/*
* PowerPC emulation for qemu: main translation routines.
*
* Copyright (c) 2003-2007 Jocelyn Mayer
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <inttypes.h>
#include "cpu.h"
#include "exec-all.h"
#include "disas.h"
#include "tcg-op.h"
#include "qemu-common.h"
#include "helper.h"
#define GEN_HELPER 1
#include "helper.h"
#define CPU_SINGLE_STEP 0x1
#define CPU_BRANCH_STEP 0x2
#define GDBSTUB_SINGLE_STEP 0x4
/* Include definitions for instructions classes and implementations flags */
//#define DO_SINGLE_STEP
//#define PPC_DEBUG_DISAS
//#define DO_PPC_STATISTICS
/*****************************************************************************/
/* Code translation helpers */
/* global register indexes */
static TCGv_ptr cpu_env;
static char cpu_reg_names[10*3 + 22*4 /* GPR */
#if !defined(TARGET_PPC64)
+ 10*4 + 22*5 /* SPE GPRh */
#endif
+ 10*4 + 22*5 /* FPR */
+ 2*(10*6 + 22*7) /* AVRh, AVRl */
+ 8*5 /* CRF */];
static TCGv cpu_gpr[32];
#if !defined(TARGET_PPC64)
static TCGv cpu_gprh[32];
#endif
static TCGv_i64 cpu_fpr[32];
static TCGv_i64 cpu_avrh[32], cpu_avrl[32];
static TCGv_i32 cpu_crf[8];
static TCGv cpu_nip;
static TCGv cpu_msr;
static TCGv cpu_ctr;
static TCGv cpu_lr;
static TCGv cpu_xer;
static TCGv cpu_reserve;
static TCGv_i32 cpu_fpscr;
static TCGv_i32 cpu_access_type;
#include "gen-icount.h"
void ppc_translate_init(void)
{
int i;
char* p;
static int done_init = 0;
if (done_init)
return;
cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
p = cpu_reg_names;
for (i = 0; i < 8; i++) {
sprintf(p, "crf%d", i);
cpu_crf[i] = tcg_global_mem_new_i32(TCG_AREG0,
offsetof(CPUState, crf[i]), p);
p += 5;
}
for (i = 0; i < 32; i++) {
sprintf(p, "r%d", i);
cpu_gpr[i] = tcg_global_mem_new(TCG_AREG0,
offsetof(CPUState, gpr[i]), p);
p += (i < 10) ? 3 : 4;
#if !defined(TARGET_PPC64)
sprintf(p, "r%dH", i);
cpu_gprh[i] = tcg_global_mem_new_i32(TCG_AREG0,
offsetof(CPUState, gprh[i]), p);
p += (i < 10) ? 4 : 5;
#endif
sprintf(p, "fp%d", i);
cpu_fpr[i] = tcg_global_mem_new_i64(TCG_AREG0,
offsetof(CPUState, fpr[i]), p);
p += (i < 10) ? 4 : 5;
sprintf(p, "avr%dH", i);
#ifdef WORDS_BIGENDIAN
cpu_avrh[i] = tcg_global_mem_new_i64(TCG_AREG0,
offsetof(CPUState, avr[i].u64[0]), p);
#else
cpu_avrh[i] = tcg_global_mem_new_i64(TCG_AREG0,
offsetof(CPUState, avr[i].u64[1]), p);
#endif
p += (i < 10) ? 6 : 7;
sprintf(p, "avr%dL", i);
#ifdef WORDS_BIGENDIAN
cpu_avrl[i] = tcg_global_mem_new_i64(TCG_AREG0,
offsetof(CPUState, avr[i].u64[1]), p);
#else
cpu_avrl[i] = tcg_global_mem_new_i64(TCG_AREG0,
offsetof(CPUState, avr[i].u64[0]), p);
#endif
p += (i < 10) ? 6 : 7;
}
cpu_nip = tcg_global_mem_new(TCG_AREG0,
offsetof(CPUState, nip), "nip");
cpu_msr = tcg_global_mem_new(TCG_AREG0,
offsetof(CPUState, msr), "msr");
cpu_ctr = tcg_global_mem_new(TCG_AREG0,
offsetof(CPUState, ctr), "ctr");
cpu_lr = tcg_global_mem_new(TCG_AREG0,
offsetof(CPUState, lr), "lr");
cpu_xer = tcg_global_mem_new(TCG_AREG0,
offsetof(CPUState, xer), "xer");
cpu_reserve = tcg_global_mem_new(TCG_AREG0,
offsetof(CPUState, reserve), "reserve");
cpu_fpscr = tcg_global_mem_new_i32(TCG_AREG0,
offsetof(CPUState, fpscr), "fpscr");
cpu_access_type = tcg_global_mem_new_i32(TCG_AREG0,
offsetof(CPUState, access_type), "access_type");
/* register helpers */
#define GEN_HELPER 2
#include "helper.h"
done_init = 1;
}
/* internal defines */
typedef struct DisasContext {
struct TranslationBlock *tb;
target_ulong nip;
uint32_t opcode;
uint32_t exception;
/* Routine used to access memory */
int mem_idx;
int access_type;
/* Translation flags */
int le_mode;
#if defined(TARGET_PPC64)
int sf_mode;
#endif
int fpu_enabled;
int altivec_enabled;
int spe_enabled;
ppc_spr_t *spr_cb; /* Needed to check rights for mfspr/mtspr */
int singlestep_enabled;
} DisasContext;
struct opc_handler_t {
/* invalid bits */
uint32_t inval;
/* instruction type */
uint64_t type;
/* handler */
void (*handler)(DisasContext *ctx);
#if defined(DO_PPC_STATISTICS) || defined(PPC_DUMP_CPU)
const char *oname;
#endif
#if defined(DO_PPC_STATISTICS)
uint64_t count;
#endif
};
static always_inline void gen_reset_fpstatus (void)
{
#ifdef CONFIG_SOFTFLOAT
gen_helper_reset_fpstatus();
#endif
}
static always_inline void gen_compute_fprf (TCGv_i64 arg, int set_fprf, int set_rc)
{
TCGv_i32 t0 = tcg_temp_new_i32();
if (set_fprf != 0) {
/* This case might be optimized later */
tcg_gen_movi_i32(t0, 1);
gen_helper_compute_fprf(t0, arg, t0);
if (unlikely(set_rc)) {
tcg_gen_mov_i32(cpu_crf[1], t0);
}
gen_helper_float_check_status();
} else if (unlikely(set_rc)) {
/* We always need to compute fpcc */
tcg_gen_movi_i32(t0, 0);
gen_helper_compute_fprf(t0, arg, t0);
tcg_gen_mov_i32(cpu_crf[1], t0);
}
tcg_temp_free_i32(t0);
}
static always_inline void gen_set_access_type (DisasContext *ctx, int access_type)
{
if (ctx->access_type != access_type) {
tcg_gen_movi_i32(cpu_access_type, access_type);
ctx->access_type = access_type;
}
}
static always_inline void gen_update_nip (DisasContext *ctx, target_ulong nip)
{
#if defined(TARGET_PPC64)
if (ctx->sf_mode)
tcg_gen_movi_tl(cpu_nip, nip);
else
#endif
tcg_gen_movi_tl(cpu_nip, (uint32_t)nip);
}
static always_inline void gen_exception_err (DisasContext *ctx, uint32_t excp, uint32_t error)
{
TCGv_i32 t0, t1;
if (ctx->exception == POWERPC_EXCP_NONE) {
gen_update_nip(ctx, ctx->nip);
}
t0 = tcg_const_i32(excp);
t1 = tcg_const_i32(error);
gen_helper_raise_exception_err(t0, t1);
tcg_temp_free_i32(t0);
tcg_temp_free_i32(t1);
ctx->exception = (excp);
}
static always_inline void gen_exception (DisasContext *ctx, uint32_t excp)
{
TCGv_i32 t0;
if (ctx->exception == POWERPC_EXCP_NONE) {
gen_update_nip(ctx, ctx->nip);
}
t0 = tcg_const_i32(excp);
gen_helper_raise_exception(t0);
tcg_temp_free_i32(t0);
ctx->exception = (excp);
}
static always_inline void gen_debug_exception (DisasContext *ctx)
{
TCGv_i32 t0;
gen_update_nip(ctx, ctx->nip);
t0 = tcg_const_i32(EXCP_DEBUG);
gen_helper_raise_exception(t0);
tcg_temp_free_i32(t0);
}
static always_inline void gen_inval_exception (DisasContext *ctx, uint32_t error)
{
gen_exception_err(ctx, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_INVAL | error);
}
/* Stop translation */
static always_inline void gen_stop_exception (DisasContext *ctx)
{
gen_update_nip(ctx, ctx->nip);
ctx->exception = POWERPC_EXCP_STOP;
}
/* No need to update nip here, as execution flow will change */
static always_inline void gen_sync_exception (DisasContext *ctx)
{
ctx->exception = POWERPC_EXCP_SYNC;
}
#define GEN_HANDLER(name, opc1, opc2, opc3, inval, type) \
static void gen_##name (DisasContext *ctx); \
GEN_OPCODE(name, opc1, opc2, opc3, inval, type); \
static void gen_##name (DisasContext *ctx)
#define GEN_HANDLER2(name, onam, opc1, opc2, opc3, inval, type) \
static void gen_##name (DisasContext *ctx); \
GEN_OPCODE2(name, onam, opc1, opc2, opc3, inval, type); \
static void gen_##name (DisasContext *ctx)
typedef struct opcode_t {
unsigned char opc1, opc2, opc3;
#if HOST_LONG_BITS == 64 /* Explicitly align to 64 bits */
unsigned char pad[5];
#else
unsigned char pad[1];
#endif
opc_handler_t handler;
const char *oname;
} opcode_t;
/*****************************************************************************/
/*** Instruction decoding ***/
#define EXTRACT_HELPER(name, shift, nb) \
static always_inline uint32_t name (uint32_t opcode) \
{ \
return (opcode >> (shift)) & ((1 << (nb)) - 1); \
}
#define EXTRACT_SHELPER(name, shift, nb) \
static always_inline int32_t name (uint32_t opcode) \
{ \
return (int16_t)((opcode >> (shift)) & ((1 << (nb)) - 1)); \
}
/* Opcode part 1 */
EXTRACT_HELPER(opc1, 26, 6);
/* Opcode part 2 */
EXTRACT_HELPER(opc2, 1, 5);
/* Opcode part 3 */
EXTRACT_HELPER(opc3, 6, 5);
/* Update Cr0 flags */
EXTRACT_HELPER(Rc, 0, 1);
/* Destination */
EXTRACT_HELPER(rD, 21, 5);
/* Source */
EXTRACT_HELPER(rS, 21, 5);
/* First operand */
EXTRACT_HELPER(rA, 16, 5);
/* Second operand */
EXTRACT_HELPER(rB, 11, 5);
/* Third operand */
EXTRACT_HELPER(rC, 6, 5);
/*** Get CRn ***/
EXTRACT_HELPER(crfD, 23, 3);
EXTRACT_HELPER(crfS, 18, 3);
EXTRACT_HELPER(crbD, 21, 5);
EXTRACT_HELPER(crbA, 16, 5);
EXTRACT_HELPER(crbB, 11, 5);
/* SPR / TBL */
EXTRACT_HELPER(_SPR, 11, 10);
static always_inline uint32_t SPR (uint32_t opcode)
{
uint32_t sprn = _SPR(opcode);
return ((sprn >> 5) & 0x1F) | ((sprn & 0x1F) << 5);
}
/*** Get constants ***/
EXTRACT_HELPER(IMM, 12, 8);
/* 16 bits signed immediate value */
EXTRACT_SHELPER(SIMM, 0, 16);
/* 16 bits unsigned immediate value */
EXTRACT_HELPER(UIMM, 0, 16);
/* 5 bits signed immediate value */
EXTRACT_HELPER(SIMM5, 16, 5);
/* 5 bits unsigned immediate value */
EXTRACT_HELPER(UIMM5, 16, 5);
/* Bit count */
EXTRACT_HELPER(NB, 11, 5);
/* Shift count */
EXTRACT_HELPER(SH, 11, 5);
/* Vector shift count */
EXTRACT_HELPER(VSH, 6, 4);
/* Mask start */
EXTRACT_HELPER(MB, 6, 5);
/* Mask end */
EXTRACT_HELPER(ME, 1, 5);
/* Trap operand */
EXTRACT_HELPER(TO, 21, 5);
EXTRACT_HELPER(CRM, 12, 8);
EXTRACT_HELPER(FM, 17, 8);
EXTRACT_HELPER(SR, 16, 4);
EXTRACT_HELPER(FPIMM, 12, 4);
/*** Jump target decoding ***/
/* Displacement */
EXTRACT_SHELPER(d, 0, 16);
/* Immediate address */
static always_inline target_ulong LI (uint32_t opcode)
{
return (opcode >> 0) & 0x03FFFFFC;
}
static always_inline uint32_t BD (uint32_t opcode)
{
return (opcode >> 0) & 0xFFFC;
}
EXTRACT_HELPER(BO, 21, 5);
EXTRACT_HELPER(BI, 16, 5);
/* Absolute/relative address */
EXTRACT_HELPER(AA, 1, 1);
/* Link */
EXTRACT_HELPER(LK, 0, 1);
/* Create a mask between <start> and <end> bits */
static always_inline target_ulong MASK (uint32_t start, uint32_t end)
{
target_ulong ret;
#if defined(TARGET_PPC64)
if (likely(start == 0)) {
ret = UINT64_MAX << (63 - end);
} else if (likely(end == 63)) {
ret = UINT64_MAX >> start;
}
#else
if (likely(start == 0)) {
ret = UINT32_MAX << (31 - end);
} else if (likely(end == 31)) {
ret = UINT32_MAX >> start;
}
#endif
else {
ret = (((target_ulong)(-1ULL)) >> (start)) ^
(((target_ulong)(-1ULL) >> (end)) >> 1);
if (unlikely(start > end))
return ~ret;
}
return ret;
}
/*****************************************************************************/
/* PowerPC Instructions types definitions */
enum {
PPC_NONE = 0x0000000000000000ULL,
/* PowerPC base instructions set */
PPC_INSNS_BASE = 0x0000000000000001ULL,
/* integer operations instructions */
#define PPC_INTEGER PPC_INSNS_BASE
/* flow control instructions */
#define PPC_FLOW PPC_INSNS_BASE
/* virtual memory instructions */
#define PPC_MEM PPC_INSNS_BASE
/* ld/st with reservation instructions */
#define PPC_RES PPC_INSNS_BASE
/* spr/msr access instructions */
#define PPC_MISC PPC_INSNS_BASE
/* Deprecated instruction sets */
/* Original POWER instruction set */
PPC_POWER = 0x0000000000000002ULL,
/* POWER2 instruction set extension */
PPC_POWER2 = 0x0000000000000004ULL,
/* Power RTC support */
PPC_POWER_RTC = 0x0000000000000008ULL,
/* Power-to-PowerPC bridge (601) */
PPC_POWER_BR = 0x0000000000000010ULL,
/* 64 bits PowerPC instruction set */
PPC_64B = 0x0000000000000020ULL,
/* New 64 bits extensions (PowerPC 2.0x) */
PPC_64BX = 0x0000000000000040ULL,
/* 64 bits hypervisor extensions */
PPC_64H = 0x0000000000000080ULL,
/* New wait instruction (PowerPC 2.0x) */
PPC_WAIT = 0x0000000000000100ULL,
/* Time base mftb instruction */
PPC_MFTB = 0x0000000000000200ULL,
/* Fixed-point unit extensions */
/* PowerPC 602 specific */
PPC_602_SPEC = 0x0000000000000400ULL,
/* isel instruction */
PPC_ISEL = 0x0000000000000800ULL,
/* popcntb instruction */
PPC_POPCNTB = 0x0000000000001000ULL,
/* string load / store */
PPC_STRING = 0x0000000000002000ULL,
/* Floating-point unit extensions */
/* Optional floating point instructions */
PPC_FLOAT = 0x0000000000010000ULL,
/* New floating-point extensions (PowerPC 2.0x) */
PPC_FLOAT_EXT = 0x0000000000020000ULL,
PPC_FLOAT_FSQRT = 0x0000000000040000ULL,
PPC_FLOAT_FRES = 0x0000000000080000ULL,
PPC_FLOAT_FRSQRTE = 0x0000000000100000ULL,
PPC_FLOAT_FRSQRTES = 0x0000000000200000ULL,
PPC_FLOAT_FSEL = 0x0000000000400000ULL,
PPC_FLOAT_STFIWX = 0x0000000000800000ULL,
/* Vector/SIMD extensions */
/* Altivec support */
PPC_ALTIVEC = 0x0000000001000000ULL,
/* PowerPC 2.03 SPE extension */
PPC_SPE = 0x0000000002000000ULL,
/* PowerPC 2.03 SPE floating-point extension */
PPC_SPEFPU = 0x0000000004000000ULL,
/* Optional memory control instructions */
PPC_MEM_TLBIA = 0x0000000010000000ULL,
PPC_MEM_TLBIE = 0x0000000020000000ULL,
PPC_MEM_TLBSYNC = 0x0000000040000000ULL,
/* sync instruction */
PPC_MEM_SYNC = 0x0000000080000000ULL,
/* eieio instruction */
PPC_MEM_EIEIO = 0x0000000100000000ULL,
/* Cache control instructions */
PPC_CACHE = 0x0000000200000000ULL,
/* icbi instruction */
PPC_CACHE_ICBI = 0x0000000400000000ULL,
/* dcbz instruction with fixed cache line size */
PPC_CACHE_DCBZ = 0x0000000800000000ULL,
/* dcbz instruction with tunable cache line size */
PPC_CACHE_DCBZT = 0x0000001000000000ULL,
/* dcba instruction */
PPC_CACHE_DCBA = 0x0000002000000000ULL,
/* Freescale cache locking instructions */
PPC_CACHE_LOCK = 0x0000004000000000ULL,
/* MMU related extensions */
/* external control instructions */
PPC_EXTERN = 0x0000010000000000ULL,
/* segment register access instructions */
PPC_SEGMENT = 0x0000020000000000ULL,
/* PowerPC 6xx TLB management instructions */
PPC_6xx_TLB = 0x0000040000000000ULL,
/* PowerPC 74xx TLB management instructions */
PPC_74xx_TLB = 0x0000080000000000ULL,
/* PowerPC 40x TLB management instructions */
PPC_40x_TLB = 0x0000100000000000ULL,
/* segment register access instructions for PowerPC 64 "bridge" */
PPC_SEGMENT_64B = 0x0000200000000000ULL,
/* SLB management */
PPC_SLBI = 0x0000400000000000ULL,
/* Embedded PowerPC dedicated instructions */
PPC_WRTEE = 0x0001000000000000ULL,
/* PowerPC 40x exception model */
PPC_40x_EXCP = 0x0002000000000000ULL,
/* PowerPC 405 Mac instructions */
PPC_405_MAC = 0x0004000000000000ULL,
/* PowerPC 440 specific instructions */
PPC_440_SPEC = 0x0008000000000000ULL,
/* BookE (embedded) PowerPC specification */
PPC_BOOKE = 0x0010000000000000ULL,
/* mfapidi instruction */
PPC_MFAPIDI = 0x0020000000000000ULL,
/* tlbiva instruction */
PPC_TLBIVA = 0x0040000000000000ULL,
/* tlbivax instruction */
PPC_TLBIVAX = 0x0080000000000000ULL,
/* PowerPC 4xx dedicated instructions */
PPC_4xx_COMMON = 0x0100000000000000ULL,
/* PowerPC 40x ibct instructions */
PPC_40x_ICBT = 0x0200000000000000ULL,
/* rfmci is not implemented in all BookE PowerPC */
PPC_RFMCI = 0x0400000000000000ULL,
/* rfdi instruction */
PPC_RFDI = 0x0800000000000000ULL,
/* DCR accesses */
PPC_DCR = 0x1000000000000000ULL,
/* DCR extended accesse */
PPC_DCRX = 0x2000000000000000ULL,
/* user-mode DCR access, implemented in PowerPC 460 */
PPC_DCRUX = 0x4000000000000000ULL,
};
/*****************************************************************************/
/* PowerPC instructions table */
#if HOST_LONG_BITS == 64
#define OPC_ALIGN 8
#else
#define OPC_ALIGN 4
#endif
#if defined(__APPLE__)
#define OPCODES_SECTION \
__attribute__ ((section("__TEXT,__opcodes"), unused, aligned (OPC_ALIGN) ))
#else
#define OPCODES_SECTION \
__attribute__ ((section(".opcodes"), unused, aligned (OPC_ALIGN) ))
#endif
#if defined(DO_PPC_STATISTICS)
#define GEN_OPCODE(name, op1, op2, op3, invl, _typ) \
OPCODES_SECTION opcode_t opc_##name = { \
.opc1 = op1, \
.opc2 = op2, \
.opc3 = op3, \
.pad = { 0, }, \
.handler = { \
.inval = invl, \
.type = _typ, \
.handler = &gen_##name, \
.oname = stringify(name), \
}, \
.oname = stringify(name), \
}
#define GEN_OPCODE2(name, onam, op1, op2, op3, invl, _typ) \
OPCODES_SECTION opcode_t opc_##name = { \
.opc1 = op1, \
.opc2 = op2, \
.opc3 = op3, \
.pad = { 0, }, \
.handler = { \
.inval = invl, \
.type = _typ, \
.handler = &gen_##name, \
.oname = onam, \
}, \
.oname = onam, \
}
#else
#define GEN_OPCODE(name, op1, op2, op3, invl, _typ) \
OPCODES_SECTION opcode_t opc_##name = { \
.opc1 = op1, \
.opc2 = op2, \
.opc3 = op3, \
.pad = { 0, }, \
.handler = { \
.inval = invl, \
.type = _typ, \
.handler = &gen_##name, \
}, \
.oname = stringify(name), \
}
#define GEN_OPCODE2(name, onam, op1, op2, op3, invl, _typ) \
OPCODES_SECTION opcode_t opc_##name = { \
.opc1 = op1, \
.opc2 = op2, \
.opc3 = op3, \
.pad = { 0, }, \
.handler = { \
.inval = invl, \
.type = _typ, \
.handler = &gen_##name, \
}, \
.oname = onam, \
}
#endif
#define GEN_OPCODE_MARK(name) \
OPCODES_SECTION opcode_t opc_##name = { \
.opc1 = 0xFF, \
.opc2 = 0xFF, \
.opc3 = 0xFF, \
.pad = { 0, }, \
.handler = { \
.inval = 0x00000000, \
.type = 0x00, \
.handler = NULL, \
}, \
.oname = stringify(name), \
}
/* SPR load/store helpers */
static always_inline void gen_load_spr(TCGv t, int reg)
{
tcg_gen_ld_tl(t, cpu_env, offsetof(CPUState, spr[reg]));
}
static always_inline void gen_store_spr(int reg, TCGv t)
{
tcg_gen_st_tl(t, cpu_env, offsetof(CPUState, spr[reg]));
}
/* Start opcode list */
GEN_OPCODE_MARK(start);
/* Invalid instruction */
GEN_HANDLER(invalid, 0x00, 0x00, 0x00, 0xFFFFFFFF, PPC_NONE)
{
gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
}
static opc_handler_t invalid_handler = {
.inval = 0xFFFFFFFF,
.type = PPC_NONE,
.handler = gen_invalid,
};
/*** Integer comparison ***/
static always_inline void gen_op_cmp(TCGv arg0, TCGv arg1, int s, int crf)
{
int l1, l2, l3;
tcg_gen_trunc_tl_i32(cpu_crf[crf], cpu_xer);
tcg_gen_shri_i32(cpu_crf[crf], cpu_crf[crf], XER_SO);
tcg_gen_andi_i32(cpu_crf[crf], cpu_crf[crf], 1);
l1 = gen_new_label();
l2 = gen_new_label();
l3 = gen_new_label();
if (s) {
tcg_gen_brcond_tl(TCG_COND_LT, arg0, arg1, l1);
tcg_gen_brcond_tl(TCG_COND_GT, arg0, arg1, l2);
} else {
tcg_gen_brcond_tl(TCG_COND_LTU, arg0, arg1, l1);
tcg_gen_brcond_tl(TCG_COND_GTU, arg0, arg1, l2);
}
tcg_gen_ori_i32(cpu_crf[crf], cpu_crf[crf], 1 << CRF_EQ);
tcg_gen_br(l3);
gen_set_label(l1);
tcg_gen_ori_i32(cpu_crf[crf], cpu_crf[crf], 1 << CRF_LT);
tcg_gen_br(l3);
gen_set_label(l2);
tcg_gen_ori_i32(cpu_crf[crf], cpu_crf[crf], 1 << CRF_GT);
gen_set_label(l3);
}
static always_inline void gen_op_cmpi(TCGv arg0, target_ulong arg1, int s, int crf)
{
TCGv t0 = tcg_const_local_tl(arg1);
gen_op_cmp(arg0, t0, s, crf);
tcg_temp_free(t0);
}
#if defined(TARGET_PPC64)
static always_inline void gen_op_cmp32(TCGv arg0, TCGv arg1, int s, int crf)
{
TCGv t0, t1;
t0 = tcg_temp_local_new();
t1 = tcg_temp_local_new();
if (s) {
tcg_gen_ext32s_tl(t0, arg0);
tcg_gen_ext32s_tl(t1, arg1);
} else {
tcg_gen_ext32u_tl(t0, arg0);
tcg_gen_ext32u_tl(t1, arg1);
}
gen_op_cmp(t0, t1, s, crf);
tcg_temp_free(t1);
tcg_temp_free(t0);
}
static always_inline void gen_op_cmpi32(TCGv arg0, target_ulong arg1, int s, int crf)
{
TCGv t0 = tcg_const_local_tl(arg1);
gen_op_cmp32(arg0, t0, s, crf);
tcg_temp_free(t0);
}
#endif
static always_inline void gen_set_Rc0 (DisasContext *ctx, TCGv reg)
{
#if defined(TARGET_PPC64)
if (!(ctx->sf_mode))
gen_op_cmpi32(reg, 0, 1, 0);
else
#endif
gen_op_cmpi(reg, 0, 1, 0);
}
/* cmp */
GEN_HANDLER(cmp, 0x1F, 0x00, 0x00, 0x00400000, PPC_INTEGER)
{
#if defined(TARGET_PPC64)
if (!(ctx->sf_mode && (ctx->opcode & 0x00200000)))
gen_op_cmp32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
1, crfD(ctx->opcode));
else
#endif
gen_op_cmp(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
1, crfD(ctx->opcode));
}
/* cmpi */
GEN_HANDLER(cmpi, 0x0B, 0xFF, 0xFF, 0x00400000, PPC_INTEGER)
{
#if defined(TARGET_PPC64)
if (!(ctx->sf_mode && (ctx->opcode & 0x00200000)))
gen_op_cmpi32(cpu_gpr[rA(ctx->opcode)], SIMM(ctx->opcode),
1, crfD(ctx->opcode));
else
#endif
gen_op_cmpi(cpu_gpr[rA(ctx->opcode)], SIMM(ctx->opcode),
1, crfD(ctx->opcode));
}
/* cmpl */
GEN_HANDLER(cmpl, 0x1F, 0x00, 0x01, 0x00400000, PPC_INTEGER)
{
#if defined(TARGET_PPC64)
if (!(ctx->sf_mode && (ctx->opcode & 0x00200000)))
gen_op_cmp32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
0, crfD(ctx->opcode));
else
#endif
gen_op_cmp(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)],
0, crfD(ctx->opcode));
}
/* cmpli */
GEN_HANDLER(cmpli, 0x0A, 0xFF, 0xFF, 0x00400000, PPC_INTEGER)
{
#if defined(TARGET_PPC64)
if (!(ctx->sf_mode && (ctx->opcode & 0x00200000)))
gen_op_cmpi32(cpu_gpr[rA(ctx->opcode)], UIMM(ctx->opcode),
0, crfD(ctx->opcode));
else
#endif
gen_op_cmpi(cpu_gpr[rA(ctx->opcode)], UIMM(ctx->opcode),
0, crfD(ctx->opcode));
}
/* isel (PowerPC 2.03 specification) */
GEN_HANDLER(isel, 0x1F, 0x0F, 0xFF, 0x00000001, PPC_ISEL)
{
int l1, l2;
uint32_t bi = rC(ctx->opcode);
uint32_t mask;
TCGv_i32 t0;
l1 = gen_new_label();
l2 = gen_new_label();
mask = 1 << (3 - (bi & 0x03));
t0 = tcg_temp_new_i32();
tcg_gen_andi_i32(t0, cpu_crf[bi >> 2], mask);
tcg_gen_brcondi_i32(TCG_COND_EQ, t0, 0, l1);
if (rA(ctx->opcode) == 0)
tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
else
tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
tcg_gen_br(l2);
gen_set_label(l1);
tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
gen_set_label(l2);
tcg_temp_free_i32(t0);
}
/*** Integer arithmetic ***/
static always_inline void gen_op_arith_compute_ov(DisasContext *ctx, TCGv arg0, TCGv arg1, TCGv arg2, int sub)
{
int l1;
TCGv t0;
l1 = gen_new_label();
/* Start with XER OV disabled, the most likely case */
tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_OV));
t0 = tcg_temp_local_new();
tcg_gen_xor_tl(t0, arg0, arg1);
#if defined(TARGET_PPC64)
if (!ctx->sf_mode)
tcg_gen_ext32s_tl(t0, t0);
#endif
if (sub)
tcg_gen_brcondi_tl(TCG_COND_LT, t0, 0, l1);
else
tcg_gen_brcondi_tl(TCG_COND_GE, t0, 0, l1);
tcg_gen_xor_tl(t0, arg1, arg2);
#if defined(TARGET_PPC64)
if (!ctx->sf_mode)
tcg_gen_ext32s_tl(t0, t0);
#endif
if (sub)
tcg_gen_brcondi_tl(TCG_COND_GE, t0, 0, l1);
else
tcg_gen_brcondi_tl(TCG_COND_LT, t0, 0, l1);
tcg_gen_ori_tl(cpu_xer, cpu_xer, (1 << XER_OV) | (1 << XER_SO));
gen_set_label(l1);
tcg_temp_free(t0);
}
static always_inline void gen_op_arith_compute_ca(DisasContext *ctx, TCGv arg1, TCGv arg2, int sub)
{
int l1 = gen_new_label();
#if defined(TARGET_PPC64)
if (!(ctx->sf_mode)) {
TCGv t0, t1;
t0 = tcg_temp_new();
t1 = tcg_temp_new();
tcg_gen_ext32u_tl(t0, arg1);
tcg_gen_ext32u_tl(t1, arg2);
if (sub) {
tcg_gen_brcond_tl(TCG_COND_GTU, t0, t1, l1);
} else {
tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1);
}
tcg_gen_ori_tl(cpu_xer, cpu_xer, 1 << XER_CA);
gen_set_label(l1);
tcg_temp_free(t0);
tcg_temp_free(t1);
} else
#endif
{
if (sub) {
tcg_gen_brcond_tl(TCG_COND_GTU, arg1, arg2, l1);
} else {
tcg_gen_brcond_tl(TCG_COND_GEU, arg1, arg2, l1);
}
tcg_gen_ori_tl(cpu_xer, cpu_xer, 1 << XER_CA);
gen_set_label(l1);
}
}
/* Common add function */
static always_inline void gen_op_arith_add(DisasContext *ctx, TCGv ret, TCGv arg1, TCGv arg2,
int add_ca, int compute_ca, int compute_ov)
{
TCGv t0, t1;
if ((!compute_ca && !compute_ov) ||
(!TCGV_EQUAL(ret,arg1) && !TCGV_EQUAL(ret, arg2))) {
t0 = ret;
} else {
t0 = tcg_temp_local_new();
}
if (add_ca) {
t1 = tcg_temp_local_new();
tcg_gen_andi_tl(t1, cpu_xer, (1 << XER_CA));
tcg_gen_shri_tl(t1, t1, XER_CA);
}
if (compute_ca && compute_ov) {
/* Start with XER CA and OV disabled, the most likely case */
tcg_gen_andi_tl(cpu_xer, cpu_xer, ~((1 << XER_CA) | (1 << XER_OV)));
} else if (compute_ca) {
/* Start with XER CA disabled, the most likely case */
tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_CA));
} else if (compute_ov) {
/* Start with XER OV disabled, the most likely case */
tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_OV));
}
tcg_gen_add_tl(t0, arg1, arg2);
if (compute_ca) {
gen_op_arith_compute_ca(ctx, t0, arg1, 0);
}
if (add_ca) {
tcg_gen_add_tl(t0, t0, t1);
gen_op_arith_compute_ca(ctx, t0, t1, 0);
tcg_temp_free(t1);
}
if (compute_ov) {
gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 0);
}
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, t0);
if (!TCGV_EQUAL(t0, ret)) {
tcg_gen_mov_tl(ret, t0);
tcg_temp_free(t0);
}
}
/* Add functions with two operands */
#define GEN_INT_ARITH_ADD(name, opc3, add_ca, compute_ca, compute_ov) \
GEN_HANDLER(name, 0x1F, 0x0A, opc3, 0x00000000, PPC_INTEGER) \
{ \
gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], \
cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
add_ca, compute_ca, compute_ov); \
}
/* Add functions with one operand and one immediate */
#define GEN_INT_ARITH_ADD_CONST(name, opc3, const_val, \
add_ca, compute_ca, compute_ov) \
GEN_HANDLER(name, 0x1F, 0x0A, opc3, 0x0000F800, PPC_INTEGER) \
{ \
TCGv t0 = tcg_const_local_tl(const_val); \
gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], \
cpu_gpr[rA(ctx->opcode)], t0, \
add_ca, compute_ca, compute_ov); \
tcg_temp_free(t0); \
}
/* add add. addo addo. */
GEN_INT_ARITH_ADD(add, 0x08, 0, 0, 0)
GEN_INT_ARITH_ADD(addo, 0x18, 0, 0, 1)
/* addc addc. addco addco. */
GEN_INT_ARITH_ADD(addc, 0x00, 0, 1, 0)
GEN_INT_ARITH_ADD(addco, 0x10, 0, 1, 1)
/* adde adde. addeo addeo. */
GEN_INT_ARITH_ADD(adde, 0x04, 1, 1, 0)
GEN_INT_ARITH_ADD(addeo, 0x14, 1, 1, 1)
/* addme addme. addmeo addmeo. */
GEN_INT_ARITH_ADD_CONST(addme, 0x07, -1LL, 1, 1, 0)
GEN_INT_ARITH_ADD_CONST(addmeo, 0x17, -1LL, 1, 1, 1)
/* addze addze. addzeo addzeo.*/
GEN_INT_ARITH_ADD_CONST(addze, 0x06, 0, 1, 1, 0)
GEN_INT_ARITH_ADD_CONST(addzeo, 0x16, 0, 1, 1, 1)
/* addi */
GEN_HANDLER(addi, 0x0E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
{
target_long simm = SIMM(ctx->opcode);
if (rA(ctx->opcode) == 0) {
/* li case */
tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], simm);
} else {
tcg_gen_addi_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], simm);
}
}
/* addic addic.*/
static always_inline void gen_op_addic (DisasContext *ctx, TCGv ret, TCGv arg1,
int compute_Rc0)
{
target_long simm = SIMM(ctx->opcode);
/* Start with XER CA and OV disabled, the most likely case */
tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_CA));
if (likely(simm != 0)) {
TCGv t0 = tcg_temp_local_new();
tcg_gen_addi_tl(t0, arg1, simm);
gen_op_arith_compute_ca(ctx, t0, arg1, 0);
tcg_gen_mov_tl(ret, t0);
tcg_temp_free(t0);
} else {
tcg_gen_mov_tl(ret, arg1);
}
if (compute_Rc0) {
gen_set_Rc0(ctx, ret);
}
}
GEN_HANDLER(addic, 0x0C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
{
gen_op_addic(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 0);
}
GEN_HANDLER2(addic_, "addic.", 0x0D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
{
gen_op_addic(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 1);
}
/* addis */
GEN_HANDLER(addis, 0x0F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
{
target_long simm = SIMM(ctx->opcode);
if (rA(ctx->opcode) == 0) {
/* lis case */
tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], simm << 16);
} else {
tcg_gen_addi_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], simm << 16);
}
}
static always_inline void gen_op_arith_divw (DisasContext *ctx, TCGv ret, TCGv arg1, TCGv arg2,
int sign, int compute_ov)
{
int l1 = gen_new_label();
int l2 = gen_new_label();
TCGv_i32 t0 = tcg_temp_local_new_i32();
TCGv_i32 t1 = tcg_temp_local_new_i32();
tcg_gen_trunc_tl_i32(t0, arg1);
tcg_gen_trunc_tl_i32(t1, arg2);
tcg_gen_brcondi_i32(TCG_COND_EQ, t1, 0, l1);
if (sign) {
int l3 = gen_new_label();
tcg_gen_brcondi_i32(TCG_COND_NE, t1, -1, l3);
tcg_gen_brcondi_i32(TCG_COND_EQ, t0, INT32_MIN, l1);
gen_set_label(l3);
tcg_gen_div_i32(t0, t0, t1);
} else {
tcg_gen_divu_i32(t0, t0, t1);
}
if (compute_ov) {
tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_OV));
}
tcg_gen_br(l2);
gen_set_label(l1);
if (sign) {
tcg_gen_sari_i32(t0, t0, 31);
} else {
tcg_gen_movi_i32(t0, 0);
}
if (compute_ov) {
tcg_gen_ori_tl(cpu_xer, cpu_xer, (1 << XER_OV) | (1 << XER_SO));
}
gen_set_label(l2);
tcg_gen_extu_i32_tl(ret, t0);
tcg_temp_free_i32(t0);
tcg_temp_free_i32(t1);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, ret);
}
/* Div functions */
#define GEN_INT_ARITH_DIVW(name, opc3, sign, compute_ov) \
GEN_HANDLER(name, 0x1F, 0x0B, opc3, 0x00000000, PPC_INTEGER) \
{ \
gen_op_arith_divw(ctx, cpu_gpr[rD(ctx->opcode)], \
cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
sign, compute_ov); \
}
/* divwu divwu. divwuo divwuo. */
GEN_INT_ARITH_DIVW(divwu, 0x0E, 0, 0);
GEN_INT_ARITH_DIVW(divwuo, 0x1E, 0, 1);
/* divw divw. divwo divwo. */
GEN_INT_ARITH_DIVW(divw, 0x0F, 1, 0);
GEN_INT_ARITH_DIVW(divwo, 0x1F, 1, 1);
#if defined(TARGET_PPC64)
static always_inline void gen_op_arith_divd (DisasContext *ctx, TCGv ret, TCGv arg1, TCGv arg2,
int sign, int compute_ov)
{
int l1 = gen_new_label();
int l2 = gen_new_label();
tcg_gen_brcondi_i64(TCG_COND_EQ, arg2, 0, l1);
if (sign) {
int l3 = gen_new_label();
tcg_gen_brcondi_i64(TCG_COND_NE, arg2, -1, l3);
tcg_gen_brcondi_i64(TCG_COND_EQ, arg1, INT64_MIN, l1);
gen_set_label(l3);
tcg_gen_div_i64(ret, arg1, arg2);
} else {
tcg_gen_divu_i64(ret, arg1, arg2);
}
if (compute_ov) {
tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_OV));
}
tcg_gen_br(l2);
gen_set_label(l1);
if (sign) {
tcg_gen_sari_i64(ret, arg1, 63);
} else {
tcg_gen_movi_i64(ret, 0);
}
if (compute_ov) {
tcg_gen_ori_tl(cpu_xer, cpu_xer, (1 << XER_OV) | (1 << XER_SO));
}
gen_set_label(l2);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, ret);
}
#define GEN_INT_ARITH_DIVD(name, opc3, sign, compute_ov) \
GEN_HANDLER(name, 0x1F, 0x09, opc3, 0x00000000, PPC_64B) \
{ \
gen_op_arith_divd(ctx, cpu_gpr[rD(ctx->opcode)], \
cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
sign, compute_ov); \
}
/* divwu divwu. divwuo divwuo. */
GEN_INT_ARITH_DIVD(divdu, 0x0E, 0, 0);
GEN_INT_ARITH_DIVD(divduo, 0x1E, 0, 1);
/* divw divw. divwo divwo. */
GEN_INT_ARITH_DIVD(divd, 0x0F, 1, 0);
GEN_INT_ARITH_DIVD(divdo, 0x1F, 1, 1);
#endif
/* mulhw mulhw. */
GEN_HANDLER(mulhw, 0x1F, 0x0B, 0x02, 0x00000400, PPC_INTEGER)
{
TCGv_i64 t0, t1;
t0 = tcg_temp_new_i64();
t1 = tcg_temp_new_i64();
#if defined(TARGET_PPC64)
tcg_gen_ext32s_tl(t0, cpu_gpr[rA(ctx->opcode)]);
tcg_gen_ext32s_tl(t1, cpu_gpr[rB(ctx->opcode)]);
tcg_gen_mul_i64(t0, t0, t1);
tcg_gen_shri_i64(cpu_gpr[rD(ctx->opcode)], t0, 32);
#else
tcg_gen_ext_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]);
tcg_gen_ext_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]);
tcg_gen_mul_i64(t0, t0, t1);
tcg_gen_shri_i64(t0, t0, 32);
tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t0);
#endif
tcg_temp_free_i64(t0);
tcg_temp_free_i64(t1);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}
/* mulhwu mulhwu. */
GEN_HANDLER(mulhwu, 0x1F, 0x0B, 0x00, 0x00000400, PPC_INTEGER)
{
TCGv_i64 t0, t1;
t0 = tcg_temp_new_i64();
t1 = tcg_temp_new_i64();
#if defined(TARGET_PPC64)
tcg_gen_ext32u_i64(t0, cpu_gpr[rA(ctx->opcode)]);
tcg_gen_ext32u_i64(t1, cpu_gpr[rB(ctx->opcode)]);
tcg_gen_mul_i64(t0, t0, t1);
tcg_gen_shri_i64(cpu_gpr[rD(ctx->opcode)], t0, 32);
#else
tcg_gen_extu_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]);
tcg_gen_extu_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]);
tcg_gen_mul_i64(t0, t0, t1);
tcg_gen_shri_i64(t0, t0, 32);
tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t0);
#endif
tcg_temp_free_i64(t0);
tcg_temp_free_i64(t1);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}
/* mullw mullw. */
GEN_HANDLER(mullw, 0x1F, 0x0B, 0x07, 0x00000000, PPC_INTEGER)
{
tcg_gen_mul_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
cpu_gpr[rB(ctx->opcode)]);
tcg_gen_ext32s_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)]);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}
/* mullwo mullwo. */
GEN_HANDLER(mullwo, 0x1F, 0x0B, 0x17, 0x00000000, PPC_INTEGER)
{
int l1;
TCGv_i64 t0, t1;
t0 = tcg_temp_new_i64();
t1 = tcg_temp_new_i64();
l1 = gen_new_label();
/* Start with XER OV disabled, the most likely case */
tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_OV));
#if defined(TARGET_PPC64)
tcg_gen_ext32s_i64(t0, cpu_gpr[rA(ctx->opcode)]);
tcg_gen_ext32s_i64(t1, cpu_gpr[rB(ctx->opcode)]);
#else
tcg_gen_ext_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]);
tcg_gen_ext_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]);
#endif
tcg_gen_mul_i64(t0, t0, t1);
#if defined(TARGET_PPC64)
tcg_gen_ext32s_i64(cpu_gpr[rD(ctx->opcode)], t0);
tcg_gen_brcond_i64(TCG_COND_EQ, t0, cpu_gpr[rD(ctx->opcode)], l1);
#else
tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t0);
tcg_gen_ext32s_i64(t1, t0);
tcg_gen_brcond_i64(TCG_COND_EQ, t0, t1, l1);
#endif
tcg_gen_ori_tl(cpu_xer, cpu_xer, (1 << XER_OV) | (1 << XER_SO));
gen_set_label(l1);
tcg_temp_free_i64(t0);
tcg_temp_free_i64(t1);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}
/* mulli */
GEN_HANDLER(mulli, 0x07, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
{
tcg_gen_muli_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
SIMM(ctx->opcode));
}
#if defined(TARGET_PPC64)
#define GEN_INT_ARITH_MUL_HELPER(name, opc3) \
GEN_HANDLER(name, 0x1F, 0x09, opc3, 0x00000000, PPC_64B) \
{ \
gen_helper_##name (cpu_gpr[rD(ctx->opcode)], \
cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); \
if (unlikely(Rc(ctx->opcode) != 0)) \
gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); \
}
/* mulhd mulhd. */
GEN_INT_ARITH_MUL_HELPER(mulhdu, 0x00);
/* mulhdu mulhdu. */
GEN_INT_ARITH_MUL_HELPER(mulhd, 0x02);
/* mulld mulld. */
GEN_HANDLER(mulld, 0x1F, 0x09, 0x07, 0x00000000, PPC_64B)
{
tcg_gen_mul_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)],
cpu_gpr[rB(ctx->opcode)]);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}
/* mulldo mulldo. */
GEN_INT_ARITH_MUL_HELPER(mulldo, 0x17);
#endif
/* neg neg. nego nego. */
static always_inline void gen_op_arith_neg (DisasContext *ctx, TCGv ret, TCGv arg1, int ov_check)
{
int l1 = gen_new_label();
int l2 = gen_new_label();
TCGv t0 = tcg_temp_local_new();
#if defined(TARGET_PPC64)
if (ctx->sf_mode) {
tcg_gen_mov_tl(t0, arg1);
tcg_gen_brcondi_tl(TCG_COND_EQ, t0, INT64_MIN, l1);
} else
#endif
{
tcg_gen_ext32s_tl(t0, arg1);
tcg_gen_brcondi_tl(TCG_COND_EQ, t0, INT32_MIN, l1);
}
tcg_gen_neg_tl(ret, arg1);
if (ov_check) {
tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_OV));
}
tcg_gen_br(l2);
gen_set_label(l1);
tcg_gen_mov_tl(ret, t0);
if (ov_check) {
tcg_gen_ori_tl(cpu_xer, cpu_xer, (1 << XER_OV) | (1 << XER_SO));
}
gen_set_label(l2);
tcg_temp_free(t0);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, ret);
}
GEN_HANDLER(neg, 0x1F, 0x08, 0x03, 0x0000F800, PPC_INTEGER)
{
gen_op_arith_neg(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 0);
}
GEN_HANDLER(nego, 0x1F, 0x08, 0x13, 0x0000F800, PPC_INTEGER)
{
gen_op_arith_neg(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 1);
}
/* Common subf function */
static always_inline void gen_op_arith_subf(DisasContext *ctx, TCGv ret, TCGv arg1, TCGv arg2,
int add_ca, int compute_ca, int compute_ov)
{
TCGv t0, t1;
if ((!compute_ca && !compute_ov) ||
(!TCGV_EQUAL(ret, arg1) && !TCGV_EQUAL(ret, arg2))) {
t0 = ret;
} else {
t0 = tcg_temp_local_new();
}
if (add_ca) {
t1 = tcg_temp_local_new();
tcg_gen_andi_tl(t1, cpu_xer, (1 << XER_CA));
tcg_gen_shri_tl(t1, t1, XER_CA);
}
if (compute_ca && compute_ov) {
/* Start with XER CA and OV disabled, the most likely case */
tcg_gen_andi_tl(cpu_xer, cpu_xer, ~((1 << XER_CA) | (1 << XER_OV)));
} else if (compute_ca) {
/* Start with XER CA disabled, the most likely case */
tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_CA));
} else if (compute_ov) {
/* Start with XER OV disabled, the most likely case */
tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_OV));
}
if (add_ca) {
tcg_gen_not_tl(t0, arg1);
tcg_gen_add_tl(t0, t0, arg2);
gen_op_arith_compute_ca(ctx, t0, arg2, 0);
tcg_gen_add_tl(t0, t0, t1);
gen_op_arith_compute_ca(ctx, t0, t1, 0);
tcg_temp_free(t1);
} else {
tcg_gen_sub_tl(t0, arg2, arg1);
if (compute_ca) {
gen_op_arith_compute_ca(ctx, t0, arg2, 1);
}
}
if (compute_ov) {
gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 1);
}
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, t0);
if (!TCGV_EQUAL(t0, ret)) {
tcg_gen_mov_tl(ret, t0);
tcg_temp_free(t0);
}
}
/* Sub functions with Two operands functions */
#define GEN_INT_ARITH_SUBF(name, opc3, add_ca, compute_ca, compute_ov) \
GEN_HANDLER(name, 0x1F, 0x08, opc3, 0x00000000, PPC_INTEGER) \
{ \
gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], \
cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
add_ca, compute_ca, compute_ov); \
}
/* Sub functions with one operand and one immediate */
#define GEN_INT_ARITH_SUBF_CONST(name, opc3, const_val, \
add_ca, compute_ca, compute_ov) \
GEN_HANDLER(name, 0x1F, 0x08, opc3, 0x0000F800, PPC_INTEGER) \
{ \
TCGv t0 = tcg_const_local_tl(const_val); \
gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], \
cpu_gpr[rA(ctx->opcode)], t0, \
add_ca, compute_ca, compute_ov); \
tcg_temp_free(t0); \
}
/* subf subf. subfo subfo. */
GEN_INT_ARITH_SUBF(subf, 0x01, 0, 0, 0)
GEN_INT_ARITH_SUBF(subfo, 0x11, 0, 0, 1)
/* subfc subfc. subfco subfco. */
GEN_INT_ARITH_SUBF(subfc, 0x00, 0, 1, 0)
GEN_INT_ARITH_SUBF(subfco, 0x10, 0, 1, 1)
/* subfe subfe. subfeo subfo. */
GEN_INT_ARITH_SUBF(subfe, 0x04, 1, 1, 0)
GEN_INT_ARITH_SUBF(subfeo, 0x14, 1, 1, 1)
/* subfme subfme. subfmeo subfmeo. */
GEN_INT_ARITH_SUBF_CONST(subfme, 0x07, -1LL, 1, 1, 0)
GEN_INT_ARITH_SUBF_CONST(subfmeo, 0x17, -1LL, 1, 1, 1)
/* subfze subfze. subfzeo subfzeo.*/
GEN_INT_ARITH_SUBF_CONST(subfze, 0x06, 0, 1, 1, 0)
GEN_INT_ARITH_SUBF_CONST(subfzeo, 0x16, 0, 1, 1, 1)
/* subfic */
GEN_HANDLER(subfic, 0x08, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
{
/* Start with XER CA and OV disabled, the most likely case */
tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_CA));
TCGv t0 = tcg_temp_local_new();
TCGv t1 = tcg_const_local_tl(SIMM(ctx->opcode));
tcg_gen_sub_tl(t0, t1, cpu_gpr[rA(ctx->opcode)]);
gen_op_arith_compute_ca(ctx, t0, t1, 1);
tcg_temp_free(t1);
tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], t0);
tcg_temp_free(t0);
}
/*** Integer logical ***/
#define GEN_LOGICAL2(name, tcg_op, opc, type) \
GEN_HANDLER(name, 0x1F, 0x1C, opc, 0x00000000, type) \
{ \
tcg_op(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], \
cpu_gpr[rB(ctx->opcode)]); \
if (unlikely(Rc(ctx->opcode) != 0)) \
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); \
}
#define GEN_LOGICAL1(name, tcg_op, opc, type) \
GEN_HANDLER(name, 0x1F, 0x1A, opc, 0x00000000, type) \
{ \
tcg_op(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); \
if (unlikely(Rc(ctx->opcode) != 0)) \
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); \
}
/* and & and. */
GEN_LOGICAL2(and, tcg_gen_and_tl, 0x00, PPC_INTEGER);
/* andc & andc. */
GEN_LOGICAL2(andc, tcg_gen_andc_tl, 0x01, PPC_INTEGER);
/* andi. */
GEN_HANDLER2(andi_, "andi.", 0x1C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
{
tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], UIMM(ctx->opcode));
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* andis. */
GEN_HANDLER2(andis_, "andis.", 0x1D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
{
tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], UIMM(ctx->opcode) << 16);
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* cntlzw */
GEN_HANDLER(cntlzw, 0x1F, 0x1A, 0x00, 0x00000000, PPC_INTEGER)
{
gen_helper_cntlzw(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* eqv & eqv. */
GEN_LOGICAL2(eqv, tcg_gen_eqv_tl, 0x08, PPC_INTEGER);
/* extsb & extsb. */
GEN_LOGICAL1(extsb, tcg_gen_ext8s_tl, 0x1D, PPC_INTEGER);
/* extsh & extsh. */
GEN_LOGICAL1(extsh, tcg_gen_ext16s_tl, 0x1C, PPC_INTEGER);
/* nand & nand. */
GEN_LOGICAL2(nand, tcg_gen_nand_tl, 0x0E, PPC_INTEGER);
/* nor & nor. */
GEN_LOGICAL2(nor, tcg_gen_nor_tl, 0x03, PPC_INTEGER);
/* or & or. */
GEN_HANDLER(or, 0x1F, 0x1C, 0x0D, 0x00000000, PPC_INTEGER)
{
int rs, ra, rb;
rs = rS(ctx->opcode);
ra = rA(ctx->opcode);
rb = rB(ctx->opcode);
/* Optimisation for mr. ri case */
if (rs != ra || rs != rb) {
if (rs != rb)
tcg_gen_or_tl(cpu_gpr[ra], cpu_gpr[rs], cpu_gpr[rb]);
else
tcg_gen_mov_tl(cpu_gpr[ra], cpu_gpr[rs]);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[ra]);
} else if (unlikely(Rc(ctx->opcode) != 0)) {
gen_set_Rc0(ctx, cpu_gpr[rs]);
#if defined(TARGET_PPC64)
} else {
int prio = 0;
switch (rs) {
case 1:
/* Set process priority to low */
prio = 2;
break;
case 6:
/* Set process priority to medium-low */
prio = 3;
break;
case 2:
/* Set process priority to normal */
prio = 4;
break;
#if !defined(CONFIG_USER_ONLY)
case 31:
if (ctx->mem_idx > 0) {
/* Set process priority to very low */
prio = 1;
}
break;
case 5:
if (ctx->mem_idx > 0) {
/* Set process priority to medium-hight */
prio = 5;
}
break;
case 3:
if (ctx->mem_idx > 0) {
/* Set process priority to high */
prio = 6;
}
break;
case 7:
if (ctx->mem_idx > 1) {
/* Set process priority to very high */
prio = 7;
}
break;
#endif
default:
/* nop */
break;
}
if (prio) {
TCGv t0 = tcg_temp_new();
gen_load_spr(t0, SPR_PPR);
tcg_gen_andi_tl(t0, t0, ~0x001C000000000000ULL);
tcg_gen_ori_tl(t0, t0, ((uint64_t)prio) << 50);
gen_store_spr(SPR_PPR, t0);
tcg_temp_free(t0);
}
#endif
}
}
/* orc & orc. */
GEN_LOGICAL2(orc, tcg_gen_orc_tl, 0x0C, PPC_INTEGER);
/* xor & xor. */
GEN_HANDLER(xor, 0x1F, 0x1C, 0x09, 0x00000000, PPC_INTEGER)
{
/* Optimisation for "set to zero" case */
if (rS(ctx->opcode) != rB(ctx->opcode))
tcg_gen_xor_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
else
tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* ori */
GEN_HANDLER(ori, 0x18, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
{
target_ulong uimm = UIMM(ctx->opcode);
if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
/* NOP */
/* XXX: should handle special NOPs for POWER series */
return;
}
tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm);
}
/* oris */
GEN_HANDLER(oris, 0x19, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
{
target_ulong uimm = UIMM(ctx->opcode);
if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
/* NOP */
return;
}
tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm << 16);
}
/* xori */
GEN_HANDLER(xori, 0x1A, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
{
target_ulong uimm = UIMM(ctx->opcode);
if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
/* NOP */
return;
}
tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm);
}
/* xoris */
GEN_HANDLER(xoris, 0x1B, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
{
target_ulong uimm = UIMM(ctx->opcode);
if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) {
/* NOP */
return;
}
tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm << 16);
}
/* popcntb : PowerPC 2.03 specification */
GEN_HANDLER(popcntb, 0x1F, 0x03, 0x03, 0x0000F801, PPC_POPCNTB)
{
#if defined(TARGET_PPC64)
if (ctx->sf_mode)
gen_helper_popcntb_64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
else
#endif
gen_helper_popcntb(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
}
#if defined(TARGET_PPC64)
/* extsw & extsw. */
GEN_LOGICAL1(extsw, tcg_gen_ext32s_tl, 0x1E, PPC_64B);
/* cntlzd */
GEN_HANDLER(cntlzd, 0x1F, 0x1A, 0x01, 0x00000000, PPC_64B)
{
gen_helper_cntlzd(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
#endif
/*** Integer rotate ***/
/* rlwimi & rlwimi. */
GEN_HANDLER(rlwimi, 0x14, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
{
uint32_t mb, me, sh;
mb = MB(ctx->opcode);
me = ME(ctx->opcode);
sh = SH(ctx->opcode);
if (likely(sh == 0 && mb == 0 && me == 31)) {
tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
} else {
target_ulong mask;
TCGv t1;
TCGv t0 = tcg_temp_new();
#if defined(TARGET_PPC64)
TCGv_i32 t2 = tcg_temp_new_i32();
tcg_gen_trunc_i64_i32(t2, cpu_gpr[rS(ctx->opcode)]);
tcg_gen_rotli_i32(t2, t2, sh);
tcg_gen_extu_i32_i64(t0, t2);
tcg_temp_free_i32(t2);
#else
tcg_gen_rotli_i32(t0, cpu_gpr[rS(ctx->opcode)], sh);
#endif
#if defined(TARGET_PPC64)
mb += 32;
me += 32;
#endif
mask = MASK(mb, me);
t1 = tcg_temp_new();
tcg_gen_andi_tl(t0, t0, mask);
tcg_gen_andi_tl(t1, cpu_gpr[rA(ctx->opcode)], ~mask);
tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
tcg_temp_free(t0);
tcg_temp_free(t1);
}
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* rlwinm & rlwinm. */
GEN_HANDLER(rlwinm, 0x15, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
{
uint32_t mb, me, sh;
sh = SH(ctx->opcode);
mb = MB(ctx->opcode);
me = ME(ctx->opcode);
if (likely(mb == 0 && me == (31 - sh))) {
if (likely(sh == 0)) {
tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
} else {
TCGv t0 = tcg_temp_new();
tcg_gen_ext32u_tl(t0, cpu_gpr[rS(ctx->opcode)]);
tcg_gen_shli_tl(t0, t0, sh);
tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], t0);
tcg_temp_free(t0);
}
} else if (likely(sh != 0 && me == 31 && sh == (32 - mb))) {
TCGv t0 = tcg_temp_new();
tcg_gen_ext32u_tl(t0, cpu_gpr[rS(ctx->opcode)]);
tcg_gen_shri_tl(t0, t0, mb);
tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], t0);
tcg_temp_free(t0);
} else {
TCGv t0 = tcg_temp_new();
#if defined(TARGET_PPC64)
TCGv_i32 t1 = tcg_temp_new_i32();
tcg_gen_trunc_i64_i32(t1, cpu_gpr[rS(ctx->opcode)]);
tcg_gen_rotli_i32(t1, t1, sh);
tcg_gen_extu_i32_i64(t0, t1);
tcg_temp_free_i32(t1);
#else
tcg_gen_rotli_i32(t0, cpu_gpr[rS(ctx->opcode)], sh);
#endif
#if defined(TARGET_PPC64)
mb += 32;
me += 32;
#endif
tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], t0, MASK(mb, me));
tcg_temp_free(t0);
}
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* rlwnm & rlwnm. */
GEN_HANDLER(rlwnm, 0x17, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
{
uint32_t mb, me;
TCGv t0;
#if defined(TARGET_PPC64)
TCGv_i32 t1, t2;
#endif
mb = MB(ctx->opcode);
me = ME(ctx->opcode);
t0 = tcg_temp_new();
tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1f);
#if defined(TARGET_PPC64)
t1 = tcg_temp_new_i32();
t2 = tcg_temp_new_i32();
tcg_gen_trunc_i64_i32(t1, cpu_gpr[rS(ctx->opcode)]);
tcg_gen_trunc_i64_i32(t2, t0);
tcg_gen_rotl_i32(t1, t1, t2);
tcg_gen_extu_i32_i64(t0, t1);
tcg_temp_free_i32(t1);
tcg_temp_free_i32(t2);
#else
tcg_gen_rotl_i32(t0, cpu_gpr[rS(ctx->opcode)], t0);
#endif
if (unlikely(mb != 0 || me != 31)) {
#if defined(TARGET_PPC64)
mb += 32;
me += 32;
#endif
tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], t0, MASK(mb, me));
} else {
tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
}
tcg_temp_free(t0);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
#if defined(TARGET_PPC64)
#define GEN_PPC64_R2(name, opc1, opc2) \
GEN_HANDLER2(name##0, stringify(name), opc1, opc2, 0xFF, 0x00000000, PPC_64B) \
{ \
gen_##name(ctx, 0); \
} \
GEN_HANDLER2(name##1, stringify(name), opc1, opc2 | 0x10, 0xFF, 0x00000000, \
PPC_64B) \
{ \
gen_##name(ctx, 1); \
}
#define GEN_PPC64_R4(name, opc1, opc2) \
GEN_HANDLER2(name##0, stringify(name), opc1, opc2, 0xFF, 0x00000000, PPC_64B) \
{ \
gen_##name(ctx, 0, 0); \
} \
GEN_HANDLER2(name##1, stringify(name), opc1, opc2 | 0x01, 0xFF, 0x00000000, \
PPC_64B) \
{ \
gen_##name(ctx, 0, 1); \
} \
GEN_HANDLER2(name##2, stringify(name), opc1, opc2 | 0x10, 0xFF, 0x00000000, \
PPC_64B) \
{ \
gen_##name(ctx, 1, 0); \
} \
GEN_HANDLER2(name##3, stringify(name), opc1, opc2 | 0x11, 0xFF, 0x00000000, \
PPC_64B) \
{ \
gen_##name(ctx, 1, 1); \
}
static always_inline void gen_rldinm (DisasContext *ctx, uint32_t mb,
uint32_t me, uint32_t sh)
{
if (likely(sh != 0 && mb == 0 && me == (63 - sh))) {
tcg_gen_shli_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], sh);
} else if (likely(sh != 0 && me == 63 && sh == (64 - mb))) {
tcg_gen_shri_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], mb);
} else {
TCGv t0 = tcg_temp_new();
tcg_gen_rotli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
if (likely(mb == 0 && me == 63)) {
tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
} else {
tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], t0, MASK(mb, me));
}
tcg_temp_free(t0);
}
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* rldicl - rldicl. */
static always_inline void gen_rldicl (DisasContext *ctx, int mbn, int shn)
{
uint32_t sh, mb;
sh = SH(ctx->opcode) | (shn << 5);
mb = MB(ctx->opcode) | (mbn << 5);
gen_rldinm(ctx, mb, 63, sh);
}
GEN_PPC64_R4(rldicl, 0x1E, 0x00);
/* rldicr - rldicr. */
static always_inline void gen_rldicr (DisasContext *ctx, int men, int shn)
{
uint32_t sh, me;
sh = SH(ctx->opcode) | (shn << 5);
me = MB(ctx->opcode) | (men << 5);
gen_rldinm(ctx, 0, me, sh);
}
GEN_PPC64_R4(rldicr, 0x1E, 0x02);
/* rldic - rldic. */
static always_inline void gen_rldic (DisasContext *ctx, int mbn, int shn)
{
uint32_t sh, mb;
sh = SH(ctx->opcode) | (shn << 5);
mb = MB(ctx->opcode) | (mbn << 5);
gen_rldinm(ctx, mb, 63 - sh, sh);
}
GEN_PPC64_R4(rldic, 0x1E, 0x04);
static always_inline void gen_rldnm (DisasContext *ctx, uint32_t mb,
uint32_t me)
{
TCGv t0;
mb = MB(ctx->opcode);
me = ME(ctx->opcode);
t0 = tcg_temp_new();
tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3f);
tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
if (unlikely(mb != 0 || me != 63)) {
tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], t0, MASK(mb, me));
} else {
tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
}
tcg_temp_free(t0);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* rldcl - rldcl. */
static always_inline void gen_rldcl (DisasContext *ctx, int mbn)
{
uint32_t mb;
mb = MB(ctx->opcode) | (mbn << 5);
gen_rldnm(ctx, mb, 63);
}
GEN_PPC64_R2(rldcl, 0x1E, 0x08);
/* rldcr - rldcr. */
static always_inline void gen_rldcr (DisasContext *ctx, int men)
{
uint32_t me;
me = MB(ctx->opcode) | (men << 5);
gen_rldnm(ctx, 0, me);
}
GEN_PPC64_R2(rldcr, 0x1E, 0x09);
/* rldimi - rldimi. */
static always_inline void gen_rldimi (DisasContext *ctx, int mbn, int shn)
{
uint32_t sh, mb, me;
sh = SH(ctx->opcode) | (shn << 5);
mb = MB(ctx->opcode) | (mbn << 5);
me = 63 - sh;
if (unlikely(sh == 0 && mb == 0)) {
tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
} else {
TCGv t0, t1;
target_ulong mask;
t0 = tcg_temp_new();
tcg_gen_rotli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
t1 = tcg_temp_new();
mask = MASK(mb, me);
tcg_gen_andi_tl(t0, t0, mask);
tcg_gen_andi_tl(t1, cpu_gpr[rA(ctx->opcode)], ~mask);
tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
tcg_temp_free(t0);
tcg_temp_free(t1);
}
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
GEN_PPC64_R4(rldimi, 0x1E, 0x06);
#endif
/*** Integer shift ***/
/* slw & slw. */
GEN_HANDLER(slw, 0x1F, 0x18, 0x00, 0x00000000, PPC_INTEGER)
{
TCGv t0;
int l1, l2;
l1 = gen_new_label();
l2 = gen_new_label();
t0 = tcg_temp_local_new();
tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3f);
tcg_gen_brcondi_tl(TCG_COND_LT, t0, 0x20, l1);
tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
tcg_gen_br(l2);
gen_set_label(l1);
tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t0);
tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
gen_set_label(l2);
tcg_temp_free(t0);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* sraw & sraw. */
GEN_HANDLER(sraw, 0x1F, 0x18, 0x18, 0x00000000, PPC_INTEGER)
{
gen_helper_sraw(cpu_gpr[rA(ctx->opcode)],
cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* srawi & srawi. */
GEN_HANDLER(srawi, 0x1F, 0x18, 0x19, 0x00000000, PPC_INTEGER)
{
int sh = SH(ctx->opcode);
if (sh != 0) {
int l1, l2;
TCGv t0;
l1 = gen_new_label();
l2 = gen_new_label();
t0 = tcg_temp_local_new();
tcg_gen_ext32s_tl(t0, cpu_gpr[rS(ctx->opcode)]);
tcg_gen_brcondi_tl(TCG_COND_GE, t0, 0, l1);
tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)], (1ULL << sh) - 1);
tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
tcg_gen_ori_tl(cpu_xer, cpu_xer, 1 << XER_CA);
tcg_gen_br(l2);
gen_set_label(l1);
tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_CA));
gen_set_label(l2);
tcg_gen_ext32s_tl(t0, cpu_gpr[rS(ctx->opcode)]);
tcg_gen_sari_tl(cpu_gpr[rA(ctx->opcode)], t0, sh);
tcg_temp_free(t0);
} else {
tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_CA));
}
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* srw & srw. */
GEN_HANDLER(srw, 0x1F, 0x18, 0x10, 0x00000000, PPC_INTEGER)
{
TCGv t0, t1;
int l1, l2;
l1 = gen_new_label();
l2 = gen_new_label();
t0 = tcg_temp_local_new();
tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3f);
tcg_gen_brcondi_tl(TCG_COND_LT, t0, 0x20, l1);
tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
tcg_gen_br(l2);
gen_set_label(l1);
t1 = tcg_temp_new();
tcg_gen_ext32u_tl(t1, cpu_gpr[rS(ctx->opcode)]);
tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t1, t0);
tcg_temp_free(t1);
gen_set_label(l2);
tcg_temp_free(t0);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
#if defined(TARGET_PPC64)
/* sld & sld. */
GEN_HANDLER(sld, 0x1F, 0x1B, 0x00, 0x00000000, PPC_64B)
{
TCGv t0;
int l1, l2;
l1 = gen_new_label();
l2 = gen_new_label();
t0 = tcg_temp_local_new();
tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x7f);
tcg_gen_brcondi_tl(TCG_COND_LT, t0, 0x40, l1);
tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
tcg_gen_br(l2);
gen_set_label(l1);
tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t0);
gen_set_label(l2);
tcg_temp_free(t0);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* srad & srad. */
GEN_HANDLER(srad, 0x1F, 0x1A, 0x18, 0x00000000, PPC_64B)
{
gen_helper_srad(cpu_gpr[rA(ctx->opcode)],
cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* sradi & sradi. */
static always_inline void gen_sradi (DisasContext *ctx, int n)
{
int sh = SH(ctx->opcode) + (n << 5);
if (sh != 0) {
int l1, l2;
TCGv t0;
l1 = gen_new_label();
l2 = gen_new_label();
t0 = tcg_temp_local_new();
tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rS(ctx->opcode)], 0, l1);
tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)], (1ULL << sh) - 1);
tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
tcg_gen_ori_tl(cpu_xer, cpu_xer, 1 << XER_CA);
tcg_gen_br(l2);
gen_set_label(l1);
tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_CA));
gen_set_label(l2);
tcg_temp_free(t0);
tcg_gen_sari_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], sh);
} else {
tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_CA));
}
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
GEN_HANDLER2(sradi0, "sradi", 0x1F, 0x1A, 0x19, 0x00000000, PPC_64B)
{
gen_sradi(ctx, 0);
}
GEN_HANDLER2(sradi1, "sradi", 0x1F, 0x1B, 0x19, 0x00000000, PPC_64B)
{
gen_sradi(ctx, 1);
}
/* srd & srd. */
GEN_HANDLER(srd, 0x1F, 0x1B, 0x10, 0x00000000, PPC_64B)
{
TCGv t0;
int l1, l2;
l1 = gen_new_label();
l2 = gen_new_label();
t0 = tcg_temp_local_new();
tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x7f);
tcg_gen_brcondi_tl(TCG_COND_LT, t0, 0x40, l1);
tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
tcg_gen_br(l2);
gen_set_label(l1);
tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t0);
gen_set_label(l2);
tcg_temp_free(t0);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
#endif
/*** Floating-Point arithmetic ***/
#define _GEN_FLOAT_ACB(name, op, op1, op2, isfloat, set_fprf, type) \
GEN_HANDLER(f##name, op1, op2, 0xFF, 0x00000000, type) \
{ \
if (unlikely(!ctx->fpu_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_FPU); \
return; \
} \
/* NIP cannot be restored if the memory exception comes from an helper */ \
gen_update_nip(ctx, ctx->nip - 4); \
gen_reset_fpstatus(); \
gen_helper_f##op(cpu_fpr[rD(ctx->opcode)], cpu_fpr[rA(ctx->opcode)], \
cpu_fpr[rC(ctx->opcode)], cpu_fpr[rB(ctx->opcode)]); \
if (isfloat) { \
gen_helper_frsp(cpu_fpr[rD(ctx->opcode)], cpu_fpr[rD(ctx->opcode)]); \
} \
gen_compute_fprf(cpu_fpr[rD(ctx->opcode)], set_fprf, \
Rc(ctx->opcode) != 0); \
}
#define GEN_FLOAT_ACB(name, op2, set_fprf, type) \
_GEN_FLOAT_ACB(name, name, 0x3F, op2, 0, set_fprf, type); \
_GEN_FLOAT_ACB(name##s, name, 0x3B, op2, 1, set_fprf, type);
#define _GEN_FLOAT_AB(name, op, op1, op2, inval, isfloat, set_fprf, type) \
GEN_HANDLER(f##name, op1, op2, 0xFF, inval, type) \
{ \
if (unlikely(!ctx->fpu_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_FPU); \
return; \
} \
/* NIP cannot be restored if the memory exception comes from an helper */ \
gen_update_nip(ctx, ctx->nip - 4); \
gen_reset_fpstatus(); \
gen_helper_f##op(cpu_fpr[rD(ctx->opcode)], cpu_fpr[rA(ctx->opcode)], \
cpu_fpr[rB(ctx->opcode)]); \
if (isfloat) { \
gen_helper_frsp(cpu_fpr[rD(ctx->opcode)], cpu_fpr[rD(ctx->opcode)]); \
} \
gen_compute_fprf(cpu_fpr[rD(ctx->opcode)], \
set_fprf, Rc(ctx->opcode) != 0); \
}
#define GEN_FLOAT_AB(name, op2, inval, set_fprf, type) \
_GEN_FLOAT_AB(name, name, 0x3F, op2, inval, 0, set_fprf, type); \
_GEN_FLOAT_AB(name##s, name, 0x3B, op2, inval, 1, set_fprf, type);
#define _GEN_FLOAT_AC(name, op, op1, op2, inval, isfloat, set_fprf, type) \
GEN_HANDLER(f##name, op1, op2, 0xFF, inval, type) \
{ \
if (unlikely(!ctx->fpu_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_FPU); \
return; \
} \
/* NIP cannot be restored if the memory exception comes from an helper */ \
gen_update_nip(ctx, ctx->nip - 4); \
gen_reset_fpstatus(); \
gen_helper_f##op(cpu_fpr[rD(ctx->opcode)], cpu_fpr[rA(ctx->opcode)], \
cpu_fpr[rC(ctx->opcode)]); \
if (isfloat) { \
gen_helper_frsp(cpu_fpr[rD(ctx->opcode)], cpu_fpr[rD(ctx->opcode)]); \
} \
gen_compute_fprf(cpu_fpr[rD(ctx->opcode)], \
set_fprf, Rc(ctx->opcode) != 0); \
}
#define GEN_FLOAT_AC(name, op2, inval, set_fprf, type) \
_GEN_FLOAT_AC(name, name, 0x3F, op2, inval, 0, set_fprf, type); \
_GEN_FLOAT_AC(name##s, name, 0x3B, op2, inval, 1, set_fprf, type);
#define GEN_FLOAT_B(name, op2, op3, set_fprf, type) \
GEN_HANDLER(f##name, 0x3F, op2, op3, 0x001F0000, type) \
{ \
if (unlikely(!ctx->fpu_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_FPU); \
return; \
} \
/* NIP cannot be restored if the memory exception comes from an helper */ \
gen_update_nip(ctx, ctx->nip - 4); \
gen_reset_fpstatus(); \
gen_helper_f##name(cpu_fpr[rD(ctx->opcode)], cpu_fpr[rB(ctx->opcode)]); \
gen_compute_fprf(cpu_fpr[rD(ctx->opcode)], \
set_fprf, Rc(ctx->opcode) != 0); \
}
#define GEN_FLOAT_BS(name, op1, op2, set_fprf, type) \
GEN_HANDLER(f##name, op1, op2, 0xFF, 0x001F07C0, type) \
{ \
if (unlikely(!ctx->fpu_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_FPU); \
return; \
} \
/* NIP cannot be restored if the memory exception comes from an helper */ \
gen_update_nip(ctx, ctx->nip - 4); \
gen_reset_fpstatus(); \
gen_helper_f##name(cpu_fpr[rD(ctx->opcode)], cpu_fpr[rB(ctx->opcode)]); \
gen_compute_fprf(cpu_fpr[rD(ctx->opcode)], \
set_fprf, Rc(ctx->opcode) != 0); \
}
/* fadd - fadds */
GEN_FLOAT_AB(add, 0x15, 0x000007C0, 1, PPC_FLOAT);
/* fdiv - fdivs */
GEN_FLOAT_AB(div, 0x12, 0x000007C0, 1, PPC_FLOAT);
/* fmul - fmuls */
GEN_FLOAT_AC(mul, 0x19, 0x0000F800, 1, PPC_FLOAT);
/* fre */
GEN_FLOAT_BS(re, 0x3F, 0x18, 1, PPC_FLOAT_EXT);
/* fres */
GEN_FLOAT_BS(res, 0x3B, 0x18, 1, PPC_FLOAT_FRES);
/* frsqrte */
GEN_FLOAT_BS(rsqrte, 0x3F, 0x1A, 1, PPC_FLOAT_FRSQRTE);
/* frsqrtes */
GEN_HANDLER(frsqrtes, 0x3B, 0x1A, 0xFF, 0x001F07C0, PPC_FLOAT_FRSQRTES)
{
if (unlikely(!ctx->fpu_enabled)) {
gen_exception(ctx, POWERPC_EXCP_FPU);
return;
}
/* NIP cannot be restored if the memory exception comes from an helper */
gen_update_nip(ctx, ctx->nip - 4);
gen_reset_fpstatus();
gen_helper_frsqrte(cpu_fpr[rD(ctx->opcode)], cpu_fpr[rB(ctx->opcode)]);
gen_helper_frsp(cpu_fpr[rD(ctx->opcode)], cpu_fpr[rD(ctx->opcode)]);
gen_compute_fprf(cpu_fpr[rD(ctx->opcode)], 1, Rc(ctx->opcode) != 0);
}
/* fsel */
_GEN_FLOAT_ACB(sel, sel, 0x3F, 0x17, 0, 0, PPC_FLOAT_FSEL);
/* fsub - fsubs */
GEN_FLOAT_AB(sub, 0x14, 0x000007C0, 1, PPC_FLOAT);
/* Optional: */
/* fsqrt */
GEN_HANDLER(fsqrt, 0x3F, 0x16, 0xFF, 0x001F07C0, PPC_FLOAT_FSQRT)
{
if (unlikely(!ctx->fpu_enabled)) {
gen_exception(ctx, POWERPC_EXCP_FPU);
return;
}
/* NIP cannot be restored if the memory exception comes from an helper */
gen_update_nip(ctx, ctx->nip - 4);
gen_reset_fpstatus();
gen_helper_fsqrt(cpu_fpr[rD(ctx->opcode)], cpu_fpr[rB(ctx->opcode)]);
gen_compute_fprf(cpu_fpr[rD(ctx->opcode)], 1, Rc(ctx->opcode) != 0);
}
GEN_HANDLER(fsqrts, 0x3B, 0x16, 0xFF, 0x001F07C0, PPC_FLOAT_FSQRT)
{
if (unlikely(!ctx->fpu_enabled)) {
gen_exception(ctx, POWERPC_EXCP_FPU);
return;
}
/* NIP cannot be restored if the memory exception comes from an helper */
gen_update_nip(ctx, ctx->nip - 4);
gen_reset_fpstatus();
gen_helper_fsqrt(cpu_fpr[rD(ctx->opcode)], cpu_fpr[rB(ctx->opcode)]);
gen_helper_frsp(cpu_fpr[rD(ctx->opcode)], cpu_fpr[rD(ctx->opcode)]);
gen_compute_fprf(cpu_fpr[rD(ctx->opcode)], 1, Rc(ctx->opcode) != 0);
}
/*** Floating-Point multiply-and-add ***/
/* fmadd - fmadds */
GEN_FLOAT_ACB(madd, 0x1D, 1, PPC_FLOAT);
/* fmsub - fmsubs */
GEN_FLOAT_ACB(msub, 0x1C, 1, PPC_FLOAT);
/* fnmadd - fnmadds */
GEN_FLOAT_ACB(nmadd, 0x1F, 1, PPC_FLOAT);
/* fnmsub - fnmsubs */
GEN_FLOAT_ACB(nmsub, 0x1E, 1, PPC_FLOAT);
/*** Floating-Point round & convert ***/
/* fctiw */
GEN_FLOAT_B(ctiw, 0x0E, 0x00, 0, PPC_FLOAT);
/* fctiwz */
GEN_FLOAT_B(ctiwz, 0x0F, 0x00, 0, PPC_FLOAT);
/* frsp */
GEN_FLOAT_B(rsp, 0x0C, 0x00, 1, PPC_FLOAT);
#if defined(TARGET_PPC64)
/* fcfid */
GEN_FLOAT_B(cfid, 0x0E, 0x1A, 1, PPC_64B);
/* fctid */
GEN_FLOAT_B(ctid, 0x0E, 0x19, 0, PPC_64B);
/* fctidz */
GEN_FLOAT_B(ctidz, 0x0F, 0x19, 0, PPC_64B);
#endif
/* frin */
GEN_FLOAT_B(rin, 0x08, 0x0C, 1, PPC_FLOAT_EXT);
/* friz */
GEN_FLOAT_B(riz, 0x08, 0x0D, 1, PPC_FLOAT_EXT);
/* frip */
GEN_FLOAT_B(rip, 0x08, 0x0E, 1, PPC_FLOAT_EXT);
/* frim */
GEN_FLOAT_B(rim, 0x08, 0x0F, 1, PPC_FLOAT_EXT);
/*** Floating-Point compare ***/
/* fcmpo */
GEN_HANDLER(fcmpo, 0x3F, 0x00, 0x01, 0x00600001, PPC_FLOAT)
{
TCGv_i32 crf;
if (unlikely(!ctx->fpu_enabled)) {
gen_exception(ctx, POWERPC_EXCP_FPU);
return;
}
/* NIP cannot be restored if the memory exception comes from an helper */
gen_update_nip(ctx, ctx->nip - 4);
gen_reset_fpstatus();
crf = tcg_const_i32(crfD(ctx->opcode));
gen_helper_fcmpo(cpu_fpr[rA(ctx->opcode)], cpu_fpr[rB(ctx->opcode)], crf);
tcg_temp_free_i32(crf);
gen_helper_float_check_status();
}
/* fcmpu */
GEN_HANDLER(fcmpu, 0x3F, 0x00, 0x00, 0x00600001, PPC_FLOAT)
{
TCGv_i32 crf;
if (unlikely(!ctx->fpu_enabled)) {
gen_exception(ctx, POWERPC_EXCP_FPU);
return;
}
/* NIP cannot be restored if the memory exception comes from an helper */
gen_update_nip(ctx, ctx->nip - 4);
gen_reset_fpstatus();
crf = tcg_const_i32(crfD(ctx->opcode));
gen_helper_fcmpu(cpu_fpr[rA(ctx->opcode)], cpu_fpr[rB(ctx->opcode)], crf);
tcg_temp_free_i32(crf);
gen_helper_float_check_status();
}
/*** Floating-point move ***/
/* fabs */
/* XXX: beware that fabs never checks for NaNs nor update FPSCR */
GEN_FLOAT_B(abs, 0x08, 0x08, 0, PPC_FLOAT);
/* fmr - fmr. */
/* XXX: beware that fmr never checks for NaNs nor update FPSCR */
GEN_HANDLER(fmr, 0x3F, 0x08, 0x02, 0x001F0000, PPC_FLOAT)
{
if (unlikely(!ctx->fpu_enabled)) {
gen_exception(ctx, POWERPC_EXCP_FPU);
return;
}
tcg_gen_mov_i64(cpu_fpr[rD(ctx->opcode)], cpu_fpr[rB(ctx->opcode)]);
gen_compute_fprf(cpu_fpr[rD(ctx->opcode)], 0, Rc(ctx->opcode) != 0);
}
/* fnabs */
/* XXX: beware that fnabs never checks for NaNs nor update FPSCR */
GEN_FLOAT_B(nabs, 0x08, 0x04, 0, PPC_FLOAT);
/* fneg */
/* XXX: beware that fneg never checks for NaNs nor update FPSCR */
GEN_FLOAT_B(neg, 0x08, 0x01, 0, PPC_FLOAT);
/*** Floating-Point status & ctrl register ***/
/* mcrfs */
GEN_HANDLER(mcrfs, 0x3F, 0x00, 0x02, 0x0063F801, PPC_FLOAT)
{
int bfa;
if (unlikely(!ctx->fpu_enabled)) {
gen_exception(ctx, POWERPC_EXCP_FPU);
return;
}
bfa = 4 * (7 - crfS(ctx->opcode));
tcg_gen_shri_i32(cpu_crf[crfD(ctx->opcode)], cpu_fpscr, bfa);
tcg_gen_andi_i32(cpu_crf[crfD(ctx->opcode)], cpu_crf[crfD(ctx->opcode)], 0xf);
tcg_gen_andi_i32(cpu_fpscr, cpu_fpscr, ~(0xF << bfa));
}
/* mffs */
GEN_HANDLER(mffs, 0x3F, 0x07, 0x12, 0x001FF800, PPC_FLOAT)
{
if (unlikely(!ctx->fpu_enabled)) {
gen_exception(ctx, POWERPC_EXCP_FPU);
return;
}
gen_reset_fpstatus();
tcg_gen_extu_i32_i64(cpu_fpr[rD(ctx->opcode)], cpu_fpscr);
gen_compute_fprf(cpu_fpr[rD(ctx->opcode)], 0, Rc(ctx->opcode) != 0);
}
/* mtfsb0 */
GEN_HANDLER(mtfsb0, 0x3F, 0x06, 0x02, 0x001FF800, PPC_FLOAT)
{
uint8_t crb;
if (unlikely(!ctx->fpu_enabled)) {
gen_exception(ctx, POWERPC_EXCP_FPU);
return;
}
crb = 31 - crbD(ctx->opcode);
gen_reset_fpstatus();
if (likely(crb != FPSCR_FEX && crb != FPSCR_VX)) {
TCGv_i32 t0;
/* NIP cannot be restored if the memory exception comes from an helper */
gen_update_nip(ctx, ctx->nip - 4);
t0 = tcg_const_i32(crb);
gen_helper_fpscr_clrbit(t0);
tcg_temp_free_i32(t0);
}
if (unlikely(Rc(ctx->opcode) != 0)) {
tcg_gen_shri_i32(cpu_crf[1], cpu_fpscr, FPSCR_OX);
}
}
/* mtfsb1 */
GEN_HANDLER(mtfsb1, 0x3F, 0x06, 0x01, 0x001FF800, PPC_FLOAT)
{
uint8_t crb;
if (unlikely(!ctx->fpu_enabled)) {
gen_exception(ctx, POWERPC_EXCP_FPU);
return;
}
crb = 31 - crbD(ctx->opcode);
gen_reset_fpstatus();
/* XXX: we pretend we can only do IEEE floating-point computations */
if (likely(crb != FPSCR_FEX && crb != FPSCR_VX && crb != FPSCR_NI)) {
TCGv_i32 t0;
/* NIP cannot be restored if the memory exception comes from an helper */
gen_update_nip(ctx, ctx->nip - 4);
t0 = tcg_const_i32(crb);
gen_helper_fpscr_setbit(t0);
tcg_temp_free_i32(t0);
}
if (unlikely(Rc(ctx->opcode) != 0)) {
tcg_gen_shri_i32(cpu_crf[1], cpu_fpscr, FPSCR_OX);
}
/* We can raise a differed exception */
gen_helper_float_check_status();
}
/* mtfsf */
GEN_HANDLER(mtfsf, 0x3F, 0x07, 0x16, 0x02010000, PPC_FLOAT)
{
TCGv_i32 t0;
if (unlikely(!ctx->fpu_enabled)) {
gen_exception(ctx, POWERPC_EXCP_FPU);
return;
}
/* NIP cannot be restored if the memory exception comes from an helper */
gen_update_nip(ctx, ctx->nip - 4);
gen_reset_fpstatus();
t0 = tcg_const_i32(FM(ctx->opcode));
gen_helper_store_fpscr(cpu_fpr[rB(ctx->opcode)], t0);
tcg_temp_free_i32(t0);
if (unlikely(Rc(ctx->opcode) != 0)) {
tcg_gen_shri_i32(cpu_crf[1], cpu_fpscr, FPSCR_OX);
}
/* We can raise a differed exception */
gen_helper_float_check_status();
}
/* mtfsfi */
GEN_HANDLER(mtfsfi, 0x3F, 0x06, 0x04, 0x006f0800, PPC_FLOAT)
{
int bf, sh;
TCGv_i64 t0;
TCGv_i32 t1;
if (unlikely(!ctx->fpu_enabled)) {
gen_exception(ctx, POWERPC_EXCP_FPU);
return;
}
bf = crbD(ctx->opcode) >> 2;
sh = 7 - bf;
/* NIP cannot be restored if the memory exception comes from an helper */
gen_update_nip(ctx, ctx->nip - 4);
gen_reset_fpstatus();
t0 = tcg_const_i64(FPIMM(ctx->opcode) << (4 * sh));
t1 = tcg_const_i32(1 << sh);
gen_helper_store_fpscr(t0, t1);
tcg_temp_free_i64(t0);
tcg_temp_free_i32(t1);
if (unlikely(Rc(ctx->opcode) != 0)) {
tcg_gen_shri_i32(cpu_crf[1], cpu_fpscr, FPSCR_OX);
}
/* We can raise a differed exception */
gen_helper_float_check_status();
}
/*** Addressing modes ***/
/* Register indirect with immediate index : EA = (rA|0) + SIMM */
static always_inline void gen_addr_imm_index (DisasContext *ctx, TCGv EA, target_long maskl)
{
target_long simm = SIMM(ctx->opcode);
simm &= ~maskl;
if (rA(ctx->opcode) == 0) {
#if defined(TARGET_PPC64)
if (!ctx->sf_mode) {
tcg_gen_movi_tl(EA, (uint32_t)simm);
} else
#endif
tcg_gen_movi_tl(EA, simm);
} else if (likely(simm != 0)) {
tcg_gen_addi_tl(EA, cpu_gpr[rA(ctx->opcode)], simm);
#if defined(TARGET_PPC64)
if (!ctx->sf_mode) {
tcg_gen_ext32u_tl(EA, EA);
}
#endif
} else {
#if defined(TARGET_PPC64)
if (!ctx->sf_mode) {
tcg_gen_ext32u_tl(EA, cpu_gpr[rA(ctx->opcode)]);
} else
#endif
tcg_gen_mov_tl(EA, cpu_gpr[rA(ctx->opcode)]);
}
}
static always_inline void gen_addr_reg_index (DisasContext *ctx, TCGv EA)
{
if (rA(ctx->opcode) == 0) {
#if defined(TARGET_PPC64)
if (!ctx->sf_mode) {
tcg_gen_ext32u_tl(EA, cpu_gpr[rB(ctx->opcode)]);
} else
#endif
tcg_gen_mov_tl(EA, cpu_gpr[rB(ctx->opcode)]);
} else {
tcg_gen_add_tl(EA, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
#if defined(TARGET_PPC64)
if (!ctx->sf_mode) {
tcg_gen_ext32u_tl(EA, EA);
}
#endif
}
}
static always_inline void gen_addr_register (DisasContext *ctx, TCGv EA)
{
if (rA(ctx->opcode) == 0) {
tcg_gen_movi_tl(EA, 0);
} else {
#if defined(TARGET_PPC64)
if (!ctx->sf_mode) {
tcg_gen_ext32u_tl(EA, cpu_gpr[rA(ctx->opcode)]);
} else
#endif
tcg_gen_mov_tl(EA, cpu_gpr[rA(ctx->opcode)]);
}
}
static always_inline void gen_addr_add (DisasContext *ctx, TCGv ret, TCGv arg1, target_long val)
{
tcg_gen_addi_tl(ret, arg1, val);
#if defined(TARGET_PPC64)
if (!ctx->sf_mode) {
tcg_gen_ext32u_tl(ret, ret);
}
#endif
}
static always_inline void gen_check_align (DisasContext *ctx, TCGv EA, int mask)
{
int l1 = gen_new_label();
TCGv t0 = tcg_temp_new();
TCGv_i32 t1, t2;
/* NIP cannot be restored if the memory exception comes from an helper */
gen_update_nip(ctx, ctx->nip - 4);
tcg_gen_andi_tl(t0, EA, mask);
tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
t1 = tcg_const_i32(POWERPC_EXCP_ALIGN);
t2 = tcg_const_i32(0);
gen_helper_raise_exception_err(t1, t2);
tcg_temp_free_i32(t1);
tcg_temp_free_i32(t2);
gen_set_label(l1);
tcg_temp_free(t0);
}
/*** Integer load ***/
static always_inline void gen_qemu_ld8u(DisasContext *ctx, TCGv arg1, TCGv arg2)
{
tcg_gen_qemu_ld8u(arg1, arg2, ctx->mem_idx);
}
static always_inline void gen_qemu_ld8s(DisasContext *ctx, TCGv arg1, TCGv arg2)
{
tcg_gen_qemu_ld8s(arg1, arg2, ctx->mem_idx);
}
static always_inline void gen_qemu_ld16u(DisasContext *ctx, TCGv arg1, TCGv arg2)
{
tcg_gen_qemu_ld16u(arg1, arg2, ctx->mem_idx);
if (unlikely(ctx->le_mode)) {
#if defined(TARGET_PPC64)
TCGv_i32 t0 = tcg_temp_new_i32();
tcg_gen_trunc_tl_i32(t0, arg1);
tcg_gen_bswap16_i32(t0, t0);
tcg_gen_extu_i32_tl(arg1, t0);
tcg_temp_free_i32(t0);
#else
tcg_gen_bswap16_i32(arg1, arg1);
#endif
}
}
static always_inline void gen_qemu_ld16s(DisasContext *ctx, TCGv arg1, TCGv arg2)
{
if (unlikely(ctx->le_mode)) {
#if defined(TARGET_PPC64)
TCGv_i32 t0;
tcg_gen_qemu_ld16u(arg1, arg2, ctx->mem_idx);
t0 = tcg_temp_new_i32();
tcg_gen_trunc_tl_i32(t0, arg1);
tcg_gen_bswap16_i32(t0, t0);
tcg_gen_extu_i32_tl(arg1, t0);
tcg_gen_ext16s_tl(arg1, arg1);
tcg_temp_free_i32(t0);
#else
tcg_gen_qemu_ld16u(arg1, arg2, ctx->mem_idx);
tcg_gen_bswap16_i32(arg1, arg1);
tcg_gen_ext16s_i32(arg1, arg1);
#endif
} else {
tcg_gen_qemu_ld16s(arg1, arg2, ctx->mem_idx);
}
}
static always_inline void gen_qemu_ld32u(DisasContext *ctx, TCGv arg1, TCGv arg2)
{
tcg_gen_qemu_ld32u(arg1, arg2, ctx->mem_idx);
if (unlikely(ctx->le_mode)) {
#if defined(TARGET_PPC64)
TCGv_i32 t0 = tcg_temp_new_i32();
tcg_gen_trunc_tl_i32(t0, arg1);
tcg_gen_bswap_i32(t0, t0);
tcg_gen_extu_i32_tl(arg1, t0);
tcg_temp_free_i32(t0);
#else
tcg_gen_bswap_i32(arg1, arg1);
#endif
}
}
#if defined(TARGET_PPC64)
static always_inline void gen_qemu_ld32s(DisasContext *ctx, TCGv arg1, TCGv arg2)
{
if (unlikely(ctx->mem_idx)) {
TCGv_i32 t0;
tcg_gen_qemu_ld32u(arg1, arg2, ctx->mem_idx);
t0 = tcg_temp_new_i32();
tcg_gen_trunc_tl_i32(t0, arg1);
tcg_gen_bswap_i32(t0, t0);
tcg_gen_ext_i32_tl(arg1, t0);
tcg_temp_free_i32(t0);
} else
tcg_gen_qemu_ld32s(arg1, arg2, ctx->mem_idx);
}
#endif
static always_inline void gen_qemu_ld64(DisasContext *ctx, TCGv_i64 arg1, TCGv arg2)
{
tcg_gen_qemu_ld64(arg1, arg2, ctx->mem_idx);
if (unlikely(ctx->le_mode)) {
tcg_gen_bswap_i64(arg1, arg1);
}
}
static always_inline void gen_qemu_st8(DisasContext *ctx, TCGv arg1, TCGv arg2)
{
tcg_gen_qemu_st8(arg1, arg2, ctx->mem_idx);
}
static always_inline void gen_qemu_st16(DisasContext *ctx, TCGv arg1, TCGv arg2)
{
if (unlikely(ctx->le_mode)) {
#if defined(TARGET_PPC64)
TCGv_i32 t0;
TCGv t1;
t0 = tcg_temp_new_i32();
tcg_gen_trunc_tl_i32(t0, arg1);
tcg_gen_ext16u_i32(t0, t0);
tcg_gen_bswap16_i32(t0, t0);
t1 = tcg_temp_new();
tcg_gen_extu_i32_tl(t1, t0);
tcg_temp_free_i32(t0);
tcg_gen_qemu_st16(t1, arg2, ctx->mem_idx);
tcg_temp_free(t1);
#else
TCGv t0 = tcg_temp_new();
tcg_gen_ext16u_tl(t0, arg1);
tcg_gen_bswap16_i32(t0, t0);
tcg_gen_qemu_st16(t0, arg2, ctx->mem_idx);
tcg_temp_free(t0);
#endif
} else {
tcg_gen_qemu_st16(arg1, arg2, ctx->mem_idx);
}
}
static always_inline void gen_qemu_st32(DisasContext *ctx, TCGv arg1, TCGv arg2)
{
if (unlikely(ctx->le_mode)) {
#if defined(TARGET_PPC64)
TCGv_i32 t0;
TCGv t1;
t0 = tcg_temp_new_i32();
tcg_gen_trunc_tl_i32(t0, arg1);
tcg_gen_bswap_i32(t0, t0);
t1 = tcg_temp_new();
tcg_gen_extu_i32_tl(t1, t0);
tcg_temp_free_i32(t0);
tcg_gen_qemu_st32(t1, arg2, ctx->mem_idx);
tcg_temp_free(t1);
#else
TCGv t0 = tcg_temp_new_i32();
tcg_gen_bswap_i32(t0, arg1);
tcg_gen_qemu_st32(t0, arg2, ctx->mem_idx);
tcg_temp_free(t0);
#endif
} else {
tcg_gen_qemu_st32(arg1, arg2, ctx->mem_idx);
}
}
static always_inline void gen_qemu_st64(DisasContext *ctx, TCGv_i64 arg1, TCGv arg2)
{
if (unlikely(ctx->le_mode)) {
TCGv_i64 t0 = tcg_temp_new_i64();
tcg_gen_bswap_i64(t0, arg1);
tcg_gen_qemu_st64(t0, arg2, ctx->mem_idx);
tcg_temp_free_i64(t0);
} else
tcg_gen_qemu_st64(arg1, arg2, ctx->mem_idx);
}
#define GEN_LD(name, ldop, opc, type) \
GEN_HANDLER(name, opc, 0xFF, 0xFF, 0x00000000, type) \
{ \
TCGv EA; \
gen_set_access_type(ctx, ACCESS_INT); \
EA = tcg_temp_new(); \
gen_addr_imm_index(ctx, EA, 0); \
gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA); \
tcg_temp_free(EA); \
}
#define GEN_LDU(name, ldop, opc, type) \
GEN_HANDLER(name##u, opc, 0xFF, 0xFF, 0x00000000, type) \
{ \
TCGv EA; \
if (unlikely(rA(ctx->opcode) == 0 || \
rA(ctx->opcode) == rD(ctx->opcode))) { \
gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \
return; \
} \
gen_set_access_type(ctx, ACCESS_INT); \
EA = tcg_temp_new(); \
if (type == PPC_64B) \
gen_addr_imm_index(ctx, EA, 0x03); \
else \
gen_addr_imm_index(ctx, EA, 0); \
gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA); \
tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \
tcg_temp_free(EA); \
}
#define GEN_LDUX(name, ldop, opc2, opc3, type) \
GEN_HANDLER(name##ux, 0x1F, opc2, opc3, 0x00000001, type) \
{ \
TCGv EA; \
if (unlikely(rA(ctx->opcode) == 0 || \
rA(ctx->opcode) == rD(ctx->opcode))) { \
gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \
return; \
} \
gen_set_access_type(ctx, ACCESS_INT); \
EA = tcg_temp_new(); \
gen_addr_reg_index(ctx, EA); \
gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA); \
tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \
tcg_temp_free(EA); \
}
#define GEN_LDX(name, ldop, opc2, opc3, type) \
GEN_HANDLER(name##x, 0x1F, opc2, opc3, 0x00000001, type) \
{ \
TCGv EA; \
gen_set_access_type(ctx, ACCESS_INT); \
EA = tcg_temp_new(); \
gen_addr_reg_index(ctx, EA); \
gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA); \
tcg_temp_free(EA); \
}
#define GEN_LDS(name, ldop, op, type) \
GEN_LD(name, ldop, op | 0x20, type); \
GEN_LDU(name, ldop, op | 0x21, type); \
GEN_LDUX(name, ldop, 0x17, op | 0x01, type); \
GEN_LDX(name, ldop, 0x17, op | 0x00, type)
/* lbz lbzu lbzux lbzx */
GEN_LDS(lbz, ld8u, 0x02, PPC_INTEGER);
/* lha lhau lhaux lhax */
GEN_LDS(lha, ld16s, 0x0A, PPC_INTEGER);
/* lhz lhzu lhzux lhzx */
GEN_LDS(lhz, ld16u, 0x08, PPC_INTEGER);
/* lwz lwzu lwzux lwzx */
GEN_LDS(lwz, ld32u, 0x00, PPC_INTEGER);
#if defined(TARGET_PPC64)
/* lwaux */
GEN_LDUX(lwa, ld32s, 0x15, 0x0B, PPC_64B);
/* lwax */
GEN_LDX(lwa, ld32s, 0x15, 0x0A, PPC_64B);
/* ldux */
GEN_LDUX(ld, ld64, 0x15, 0x01, PPC_64B);
/* ldx */
GEN_LDX(ld, ld64, 0x15, 0x00, PPC_64B);
GEN_HANDLER(ld, 0x3A, 0xFF, 0xFF, 0x00000000, PPC_64B)
{
TCGv EA;
if (Rc(ctx->opcode)) {
if (unlikely(rA(ctx->opcode) == 0 ||
rA(ctx->opcode) == rD(ctx->opcode))) {
gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
return;
}
}
gen_set_access_type(ctx, ACCESS_INT);
EA = tcg_temp_new();
gen_addr_imm_index(ctx, EA, 0x03);
if (ctx->opcode & 0x02) {
/* lwa (lwau is undefined) */
gen_qemu_ld32s(ctx, cpu_gpr[rD(ctx->opcode)], EA);
} else {
/* ld - ldu */
gen_qemu_ld64(ctx, cpu_gpr[rD(ctx->opcode)], EA);
}
if (Rc(ctx->opcode))
tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);
tcg_temp_free(EA);
}
/* lq */
GEN_HANDLER(lq, 0x38, 0xFF, 0xFF, 0x00000000, PPC_64BX)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
int ra, rd;
TCGv EA;
/* Restore CPU state */
if (unlikely(ctx->mem_idx == 0)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
ra = rA(ctx->opcode);
rd = rD(ctx->opcode);
if (unlikely((rd & 1) || rd == ra)) {
gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
return;
}
if (unlikely(ctx->le_mode)) {
/* Little-endian mode is not handled */
gen_exception_err(ctx, POWERPC_EXCP_ALIGN, POWERPC_EXCP_ALIGN_LE);
return;
}
gen_set_access_type(ctx, ACCESS_INT);
EA = tcg_temp_new();
gen_addr_imm_index(ctx, EA, 0x0F);
gen_qemu_ld64(ctx, cpu_gpr[rd], EA);
gen_addr_add(ctx, EA, EA, 8);
gen_qemu_ld64(ctx, cpu_gpr[rd+1], EA);
tcg_temp_free(EA);
#endif
}
#endif
/*** Integer store ***/
#define GEN_ST(name, stop, opc, type) \
GEN_HANDLER(name, opc, 0xFF, 0xFF, 0x00000000, type) \
{ \
TCGv EA; \
gen_set_access_type(ctx, ACCESS_INT); \
EA = tcg_temp_new(); \
gen_addr_imm_index(ctx, EA, 0); \
gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA); \
tcg_temp_free(EA); \
}
#define GEN_STU(name, stop, opc, type) \
GEN_HANDLER(stop##u, opc, 0xFF, 0xFF, 0x00000000, type) \
{ \
TCGv EA; \
if (unlikely(rA(ctx->opcode) == 0)) { \
gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \
return; \
} \
gen_set_access_type(ctx, ACCESS_INT); \
EA = tcg_temp_new(); \
if (type == PPC_64B) \
gen_addr_imm_index(ctx, EA, 0x03); \
else \
gen_addr_imm_index(ctx, EA, 0); \
gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA); \
tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \
tcg_temp_free(EA); \
}
#define GEN_STUX(name, stop, opc2, opc3, type) \
GEN_HANDLER(name##ux, 0x1F, opc2, opc3, 0x00000001, type) \
{ \
TCGv EA; \
if (unlikely(rA(ctx->opcode) == 0)) { \
gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \
return; \
} \
gen_set_access_type(ctx, ACCESS_INT); \
EA = tcg_temp_new(); \
gen_addr_reg_index(ctx, EA); \
gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA); \
tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \
tcg_temp_free(EA); \
}
#define GEN_STX(name, stop, opc2, opc3, type) \
GEN_HANDLER(name##x, 0x1F, opc2, opc3, 0x00000001, type) \
{ \
TCGv EA; \
gen_set_access_type(ctx, ACCESS_INT); \
EA = tcg_temp_new(); \
gen_addr_reg_index(ctx, EA); \
gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA); \
tcg_temp_free(EA); \
}
#define GEN_STS(name, stop, op, type) \
GEN_ST(name, stop, op | 0x20, type); \
GEN_STU(name, stop, op | 0x21, type); \
GEN_STUX(name, stop, 0x17, op | 0x01, type); \
GEN_STX(name, stop, 0x17, op | 0x00, type)
/* stb stbu stbux stbx */
GEN_STS(stb, st8, 0x06, PPC_INTEGER);
/* sth sthu sthux sthx */
GEN_STS(sth, st16, 0x0C, PPC_INTEGER);
/* stw stwu stwux stwx */
GEN_STS(stw, st32, 0x04, PPC_INTEGER);
#if defined(TARGET_PPC64)
GEN_STUX(std, st64, 0x15, 0x05, PPC_64B);
GEN_STX(std, st64, 0x15, 0x04, PPC_64B);
GEN_HANDLER(std, 0x3E, 0xFF, 0xFF, 0x00000000, PPC_64B)
{
int rs;
TCGv EA;
rs = rS(ctx->opcode);
if ((ctx->opcode & 0x3) == 0x2) {
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
/* stq */
if (unlikely(ctx->mem_idx == 0)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
if (unlikely(rs & 1)) {
gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
return;
}
if (unlikely(ctx->le_mode)) {
/* Little-endian mode is not handled */
gen_exception_err(ctx, POWERPC_EXCP_ALIGN, POWERPC_EXCP_ALIGN_LE);
return;
}
gen_set_access_type(ctx, ACCESS_INT);
EA = tcg_temp_new();
gen_addr_imm_index(ctx, EA, 0x03);
gen_qemu_st64(ctx, cpu_gpr[rs], EA);
gen_addr_add(ctx, EA, EA, 8);
gen_qemu_st64(ctx, cpu_gpr[rs+1], EA);
tcg_temp_free(EA);
#endif
} else {
/* std / stdu */
if (Rc(ctx->opcode)) {
if (unlikely(rA(ctx->opcode) == 0)) {
gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
return;
}
}
gen_set_access_type(ctx, ACCESS_INT);
EA = tcg_temp_new();
gen_addr_imm_index(ctx, EA, 0x03);
gen_qemu_st64(ctx, cpu_gpr[rs], EA);
if (Rc(ctx->opcode))
tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA);
tcg_temp_free(EA);
}
}
#endif
/*** Integer load and store with byte reverse ***/
/* lhbrx */
static void always_inline gen_qemu_ld16ur(DisasContext *ctx, TCGv arg1, TCGv arg2)
{
tcg_gen_qemu_ld16u(arg1, arg2, ctx->mem_idx);
if (likely(!ctx->le_mode)) {
#if defined(TARGET_PPC64)
TCGv_i32 t0 = tcg_temp_new_i32();
tcg_gen_trunc_tl_i32(t0, arg1);
tcg_gen_bswap16_i32(t0, t0);
tcg_gen_extu_i32_tl(arg1, t0);
tcg_temp_free_i32(t0);
#else
tcg_gen_bswap16_i32(arg1, arg1);
#endif
}
}
GEN_LDX(lhbr, ld16ur, 0x16, 0x18, PPC_INTEGER);
/* lwbrx */
static void always_inline gen_qemu_ld32ur(DisasContext *ctx, TCGv arg1, TCGv arg2)
{
tcg_gen_qemu_ld32u(arg1, arg2, ctx->mem_idx);
if (likely(!ctx->le_mode)) {
#if defined(TARGET_PPC64)
TCGv_i32 t0 = tcg_temp_new_i32();
tcg_gen_trunc_tl_i32(t0, arg1);
tcg_gen_bswap_i32(t0, t0);
tcg_gen_extu_i32_tl(arg1, t0);
tcg_temp_free_i32(t0);
#else
tcg_gen_bswap_i32(arg1, arg1);
#endif
}
}
GEN_LDX(lwbr, ld32ur, 0x16, 0x10, PPC_INTEGER);
/* sthbrx */
static void always_inline gen_qemu_st16r(DisasContext *ctx, TCGv arg1, TCGv arg2)
{
if (likely(!ctx->le_mode)) {
#if defined(TARGET_PPC64)
TCGv_i32 t0;
TCGv t1;
t0 = tcg_temp_new_i32();
tcg_gen_trunc_tl_i32(t0, arg1);
tcg_gen_ext16u_i32(t0, t0);
tcg_gen_bswap16_i32(t0, t0);
t1 = tcg_temp_new();
tcg_gen_extu_i32_tl(t1, t0);
tcg_temp_free_i32(t0);
tcg_gen_qemu_st16(t1, arg2, ctx->mem_idx);
tcg_temp_free(t1);
#else
TCGv t0 = tcg_temp_new();
tcg_gen_ext16u_tl(t0, arg1);
tcg_gen_bswap16_i32(t0, t0);
tcg_gen_qemu_st16(t0, arg2, ctx->mem_idx);
tcg_temp_free(t0);
#endif
} else {
tcg_gen_qemu_st16(arg1, arg2, ctx->mem_idx);
}
}
GEN_STX(sthbr, st16r, 0x16, 0x1C, PPC_INTEGER);
/* stwbrx */
static void always_inline gen_qemu_st32r(DisasContext *ctx, TCGv arg1, TCGv arg2)
{
if (likely(!ctx->le_mode)) {
#if defined(TARGET_PPC64)
TCGv_i32 t0;
TCGv t1;
t0 = tcg_temp_new_i32();
tcg_gen_trunc_tl_i32(t0, arg1);
tcg_gen_bswap_i32(t0, t0);
t1 = tcg_temp_new();
tcg_gen_extu_i32_tl(t1, t0);
tcg_temp_free_i32(t0);
tcg_gen_qemu_st32(t1, arg2, ctx->mem_idx);
tcg_temp_free(t1);
#else
TCGv t0 = tcg_temp_new_i32();
tcg_gen_bswap_i32(t0, arg1);
tcg_gen_qemu_st32(t0, arg2, ctx->mem_idx);
tcg_temp_free(t0);
#endif
} else {
tcg_gen_qemu_st32(arg1, arg2, ctx->mem_idx);
}
}
GEN_STX(stwbr, st32r, 0x16, 0x14, PPC_INTEGER);
/*** Integer load and store multiple ***/
/* lmw */
GEN_HANDLER(lmw, 0x2E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
{
TCGv t0;
TCGv_i32 t1;
gen_set_access_type(ctx, ACCESS_INT);
/* NIP cannot be restored if the memory exception comes from an helper */
gen_update_nip(ctx, ctx->nip - 4);
t0 = tcg_temp_new();
t1 = tcg_const_i32(rD(ctx->opcode));
gen_addr_imm_index(ctx, t0, 0);
gen_helper_lmw(t0, t1);
tcg_temp_free(t0);
tcg_temp_free_i32(t1);
}
/* stmw */
GEN_HANDLER(stmw, 0x2F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER)
{
TCGv t0;
TCGv_i32 t1;
gen_set_access_type(ctx, ACCESS_INT);
/* NIP cannot be restored if the memory exception comes from an helper */
gen_update_nip(ctx, ctx->nip - 4);
t0 = tcg_temp_new();
t1 = tcg_const_i32(rS(ctx->opcode));
gen_addr_imm_index(ctx, t0, 0);
gen_helper_stmw(t0, t1);
tcg_temp_free(t0);
tcg_temp_free_i32(t1);
}
/*** Integer load and store strings ***/
/* lswi */
/* PowerPC32 specification says we must generate an exception if
* rA is in the range of registers to be loaded.
* In an other hand, IBM says this is valid, but rA won't be loaded.
* For now, I'll follow the spec...
*/
GEN_HANDLER(lswi, 0x1F, 0x15, 0x12, 0x00000001, PPC_STRING)
{
TCGv t0;
TCGv_i32 t1, t2;
int nb = NB(ctx->opcode);
int start = rD(ctx->opcode);
int ra = rA(ctx->opcode);
int nr;
if (nb == 0)
nb = 32;
nr = nb / 4;
if (unlikely(((start + nr) > 32 &&
start <= ra && (start + nr - 32) > ra) ||
((start + nr) <= 32 && start <= ra && (start + nr) > ra))) {
gen_inval_exception(ctx, POWERPC_EXCP_INVAL_LSWX);
return;
}
gen_set_access_type(ctx, ACCESS_INT);
/* NIP cannot be restored if the memory exception comes from an helper */
gen_update_nip(ctx, ctx->nip - 4);
t0 = tcg_temp_new();
gen_addr_register(ctx, t0);
t1 = tcg_const_i32(nb);
t2 = tcg_const_i32(start);
gen_helper_lsw(t0, t1, t2);
tcg_temp_free(t0);
tcg_temp_free_i32(t1);
tcg_temp_free_i32(t2);
}
/* lswx */
GEN_HANDLER(lswx, 0x1F, 0x15, 0x10, 0x00000001, PPC_STRING)
{
TCGv t0;
TCGv_i32 t1, t2, t3;
gen_set_access_type(ctx, ACCESS_INT);
/* NIP cannot be restored if the memory exception comes from an helper */
gen_update_nip(ctx, ctx->nip - 4);
t0 = tcg_temp_new();
gen_addr_reg_index(ctx, t0);
t1 = tcg_const_i32(rD(ctx->opcode));
t2 = tcg_const_i32(rA(ctx->opcode));
t3 = tcg_const_i32(rB(ctx->opcode));
gen_helper_lswx(t0, t1, t2, t3);
tcg_temp_free(t0);
tcg_temp_free_i32(t1);
tcg_temp_free_i32(t2);
tcg_temp_free_i32(t3);
}
/* stswi */
GEN_HANDLER(stswi, 0x1F, 0x15, 0x16, 0x00000001, PPC_STRING)
{
TCGv t0;
TCGv_i32 t1, t2;
int nb = NB(ctx->opcode);
gen_set_access_type(ctx, ACCESS_INT);
/* NIP cannot be restored if the memory exception comes from an helper */
gen_update_nip(ctx, ctx->nip - 4);
t0 = tcg_temp_new();
gen_addr_register(ctx, t0);
if (nb == 0)
nb = 32;
t1 = tcg_const_i32(nb);
t2 = tcg_const_i32(rS(ctx->opcode));
gen_helper_stsw(t0, t1, t2);
tcg_temp_free(t0);
tcg_temp_free_i32(t1);
tcg_temp_free_i32(t2);
}
/* stswx */
GEN_HANDLER(stswx, 0x1F, 0x15, 0x14, 0x00000001, PPC_STRING)
{
TCGv t0;
TCGv_i32 t1, t2;
gen_set_access_type(ctx, ACCESS_INT);
/* NIP cannot be restored if the memory exception comes from an helper */
gen_update_nip(ctx, ctx->nip - 4);
t0 = tcg_temp_new();
gen_addr_reg_index(ctx, t0);
t1 = tcg_temp_new_i32();
tcg_gen_trunc_tl_i32(t1, cpu_xer);
tcg_gen_andi_i32(t1, t1, 0x7F);
t2 = tcg_const_i32(rS(ctx->opcode));
gen_helper_stsw(t0, t1, t2);
tcg_temp_free(t0);
tcg_temp_free_i32(t1);
tcg_temp_free_i32(t2);
}
/*** Memory synchronisation ***/
/* eieio */
GEN_HANDLER(eieio, 0x1F, 0x16, 0x1A, 0x03FFF801, PPC_MEM_EIEIO)
{
}
/* isync */
GEN_HANDLER(isync, 0x13, 0x16, 0x04, 0x03FFF801, PPC_MEM)
{
gen_stop_exception(ctx);
}
/* lwarx */
GEN_HANDLER(lwarx, 0x1F, 0x14, 0x00, 0x00000001, PPC_RES)
{
TCGv t0;
gen_set_access_type(ctx, ACCESS_RES);
t0 = tcg_temp_local_new();
gen_addr_reg_index(ctx, t0);
gen_check_align(ctx, t0, 0x03);
gen_qemu_ld32u(ctx, cpu_gpr[rD(ctx->opcode)], t0);
tcg_gen_mov_tl(cpu_reserve, t0);
tcg_temp_free(t0);
}
/* stwcx. */
GEN_HANDLER2(stwcx_, "stwcx.", 0x1F, 0x16, 0x04, 0x00000000, PPC_RES)
{
int l1;
TCGv t0;
gen_set_access_type(ctx, ACCESS_RES);
t0 = tcg_temp_local_new();
gen_addr_reg_index(ctx, t0);
gen_check_align(ctx, t0, 0x03);
tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_xer);
tcg_gen_shri_i32(cpu_crf[0], cpu_crf[0], XER_SO);
tcg_gen_andi_i32(cpu_crf[0], cpu_crf[0], 1);
l1 = gen_new_label();
tcg_gen_brcond_tl(TCG_COND_NE, t0, cpu_reserve, l1);
tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 1 << CRF_EQ);
gen_qemu_st32(ctx, cpu_gpr[rS(ctx->opcode)], t0);
gen_set_label(l1);
tcg_gen_movi_tl(cpu_reserve, -1);
tcg_temp_free(t0);
}
#if defined(TARGET_PPC64)
/* ldarx */
GEN_HANDLER(ldarx, 0x1F, 0x14, 0x02, 0x00000001, PPC_64B)
{
TCGv t0;
gen_set_access_type(ctx, ACCESS_RES);
t0 = tcg_temp_local_new();
gen_addr_reg_index(ctx, t0);
gen_check_align(ctx, t0, 0x07);
gen_qemu_ld64(ctx, cpu_gpr[rD(ctx->opcode)], t0);
tcg_gen_mov_tl(cpu_reserve, t0);
tcg_temp_free(t0);
}
/* stdcx. */
GEN_HANDLER2(stdcx_, "stdcx.", 0x1F, 0x16, 0x06, 0x00000000, PPC_64B)
{
int l1;
TCGv t0;
gen_set_access_type(ctx, ACCESS_RES);
t0 = tcg_temp_local_new();
gen_addr_reg_index(ctx, t0);
gen_check_align(ctx, t0, 0x07);
tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_xer);
tcg_gen_shri_i32(cpu_crf[0], cpu_crf[0], XER_SO);
tcg_gen_andi_i32(cpu_crf[0], cpu_crf[0], 1);
l1 = gen_new_label();
tcg_gen_brcond_tl(TCG_COND_NE, t0, cpu_reserve, l1);
tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 1 << CRF_EQ);
gen_qemu_st64(ctx, cpu_gpr[rS(ctx->opcode)], t0);
gen_set_label(l1);
tcg_gen_movi_tl(cpu_reserve, -1);
tcg_temp_free(t0);
}
#endif /* defined(TARGET_PPC64) */
/* sync */
GEN_HANDLER(sync, 0x1F, 0x16, 0x12, 0x039FF801, PPC_MEM_SYNC)
{
}
/* wait */
GEN_HANDLER(wait, 0x1F, 0x1E, 0x01, 0x03FFF801, PPC_WAIT)
{
TCGv_i32 t0 = tcg_temp_new_i32();
tcg_gen_st_i32(t0, cpu_env, offsetof(CPUState, halted));
tcg_temp_free_i32(t0);
/* Stop translation, as the CPU is supposed to sleep from now */
gen_exception_err(ctx, EXCP_HLT, 1);
}
/*** Floating-point load ***/
#define GEN_LDF(name, ldop, opc, type) \
GEN_HANDLER(name, opc, 0xFF, 0xFF, 0x00000000, type) \
{ \
TCGv EA; \
if (unlikely(!ctx->fpu_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_FPU); \
return; \
} \
gen_set_access_type(ctx, ACCESS_FLOAT); \
EA = tcg_temp_new(); \
gen_addr_imm_index(ctx, EA, 0); \
gen_qemu_##ldop(ctx, cpu_fpr[rD(ctx->opcode)], EA); \
tcg_temp_free(EA); \
}
#define GEN_LDUF(name, ldop, opc, type) \
GEN_HANDLER(name##u, opc, 0xFF, 0xFF, 0x00000000, type) \
{ \
TCGv EA; \
if (unlikely(!ctx->fpu_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_FPU); \
return; \
} \
if (unlikely(rA(ctx->opcode) == 0)) { \
gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \
return; \
} \
gen_set_access_type(ctx, ACCESS_FLOAT); \
EA = tcg_temp_new(); \
gen_addr_imm_index(ctx, EA, 0); \
gen_qemu_##ldop(ctx, cpu_fpr[rD(ctx->opcode)], EA); \
tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \
tcg_temp_free(EA); \
}
#define GEN_LDUXF(name, ldop, opc, type) \
GEN_HANDLER(name##ux, 0x1F, 0x17, opc, 0x00000001, type) \
{ \
TCGv EA; \
if (unlikely(!ctx->fpu_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_FPU); \
return; \
} \
if (unlikely(rA(ctx->opcode) == 0)) { \
gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \
return; \
} \
gen_set_access_type(ctx, ACCESS_FLOAT); \
EA = tcg_temp_new(); \
gen_addr_reg_index(ctx, EA); \
gen_qemu_##ldop(ctx, cpu_fpr[rD(ctx->opcode)], EA); \
tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \
tcg_temp_free(EA); \
}
#define GEN_LDXF(name, ldop, opc2, opc3, type) \
GEN_HANDLER(name##x, 0x1F, opc2, opc3, 0x00000001, type) \
{ \
TCGv EA; \
if (unlikely(!ctx->fpu_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_FPU); \
return; \
} \
gen_set_access_type(ctx, ACCESS_FLOAT); \
EA = tcg_temp_new(); \
gen_addr_reg_index(ctx, EA); \
gen_qemu_##ldop(ctx, cpu_fpr[rD(ctx->opcode)], EA); \
tcg_temp_free(EA); \
}
#define GEN_LDFS(name, ldop, op, type) \
GEN_LDF(name, ldop, op | 0x20, type); \
GEN_LDUF(name, ldop, op | 0x21, type); \
GEN_LDUXF(name, ldop, op | 0x01, type); \
GEN_LDXF(name, ldop, 0x17, op | 0x00, type)
static always_inline void gen_qemu_ld32fs(DisasContext *ctx, TCGv_i64 arg1, TCGv arg2)
{
TCGv t0 = tcg_temp_new();
TCGv_i32 t1 = tcg_temp_new_i32();
gen_qemu_ld32u(ctx, t0, arg2);
tcg_gen_trunc_tl_i32(t1, t0);
tcg_temp_free(t0);
gen_helper_float32_to_float64(arg1, t1);
tcg_temp_free_i32(t1);
}
/* lfd lfdu lfdux lfdx */
GEN_LDFS(lfd, ld64, 0x12, PPC_FLOAT);
/* lfs lfsu lfsux lfsx */
GEN_LDFS(lfs, ld32fs, 0x10, PPC_FLOAT);
/*** Floating-point store ***/
#define GEN_STF(name, stop, opc, type) \
GEN_HANDLER(name, opc, 0xFF, 0xFF, 0x00000000, type) \
{ \
TCGv EA; \
if (unlikely(!ctx->fpu_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_FPU); \
return; \
} \
gen_set_access_type(ctx, ACCESS_FLOAT); \
EA = tcg_temp_new(); \
gen_addr_imm_index(ctx, EA, 0); \
gen_qemu_##stop(ctx, cpu_fpr[rS(ctx->opcode)], EA); \
tcg_temp_free(EA); \
}
#define GEN_STUF(name, stop, opc, type) \
GEN_HANDLER(name##u, opc, 0xFF, 0xFF, 0x00000000, type) \
{ \
TCGv EA; \
if (unlikely(!ctx->fpu_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_FPU); \
return; \
} \
if (unlikely(rA(ctx->opcode) == 0)) { \
gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \
return; \
} \
gen_set_access_type(ctx, ACCESS_FLOAT); \
EA = tcg_temp_new(); \
gen_addr_imm_index(ctx, EA, 0); \
gen_qemu_##stop(ctx, cpu_fpr[rS(ctx->opcode)], EA); \
tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \
tcg_temp_free(EA); \
}
#define GEN_STUXF(name, stop, opc, type) \
GEN_HANDLER(name##ux, 0x1F, 0x17, opc, 0x00000001, type) \
{ \
TCGv EA; \
if (unlikely(!ctx->fpu_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_FPU); \
return; \
} \
if (unlikely(rA(ctx->opcode) == 0)) { \
gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \
return; \
} \
gen_set_access_type(ctx, ACCESS_FLOAT); \
EA = tcg_temp_new(); \
gen_addr_reg_index(ctx, EA); \
gen_qemu_##stop(ctx, cpu_fpr[rS(ctx->opcode)], EA); \
tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \
tcg_temp_free(EA); \
}
#define GEN_STXF(name, stop, opc2, opc3, type) \
GEN_HANDLER(name##x, 0x1F, opc2, opc3, 0x00000001, type) \
{ \
TCGv EA; \
if (unlikely(!ctx->fpu_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_FPU); \
return; \
} \
gen_set_access_type(ctx, ACCESS_FLOAT); \
EA = tcg_temp_new(); \
gen_addr_reg_index(ctx, EA); \
gen_qemu_##stop(ctx, cpu_fpr[rS(ctx->opcode)], EA); \
tcg_temp_free(EA); \
}
#define GEN_STFS(name, stop, op, type) \
GEN_STF(name, stop, op | 0x20, type); \
GEN_STUF(name, stop, op | 0x21, type); \
GEN_STUXF(name, stop, op | 0x01, type); \
GEN_STXF(name, stop, 0x17, op | 0x00, type)
static always_inline void gen_qemu_st32fs(DisasContext *ctx, TCGv_i64 arg1, TCGv arg2)
{
TCGv_i32 t0 = tcg_temp_new_i32();
TCGv t1 = tcg_temp_new();
gen_helper_float64_to_float32(t0, arg1);
tcg_gen_extu_i32_tl(t1, t0);
tcg_temp_free_i32(t0);
gen_qemu_st32(ctx, t1, arg2);
tcg_temp_free(t1);
}
/* stfd stfdu stfdux stfdx */
GEN_STFS(stfd, st64, 0x16, PPC_FLOAT);
/* stfs stfsu stfsux stfsx */
GEN_STFS(stfs, st32fs, 0x14, PPC_FLOAT);
/* Optional: */
static always_inline void gen_qemu_st32fiw(DisasContext *ctx, TCGv_i64 arg1, TCGv arg2)
{
TCGv t0 = tcg_temp_new();
tcg_gen_trunc_i64_tl(t0, arg1),
gen_qemu_st32(ctx, t0, arg2);
tcg_temp_free(t0);
}
/* stfiwx */
GEN_STXF(stfiw, st32fiw, 0x17, 0x1E, PPC_FLOAT_STFIWX);
/*** Branch ***/
static always_inline void gen_goto_tb (DisasContext *ctx, int n,
target_ulong dest)
{
TranslationBlock *tb;
tb = ctx->tb;
#if defined(TARGET_PPC64)
if (!ctx->sf_mode)
dest = (uint32_t) dest;
#endif
if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK) &&
likely(!ctx->singlestep_enabled)) {
tcg_gen_goto_tb(n);
tcg_gen_movi_tl(cpu_nip, dest & ~3);
tcg_gen_exit_tb((long)tb + n);
} else {
tcg_gen_movi_tl(cpu_nip, dest & ~3);
if (unlikely(ctx->singlestep_enabled)) {
if ((ctx->singlestep_enabled &
(CPU_BRANCH_STEP | CPU_SINGLE_STEP)) &&
ctx->exception == POWERPC_EXCP_BRANCH) {
target_ulong tmp = ctx->nip;
ctx->nip = dest;
gen_exception(ctx, POWERPC_EXCP_TRACE);
ctx->nip = tmp;
}
if (ctx->singlestep_enabled & GDBSTUB_SINGLE_STEP) {
gen_debug_exception(ctx);
}
}
tcg_gen_exit_tb(0);
}
}
static always_inline void gen_setlr (DisasContext *ctx, target_ulong nip)
{
#if defined(TARGET_PPC64)
if (ctx->sf_mode == 0)
tcg_gen_movi_tl(cpu_lr, (uint32_t)nip);
else
#endif
tcg_gen_movi_tl(cpu_lr, nip);
}
/* b ba bl bla */
GEN_HANDLER(b, 0x12, 0xFF, 0xFF, 0x00000000, PPC_FLOW)
{
target_ulong li, target;
ctx->exception = POWERPC_EXCP_BRANCH;
/* sign extend LI */
#if defined(TARGET_PPC64)
if (ctx->sf_mode)
li = ((int64_t)LI(ctx->opcode) << 38) >> 38;
else
#endif
li = ((int32_t)LI(ctx->opcode) << 6) >> 6;
if (likely(AA(ctx->opcode) == 0))
target = ctx->nip + li - 4;
else
target = li;
if (LK(ctx->opcode))
gen_setlr(ctx, ctx->nip);
gen_goto_tb(ctx, 0, target);
}
#define BCOND_IM 0
#define BCOND_LR 1
#define BCOND_CTR 2
static always_inline void gen_bcond (DisasContext *ctx, int type)
{
uint32_t bo = BO(ctx->opcode);
int l1 = gen_new_label();
TCGv target;
ctx->exception = POWERPC_EXCP_BRANCH;
if (type == BCOND_LR || type == BCOND_CTR) {
target = tcg_temp_local_new();
if (type == BCOND_CTR)
tcg_gen_mov_tl(target, cpu_ctr);
else
tcg_gen_mov_tl(target, cpu_lr);
}
if (LK(ctx->opcode))
gen_setlr(ctx, ctx->nip);
l1 = gen_new_label();
if ((bo & 0x4) == 0) {
/* Decrement and test CTR */
TCGv temp = tcg_temp_new();
if (unlikely(type == BCOND_CTR)) {
gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
return;
}
tcg_gen_subi_tl(cpu_ctr, cpu_ctr, 1);
#if defined(TARGET_PPC64)
if (!ctx->sf_mode)
tcg_gen_ext32u_tl(temp, cpu_ctr);
else
#endif
tcg_gen_mov_tl(temp, cpu_ctr);
if (bo & 0x2) {
tcg_gen_brcondi_tl(TCG_COND_NE, temp, 0, l1);
} else {
tcg_gen_brcondi_tl(TCG_COND_EQ, temp, 0, l1);
}
tcg_temp_free(temp);
}
if ((bo & 0x10) == 0) {
/* Test CR */
uint32_t bi = BI(ctx->opcode);
uint32_t mask = 1 << (3 - (bi & 0x03));
TCGv_i32 temp = tcg_temp_new_i32();
if (bo & 0x8) {
tcg_gen_andi_i32(temp, cpu_crf[bi >> 2], mask);
tcg_gen_brcondi_i32(TCG_COND_EQ, temp, 0, l1);
} else {
tcg_gen_andi_i32(temp, cpu_crf[bi >> 2], mask);
tcg_gen_brcondi_i32(TCG_COND_NE, temp, 0, l1);
}
tcg_temp_free_i32(temp);
}
if (type == BCOND_IM) {
target_ulong li = (target_long)((int16_t)(BD(ctx->opcode)));
if (likely(AA(ctx->opcode) == 0)) {
gen_goto_tb(ctx, 0, ctx->nip + li - 4);
} else {
gen_goto_tb(ctx, 0, li);
}
gen_set_label(l1);
gen_goto_tb(ctx, 1, ctx->nip);
} else {
#if defined(TARGET_PPC64)
if (!(ctx->sf_mode))
tcg_gen_andi_tl(cpu_nip, target, (uint32_t)~3);
else
#endif
tcg_gen_andi_tl(cpu_nip, target, ~3);
if (ctx->singlestep_enabled & GDBSTUB_SINGLE_STEP)
gen_debug_exception(ctx);
tcg_gen_exit_tb(0);
gen_set_label(l1);
#if defined(TARGET_PPC64)
if (!(ctx->sf_mode))
tcg_gen_movi_tl(cpu_nip, (uint32_t)ctx->nip);
else
#endif
tcg_gen_movi_tl(cpu_nip, ctx->nip);
if (ctx->singlestep_enabled & GDBSTUB_SINGLE_STEP)
gen_debug_exception(ctx);
tcg_gen_exit_tb(0);
}
}
GEN_HANDLER(bc, 0x10, 0xFF, 0xFF, 0x00000000, PPC_FLOW)
{
gen_bcond(ctx, BCOND_IM);
}
GEN_HANDLER(bcctr, 0x13, 0x10, 0x10, 0x00000000, PPC_FLOW)
{
gen_bcond(ctx, BCOND_CTR);
}
GEN_HANDLER(bclr, 0x13, 0x10, 0x00, 0x00000000, PPC_FLOW)
{
gen_bcond(ctx, BCOND_LR);
}
/*** Condition register logical ***/
#define GEN_CRLOGIC(name, tcg_op, opc) \
GEN_HANDLER(name, 0x13, 0x01, opc, 0x00000001, PPC_INTEGER) \
{ \
uint8_t bitmask; \
int sh; \
TCGv_i32 t0, t1; \
sh = (crbD(ctx->opcode) & 0x03) - (crbA(ctx->opcode) & 0x03); \
t0 = tcg_temp_new_i32(); \
if (sh > 0) \
tcg_gen_shri_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2], sh); \
else if (sh < 0) \
tcg_gen_shli_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2], -sh); \
else \
tcg_gen_mov_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2]); \
t1 = tcg_temp_new_i32(); \
sh = (crbD(ctx->opcode) & 0x03) - (crbB(ctx->opcode) & 0x03); \
if (sh > 0) \
tcg_gen_shri_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2], sh); \
else if (sh < 0) \
tcg_gen_shli_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2], -sh); \
else \
tcg_gen_mov_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2]); \
tcg_op(t0, t0, t1); \
bitmask = 1 << (3 - (crbD(ctx->opcode) & 0x03)); \
tcg_gen_andi_i32(t0, t0, bitmask); \
tcg_gen_andi_i32(t1, cpu_crf[crbD(ctx->opcode) >> 2], ~bitmask); \
tcg_gen_or_i32(cpu_crf[crbD(ctx->opcode) >> 2], t0, t1); \
tcg_temp_free_i32(t0); \
tcg_temp_free_i32(t1); \
}
/* crand */
GEN_CRLOGIC(crand, tcg_gen_and_i32, 0x08);
/* crandc */
GEN_CRLOGIC(crandc, tcg_gen_andc_i32, 0x04);
/* creqv */
GEN_CRLOGIC(creqv, tcg_gen_eqv_i32, 0x09);
/* crnand */
GEN_CRLOGIC(crnand, tcg_gen_nand_i32, 0x07);
/* crnor */
GEN_CRLOGIC(crnor, tcg_gen_nor_i32, 0x01);
/* cror */
GEN_CRLOGIC(cror, tcg_gen_or_i32, 0x0E);
/* crorc */
GEN_CRLOGIC(crorc, tcg_gen_orc_i32, 0x0D);
/* crxor */
GEN_CRLOGIC(crxor, tcg_gen_xor_i32, 0x06);
/* mcrf */
GEN_HANDLER(mcrf, 0x13, 0x00, 0xFF, 0x00000001, PPC_INTEGER)
{
tcg_gen_mov_i32(cpu_crf[crfD(ctx->opcode)], cpu_crf[crfS(ctx->opcode)]);
}
/*** System linkage ***/
/* rfi (mem_idx only) */
GEN_HANDLER(rfi, 0x13, 0x12, 0x01, 0x03FF8001, PPC_FLOW)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
/* Restore CPU state */
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
gen_helper_rfi();
gen_sync_exception(ctx);
#endif
}
#if defined(TARGET_PPC64)
GEN_HANDLER(rfid, 0x13, 0x12, 0x00, 0x03FF8001, PPC_64B)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
/* Restore CPU state */
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
gen_helper_rfid();
gen_sync_exception(ctx);
#endif
}
GEN_HANDLER(hrfid, 0x13, 0x12, 0x08, 0x03FF8001, PPC_64H)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
/* Restore CPU state */
if (unlikely(ctx->mem_idx <= 1)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
gen_helper_hrfid();
gen_sync_exception(ctx);
#endif
}
#endif
/* sc */
#if defined(CONFIG_USER_ONLY)
#define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL_USER
#else
#define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL
#endif
GEN_HANDLER(sc, 0x11, 0xFF, 0xFF, 0x03FFF01D, PPC_FLOW)
{
uint32_t lev;
lev = (ctx->opcode >> 5) & 0x7F;
gen_exception_err(ctx, POWERPC_SYSCALL, lev);
}
/*** Trap ***/
/* tw */
GEN_HANDLER(tw, 0x1F, 0x04, 0x00, 0x00000001, PPC_FLOW)
{
TCGv_i32 t0 = tcg_const_i32(TO(ctx->opcode));
/* Update the nip since this might generate a trap exception */
gen_update_nip(ctx, ctx->nip);
gen_helper_tw(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0);
tcg_temp_free_i32(t0);
}
/* twi */
GEN_HANDLER(twi, 0x03, 0xFF, 0xFF, 0x00000000, PPC_FLOW)
{
TCGv t0 = tcg_const_tl(SIMM(ctx->opcode));
TCGv_i32 t1 = tcg_const_i32(TO(ctx->opcode));
/* Update the nip since this might generate a trap exception */
gen_update_nip(ctx, ctx->nip);
gen_helper_tw(cpu_gpr[rA(ctx->opcode)], t0, t1);
tcg_temp_free(t0);
tcg_temp_free_i32(t1);
}
#if defined(TARGET_PPC64)
/* td */
GEN_HANDLER(td, 0x1F, 0x04, 0x02, 0x00000001, PPC_64B)
{
TCGv_i32 t0 = tcg_const_i32(TO(ctx->opcode));
/* Update the nip since this might generate a trap exception */
gen_update_nip(ctx, ctx->nip);
gen_helper_td(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0);
tcg_temp_free_i32(t0);
}
/* tdi */
GEN_HANDLER(tdi, 0x02, 0xFF, 0xFF, 0x00000000, PPC_64B)
{
TCGv t0 = tcg_const_tl(SIMM(ctx->opcode));
TCGv_i32 t1 = tcg_const_i32(TO(ctx->opcode));
/* Update the nip since this might generate a trap exception */
gen_update_nip(ctx, ctx->nip);
gen_helper_td(cpu_gpr[rA(ctx->opcode)], t0, t1);
tcg_temp_free(t0);
tcg_temp_free_i32(t1);
}
#endif
/*** Processor control ***/
/* mcrxr */
GEN_HANDLER(mcrxr, 0x1F, 0x00, 0x10, 0x007FF801, PPC_MISC)
{
tcg_gen_trunc_tl_i32(cpu_crf[crfD(ctx->opcode)], cpu_xer);
tcg_gen_shri_i32(cpu_crf[crfD(ctx->opcode)], cpu_crf[crfD(ctx->opcode)], XER_CA);
tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_SO | 1 << XER_OV | 1 << XER_CA));
}
/* mfcr */
GEN_HANDLER(mfcr, 0x1F, 0x13, 0x00, 0x00000801, PPC_MISC)
{
uint32_t crm, crn;
if (likely(ctx->opcode & 0x00100000)) {
crm = CRM(ctx->opcode);
if (likely((crm ^ (crm - 1)) == 0)) {
crn = ffs(crm);
tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], cpu_crf[7 - crn]);
}
} else {
gen_helper_load_cr(cpu_gpr[rD(ctx->opcode)]);
}
}
/* mfmsr */
GEN_HANDLER(mfmsr, 0x1F, 0x13, 0x02, 0x001FF801, PPC_MISC)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
#else
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
return;
}
tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_msr);
#endif
}
#if 1
#define SPR_NOACCESS ((void *)(-1UL))
#else
static void spr_noaccess (void *opaque, int sprn)
{
sprn = ((sprn >> 5) & 0x1F) | ((sprn & 0x1F) << 5);
printf("ERROR: try to access SPR %d !\n", sprn);
}
#define SPR_NOACCESS (&spr_noaccess)
#endif
/* mfspr */
static always_inline void gen_op_mfspr (DisasContext *ctx)
{
void (*read_cb)(void *opaque, int gprn, int sprn);
uint32_t sprn = SPR(ctx->opcode);
#if !defined(CONFIG_USER_ONLY)
if (ctx->mem_idx == 2)
read_cb = ctx->spr_cb[sprn].hea_read;
else if (ctx->mem_idx)
read_cb = ctx->spr_cb[sprn].oea_read;
else
#endif
read_cb = ctx->spr_cb[sprn].uea_read;
if (likely(read_cb != NULL)) {
if (likely(read_cb != SPR_NOACCESS)) {
(*read_cb)(ctx, rD(ctx->opcode), sprn);
} else {
/* Privilege exception */
/* This is a hack to avoid warnings when running Linux:
* this OS breaks the PowerPC virtualisation model,
* allowing userland application to read the PVR
*/
if (sprn != SPR_PVR) {
if (loglevel != 0) {
fprintf(logfile, "Trying to read privileged spr %d %03x at "
ADDRX "\n", sprn, sprn, ctx->nip);
}
printf("Trying to read privileged spr %d %03x at " ADDRX "\n",
sprn, sprn, ctx->nip);
}
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
}
} else {
/* Not defined */
if (loglevel != 0) {
fprintf(logfile, "Trying to read invalid spr %d %03x at "
ADDRX "\n", sprn, sprn, ctx->nip);
}
printf("Trying to read invalid spr %d %03x at " ADDRX "\n",
sprn, sprn, ctx->nip);
gen_inval_exception(ctx, POWERPC_EXCP_INVAL_SPR);
}
}
GEN_HANDLER(mfspr, 0x1F, 0x13, 0x0A, 0x00000001, PPC_MISC)
{
gen_op_mfspr(ctx);
}
/* mftb */
GEN_HANDLER(mftb, 0x1F, 0x13, 0x0B, 0x00000001, PPC_MFTB)
{
gen_op_mfspr(ctx);
}
/* mtcrf */
GEN_HANDLER(mtcrf, 0x1F, 0x10, 0x04, 0x00000801, PPC_MISC)
{
uint32_t crm, crn;
crm = CRM(ctx->opcode);
if (likely((ctx->opcode & 0x00100000) || (crm ^ (crm - 1)) == 0)) {
TCGv_i32 temp = tcg_temp_new_i32();
crn = ffs(crm);
tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]);
tcg_gen_shri_i32(cpu_crf[7 - crn], temp, crn * 4);
tcg_gen_andi_i32(cpu_crf[7 - crn], cpu_crf[7 - crn], 0xf);
tcg_temp_free_i32(temp);
} else {
TCGv_i32 temp = tcg_const_i32(crm);
gen_helper_store_cr(cpu_gpr[rS(ctx->opcode)], temp);
tcg_temp_free_i32(temp);
}
}
/* mtmsr */
#if defined(TARGET_PPC64)
GEN_HANDLER(mtmsrd, 0x1F, 0x12, 0x05, 0x001EF801, PPC_64B)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
#else
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
return;
}
if (ctx->opcode & 0x00010000) {
/* Special form that does not need any synchronisation */
TCGv t0 = tcg_temp_new();
tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)], (1 << MSR_RI) | (1 << MSR_EE));
tcg_gen_andi_tl(cpu_msr, cpu_msr, ~((1 << MSR_RI) | (1 << MSR_EE)));
tcg_gen_or_tl(cpu_msr, cpu_msr, t0);
tcg_temp_free(t0);
} else {
/* XXX: we need to update nip before the store
* if we enter power saving mode, we will exit the loop
* directly from ppc_store_msr
*/
gen_update_nip(ctx, ctx->nip);
gen_helper_store_msr(cpu_gpr[rS(ctx->opcode)]);
/* Must stop the translation as machine state (may have) changed */
/* Note that mtmsr is not always defined as context-synchronizing */
gen_stop_exception(ctx);
}
#endif
}
#endif
GEN_HANDLER(mtmsr, 0x1F, 0x12, 0x04, 0x001FF801, PPC_MISC)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
#else
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
return;
}
if (ctx->opcode & 0x00010000) {
/* Special form that does not need any synchronisation */
TCGv t0 = tcg_temp_new();
tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)], (1 << MSR_RI) | (1 << MSR_EE));
tcg_gen_andi_tl(cpu_msr, cpu_msr, ~((1 << MSR_RI) | (1 << MSR_EE)));
tcg_gen_or_tl(cpu_msr, cpu_msr, t0);
tcg_temp_free(t0);
} else {
/* XXX: we need to update nip before the store
* if we enter power saving mode, we will exit the loop
* directly from ppc_store_msr
*/
gen_update_nip(ctx, ctx->nip);
#if defined(TARGET_PPC64)
if (!ctx->sf_mode) {
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
tcg_gen_andi_tl(t0, cpu_msr, 0xFFFFFFFF00000000ULL);
tcg_gen_ext32u_tl(t1, cpu_gpr[rS(ctx->opcode)]);
tcg_gen_or_tl(t0, t0, t1);
tcg_temp_free(t1);
gen_helper_store_msr(t0);
tcg_temp_free(t0);
} else
#endif
gen_helper_store_msr(cpu_gpr[rS(ctx->opcode)]);
/* Must stop the translation as machine state (may have) changed */
/* Note that mtmsr is not always defined as context-synchronizing */
gen_stop_exception(ctx);
}
#endif
}
/* mtspr */
GEN_HANDLER(mtspr, 0x1F, 0x13, 0x0E, 0x00000001, PPC_MISC)
{
void (*write_cb)(void *opaque, int sprn, int gprn);
uint32_t sprn = SPR(ctx->opcode);
#if !defined(CONFIG_USER_ONLY)
if (ctx->mem_idx == 2)
write_cb = ctx->spr_cb[sprn].hea_write;
else if (ctx->mem_idx)
write_cb = ctx->spr_cb[sprn].oea_write;
else
#endif
write_cb = ctx->spr_cb[sprn].uea_write;
if (likely(write_cb != NULL)) {
if (likely(write_cb != SPR_NOACCESS)) {
(*write_cb)(ctx, sprn, rS(ctx->opcode));
} else {
/* Privilege exception */
if (loglevel != 0) {
fprintf(logfile, "Trying to write privileged spr %d %03x at "
ADDRX "\n", sprn, sprn, ctx->nip);
}
printf("Trying to write privileged spr %d %03x at " ADDRX "\n",
sprn, sprn, ctx->nip);
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
}
} else {
/* Not defined */
if (loglevel != 0) {
fprintf(logfile, "Trying to write invalid spr %d %03x at "
ADDRX "\n", sprn, sprn, ctx->nip);
}
printf("Trying to write invalid spr %d %03x at " ADDRX "\n",
sprn, sprn, ctx->nip);
gen_inval_exception(ctx, POWERPC_EXCP_INVAL_SPR);
}
}
/*** Cache management ***/
/* dcbf */
GEN_HANDLER(dcbf, 0x1F, 0x16, 0x02, 0x03C00001, PPC_CACHE)
{
/* XXX: specification says this is treated as a load by the MMU */
TCGv t0;
gen_set_access_type(ctx, ACCESS_CACHE);
t0 = tcg_temp_new();
gen_addr_reg_index(ctx, t0);
gen_qemu_ld8u(ctx, t0, t0);
tcg_temp_free(t0);
}
/* dcbi (Supervisor only) */
GEN_HANDLER(dcbi, 0x1F, 0x16, 0x0E, 0x03E00001, PPC_CACHE)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
TCGv EA, val;
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
EA = tcg_temp_new();
gen_set_access_type(ctx, ACCESS_CACHE);
gen_addr_reg_index(ctx, EA);
val = tcg_temp_new();
/* XXX: specification says this should be treated as a store by the MMU */
gen_qemu_ld8u(ctx, val, EA);
gen_qemu_st8(ctx, val, EA);
tcg_temp_free(val);
tcg_temp_free(EA);
#endif
}
/* dcdst */
GEN_HANDLER(dcbst, 0x1F, 0x16, 0x01, 0x03E00001, PPC_CACHE)
{
/* XXX: specification say this is treated as a load by the MMU */
TCGv t0;
gen_set_access_type(ctx, ACCESS_CACHE);
t0 = tcg_temp_new();
gen_addr_reg_index(ctx, t0);
gen_qemu_ld8u(ctx, t0, t0);
tcg_temp_free(t0);
}
/* dcbt */
GEN_HANDLER(dcbt, 0x1F, 0x16, 0x08, 0x02000001, PPC_CACHE)
{
/* interpreted as no-op */
/* XXX: specification say this is treated as a load by the MMU
* but does not generate any exception
*/
}
/* dcbtst */
GEN_HANDLER(dcbtst, 0x1F, 0x16, 0x07, 0x02000001, PPC_CACHE)
{
/* interpreted as no-op */
/* XXX: specification say this is treated as a load by the MMU
* but does not generate any exception
*/
}
/* dcbz */
GEN_HANDLER(dcbz, 0x1F, 0x16, 0x1F, 0x03E00001, PPC_CACHE_DCBZ)
{
TCGv t0;
gen_set_access_type(ctx, ACCESS_CACHE);
/* NIP cannot be restored if the memory exception comes from an helper */
gen_update_nip(ctx, ctx->nip - 4);
t0 = tcg_temp_new();
gen_addr_reg_index(ctx, t0);
gen_helper_dcbz(t0);
tcg_temp_free(t0);
}
GEN_HANDLER2(dcbz_970, "dcbz", 0x1F, 0x16, 0x1F, 0x03C00001, PPC_CACHE_DCBZT)
{
TCGv t0;
gen_set_access_type(ctx, ACCESS_CACHE);
/* NIP cannot be restored if the memory exception comes from an helper */
gen_update_nip(ctx, ctx->nip - 4);
t0 = tcg_temp_new();
gen_addr_reg_index(ctx, t0);
if (ctx->opcode & 0x00200000)
gen_helper_dcbz(t0);
else
gen_helper_dcbz_970(t0);
tcg_temp_free(t0);
}
/* icbi */
GEN_HANDLER(icbi, 0x1F, 0x16, 0x1E, 0x03E00001, PPC_CACHE_ICBI)
{
TCGv t0;
gen_set_access_type(ctx, ACCESS_CACHE);
/* NIP cannot be restored if the memory exception comes from an helper */
gen_update_nip(ctx, ctx->nip - 4);
t0 = tcg_temp_new();
gen_addr_reg_index(ctx, t0);
gen_helper_icbi(t0);
tcg_temp_free(t0);
}
/* Optional: */
/* dcba */
GEN_HANDLER(dcba, 0x1F, 0x16, 0x17, 0x03E00001, PPC_CACHE_DCBA)
{
/* interpreted as no-op */
/* XXX: specification say this is treated as a store by the MMU
* but does not generate any exception
*/
}
/*** Segment register manipulation ***/
/* Supervisor only: */
/* mfsr */
GEN_HANDLER(mfsr, 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
#else
TCGv t0;
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
return;
}
t0 = tcg_const_tl(SR(ctx->opcode));
gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], t0);
tcg_temp_free(t0);
#endif
}
/* mfsrin */
GEN_HANDLER(mfsrin, 0x1F, 0x13, 0x14, 0x001F0001, PPC_SEGMENT)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
#else
TCGv t0;
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
return;
}
t0 = tcg_temp_new();
tcg_gen_shri_tl(t0, cpu_gpr[rB(ctx->opcode)], 28);
tcg_gen_andi_tl(t0, t0, 0xF);
gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], t0);
tcg_temp_free(t0);
#endif
}
/* mtsr */
GEN_HANDLER(mtsr, 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
#else
TCGv t0;
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
return;
}
t0 = tcg_const_tl(SR(ctx->opcode));
gen_helper_store_sr(t0, cpu_gpr[rS(ctx->opcode)]);
tcg_temp_free(t0);
#endif
}
/* mtsrin */
GEN_HANDLER(mtsrin, 0x1F, 0x12, 0x07, 0x001F0001, PPC_SEGMENT)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
#else
TCGv t0;
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
return;
}
t0 = tcg_temp_new();
tcg_gen_shri_tl(t0, cpu_gpr[rB(ctx->opcode)], 28);
tcg_gen_andi_tl(t0, t0, 0xF);
gen_helper_store_sr(t0, cpu_gpr[rD(ctx->opcode)]);
tcg_temp_free(t0);
#endif
}
#if defined(TARGET_PPC64)
/* Specific implementation for PowerPC 64 "bridge" emulation using SLB */
/* mfsr */
GEN_HANDLER2(mfsr_64b, "mfsr", 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT_64B)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
#else
TCGv t0;
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
return;
}
t0 = tcg_const_tl(SR(ctx->opcode));
gen_helper_load_slb(cpu_gpr[rD(ctx->opcode)], t0);
tcg_temp_free(t0);
#endif
}
/* mfsrin */
GEN_HANDLER2(mfsrin_64b, "mfsrin", 0x1F, 0x13, 0x14, 0x001F0001,
PPC_SEGMENT_64B)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
#else
TCGv t0;
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
return;
}
t0 = tcg_temp_new();
tcg_gen_shri_tl(t0, cpu_gpr[rB(ctx->opcode)], 28);
tcg_gen_andi_tl(t0, t0, 0xF);
gen_helper_load_slb(cpu_gpr[rD(ctx->opcode)], t0);
tcg_temp_free(t0);
#endif
}
/* mtsr */
GEN_HANDLER2(mtsr_64b, "mtsr", 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT_64B)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
#else
TCGv t0;
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
return;
}
t0 = tcg_const_tl(SR(ctx->opcode));
gen_helper_store_slb(t0, cpu_gpr[rS(ctx->opcode)]);
tcg_temp_free(t0);
#endif
}
/* mtsrin */
GEN_HANDLER2(mtsrin_64b, "mtsrin", 0x1F, 0x12, 0x07, 0x001F0001,
PPC_SEGMENT_64B)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
#else
TCGv t0;
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
return;
}
t0 = tcg_temp_new();
tcg_gen_shri_tl(t0, cpu_gpr[rB(ctx->opcode)], 28);
tcg_gen_andi_tl(t0, t0, 0xF);
gen_helper_store_slb(t0, cpu_gpr[rS(ctx->opcode)]);
tcg_temp_free(t0);
#endif
}
#endif /* defined(TARGET_PPC64) */
/*** Lookaside buffer management ***/
/* Optional & mem_idx only: */
/* tlbia */
GEN_HANDLER(tlbia, 0x1F, 0x12, 0x0B, 0x03FFFC01, PPC_MEM_TLBIA)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
gen_helper_tlbia();
#endif
}
/* tlbie */
GEN_HANDLER(tlbie, 0x1F, 0x12, 0x09, 0x03FF0001, PPC_MEM_TLBIE)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
#if defined(TARGET_PPC64)
if (!ctx->sf_mode) {
TCGv t0 = tcg_temp_new();
tcg_gen_ext32u_tl(t0, cpu_gpr[rB(ctx->opcode)]);
gen_helper_tlbie(t0);
tcg_temp_free(t0);
} else
#endif
gen_helper_tlbie(cpu_gpr[rB(ctx->opcode)]);
#endif
}
/* tlbsync */
GEN_HANDLER(tlbsync, 0x1F, 0x16, 0x11, 0x03FFF801, PPC_MEM_TLBSYNC)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
/* This has no effect: it should ensure that all previous
* tlbie have completed
*/
gen_stop_exception(ctx);
#endif
}
#if defined(TARGET_PPC64)
/* slbia */
GEN_HANDLER(slbia, 0x1F, 0x12, 0x0F, 0x03FFFC01, PPC_SLBI)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
gen_helper_slbia();
#endif
}
/* slbie */
GEN_HANDLER(slbie, 0x1F, 0x12, 0x0D, 0x03FF0001, PPC_SLBI)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
gen_helper_slbie(cpu_gpr[rB(ctx->opcode)]);
#endif
}
#endif
/*** External control ***/
/* Optional: */
/* eciwx */
GEN_HANDLER(eciwx, 0x1F, 0x16, 0x0D, 0x00000001, PPC_EXTERN)
{
TCGv t0;
/* Should check EAR[E] ! */
gen_set_access_type(ctx, ACCESS_EXT);
t0 = tcg_temp_new();
gen_addr_reg_index(ctx, t0);
gen_check_align(ctx, t0, 0x03);
gen_qemu_ld32u(ctx, cpu_gpr[rD(ctx->opcode)], t0);
tcg_temp_free(t0);
}
/* ecowx */
GEN_HANDLER(ecowx, 0x1F, 0x16, 0x09, 0x00000001, PPC_EXTERN)
{
TCGv t0;
/* Should check EAR[E] ! */
gen_set_access_type(ctx, ACCESS_EXT);
t0 = tcg_temp_new();
gen_addr_reg_index(ctx, t0);
gen_check_align(ctx, t0, 0x03);
gen_qemu_st32(ctx, cpu_gpr[rD(ctx->opcode)], t0);
tcg_temp_free(t0);
}
/* PowerPC 601 specific instructions */
/* abs - abs. */
GEN_HANDLER(abs, 0x1F, 0x08, 0x0B, 0x0000F800, PPC_POWER_BR)
{
int l1 = gen_new_label();
int l2 = gen_new_label();
tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rA(ctx->opcode)], 0, l1);
tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
tcg_gen_br(l2);
gen_set_label(l1);
tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
gen_set_label(l2);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}
/* abso - abso. */
GEN_HANDLER(abso, 0x1F, 0x08, 0x1B, 0x0000F800, PPC_POWER_BR)
{
int l1 = gen_new_label();
int l2 = gen_new_label();
int l3 = gen_new_label();
/* Start with XER OV disabled, the most likely case */
tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_OV));
tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rA(ctx->opcode)], 0, l2);
tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[rA(ctx->opcode)], 0x80000000, l1);
tcg_gen_ori_tl(cpu_xer, cpu_xer, (1 << XER_OV) | (1 << XER_SO));
tcg_gen_br(l2);
gen_set_label(l1);
tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
tcg_gen_br(l3);
gen_set_label(l2);
tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
gen_set_label(l3);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}
/* clcs */
GEN_HANDLER(clcs, 0x1F, 0x10, 0x13, 0x0000F800, PPC_POWER_BR)
{
TCGv_i32 t0 = tcg_const_i32(rA(ctx->opcode));
gen_helper_clcs(cpu_gpr[rD(ctx->opcode)], t0);
tcg_temp_free_i32(t0);
/* Rc=1 sets CR0 to an undefined state */
}
/* div - div. */
GEN_HANDLER(div, 0x1F, 0x0B, 0x0A, 0x00000000, PPC_POWER_BR)
{
gen_helper_div(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}
/* divo - divo. */
GEN_HANDLER(divo, 0x1F, 0x0B, 0x1A, 0x00000000, PPC_POWER_BR)
{
gen_helper_divo(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}
/* divs - divs. */
GEN_HANDLER(divs, 0x1F, 0x0B, 0x0B, 0x00000000, PPC_POWER_BR)
{
gen_helper_divs(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}
/* divso - divso. */
GEN_HANDLER(divso, 0x1F, 0x0B, 0x1B, 0x00000000, PPC_POWER_BR)
{
gen_helper_divso(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}
/* doz - doz. */
GEN_HANDLER(doz, 0x1F, 0x08, 0x08, 0x00000000, PPC_POWER_BR)
{
int l1 = gen_new_label();
int l2 = gen_new_label();
tcg_gen_brcond_tl(TCG_COND_GE, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], l1);
tcg_gen_sub_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
tcg_gen_br(l2);
gen_set_label(l1);
tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
gen_set_label(l2);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}
/* dozo - dozo. */
GEN_HANDLER(dozo, 0x1F, 0x08, 0x18, 0x00000000, PPC_POWER_BR)
{
int l1 = gen_new_label();
int l2 = gen_new_label();
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
TCGv t2 = tcg_temp_new();
/* Start with XER OV disabled, the most likely case */
tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_OV));
tcg_gen_brcond_tl(TCG_COND_GE, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], l1);
tcg_gen_sub_tl(t0, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
tcg_gen_xor_tl(t1, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
tcg_gen_xor_tl(t2, cpu_gpr[rA(ctx->opcode)], t0);
tcg_gen_andc_tl(t1, t1, t2);
tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], t0);
tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l2);
tcg_gen_ori_tl(cpu_xer, cpu_xer, (1 << XER_OV) | (1 << XER_SO));
tcg_gen_br(l2);
gen_set_label(l1);
tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
gen_set_label(l2);
tcg_temp_free(t0);
tcg_temp_free(t1);
tcg_temp_free(t2);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}
/* dozi */
GEN_HANDLER(dozi, 0x09, 0xFF, 0xFF, 0x00000000, PPC_POWER_BR)
{
target_long simm = SIMM(ctx->opcode);
int l1 = gen_new_label();
int l2 = gen_new_label();
tcg_gen_brcondi_tl(TCG_COND_LT, cpu_gpr[rA(ctx->opcode)], simm, l1);
tcg_gen_subfi_tl(cpu_gpr[rD(ctx->opcode)], simm, cpu_gpr[rA(ctx->opcode)]);
tcg_gen_br(l2);
gen_set_label(l1);
tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0);
gen_set_label(l2);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}
/* lscbx - lscbx. */
GEN_HANDLER(lscbx, 0x1F, 0x15, 0x08, 0x00000000, PPC_POWER_BR)
{
TCGv t0 = tcg_temp_new();
TCGv_i32 t1 = tcg_const_i32(rD(ctx->opcode));
TCGv_i32 t2 = tcg_const_i32(rA(ctx->opcode));
TCGv_i32 t3 = tcg_const_i32(rB(ctx->opcode));
gen_addr_reg_index(ctx, t0);
/* NIP cannot be restored if the memory exception comes from an helper */
gen_update_nip(ctx, ctx->nip - 4);
gen_helper_lscbx(t0, t0, t1, t2, t3);
tcg_temp_free_i32(t1);
tcg_temp_free_i32(t2);
tcg_temp_free_i32(t3);
tcg_gen_andi_tl(cpu_xer, cpu_xer, ~0x7F);
tcg_gen_or_tl(cpu_xer, cpu_xer, t0);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, t0);
tcg_temp_free(t0);
}
/* maskg - maskg. */
GEN_HANDLER(maskg, 0x1F, 0x1D, 0x00, 0x00000000, PPC_POWER_BR)
{
int l1 = gen_new_label();
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
TCGv t2 = tcg_temp_new();
TCGv t3 = tcg_temp_new();
tcg_gen_movi_tl(t3, 0xFFFFFFFF);
tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
tcg_gen_andi_tl(t1, cpu_gpr[rS(ctx->opcode)], 0x1F);
tcg_gen_addi_tl(t2, t0, 1);
tcg_gen_shr_tl(t2, t3, t2);
tcg_gen_shr_tl(t3, t3, t1);
tcg_gen_xor_tl(cpu_gpr[rA(ctx->opcode)], t2, t3);
tcg_gen_brcond_tl(TCG_COND_GE, t0, t1, l1);
tcg_gen_neg_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
gen_set_label(l1);
tcg_temp_free(t0);
tcg_temp_free(t1);
tcg_temp_free(t2);
tcg_temp_free(t3);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* maskir - maskir. */
GEN_HANDLER(maskir, 0x1F, 0x1D, 0x10, 0x00000000, PPC_POWER_BR)
{
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
tcg_gen_and_tl(t0, cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
tcg_gen_andc_tl(t1, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
tcg_temp_free(t0);
tcg_temp_free(t1);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* mul - mul. */
GEN_HANDLER(mul, 0x1F, 0x0B, 0x03, 0x00000000, PPC_POWER_BR)
{
TCGv_i64 t0 = tcg_temp_new_i64();
TCGv_i64 t1 = tcg_temp_new_i64();
TCGv t2 = tcg_temp_new();
tcg_gen_extu_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]);
tcg_gen_extu_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]);
tcg_gen_mul_i64(t0, t0, t1);
tcg_gen_trunc_i64_tl(t2, t0);
gen_store_spr(SPR_MQ, t2);
tcg_gen_shri_i64(t1, t0, 32);
tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t1);
tcg_temp_free_i64(t0);
tcg_temp_free_i64(t1);
tcg_temp_free(t2);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}
/* mulo - mulo. */
GEN_HANDLER(mulo, 0x1F, 0x0B, 0x13, 0x00000000, PPC_POWER_BR)
{
int l1 = gen_new_label();
TCGv_i64 t0 = tcg_temp_new_i64();
TCGv_i64 t1 = tcg_temp_new_i64();
TCGv t2 = tcg_temp_new();
/* Start with XER OV disabled, the most likely case */
tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_OV));
tcg_gen_extu_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]);
tcg_gen_extu_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]);
tcg_gen_mul_i64(t0, t0, t1);
tcg_gen_trunc_i64_tl(t2, t0);
gen_store_spr(SPR_MQ, t2);
tcg_gen_shri_i64(t1, t0, 32);
tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t1);
tcg_gen_ext32s_i64(t1, t0);
tcg_gen_brcond_i64(TCG_COND_EQ, t0, t1, l1);
tcg_gen_ori_tl(cpu_xer, cpu_xer, (1 << XER_OV) | (1 << XER_SO));
gen_set_label(l1);
tcg_temp_free_i64(t0);
tcg_temp_free_i64(t1);
tcg_temp_free(t2);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}
/* nabs - nabs. */
GEN_HANDLER(nabs, 0x1F, 0x08, 0x0F, 0x00000000, PPC_POWER_BR)
{
int l1 = gen_new_label();
int l2 = gen_new_label();
tcg_gen_brcondi_tl(TCG_COND_GT, cpu_gpr[rA(ctx->opcode)], 0, l1);
tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
tcg_gen_br(l2);
gen_set_label(l1);
tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
gen_set_label(l2);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}
/* nabso - nabso. */
GEN_HANDLER(nabso, 0x1F, 0x08, 0x1F, 0x00000000, PPC_POWER_BR)
{
int l1 = gen_new_label();
int l2 = gen_new_label();
tcg_gen_brcondi_tl(TCG_COND_GT, cpu_gpr[rA(ctx->opcode)], 0, l1);
tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
tcg_gen_br(l2);
gen_set_label(l1);
tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
gen_set_label(l2);
/* nabs never overflows */
tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_OV));
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]);
}
/* rlmi - rlmi. */
GEN_HANDLER(rlmi, 0x16, 0xFF, 0xFF, 0x00000000, PPC_POWER_BR)
{
uint32_t mb = MB(ctx->opcode);
uint32_t me = ME(ctx->opcode);
TCGv t0 = tcg_temp_new();
tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
tcg_gen_andi_tl(t0, t0, MASK(mb, me));
tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], ~MASK(mb, me));
tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], t0);
tcg_temp_free(t0);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* rrib - rrib. */
GEN_HANDLER(rrib, 0x1F, 0x19, 0x10, 0x00000000, PPC_POWER_BR)
{
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
tcg_gen_movi_tl(t1, 0x80000000);
tcg_gen_shr_tl(t1, t1, t0);
tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
tcg_gen_and_tl(t0, t0, t1);
tcg_gen_andc_tl(t1, cpu_gpr[rA(ctx->opcode)], t1);
tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
tcg_temp_free(t0);
tcg_temp_free(t1);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* sle - sle. */
GEN_HANDLER(sle, 0x1F, 0x19, 0x04, 0x00000000, PPC_POWER_BR)
{
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
tcg_gen_subfi_tl(t1, 32, t1);
tcg_gen_shr_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
tcg_gen_or_tl(t1, t0, t1);
tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
gen_store_spr(SPR_MQ, t1);
tcg_temp_free(t0);
tcg_temp_free(t1);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* sleq - sleq. */
GEN_HANDLER(sleq, 0x1F, 0x19, 0x06, 0x00000000, PPC_POWER_BR)
{
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
TCGv t2 = tcg_temp_new();
tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
tcg_gen_movi_tl(t2, 0xFFFFFFFF);
tcg_gen_shl_tl(t2, t2, t0);
tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
gen_load_spr(t1, SPR_MQ);
gen_store_spr(SPR_MQ, t0);
tcg_gen_and_tl(t0, t0, t2);
tcg_gen_andc_tl(t1, t1, t2);
tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
tcg_temp_free(t0);
tcg_temp_free(t1);
tcg_temp_free(t2);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* sliq - sliq. */
GEN_HANDLER(sliq, 0x1F, 0x18, 0x05, 0x00000000, PPC_POWER_BR)
{
int sh = SH(ctx->opcode);
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
tcg_gen_shli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
tcg_gen_shri_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
tcg_gen_or_tl(t1, t0, t1);
tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
gen_store_spr(SPR_MQ, t1);
tcg_temp_free(t0);
tcg_temp_free(t1);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* slliq - slliq. */
GEN_HANDLER(slliq, 0x1F, 0x18, 0x07, 0x00000000, PPC_POWER_BR)
{
int sh = SH(ctx->opcode);
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
tcg_gen_rotli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
gen_load_spr(t1, SPR_MQ);
gen_store_spr(SPR_MQ, t0);
tcg_gen_andi_tl(t0, t0, (0xFFFFFFFFU << sh));
tcg_gen_andi_tl(t1, t1, ~(0xFFFFFFFFU << sh));
tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
tcg_temp_free(t0);
tcg_temp_free(t1);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* sllq - sllq. */
GEN_HANDLER(sllq, 0x1F, 0x18, 0x06, 0x00000000, PPC_POWER_BR)
{
int l1 = gen_new_label();
int l2 = gen_new_label();
TCGv t0 = tcg_temp_local_new();
TCGv t1 = tcg_temp_local_new();
TCGv t2 = tcg_temp_local_new();
tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
tcg_gen_movi_tl(t1, 0xFFFFFFFF);
tcg_gen_shl_tl(t1, t1, t2);
tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
gen_load_spr(t0, SPR_MQ);
tcg_gen_and_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
tcg_gen_br(l2);
gen_set_label(l1);
tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
gen_load_spr(t2, SPR_MQ);
tcg_gen_andc_tl(t1, t2, t1);
tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
gen_set_label(l2);
tcg_temp_free(t0);
tcg_temp_free(t1);
tcg_temp_free(t2);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* slq - slq. */
GEN_HANDLER(slq, 0x1F, 0x18, 0x04, 0x00000000, PPC_POWER_BR)
{
int l1 = gen_new_label();
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
tcg_gen_subfi_tl(t1, 32, t1);
tcg_gen_shr_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
tcg_gen_or_tl(t1, t0, t1);
gen_store_spr(SPR_MQ, t1);
tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x20);
tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
gen_set_label(l1);
tcg_temp_free(t0);
tcg_temp_free(t1);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* sraiq - sraiq. */
GEN_HANDLER(sraiq, 0x1F, 0x18, 0x1D, 0x00000000, PPC_POWER_BR)
{
int sh = SH(ctx->opcode);
int l1 = gen_new_label();
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
tcg_gen_shli_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
tcg_gen_or_tl(t0, t0, t1);
gen_store_spr(SPR_MQ, t0);
tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_CA));
tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rS(ctx->opcode)], 0, l1);
tcg_gen_ori_tl(cpu_xer, cpu_xer, (1 << XER_CA));
gen_set_label(l1);
tcg_gen_sari_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], sh);
tcg_temp_free(t0);
tcg_temp_free(t1);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* sraq - sraq. */
GEN_HANDLER(sraq, 0x1F, 0x18, 0x1C, 0x00000000, PPC_POWER_BR)
{
int l1 = gen_new_label();
int l2 = gen_new_label();
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_local_new();
TCGv t2 = tcg_temp_local_new();
tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
tcg_gen_sar_tl(t1, cpu_gpr[rS(ctx->opcode)], t2);
tcg_gen_subfi_tl(t2, 32, t2);
tcg_gen_shl_tl(t2, cpu_gpr[rS(ctx->opcode)], t2);
tcg_gen_or_tl(t0, t0, t2);
gen_store_spr(SPR_MQ, t0);
tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, l1);
tcg_gen_mov_tl(t2, cpu_gpr[rS(ctx->opcode)]);
tcg_gen_sari_tl(t1, cpu_gpr[rS(ctx->opcode)], 31);
gen_set_label(l1);
tcg_temp_free(t0);
tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t1);
tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_CA));
tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l2);
tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, l2);
tcg_gen_ori_tl(cpu_xer, cpu_xer, (1 << XER_CA));
gen_set_label(l2);
tcg_temp_free(t1);
tcg_temp_free(t2);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* sre - sre. */
GEN_HANDLER(sre, 0x1F, 0x19, 0x14, 0x00000000, PPC_POWER_BR)
{
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
tcg_gen_subfi_tl(t1, 32, t1);
tcg_gen_shl_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
tcg_gen_or_tl(t1, t0, t1);
tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
gen_store_spr(SPR_MQ, t1);
tcg_temp_free(t0);
tcg_temp_free(t1);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* srea - srea. */
GEN_HANDLER(srea, 0x1F, 0x19, 0x1C, 0x00000000, PPC_POWER_BR)
{
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
tcg_gen_rotr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
gen_store_spr(SPR_MQ, t0);
tcg_gen_sar_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t1);
tcg_temp_free(t0);
tcg_temp_free(t1);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* sreq */
GEN_HANDLER(sreq, 0x1F, 0x19, 0x16, 0x00000000, PPC_POWER_BR)
{
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
TCGv t2 = tcg_temp_new();
tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F);
tcg_gen_movi_tl(t1, 0xFFFFFFFF);
tcg_gen_shr_tl(t1, t1, t0);
tcg_gen_rotr_tl(t0, cpu_gpr[rS(ctx->opcode)], t0);
gen_load_spr(t2, SPR_MQ);
gen_store_spr(SPR_MQ, t0);
tcg_gen_and_tl(t0, t0, t1);
tcg_gen_andc_tl(t2, t2, t1);
tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t2);
tcg_temp_free(t0);
tcg_temp_free(t1);
tcg_temp_free(t2);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* sriq */
GEN_HANDLER(sriq, 0x1F, 0x18, 0x15, 0x00000000, PPC_POWER_BR)
{
int sh = SH(ctx->opcode);
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
tcg_gen_shli_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh);
tcg_gen_or_tl(t1, t0, t1);
tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
gen_store_spr(SPR_MQ, t1);
tcg_temp_free(t0);
tcg_temp_free(t1);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* srliq */
GEN_HANDLER(srliq, 0x1F, 0x18, 0x17, 0x00000000, PPC_POWER_BR)
{
int sh = SH(ctx->opcode);
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
tcg_gen_rotri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh);
gen_load_spr(t1, SPR_MQ);
gen_store_spr(SPR_MQ, t0);
tcg_gen_andi_tl(t0, t0, (0xFFFFFFFFU >> sh));
tcg_gen_andi_tl(t1, t1, ~(0xFFFFFFFFU >> sh));
tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
tcg_temp_free(t0);
tcg_temp_free(t1);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* srlq */
GEN_HANDLER(srlq, 0x1F, 0x18, 0x16, 0x00000000, PPC_POWER_BR)
{
int l1 = gen_new_label();
int l2 = gen_new_label();
TCGv t0 = tcg_temp_local_new();
TCGv t1 = tcg_temp_local_new();
TCGv t2 = tcg_temp_local_new();
tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F);
tcg_gen_movi_tl(t1, 0xFFFFFFFF);
tcg_gen_shr_tl(t2, t1, t2);
tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20);
tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
gen_load_spr(t0, SPR_MQ);
tcg_gen_and_tl(cpu_gpr[rA(ctx->opcode)], t0, t2);
tcg_gen_br(l2);
gen_set_label(l1);
tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t2);
tcg_gen_and_tl(t0, t0, t2);
gen_load_spr(t1, SPR_MQ);
tcg_gen_andc_tl(t1, t1, t2);
tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1);
gen_set_label(l2);
tcg_temp_free(t0);
tcg_temp_free(t1);
tcg_temp_free(t2);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* srq */
GEN_HANDLER(srq, 0x1F, 0x18, 0x14, 0x00000000, PPC_POWER_BR)
{
int l1 = gen_new_label();
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F);
tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1);
tcg_gen_subfi_tl(t1, 32, t1);
tcg_gen_shl_tl(t1, cpu_gpr[rS(ctx->opcode)], t1);
tcg_gen_or_tl(t1, t0, t1);
gen_store_spr(SPR_MQ, t1);
tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x20);
tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0);
tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);
tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0);
gen_set_label(l1);
tcg_temp_free(t0);
tcg_temp_free(t1);
if (unlikely(Rc(ctx->opcode) != 0))
gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]);
}
/* PowerPC 602 specific instructions */
/* dsa */
GEN_HANDLER(dsa, 0x1F, 0x14, 0x13, 0x03FFF801, PPC_602_SPEC)
{
/* XXX: TODO */
gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
}
/* esa */
GEN_HANDLER(esa, 0x1F, 0x14, 0x12, 0x03FFF801, PPC_602_SPEC)
{
/* XXX: TODO */
gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
}
/* mfrom */
GEN_HANDLER(mfrom, 0x1F, 0x09, 0x08, 0x03E0F801, PPC_602_SPEC)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
gen_helper_602_mfrom(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
#endif
}
/* 602 - 603 - G2 TLB management */
/* tlbld */
GEN_HANDLER2(tlbld_6xx, "tlbld", 0x1F, 0x12, 0x1E, 0x03FF0001, PPC_6xx_TLB)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
gen_helper_6xx_tlbd(cpu_gpr[rB(ctx->opcode)]);
#endif
}
/* tlbli */
GEN_HANDLER2(tlbli_6xx, "tlbli", 0x1F, 0x12, 0x1F, 0x03FF0001, PPC_6xx_TLB)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
gen_helper_6xx_tlbi(cpu_gpr[rB(ctx->opcode)]);
#endif
}
/* 74xx TLB management */
/* tlbld */
GEN_HANDLER2(tlbld_74xx, "tlbld", 0x1F, 0x12, 0x1E, 0x03FF0001, PPC_74xx_TLB)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
gen_helper_74xx_tlbd(cpu_gpr[rB(ctx->opcode)]);
#endif
}
/* tlbli */
GEN_HANDLER2(tlbli_74xx, "tlbli", 0x1F, 0x12, 0x1F, 0x03FF0001, PPC_74xx_TLB)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
gen_helper_74xx_tlbi(cpu_gpr[rB(ctx->opcode)]);
#endif
}
/* POWER instructions not in PowerPC 601 */
/* clf */
GEN_HANDLER(clf, 0x1F, 0x16, 0x03, 0x03E00000, PPC_POWER)
{
/* Cache line flush: implemented as no-op */
}
/* cli */
GEN_HANDLER(cli, 0x1F, 0x16, 0x0F, 0x03E00000, PPC_POWER)
{
/* Cache line invalidate: privileged and treated as no-op */
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
#endif
}
/* dclst */
GEN_HANDLER(dclst, 0x1F, 0x16, 0x13, 0x03E00000, PPC_POWER)
{
/* Data cache line store: treated as no-op */
}
GEN_HANDLER(mfsri, 0x1F, 0x13, 0x13, 0x00000001, PPC_POWER)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
int ra = rA(ctx->opcode);
int rd = rD(ctx->opcode);
TCGv t0;
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
t0 = tcg_temp_new();
gen_addr_reg_index(ctx, t0);
tcg_gen_shri_tl(t0, t0, 28);
tcg_gen_andi_tl(t0, t0, 0xF);
gen_helper_load_sr(cpu_gpr[rd], t0);
tcg_temp_free(t0);
if (ra != 0 && ra != rd)
tcg_gen_mov_tl(cpu_gpr[ra], cpu_gpr[rd]);
#endif
}
GEN_HANDLER(rac, 0x1F, 0x12, 0x19, 0x00000001, PPC_POWER)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
TCGv t0;
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
t0 = tcg_temp_new();
gen_addr_reg_index(ctx, t0);
gen_helper_rac(cpu_gpr[rD(ctx->opcode)], t0);
tcg_temp_free(t0);
#endif
}
GEN_HANDLER(rfsvc, 0x13, 0x12, 0x02, 0x03FFF0001, PPC_POWER)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
gen_helper_rfsvc();
gen_sync_exception(ctx);
#endif
}
/* svc is not implemented for now */
/* POWER2 specific instructions */
/* Quad manipulation (load/store two floats at a time) */
/* lfq */
GEN_HANDLER(lfq, 0x38, 0xFF, 0xFF, 0x00000003, PPC_POWER2)
{
int rd = rD(ctx->opcode);
TCGv t0;
gen_set_access_type(ctx, ACCESS_FLOAT);
t0 = tcg_temp_new();
gen_addr_imm_index(ctx, t0, 0);
gen_qemu_ld64(ctx, cpu_fpr[rd], t0);
gen_addr_add(ctx, t0, t0, 8);
gen_qemu_ld64(ctx, cpu_fpr[(rd + 1) % 32], t0);
tcg_temp_free(t0);
}
/* lfqu */
GEN_HANDLER(lfqu, 0x39, 0xFF, 0xFF, 0x00000003, PPC_POWER2)
{
int ra = rA(ctx->opcode);
int rd = rD(ctx->opcode);
TCGv t0, t1;
gen_set_access_type(ctx, ACCESS_FLOAT);
t0 = tcg_temp_new();
t1 = tcg_temp_new();
gen_addr_imm_index(ctx, t0, 0);
gen_qemu_ld64(ctx, cpu_fpr[rd], t0);
gen_addr_add(ctx, t1, t0, 8);
gen_qemu_ld64(ctx, cpu_fpr[(rd + 1) % 32], t1);
if (ra != 0)
tcg_gen_mov_tl(cpu_gpr[ra], t0);
tcg_temp_free(t0);
tcg_temp_free(t1);
}
/* lfqux */
GEN_HANDLER(lfqux, 0x1F, 0x17, 0x19, 0x00000001, PPC_POWER2)
{
int ra = rA(ctx->opcode);
int rd = rD(ctx->opcode);
gen_set_access_type(ctx, ACCESS_FLOAT);
TCGv t0, t1;
t0 = tcg_temp_new();
gen_addr_reg_index(ctx, t0);
gen_qemu_ld64(ctx, cpu_fpr[rd], t0);
t1 = tcg_temp_new();
gen_addr_add(ctx, t1, t0, 8);
gen_qemu_ld64(ctx, cpu_fpr[(rd + 1) % 32], t1);
tcg_temp_free(t1);
if (ra != 0)
tcg_gen_mov_tl(cpu_gpr[ra], t0);
tcg_temp_free(t0);
}
/* lfqx */
GEN_HANDLER(lfqx, 0x1F, 0x17, 0x18, 0x00000001, PPC_POWER2)
{
int rd = rD(ctx->opcode);
TCGv t0;
gen_set_access_type(ctx, ACCESS_FLOAT);
t0 = tcg_temp_new();
gen_addr_reg_index(ctx, t0);
gen_qemu_ld64(ctx, cpu_fpr[rd], t0);
gen_addr_add(ctx, t0, t0, 8);
gen_qemu_ld64(ctx, cpu_fpr[(rd + 1) % 32], t0);
tcg_temp_free(t0);
}
/* stfq */
GEN_HANDLER(stfq, 0x3C, 0xFF, 0xFF, 0x00000003, PPC_POWER2)
{
int rd = rD(ctx->opcode);
TCGv t0;
gen_set_access_type(ctx, ACCESS_FLOAT);
t0 = tcg_temp_new();
gen_addr_imm_index(ctx, t0, 0);
gen_qemu_st64(ctx, cpu_fpr[rd], t0);
gen_addr_add(ctx, t0, t0, 8);
gen_qemu_st64(ctx, cpu_fpr[(rd + 1) % 32], t0);
tcg_temp_free(t0);
}
/* stfqu */
GEN_HANDLER(stfqu, 0x3D, 0xFF, 0xFF, 0x00000003, PPC_POWER2)
{
int ra = rA(ctx->opcode);
int rd = rD(ctx->opcode);
TCGv t0, t1;
gen_set_access_type(ctx, ACCESS_FLOAT);
t0 = tcg_temp_new();
gen_addr_imm_index(ctx, t0, 0);
gen_qemu_st64(ctx, cpu_fpr[rd], t0);
t1 = tcg_temp_new();
gen_addr_add(ctx, t1, t0, 8);
gen_qemu_st64(ctx, cpu_fpr[(rd + 1) % 32], t1);
tcg_temp_free(t1);
if (ra != 0)
tcg_gen_mov_tl(cpu_gpr[ra], t0);
tcg_temp_free(t0);
}
/* stfqux */
GEN_HANDLER(stfqux, 0x1F, 0x17, 0x1D, 0x00000001, PPC_POWER2)
{
int ra = rA(ctx->opcode);
int rd = rD(ctx->opcode);
TCGv t0, t1;
gen_set_access_type(ctx, ACCESS_FLOAT);
t0 = tcg_temp_new();
gen_addr_reg_index(ctx, t0);
gen_qemu_st64(ctx, cpu_fpr[rd], t0);
t1 = tcg_temp_new();
gen_addr_add(ctx, t1, t0, 8);
gen_qemu_st64(ctx, cpu_fpr[(rd + 1) % 32], t1);
tcg_temp_free(t1);
if (ra != 0)
tcg_gen_mov_tl(cpu_gpr[ra], t0);
tcg_temp_free(t0);
}
/* stfqx */
GEN_HANDLER(stfqx, 0x1F, 0x17, 0x1C, 0x00000001, PPC_POWER2)
{
int rd = rD(ctx->opcode);
TCGv t0;
gen_set_access_type(ctx, ACCESS_FLOAT);
t0 = tcg_temp_new();
gen_addr_reg_index(ctx, t0);
gen_qemu_st64(ctx, cpu_fpr[rd], t0);
gen_addr_add(ctx, t0, t0, 8);
gen_qemu_st64(ctx, cpu_fpr[(rd + 1) % 32], t0);
tcg_temp_free(t0);
}
/* BookE specific instructions */
/* XXX: not implemented on 440 ? */
GEN_HANDLER(mfapidi, 0x1F, 0x13, 0x08, 0x0000F801, PPC_MFAPIDI)
{
/* XXX: TODO */
gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
}
/* XXX: not implemented on 440 ? */
GEN_HANDLER(tlbiva, 0x1F, 0x12, 0x18, 0x03FFF801, PPC_TLBIVA)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
TCGv t0;
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
t0 = tcg_temp_new();
gen_addr_reg_index(ctx, t0);
gen_helper_tlbie(cpu_gpr[rB(ctx->opcode)]);
tcg_temp_free(t0);
#endif
}
/* All 405 MAC instructions are translated here */
static always_inline void gen_405_mulladd_insn (DisasContext *ctx,
int opc2, int opc3,
int ra, int rb, int rt, int Rc)
{
TCGv t0, t1;
t0 = tcg_temp_local_new();
t1 = tcg_temp_local_new();
switch (opc3 & 0x0D) {
case 0x05:
/* macchw - macchw. - macchwo - macchwo. */
/* macchws - macchws. - macchwso - macchwso. */
/* nmacchw - nmacchw. - nmacchwo - nmacchwo. */
/* nmacchws - nmacchws. - nmacchwso - nmacchwso. */
/* mulchw - mulchw. */
tcg_gen_ext16s_tl(t0, cpu_gpr[ra]);
tcg_gen_sari_tl(t1, cpu_gpr[rb], 16);
tcg_gen_ext16s_tl(t1, t1);
break;
case 0x04:
/* macchwu - macchwu. - macchwuo - macchwuo. */
/* macchwsu - macchwsu. - macchwsuo - macchwsuo. */
/* mulchwu - mulchwu. */
tcg_gen_ext16u_tl(t0, cpu_gpr[ra]);
tcg_gen_shri_tl(t1, cpu_gpr[rb], 16);
tcg_gen_ext16u_tl(t1, t1);
break;
case 0x01:
/* machhw - machhw. - machhwo - machhwo. */
/* machhws - machhws. - machhwso - machhwso. */
/* nmachhw - nmachhw. - nmachhwo - nmachhwo. */
/* nmachhws - nmachhws. - nmachhwso - nmachhwso. */
/* mulhhw - mulhhw. */
tcg_gen_sari_tl(t0, cpu_gpr[ra], 16);
tcg_gen_ext16s_tl(t0, t0);
tcg_gen_sari_tl(t1, cpu_gpr[rb], 16);
tcg_gen_ext16s_tl(t1, t1);
break;
case 0x00:
/* machhwu - machhwu. - machhwuo - machhwuo. */
/* machhwsu - machhwsu. - machhwsuo - machhwsuo. */
/* mulhhwu - mulhhwu. */
tcg_gen_shri_tl(t0, cpu_gpr[ra], 16);
tcg_gen_ext16u_tl(t0, t0);
tcg_gen_shri_tl(t1, cpu_gpr[rb], 16);
tcg_gen_ext16u_tl(t1, t1);
break;
case 0x0D:
/* maclhw - maclhw. - maclhwo - maclhwo. */
/* maclhws - maclhws. - maclhwso - maclhwso. */
/* nmaclhw - nmaclhw. - nmaclhwo - nmaclhwo. */
/* nmaclhws - nmaclhws. - nmaclhwso - nmaclhwso. */
/* mullhw - mullhw. */
tcg_gen_ext16s_tl(t0, cpu_gpr[ra]);
tcg_gen_ext16s_tl(t1, cpu_gpr[rb]);
break;
case 0x0C:
/* maclhwu - maclhwu. - maclhwuo - maclhwuo. */
/* maclhwsu - maclhwsu. - maclhwsuo - maclhwsuo. */
/* mullhwu - mullhwu. */
tcg_gen_ext16u_tl(t0, cpu_gpr[ra]);
tcg_gen_ext16u_tl(t1, cpu_gpr[rb]);
break;
}
if (opc2 & 0x04) {
/* (n)multiply-and-accumulate (0x0C / 0x0E) */
tcg_gen_mul_tl(t1, t0, t1);
if (opc2 & 0x02) {
/* nmultiply-and-accumulate (0x0E) */
tcg_gen_sub_tl(t0, cpu_gpr[rt], t1);
} else {
/* multiply-and-accumulate (0x0C) */
tcg_gen_add_tl(t0, cpu_gpr[rt], t1);
}
if (opc3 & 0x12) {
/* Check overflow and/or saturate */
int l1 = gen_new_label();
if (opc3 & 0x10) {
/* Start with XER OV disabled, the most likely case */
tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_OV));
}
if (opc3 & 0x01) {
/* Signed */
tcg_gen_xor_tl(t1, cpu_gpr[rt], t1);
tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
tcg_gen_xor_tl(t1, cpu_gpr[rt], t0);
tcg_gen_brcondi_tl(TCG_COND_LT, t1, 0, l1);
if (opc3 & 0x02) {
/* Saturate */
tcg_gen_sari_tl(t0, cpu_gpr[rt], 31);
tcg_gen_xori_tl(t0, t0, 0x7fffffff);
}
} else {
/* Unsigned */
tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1);
if (opc3 & 0x02) {
/* Saturate */
tcg_gen_movi_tl(t0, UINT32_MAX);
}
}
if (opc3 & 0x10) {
/* Check overflow */
tcg_gen_ori_tl(cpu_xer, cpu_xer, (1 << XER_OV) | (1 << XER_SO));
}
gen_set_label(l1);
tcg_gen_mov_tl(cpu_gpr[rt], t0);
}
} else {
tcg_gen_mul_tl(cpu_gpr[rt], t0, t1);
}
tcg_temp_free(t0);
tcg_temp_free(t1);
if (unlikely(Rc) != 0) {
/* Update Rc0 */
gen_set_Rc0(ctx, cpu_gpr[rt]);
}
}
#define GEN_MAC_HANDLER(name, opc2, opc3) \
GEN_HANDLER(name, 0x04, opc2, opc3, 0x00000000, PPC_405_MAC) \
{ \
gen_405_mulladd_insn(ctx, opc2, opc3, rA(ctx->opcode), rB(ctx->opcode), \
rD(ctx->opcode), Rc(ctx->opcode)); \
}
/* macchw - macchw. */
GEN_MAC_HANDLER(macchw, 0x0C, 0x05);
/* macchwo - macchwo. */
GEN_MAC_HANDLER(macchwo, 0x0C, 0x15);
/* macchws - macchws. */
GEN_MAC_HANDLER(macchws, 0x0C, 0x07);
/* macchwso - macchwso. */
GEN_MAC_HANDLER(macchwso, 0x0C, 0x17);
/* macchwsu - macchwsu. */
GEN_MAC_HANDLER(macchwsu, 0x0C, 0x06);
/* macchwsuo - macchwsuo. */
GEN_MAC_HANDLER(macchwsuo, 0x0C, 0x16);
/* macchwu - macchwu. */
GEN_MAC_HANDLER(macchwu, 0x0C, 0x04);
/* macchwuo - macchwuo. */
GEN_MAC_HANDLER(macchwuo, 0x0C, 0x14);
/* machhw - machhw. */
GEN_MAC_HANDLER(machhw, 0x0C, 0x01);
/* machhwo - machhwo. */
GEN_MAC_HANDLER(machhwo, 0x0C, 0x11);
/* machhws - machhws. */
GEN_MAC_HANDLER(machhws, 0x0C, 0x03);
/* machhwso - machhwso. */
GEN_MAC_HANDLER(machhwso, 0x0C, 0x13);
/* machhwsu - machhwsu. */
GEN_MAC_HANDLER(machhwsu, 0x0C, 0x02);
/* machhwsuo - machhwsuo. */
GEN_MAC_HANDLER(machhwsuo, 0x0C, 0x12);
/* machhwu - machhwu. */
GEN_MAC_HANDLER(machhwu, 0x0C, 0x00);
/* machhwuo - machhwuo. */
GEN_MAC_HANDLER(machhwuo, 0x0C, 0x10);
/* maclhw - maclhw. */
GEN_MAC_HANDLER(maclhw, 0x0C, 0x0D);
/* maclhwo - maclhwo. */
GEN_MAC_HANDLER(maclhwo, 0x0C, 0x1D);
/* maclhws - maclhws. */
GEN_MAC_HANDLER(maclhws, 0x0C, 0x0F);
/* maclhwso - maclhwso. */
GEN_MAC_HANDLER(maclhwso, 0x0C, 0x1F);
/* maclhwu - maclhwu. */
GEN_MAC_HANDLER(maclhwu, 0x0C, 0x0C);
/* maclhwuo - maclhwuo. */
GEN_MAC_HANDLER(maclhwuo, 0x0C, 0x1C);
/* maclhwsu - maclhwsu. */
GEN_MAC_HANDLER(maclhwsu, 0x0C, 0x0E);
/* maclhwsuo - maclhwsuo. */
GEN_MAC_HANDLER(maclhwsuo, 0x0C, 0x1E);
/* nmacchw - nmacchw. */
GEN_MAC_HANDLER(nmacchw, 0x0E, 0x05);
/* nmacchwo - nmacchwo. */
GEN_MAC_HANDLER(nmacchwo, 0x0E, 0x15);
/* nmacchws - nmacchws. */
GEN_MAC_HANDLER(nmacchws, 0x0E, 0x07);
/* nmacchwso - nmacchwso. */
GEN_MAC_HANDLER(nmacchwso, 0x0E, 0x17);
/* nmachhw - nmachhw. */
GEN_MAC_HANDLER(nmachhw, 0x0E, 0x01);
/* nmachhwo - nmachhwo. */
GEN_MAC_HANDLER(nmachhwo, 0x0E, 0x11);
/* nmachhws - nmachhws. */
GEN_MAC_HANDLER(nmachhws, 0x0E, 0x03);
/* nmachhwso - nmachhwso. */
GEN_MAC_HANDLER(nmachhwso, 0x0E, 0x13);
/* nmaclhw - nmaclhw. */
GEN_MAC_HANDLER(nmaclhw, 0x0E, 0x0D);
/* nmaclhwo - nmaclhwo. */
GEN_MAC_HANDLER(nmaclhwo, 0x0E, 0x1D);
/* nmaclhws - nmaclhws. */
GEN_MAC_HANDLER(nmaclhws, 0x0E, 0x0F);
/* nmaclhwso - nmaclhwso. */
GEN_MAC_HANDLER(nmaclhwso, 0x0E, 0x1F);
/* mulchw - mulchw. */
GEN_MAC_HANDLER(mulchw, 0x08, 0x05);
/* mulchwu - mulchwu. */
GEN_MAC_HANDLER(mulchwu, 0x08, 0x04);
/* mulhhw - mulhhw. */
GEN_MAC_HANDLER(mulhhw, 0x08, 0x01);
/* mulhhwu - mulhhwu. */
GEN_MAC_HANDLER(mulhhwu, 0x08, 0x00);
/* mullhw - mullhw. */
GEN_MAC_HANDLER(mullhw, 0x08, 0x0D);
/* mullhwu - mullhwu. */
GEN_MAC_HANDLER(mullhwu, 0x08, 0x0C);
/* mfdcr */
GEN_HANDLER(mfdcr, 0x1F, 0x03, 0x0A, 0x00000001, PPC_DCR)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
#else
TCGv dcrn;
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
return;
}
/* NIP cannot be restored if the memory exception comes from an helper */
gen_update_nip(ctx, ctx->nip - 4);
dcrn = tcg_const_tl(SPR(ctx->opcode));
gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], dcrn);
tcg_temp_free(dcrn);
#endif
}
/* mtdcr */
GEN_HANDLER(mtdcr, 0x1F, 0x03, 0x0E, 0x00000001, PPC_DCR)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
#else
TCGv dcrn;
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
return;
}
/* NIP cannot be restored if the memory exception comes from an helper */
gen_update_nip(ctx, ctx->nip - 4);
dcrn = tcg_const_tl(SPR(ctx->opcode));
gen_helper_store_dcr(dcrn, cpu_gpr[rS(ctx->opcode)]);
tcg_temp_free(dcrn);
#endif
}
/* mfdcrx */
/* XXX: not implemented on 440 ? */
GEN_HANDLER(mfdcrx, 0x1F, 0x03, 0x08, 0x00000000, PPC_DCRX)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
#else
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
return;
}
/* NIP cannot be restored if the memory exception comes from an helper */
gen_update_nip(ctx, ctx->nip - 4);
gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
/* Note: Rc update flag set leads to undefined state of Rc0 */
#endif
}
/* mtdcrx */
/* XXX: not implemented on 440 ? */
GEN_HANDLER(mtdcrx, 0x1F, 0x03, 0x0C, 0x00000000, PPC_DCRX)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
#else
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG);
return;
}
/* NIP cannot be restored if the memory exception comes from an helper */
gen_update_nip(ctx, ctx->nip - 4);
gen_helper_store_dcr(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
/* Note: Rc update flag set leads to undefined state of Rc0 */
#endif
}
/* mfdcrux (PPC 460) : user-mode access to DCR */
GEN_HANDLER(mfdcrux, 0x1F, 0x03, 0x09, 0x00000000, PPC_DCRUX)
{
/* NIP cannot be restored if the memory exception comes from an helper */
gen_update_nip(ctx, ctx->nip - 4);
gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
/* Note: Rc update flag set leads to undefined state of Rc0 */
}
/* mtdcrux (PPC 460) : user-mode access to DCR */
GEN_HANDLER(mtdcrux, 0x1F, 0x03, 0x0D, 0x00000000, PPC_DCRUX)
{
/* NIP cannot be restored if the memory exception comes from an helper */
gen_update_nip(ctx, ctx->nip - 4);
gen_helper_store_dcr(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
/* Note: Rc update flag set leads to undefined state of Rc0 */
}
/* dccci */
GEN_HANDLER(dccci, 0x1F, 0x06, 0x0E, 0x03E00001, PPC_4xx_COMMON)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
/* interpreted as no-op */
#endif
}
/* dcread */
GEN_HANDLER(dcread, 0x1F, 0x06, 0x0F, 0x00000001, PPC_4xx_COMMON)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
TCGv EA, val;
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
gen_set_access_type(ctx, ACCESS_CACHE);
EA = tcg_temp_new();
gen_addr_reg_index(ctx, EA);
val = tcg_temp_new();
gen_qemu_ld32u(ctx, val, EA);
tcg_temp_free(val);
tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], EA);
tcg_temp_free(EA);
#endif
}
/* icbt */
GEN_HANDLER2(icbt_40x, "icbt", 0x1F, 0x06, 0x08, 0x03E00001, PPC_40x_ICBT)
{
/* interpreted as no-op */
/* XXX: specification say this is treated as a load by the MMU
* but does not generate any exception
*/
}
/* iccci */
GEN_HANDLER(iccci, 0x1F, 0x06, 0x1E, 0x00000001, PPC_4xx_COMMON)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
/* interpreted as no-op */
#endif
}
/* icread */
GEN_HANDLER(icread, 0x1F, 0x06, 0x1F, 0x03E00001, PPC_4xx_COMMON)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
/* interpreted as no-op */
#endif
}
/* rfci (mem_idx only) */
GEN_HANDLER2(rfci_40x, "rfci", 0x13, 0x13, 0x01, 0x03FF8001, PPC_40x_EXCP)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
/* Restore CPU state */
gen_helper_40x_rfci();
gen_sync_exception(ctx);
#endif
}
GEN_HANDLER(rfci, 0x13, 0x13, 0x01, 0x03FF8001, PPC_BOOKE)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
/* Restore CPU state */
gen_helper_rfci();
gen_sync_exception(ctx);
#endif
}
/* BookE specific */
/* XXX: not implemented on 440 ? */
GEN_HANDLER(rfdi, 0x13, 0x07, 0x01, 0x03FF8001, PPC_RFDI)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
/* Restore CPU state */
gen_helper_rfdi();
gen_sync_exception(ctx);
#endif
}
/* XXX: not implemented on 440 ? */
GEN_HANDLER(rfmci, 0x13, 0x06, 0x01, 0x03FF8001, PPC_RFMCI)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
/* Restore CPU state */
gen_helper_rfmci();
gen_sync_exception(ctx);
#endif
}
/* TLB management - PowerPC 405 implementation */
/* tlbre */
GEN_HANDLER2(tlbre_40x, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, PPC_40x_TLB)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
switch (rB(ctx->opcode)) {
case 0:
gen_helper_4xx_tlbre_hi(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
break;
case 1:
gen_helper_4xx_tlbre_lo(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
break;
default:
gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
break;
}
#endif
}
/* tlbsx - tlbsx. */
GEN_HANDLER2(tlbsx_40x, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, PPC_40x_TLB)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
TCGv t0;
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
t0 = tcg_temp_new();
gen_addr_reg_index(ctx, t0);
gen_helper_4xx_tlbsx(cpu_gpr[rD(ctx->opcode)], t0);
tcg_temp_free(t0);
if (Rc(ctx->opcode)) {
int l1 = gen_new_label();
tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_xer);
tcg_gen_shri_i32(cpu_crf[0], cpu_crf[0], XER_SO);
tcg_gen_andi_i32(cpu_crf[0], cpu_crf[0], 1);
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rD(ctx->opcode)], -1, l1);
tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 0x02);
gen_set_label(l1);
}
#endif
}
/* tlbwe */
GEN_HANDLER2(tlbwe_40x, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, PPC_40x_TLB)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
switch (rB(ctx->opcode)) {
case 0:
gen_helper_4xx_tlbwe_hi(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
break;
case 1:
gen_helper_4xx_tlbwe_lo(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
break;
default:
gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
break;
}
#endif
}
/* TLB management - PowerPC 440 implementation */
/* tlbre */
GEN_HANDLER2(tlbre_440, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, PPC_BOOKE)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
switch (rB(ctx->opcode)) {
case 0:
case 1:
case 2:
{
TCGv_i32 t0 = tcg_const_i32(rB(ctx->opcode));
gen_helper_440_tlbwe(t0, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
tcg_temp_free_i32(t0);
}
break;
default:
gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
break;
}
#endif
}
/* tlbsx - tlbsx. */
GEN_HANDLER2(tlbsx_440, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, PPC_BOOKE)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
TCGv t0;
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
t0 = tcg_temp_new();
gen_addr_reg_index(ctx, t0);
gen_helper_440_tlbsx(cpu_gpr[rD(ctx->opcode)], t0);
tcg_temp_free(t0);
if (Rc(ctx->opcode)) {
int l1 = gen_new_label();
tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_xer);
tcg_gen_shri_i32(cpu_crf[0], cpu_crf[0], XER_SO);
tcg_gen_andi_i32(cpu_crf[0], cpu_crf[0], 1);
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rD(ctx->opcode)], -1, l1);
tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 0x02);
gen_set_label(l1);
}
#endif
}
/* tlbwe */
GEN_HANDLER2(tlbwe_440, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, PPC_BOOKE)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
switch (rB(ctx->opcode)) {
case 0:
case 1:
case 2:
{
TCGv_i32 t0 = tcg_const_i32(rB(ctx->opcode));
gen_helper_440_tlbwe(t0, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]);
tcg_temp_free_i32(t0);
}
break;
default:
gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
break;
}
#endif
}
/* wrtee */
GEN_HANDLER(wrtee, 0x1F, 0x03, 0x04, 0x000FFC01, PPC_WRTEE)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
TCGv t0;
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
t0 = tcg_temp_new();
tcg_gen_andi_tl(t0, cpu_gpr[rD(ctx->opcode)], (1 << MSR_EE));
tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(1 << MSR_EE));
tcg_gen_or_tl(cpu_msr, cpu_msr, t0);
tcg_temp_free(t0);
/* Stop translation to have a chance to raise an exception
* if we just set msr_ee to 1
*/
gen_stop_exception(ctx);
#endif
}
/* wrteei */
GEN_HANDLER(wrteei, 0x1F, 0x03, 0x05, 0x000EFC01, PPC_WRTEE)
{
#if defined(CONFIG_USER_ONLY)
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
#else
if (unlikely(!ctx->mem_idx)) {
gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC);
return;
}
if (ctx->opcode & 0x00010000) {
tcg_gen_ori_tl(cpu_msr, cpu_msr, (1 << MSR_EE));
/* Stop translation to have a chance to raise an exception */
gen_stop_exception(ctx);
} else {
tcg_gen_andi_tl(cpu_msr, cpu_msr, (1 << MSR_EE));
}
#endif
}
/* PowerPC 440 specific instructions */
/* dlmzb */
GEN_HANDLER(dlmzb, 0x1F, 0x0E, 0x02, 0x00000000, PPC_440_SPEC)
{
TCGv_i32 t0 = tcg_const_i32(Rc(ctx->opcode));
gen_helper_dlmzb(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)],
cpu_gpr[rB(ctx->opcode)], t0);
tcg_temp_free_i32(t0);
}
/* mbar replaces eieio on 440 */
GEN_HANDLER(mbar, 0x1F, 0x16, 0x1a, 0x001FF801, PPC_BOOKE)
{
/* interpreted as no-op */
}
/* msync replaces sync on 440 */
GEN_HANDLER(msync, 0x1F, 0x16, 0x12, 0x03FFF801, PPC_BOOKE)
{
/* interpreted as no-op */
}
/* icbt */
GEN_HANDLER2(icbt_440, "icbt", 0x1F, 0x16, 0x00, 0x03E00001, PPC_BOOKE)
{
/* interpreted as no-op */
/* XXX: specification say this is treated as a load by the MMU
* but does not generate any exception
*/
}
/*** Altivec vector extension ***/
/* Altivec registers moves */
static always_inline TCGv_ptr gen_avr_ptr(int reg)
{
TCGv_ptr r = tcg_temp_new();
tcg_gen_addi_ptr(r, cpu_env, offsetof(CPUPPCState, avr[reg]));
return r;
}
#define GEN_VR_LDX(name, opc2, opc3) \
GEN_HANDLER(name, 0x1F, opc2, opc3, 0x00000001, PPC_ALTIVEC) \
{ \
TCGv EA; \
if (unlikely(!ctx->altivec_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_VPU); \
return; \
} \
gen_set_access_type(ctx, ACCESS_INT); \
EA = tcg_temp_new(); \
gen_addr_reg_index(ctx, EA); \
tcg_gen_andi_tl(EA, EA, ~0xf); \
if (ctx->le_mode) { \
gen_qemu_ld64(ctx, cpu_avrl[rD(ctx->opcode)], EA); \
tcg_gen_addi_tl(EA, EA, 8); \
gen_qemu_ld64(ctx, cpu_avrh[rD(ctx->opcode)], EA); \
} else { \
gen_qemu_ld64(ctx, cpu_avrh[rD(ctx->opcode)], EA); \
tcg_gen_addi_tl(EA, EA, 8); \
gen_qemu_ld64(ctx, cpu_avrl[rD(ctx->opcode)], EA); \
} \
tcg_temp_free(EA); \
}
#define GEN_VR_STX(name, opc2, opc3) \
GEN_HANDLER(st##name, 0x1F, opc2, opc3, 0x00000001, PPC_ALTIVEC) \
{ \
TCGv EA; \
if (unlikely(!ctx->altivec_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_VPU); \
return; \
} \
gen_set_access_type(ctx, ACCESS_INT); \
EA = tcg_temp_new(); \
gen_addr_reg_index(ctx, EA); \
tcg_gen_andi_tl(EA, EA, ~0xf); \
if (ctx->le_mode) { \
gen_qemu_st64(ctx, cpu_avrl[rD(ctx->opcode)], EA); \
tcg_gen_addi_tl(EA, EA, 8); \
gen_qemu_st64(ctx, cpu_avrh[rD(ctx->opcode)], EA); \
} else { \
gen_qemu_st64(ctx, cpu_avrh[rD(ctx->opcode)], EA); \
tcg_gen_addi_tl(EA, EA, 8); \
gen_qemu_st64(ctx, cpu_avrl[rD(ctx->opcode)], EA); \
} \
tcg_temp_free(EA); \
}
GEN_VR_LDX(lvx, 0x07, 0x03);
/* As we don't emulate the cache, lvxl is stricly equivalent to lvx */
GEN_VR_LDX(lvxl, 0x07, 0x0B);
GEN_VR_STX(svx, 0x07, 0x07);
/* As we don't emulate the cache, stvxl is stricly equivalent to stvx */
GEN_VR_STX(svxl, 0x07, 0x0F);
/* Logical operations */
#define GEN_VX_LOGICAL(name, tcg_op, opc2, opc3) \
GEN_HANDLER(name, 0x04, opc2, opc3, 0x00000000, PPC_ALTIVEC) \
{ \
if (unlikely(!ctx->altivec_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_VPU); \
return; \
} \
tcg_op(cpu_avrh[rD(ctx->opcode)], cpu_avrh[rA(ctx->opcode)], cpu_avrh[rB(ctx->opcode)]); \
tcg_op(cpu_avrl[rD(ctx->opcode)], cpu_avrl[rA(ctx->opcode)], cpu_avrl[rB(ctx->opcode)]); \
}
GEN_VX_LOGICAL(vand, tcg_gen_and_i64, 2, 16);
GEN_VX_LOGICAL(vandc, tcg_gen_andc_i64, 2, 17);
GEN_VX_LOGICAL(vor, tcg_gen_or_i64, 2, 18);
GEN_VX_LOGICAL(vxor, tcg_gen_xor_i64, 2, 19);
GEN_VX_LOGICAL(vnor, tcg_gen_nor_i64, 2, 20);
/* FIXME: This is old dyngen based AltiVec code. It should probably justi
be ripped out once the TCG based stuff is merged. */
#if 0
OP_VR_ST_TABLE(vebx);
GEN_VR_STX(vebx, 0x07, 0x04);
OP_VR_ST_TABLE(vehx);
GEN_VR_STX(vehx, 0x07, 0x05);
OP_VR_ST_TABLE(vewx);
GEN_VR_STX(vewx, 0x07, 0x06);
GEN_HANDLER(lvsl, 0x1f, 0x06, 0x00, 0x00000001, PPC_ALTIVEC)
{
if (unlikely(!ctx->altivec_enabled)) {
GEN_EXCP_NO_VR(ctx);
return;
}
gen_addr_reg_index(cpu_T[0], ctx);
gen_op_lvsl ();
gen_store_avr(rD(ctx->opcode), 0);
}
GEN_HANDLER(lvsr, 0x1f, 0x06, 0x01, 0x00000001, PPC_ALTIVEC)
{
if (unlikely(!ctx->altivec_enabled)) {
GEN_EXCP_NO_VR(ctx);
return;
}
gen_addr_reg_index(cpu_T[0], ctx);
gen_op_lvsr ();
gen_store_avr(rD(ctx->opcode), 0);
}
GEN_HANDLER(mfvscr, 0x04, 0x2, 0x18, 0x001ff800, PPC_ALTIVEC)
{
if (unlikely(!ctx->altivec_enabled)) {
GEN_EXCP_NO_VR(ctx);
return;
}
gen_op_load_vscr_A0 ();
gen_store_avr(rD(ctx->opcode), 0);
}
GEN_HANDLER(mtvscr, 0x04, 0x2, 0x19, 0x03ff0000, PPC_ALTIVEC)
{
if (unlikely(!ctx->altivec_enabled)) {
GEN_EXCP_NO_VR(ctx);
return;
}
gen_load_avr(0, rB(ctx->opcode));
gen_op_store_vscr_A0 ();
}
#define GEN_VR_VXFORM(name, xo) \
GEN_HANDLER(name, 0x04, (xo >> 1) & 0x1f, (xo >> 6) & 0x1f, 0x00000000, PPC_ALTIVEC) \
{ \
if (unlikely(!ctx->altivec_enabled)) { \
GEN_EXCP_NO_VR(ctx); \
return; \
} \
gen_load_avr(0, rA(ctx->opcode)); \
gen_load_avr(1, rB(ctx->opcode)); \
gen_op_##name (); \
gen_store_avr(rD(ctx->opcode), 0); \
}
#define GEN_VR_VXFORM_UIMM(name, xo) \
GEN_HANDLER(name, 0x04, (xo >> 1) & 0x1f, (xo >> 6) & 0x1f, 0x00000000, PPC_ALTIVEC) \
{ \
target_ulong uimm = UIMM5(ctx->opcode); \
if (unlikely(!ctx->altivec_enabled)) { \
GEN_EXCP_NO_VR(ctx); \
return; \
} \
tcg_gen_movi_tl(cpu_T[0], uimm); \
gen_load_avr(1, rB(ctx->opcode)); \
gen_op_##name (); \
gen_store_avr(rD(ctx->opcode), 0); \
}
#define GEN_VR_VXFORM_SIMM(name, xo) \
GEN_HANDLER(name, 0x04, (xo >> 1) & 0x1f, (xo >> 6) & 0x1f, 0x0000f800, PPC_ALTIVEC) \
{ \
target_ulong simm = SIMM5(ctx->opcode); \
if (unlikely(!ctx->altivec_enabled)) { \
GEN_EXCP_NO_VR(ctx); \
return; \
} \
tcg_gen_movi_tl(cpu_T[0], simm); \
gen_op_##name (); \
gen_store_avr(rD(ctx->opcode), 0); \
}
#define GEN_VR_VXFORM_NOA(name, xo) \
GEN_HANDLER(name, 0x04, (xo >> 1) & 0x1f, (xo >> 6) & 0x1f, 0x001f0000, PPC_ALTIVEC) \
{ \
if (unlikely(!ctx->altivec_enabled)) { \
GEN_EXCP_NO_VR(ctx); \
return; \
} \
gen_load_avr(1, rB(ctx->opcode)); \
gen_op_##name (); \
gen_store_avr(rD(ctx->opcode), 0); \
}
GEN_VR_VXFORM(vaddubm, 0);
GEN_VR_VXFORM(vadduhm, 64);
GEN_VR_VXFORM(vadduwm, 128);
GEN_VR_VXFORM(vaddcuw, 384);
GEN_VR_VXFORM(vaddubs, 512);
GEN_VR_VXFORM(vadduhs, 576);
GEN_VR_VXFORM(vadduws, 640);
GEN_VR_VXFORM(vaddsbs, 768);
GEN_VR_VXFORM(vaddshs, 832);
GEN_VR_VXFORM(vaddsws, 896);
GEN_VR_VXFORM(vsububm, 1024);
GEN_VR_VXFORM(vsubuhm, 1088);
GEN_VR_VXFORM(vsubuwm, 1152);
GEN_VR_VXFORM(vsubcuw, 1408);
GEN_VR_VXFORM(vsububs, 1536);
GEN_VR_VXFORM(vsubuhs, 1600);
GEN_VR_VXFORM(vsubuws, 1664);
GEN_VR_VXFORM(vsubsbs, 1792);
GEN_VR_VXFORM(vsubshs, 1856);
GEN_VR_VXFORM(vsubsws, 1920);
GEN_VR_VXFORM(vmaxub, 2);
GEN_VR_VXFORM(vmaxuh, 66);
GEN_VR_VXFORM(vmaxuw, 130);
GEN_VR_VXFORM(vmaxsb, 258);
GEN_VR_VXFORM(vmaxsh, 322);
GEN_VR_VXFORM(vmaxsw, 386);
GEN_VR_VXFORM(vminub, 514);
GEN_VR_VXFORM(vminuh, 578);
GEN_VR_VXFORM(vminuw, 642);
GEN_VR_VXFORM(vminsb, 770);
GEN_VR_VXFORM(vminsh, 834);
GEN_VR_VXFORM(vminsw, 898);
GEN_VR_VXFORM(vavgub, 1026);
GEN_VR_VXFORM(vavguh, 1090);
GEN_VR_VXFORM(vavguw, 1154);
GEN_VR_VXFORM(vavgsb, 1282);
GEN_VR_VXFORM(vavgsh, 1346);
GEN_VR_VXFORM(vavgsw, 1410);
GEN_VR_VXFORM(vrlb, 4);
GEN_VR_VXFORM(vrlh, 68);
GEN_VR_VXFORM(vrlw, 132);
GEN_VR_VXFORM(vslb, 260);
GEN_VR_VXFORM(vslh, 324);
GEN_VR_VXFORM(vslw, 388);
GEN_VR_VXFORM(vsl, 452);
GEN_VR_VXFORM(vsrb, 516);
GEN_VR_VXFORM(vsrh, 580);
GEN_VR_VXFORM(vsrw, 644);
GEN_VR_VXFORM(vsr, 708);
GEN_VR_VXFORM(vsrab, 772);
GEN_VR_VXFORM(vsrah, 836);
GEN_VR_VXFORM(vsraw, 900);
GEN_VR_VXFORM(vand, 1028);
GEN_VR_VXFORM(vandc, 1092);
GEN_VR_VXFORM(vor, 1156);
GEN_VR_VXFORM(vnor, 1284);
/* mfvscr and mtvscr implemented separately */
GEN_VR_VXFORM(vmuloub, 8);
GEN_VR_VXFORM(vmulouh, 72);
GEN_VR_VXFORM(vmulosb, 264);
GEN_VR_VXFORM(vmulosh, 328);
GEN_VR_VXFORM(vmuleub, 520);
GEN_VR_VXFORM(vmuleuh, 584);
GEN_VR_VXFORM(vmulesb, 776);
GEN_VR_VXFORM(vmulesh, 840);
GEN_VR_VXFORM(vsum4ubs, 1544);
GEN_VR_VXFORM(vsum4sbs, 1800);
GEN_VR_VXFORM(vsum4shs, 1608);
GEN_VR_VXFORM(vsum2sws, 1672);
GEN_VR_VXFORM(vsumsws, 1928);
GEN_VR_VXFORM(vaddfp, 10);
GEN_VR_VXFORM(vsubfp, 74);
GEN_VR_VXFORM_NOA(vrefp, 266);
GEN_VR_VXFORM_NOA(vrsqrtefp, 330);
GEN_VR_VXFORM_NOA(vexptefp, 394);
GEN_VR_VXFORM_NOA(vlogefp, 458);
GEN_VR_VXFORM_NOA(vrfin, 522);
GEN_VR_VXFORM_NOA(vrfiz, 586);
GEN_VR_VXFORM_NOA(vrfip, 650);
GEN_VR_VXFORM_NOA(vrfim, 714);
GEN_VR_VXFORM_UIMM(vcfux, 778);
GEN_VR_VXFORM_UIMM(vcfsx, 842);
GEN_VR_VXFORM_UIMM(vctuxs, 906);
GEN_VR_VXFORM_UIMM(vctsxs, 970);
GEN_VR_VXFORM(vmaxfp, 1034);
GEN_VR_VXFORM(vminfp, 1098);
GEN_VR_VXFORM(vmrghb, 12);
GEN_VR_VXFORM(vmrghh, 76);
GEN_VR_VXFORM(vmrghw, 140);
GEN_VR_VXFORM(vmrglb, 268);
GEN_VR_VXFORM(vmrglh, 332);
GEN_VR_VXFORM(vmrglw, 396);
GEN_VR_VXFORM_UIMM(vspltb, 524);
GEN_VR_VXFORM_UIMM(vsplth, 588);
GEN_VR_VXFORM_UIMM(vspltw, 652);
GEN_VR_VXFORM_SIMM(vspltisb, 780);
GEN_VR_VXFORM_SIMM(vspltish, 844);
GEN_VR_VXFORM_SIMM(vspltisw, 908);
GEN_VR_VXFORM(vslo, 1036);
GEN_VR_VXFORM(vsro, 1100);
GEN_VR_VXFORM(vpkuhum, 14);
GEN_VR_VXFORM(vpkuwum, 78);
GEN_VR_VXFORM(vpkuhus, 142);
GEN_VR_VXFORM(vpkuwus, 206);
GEN_VR_VXFORM(vpkshus, 270);
GEN_VR_VXFORM(vpkswus, 334);
GEN_VR_VXFORM(vpkshss, 398);
GEN_VR_VXFORM(vpkswss, 462);
GEN_VR_VXFORM_NOA(vupkhsb, 526);
GEN_VR_VXFORM_NOA(vupkhsh, 590);
GEN_VR_VXFORM_NOA(vupklsb, 654);
GEN_VR_VXFORM_NOA(vupklsh, 718);
GEN_VR_VXFORM(vpkpx, 782);
GEN_VR_VXFORM_NOA(vupkhpx, 846);
GEN_VR_VXFORM_NOA(vupklpx, 974);
GEN_VR_VXFORM(vxor, 1220);
#define GEN_VR_VXRFORM1(opname, name, str, xo, rc) \
GEN_HANDLER2(name, str, 0x4, (xo >> 1) & 0x1f, ((xo >> 6) & 0x1f) | (rc << 4), 0x00000000, PPC_ALTIVEC) \
{ \
if (unlikely(!ctx->altivec_enabled)) { \
GEN_EXCP_NO_VR(ctx); \
return; \
} \
gen_load_avr(0, rA(ctx->opcode)); \
gen_load_avr(1, rB(ctx->opcode)); \
gen_op_##opname (); \
gen_store_avr(rD(ctx->opcode), 0); \
if (rc) { \
tcg_gen_mov_i32(cpu_crf[6], cpu_T[0]); \
} \
}
#define GEN_VR_VXRFORM(name, xo) \
GEN_VR_VXRFORM1(name, name, #name, xo, 0) \
GEN_VR_VXRFORM1(name, name##_, #name ".", xo, 1)
GEN_VR_VXRFORM(vcmpbfp, 966);
GEN_VR_VXRFORM(vcmpeqfp, 198);
GEN_VR_VXRFORM(vcmpequb, 6)
GEN_VR_VXRFORM(vcmpequh, 70)
GEN_VR_VXRFORM(vcmpequw, 134)
GEN_VR_VXRFORM(vcmpgefp, 454)
GEN_VR_VXRFORM(vcmpgtfp, 710)
GEN_VR_VXRFORM(vcmpgtsb, 774)
GEN_VR_VXRFORM(vcmpgtsh, 838)
GEN_VR_VXRFORM(vcmpgtsw, 902)
GEN_VR_VXRFORM(vcmpgtub, 518)
GEN_VR_VXRFORM(vcmpgtuh, 582)
GEN_VR_VXRFORM(vcmpgtuw, 646)
#define GEN_VR_VAFORM_PAIRED(name0, name1, xo) \
GEN_HANDLER(name0##_##name1, 0x04, xo>>1, 0xFF, 0x00000000, PPC_ALTIVEC) \
{ \
if (unlikely(!ctx->altivec_enabled)) { \
GEN_EXCP_NO_VR(ctx); \
return; \
} \
gen_load_avr(0, rA(ctx->opcode)); \
gen_load_avr(1, rB(ctx->opcode)); \
gen_load_avr(2, rC(ctx->opcode)); \
if (Rc(ctx->opcode)) { \
gen_op_##name1 (); \
} else { \
gen_op_##name0 (); \
} \
gen_store_avr(rD(ctx->opcode), 0); \
}
GEN_VR_VAFORM_PAIRED(vmhaddshs, vmhraddshs, 32)
GEN_HANDLER(vmladduhm, 0x04, 0x11, 0xFF, 0x00000000, PPC_ALTIVEC)
{
if (unlikely(!ctx->altivec_enabled)) {
GEN_EXCP_NO_VR(ctx);
return;
}
gen_load_avr(0, rA(ctx->opcode));
gen_load_avr(1, rB(ctx->opcode));
gen_load_avr(2, rC(ctx->opcode));
gen_op_vmladduhm();
gen_store_avr(rD(ctx->opcode), 0);
}
GEN_VR_VAFORM_PAIRED(vmsumubm, vmsummbm, 36)
GEN_VR_VAFORM_PAIRED(vmsumuhm, vmsumuhs, 38)
GEN_VR_VAFORM_PAIRED(vmsumshm, vmsumshs, 40)
GEN_VR_VAFORM_PAIRED(vsel, vperm, 42)
GEN_VR_VAFORM_PAIRED(vmaddfp, vnmsubfp, 46)
GEN_HANDLER(vsldoi, 0x04, 0x16, 0xFF, 0x00000400, PPC_ALTIVEC)
{
target_ulong sh = VSH(ctx->opcode);
if (unlikely(!ctx->altivec_enabled)) {
GEN_EXCP_NO_VR(ctx);
return;
}
gen_load_avr(0, rA(ctx->opcode));
gen_load_avr(1, rB(ctx->opcode));
tcg_gen_movi_tl(cpu_T[0], sh);
gen_op_vsldoi();
gen_store_avr(rD(ctx->opcode), 0);
}
#endif
/*** SPE extension ***/
/* Register moves */
static always_inline void gen_load_gpr64(TCGv_i64 t, int reg) {
#if defined(TARGET_PPC64)
tcg_gen_mov_i64(t, cpu_gpr[reg]);
#else
tcg_gen_concat_i32_i64(t, cpu_gpr[reg], cpu_gprh[reg]);
#endif
}
static always_inline void gen_store_gpr64(int reg, TCGv_i64 t) {
#if defined(TARGET_PPC64)
tcg_gen_mov_i64(cpu_gpr[reg], t);
#else
TCGv_i64 tmp = tcg_temp_new_i64();
tcg_gen_trunc_i64_i32(cpu_gpr[reg], t);
tcg_gen_shri_i64(tmp, t, 32);
tcg_gen_trunc_i64_i32(cpu_gprh[reg], tmp);
tcg_temp_free_i64(tmp);
#endif
}
#define GEN_SPE(name0, name1, opc2, opc3, inval, type) \
GEN_HANDLER(name0##_##name1, 0x04, opc2, opc3, inval, type) \
{ \
if (Rc(ctx->opcode)) \
gen_##name1(ctx); \
else \
gen_##name0(ctx); \
}
/* Handler for undefined SPE opcodes */
static always_inline void gen_speundef (DisasContext *ctx)
{
gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL);
}
/* SPE logic */
#if defined(TARGET_PPC64)
#define GEN_SPEOP_LOGIC2(name, tcg_op) \
static always_inline void gen_##name (DisasContext *ctx) \
{ \
if (unlikely(!ctx->spe_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_APU); \
return; \
} \
tcg_op(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], \
cpu_gpr[rB(ctx->opcode)]); \
}
#else
#define GEN_SPEOP_LOGIC2(name, tcg_op) \
static always_inline void gen_##name (DisasContext *ctx) \
{ \
if (unlikely(!ctx->spe_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_APU); \
return; \
} \
tcg_op(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], \
cpu_gpr[rB(ctx->opcode)]); \
tcg_op(cpu_gprh[rD(ctx->opcode)], cpu_gprh[rA(ctx->opcode)], \
cpu_gprh[rB(ctx->opcode)]); \
}
#endif
GEN_SPEOP_LOGIC2(evand, tcg_gen_and_tl);
GEN_SPEOP_LOGIC2(evandc, tcg_gen_andc_tl);
GEN_SPEOP_LOGIC2(evxor, tcg_gen_xor_tl);
GEN_SPEOP_LOGIC2(evor, tcg_gen_or_tl);
GEN_SPEOP_LOGIC2(evnor, tcg_gen_nor_tl);
GEN_SPEOP_LOGIC2(eveqv, tcg_gen_eqv_tl);
GEN_SPEOP_LOGIC2(evorc, tcg_gen_orc_tl);
GEN_SPEOP_LOGIC2(evnand, tcg_gen_nand_tl);
/* SPE logic immediate */
#if defined(TARGET_PPC64)
#define GEN_SPEOP_TCG_LOGIC_IMM2(name, tcg_opi) \
static always_inline void gen_##name (DisasContext *ctx) \
{ \
if (unlikely(!ctx->spe_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_APU); \
return; \
} \
TCGv_i32 t0 = tcg_temp_local_new_i32(); \
TCGv_i32 t1 = tcg_temp_local_new_i32(); \
TCGv_i64 t2 = tcg_temp_local_new_i64(); \
tcg_gen_trunc_i64_i32(t0, cpu_gpr[rA(ctx->opcode)]); \
tcg_opi(t0, t0, rB(ctx->opcode)); \
tcg_gen_shri_i64(t2, cpu_gpr[rA(ctx->opcode)], 32); \
tcg_gen_trunc_i64_i32(t1, t2); \
tcg_temp_free_i64(t2); \
tcg_opi(t1, t1, rB(ctx->opcode)); \
tcg_gen_concat_i32_i64(cpu_gpr[rD(ctx->opcode)], t0, t1); \
tcg_temp_free_i32(t0); \
tcg_temp_free_i32(t1); \
}
#else
#define GEN_SPEOP_TCG_LOGIC_IMM2(name, tcg_opi) \
static always_inline void gen_##name (DisasContext *ctx) \
{ \
if (unlikely(!ctx->spe_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_APU); \
return; \
} \
tcg_opi(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], \
rB(ctx->opcode)); \
tcg_opi(cpu_gprh[rD(ctx->opcode)], cpu_gprh[rA(ctx->opcode)], \
rB(ctx->opcode)); \
}
#endif
GEN_SPEOP_TCG_LOGIC_IMM2(evslwi, tcg_gen_shli_i32);
GEN_SPEOP_TCG_LOGIC_IMM2(evsrwiu, tcg_gen_shri_i32);
GEN_SPEOP_TCG_LOGIC_IMM2(evsrwis, tcg_gen_sari_i32);
GEN_SPEOP_TCG_LOGIC_IMM2(evrlwi, tcg_gen_rotli_i32);
/* SPE arithmetic */
#if defined(TARGET_PPC64)
#define GEN_SPEOP_ARITH1(name, tcg_op) \
static always_inline void gen_##name (DisasContext *ctx) \
{ \
if (unlikely(!ctx->spe_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_APU); \
return; \
} \
TCGv_i32 t0 = tcg_temp_local_new_i32(); \
TCGv_i32 t1 = tcg_temp_local_new_i32(); \
TCGv_i64 t2 = tcg_temp_local_new_i64(); \
tcg_gen_trunc_i64_i32(t0, cpu_gpr[rA(ctx->opcode)]); \
tcg_op(t0, t0); \
tcg_gen_shri_i64(t2, cpu_gpr[rA(ctx->opcode)], 32); \
tcg_gen_trunc_i64_i32(t1, t2); \
tcg_temp_free_i64(t2); \
tcg_op(t1, t1); \
tcg_gen_concat_i32_i64(cpu_gpr[rD(ctx->opcode)], t0, t1); \
tcg_temp_free_i32(t0); \
tcg_temp_free_i32(t1); \
}
#else
#define GEN_SPEOP_ARITH1(name, tcg_op) \
static always_inline void gen_##name (DisasContext *ctx) \
{ \
if (unlikely(!ctx->spe_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_APU); \
return; \
} \
tcg_op(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); \
tcg_op(cpu_gprh[rD(ctx->opcode)], cpu_gprh[rA(ctx->opcode)]); \
}
#endif
static always_inline void gen_op_evabs (TCGv_i32 ret, TCGv_i32 arg1)
{
int l1 = gen_new_label();
int l2 = gen_new_label();
tcg_gen_brcondi_i32(TCG_COND_GE, arg1, 0, l1);
tcg_gen_neg_i32(ret, arg1);
tcg_gen_br(l2);
gen_set_label(l1);
tcg_gen_mov_i32(ret, arg1);
gen_set_label(l2);
}
GEN_SPEOP_ARITH1(evabs, gen_op_evabs);
GEN_SPEOP_ARITH1(evneg, tcg_gen_neg_i32);
GEN_SPEOP_ARITH1(evextsb, tcg_gen_ext8s_i32);
GEN_SPEOP_ARITH1(evextsh, tcg_gen_ext16s_i32);
static always_inline void gen_op_evrndw (TCGv_i32 ret, TCGv_i32 arg1)
{
tcg_gen_addi_i32(ret, arg1, 0x8000);
tcg_gen_ext16u_i32(ret, ret);
}
GEN_SPEOP_ARITH1(evrndw, gen_op_evrndw);
GEN_SPEOP_ARITH1(evcntlsw, gen_helper_cntlsw32);
GEN_SPEOP_ARITH1(evcntlzw, gen_helper_cntlzw32);
#if defined(TARGET_PPC64)
#define GEN_SPEOP_ARITH2(name, tcg_op) \
static always_inline void gen_##name (DisasContext *ctx) \
{ \
if (unlikely(!ctx->spe_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_APU); \
return; \
} \
TCGv_i32 t0 = tcg_temp_local_new_i32(); \
TCGv_i32 t1 = tcg_temp_local_new_i32(); \
TCGv_i32 t2 = tcg_temp_local_new_i32(); \
TCGv_i64 t3 = tcg_temp_local_new(TCG_TYPE_I64); \
tcg_gen_trunc_i64_i32(t0, cpu_gpr[rA(ctx->opcode)]); \
tcg_gen_trunc_i64_i32(t2, cpu_gpr[rB(ctx->opcode)]); \
tcg_op(t0, t0, t2); \
tcg_gen_shri_i64(t3, cpu_gpr[rA(ctx->opcode)], 32); \
tcg_gen_trunc_i64_i32(t1, t3); \
tcg_gen_shri_i64(t3, cpu_gpr[rB(ctx->opcode)], 32); \
tcg_gen_trunc_i64_i32(t2, t3); \
tcg_temp_free_i64(t3); \
tcg_op(t1, t1, t2); \
tcg_temp_free_i32(t2); \
tcg_gen_concat_i32_i64(cpu_gpr[rD(ctx->opcode)], t0, t1); \
tcg_temp_free_i32(t0); \
tcg_temp_free_i32(t1); \
}
#else
#define GEN_SPEOP_ARITH2(name, tcg_op) \
static always_inline void gen_##name (DisasContext *ctx) \
{ \
if (unlikely(!ctx->spe_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_APU); \
return; \
} \
tcg_op(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], \
cpu_gpr[rB(ctx->opcode)]); \
tcg_op(cpu_gprh[rD(ctx->opcode)], cpu_gprh[rA(ctx->opcode)], \
cpu_gprh[rB(ctx->opcode)]); \
}
#endif
static always_inline void gen_op_evsrwu (TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
{
TCGv_i32 t0;
int l1, l2;
l1 = gen_new_label();
l2 = gen_new_label();
t0 = tcg_temp_local_new_i32();
/* No error here: 6 bits are used */
tcg_gen_andi_i32(t0, arg2, 0x3F);
tcg_gen_brcondi_i32(TCG_COND_GE, t0, 32, l1);
tcg_gen_shr_i32(ret, arg1, t0);
tcg_gen_br(l2);
gen_set_label(l1);
tcg_gen_movi_i32(ret, 0);
tcg_gen_br(l2);
tcg_temp_free_i32(t0);
}
GEN_SPEOP_ARITH2(evsrwu, gen_op_evsrwu);
static always_inline void gen_op_evsrws (TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
{
TCGv_i32 t0;
int l1, l2;
l1 = gen_new_label();
l2 = gen_new_label();
t0 = tcg_temp_local_new_i32();
/* No error here: 6 bits are used */
tcg_gen_andi_i32(t0, arg2, 0x3F);
tcg_gen_brcondi_i32(TCG_COND_GE, t0, 32, l1);
tcg_gen_sar_i32(ret, arg1, t0);
tcg_gen_br(l2);
gen_set_label(l1);
tcg_gen_movi_i32(ret, 0);
tcg_gen_br(l2);
tcg_temp_free_i32(t0);
}
GEN_SPEOP_ARITH2(evsrws, gen_op_evsrws);
static always_inline void gen_op_evslw (TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
{
TCGv_i32 t0;
int l1, l2;
l1 = gen_new_label();
l2 = gen_new_label();
t0 = tcg_temp_local_new_i32();
/* No error here: 6 bits are used */
tcg_gen_andi_i32(t0, arg2, 0x3F);
tcg_gen_brcondi_i32(TCG_COND_GE, t0, 32, l1);
tcg_gen_shl_i32(ret, arg1, t0);
tcg_gen_br(l2);
gen_set_label(l1);
tcg_gen_movi_i32(ret, 0);
tcg_gen_br(l2);
tcg_temp_free_i32(t0);
}
GEN_SPEOP_ARITH2(evslw, gen_op_evslw);
static always_inline void gen_op_evrlw (TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
{
TCGv_i32 t0 = tcg_temp_new_i32();
tcg_gen_andi_i32(t0, arg2, 0x1F);
tcg_gen_rotl_i32(ret, arg1, t0);
tcg_temp_free_i32(t0);
}
GEN_SPEOP_ARITH2(evrlw, gen_op_evrlw);
static always_inline void gen_evmergehi (DisasContext *ctx)
{
if (unlikely(!ctx->spe_enabled)) {
gen_exception(ctx, POWERPC_EXCP_APU);
return;
}
#if defined(TARGET_PPC64)
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
tcg_gen_shri_tl(t0, cpu_gpr[rB(ctx->opcode)], 32);
tcg_gen_andi_tl(t1, cpu_gpr[rA(ctx->opcode)], 0xFFFFFFFF0000000ULL);
tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], t0, t1);
tcg_temp_free(t0);
tcg_temp_free(t1);
#else
tcg_gen_mov_i32(cpu_gpr[rD(ctx->opcode)], cpu_gprh[rB(ctx->opcode)]);
tcg_gen_mov_i32(cpu_gprh[rD(ctx->opcode)], cpu_gprh[rA(ctx->opcode)]);
#endif
}
GEN_SPEOP_ARITH2(evaddw, tcg_gen_add_i32);
static always_inline void gen_op_evsubf (TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
{
tcg_gen_sub_i32(ret, arg2, arg1);
}
GEN_SPEOP_ARITH2(evsubfw, gen_op_evsubf);
/* SPE arithmetic immediate */
#if defined(TARGET_PPC64)
#define GEN_SPEOP_ARITH_IMM2(name, tcg_op) \
static always_inline void gen_##name (DisasContext *ctx) \
{ \
if (unlikely(!ctx->spe_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_APU); \
return; \
} \
TCGv_i32 t0 = tcg_temp_local_new_i32(); \
TCGv_i32 t1 = tcg_temp_local_new_i32(); \
TCGv_i64 t2 = tcg_temp_local_new_i64(); \
tcg_gen_trunc_i64_i32(t0, cpu_gpr[rB(ctx->opcode)]); \
tcg_op(t0, t0, rA(ctx->opcode)); \
tcg_gen_shri_i64(t2, cpu_gpr[rB(ctx->opcode)], 32); \
tcg_gen_trunc_i64_i32(t1, t2); \
tcg_temp_free_i64(t2); \
tcg_op(t1, t1, rA(ctx->opcode)); \
tcg_gen_concat_i32_i64(cpu_gpr[rD(ctx->opcode)], t0, t1); \
tcg_temp_free_i32(t0); \
tcg_temp_free_i32(t1); \
}
#else
#define GEN_SPEOP_ARITH_IMM2(name, tcg_op) \
static always_inline void gen_##name (DisasContext *ctx) \
{ \
if (unlikely(!ctx->spe_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_APU); \
return; \
} \
tcg_op(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \
rA(ctx->opcode)); \
tcg_op(cpu_gprh[rD(ctx->opcode)], cpu_gprh[rB(ctx->opcode)], \
rA(ctx->opcode)); \
}
#endif
GEN_SPEOP_ARITH_IMM2(evaddiw, tcg_gen_addi_i32);
GEN_SPEOP_ARITH_IMM2(evsubifw, tcg_gen_subi_i32);
/* SPE comparison */
#if defined(TARGET_PPC64)
#define GEN_SPEOP_COMP(name, tcg_cond) \
static always_inline void gen_##name (DisasContext *ctx) \
{ \
if (unlikely(!ctx->spe_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_APU); \
return; \
} \
int l1 = gen_new_label(); \
int l2 = gen_new_label(); \
int l3 = gen_new_label(); \
int l4 = gen_new_label(); \
TCGv_i32 t0 = tcg_temp_local_new_i32(); \
TCGv_i32 t1 = tcg_temp_local_new_i32(); \
TCGv_i64 t2 = tcg_temp_local_new_i64(); \
tcg_gen_trunc_i64_i32(t0, cpu_gpr[rA(ctx->opcode)]); \
tcg_gen_trunc_i64_i32(t1, cpu_gpr[rB(ctx->opcode)]); \
tcg_gen_brcond_i32(tcg_cond, t0, t1, l1); \
tcg_gen_movi_i32(cpu_crf[crfD(ctx->opcode)], 0); \
tcg_gen_br(l2); \
gen_set_label(l1); \
tcg_gen_movi_i32(cpu_crf[crfD(ctx->opcode)], \
CRF_CL | CRF_CH_OR_CL | CRF_CH_AND_CL); \
gen_set_label(l2); \
tcg_gen_shri_i64(t2, cpu_gpr[rA(ctx->opcode)], 32); \
tcg_gen_trunc_i64_i32(t0, t2); \
tcg_gen_shri_i64(t2, cpu_gpr[rB(ctx->opcode)], 32); \
tcg_gen_trunc_i64_i32(t1, t2); \
tcg_temp_free_i64(t2); \
tcg_gen_brcond_i32(tcg_cond, t0, t1, l3); \
tcg_gen_andi_i32(cpu_crf[crfD(ctx->opcode)], cpu_crf[crfD(ctx->opcode)], \
~(CRF_CH | CRF_CH_AND_CL)); \
tcg_gen_br(l4); \
gen_set_label(l3); \
tcg_gen_ori_i32(cpu_crf[crfD(ctx->opcode)], cpu_crf[crfD(ctx->opcode)], \
CRF_CH | CRF_CH_OR_CL); \
gen_set_label(l4); \
tcg_temp_free_i32(t0); \
tcg_temp_free_i32(t1); \
}
#else
#define GEN_SPEOP_COMP(name, tcg_cond) \
static always_inline void gen_##name (DisasContext *ctx) \
{ \
if (unlikely(!ctx->spe_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_APU); \
return; \
} \
int l1 = gen_new_label(); \
int l2 = gen_new_label(); \
int l3 = gen_new_label(); \
int l4 = gen_new_label(); \
\
tcg_gen_brcond_i32(tcg_cond, cpu_gpr[rA(ctx->opcode)], \
cpu_gpr[rB(ctx->opcode)], l1); \
tcg_gen_movi_tl(cpu_crf[crfD(ctx->opcode)], 0); \
tcg_gen_br(l2); \
gen_set_label(l1); \
tcg_gen_movi_i32(cpu_crf[crfD(ctx->opcode)], \
CRF_CL | CRF_CH_OR_CL | CRF_CH_AND_CL); \
gen_set_label(l2); \
tcg_gen_brcond_i32(tcg_cond, cpu_gprh[rA(ctx->opcode)], \
cpu_gprh[rB(ctx->opcode)], l3); \
tcg_gen_andi_i32(cpu_crf[crfD(ctx->opcode)], cpu_crf[crfD(ctx->opcode)], \
~(CRF_CH | CRF_CH_AND_CL)); \
tcg_gen_br(l4); \
gen_set_label(l3); \
tcg_gen_ori_i32(cpu_crf[crfD(ctx->opcode)], cpu_crf[crfD(ctx->opcode)], \
CRF_CH | CRF_CH_OR_CL); \
gen_set_label(l4); \
}
#endif
GEN_SPEOP_COMP(evcmpgtu, TCG_COND_GTU);
GEN_SPEOP_COMP(evcmpgts, TCG_COND_GT);
GEN_SPEOP_COMP(evcmpltu, TCG_COND_LTU);
GEN_SPEOP_COMP(evcmplts, TCG_COND_LT);
GEN_SPEOP_COMP(evcmpeq, TCG_COND_EQ);
/* SPE misc */
static always_inline void gen_brinc (DisasContext *ctx)
{
/* Note: brinc is usable even if SPE is disabled */
gen_helper_brinc(cpu_gpr[rD(ctx->opcode)],
cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
}
static always_inline void gen_evmergelo (DisasContext *ctx)
{
if (unlikely(!ctx->spe_enabled)) {
gen_exception(ctx, POWERPC_EXCP_APU);
return;
}
#if defined(TARGET_PPC64)
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x00000000FFFFFFFFLL);
tcg_gen_shli_tl(t1, cpu_gpr[rA(ctx->opcode)], 32);
tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], t0, t1);
tcg_temp_free(t0);
tcg_temp_free(t1);
#else
tcg_gen_mov_i32(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
tcg_gen_mov_i32(cpu_gprh[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
#endif
}
static always_inline void gen_evmergehilo (DisasContext *ctx)
{
if (unlikely(!ctx->spe_enabled)) {
gen_exception(ctx, POWERPC_EXCP_APU);
return;
}
#if defined(TARGET_PPC64)
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x00000000FFFFFFFFLL);
tcg_gen_andi_tl(t1, cpu_gpr[rA(ctx->opcode)], 0xFFFFFFFF0000000ULL);
tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], t0, t1);
tcg_temp_free(t0);
tcg_temp_free(t1);
#else
tcg_gen_mov_i32(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
tcg_gen_mov_i32(cpu_gprh[rD(ctx->opcode)], cpu_gprh[rA(ctx->opcode)]);
#endif
}
static always_inline void gen_evmergelohi (DisasContext *ctx)
{
if (unlikely(!ctx->spe_enabled)) {
gen_exception(ctx, POWERPC_EXCP_APU);
return;
}
#if defined(TARGET_PPC64)
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
tcg_gen_shri_tl(t0, cpu_gpr[rB(ctx->opcode)], 32);
tcg_gen_shli_tl(t1, cpu_gpr[rA(ctx->opcode)], 32);
tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], t0, t1);
tcg_temp_free(t0);
tcg_temp_free(t1);
#else
tcg_gen_mov_i32(cpu_gpr[rD(ctx->opcode)], cpu_gprh[rB(ctx->opcode)]);
tcg_gen_mov_i32(cpu_gprh[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
#endif
}
static always_inline void gen_evsplati (DisasContext *ctx)
{
uint64_t imm = ((int32_t)(rA(ctx->opcode) << 11)) >> 27;
#if defined(TARGET_PPC64)
tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], (imm << 32) | imm);
#else
tcg_gen_movi_i32(cpu_gpr[rD(ctx->opcode)], imm);
tcg_gen_movi_i32(cpu_gprh[rD(ctx->opcode)], imm);
#endif
}
static always_inline void gen_evsplatfi (DisasContext *ctx)
{
uint64_t imm = rA(ctx->opcode) << 11;
#if defined(TARGET_PPC64)
tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], (imm << 32) | imm);
#else
tcg_gen_movi_i32(cpu_gpr[rD(ctx->opcode)], imm);
tcg_gen_movi_i32(cpu_gprh[rD(ctx->opcode)], imm);
#endif
}
static always_inline void gen_evsel (DisasContext *ctx)
{
int l1 = gen_new_label();
int l2 = gen_new_label();
int l3 = gen_new_label();
int l4 = gen_new_label();
TCGv_i32 t0 = tcg_temp_local_new_i32();
#if defined(TARGET_PPC64)
TCGv t1 = tcg_temp_local_new();
TCGv t2 = tcg_temp_local_new();
#endif
tcg_gen_andi_i32(t0, cpu_crf[ctx->opcode & 0x07], 1 << 3);
tcg_gen_brcondi_i32(TCG_COND_EQ, t0, 0, l1);
#if defined(TARGET_PPC64)
tcg_gen_andi_tl(t1, cpu_gpr[rA(ctx->opcode)], 0xFFFFFFFF00000000ULL);
#else
tcg_gen_mov_tl(cpu_gprh[rD(ctx->opcode)], cpu_gprh[rA(ctx->opcode)]);
#endif
tcg_gen_br(l2);
gen_set_label(l1);
#if defined(TARGET_PPC64)
tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0xFFFFFFFF00000000ULL);
#else
tcg_gen_mov_tl(cpu_gprh[rD(ctx->opcode)], cpu_gprh[rB(ctx->opcode)]);
#endif
gen_set_label(l2);
tcg_gen_andi_i32(t0, cpu_crf[ctx->opcode & 0x07], 1 << 2);
tcg_gen_brcondi_i32(TCG_COND_EQ, t0, 0, l3);
#if defined(TARGET_PPC64)
tcg_gen_andi_tl(t2, cpu_gpr[rA(ctx->opcode)], 0x00000000FFFFFFFFULL);
#else
tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]);
#endif
tcg_gen_br(l4);
gen_set_label(l3);
#if defined(TARGET_PPC64)
tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x00000000FFFFFFFFULL);
#else
tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]);
#endif
gen_set_label(l4);
tcg_temp_free_i32(t0);
#if defined(TARGET_PPC64)
tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], t1, t2);
tcg_temp_free(t1);
tcg_temp_free(t2);
#endif
}
GEN_HANDLER2(evsel0, "evsel", 0x04, 0x1c, 0x09, 0x00000000, PPC_SPE)
{
gen_evsel(ctx);
}
GEN_HANDLER2(evsel1, "evsel", 0x04, 0x1d, 0x09, 0x00000000, PPC_SPE)
{
gen_evsel(ctx);
}
GEN_HANDLER2(evsel2, "evsel", 0x04, 0x1e, 0x09, 0x00000000, PPC_SPE)
{
gen_evsel(ctx);
}
GEN_HANDLER2(evsel3, "evsel", 0x04, 0x1f, 0x09, 0x00000000, PPC_SPE)
{
gen_evsel(ctx);
}
GEN_SPE(evaddw, speundef, 0x00, 0x08, 0x00000000, PPC_SPE); ////
GEN_SPE(evaddiw, speundef, 0x01, 0x08, 0x00000000, PPC_SPE);
GEN_SPE(evsubfw, speundef, 0x02, 0x08, 0x00000000, PPC_SPE); ////
GEN_SPE(evsubifw, speundef, 0x03, 0x08, 0x00000000, PPC_SPE);
GEN_SPE(evabs, evneg, 0x04, 0x08, 0x0000F800, PPC_SPE); ////
GEN_SPE(evextsb, evextsh, 0x05, 0x08, 0x0000F800, PPC_SPE); ////
GEN_SPE(evrndw, evcntlzw, 0x06, 0x08, 0x0000F800, PPC_SPE); ////
GEN_SPE(evcntlsw, brinc, 0x07, 0x08, 0x00000000, PPC_SPE); //
GEN_SPE(speundef, evand, 0x08, 0x08, 0x00000000, PPC_SPE); ////
GEN_SPE(evandc, speundef, 0x09, 0x08, 0x00000000, PPC_SPE); ////
GEN_SPE(evxor, evor, 0x0B, 0x08, 0x00000000, PPC_SPE); ////
GEN_SPE(evnor, eveqv, 0x0C, 0x08, 0x00000000, PPC_SPE); ////
GEN_SPE(speundef, evorc, 0x0D, 0x08, 0x00000000, PPC_SPE); ////
GEN_SPE(evnand, speundef, 0x0F, 0x08, 0x00000000, PPC_SPE); ////
GEN_SPE(evsrwu, evsrws, 0x10, 0x08, 0x00000000, PPC_SPE); ////
GEN_SPE(evsrwiu, evsrwis, 0x11, 0x08, 0x00000000, PPC_SPE);
GEN_SPE(evslw, speundef, 0x12, 0x08, 0x00000000, PPC_SPE); ////
GEN_SPE(evslwi, speundef, 0x13, 0x08, 0x00000000, PPC_SPE);
GEN_SPE(evrlw, evsplati, 0x14, 0x08, 0x00000000, PPC_SPE); //
GEN_SPE(evrlwi, evsplatfi, 0x15, 0x08, 0x00000000, PPC_SPE);
GEN_SPE(evmergehi, evmergelo, 0x16, 0x08, 0x00000000, PPC_SPE); ////
GEN_SPE(evmergehilo, evmergelohi, 0x17, 0x08, 0x00000000, PPC_SPE); ////
GEN_SPE(evcmpgtu, evcmpgts, 0x18, 0x08, 0x00600000, PPC_SPE); ////
GEN_SPE(evcmpltu, evcmplts, 0x19, 0x08, 0x00600000, PPC_SPE); ////
GEN_SPE(evcmpeq, speundef, 0x1A, 0x08, 0x00600000, PPC_SPE); ////
/* SPE load and stores */
static always_inline void gen_addr_spe_imm_index (DisasContext *ctx, TCGv EA, int sh)
{
target_ulong uimm = rB(ctx->opcode);
if (rA(ctx->opcode) == 0) {
tcg_gen_movi_tl(EA, uimm << sh);
} else {
tcg_gen_addi_tl(EA, cpu_gpr[rA(ctx->opcode)], uimm << sh);
#if defined(TARGET_PPC64)
if (!ctx->sf_mode) {
tcg_gen_ext32u_tl(EA, EA);
}
#endif
}
}
static always_inline void gen_op_evldd(DisasContext *ctx, TCGv addr)
{
#if defined(TARGET_PPC64)
gen_qemu_ld64(ctx, cpu_gpr[rD(ctx->opcode)], addr);
#else
TCGv_i64 t0 = tcg_temp_new_i64();
gen_qemu_ld64(ctx, t0, addr);
tcg_gen_trunc_i64_i32(cpu_gpr[rD(ctx->opcode)], t0);
tcg_gen_shri_i64(t0, t0, 32);
tcg_gen_trunc_i64_i32(cpu_gprh[rD(ctx->opcode)], t0);
tcg_temp_free_i64(t0);
#endif
}
static always_inline void gen_op_evldw(DisasContext *ctx, TCGv addr)
{
#if defined(TARGET_PPC64)
TCGv t0 = tcg_temp_new();
gen_qemu_ld32u(ctx, t0, addr);
tcg_gen_shli_tl(cpu_gpr[rD(ctx->opcode)], t0, 32);
gen_addr_add(ctx, addr, addr, 4);
gen_qemu_ld32u(ctx, t0, addr);
tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], t0);
tcg_temp_free(t0);
#else
gen_qemu_ld32u(ctx, cpu_gprh[rD(ctx->opcode)], addr);
gen_addr_add(ctx, addr, addr, 4);
gen_qemu_ld32u(ctx, cpu_gpr[rD(ctx->opcode)], addr);
#endif
}
static always_inline void gen_op_evldh(DisasContext *ctx, TCGv addr)
{
TCGv t0 = tcg_temp_new();
#if defined(TARGET_PPC64)
gen_qemu_ld16u(ctx, t0, addr);
tcg_gen_shli_tl(cpu_gpr[rD(ctx->opcode)], t0, 48);
gen_addr_add(ctx, addr, addr, 2);
gen_qemu_ld16u(ctx, t0, addr);
tcg_gen_shli_tl(t0, t0, 32);
tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], t0);
gen_addr_add(ctx, addr, addr, 2);
gen_qemu_ld16u(ctx, t0, addr);
tcg_gen_shli_tl(t0, t0, 16);
tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], t0);
gen_addr_add(ctx, addr, addr, 2);
gen_qemu_ld16u(ctx, t0, addr);
tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], t0);
#else
gen_qemu_ld16u(ctx, t0, addr);
tcg_gen_shli_tl(cpu_gprh[rD(ctx->opcode)], t0, 16);
gen_addr_add(ctx, addr, addr, 2);
gen_qemu_ld16u(ctx, t0, addr);
tcg_gen_or_tl(cpu_gprh[rD(ctx->opcode)], cpu_gprh[rD(ctx->opcode)], t0);
gen_addr_add(ctx, addr, addr, 2);
gen_qemu_ld16u(ctx, t0, addr);
tcg_gen_shli_tl(cpu_gprh[rD(ctx->opcode)], t0, 16);
gen_addr_add(ctx, addr, addr, 2);
gen_qemu_ld16u(ctx, t0, addr);
tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], t0);
#endif
tcg_temp_free(t0);
}
static always_inline void gen_op_evlhhesplat(DisasContext *ctx, TCGv addr)
{
TCGv t0 = tcg_temp_new();
gen_qemu_ld16u(ctx, t0, addr);
#if defined(TARGET_PPC64)
tcg_gen_shli_tl(cpu_gpr[rD(ctx->opcode)], t0, 48);
tcg_gen_shli_tl(t0, t0, 16);
tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], t0);
#else
tcg_gen_shli_tl(t0, t0, 16);
tcg_gen_mov_tl(cpu_gprh[rD(ctx->opcode)], t0);
tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], t0);
#endif
tcg_temp_free(t0);
}
static always_inline void gen_op_evlhhousplat(DisasContext *ctx, TCGv addr)
{
TCGv t0 = tcg_temp_new();
gen_qemu_ld16u(ctx, t0, addr);
#if defined(TARGET_PPC64)
tcg_gen_shli_tl(cpu_gpr[rD(ctx->opcode)], t0, 32);
tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], t0);
#else
tcg_gen_mov_tl(cpu_gprh[rD(ctx->opcode)], t0);
tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], t0);
#endif
tcg_temp_free(t0);
}
static always_inline void gen_op_evlhhossplat(DisasContext *ctx, TCGv addr)
{
TCGv t0 = tcg_temp_new();
gen_qemu_ld16s(ctx, t0, addr);
#if defined(TARGET_PPC64)
tcg_gen_shli_tl(cpu_gpr[rD(ctx->opcode)], t0, 32);
tcg_gen_ext32u_tl(t0, t0);
tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], t0);
#else
tcg_gen_mov_tl(cpu_gprh[rD(ctx->opcode)], t0);
tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], t0);
#endif
tcg_temp_free(t0);
}
static always_inline void gen_op_evlwhe(DisasContext *ctx, TCGv addr)
{
TCGv t0 = tcg_temp_new();
#if defined(TARGET_PPC64)
gen_qemu_ld16u(ctx, t0, addr);
tcg_gen_shli_tl(cpu_gpr[rD(ctx->opcode)], t0, 48);
gen_addr_add(ctx, addr, addr, 2);
gen_qemu_ld16u(ctx, t0, addr);
tcg_gen_shli_tl(t0, t0, 16);
tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], t0);
#else
gen_qemu_ld16u(ctx, t0, addr);
tcg_gen_shli_tl(cpu_gprh[rD(ctx->opcode)], t0, 16);
gen_addr_add(ctx, addr, addr, 2);
gen_qemu_ld16u(ctx, t0, addr);
tcg_gen_shli_tl(cpu_gpr[rD(ctx->opcode)], t0, 16);
#endif
tcg_temp_free(t0);
}
static always_inline void gen_op_evlwhou(DisasContext *ctx, TCGv addr)
{
#if defined(TARGET_PPC64)
TCGv t0 = tcg_temp_new();
gen_qemu_ld16u(ctx, cpu_gpr[rD(ctx->opcode)], addr);
gen_addr_add(ctx, addr, addr, 2);
gen_qemu_ld16u(ctx, t0, addr);
tcg_gen_shli_tl(t0, t0, 32);
tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], t0);
tcg_temp_free(t0);
#else
gen_qemu_ld16u(ctx, cpu_gprh[rD(ctx->opcode)], addr);
gen_addr_add(ctx, addr, addr, 2);
gen_qemu_ld16u(ctx, cpu_gpr[rD(ctx->opcode)], addr);
#endif
}
static always_inline void gen_op_evlwhos(DisasContext *ctx, TCGv addr)
{
#if defined(TARGET_PPC64)
TCGv t0 = tcg_temp_new();
gen_qemu_ld16s(ctx, t0, addr);
tcg_gen_ext32u_tl(cpu_gpr[rD(ctx->opcode)], t0);
gen_addr_add(ctx, addr, addr, 2);
gen_qemu_ld16s(ctx, t0, addr);
tcg_gen_shli_tl(t0, t0, 32);
tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], t0);
tcg_temp_free(t0);
#else
gen_qemu_ld16s(ctx, cpu_gprh[rD(ctx->opcode)], addr);
gen_addr_add(ctx, addr, addr, 2);
gen_qemu_ld16s(ctx, cpu_gpr[rD(ctx->opcode)], addr);
#endif
}
static always_inline void gen_op_evlwwsplat(DisasContext *ctx, TCGv addr)
{
TCGv t0 = tcg_temp_new();
gen_qemu_ld32u(ctx, t0, addr);
#if defined(TARGET_PPC64)
tcg_gen_shli_tl(cpu_gpr[rD(ctx->opcode)], t0, 32);
tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], t0);
#else
tcg_gen_mov_tl(cpu_gprh[rD(ctx->opcode)], t0);
tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], t0);
#endif
tcg_temp_free(t0);
}
static always_inline void gen_op_evlwhsplat(DisasContext *ctx, TCGv addr)
{
TCGv t0 = tcg_temp_new();
#if defined(TARGET_PPC64)
gen_qemu_ld16u(ctx, t0, addr);
tcg_gen_shli_tl(cpu_gpr[rD(ctx->opcode)], t0, 48);
tcg_gen_shli_tl(t0, t0, 32);
tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], t0);
gen_addr_add(ctx, addr, addr, 2);
gen_qemu_ld16u(ctx, t0, addr);
tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], t0);
tcg_gen_shli_tl(t0, t0, 16);
tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], t0);
#else
gen_qemu_ld16u(ctx, t0, addr);
tcg_gen_shli_tl(cpu_gprh[rD(ctx->opcode)], t0, 16);
tcg_gen_or_tl(cpu_gprh[rD(ctx->opcode)], cpu_gprh[rD(ctx->opcode)], t0);
gen_addr_add(ctx, addr, addr, 2);
gen_qemu_ld16u(ctx, t0, addr);
tcg_gen_shli_tl(cpu_gpr[rD(ctx->opcode)], t0, 16);
tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gprh[rD(ctx->opcode)], t0);
#endif
tcg_temp_free(t0);
}
static always_inline void gen_op_evstdd(DisasContext *ctx, TCGv addr)
{
#if defined(TARGET_PPC64)
gen_qemu_st64(ctx, cpu_gpr[rS(ctx->opcode)], addr);
#else
TCGv_i64 t0 = tcg_temp_new_i64();
tcg_gen_concat_i32_i64(t0, cpu_gpr[rS(ctx->opcode)], cpu_gprh[rS(ctx->opcode)]);
gen_qemu_st64(ctx, t0, addr);
tcg_temp_free_i64(t0);
#endif
}
static always_inline void gen_op_evstdw(DisasContext *ctx, TCGv addr)
{
#if defined(TARGET_PPC64)
TCGv t0 = tcg_temp_new();
tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], 32);
gen_qemu_st32(ctx, t0, addr);
tcg_temp_free(t0);
#else
gen_qemu_st32(ctx, cpu_gprh[rS(ctx->opcode)], addr);
#endif
gen_addr_add(ctx, addr, addr, 4);
gen_qemu_st32(ctx, cpu_gpr[rS(ctx->opcode)], addr);
}
static always_inline void gen_op_evstdh(DisasContext *ctx, TCGv addr)
{
TCGv t0 = tcg_temp_new();
#if defined(TARGET_PPC64)
tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], 48);
#else
tcg_gen_shri_tl(t0, cpu_gprh[rS(ctx->opcode)], 16);
#endif
gen_qemu_st16(ctx, t0, addr);
gen_addr_add(ctx, addr, addr, 2);
#if defined(TARGET_PPC64)
tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], 32);
gen_qemu_st16(ctx, t0, addr);
#else
gen_qemu_st16(ctx, cpu_gprh[rS(ctx->opcode)], addr);
#endif
gen_addr_add(ctx, addr, addr, 2);
tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], 16);
gen_qemu_st16(ctx, t0, addr);
tcg_temp_free(t0);
gen_addr_add(ctx, addr, addr, 2);
gen_qemu_st16(ctx, cpu_gpr[rS(ctx->opcode)], addr);
}
static always_inline void gen_op_evstwhe(DisasContext *ctx, TCGv addr)
{
TCGv t0 = tcg_temp_new();
#if defined(TARGET_PPC64)
tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], 48);
#else
tcg_gen_shri_tl(t0, cpu_gprh[rS(ctx->opcode)], 16);
#endif
gen_qemu_st16(ctx, t0, addr);
gen_addr_add(ctx, addr, addr, 2);
tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], 16);
gen_qemu_st16(ctx, t0, addr);
tcg_temp_free(t0);
}
static always_inline void gen_op_evstwho(DisasContext *ctx, TCGv addr)
{
#if defined(TARGET_PPC64)
TCGv t0 = tcg_temp_new();
tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], 32);
gen_qemu_st16(ctx, t0, addr);
tcg_temp_free(t0);
#else
gen_qemu_st16(ctx, cpu_gprh[rS(ctx->opcode)], addr);
#endif
gen_addr_add(ctx, addr, addr, 2);
gen_qemu_st16(ctx, cpu_gpr[rS(ctx->opcode)], addr);
}
static always_inline void gen_op_evstwwe(DisasContext *ctx, TCGv addr)
{
#if defined(TARGET_PPC64)
TCGv t0 = tcg_temp_new();
tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], 32);
gen_qemu_st32(ctx, t0, addr);
tcg_temp_free(t0);
#else
gen_qemu_st32(ctx, cpu_gprh[rS(ctx->opcode)], addr);
#endif
}
static always_inline void gen_op_evstwwo(DisasContext *ctx, TCGv addr)
{
gen_qemu_st32(ctx, cpu_gpr[rS(ctx->opcode)], addr);
}
#define GEN_SPEOP_LDST(name, opc2, sh) \
GEN_HANDLER(name, 0x04, opc2, 0x0C, 0x00000000, PPC_SPE) \
{ \
TCGv t0; \
if (unlikely(!ctx->spe_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_APU); \
return; \
} \
gen_set_access_type(ctx, ACCESS_INT); \
t0 = tcg_temp_new(); \
if (Rc(ctx->opcode)) { \
gen_addr_spe_imm_index(ctx, t0, sh); \
} else { \
gen_addr_reg_index(ctx, t0); \
} \
gen_op_##name(ctx, t0); \
tcg_temp_free(t0); \
}
GEN_SPEOP_LDST(evldd, 0x00, 3);
GEN_SPEOP_LDST(evldw, 0x01, 3);
GEN_SPEOP_LDST(evldh, 0x02, 3);
GEN_SPEOP_LDST(evlhhesplat, 0x04, 1);
GEN_SPEOP_LDST(evlhhousplat, 0x06, 1);
GEN_SPEOP_LDST(evlhhossplat, 0x07, 1);
GEN_SPEOP_LDST(evlwhe, 0x08, 2);
GEN_SPEOP_LDST(evlwhou, 0x0A, 2);
GEN_SPEOP_LDST(evlwhos, 0x0B, 2);
GEN_SPEOP_LDST(evlwwsplat, 0x0C, 2);
GEN_SPEOP_LDST(evlwhsplat, 0x0E, 2);
GEN_SPEOP_LDST(evstdd, 0x10, 3);
GEN_SPEOP_LDST(evstdw, 0x11, 3);
GEN_SPEOP_LDST(evstdh, 0x12, 3);
GEN_SPEOP_LDST(evstwhe, 0x18, 2);
GEN_SPEOP_LDST(evstwho, 0x1A, 2);
GEN_SPEOP_LDST(evstwwe, 0x1C, 2);
GEN_SPEOP_LDST(evstwwo, 0x1E, 2);
/* Multiply and add - TODO */
#if 0
GEN_SPE(speundef, evmhessf, 0x01, 0x10, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmhossf, 0x03, 0x10, 0x00000000, PPC_SPE);
GEN_SPE(evmheumi, evmhesmi, 0x04, 0x10, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmhesmf, 0x05, 0x10, 0x00000000, PPC_SPE);
GEN_SPE(evmhoumi, evmhosmi, 0x06, 0x10, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmhosmf, 0x07, 0x10, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmhessfa, 0x11, 0x10, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmhossfa, 0x13, 0x10, 0x00000000, PPC_SPE);
GEN_SPE(evmheumia, evmhesmia, 0x14, 0x10, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmhesmfa, 0x15, 0x10, 0x00000000, PPC_SPE);
GEN_SPE(evmhoumia, evmhosmia, 0x16, 0x10, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmhosmfa, 0x17, 0x10, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmwhssf, 0x03, 0x11, 0x00000000, PPC_SPE);
GEN_SPE(evmwlumi, speundef, 0x04, 0x11, 0x00000000, PPC_SPE);
GEN_SPE(evmwhumi, evmwhsmi, 0x06, 0x11, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmwhsmf, 0x07, 0x11, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmwssf, 0x09, 0x11, 0x00000000, PPC_SPE);
GEN_SPE(evmwumi, evmwsmi, 0x0C, 0x11, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmwsmf, 0x0D, 0x11, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmwhssfa, 0x13, 0x11, 0x00000000, PPC_SPE);
GEN_SPE(evmwlumia, speundef, 0x14, 0x11, 0x00000000, PPC_SPE);
GEN_SPE(evmwhumia, evmwhsmia, 0x16, 0x11, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmwhsmfa, 0x17, 0x11, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmwssfa, 0x19, 0x11, 0x00000000, PPC_SPE);
GEN_SPE(evmwumia, evmwsmia, 0x1C, 0x11, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmwsmfa, 0x1D, 0x11, 0x00000000, PPC_SPE);
GEN_SPE(evadduiaaw, evaddsiaaw, 0x00, 0x13, 0x0000F800, PPC_SPE);
GEN_SPE(evsubfusiaaw, evsubfssiaaw, 0x01, 0x13, 0x0000F800, PPC_SPE);
GEN_SPE(evaddumiaaw, evaddsmiaaw, 0x04, 0x13, 0x0000F800, PPC_SPE);
GEN_SPE(evsubfumiaaw, evsubfsmiaaw, 0x05, 0x13, 0x0000F800, PPC_SPE);
GEN_SPE(evdivws, evdivwu, 0x06, 0x13, 0x00000000, PPC_SPE);
GEN_SPE(evmra, speundef, 0x07, 0x13, 0x0000F800, PPC_SPE);
GEN_SPE(evmheusiaaw, evmhessiaaw, 0x00, 0x14, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmhessfaaw, 0x01, 0x14, 0x00000000, PPC_SPE);
GEN_SPE(evmhousiaaw, evmhossiaaw, 0x02, 0x14, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmhossfaaw, 0x03, 0x14, 0x00000000, PPC_SPE);
GEN_SPE(evmheumiaaw, evmhesmiaaw, 0x04, 0x14, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmhesmfaaw, 0x05, 0x14, 0x00000000, PPC_SPE);
GEN_SPE(evmhoumiaaw, evmhosmiaaw, 0x06, 0x14, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmhosmfaaw, 0x07, 0x14, 0x00000000, PPC_SPE);
GEN_SPE(evmhegumiaa, evmhegsmiaa, 0x14, 0x14, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmhegsmfaa, 0x15, 0x14, 0x00000000, PPC_SPE);
GEN_SPE(evmhogumiaa, evmhogsmiaa, 0x16, 0x14, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmhogsmfaa, 0x17, 0x14, 0x00000000, PPC_SPE);
GEN_SPE(evmwlusiaaw, evmwlssiaaw, 0x00, 0x15, 0x00000000, PPC_SPE);
GEN_SPE(evmwlumiaaw, evmwlsmiaaw, 0x04, 0x15, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmwssfaa, 0x09, 0x15, 0x00000000, PPC_SPE);
GEN_SPE(evmwumiaa, evmwsmiaa, 0x0C, 0x15, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmwsmfaa, 0x0D, 0x15, 0x00000000, PPC_SPE);
GEN_SPE(evmheusianw, evmhessianw, 0x00, 0x16, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmhessfanw, 0x01, 0x16, 0x00000000, PPC_SPE);
GEN_SPE(evmhousianw, evmhossianw, 0x02, 0x16, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmhossfanw, 0x03, 0x16, 0x00000000, PPC_SPE);
GEN_SPE(evmheumianw, evmhesmianw, 0x04, 0x16, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmhesmfanw, 0x05, 0x16, 0x00000000, PPC_SPE);
GEN_SPE(evmhoumianw, evmhosmianw, 0x06, 0x16, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmhosmfanw, 0x07, 0x16, 0x00000000, PPC_SPE);
GEN_SPE(evmhegumian, evmhegsmian, 0x14, 0x16, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmhegsmfan, 0x15, 0x16, 0x00000000, PPC_SPE);
GEN_SPE(evmhigumian, evmhigsmian, 0x16, 0x16, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmhogsmfan, 0x17, 0x16, 0x00000000, PPC_SPE);
GEN_SPE(evmwlusianw, evmwlssianw, 0x00, 0x17, 0x00000000, PPC_SPE);
GEN_SPE(evmwlumianw, evmwlsmianw, 0x04, 0x17, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmwssfan, 0x09, 0x17, 0x00000000, PPC_SPE);
GEN_SPE(evmwumian, evmwsmian, 0x0C, 0x17, 0x00000000, PPC_SPE);
GEN_SPE(speundef, evmwsmfan, 0x0D, 0x17, 0x00000000, PPC_SPE);
#endif
/*** SPE floating-point extension ***/
#if defined(TARGET_PPC64)
#define GEN_SPEFPUOP_CONV_32_32(name) \
static always_inline void gen_##name (DisasContext *ctx) \
{ \
TCGv_i32 t0; \
TCGv t1; \
t0 = tcg_temp_new_i32(); \
tcg_gen_trunc_tl_i32(t0, cpu_gpr[rB(ctx->opcode)]); \
gen_helper_##name(t0, t0); \
t1 = tcg_temp_new(); \
tcg_gen_extu_i32_tl(t1, t0); \
tcg_temp_free_i32(t0); \
tcg_gen_andi_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], \
0xFFFFFFFF00000000ULL); \
tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], t1); \
tcg_temp_free(t1); \
}
#define GEN_SPEFPUOP_CONV_32_64(name) \
static always_inline void gen_##name (DisasContext *ctx) \
{ \
TCGv_i32 t0; \
TCGv t1; \
t0 = tcg_temp_new_i32(); \
gen_helper_##name(t0, cpu_gpr[rB(ctx->opcode)]); \
t1 = tcg_temp_new(); \
tcg_gen_extu_i32_tl(t1, t0); \
tcg_temp_free_i32(t0); \
tcg_gen_andi_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], \
0xFFFFFFFF00000000ULL); \
tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], t1); \
tcg_temp_free(t1); \
}
#define GEN_SPEFPUOP_CONV_64_32(name) \
static always_inline void gen_##name (DisasContext *ctx) \
{ \
TCGv_i32 t0 = tcg_temp_new_i32(); \
tcg_gen_trunc_tl_i32(t0, cpu_gpr[rB(ctx->opcode)]); \
gen_helper_##name(cpu_gpr[rD(ctx->opcode)], t0); \
tcg_temp_free_i32(t0); \
}
#define GEN_SPEFPUOP_CONV_64_64(name) \
static always_inline void gen_##name (DisasContext *ctx) \
{ \
gen_helper_##name(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); \
}
#define GEN_SPEFPUOP_ARITH2_32_32(name) \
static always_inline void gen_##name (DisasContext *ctx) \
{ \
TCGv_i32 t0, t1; \
TCGv_i64 t2; \
if (unlikely(!ctx->spe_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_APU); \
return; \
} \
t0 = tcg_temp_new_i32(); \
t1 = tcg_temp_new_i32(); \
tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]); \
tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]); \
gen_helper_##name(t0, t0, t1); \
tcg_temp_free_i32(t1); \
t2 = tcg_temp_new(); \
tcg_gen_extu_i32_tl(t2, t0); \
tcg_temp_free_i32(t0); \
tcg_gen_andi_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], \
0xFFFFFFFF00000000ULL); \
tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], t2); \
tcg_temp_free(t2); \
}
#define GEN_SPEFPUOP_ARITH2_64_64(name) \
static always_inline void gen_##name (DisasContext *ctx) \
{ \
if (unlikely(!ctx->spe_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_APU); \
return; \
} \
gen_helper_##name(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], \
cpu_gpr[rB(ctx->opcode)]); \
}
#define GEN_SPEFPUOP_COMP_32(name) \
static always_inline void gen_##name (DisasContext *ctx) \
{ \
TCGv_i32 t0, t1; \
if (unlikely(!ctx->spe_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_APU); \
return; \
} \
t0 = tcg_temp_new_i32(); \
t1 = tcg_temp_new_i32(); \
tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]); \
tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]); \
gen_helper_##name(cpu_crf[crfD(ctx->opcode)], t0, t1); \
tcg_temp_free_i32(t0); \
tcg_temp_free_i32(t1); \
}
#define GEN_SPEFPUOP_COMP_64(name) \
static always_inline void gen_##name (DisasContext *ctx) \
{ \
if (unlikely(!ctx->spe_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_APU); \
return; \
} \
gen_helper_##name(cpu_crf[crfD(ctx->opcode)], \
cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); \
}
#else
#define GEN_SPEFPUOP_CONV_32_32(name) \
static always_inline void gen_##name (DisasContext *ctx) \
{ \
gen_helper_##name(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); \
}
#define GEN_SPEFPUOP_CONV_32_64(name) \
static always_inline void gen_##name (DisasContext *ctx) \
{ \
TCGv_i64 t0 = tcg_temp_new_i64(); \
gen_load_gpr64(t0, rB(ctx->opcode)); \
gen_helper_##name(cpu_gpr[rD(ctx->opcode)], t0); \
tcg_temp_free_i64(t0); \
}
#define GEN_SPEFPUOP_CONV_64_32(name) \
static always_inline void gen_##name (DisasContext *ctx) \
{ \
TCGv_i64 t0 = tcg_temp_new_i64(); \
gen_helper_##name(t0, cpu_gpr[rB(ctx->opcode)]); \
gen_store_gpr64(rD(ctx->opcode), t0); \
tcg_temp_free_i64(t0); \
}
#define GEN_SPEFPUOP_CONV_64_64(name) \
static always_inline void gen_##name (DisasContext *ctx) \
{ \
TCGv_i64 t0 = tcg_temp_new_i64(); \
gen_load_gpr64(t0, rB(ctx->opcode)); \
gen_helper_##name(t0, t0); \
gen_store_gpr64(rD(ctx->opcode), t0); \
tcg_temp_free_i64(t0); \
}
#define GEN_SPEFPUOP_ARITH2_32_32(name) \
static always_inline void gen_##name (DisasContext *ctx) \
{ \
if (unlikely(!ctx->spe_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_APU); \
return; \
} \
gen_helper_##name(cpu_gpr[rD(ctx->opcode)], \
cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); \
}
#define GEN_SPEFPUOP_ARITH2_64_64(name) \
static always_inline void gen_##name (DisasContext *ctx) \
{ \
TCGv_i64 t0, t1; \
if (unlikely(!ctx->spe_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_APU); \
return; \
} \
t0 = tcg_temp_new_i64(); \
t1 = tcg_temp_new_i64(); \
gen_load_gpr64(t0, rA(ctx->opcode)); \
gen_load_gpr64(t1, rB(ctx->opcode)); \
gen_helper_##name(t0, t0, t1); \
gen_store_gpr64(rD(ctx->opcode), t0); \
tcg_temp_free_i64(t0); \
tcg_temp_free_i64(t1); \
}
#define GEN_SPEFPUOP_COMP_32(name) \
static always_inline void gen_##name (DisasContext *ctx) \
{ \
if (unlikely(!ctx->spe_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_APU); \
return; \
} \
gen_helper_##name(cpu_crf[crfD(ctx->opcode)], \
cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); \
}
#define GEN_SPEFPUOP_COMP_64(name) \
static always_inline void gen_##name (DisasContext *ctx) \
{ \
TCGv_i64 t0, t1; \
if (unlikely(!ctx->spe_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_APU); \
return; \
} \
t0 = tcg_temp_new_i64(); \
t1 = tcg_temp_new_i64(); \
gen_load_gpr64(t0, rA(ctx->opcode)); \
gen_load_gpr64(t1, rB(ctx->opcode)); \
gen_helper_##name(cpu_crf[crfD(ctx->opcode)], t0, t1); \
tcg_temp_free_i64(t0); \
tcg_temp_free_i64(t1); \
}
#endif
/* Single precision floating-point vectors operations */
/* Arithmetic */
GEN_SPEFPUOP_ARITH2_64_64(evfsadd);
GEN_SPEFPUOP_ARITH2_64_64(evfssub);
GEN_SPEFPUOP_ARITH2_64_64(evfsmul);
GEN_SPEFPUOP_ARITH2_64_64(evfsdiv);
static always_inline void gen_evfsabs (DisasContext *ctx)
{
if (unlikely(!ctx->spe_enabled)) {
gen_exception(ctx, POWERPC_EXCP_APU);
return;
}
#if defined(TARGET_PPC64)
tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], ~0x8000000080000000LL);
#else
tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], ~0x80000000);
tcg_gen_andi_tl(cpu_gprh[rA(ctx->opcode)], cpu_gprh[rA(ctx->opcode)], ~0x80000000);
#endif
}
static always_inline void gen_evfsnabs (DisasContext *ctx)
{
if (unlikely(!ctx->spe_enabled)) {
gen_exception(ctx, POWERPC_EXCP_APU);
return;
}
#if defined(TARGET_PPC64)
tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 0x8000000080000000LL);
#else
tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 0x80000000);
tcg_gen_ori_tl(cpu_gprh[rA(ctx->opcode)], cpu_gprh[rA(ctx->opcode)], 0x80000000);
#endif
}
static always_inline void gen_evfsneg (DisasContext *ctx)
{
if (unlikely(!ctx->spe_enabled)) {
gen_exception(ctx, POWERPC_EXCP_APU);
return;
}
#if defined(TARGET_PPC64)
tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 0x8000000080000000LL);
#else
tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 0x80000000);
tcg_gen_xori_tl(cpu_gprh[rA(ctx->opcode)], cpu_gprh[rA(ctx->opcode)], 0x80000000);
#endif
}
/* Conversion */
GEN_SPEFPUOP_CONV_64_64(evfscfui);
GEN_SPEFPUOP_CONV_64_64(evfscfsi);
GEN_SPEFPUOP_CONV_64_64(evfscfuf);
GEN_SPEFPUOP_CONV_64_64(evfscfsf);
GEN_SPEFPUOP_CONV_64_64(evfsctui);
GEN_SPEFPUOP_CONV_64_64(evfsctsi);
GEN_SPEFPUOP_CONV_64_64(evfsctuf);
GEN_SPEFPUOP_CONV_64_64(evfsctsf);
GEN_SPEFPUOP_CONV_64_64(evfsctuiz);
GEN_SPEFPUOP_CONV_64_64(evfsctsiz);
/* Comparison */
GEN_SPEFPUOP_COMP_64(evfscmpgt);
GEN_SPEFPUOP_COMP_64(evfscmplt);
GEN_SPEFPUOP_COMP_64(evfscmpeq);
GEN_SPEFPUOP_COMP_64(evfststgt);
GEN_SPEFPUOP_COMP_64(evfststlt);
GEN_SPEFPUOP_COMP_64(evfststeq);
/* Opcodes definitions */
GEN_SPE(evfsadd, evfssub, 0x00, 0x0A, 0x00000000, PPC_SPEFPU); //
GEN_SPE(evfsabs, evfsnabs, 0x02, 0x0A, 0x0000F800, PPC_SPEFPU); //
GEN_SPE(evfsneg, speundef, 0x03, 0x0A, 0x0000F800, PPC_SPEFPU); //
GEN_SPE(evfsmul, evfsdiv, 0x04, 0x0A, 0x00000000, PPC_SPEFPU); //
GEN_SPE(evfscmpgt, evfscmplt, 0x06, 0x0A, 0x00600000, PPC_SPEFPU); //
GEN_SPE(evfscmpeq, speundef, 0x07, 0x0A, 0x00600000, PPC_SPEFPU); //
GEN_SPE(evfscfui, evfscfsi, 0x08, 0x0A, 0x00180000, PPC_SPEFPU); //
GEN_SPE(evfscfuf, evfscfsf, 0x09, 0x0A, 0x00180000, PPC_SPEFPU); //
GEN_SPE(evfsctui, evfsctsi, 0x0A, 0x0A, 0x00180000, PPC_SPEFPU); //
GEN_SPE(evfsctuf, evfsctsf, 0x0B, 0x0A, 0x00180000, PPC_SPEFPU); //
GEN_SPE(evfsctuiz, speundef, 0x0C, 0x0A, 0x00180000, PPC_SPEFPU); //
GEN_SPE(evfsctsiz, speundef, 0x0D, 0x0A, 0x00180000, PPC_SPEFPU); //
GEN_SPE(evfststgt, evfststlt, 0x0E, 0x0A, 0x00600000, PPC_SPEFPU); //
GEN_SPE(evfststeq, speundef, 0x0F, 0x0A, 0x00600000, PPC_SPEFPU); //
/* Single precision floating-point operations */
/* Arithmetic */
GEN_SPEFPUOP_ARITH2_32_32(efsadd);
GEN_SPEFPUOP_ARITH2_32_32(efssub);
GEN_SPEFPUOP_ARITH2_32_32(efsmul);
GEN_SPEFPUOP_ARITH2_32_32(efsdiv);
static always_inline void gen_efsabs (DisasContext *ctx)
{
if (unlikely(!ctx->spe_enabled)) {
gen_exception(ctx, POWERPC_EXCP_APU);
return;
}
tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], (target_long)~0x80000000LL);
}
static always_inline void gen_efsnabs (DisasContext *ctx)
{
if (unlikely(!ctx->spe_enabled)) {
gen_exception(ctx, POWERPC_EXCP_APU);
return;
}
tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 0x80000000);
}
static always_inline void gen_efsneg (DisasContext *ctx)
{
if (unlikely(!ctx->spe_enabled)) {
gen_exception(ctx, POWERPC_EXCP_APU);
return;
}
tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 0x80000000);
}
/* Conversion */
GEN_SPEFPUOP_CONV_32_32(efscfui);
GEN_SPEFPUOP_CONV_32_32(efscfsi);
GEN_SPEFPUOP_CONV_32_32(efscfuf);
GEN_SPEFPUOP_CONV_32_32(efscfsf);
GEN_SPEFPUOP_CONV_32_32(efsctui);
GEN_SPEFPUOP_CONV_32_32(efsctsi);
GEN_SPEFPUOP_CONV_32_32(efsctuf);
GEN_SPEFPUOP_CONV_32_32(efsctsf);
GEN_SPEFPUOP_CONV_32_32(efsctuiz);
GEN_SPEFPUOP_CONV_32_32(efsctsiz);
GEN_SPEFPUOP_CONV_32_64(efscfd);
/* Comparison */
GEN_SPEFPUOP_COMP_32(efscmpgt);
GEN_SPEFPUOP_COMP_32(efscmplt);
GEN_SPEFPUOP_COMP_32(efscmpeq);
GEN_SPEFPUOP_COMP_32(efststgt);
GEN_SPEFPUOP_COMP_32(efststlt);
GEN_SPEFPUOP_COMP_32(efststeq);
/* Opcodes definitions */
GEN_SPE(efsadd, efssub, 0x00, 0x0B, 0x00000000, PPC_SPEFPU); //
GEN_SPE(efsabs, efsnabs, 0x02, 0x0B, 0x0000F800, PPC_SPEFPU); //
GEN_SPE(efsneg, speundef, 0x03, 0x0B, 0x0000F800, PPC_SPEFPU); //
GEN_SPE(efsmul, efsdiv, 0x04, 0x0B, 0x00000000, PPC_SPEFPU); //
GEN_SPE(efscmpgt, efscmplt, 0x06, 0x0B, 0x00600000, PPC_SPEFPU); //
GEN_SPE(efscmpeq, efscfd, 0x07, 0x0B, 0x00600000, PPC_SPEFPU); //
GEN_SPE(efscfui, efscfsi, 0x08, 0x0B, 0x00180000, PPC_SPEFPU); //
GEN_SPE(efscfuf, efscfsf, 0x09, 0x0B, 0x00180000, PPC_SPEFPU); //
GEN_SPE(efsctui, efsctsi, 0x0A, 0x0B, 0x00180000, PPC_SPEFPU); //
GEN_SPE(efsctuf, efsctsf, 0x0B, 0x0B, 0x00180000, PPC_SPEFPU); //
GEN_SPE(efsctuiz, speundef, 0x0C, 0x0B, 0x00180000, PPC_SPEFPU); //
GEN_SPE(efsctsiz, speundef, 0x0D, 0x0B, 0x00180000, PPC_SPEFPU); //
GEN_SPE(efststgt, efststlt, 0x0E, 0x0B, 0x00600000, PPC_SPEFPU); //
GEN_SPE(efststeq, speundef, 0x0F, 0x0B, 0x00600000, PPC_SPEFPU); //
/* Double precision floating-point operations */
/* Arithmetic */
GEN_SPEFPUOP_ARITH2_64_64(efdadd);
GEN_SPEFPUOP_ARITH2_64_64(efdsub);
GEN_SPEFPUOP_ARITH2_64_64(efdmul);
GEN_SPEFPUOP_ARITH2_64_64(efddiv);
static always_inline void gen_efdabs (DisasContext *ctx)
{
if (unlikely(!ctx->spe_enabled)) {
gen_exception(ctx, POWERPC_EXCP_APU);
return;
}
#if defined(TARGET_PPC64)
tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], ~0x8000000000000000LL);
#else
tcg_gen_andi_tl(cpu_gprh[rA(ctx->opcode)], cpu_gprh[rA(ctx->opcode)], ~0x80000000);
#endif
}
static always_inline void gen_efdnabs (DisasContext *ctx)
{
if (unlikely(!ctx->spe_enabled)) {
gen_exception(ctx, POWERPC_EXCP_APU);
return;
}
#if defined(TARGET_PPC64)
tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 0x8000000000000000LL);
#else
tcg_gen_ori_tl(cpu_gprh[rA(ctx->opcode)], cpu_gprh[rA(ctx->opcode)], 0x80000000);
#endif
}
static always_inline void gen_efdneg (DisasContext *ctx)
{
if (unlikely(!ctx->spe_enabled)) {
gen_exception(ctx, POWERPC_EXCP_APU);
return;
}
#if defined(TARGET_PPC64)
tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 0x8000000000000000LL);
#else
tcg_gen_xori_tl(cpu_gprh[rA(ctx->opcode)], cpu_gprh[rA(ctx->opcode)], 0x80000000);
#endif
}
/* Conversion */
GEN_SPEFPUOP_CONV_64_32(efdcfui);
GEN_SPEFPUOP_CONV_64_32(efdcfsi);
GEN_SPEFPUOP_CONV_64_32(efdcfuf);
GEN_SPEFPUOP_CONV_64_32(efdcfsf);
GEN_SPEFPUOP_CONV_32_64(efdctui);
GEN_SPEFPUOP_CONV_32_64(efdctsi);
GEN_SPEFPUOP_CONV_32_64(efdctuf);
GEN_SPEFPUOP_CONV_32_64(efdctsf);
GEN_SPEFPUOP_CONV_32_64(efdctuiz);
GEN_SPEFPUOP_CONV_32_64(efdctsiz);
GEN_SPEFPUOP_CONV_64_32(efdcfs);
GEN_SPEFPUOP_CONV_64_64(efdcfuid);
GEN_SPEFPUOP_CONV_64_64(efdcfsid);
GEN_SPEFPUOP_CONV_64_64(efdctuidz);
GEN_SPEFPUOP_CONV_64_64(efdctsidz);
/* Comparison */
GEN_SPEFPUOP_COMP_64(efdcmpgt);
GEN_SPEFPUOP_COMP_64(efdcmplt);
GEN_SPEFPUOP_COMP_64(efdcmpeq);
GEN_SPEFPUOP_COMP_64(efdtstgt);
GEN_SPEFPUOP_COMP_64(efdtstlt);
GEN_SPEFPUOP_COMP_64(efdtsteq);
/* Opcodes definitions */
GEN_SPE(efdadd, efdsub, 0x10, 0x0B, 0x00000000, PPC_SPEFPU); //
GEN_SPE(efdcfuid, efdcfsid, 0x11, 0x0B, 0x00180000, PPC_SPEFPU); //
GEN_SPE(efdabs, efdnabs, 0x12, 0x0B, 0x0000F800, PPC_SPEFPU); //
GEN_SPE(efdneg, speundef, 0x13, 0x0B, 0x0000F800, PPC_SPEFPU); //
GEN_SPE(efdmul, efddiv, 0x14, 0x0B, 0x00000000, PPC_SPEFPU); //
GEN_SPE(efdctuidz, efdctsidz, 0x15, 0x0B, 0x00180000, PPC_SPEFPU); //
GEN_SPE(efdcmpgt, efdcmplt, 0x16, 0x0B, 0x00600000, PPC_SPEFPU); //
GEN_SPE(efdcmpeq, efdcfs, 0x17, 0x0B, 0x00600000, PPC_SPEFPU); //
GEN_SPE(efdcfui, efdcfsi, 0x18, 0x0B, 0x00180000, PPC_SPEFPU); //
GEN_SPE(efdcfuf, efdcfsf, 0x19, 0x0B, 0x00180000, PPC_SPEFPU); //
GEN_SPE(efdctui, efdctsi, 0x1A, 0x0B, 0x00180000, PPC_SPEFPU); //
GEN_SPE(efdctuf, efdctsf, 0x1B, 0x0B, 0x00180000, PPC_SPEFPU); //
GEN_SPE(efdctuiz, speundef, 0x1C, 0x0B, 0x00180000, PPC_SPEFPU); //
GEN_SPE(efdctsiz, speundef, 0x1D, 0x0B, 0x00180000, PPC_SPEFPU); //
GEN_SPE(efdtstgt, efdtstlt, 0x1E, 0x0B, 0x00600000, PPC_SPEFPU); //
GEN_SPE(efdtsteq, speundef, 0x1F, 0x0B, 0x00600000, PPC_SPEFPU); //
/* End opcode list */
GEN_OPCODE_MARK(end);
#include "translate_init.c"
#include "helper_regs.h"
/*****************************************************************************/
/* Misc PowerPC helpers */
void cpu_dump_state (CPUState *env, FILE *f,
int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
int flags)
{
#define RGPL 4
#define RFPL 4
int i;
cpu_fprintf(f, "NIP " ADDRX " LR " ADDRX " CTR " ADDRX " XER %08x\n",
env->nip, env->lr, env->ctr, env->xer);
cpu_fprintf(f, "MSR " ADDRX " HID0 " ADDRX " HF " ADDRX " idx %d\n",
env->msr, env->spr[SPR_HID0], env->hflags, env->mmu_idx);
#if !defined(NO_TIMER_DUMP)
cpu_fprintf(f, "TB %08x %08x "
#if !defined(CONFIG_USER_ONLY)
"DECR %08x"
#endif
"\n",
cpu_ppc_load_tbu(env), cpu_ppc_load_tbl(env)
#if !defined(CONFIG_USER_ONLY)
, cpu_ppc_load_decr(env)
#endif
);
#endif
for (i = 0; i < 32; i++) {
if ((i & (RGPL - 1)) == 0)
cpu_fprintf(f, "GPR%02d", i);
cpu_fprintf(f, " " REGX, ppc_dump_gpr(env, i));
if ((i & (RGPL - 1)) == (RGPL - 1))
cpu_fprintf(f, "\n");
}
cpu_fprintf(f, "CR ");
for (i = 0; i < 8; i++)
cpu_fprintf(f, "%01x", env->crf[i]);
cpu_fprintf(f, " [");
for (i = 0; i < 8; i++) {
char a = '-';
if (env->crf[i] & 0x08)
a = 'L';
else if (env->crf[i] & 0x04)
a = 'G';
else if (env->crf[i] & 0x02)
a = 'E';
cpu_fprintf(f, " %c%c", a, env->crf[i] & 0x01 ? 'O' : ' ');
}
cpu_fprintf(f, " ] RES " ADDRX "\n", env->reserve);
for (i = 0; i < 32; i++) {
if ((i & (RFPL - 1)) == 0)
cpu_fprintf(f, "FPR%02d", i);
cpu_fprintf(f, " %016" PRIx64, *((uint64_t *)&env->fpr[i]));
if ((i & (RFPL - 1)) == (RFPL - 1))
cpu_fprintf(f, "\n");
}
cpu_fprintf(f, "FPSCR %08x\n", env->fpscr);
#if !defined(CONFIG_USER_ONLY)
cpu_fprintf(f, "SRR0 " ADDRX " SRR1 " ADDRX " SDR1 " ADDRX "\n",
env->spr[SPR_SRR0], env->spr[SPR_SRR1], env->sdr1);
#endif
#undef RGPL
#undef RFPL
}
void cpu_dump_statistics (CPUState *env, FILE*f,
int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
int flags)
{
#if defined(DO_PPC_STATISTICS)
opc_handler_t **t1, **t2, **t3, *handler;
int op1, op2, op3;
t1 = env->opcodes;
for (op1 = 0; op1 < 64; op1++) {
handler = t1[op1];
if (is_indirect_opcode(handler)) {
t2 = ind_table(handler);
for (op2 = 0; op2 < 32; op2++) {
handler = t2[op2];
if (is_indirect_opcode(handler)) {
t3 = ind_table(handler);
for (op3 = 0; op3 < 32; op3++) {
handler = t3[op3];
if (handler->count == 0)
continue;
cpu_fprintf(f, "%02x %02x %02x (%02x %04d) %16s: "
"%016llx %lld\n",
op1, op2, op3, op1, (op3 << 5) | op2,
handler->oname,
handler->count, handler->count);
}
} else {
if (handler->count == 0)
continue;
cpu_fprintf(f, "%02x %02x (%02x %04d) %16s: "
"%016llx %lld\n",
op1, op2, op1, op2, handler->oname,
handler->count, handler->count);
}
}
} else {
if (handler->count == 0)
continue;
cpu_fprintf(f, "%02x (%02x ) %16s: %016llx %lld\n",
op1, op1, handler->oname,
handler->count, handler->count);
}
}
#endif
}
/*****************************************************************************/
static always_inline void gen_intermediate_code_internal (CPUState *env,
TranslationBlock *tb,
int search_pc)
{
DisasContext ctx, *ctxp = &ctx;
opc_handler_t **table, *handler;
target_ulong pc_start;
uint16_t *gen_opc_end;
CPUBreakpoint *bp;
int j, lj = -1;
int num_insns;
int max_insns;
pc_start = tb->pc;
gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
ctx.nip = pc_start;
ctx.tb = tb;
ctx.exception = POWERPC_EXCP_NONE;
ctx.spr_cb = env->spr_cb;
ctx.mem_idx = env->mmu_idx;
ctx.access_type = -1;
ctx.le_mode = env->hflags & (1 << MSR_LE) ? 1 : 0;
#if defined(TARGET_PPC64)
ctx.sf_mode = msr_sf;
#endif
ctx.fpu_enabled = msr_fp;
if ((env->flags & POWERPC_FLAG_SPE) && msr_spe)
ctx.spe_enabled = msr_spe;
else
ctx.spe_enabled = 0;
if ((env->flags & POWERPC_FLAG_VRE) && msr_vr)
ctx.altivec_enabled = msr_vr;
else
ctx.altivec_enabled = 0;
if ((env->flags & POWERPC_FLAG_SE) && msr_se)
ctx.singlestep_enabled = CPU_SINGLE_STEP;
else
ctx.singlestep_enabled = 0;
if ((env->flags & POWERPC_FLAG_BE) && msr_be)
ctx.singlestep_enabled |= CPU_BRANCH_STEP;
if (unlikely(env->singlestep_enabled))
ctx.singlestep_enabled |= GDBSTUB_SINGLE_STEP;
#if defined (DO_SINGLE_STEP) && 0
/* Single step trace mode */
msr_se = 1;
#endif
num_insns = 0;
max_insns = tb->cflags & CF_COUNT_MASK;
if (max_insns == 0)
max_insns = CF_COUNT_MASK;
gen_icount_start();
/* Set env in case of segfault during code fetch */
while (ctx.exception == POWERPC_EXCP_NONE && gen_opc_ptr < gen_opc_end) {
if (unlikely(!TAILQ_EMPTY(&env->breakpoints))) {
TAILQ_FOREACH(bp, &env->breakpoints, entry) {
if (bp->pc == ctx.nip) {
gen_debug_exception(ctxp);
break;
}
}
}
if (unlikely(search_pc)) {
j = gen_opc_ptr - gen_opc_buf;
if (lj < j) {
lj++;
while (lj < j)
gen_opc_instr_start[lj++] = 0;
gen_opc_pc[lj] = ctx.nip;
gen_opc_instr_start[lj] = 1;
gen_opc_icount[lj] = num_insns;
}
}
#if defined PPC_DEBUG_DISAS
if (loglevel & CPU_LOG_TB_IN_ASM) {
fprintf(logfile, "----------------\n");
fprintf(logfile, "nip=" ADDRX " super=%d ir=%d\n",
ctx.nip, ctx.mem_idx, (int)msr_ir);
}
#endif
if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO))
gen_io_start();
if (unlikely(ctx.le_mode)) {
ctx.opcode = bswap32(ldl_code(ctx.nip));
} else {
ctx.opcode = ldl_code(ctx.nip);
}
#if defined PPC_DEBUG_DISAS
if (loglevel & CPU_LOG_TB_IN_ASM) {
fprintf(logfile, "translate opcode %08x (%02x %02x %02x) (%s)\n",
ctx.opcode, opc1(ctx.opcode), opc2(ctx.opcode),
opc3(ctx.opcode), little_endian ? "little" : "big");
}
#endif
ctx.nip += 4;
table = env->opcodes;
num_insns++;
handler = table[opc1(ctx.opcode)];
if (is_indirect_opcode(handler)) {
table = ind_table(handler);
handler = table[opc2(ctx.opcode)];
if (is_indirect_opcode(handler)) {
table = ind_table(handler);
handler = table[opc3(ctx.opcode)];
}
}
/* Is opcode *REALLY* valid ? */
if (unlikely(handler->handler == &gen_invalid)) {
if (loglevel != 0) {
fprintf(logfile, "invalid/unsupported opcode: "
"%02x - %02x - %02x (%08x) " ADDRX " %d\n",
opc1(ctx.opcode), opc2(ctx.opcode),
opc3(ctx.opcode), ctx.opcode, ctx.nip - 4, (int)msr_ir);
} else {
printf("invalid/unsupported opcode: "
"%02x - %02x - %02x (%08x) " ADDRX " %d\n",
opc1(ctx.opcode), opc2(ctx.opcode),
opc3(ctx.opcode), ctx.opcode, ctx.nip - 4, (int)msr_ir);
}
} else {
if (unlikely((ctx.opcode & handler->inval) != 0)) {
if (loglevel != 0) {
fprintf(logfile, "invalid bits: %08x for opcode: "
"%02x - %02x - %02x (%08x) " ADDRX "\n",
ctx.opcode & handler->inval, opc1(ctx.opcode),
opc2(ctx.opcode), opc3(ctx.opcode),
ctx.opcode, ctx.nip - 4);
} else {
printf("invalid bits: %08x for opcode: "
"%02x - %02x - %02x (%08x) " ADDRX "\n",
ctx.opcode & handler->inval, opc1(ctx.opcode),
opc2(ctx.opcode), opc3(ctx.opcode),
ctx.opcode, ctx.nip - 4);
}
gen_inval_exception(ctxp, POWERPC_EXCP_INVAL_INVAL);
break;
}
}
(*(handler->handler))(&ctx);
#if defined(DO_PPC_STATISTICS)
handler->count++;
#endif
/* Check trace mode exceptions */
if (unlikely(ctx.singlestep_enabled & CPU_SINGLE_STEP &&
(ctx.nip <= 0x100 || ctx.nip > 0xF00) &&
ctx.exception != POWERPC_SYSCALL &&
ctx.exception != POWERPC_EXCP_TRAP &&
ctx.exception != POWERPC_EXCP_BRANCH)) {
gen_exception(ctxp, POWERPC_EXCP_TRACE);
} else if (unlikely(((ctx.nip & (TARGET_PAGE_SIZE - 1)) == 0) ||
(env->singlestep_enabled) ||
num_insns >= max_insns)) {
/* if we reach a page boundary or are single stepping, stop
* generation
*/
break;
}
#if defined (DO_SINGLE_STEP)
break;
#endif
}
if (tb->cflags & CF_LAST_IO)
gen_io_end();
if (ctx.exception == POWERPC_EXCP_NONE) {
gen_goto_tb(&ctx, 0, ctx.nip);
} else if (ctx.exception != POWERPC_EXCP_BRANCH) {
if (unlikely(env->singlestep_enabled)) {
gen_debug_exception(ctxp);
}
/* Generate the return instruction */
tcg_gen_exit_tb(0);
}
gen_icount_end(tb, num_insns);
*gen_opc_ptr = INDEX_op_end;
if (unlikely(search_pc)) {
j = gen_opc_ptr - gen_opc_buf;
lj++;
while (lj <= j)
gen_opc_instr_start[lj++] = 0;
} else {
tb->size = ctx.nip - pc_start;
tb->icount = num_insns;
}
#if defined(DEBUG_DISAS)
if (loglevel & CPU_LOG_TB_CPU) {
fprintf(logfile, "---------------- excp: %04x\n", ctx.exception);
cpu_dump_state(env, logfile, fprintf, 0);
}
if (loglevel & CPU_LOG_TB_IN_ASM) {
int flags;
flags = env->bfd_mach;
flags |= ctx.le_mode << 16;
fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start));
target_disas(logfile, pc_start, ctx.nip - pc_start, flags);
fprintf(logfile, "\n");
}
#endif
}
void gen_intermediate_code (CPUState *env, struct TranslationBlock *tb)
{
gen_intermediate_code_internal(env, tb, 0);
}
void gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb)
{
gen_intermediate_code_internal(env, tb, 1);
}
void gen_pc_load(CPUState *env, TranslationBlock *tb,
unsigned long searched_pc, int pc_pos, void *puc)
{
env->nip = gen_opc_pc[pc_pos];
}