--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/qemu-symbian-svp/target-sh4/translate.c Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,1955 @@
+/*
+ * SH4 translation
+ *
+ * Copyright (c) 2005 Samuel Tardieu
+ *
+ * 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 <assert.h>
+
+#define DEBUG_DISAS
+#define SH4_DEBUG_DISAS
+//#define SH4_SINGLE_STEP
+
+#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"
+
+typedef struct DisasContext {
+ struct TranslationBlock *tb;
+ target_ulong pc;
+ uint32_t sr;
+ uint32_t fpscr;
+ uint16_t opcode;
+ uint32_t flags;
+ int bstate;
+ int memidx;
+ uint32_t delayed_pc;
+ int singlestep_enabled;
+ uint32_t features;
+} DisasContext;
+
+#if defined(CONFIG_USER_ONLY)
+#define IS_USER(ctx) 1
+#else
+#define IS_USER(ctx) (!(ctx->sr & SR_MD))
+#endif
+
+enum {
+ BS_NONE = 0, /* We go out of the TB without reaching a branch or an
+ * exception condition
+ */
+ BS_STOP = 1, /* We want to stop translation for any reason */
+ BS_BRANCH = 2, /* We reached a branch condition */
+ BS_EXCP = 3, /* We reached an exception condition */
+};
+
+/* global register indexes */
+static TCGv_ptr cpu_env;
+static TCGv cpu_gregs[24];
+static TCGv cpu_pc, cpu_sr, cpu_ssr, cpu_spc, cpu_gbr;
+static TCGv cpu_vbr, cpu_sgr, cpu_dbr, cpu_mach, cpu_macl;
+static TCGv cpu_pr, cpu_fpscr, cpu_fpul;
+static TCGv cpu_fregs[32];
+
+/* internal register indexes */
+static TCGv cpu_flags, cpu_delayed_pc;
+
+#include "gen-icount.h"
+
+static void sh4_translate_init(void)
+{
+ int i;
+ static int done_init = 0;
+ static const char * const gregnames[24] = {
+ "R0_BANK0", "R1_BANK0", "R2_BANK0", "R3_BANK0",
+ "R4_BANK0", "R5_BANK0", "R6_BANK0", "R7_BANK0",
+ "R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15",
+ "R0_BANK1", "R1_BANK1", "R2_BANK1", "R3_BANK1",
+ "R4_BANK1", "R5_BANK1", "R6_BANK1", "R7_BANK1"
+ };
+ static const char * const fregnames[32] = {
+ "FPR0_BANK0", "FPR1_BANK0", "FPR2_BANK0", "FPR3_BANK0",
+ "FPR4_BANK0", "FPR5_BANK0", "FPR6_BANK0", "FPR7_BANK0",
+ "FPR8_BANK0", "FPR9_BANK0", "FPR10_BANK0", "FPR11_BANK0",
+ "FPR12_BANK0", "FPR13_BANK0", "FPR14_BANK0", "FPR15_BANK0",
+ "FPR0_BANK1", "FPR1_BANK1", "FPR2_BANK1", "FPR3_BANK1",
+ "FPR4_BANK1", "FPR5_BANK1", "FPR6_BANK1", "FPR7_BANK1",
+ "FPR8_BANK1", "FPR9_BANK1", "FPR10_BANK1", "FPR11_BANK1",
+ "FPR12_BANK1", "FPR13_BANK1", "FPR14_BANK1", "FPR15_BANK1",
+ };
+
+ if (done_init)
+ return;
+
+ cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
+
+ for (i = 0; i < 24; i++)
+ cpu_gregs[i] = tcg_global_mem_new_i32(TCG_AREG0,
+ offsetof(CPUState, gregs[i]),
+ gregnames[i]);
+
+ cpu_pc = tcg_global_mem_new_i32(TCG_AREG0,
+ offsetof(CPUState, pc), "PC");
+ cpu_sr = tcg_global_mem_new_i32(TCG_AREG0,
+ offsetof(CPUState, sr), "SR");
+ cpu_ssr = tcg_global_mem_new_i32(TCG_AREG0,
+ offsetof(CPUState, ssr), "SSR");
+ cpu_spc = tcg_global_mem_new_i32(TCG_AREG0,
+ offsetof(CPUState, spc), "SPC");
+ cpu_gbr = tcg_global_mem_new_i32(TCG_AREG0,
+ offsetof(CPUState, gbr), "GBR");
+ cpu_vbr = tcg_global_mem_new_i32(TCG_AREG0,
+ offsetof(CPUState, vbr), "VBR");
+ cpu_sgr = tcg_global_mem_new_i32(TCG_AREG0,
+ offsetof(CPUState, sgr), "SGR");
+ cpu_dbr = tcg_global_mem_new_i32(TCG_AREG0,
+ offsetof(CPUState, dbr), "DBR");
+ cpu_mach = tcg_global_mem_new_i32(TCG_AREG0,
+ offsetof(CPUState, mach), "MACH");
+ cpu_macl = tcg_global_mem_new_i32(TCG_AREG0,
+ offsetof(CPUState, macl), "MACL");
+ cpu_pr = tcg_global_mem_new_i32(TCG_AREG0,
+ offsetof(CPUState, pr), "PR");
+ cpu_fpscr = tcg_global_mem_new_i32(TCG_AREG0,
+ offsetof(CPUState, fpscr), "FPSCR");
+ cpu_fpul = tcg_global_mem_new_i32(TCG_AREG0,
+ offsetof(CPUState, fpul), "FPUL");
+
+ cpu_flags = tcg_global_mem_new_i32(TCG_AREG0,
+ offsetof(CPUState, flags), "_flags_");
+ cpu_delayed_pc = tcg_global_mem_new_i32(TCG_AREG0,
+ offsetof(CPUState, delayed_pc),
+ "_delayed_pc_");
+
+ for (i = 0; i < 32; i++)
+ cpu_fregs[i] = tcg_global_mem_new_i32(TCG_AREG0,
+ offsetof(CPUState, fregs[i]),
+ fregnames[i]);
+
+ /* register helpers */
+#define GEN_HELPER 2
+#include "helper.h"
+
+ done_init = 1;
+}
+
+void cpu_dump_state(CPUState * env, FILE * f,
+ int (*cpu_fprintf) (FILE * f, const char *fmt, ...),
+ int flags)
+{
+ int i;
+ cpu_fprintf(f, "pc=0x%08x sr=0x%08x pr=0x%08x fpscr=0x%08x\n",
+ env->pc, env->sr, env->pr, env->fpscr);
+ cpu_fprintf(f, "spc=0x%08x ssr=0x%08x gbr=0x%08x vbr=0x%08x\n",
+ env->spc, env->ssr, env->gbr, env->vbr);
+ cpu_fprintf(f, "sgr=0x%08x dbr=0x%08x delayed_pc=0x%08x fpul=0x%08x\n",
+ env->sgr, env->dbr, env->delayed_pc, env->fpul);
+ for (i = 0; i < 24; i += 4) {
+ cpu_fprintf(f, "r%d=0x%08x r%d=0x%08x r%d=0x%08x r%d=0x%08x\n",
+ i, env->gregs[i], i + 1, env->gregs[i + 1],
+ i + 2, env->gregs[i + 2], i + 3, env->gregs[i + 3]);
+ }
+ if (env->flags & DELAY_SLOT) {
+ cpu_fprintf(f, "in delay slot (delayed_pc=0x%08x)\n",
+ env->delayed_pc);
+ } else if (env->flags & DELAY_SLOT_CONDITIONAL) {
+ cpu_fprintf(f, "in conditional delay slot (delayed_pc=0x%08x)\n",
+ env->delayed_pc);
+ }
+}
+
+static void cpu_sh4_reset(CPUSH4State * env)
+{
+#if defined(CONFIG_USER_ONLY)
+ env->sr = 0;
+#else
+ env->sr = SR_MD | SR_RB | SR_BL | SR_I3 | SR_I2 | SR_I1 | SR_I0;
+#endif
+ env->vbr = 0;
+ env->pc = 0xA0000000;
+#if defined(CONFIG_USER_ONLY)
+ env->fpscr = FPSCR_PR; /* value for userspace according to the kernel */
+ set_float_rounding_mode(float_round_nearest_even, &env->fp_status); /* ?! */
+#else
+ env->fpscr = 0x00040001; /* CPU reset value according to SH4 manual */
+ set_float_rounding_mode(float_round_to_zero, &env->fp_status);
+#endif
+ env->mmucr = 0;
+}
+
+typedef struct {
+ const char *name;
+ int id;
+ uint32_t pvr;
+ uint32_t prr;
+ uint32_t cvr;
+ uint32_t features;
+} sh4_def_t;
+
+static sh4_def_t sh4_defs[] = {
+ {
+ .name = "SH7750R",
+ .id = SH_CPU_SH7750R,
+ .pvr = 0x00050000,
+ .prr = 0x00000100,
+ .cvr = 0x00110000,
+ }, {
+ .name = "SH7751R",
+ .id = SH_CPU_SH7751R,
+ .pvr = 0x04050005,
+ .prr = 0x00000113,
+ .cvr = 0x00110000, /* Neutered caches, should be 0x20480000 */
+ }, {
+ .name = "SH7785",
+ .id = SH_CPU_SH7785,
+ .pvr = 0x10300700,
+ .prr = 0x00000200,
+ .cvr = 0x71440211,
+ .features = SH_FEATURE_SH4A,
+ },
+};
+
+static const sh4_def_t *cpu_sh4_find_by_name(const char *name)
+{
+ int i;
+
+ if (strcasecmp(name, "any") == 0)
+ return &sh4_defs[0];
+
+ for (i = 0; i < ARRAY_SIZE(sh4_defs); i++)
+ if (strcasecmp(name, sh4_defs[i].name) == 0)
+ return &sh4_defs[i];
+
+ return NULL;
+}
+
+void sh4_cpu_list(FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...))
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(sh4_defs); i++)
+ (*cpu_fprintf)(f, "%s\n", sh4_defs[i].name);
+}
+
+static void cpu_sh4_register(CPUSH4State *env, const sh4_def_t *def)
+{
+ env->pvr = def->pvr;
+ env->prr = def->prr;
+ env->cvr = def->cvr;
+ env->id = def->id;
+}
+
+CPUSH4State *cpu_sh4_init(const char *cpu_model)
+{
+ CPUSH4State *env;
+ const sh4_def_t *def;
+
+ def = cpu_sh4_find_by_name(cpu_model);
+ if (!def)
+ return NULL;
+ env = qemu_mallocz(sizeof(CPUSH4State));
+ if (!env)
+ return NULL;
+ env->features = def->features;
+ cpu_exec_init(env);
+ sh4_translate_init();
+ env->cpu_model_str = cpu_model;
+ cpu_sh4_reset(env);
+ cpu_sh4_register(env, def);
+ tlb_flush(env, 1);
+ return env;
+}
+
+static void gen_goto_tb(DisasContext * ctx, int n, target_ulong dest)
+{
+ TranslationBlock *tb;
+ tb = ctx->tb;
+
+ if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK) &&
+ !ctx->singlestep_enabled) {
+ /* Use a direct jump if in same page and singlestep not enabled */
+ tcg_gen_goto_tb(n);
+ tcg_gen_movi_i32(cpu_pc, dest);
+ tcg_gen_exit_tb((long) tb + n);
+ } else {
+ tcg_gen_movi_i32(cpu_pc, dest);
+ if (ctx->singlestep_enabled)
+ gen_helper_debug();
+ tcg_gen_exit_tb(0);
+ }
+}
+
+static void gen_jump(DisasContext * ctx)
+{
+ if (ctx->delayed_pc == (uint32_t) - 1) {
+ /* Target is not statically known, it comes necessarily from a
+ delayed jump as immediate jump are conditinal jumps */
+ tcg_gen_mov_i32(cpu_pc, cpu_delayed_pc);
+ if (ctx->singlestep_enabled)
+ gen_helper_debug();
+ tcg_gen_exit_tb(0);
+ } else {
+ gen_goto_tb(ctx, 0, ctx->delayed_pc);
+ }
+}
+
+static inline void gen_branch_slot(uint32_t delayed_pc, int t)
+{
+ TCGv sr;
+ int label = gen_new_label();
+ tcg_gen_movi_i32(cpu_delayed_pc, delayed_pc);
+ sr = tcg_temp_new();
+ tcg_gen_andi_i32(sr, cpu_sr, SR_T);
+ tcg_gen_brcondi_i32(TCG_COND_NE, sr, t ? SR_T : 0, label);
+ tcg_gen_ori_i32(cpu_flags, cpu_flags, DELAY_SLOT_TRUE);
+ gen_set_label(label);
+}
+
+/* Immediate conditional jump (bt or bf) */
+static void gen_conditional_jump(DisasContext * ctx,
+ target_ulong ift, target_ulong ifnott)
+{
+ int l1;
+ TCGv sr;
+
+ l1 = gen_new_label();
+ sr = tcg_temp_new();
+ tcg_gen_andi_i32(sr, cpu_sr, SR_T);
+ tcg_gen_brcondi_i32(TCG_COND_EQ, sr, SR_T, l1);
+ gen_goto_tb(ctx, 0, ifnott);
+ gen_set_label(l1);
+ gen_goto_tb(ctx, 1, ift);
+}
+
+/* Delayed conditional jump (bt or bf) */
+static void gen_delayed_conditional_jump(DisasContext * ctx)
+{
+ int l1;
+ TCGv ds;
+
+ l1 = gen_new_label();
+ ds = tcg_temp_new();
+ tcg_gen_andi_i32(ds, cpu_flags, DELAY_SLOT_TRUE);
+ tcg_gen_brcondi_i32(TCG_COND_EQ, ds, DELAY_SLOT_TRUE, l1);
+ gen_goto_tb(ctx, 1, ctx->pc + 2);
+ gen_set_label(l1);
+ tcg_gen_andi_i32(cpu_flags, cpu_flags, ~DELAY_SLOT_TRUE);
+ gen_jump(ctx);
+}
+
+static inline void gen_set_t(void)
+{
+ tcg_gen_ori_i32(cpu_sr, cpu_sr, SR_T);
+}
+
+static inline void gen_clr_t(void)
+{
+ tcg_gen_andi_i32(cpu_sr, cpu_sr, ~SR_T);
+}
+
+static inline void gen_cmp(int cond, TCGv t0, TCGv t1)
+{
+ int label1 = gen_new_label();
+ int label2 = gen_new_label();
+ tcg_gen_brcond_i32(cond, t1, t0, label1);
+ gen_clr_t();
+ tcg_gen_br(label2);
+ gen_set_label(label1);
+ gen_set_t();
+ gen_set_label(label2);
+}
+
+static inline void gen_cmp_imm(int cond, TCGv t0, int32_t imm)
+{
+ int label1 = gen_new_label();
+ int label2 = gen_new_label();
+ tcg_gen_brcondi_i32(cond, t0, imm, label1);
+ gen_clr_t();
+ tcg_gen_br(label2);
+ gen_set_label(label1);
+ gen_set_t();
+ gen_set_label(label2);
+}
+
+static inline void gen_store_flags(uint32_t flags)
+{
+ tcg_gen_andi_i32(cpu_flags, cpu_flags, DELAY_SLOT_TRUE);
+ tcg_gen_ori_i32(cpu_flags, cpu_flags, flags);
+}
+
+static inline void gen_copy_bit_i32(TCGv t0, int p0, TCGv t1, int p1)
+{
+ TCGv tmp = tcg_temp_new();
+
+ p0 &= 0x1f;
+ p1 &= 0x1f;
+
+ tcg_gen_andi_i32(tmp, t1, (1 << p1));
+ tcg_gen_andi_i32(t0, t0, ~(1 << p0));
+ if (p0 < p1)
+ tcg_gen_shri_i32(tmp, tmp, p1 - p0);
+ else if (p0 > p1)
+ tcg_gen_shli_i32(tmp, tmp, p0 - p1);
+ tcg_gen_or_i32(t0, t0, tmp);
+
+ tcg_temp_free(tmp);
+}
+
+static inline void gen_load_fpr64(TCGv_i64 t, int reg)
+{
+ tcg_gen_concat_i32_i64(t, cpu_fregs[reg + 1], cpu_fregs[reg]);
+}
+
+static inline void gen_store_fpr64 (TCGv_i64 t, int reg)
+{
+ TCGv_i32 tmp = tcg_temp_new_i32();
+ tcg_gen_trunc_i64_i32(tmp, t);
+ tcg_gen_mov_i32(cpu_fregs[reg + 1], tmp);
+ tcg_gen_shri_i64(t, t, 32);
+ tcg_gen_trunc_i64_i32(tmp, t);
+ tcg_gen_mov_i32(cpu_fregs[reg], tmp);
+ tcg_temp_free_i32(tmp);
+}
+
+#define B3_0 (ctx->opcode & 0xf)
+#define B6_4 ((ctx->opcode >> 4) & 0x7)
+#define B7_4 ((ctx->opcode >> 4) & 0xf)
+#define B7_0 (ctx->opcode & 0xff)
+#define B7_0s ((int32_t) (int8_t) (ctx->opcode & 0xff))
+#define B11_0s (ctx->opcode & 0x800 ? 0xfffff000 | (ctx->opcode & 0xfff) : \
+ (ctx->opcode & 0xfff))
+#define B11_8 ((ctx->opcode >> 8) & 0xf)
+#define B15_12 ((ctx->opcode >> 12) & 0xf)
+
+#define REG(x) ((x) < 8 && (ctx->sr & (SR_MD | SR_RB)) == (SR_MD | SR_RB) ? \
+ (cpu_gregs[x + 16]) : (cpu_gregs[x]))
+
+#define ALTREG(x) ((x) < 8 && (ctx->sr & (SR_MD | SR_RB)) != (SR_MD | SR_RB) \
+ ? (cpu_gregs[x + 16]) : (cpu_gregs[x]))
+
+#define FREG(x) (ctx->fpscr & FPSCR_FR ? (x) ^ 0x10 : (x))
+#define XHACK(x) ((((x) & 1 ) << 4) | ((x) & 0xe))
+#define XREG(x) (ctx->fpscr & FPSCR_FR ? XHACK(x) ^ 0x10 : XHACK(x))
+#define DREG(x) FREG(x) /* Assumes lsb of (x) is always 0 */
+
+#define CHECK_NOT_DELAY_SLOT \
+ if (ctx->flags & (DELAY_SLOT | DELAY_SLOT_CONDITIONAL)) \
+ { \
+ tcg_gen_movi_i32(cpu_pc, ctx->pc-2); \
+ gen_helper_raise_slot_illegal_instruction(); \
+ ctx->bstate = BS_EXCP; \
+ return; \
+ }
+
+#define CHECK_PRIVILEGED \
+ if (IS_USER(ctx)) { \
+ tcg_gen_movi_i32(cpu_pc, ctx->pc); \
+ gen_helper_raise_illegal_instruction(); \
+ ctx->bstate = BS_EXCP; \
+ return; \
+ }
+
+#define CHECK_FPU_ENABLED \
+ if (ctx->flags & SR_FD) { \
+ if (ctx->flags & (DELAY_SLOT | DELAY_SLOT_CONDITIONAL)) { \
+ tcg_gen_movi_i32(cpu_pc, ctx->pc-2); \
+ gen_helper_raise_slot_fpu_disable(); \
+ } else { \
+ tcg_gen_movi_i32(cpu_pc, ctx->pc); \
+ gen_helper_raise_fpu_disable(); \
+ } \
+ ctx->bstate = BS_EXCP; \
+ return; \
+ }
+
+static void _decode_opc(DisasContext * ctx)
+{
+#if 0
+ fprintf(stderr, "Translating opcode 0x%04x\n", ctx->opcode);
+#endif
+
+ switch (ctx->opcode) {
+ case 0x0019: /* div0u */
+ tcg_gen_andi_i32(cpu_sr, cpu_sr, ~(SR_M | SR_Q | SR_T));
+ return;
+ case 0x000b: /* rts */
+ CHECK_NOT_DELAY_SLOT
+ tcg_gen_mov_i32(cpu_delayed_pc, cpu_pr);
+ ctx->flags |= DELAY_SLOT;
+ ctx->delayed_pc = (uint32_t) - 1;
+ return;
+ case 0x0028: /* clrmac */
+ tcg_gen_movi_i32(cpu_mach, 0);
+ tcg_gen_movi_i32(cpu_macl, 0);
+ return;
+ case 0x0048: /* clrs */
+ tcg_gen_andi_i32(cpu_sr, cpu_sr, ~SR_S);
+ return;
+ case 0x0008: /* clrt */
+ gen_clr_t();
+ return;
+ case 0x0038: /* ldtlb */
+ CHECK_PRIVILEGED
+ gen_helper_ldtlb();
+ return;
+ case 0x002b: /* rte */
+ CHECK_PRIVILEGED
+ CHECK_NOT_DELAY_SLOT
+ tcg_gen_mov_i32(cpu_sr, cpu_ssr);
+ tcg_gen_mov_i32(cpu_delayed_pc, cpu_spc);
+ ctx->flags |= DELAY_SLOT;
+ ctx->delayed_pc = (uint32_t) - 1;
+ return;
+ case 0x0058: /* sets */
+ tcg_gen_ori_i32(cpu_sr, cpu_sr, SR_S);
+ return;
+ case 0x0018: /* sett */
+ gen_set_t();
+ return;
+ case 0xfbfd: /* frchg */
+ tcg_gen_xori_i32(cpu_fpscr, cpu_fpscr, FPSCR_FR);
+ ctx->bstate = BS_STOP;
+ return;
+ case 0xf3fd: /* fschg */
+ tcg_gen_xori_i32(cpu_fpscr, cpu_fpscr, FPSCR_SZ);
+ ctx->bstate = BS_STOP;
+ return;
+ case 0x0009: /* nop */
+ return;
+ case 0x001b: /* sleep */
+ CHECK_PRIVILEGED
+ gen_helper_sleep(tcg_const_i32(ctx->pc + 2));
+ return;
+ }
+
+ switch (ctx->opcode & 0xf000) {
+ case 0x1000: /* mov.l Rm,@(disp,Rn) */
+ {
+ TCGv addr = tcg_temp_new();
+ tcg_gen_addi_i32(addr, REG(B11_8), B3_0 * 4);
+ tcg_gen_qemu_st32(REG(B7_4), addr, ctx->memidx);
+ tcg_temp_free(addr);
+ }
+ return;
+ case 0x5000: /* mov.l @(disp,Rm),Rn */
+ {
+ TCGv addr = tcg_temp_new();
+ tcg_gen_addi_i32(addr, REG(B7_4), B3_0 * 4);
+ tcg_gen_qemu_ld32s(REG(B11_8), addr, ctx->memidx);
+ tcg_temp_free(addr);
+ }
+ return;
+ case 0xe000: /* mov #imm,Rn */
+ tcg_gen_movi_i32(REG(B11_8), B7_0s);
+ return;
+ case 0x9000: /* mov.w @(disp,PC),Rn */
+ {
+ TCGv addr = tcg_const_i32(ctx->pc + 4 + B7_0 * 2);
+ tcg_gen_qemu_ld16s(REG(B11_8), addr, ctx->memidx);
+ tcg_temp_free(addr);
+ }
+ return;
+ case 0xd000: /* mov.l @(disp,PC),Rn */
+ {
+ TCGv addr = tcg_const_i32((ctx->pc + 4 + B7_0 * 4) & ~3);
+ tcg_gen_qemu_ld32s(REG(B11_8), addr, ctx->memidx);
+ tcg_temp_free(addr);
+ }
+ return;
+ case 0x7000: /* add #imm,Rn */
+ tcg_gen_addi_i32(REG(B11_8), REG(B11_8), B7_0s);
+ return;
+ case 0xa000: /* bra disp */
+ CHECK_NOT_DELAY_SLOT
+ ctx->delayed_pc = ctx->pc + 4 + B11_0s * 2;
+ tcg_gen_movi_i32(cpu_delayed_pc, ctx->delayed_pc);
+ ctx->flags |= DELAY_SLOT;
+ return;
+ case 0xb000: /* bsr disp */
+ CHECK_NOT_DELAY_SLOT
+ tcg_gen_movi_i32(cpu_pr, ctx->pc + 4);
+ ctx->delayed_pc = ctx->pc + 4 + B11_0s * 2;
+ tcg_gen_movi_i32(cpu_delayed_pc, ctx->delayed_pc);
+ ctx->flags |= DELAY_SLOT;
+ return;
+ }
+
+ switch (ctx->opcode & 0xf00f) {
+ case 0x6003: /* mov Rm,Rn */
+ tcg_gen_mov_i32(REG(B11_8), REG(B7_4));
+ return;
+ case 0x2000: /* mov.b Rm,@Rn */
+ tcg_gen_qemu_st8(REG(B7_4), REG(B11_8), ctx->memidx);
+ return;
+ case 0x2001: /* mov.w Rm,@Rn */
+ tcg_gen_qemu_st16(REG(B7_4), REG(B11_8), ctx->memidx);
+ return;
+ case 0x2002: /* mov.l Rm,@Rn */
+ tcg_gen_qemu_st32(REG(B7_4), REG(B11_8), ctx->memidx);
+ return;
+ case 0x6000: /* mov.b @Rm,Rn */
+ tcg_gen_qemu_ld8s(REG(B11_8), REG(B7_4), ctx->memidx);
+ return;
+ case 0x6001: /* mov.w @Rm,Rn */
+ tcg_gen_qemu_ld16s(REG(B11_8), REG(B7_4), ctx->memidx);
+ return;
+ case 0x6002: /* mov.l @Rm,Rn */
+ tcg_gen_qemu_ld32s(REG(B11_8), REG(B7_4), ctx->memidx);
+ return;
+ case 0x2004: /* mov.b Rm,@-Rn */
+ {
+ TCGv addr = tcg_temp_new();
+ tcg_gen_subi_i32(addr, REG(B11_8), 1);
+ tcg_gen_qemu_st8(REG(B7_4), addr, ctx->memidx); /* might cause re-execution */
+ tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 1); /* modify register status */
+ tcg_temp_free(addr);
+ }
+ return;
+ case 0x2005: /* mov.w Rm,@-Rn */
+ {
+ TCGv addr = tcg_temp_new();
+ tcg_gen_subi_i32(addr, REG(B11_8), 2);
+ tcg_gen_qemu_st16(REG(B7_4), addr, ctx->memidx);
+ tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 2);
+ tcg_temp_free(addr);
+ }
+ return;
+ case 0x2006: /* mov.l Rm,@-Rn */
+ {
+ TCGv addr = tcg_temp_new();
+ tcg_gen_subi_i32(addr, REG(B11_8), 4);
+ tcg_gen_qemu_st32(REG(B7_4), addr, ctx->memidx);
+ tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 4);
+ }
+ return;
+ case 0x6004: /* mov.b @Rm+,Rn */
+ tcg_gen_qemu_ld8s(REG(B11_8), REG(B7_4), ctx->memidx);
+ if ( B11_8 != B7_4 )
+ tcg_gen_addi_i32(REG(B7_4), REG(B7_4), 1);
+ return;
+ case 0x6005: /* mov.w @Rm+,Rn */
+ tcg_gen_qemu_ld16s(REG(B11_8), REG(B7_4), ctx->memidx);
+ if ( B11_8 != B7_4 )
+ tcg_gen_addi_i32(REG(B7_4), REG(B7_4), 2);
+ return;
+ case 0x6006: /* mov.l @Rm+,Rn */
+ tcg_gen_qemu_ld32s(REG(B11_8), REG(B7_4), ctx->memidx);
+ if ( B11_8 != B7_4 )
+ tcg_gen_addi_i32(REG(B7_4), REG(B7_4), 4);
+ return;
+ case 0x0004: /* mov.b Rm,@(R0,Rn) */
+ {
+ TCGv addr = tcg_temp_new();
+ tcg_gen_add_i32(addr, REG(B11_8), REG(0));
+ tcg_gen_qemu_st8(REG(B7_4), addr, ctx->memidx);
+ tcg_temp_free(addr);
+ }
+ return;
+ case 0x0005: /* mov.w Rm,@(R0,Rn) */
+ {
+ TCGv addr = tcg_temp_new();
+ tcg_gen_add_i32(addr, REG(B11_8), REG(0));
+ tcg_gen_qemu_st16(REG(B7_4), addr, ctx->memidx);
+ tcg_temp_free(addr);
+ }
+ return;
+ case 0x0006: /* mov.l Rm,@(R0,Rn) */
+ {
+ TCGv addr = tcg_temp_new();
+ tcg_gen_add_i32(addr, REG(B11_8), REG(0));
+ tcg_gen_qemu_st32(REG(B7_4), addr, ctx->memidx);
+ tcg_temp_free(addr);
+ }
+ return;
+ case 0x000c: /* mov.b @(R0,Rm),Rn */
+ {
+ TCGv addr = tcg_temp_new();
+ tcg_gen_add_i32(addr, REG(B7_4), REG(0));
+ tcg_gen_qemu_ld8s(REG(B11_8), addr, ctx->memidx);
+ tcg_temp_free(addr);
+ }
+ return;
+ case 0x000d: /* mov.w @(R0,Rm),Rn */
+ {
+ TCGv addr = tcg_temp_new();
+ tcg_gen_add_i32(addr, REG(B7_4), REG(0));
+ tcg_gen_qemu_ld16s(REG(B11_8), addr, ctx->memidx);
+ tcg_temp_free(addr);
+ }
+ return;
+ case 0x000e: /* mov.l @(R0,Rm),Rn */
+ {
+ TCGv addr = tcg_temp_new();
+ tcg_gen_add_i32(addr, REG(B7_4), REG(0));
+ tcg_gen_qemu_ld32s(REG(B11_8), addr, ctx->memidx);
+ tcg_temp_free(addr);
+ }
+ return;
+ case 0x6008: /* swap.b Rm,Rn */
+ {
+ TCGv highw, high, low;
+ highw = tcg_temp_new();
+ tcg_gen_andi_i32(highw, REG(B7_4), 0xffff0000);
+ high = tcg_temp_new();
+ tcg_gen_ext8u_i32(high, REG(B7_4));
+ tcg_gen_shli_i32(high, high, 8);
+ low = tcg_temp_new();
+ tcg_gen_shri_i32(low, REG(B7_4), 8);
+ tcg_gen_ext8u_i32(low, low);
+ tcg_gen_or_i32(REG(B11_8), high, low);
+ tcg_gen_or_i32(REG(B11_8), REG(B11_8), highw);
+ tcg_temp_free(low);
+ tcg_temp_free(high);
+ }
+ return;
+ case 0x6009: /* swap.w Rm,Rn */
+ {
+ TCGv high, low;
+ high = tcg_temp_new();
+ tcg_gen_ext16u_i32(high, REG(B7_4));
+ tcg_gen_shli_i32(high, high, 16);
+ low = tcg_temp_new();
+ tcg_gen_shri_i32(low, REG(B7_4), 16);
+ tcg_gen_ext16u_i32(low, low);
+ tcg_gen_or_i32(REG(B11_8), high, low);
+ tcg_temp_free(low);
+ tcg_temp_free(high);
+ }
+ return;
+ case 0x200d: /* xtrct Rm,Rn */
+ {
+ TCGv high, low;
+ high = tcg_temp_new();
+ tcg_gen_ext16u_i32(high, REG(B7_4));
+ tcg_gen_shli_i32(high, high, 16);
+ low = tcg_temp_new();
+ tcg_gen_shri_i32(low, REG(B11_8), 16);
+ tcg_gen_ext16u_i32(low, low);
+ tcg_gen_or_i32(REG(B11_8), high, low);
+ tcg_temp_free(low);
+ tcg_temp_free(high);
+ }
+ return;
+ case 0x300c: /* add Rm,Rn */
+ tcg_gen_add_i32(REG(B11_8), REG(B11_8), REG(B7_4));
+ return;
+ case 0x300e: /* addc Rm,Rn */
+ gen_helper_addc(REG(B11_8), REG(B7_4), REG(B11_8));
+ return;
+ case 0x300f: /* addv Rm,Rn */
+ gen_helper_addv(REG(B11_8), REG(B7_4), REG(B11_8));
+ return;
+ case 0x2009: /* and Rm,Rn */
+ tcg_gen_and_i32(REG(B11_8), REG(B11_8), REG(B7_4));
+ return;
+ case 0x3000: /* cmp/eq Rm,Rn */
+ gen_cmp(TCG_COND_EQ, REG(B7_4), REG(B11_8));
+ return;
+ case 0x3003: /* cmp/ge Rm,Rn */
+ gen_cmp(TCG_COND_GE, REG(B7_4), REG(B11_8));
+ return;
+ case 0x3007: /* cmp/gt Rm,Rn */
+ gen_cmp(TCG_COND_GT, REG(B7_4), REG(B11_8));
+ return;
+ case 0x3006: /* cmp/hi Rm,Rn */
+ gen_cmp(TCG_COND_GTU, REG(B7_4), REG(B11_8));
+ return;
+ case 0x3002: /* cmp/hs Rm,Rn */
+ gen_cmp(TCG_COND_GEU, REG(B7_4), REG(B11_8));
+ return;
+ case 0x200c: /* cmp/str Rm,Rn */
+ {
+ int label1 = gen_new_label();
+ int label2 = gen_new_label();
+ TCGv cmp1 = tcg_temp_local_new(TCG_TYPE_I32);
+ TCGv cmp2 = tcg_temp_local_new(TCG_TYPE_I32);
+ tcg_gen_xor_i32(cmp1, REG(B7_4), REG(B11_8));
+ tcg_gen_andi_i32(cmp2, cmp1, 0xff000000);
+ tcg_gen_brcondi_i32(TCG_COND_EQ, cmp2, 0, label1);
+ tcg_gen_andi_i32(cmp2, cmp1, 0x00ff0000);
+ tcg_gen_brcondi_i32(TCG_COND_EQ, cmp2, 0, label1);
+ tcg_gen_andi_i32(cmp2, cmp1, 0x0000ff00);
+ tcg_gen_brcondi_i32(TCG_COND_EQ, cmp2, 0, label1);
+ tcg_gen_andi_i32(cmp2, cmp1, 0x000000ff);
+ tcg_gen_brcondi_i32(TCG_COND_EQ, cmp2, 0, label1);
+ tcg_gen_andi_i32(cpu_sr, cpu_sr, ~SR_T);
+ tcg_gen_br(label2);
+ gen_set_label(label1);
+ tcg_gen_ori_i32(cpu_sr, cpu_sr, SR_T);
+ gen_set_label(label2);
+ tcg_temp_free(cmp2);
+ tcg_temp_free(cmp1);
+ }
+ return;
+ case 0x2007: /* div0s Rm,Rn */
+ {
+ gen_copy_bit_i32(cpu_sr, 8, REG(B11_8), 31); /* SR_Q */
+ gen_copy_bit_i32(cpu_sr, 9, REG(B7_4), 31); /* SR_M */
+ TCGv val = tcg_temp_new();
+ tcg_gen_xor_i32(val, REG(B7_4), REG(B11_8));
+ gen_copy_bit_i32(cpu_sr, 0, val, 31); /* SR_T */
+ tcg_temp_free(val);
+ }
+ return;
+ case 0x3004: /* div1 Rm,Rn */
+ gen_helper_div1(REG(B11_8), REG(B7_4), REG(B11_8));
+ return;
+ case 0x300d: /* dmuls.l Rm,Rn */
+ {
+ TCGv_i64 tmp1 = tcg_temp_new_i64();
+ TCGv_i64 tmp2 = tcg_temp_new_i64();
+
+ tcg_gen_ext_i32_i64(tmp1, REG(B7_4));
+ tcg_gen_ext_i32_i64(tmp2, REG(B11_8));
+ tcg_gen_mul_i64(tmp1, tmp1, tmp2);
+ tcg_gen_trunc_i64_i32(cpu_macl, tmp1);
+ tcg_gen_shri_i64(tmp1, tmp1, 32);
+ tcg_gen_trunc_i64_i32(cpu_mach, tmp1);
+
+ tcg_temp_free_i64(tmp2);
+ tcg_temp_free_i64(tmp1);
+ }
+ return;
+ case 0x3005: /* dmulu.l Rm,Rn */
+ {
+ TCGv_i64 tmp1 = tcg_temp_new_i64();
+ TCGv_i64 tmp2 = tcg_temp_new_i64();
+
+ tcg_gen_extu_i32_i64(tmp1, REG(B7_4));
+ tcg_gen_extu_i32_i64(tmp2, REG(B11_8));
+ tcg_gen_mul_i64(tmp1, tmp1, tmp2);
+ tcg_gen_trunc_i64_i32(cpu_macl, tmp1);
+ tcg_gen_shri_i64(tmp1, tmp1, 32);
+ tcg_gen_trunc_i64_i32(cpu_mach, tmp1);
+
+ tcg_temp_free_i64(tmp2);
+ tcg_temp_free_i64(tmp1);
+ }
+ return;
+ case 0x600e: /* exts.b Rm,Rn */
+ tcg_gen_ext8s_i32(REG(B11_8), REG(B7_4));
+ return;
+ case 0x600f: /* exts.w Rm,Rn */
+ tcg_gen_ext16s_i32(REG(B11_8), REG(B7_4));
+ return;
+ case 0x600c: /* extu.b Rm,Rn */
+ tcg_gen_ext8u_i32(REG(B11_8), REG(B7_4));
+ return;
+ case 0x600d: /* extu.w Rm,Rn */
+ tcg_gen_ext16u_i32(REG(B11_8), REG(B7_4));
+ return;
+ case 0x000f: /* mac.l @Rm+,@Rn+ */
+ {
+ TCGv arg0, arg1;
+ arg0 = tcg_temp_new();
+ tcg_gen_qemu_ld32s(arg0, REG(B7_4), ctx->memidx);
+ arg1 = tcg_temp_new();
+ tcg_gen_qemu_ld32s(arg1, REG(B11_8), ctx->memidx);
+ gen_helper_macl(arg0, arg1);
+ tcg_temp_free(arg1);
+ tcg_temp_free(arg0);
+ tcg_gen_addi_i32(REG(B7_4), REG(B7_4), 4);
+ tcg_gen_addi_i32(REG(B11_8), REG(B11_8), 4);
+ }
+ return;
+ case 0x400f: /* mac.w @Rm+,@Rn+ */
+ {
+ TCGv arg0, arg1;
+ arg0 = tcg_temp_new();
+ tcg_gen_qemu_ld32s(arg0, REG(B7_4), ctx->memidx);
+ arg1 = tcg_temp_new();
+ tcg_gen_qemu_ld32s(arg1, REG(B11_8), ctx->memidx);
+ gen_helper_macw(arg0, arg1);
+ tcg_temp_free(arg1);
+ tcg_temp_free(arg0);
+ tcg_gen_addi_i32(REG(B11_8), REG(B11_8), 2);
+ tcg_gen_addi_i32(REG(B7_4), REG(B7_4), 2);
+ }
+ return;
+ case 0x0007: /* mul.l Rm,Rn */
+ tcg_gen_mul_i32(cpu_macl, REG(B7_4), REG(B11_8));
+ return;
+ case 0x200f: /* muls.w Rm,Rn */
+ {
+ TCGv arg0, arg1;
+ arg0 = tcg_temp_new();
+ tcg_gen_ext16s_i32(arg0, REG(B7_4));
+ arg1 = tcg_temp_new();
+ tcg_gen_ext16s_i32(arg1, REG(B11_8));
+ tcg_gen_mul_i32(cpu_macl, arg0, arg1);
+ tcg_temp_free(arg1);
+ tcg_temp_free(arg0);
+ }
+ return;
+ case 0x200e: /* mulu.w Rm,Rn */
+ {
+ TCGv arg0, arg1;
+ arg0 = tcg_temp_new();
+ tcg_gen_ext16u_i32(arg0, REG(B7_4));
+ arg1 = tcg_temp_new();
+ tcg_gen_ext16u_i32(arg1, REG(B11_8));
+ tcg_gen_mul_i32(cpu_macl, arg0, arg1);
+ tcg_temp_free(arg1);
+ tcg_temp_free(arg0);
+ }
+ return;
+ case 0x600b: /* neg Rm,Rn */
+ tcg_gen_neg_i32(REG(B11_8), REG(B7_4));
+ return;
+ case 0x600a: /* negc Rm,Rn */
+ gen_helper_negc(REG(B11_8), REG(B7_4));
+ return;
+ case 0x6007: /* not Rm,Rn */
+ tcg_gen_not_i32(REG(B11_8), REG(B7_4));
+ return;
+ case 0x200b: /* or Rm,Rn */
+ tcg_gen_or_i32(REG(B11_8), REG(B11_8), REG(B7_4));
+ return;
+ case 0x400c: /* shad Rm,Rn */
+ {
+ int label1 = gen_new_label();
+ int label2 = gen_new_label();
+ int label3 = gen_new_label();
+ int label4 = gen_new_label();
+ TCGv shift = tcg_temp_local_new(TCG_TYPE_I32);
+ tcg_gen_brcondi_i32(TCG_COND_LT, REG(B7_4), 0, label1);
+ /* Rm positive, shift to the left */
+ tcg_gen_andi_i32(shift, REG(B7_4), 0x1f);
+ tcg_gen_shl_i32(REG(B11_8), REG(B11_8), shift);
+ tcg_gen_br(label4);
+ /* Rm negative, shift to the right */
+ gen_set_label(label1);
+ tcg_gen_andi_i32(shift, REG(B7_4), 0x1f);
+ tcg_gen_brcondi_i32(TCG_COND_EQ, shift, 0, label2);
+ tcg_gen_not_i32(shift, REG(B7_4));
+ tcg_gen_andi_i32(shift, shift, 0x1f);
+ tcg_gen_addi_i32(shift, shift, 1);
+ tcg_gen_sar_i32(REG(B11_8), REG(B11_8), shift);
+ tcg_gen_br(label4);
+ /* Rm = -32 */
+ gen_set_label(label2);
+ tcg_gen_brcondi_i32(TCG_COND_LT, REG(B11_8), 0, label3);
+ tcg_gen_movi_i32(REG(B11_8), 0);
+ tcg_gen_br(label4);
+ gen_set_label(label3);
+ tcg_gen_movi_i32(REG(B11_8), 0xffffffff);
+ gen_set_label(label4);
+ tcg_temp_free(shift);
+ }
+ return;
+ case 0x400d: /* shld Rm,Rn */
+ {
+ int label1 = gen_new_label();
+ int label2 = gen_new_label();
+ int label3 = gen_new_label();
+ TCGv shift = tcg_temp_local_new(TCG_TYPE_I32);
+ tcg_gen_brcondi_i32(TCG_COND_LT, REG(B7_4), 0, label1);
+ /* Rm positive, shift to the left */
+ tcg_gen_andi_i32(shift, REG(B7_4), 0x1f);
+ tcg_gen_shl_i32(REG(B11_8), REG(B11_8), shift);
+ tcg_gen_br(label3);
+ /* Rm negative, shift to the right */
+ gen_set_label(label1);
+ tcg_gen_andi_i32(shift, REG(B7_4), 0x1f);
+ tcg_gen_brcondi_i32(TCG_COND_EQ, shift, 0, label2);
+ tcg_gen_not_i32(shift, REG(B7_4));
+ tcg_gen_andi_i32(shift, shift, 0x1f);
+ tcg_gen_addi_i32(shift, shift, 1);
+ tcg_gen_shr_i32(REG(B11_8), REG(B11_8), shift);
+ tcg_gen_br(label3);
+ /* Rm = -32 */
+ gen_set_label(label2);
+ tcg_gen_movi_i32(REG(B11_8), 0);
+ gen_set_label(label3);
+ tcg_temp_free(shift);
+ }
+ return;
+ case 0x3008: /* sub Rm,Rn */
+ tcg_gen_sub_i32(REG(B11_8), REG(B11_8), REG(B7_4));
+ return;
+ case 0x300a: /* subc Rm,Rn */
+ gen_helper_subc(REG(B11_8), REG(B7_4), REG(B11_8));
+ return;
+ case 0x300b: /* subv Rm,Rn */
+ gen_helper_subv(REG(B11_8), REG(B7_4), REG(B11_8));
+ return;
+ case 0x2008: /* tst Rm,Rn */
+ {
+ TCGv val = tcg_temp_new();
+ tcg_gen_and_i32(val, REG(B7_4), REG(B11_8));
+ gen_cmp_imm(TCG_COND_EQ, val, 0);
+ tcg_temp_free(val);
+ }
+ return;
+ case 0x200a: /* xor Rm,Rn */
+ tcg_gen_xor_i32(REG(B11_8), REG(B11_8), REG(B7_4));
+ return;
+ case 0xf00c: /* fmov {F,D,X}Rm,{F,D,X}Rn - FPSCR: Nothing */
+ CHECK_FPU_ENABLED
+ if (ctx->fpscr & FPSCR_SZ) {
+ TCGv_i64 fp = tcg_temp_new_i64();
+ gen_load_fpr64(fp, XREG(B7_4));
+ gen_store_fpr64(fp, XREG(B11_8));
+ tcg_temp_free_i64(fp);
+ } else {
+ tcg_gen_mov_i32(cpu_fregs[FREG(B11_8)], cpu_fregs[FREG(B7_4)]);
+ }
+ return;
+ case 0xf00a: /* fmov {F,D,X}Rm,@Rn - FPSCR: Nothing */
+ CHECK_FPU_ENABLED
+ if (ctx->fpscr & FPSCR_SZ) {
+ TCGv addr_hi = tcg_temp_new();
+ int fr = XREG(B7_4);
+ tcg_gen_addi_i32(addr_hi, REG(B11_8), 4);
+ tcg_gen_qemu_st32(cpu_fregs[fr ], REG(B11_8), ctx->memidx);
+ tcg_gen_qemu_st32(cpu_fregs[fr+1], addr_hi, ctx->memidx);
+ tcg_temp_free(addr_hi);
+ } else {
+ tcg_gen_qemu_st32(cpu_fregs[FREG(B7_4)], REG(B11_8), ctx->memidx);
+ }
+ return;
+ case 0xf008: /* fmov @Rm,{F,D,X}Rn - FPSCR: Nothing */
+ CHECK_FPU_ENABLED
+ if (ctx->fpscr & FPSCR_SZ) {
+ TCGv addr_hi = tcg_temp_new();
+ int fr = XREG(B11_8);
+ tcg_gen_addi_i32(addr_hi, REG(B7_4), 4);
+ tcg_gen_qemu_ld32u(cpu_fregs[fr ], REG(B7_4), ctx->memidx);
+ tcg_gen_qemu_ld32u(cpu_fregs[fr+1], addr_hi, ctx->memidx);
+ tcg_temp_free(addr_hi);
+ } else {
+ tcg_gen_qemu_ld32u(cpu_fregs[FREG(B11_8)], REG(B7_4), ctx->memidx);
+ }
+ return;
+ case 0xf009: /* fmov @Rm+,{F,D,X}Rn - FPSCR: Nothing */
+ CHECK_FPU_ENABLED
+ if (ctx->fpscr & FPSCR_SZ) {
+ TCGv addr_hi = tcg_temp_new();
+ int fr = XREG(B11_8);
+ tcg_gen_addi_i32(addr_hi, REG(B7_4), 4);
+ tcg_gen_qemu_ld32u(cpu_fregs[fr ], REG(B7_4), ctx->memidx);
+ tcg_gen_qemu_ld32u(cpu_fregs[fr+1], addr_hi, ctx->memidx);
+ tcg_gen_addi_i32(REG(B7_4), REG(B7_4), 8);
+ tcg_temp_free(addr_hi);
+ } else {
+ tcg_gen_qemu_ld32u(cpu_fregs[FREG(B11_8)], REG(B7_4), ctx->memidx);
+ tcg_gen_addi_i32(REG(B7_4), REG(B7_4), 4);
+ }
+ return;
+ case 0xf00b: /* fmov {F,D,X}Rm,@-Rn - FPSCR: Nothing */
+ CHECK_FPU_ENABLED
+ if (ctx->fpscr & FPSCR_SZ) {
+ TCGv addr = tcg_temp_new_i32();
+ int fr = XREG(B7_4);
+ tcg_gen_subi_i32(addr, REG(B11_8), 4);
+ tcg_gen_qemu_st32(cpu_fregs[fr+1], addr, ctx->memidx);
+ tcg_gen_subi_i32(addr, REG(B11_8), 8);
+ tcg_gen_qemu_st32(cpu_fregs[fr ], addr, ctx->memidx);
+ tcg_gen_mov_i32(REG(B11_8), addr);
+ tcg_temp_free(addr);
+ } else {
+ TCGv addr;
+ addr = tcg_temp_new_i32();
+ tcg_gen_subi_i32(addr, REG(B11_8), 4);
+ tcg_gen_qemu_st32(cpu_fregs[FREG(B7_4)], addr, ctx->memidx);
+ tcg_temp_free(addr);
+ tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 4);
+ }
+ return;
+ case 0xf006: /* fmov @(R0,Rm),{F,D,X}Rm - FPSCR: Nothing */
+ CHECK_FPU_ENABLED
+ {
+ TCGv addr = tcg_temp_new_i32();
+ tcg_gen_add_i32(addr, REG(B7_4), REG(0));
+ if (ctx->fpscr & FPSCR_SZ) {
+ int fr = XREG(B11_8);
+ tcg_gen_qemu_ld32u(cpu_fregs[fr ], addr, ctx->memidx);
+ tcg_gen_addi_i32(addr, addr, 4);
+ tcg_gen_qemu_ld32u(cpu_fregs[fr+1], addr, ctx->memidx);
+ } else {
+ tcg_gen_qemu_ld32u(cpu_fregs[FREG(B11_8)], addr, ctx->memidx);
+ }
+ tcg_temp_free(addr);
+ }
+ return;
+ case 0xf007: /* fmov {F,D,X}Rn,@(R0,Rn) - FPSCR: Nothing */
+ CHECK_FPU_ENABLED
+ {
+ TCGv addr = tcg_temp_new();
+ tcg_gen_add_i32(addr, REG(B11_8), REG(0));
+ if (ctx->fpscr & FPSCR_SZ) {
+ int fr = XREG(B7_4);
+ tcg_gen_qemu_ld32u(cpu_fregs[fr ], addr, ctx->memidx);
+ tcg_gen_addi_i32(addr, addr, 4);
+ tcg_gen_qemu_ld32u(cpu_fregs[fr+1], addr, ctx->memidx);
+ } else {
+ tcg_gen_qemu_st32(cpu_fregs[FREG(B7_4)], addr, ctx->memidx);
+ }
+ tcg_temp_free(addr);
+ }
+ return;
+ case 0xf000: /* fadd Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */
+ case 0xf001: /* fsub Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */
+ case 0xf002: /* fmul Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */
+ case 0xf003: /* fdiv Rm,Rn - FPSCR: R[PR,Enable.O/U/I]/W[Cause,Flag] */
+ case 0xf004: /* fcmp/eq Rm,Rn - FPSCR: R[PR,Enable.V]/W[Cause,Flag] */
+ case 0xf005: /* fcmp/gt Rm,Rn - FPSCR: R[PR,Enable.V]/W[Cause,Flag] */
+ {
+ CHECK_FPU_ENABLED
+ if (ctx->fpscr & FPSCR_PR) {
+ TCGv_i64 fp0, fp1;
+
+ if (ctx->opcode & 0x0110)
+ break; /* illegal instruction */
+ fp0 = tcg_temp_new_i64();
+ fp1 = tcg_temp_new_i64();
+ gen_load_fpr64(fp0, DREG(B11_8));
+ gen_load_fpr64(fp1, DREG(B7_4));
+ switch (ctx->opcode & 0xf00f) {
+ case 0xf000: /* fadd Rm,Rn */
+ gen_helper_fadd_DT(fp0, fp0, fp1);
+ break;
+ case 0xf001: /* fsub Rm,Rn */
+ gen_helper_fsub_DT(fp0, fp0, fp1);
+ break;
+ case 0xf002: /* fmul Rm,Rn */
+ gen_helper_fmul_DT(fp0, fp0, fp1);
+ break;
+ case 0xf003: /* fdiv Rm,Rn */
+ gen_helper_fdiv_DT(fp0, fp0, fp1);
+ break;
+ case 0xf004: /* fcmp/eq Rm,Rn */
+ gen_helper_fcmp_eq_DT(fp0, fp1);
+ return;
+ case 0xf005: /* fcmp/gt Rm,Rn */
+ gen_helper_fcmp_gt_DT(fp0, fp1);
+ return;
+ }
+ gen_store_fpr64(fp0, DREG(B11_8));
+ tcg_temp_free_i64(fp0);
+ tcg_temp_free_i64(fp1);
+ } else {
+ switch (ctx->opcode & 0xf00f) {
+ case 0xf000: /* fadd Rm,Rn */
+ gen_helper_fadd_FT(cpu_fregs[FREG(B11_8)], cpu_fregs[FREG(B11_8)], cpu_fregs[FREG(B7_4)]);
+ break;
+ case 0xf001: /* fsub Rm,Rn */
+ gen_helper_fsub_FT(cpu_fregs[FREG(B11_8)], cpu_fregs[FREG(B11_8)], cpu_fregs[FREG(B7_4)]);
+ break;
+ case 0xf002: /* fmul Rm,Rn */
+ gen_helper_fmul_FT(cpu_fregs[FREG(B11_8)], cpu_fregs[FREG(B11_8)], cpu_fregs[FREG(B7_4)]);
+ break;
+ case 0xf003: /* fdiv Rm,Rn */
+ gen_helper_fdiv_FT(cpu_fregs[FREG(B11_8)], cpu_fregs[FREG(B11_8)], cpu_fregs[FREG(B7_4)]);
+ break;
+ case 0xf004: /* fcmp/eq Rm,Rn */
+ gen_helper_fcmp_eq_FT(cpu_fregs[FREG(B11_8)], cpu_fregs[FREG(B7_4)]);
+ return;
+ case 0xf005: /* fcmp/gt Rm,Rn */
+ gen_helper_fcmp_gt_FT(cpu_fregs[FREG(B11_8)], cpu_fregs[FREG(B7_4)]);
+ return;
+ }
+ }
+ }
+ return;
+ }
+
+ switch (ctx->opcode & 0xff00) {
+ case 0xc900: /* and #imm,R0 */
+ tcg_gen_andi_i32(REG(0), REG(0), B7_0);
+ return;
+ case 0xcd00: /* and.b #imm,@(R0,GBR) */
+ {
+ TCGv addr, val;
+ addr = tcg_temp_new();
+ tcg_gen_add_i32(addr, REG(0), cpu_gbr);
+ val = tcg_temp_new();
+ tcg_gen_qemu_ld8u(val, addr, ctx->memidx);
+ tcg_gen_andi_i32(val, val, B7_0);
+ tcg_gen_qemu_st8(val, addr, ctx->memidx);
+ tcg_temp_free(val);
+ tcg_temp_free(addr);
+ }
+ return;
+ case 0x8b00: /* bf label */
+ CHECK_NOT_DELAY_SLOT
+ gen_conditional_jump(ctx, ctx->pc + 2,
+ ctx->pc + 4 + B7_0s * 2);
+ ctx->bstate = BS_BRANCH;
+ return;
+ case 0x8f00: /* bf/s label */
+ CHECK_NOT_DELAY_SLOT
+ gen_branch_slot(ctx->delayed_pc = ctx->pc + 4 + B7_0s * 2, 0);
+ ctx->flags |= DELAY_SLOT_CONDITIONAL;
+ return;
+ case 0x8900: /* bt label */
+ CHECK_NOT_DELAY_SLOT
+ gen_conditional_jump(ctx, ctx->pc + 4 + B7_0s * 2,
+ ctx->pc + 2);
+ ctx->bstate = BS_BRANCH;
+ return;
+ case 0x8d00: /* bt/s label */
+ CHECK_NOT_DELAY_SLOT
+ gen_branch_slot(ctx->delayed_pc = ctx->pc + 4 + B7_0s * 2, 1);
+ ctx->flags |= DELAY_SLOT_CONDITIONAL;
+ return;
+ case 0x8800: /* cmp/eq #imm,R0 */
+ gen_cmp_imm(TCG_COND_EQ, REG(0), B7_0s);
+ return;
+ case 0xc400: /* mov.b @(disp,GBR),R0 */
+ {
+ TCGv addr = tcg_temp_new();
+ tcg_gen_addi_i32(addr, cpu_gbr, B7_0);
+ tcg_gen_qemu_ld8s(REG(0), addr, ctx->memidx);
+ tcg_temp_free(addr);
+ }
+ return;
+ case 0xc500: /* mov.w @(disp,GBR),R0 */
+ {
+ TCGv addr = tcg_temp_new();
+ tcg_gen_addi_i32(addr, cpu_gbr, B7_0 * 2);
+ tcg_gen_qemu_ld16s(REG(0), addr, ctx->memidx);
+ tcg_temp_free(addr);
+ }
+ return;
+ case 0xc600: /* mov.l @(disp,GBR),R0 */
+ {
+ TCGv addr = tcg_temp_new();
+ tcg_gen_addi_i32(addr, cpu_gbr, B7_0 * 4);
+ tcg_gen_qemu_ld32s(REG(0), addr, ctx->memidx);
+ tcg_temp_free(addr);
+ }
+ return;
+ case 0xc000: /* mov.b R0,@(disp,GBR) */
+ {
+ TCGv addr = tcg_temp_new();
+ tcg_gen_addi_i32(addr, cpu_gbr, B7_0);
+ tcg_gen_qemu_st8(REG(0), addr, ctx->memidx);
+ tcg_temp_free(addr);
+ }
+ return;
+ case 0xc100: /* mov.w R0,@(disp,GBR) */
+ {
+ TCGv addr = tcg_temp_new();
+ tcg_gen_addi_i32(addr, cpu_gbr, B7_0 * 2);
+ tcg_gen_qemu_st16(REG(0), addr, ctx->memidx);
+ tcg_temp_free(addr);
+ }
+ return;
+ case 0xc200: /* mov.l R0,@(disp,GBR) */
+ {
+ TCGv addr = tcg_temp_new();
+ tcg_gen_addi_i32(addr, cpu_gbr, B7_0 * 4);
+ tcg_gen_qemu_st32(REG(0), addr, ctx->memidx);
+ tcg_temp_free(addr);
+ }
+ return;
+ case 0x8000: /* mov.b R0,@(disp,Rn) */
+ {
+ TCGv addr = tcg_temp_new();
+ tcg_gen_addi_i32(addr, REG(B7_4), B3_0);
+ tcg_gen_qemu_st8(REG(0), addr, ctx->memidx);
+ tcg_temp_free(addr);
+ }
+ return;
+ case 0x8100: /* mov.w R0,@(disp,Rn) */
+ {
+ TCGv addr = tcg_temp_new();
+ tcg_gen_addi_i32(addr, REG(B7_4), B3_0 * 2);
+ tcg_gen_qemu_st16(REG(0), addr, ctx->memidx);
+ tcg_temp_free(addr);
+ }
+ return;
+ case 0x8400: /* mov.b @(disp,Rn),R0 */
+ {
+ TCGv addr = tcg_temp_new();
+ tcg_gen_addi_i32(addr, REG(B7_4), B3_0);
+ tcg_gen_qemu_ld8s(REG(0), addr, ctx->memidx);
+ tcg_temp_free(addr);
+ }
+ return;
+ case 0x8500: /* mov.w @(disp,Rn),R0 */
+ {
+ TCGv addr = tcg_temp_new();
+ tcg_gen_addi_i32(addr, REG(B7_4), B3_0 * 2);
+ tcg_gen_qemu_ld16s(REG(0), addr, ctx->memidx);
+ tcg_temp_free(addr);
+ }
+ return;
+ case 0xc700: /* mova @(disp,PC),R0 */
+ tcg_gen_movi_i32(REG(0), ((ctx->pc & 0xfffffffc) + 4 + B7_0 * 4) & ~3);
+ return;
+ case 0xcb00: /* or #imm,R0 */
+ tcg_gen_ori_i32(REG(0), REG(0), B7_0);
+ return;
+ case 0xcf00: /* or.b #imm,@(R0,GBR) */
+ {
+ TCGv addr, val;
+ addr = tcg_temp_new();
+ tcg_gen_add_i32(addr, REG(0), cpu_gbr);
+ val = tcg_temp_new();
+ tcg_gen_qemu_ld8u(val, addr, ctx->memidx);
+ tcg_gen_ori_i32(val, val, B7_0);
+ tcg_gen_qemu_st8(val, addr, ctx->memidx);
+ tcg_temp_free(val);
+ tcg_temp_free(addr);
+ }
+ return;
+ case 0xc300: /* trapa #imm */
+ {
+ TCGv imm;
+ CHECK_NOT_DELAY_SLOT
+ tcg_gen_movi_i32(cpu_pc, ctx->pc);
+ imm = tcg_const_i32(B7_0);
+ gen_helper_trapa(imm);
+ tcg_temp_free(imm);
+ ctx->bstate = BS_BRANCH;
+ }
+ return;
+ case 0xc800: /* tst #imm,R0 */
+ {
+ TCGv val = tcg_temp_new();
+ tcg_gen_andi_i32(val, REG(0), B7_0);
+ gen_cmp_imm(TCG_COND_EQ, val, 0);
+ tcg_temp_free(val);
+ }
+ return;
+ case 0xcc00: /* tst.b #imm,@(R0,GBR) */
+ {
+ TCGv val = tcg_temp_new();
+ tcg_gen_add_i32(val, REG(0), cpu_gbr);
+ tcg_gen_qemu_ld8u(val, val, ctx->memidx);
+ tcg_gen_andi_i32(val, val, B7_0);
+ gen_cmp_imm(TCG_COND_EQ, val, 0);
+ tcg_temp_free(val);
+ }
+ return;
+ case 0xca00: /* xor #imm,R0 */
+ tcg_gen_xori_i32(REG(0), REG(0), B7_0);
+ return;
+ case 0xce00: /* xor.b #imm,@(R0,GBR) */
+ {
+ TCGv addr, val;
+ addr = tcg_temp_new();
+ tcg_gen_add_i32(addr, REG(0), cpu_gbr);
+ val = tcg_temp_new();
+ tcg_gen_qemu_ld8u(val, addr, ctx->memidx);
+ tcg_gen_xori_i32(val, val, B7_0);
+ tcg_gen_qemu_st8(val, addr, ctx->memidx);
+ tcg_temp_free(val);
+ tcg_temp_free(addr);
+ }
+ return;
+ }
+
+ switch (ctx->opcode & 0xf08f) {
+ case 0x408e: /* ldc Rm,Rn_BANK */
+ CHECK_PRIVILEGED
+ tcg_gen_mov_i32(ALTREG(B6_4), REG(B11_8));
+ return;
+ case 0x4087: /* ldc.l @Rm+,Rn_BANK */
+ CHECK_PRIVILEGED
+ tcg_gen_qemu_ld32s(ALTREG(B6_4), REG(B11_8), ctx->memidx);
+ tcg_gen_addi_i32(REG(B11_8), REG(B11_8), 4);
+ return;
+ case 0x0082: /* stc Rm_BANK,Rn */
+ CHECK_PRIVILEGED
+ tcg_gen_mov_i32(REG(B11_8), ALTREG(B6_4));
+ return;
+ case 0x4083: /* stc.l Rm_BANK,@-Rn */
+ CHECK_PRIVILEGED
+ {
+ TCGv addr = tcg_temp_new();
+ tcg_gen_subi_i32(addr, REG(B11_8), 4);
+ tcg_gen_qemu_st32(ALTREG(B6_4), addr, ctx->memidx);
+ tcg_temp_free(addr);
+ tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 4);
+ }
+ return;
+ }
+
+ switch (ctx->opcode & 0xf0ff) {
+ case 0x0023: /* braf Rn */
+ CHECK_NOT_DELAY_SLOT
+ tcg_gen_addi_i32(cpu_delayed_pc, REG(B11_8), ctx->pc + 4);
+ ctx->flags |= DELAY_SLOT;
+ ctx->delayed_pc = (uint32_t) - 1;
+ return;
+ case 0x0003: /* bsrf Rn */
+ CHECK_NOT_DELAY_SLOT
+ tcg_gen_movi_i32(cpu_pr, ctx->pc + 4);
+ tcg_gen_add_i32(cpu_delayed_pc, REG(B11_8), cpu_pr);
+ ctx->flags |= DELAY_SLOT;
+ ctx->delayed_pc = (uint32_t) - 1;
+ return;
+ case 0x4015: /* cmp/pl Rn */
+ gen_cmp_imm(TCG_COND_GT, REG(B11_8), 0);
+ return;
+ case 0x4011: /* cmp/pz Rn */
+ gen_cmp_imm(TCG_COND_GE, REG(B11_8), 0);
+ return;
+ case 0x4010: /* dt Rn */
+ tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 1);
+ gen_cmp_imm(TCG_COND_EQ, REG(B11_8), 0);
+ return;
+ case 0x402b: /* jmp @Rn */
+ CHECK_NOT_DELAY_SLOT
+ tcg_gen_mov_i32(cpu_delayed_pc, REG(B11_8));
+ ctx->flags |= DELAY_SLOT;
+ ctx->delayed_pc = (uint32_t) - 1;
+ return;
+ case 0x400b: /* jsr @Rn */
+ CHECK_NOT_DELAY_SLOT
+ tcg_gen_movi_i32(cpu_pr, ctx->pc + 4);
+ tcg_gen_mov_i32(cpu_delayed_pc, REG(B11_8));
+ ctx->flags |= DELAY_SLOT;
+ ctx->delayed_pc = (uint32_t) - 1;
+ return;
+ case 0x400e: /* ldc Rm,SR */
+ CHECK_PRIVILEGED
+ tcg_gen_andi_i32(cpu_sr, REG(B11_8), 0x700083f3);
+ ctx->bstate = BS_STOP;
+ return;
+ case 0x4007: /* ldc.l @Rm+,SR */
+ CHECK_PRIVILEGED
+ {
+ TCGv val = tcg_temp_new();
+ tcg_gen_qemu_ld32s(val, REG(B11_8), ctx->memidx);
+ tcg_gen_andi_i32(cpu_sr, val, 0x700083f3);
+ tcg_temp_free(val);
+ tcg_gen_addi_i32(REG(B11_8), REG(B11_8), 4);
+ ctx->bstate = BS_STOP;
+ }
+ return;
+ case 0x0002: /* stc SR,Rn */
+ CHECK_PRIVILEGED
+ tcg_gen_mov_i32(REG(B11_8), cpu_sr);
+ return;
+ case 0x4003: /* stc SR,@-Rn */
+ CHECK_PRIVILEGED
+ {
+ TCGv addr = tcg_temp_new();
+ tcg_gen_subi_i32(addr, REG(B11_8), 4);
+ tcg_gen_qemu_st32(cpu_sr, addr, ctx->memidx);
+ tcg_temp_free(addr);
+ tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 4);
+ }
+ return;
+#define LDST(reg,ldnum,ldpnum,stnum,stpnum,prechk) \
+ case ldnum: \
+ prechk \
+ tcg_gen_mov_i32 (cpu_##reg, REG(B11_8)); \
+ return; \
+ case ldpnum: \
+ prechk \
+ tcg_gen_qemu_ld32s (cpu_##reg, REG(B11_8), ctx->memidx); \
+ tcg_gen_addi_i32(REG(B11_8), REG(B11_8), 4); \
+ return; \
+ case stnum: \
+ prechk \
+ tcg_gen_mov_i32 (REG(B11_8), cpu_##reg); \
+ return; \
+ case stpnum: \
+ prechk \
+ { \
+ TCGv addr = tcg_temp_new(); \
+ tcg_gen_subi_i32(addr, REG(B11_8), 4); \
+ tcg_gen_qemu_st32 (cpu_##reg, addr, ctx->memidx); \
+ tcg_temp_free(addr); \
+ tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 4); \
+ } \
+ return;
+ LDST(gbr, 0x401e, 0x4017, 0x0012, 0x4013, {})
+ LDST(vbr, 0x402e, 0x4027, 0x0022, 0x4023, CHECK_PRIVILEGED)
+ LDST(ssr, 0x403e, 0x4037, 0x0032, 0x4033, CHECK_PRIVILEGED)
+ LDST(spc, 0x404e, 0x4047, 0x0042, 0x4043, CHECK_PRIVILEGED)
+ LDST(dbr, 0x40fa, 0x40f6, 0x00fa, 0x40f2, CHECK_PRIVILEGED)
+ LDST(mach, 0x400a, 0x4006, 0x000a, 0x4002, {})
+ LDST(macl, 0x401a, 0x4016, 0x001a, 0x4012, {})
+ LDST(pr, 0x402a, 0x4026, 0x002a, 0x4022, {})
+ LDST(fpul, 0x405a, 0x4056, 0x005a, 0x4052, {CHECK_FPU_ENABLED})
+ case 0x406a: /* lds Rm,FPSCR */
+ CHECK_FPU_ENABLED
+ gen_helper_ld_fpscr(REG(B11_8));
+ ctx->bstate = BS_STOP;
+ return;
+ case 0x4066: /* lds.l @Rm+,FPSCR */
+ CHECK_FPU_ENABLED
+ {
+ TCGv addr = tcg_temp_new();
+ tcg_gen_qemu_ld32s(addr, REG(B11_8), ctx->memidx);
+ tcg_gen_addi_i32(REG(B11_8), REG(B11_8), 4);
+ gen_helper_ld_fpscr(addr);
+ tcg_temp_free(addr);
+ ctx->bstate = BS_STOP;
+ }
+ return;
+ case 0x006a: /* sts FPSCR,Rn */
+ CHECK_FPU_ENABLED
+ tcg_gen_andi_i32(REG(B11_8), cpu_fpscr, 0x003fffff);
+ return;
+ case 0x4062: /* sts FPSCR,@-Rn */
+ CHECK_FPU_ENABLED
+ {
+ TCGv addr, val;
+ val = tcg_temp_new();
+ tcg_gen_andi_i32(val, cpu_fpscr, 0x003fffff);
+ addr = tcg_temp_new();
+ tcg_gen_subi_i32(addr, REG(B11_8), 4);
+ tcg_gen_qemu_st32(val, addr, ctx->memidx);
+ tcg_temp_free(addr);
+ tcg_temp_free(val);
+ tcg_gen_subi_i32(REG(B11_8), REG(B11_8), 4);
+ }
+ return;
+ case 0x00c3: /* movca.l R0,@Rm */
+ tcg_gen_qemu_st32(REG(0), REG(B11_8), ctx->memidx);
+ return;
+ case 0x40a9:
+ /* MOVUA.L @Rm,R0 (Rm) -> R0
+ Load non-boundary-aligned data */
+ tcg_gen_qemu_ld32u(REG(0), REG(B11_8), ctx->memidx);
+ return;
+ case 0x40e9:
+ /* MOVUA.L @Rm+,R0 (Rm) -> R0, Rm + 4 -> Rm
+ Load non-boundary-aligned data */
+ tcg_gen_qemu_ld32u(REG(0), REG(B11_8), ctx->memidx);
+ tcg_gen_addi_i32(REG(B11_8), REG(B11_8), 4);
+ return;
+ case 0x0029: /* movt Rn */
+ tcg_gen_andi_i32(REG(B11_8), cpu_sr, SR_T);
+ return;
+ case 0x0093: /* ocbi @Rn */
+ {
+ TCGv dummy = tcg_temp_new();
+ tcg_gen_qemu_ld32s(dummy, REG(B11_8), ctx->memidx);
+ tcg_temp_free(dummy);
+ }
+ return;
+ case 0x00a3: /* ocbp @Rn */
+ {
+ TCGv dummy = tcg_temp_new();
+ tcg_gen_qemu_ld32s(dummy, REG(B11_8), ctx->memidx);
+ tcg_temp_free(dummy);
+ }
+ return;
+ case 0x00b3: /* ocbwb @Rn */
+ {
+ TCGv dummy = tcg_temp_new();
+ tcg_gen_qemu_ld32s(dummy, REG(B11_8), ctx->memidx);
+ tcg_temp_free(dummy);
+ }
+ return;
+ case 0x0083: /* pref @Rn */
+ return;
+ case 0x00d3: /* prefi @Rn */
+ if (ctx->features & SH_FEATURE_SH4A)
+ return;
+ else
+ break;
+ case 0x00e3: /* icbi @Rn */
+ if (ctx->features & SH_FEATURE_SH4A)
+ return;
+ else
+ break;
+ case 0x00ab: /* synco */
+ if (ctx->features & SH_FEATURE_SH4A)
+ return;
+ else
+ break;
+ case 0x4024: /* rotcl Rn */
+ {
+ TCGv tmp = tcg_temp_new();
+ tcg_gen_mov_i32(tmp, cpu_sr);
+ gen_copy_bit_i32(cpu_sr, 0, REG(B11_8), 31);
+ tcg_gen_shli_i32(REG(B11_8), REG(B11_8), 1);
+ gen_copy_bit_i32(REG(B11_8), 0, tmp, 0);
+ tcg_temp_free(tmp);
+ }
+ return;
+ case 0x4025: /* rotcr Rn */
+ {
+ TCGv tmp = tcg_temp_new();
+ tcg_gen_mov_i32(tmp, cpu_sr);
+ gen_copy_bit_i32(cpu_sr, 0, REG(B11_8), 0);
+ tcg_gen_shri_i32(REG(B11_8), REG(B11_8), 1);
+ gen_copy_bit_i32(REG(B11_8), 31, tmp, 0);
+ tcg_temp_free(tmp);
+ }
+ return;
+ case 0x4004: /* rotl Rn */
+ gen_copy_bit_i32(cpu_sr, 0, REG(B11_8), 31);
+ tcg_gen_shli_i32(REG(B11_8), REG(B11_8), 1);
+ gen_copy_bit_i32(REG(B11_8), 0, cpu_sr, 0);
+ return;
+ case 0x4005: /* rotr Rn */
+ gen_copy_bit_i32(cpu_sr, 0, REG(B11_8), 0);
+ tcg_gen_shri_i32(REG(B11_8), REG(B11_8), 1);
+ gen_copy_bit_i32(REG(B11_8), 31, cpu_sr, 0);
+ return;
+ case 0x4000: /* shll Rn */
+ case 0x4020: /* shal Rn */
+ gen_copy_bit_i32(cpu_sr, 0, REG(B11_8), 31);
+ tcg_gen_shli_i32(REG(B11_8), REG(B11_8), 1);
+ return;
+ case 0x4021: /* shar Rn */
+ gen_copy_bit_i32(cpu_sr, 0, REG(B11_8), 0);
+ tcg_gen_sari_i32(REG(B11_8), REG(B11_8), 1);
+ return;
+ case 0x4001: /* shlr Rn */
+ gen_copy_bit_i32(cpu_sr, 0, REG(B11_8), 0);
+ tcg_gen_shri_i32(REG(B11_8), REG(B11_8), 1);
+ return;
+ case 0x4008: /* shll2 Rn */
+ tcg_gen_shli_i32(REG(B11_8), REG(B11_8), 2);
+ return;
+ case 0x4018: /* shll8 Rn */
+ tcg_gen_shli_i32(REG(B11_8), REG(B11_8), 8);
+ return;
+ case 0x4028: /* shll16 Rn */
+ tcg_gen_shli_i32(REG(B11_8), REG(B11_8), 16);
+ return;
+ case 0x4009: /* shlr2 Rn */
+ tcg_gen_shri_i32(REG(B11_8), REG(B11_8), 2);
+ return;
+ case 0x4019: /* shlr8 Rn */
+ tcg_gen_shri_i32(REG(B11_8), REG(B11_8), 8);
+ return;
+ case 0x4029: /* shlr16 Rn */
+ tcg_gen_shri_i32(REG(B11_8), REG(B11_8), 16);
+ return;
+ case 0x401b: /* tas.b @Rn */
+ {
+ TCGv addr, val;
+ addr = tcg_temp_local_new(TCG_TYPE_I32);
+ tcg_gen_mov_i32(addr, REG(B11_8));
+ val = tcg_temp_local_new(TCG_TYPE_I32);
+ tcg_gen_qemu_ld8u(val, addr, ctx->memidx);
+ gen_cmp_imm(TCG_COND_EQ, val, 0);
+ tcg_gen_ori_i32(val, val, 0x80);
+ tcg_gen_qemu_st8(val, addr, ctx->memidx);
+ tcg_temp_free(val);
+ tcg_temp_free(addr);
+ }
+ return;
+ case 0xf00d: /* fsts FPUL,FRn - FPSCR: Nothing */
+ CHECK_FPU_ENABLED
+ tcg_gen_mov_i32(cpu_fregs[FREG(B11_8)], cpu_fpul);
+ return;
+ case 0xf01d: /* flds FRm,FPUL - FPSCR: Nothing */
+ CHECK_FPU_ENABLED
+ tcg_gen_mov_i32(cpu_fpul, cpu_fregs[FREG(B11_8)]);
+ return;
+ case 0xf02d: /* float FPUL,FRn/DRn - FPSCR: R[PR,Enable.I]/W[Cause,Flag] */
+ CHECK_FPU_ENABLED
+ if (ctx->fpscr & FPSCR_PR) {
+ TCGv_i64 fp;
+ if (ctx->opcode & 0x0100)
+ break; /* illegal instruction */
+ fp = tcg_temp_new_i64();
+ gen_helper_float_DT(fp, cpu_fpul);
+ gen_store_fpr64(fp, DREG(B11_8));
+ tcg_temp_free_i64(fp);
+ }
+ else {
+ gen_helper_float_FT(cpu_fregs[FREG(B11_8)], cpu_fpul);
+ }
+ return;
+ case 0xf03d: /* ftrc FRm/DRm,FPUL - FPSCR: R[PR,Enable.V]/W[Cause,Flag] */
+ CHECK_FPU_ENABLED
+ if (ctx->fpscr & FPSCR_PR) {
+ TCGv_i64 fp;
+ if (ctx->opcode & 0x0100)
+ break; /* illegal instruction */
+ fp = tcg_temp_new_i64();
+ gen_load_fpr64(fp, DREG(B11_8));
+ gen_helper_ftrc_DT(cpu_fpul, fp);
+ tcg_temp_free_i64(fp);
+ }
+ else {
+ gen_helper_ftrc_FT(cpu_fpul, cpu_fregs[FREG(B11_8)]);
+ }
+ return;
+ case 0xf04d: /* fneg FRn/DRn - FPSCR: Nothing */
+ CHECK_FPU_ENABLED
+ {
+ gen_helper_fneg_T(cpu_fregs[FREG(B11_8)], cpu_fregs[FREG(B11_8)]);
+ }
+ return;
+ case 0xf05d: /* fabs FRn/DRn */
+ CHECK_FPU_ENABLED
+ if (ctx->fpscr & FPSCR_PR) {
+ if (ctx->opcode & 0x0100)
+ break; /* illegal instruction */
+ TCGv_i64 fp = tcg_temp_new_i64();
+ gen_load_fpr64(fp, DREG(B11_8));
+ gen_helper_fabs_DT(fp, fp);
+ gen_store_fpr64(fp, DREG(B11_8));
+ tcg_temp_free_i64(fp);
+ } else {
+ gen_helper_fabs_FT(cpu_fregs[FREG(B11_8)], cpu_fregs[FREG(B11_8)]);
+ }
+ return;
+ case 0xf06d: /* fsqrt FRn */
+ CHECK_FPU_ENABLED
+ if (ctx->fpscr & FPSCR_PR) {
+ if (ctx->opcode & 0x0100)
+ break; /* illegal instruction */
+ TCGv_i64 fp = tcg_temp_new_i64();
+ gen_load_fpr64(fp, DREG(B11_8));
+ gen_helper_fsqrt_DT(fp, fp);
+ gen_store_fpr64(fp, DREG(B11_8));
+ tcg_temp_free_i64(fp);
+ } else {
+ gen_helper_fsqrt_FT(cpu_fregs[FREG(B11_8)], cpu_fregs[FREG(B11_8)]);
+ }
+ return;
+ case 0xf07d: /* fsrra FRn */
+ CHECK_FPU_ENABLED
+ break;
+ case 0xf08d: /* fldi0 FRn - FPSCR: R[PR] */
+ CHECK_FPU_ENABLED
+ if (!(ctx->fpscr & FPSCR_PR)) {
+ tcg_gen_movi_i32(cpu_fregs[FREG(B11_8)], 0);
+ }
+ return;
+ case 0xf09d: /* fldi1 FRn - FPSCR: R[PR] */
+ CHECK_FPU_ENABLED
+ if (!(ctx->fpscr & FPSCR_PR)) {
+ tcg_gen_movi_i32(cpu_fregs[FREG(B11_8)], 0x3f800000);
+ }
+ return;
+ case 0xf0ad: /* fcnvsd FPUL,DRn */
+ CHECK_FPU_ENABLED
+ {
+ TCGv_i64 fp = tcg_temp_new_i64();
+ gen_helper_fcnvsd_FT_DT(fp, cpu_fpul);
+ gen_store_fpr64(fp, DREG(B11_8));
+ tcg_temp_free_i64(fp);
+ }
+ return;
+ case 0xf0bd: /* fcnvds DRn,FPUL */
+ CHECK_FPU_ENABLED
+ {
+ TCGv_i64 fp = tcg_temp_new_i64();
+ gen_load_fpr64(fp, DREG(B11_8));
+ gen_helper_fcnvds_DT_FT(cpu_fpul, fp);
+ tcg_temp_free_i64(fp);
+ }
+ return;
+ }
+#if 0
+ fprintf(stderr, "unknown instruction 0x%04x at pc 0x%08x\n",
+ ctx->opcode, ctx->pc);
+ fflush(stderr);
+#endif
+ gen_helper_raise_illegal_instruction();
+ ctx->bstate = BS_EXCP;
+}
+
+static void decode_opc(DisasContext * ctx)
+{
+ uint32_t old_flags = ctx->flags;
+
+ _decode_opc(ctx);
+
+ if (old_flags & (DELAY_SLOT | DELAY_SLOT_CONDITIONAL)) {
+ if (ctx->flags & DELAY_SLOT_CLEARME) {
+ gen_store_flags(0);
+ } else {
+ /* go out of the delay slot */
+ uint32_t new_flags = ctx->flags;
+ new_flags &= ~(DELAY_SLOT | DELAY_SLOT_CONDITIONAL);
+ gen_store_flags(new_flags);
+ }
+ ctx->flags = 0;
+ ctx->bstate = BS_BRANCH;
+ if (old_flags & DELAY_SLOT_CONDITIONAL) {
+ gen_delayed_conditional_jump(ctx);
+ } else if (old_flags & DELAY_SLOT) {
+ gen_jump(ctx);
+ }
+
+ }
+
+ /* go into a delay slot */
+ if (ctx->flags & (DELAY_SLOT | DELAY_SLOT_CONDITIONAL))
+ gen_store_flags(ctx->flags);
+}
+
+static inline void
+gen_intermediate_code_internal(CPUState * env, TranslationBlock * tb,
+ int search_pc)
+{
+ DisasContext ctx;
+ target_ulong pc_start;
+ static uint16_t *gen_opc_end;
+ CPUBreakpoint *bp;
+ int i, ii;
+ int num_insns;
+ int max_insns;
+
+ pc_start = tb->pc;
+ gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
+ ctx.pc = pc_start;
+ ctx.flags = (uint32_t)tb->flags;
+ ctx.bstate = BS_NONE;
+ ctx.sr = env->sr;
+ ctx.fpscr = env->fpscr;
+ ctx.memidx = (env->sr & SR_MD) ? 1 : 0;
+ /* We don't know if the delayed pc came from a dynamic or static branch,
+ so assume it is a dynamic branch. */
+ ctx.delayed_pc = -1; /* use delayed pc from env pointer */
+ ctx.tb = tb;
+ ctx.singlestep_enabled = env->singlestep_enabled;
+ ctx.features = env->features;
+
+#ifdef DEBUG_DISAS
+ if (loglevel & CPU_LOG_TB_CPU) {
+ fprintf(logfile,
+ "------------------------------------------------\n");
+ cpu_dump_state(env, logfile, fprintf, 0);
+ }
+#endif
+
+ ii = -1;
+ num_insns = 0;
+ max_insns = tb->cflags & CF_COUNT_MASK;
+ if (max_insns == 0)
+ max_insns = CF_COUNT_MASK;
+ gen_icount_start();
+ while (ctx.bstate == BS_NONE && gen_opc_ptr < gen_opc_end) {
+ if (unlikely(!TAILQ_EMPTY(&env->breakpoints))) {
+ TAILQ_FOREACH(bp, &env->breakpoints, entry) {
+ if (ctx.pc == bp->pc) {
+ /* We have hit a breakpoint - make sure PC is up-to-date */
+ tcg_gen_movi_i32(cpu_pc, ctx.pc);
+ gen_helper_debug();
+ ctx.bstate = BS_EXCP;
+ break;
+ }
+ }
+ }
+ if (search_pc) {
+ i = gen_opc_ptr - gen_opc_buf;
+ if (ii < i) {
+ ii++;
+ while (ii < i)
+ gen_opc_instr_start[ii++] = 0;
+ }
+ gen_opc_pc[ii] = ctx.pc;
+ gen_opc_hflags[ii] = ctx.flags;
+ gen_opc_instr_start[ii] = 1;
+ gen_opc_icount[ii] = num_insns;
+ }
+ if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO))
+ gen_io_start();
+#if 0
+ fprintf(stderr, "Loading opcode at address 0x%08x\n", ctx.pc);
+ fflush(stderr);
+#endif
+ ctx.opcode = lduw_code(ctx.pc);
+ decode_opc(&ctx);
+ num_insns++;
+ ctx.pc += 2;
+ if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0)
+ break;
+ if (env->singlestep_enabled)
+ break;
+ if (num_insns >= max_insns)
+ break;
+#ifdef SH4_SINGLE_STEP
+ break;
+#endif
+ }
+ if (tb->cflags & CF_LAST_IO)
+ gen_io_end();
+ if (env->singlestep_enabled) {
+ tcg_gen_movi_i32(cpu_pc, ctx.pc);
+ gen_helper_debug();
+ } else {
+ switch (ctx.bstate) {
+ case BS_STOP:
+ /* gen_op_interrupt_restart(); */
+ /* fall through */
+ case BS_NONE:
+ if (ctx.flags) {
+ gen_store_flags(ctx.flags | DELAY_SLOT_CLEARME);
+ }
+ gen_goto_tb(&ctx, 0, ctx.pc);
+ break;
+ case BS_EXCP:
+ /* gen_op_interrupt_restart(); */
+ tcg_gen_exit_tb(0);
+ break;
+ case BS_BRANCH:
+ default:
+ break;
+ }
+ }
+
+ gen_icount_end(tb, num_insns);
+ *gen_opc_ptr = INDEX_op_end;
+ if (search_pc) {
+ i = gen_opc_ptr - gen_opc_buf;
+ ii++;
+ while (ii <= i)
+ gen_opc_instr_start[ii++] = 0;
+ } else {
+ tb->size = ctx.pc - pc_start;
+ tb->icount = num_insns;
+ }
+
+#ifdef DEBUG_DISAS
+#ifdef SH4_DEBUG_DISAS
+ if (loglevel & CPU_LOG_TB_IN_ASM)
+ fprintf(logfile, "\n");
+#endif
+ if (loglevel & CPU_LOG_TB_IN_ASM) {
+ fprintf(logfile, "IN:\n"); /* , lookup_symbol(pc_start)); */
+ target_disas(logfile, pc_start, ctx.pc - pc_start, 0);
+ 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->pc = gen_opc_pc[pc_pos];
+ env->flags = gen_opc_hflags[pc_pos];
+}