symbian-qemu-0.9.1-12/qemu-symbian-svp/target-mips/exec.h
author Mike Kinghan <mikek@symbian.org>
Mon, 01 Nov 2010 10:36:09 +0000
branchGCC_SURGE
changeset 127 c0501b51f2b9
parent 1 2fb8b9db1c86
permissions -rw-r--r--
Fix for Bug 3898 - [GCCE] Name sf/adapation -> sf/adapt breaks syborg buiild
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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#if !defined(__QEMU_MIPS_EXEC_H__)
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#define __QEMU_MIPS_EXEC_H__
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//#define DEBUG_OP
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#include "config.h"
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#include "mips-defs.h"
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#include "dyngen-exec.h"
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#include "cpu-defs.h"
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register struct CPUMIPSState *env asm(AREG0);
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#include "cpu.h"
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#include "exec-all.h"
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#if !defined(CONFIG_USER_ONLY)
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#include "softmmu_exec.h"
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#endif /* !defined(CONFIG_USER_ONLY) */
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void do_mtc0_status_debug(uint32_t old, uint32_t val);
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void do_mtc0_status_irqraise_debug(void);
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void dump_fpu(CPUState *env);
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void fpu_dump_state(CPUState *env, FILE *f,
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                    int (*fpu_fprintf)(FILE *f, const char *fmt, ...),
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                    int flags);
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void cpu_mips_clock_init (CPUState *env);
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void cpu_mips_tlb_flush (CPUState *env, int flush_global);
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static inline void env_to_regs(void)
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{
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}
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static inline void regs_to_env(void)
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{
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}
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static inline int cpu_halted(CPUState *env)
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{
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    if (!env->halted)
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        return 0;
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    if (env->interrupt_request &
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        (CPU_INTERRUPT_HARD | CPU_INTERRUPT_TIMER)) {
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        env->halted = 0;
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        return 0;
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    }
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    return EXCP_HALTED;
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}
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static inline void compute_hflags(CPUState *env)
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{
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    env->hflags &= ~(MIPS_HFLAG_COP1X | MIPS_HFLAG_64 | MIPS_HFLAG_CP0 |
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                     MIPS_HFLAG_F64 | MIPS_HFLAG_FPU | MIPS_HFLAG_KSU |
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                     MIPS_HFLAG_UX);
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    if (!(env->CP0_Status & (1 << CP0St_EXL)) &&
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        !(env->CP0_Status & (1 << CP0St_ERL)) &&
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        !(env->hflags & MIPS_HFLAG_DM)) {
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        env->hflags |= (env->CP0_Status >> CP0St_KSU) & MIPS_HFLAG_KSU;
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    }
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#if defined(TARGET_MIPS64)
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    if (((env->hflags & MIPS_HFLAG_KSU) != MIPS_HFLAG_UM) ||
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        (env->CP0_Status & (1 << CP0St_PX)) ||
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        (env->CP0_Status & (1 << CP0St_UX)))
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        env->hflags |= MIPS_HFLAG_64;
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    if (env->CP0_Status & (1 << CP0St_UX))
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        env->hflags |= MIPS_HFLAG_UX;
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#endif
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    if ((env->CP0_Status & (1 << CP0St_CU0)) ||
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        !(env->hflags & MIPS_HFLAG_KSU))
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        env->hflags |= MIPS_HFLAG_CP0;
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    if (env->CP0_Status & (1 << CP0St_CU1))
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        env->hflags |= MIPS_HFLAG_FPU;
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    if (env->CP0_Status & (1 << CP0St_FR))
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        env->hflags |= MIPS_HFLAG_F64;
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    if (env->insn_flags & ISA_MIPS32R2) {
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        if (env->active_fpu.fcr0 & (1 << FCR0_F64))
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            env->hflags |= MIPS_HFLAG_COP1X;
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    } else if (env->insn_flags & ISA_MIPS32) {
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        if (env->hflags & MIPS_HFLAG_64)
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            env->hflags |= MIPS_HFLAG_COP1X;
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    } else if (env->insn_flags & ISA_MIPS4) {
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        /* All supported MIPS IV CPUs use the XX (CU3) to enable
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           and disable the MIPS IV extensions to the MIPS III ISA.
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           Some other MIPS IV CPUs ignore the bit, so the check here
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           would be too restrictive for them.  */
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        if (env->CP0_Status & (1 << CP0St_CU3))
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            env->hflags |= MIPS_HFLAG_COP1X;
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    }
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}
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#endif /* !defined(__QEMU_MIPS_EXEC_H__) */