diff options
Diffstat (limited to 'target-alpha/helper.c')
-rw-r--r-- | target-alpha/helper.c | 63 |
1 files changed, 26 insertions, 37 deletions
diff --git a/target-alpha/helper.c b/target-alpha/helper.c index 46b8ef9141..5a85335838 100644 --- a/target-alpha/helper.c +++ b/target-alpha/helper.c @@ -79,6 +79,30 @@ void helper_store_fpcr(CPUAlphaState *env, uint64_t val) cpu_alpha_store_fpcr(env, val); } +static uint64_t *cpu_alpha_addr_gr(CPUAlphaState *env, unsigned reg) +{ +#ifndef CONFIG_USER_ONLY + if (env->pal_mode) { + if (reg >= 8 && reg <= 14) { + return &env->shadow[reg - 8]; + } else if (reg == 25) { + return &env->shadow[7]; + } + } +#endif + return &env->ir[reg]; +} + +uint64_t cpu_alpha_load_gr(CPUAlphaState *env, unsigned reg) +{ + return *cpu_alpha_addr_gr(env, reg); +} + +void cpu_alpha_store_gr(CPUAlphaState *env, unsigned reg, uint64_t val) +{ + *cpu_alpha_addr_gr(env, reg) = val; +} + #if defined(CONFIG_USER_ONLY) int alpha_cpu_handle_mmu_fault(CPUState *cs, vaddr address, int rw, int mmu_idx) @@ -90,38 +114,6 @@ int alpha_cpu_handle_mmu_fault(CPUState *cs, vaddr address, return 1; } #else -void swap_shadow_regs(CPUAlphaState *env) -{ - uint64_t i0, i1, i2, i3, i4, i5, i6, i7; - - i0 = env->ir[8]; - i1 = env->ir[9]; - i2 = env->ir[10]; - i3 = env->ir[11]; - i4 = env->ir[12]; - i5 = env->ir[13]; - i6 = env->ir[14]; - i7 = env->ir[25]; - - env->ir[8] = env->shadow[0]; - env->ir[9] = env->shadow[1]; - env->ir[10] = env->shadow[2]; - env->ir[11] = env->shadow[3]; - env->ir[12] = env->shadow[4]; - env->ir[13] = env->shadow[5]; - env->ir[14] = env->shadow[6]; - env->ir[25] = env->shadow[7]; - - env->shadow[0] = i0; - env->shadow[1] = i1; - env->shadow[2] = i2; - env->shadow[3] = i3; - env->shadow[4] = i4; - env->shadow[5] = i5; - env->shadow[6] = i6; - env->shadow[7] = i7; -} - /* Returns the OSF/1 entMM failure indication, or -1 on success. */ static int get_physical_address(CPUAlphaState *env, target_ulong addr, int prot_need, int mmu_idx, @@ -375,10 +367,7 @@ void alpha_cpu_do_interrupt(CPUState *cs) env->pc = env->palbr + i; /* Switch to PALmode. */ - if (!env->pal_mode) { - env->pal_mode = 1; - swap_shadow_regs(env); - } + env->pal_mode = 1; #endif /* !USER_ONLY */ } @@ -443,7 +432,7 @@ void alpha_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf, env->pc, env->ps); for (i = 0; i < 31; i++) { cpu_fprintf(f, "IR%02d %s " TARGET_FMT_lx " ", i, - linux_reg_names[i], env->ir[i]); + linux_reg_names[i], cpu_alpha_load_gr(env, i)); if ((i % 3) == 2) cpu_fprintf(f, "\n"); } |