diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/exec/gen-icount.h | 12 | ||||
| -rw-r--r-- | include/qom/cpu.h | 11 |
2 files changed, 17 insertions, 6 deletions
diff --git a/include/exec/gen-icount.h b/include/exec/gen-icount.h index 62d462e494..9b3cb14dfa 100644 --- a/include/exec/gen-icount.h +++ b/include/exec/gen-icount.h @@ -19,7 +19,7 @@ static inline void gen_tb_start(TranslationBlock *tb) count = tcg_temp_new_i32(); } - tcg_gen_ld_i32(count, cpu_env, + tcg_gen_ld_i32(count, tcg_ctx.tcg_env, -ENV_OFFSET + offsetof(CPUState, icount_decr.u32)); if (tb->cflags & CF_USE_ICOUNT) { @@ -37,14 +37,14 @@ static inline void gen_tb_start(TranslationBlock *tb) tcg_gen_brcondi_i32(TCG_COND_LT, count, 0, exitreq_label); if (tb->cflags & CF_USE_ICOUNT) { - tcg_gen_st16_i32(count, cpu_env, + tcg_gen_st16_i32(count, tcg_ctx.tcg_env, -ENV_OFFSET + offsetof(CPUState, icount_decr.u16.low)); } tcg_temp_free_i32(count); } -static void gen_tb_end(TranslationBlock *tb, int num_insns) +static inline void gen_tb_end(TranslationBlock *tb, int num_insns) { if (tb->cflags & CF_USE_ICOUNT) { /* Update the num_insn immediate parameter now that we know @@ -62,14 +62,16 @@ static void gen_tb_end(TranslationBlock *tb, int num_insns) static inline void gen_io_start(void) { TCGv_i32 tmp = tcg_const_i32(1); - tcg_gen_st_i32(tmp, cpu_env, -ENV_OFFSET + offsetof(CPUState, can_do_io)); + tcg_gen_st_i32(tmp, tcg_ctx.tcg_env, + -ENV_OFFSET + offsetof(CPUState, can_do_io)); tcg_temp_free_i32(tmp); } static inline void gen_io_end(void) { TCGv_i32 tmp = tcg_const_i32(0); - tcg_gen_st_i32(tmp, cpu_env, -ENV_OFFSET + offsetof(CPUState, can_do_io)); + tcg_gen_st_i32(tmp, tcg_ctx.tcg_env, + -ENV_OFFSET + offsetof(CPUState, can_do_io)); tcg_temp_free_i32(tmp); } diff --git a/include/qom/cpu.h b/include/qom/cpu.h index 89ddb686fb..2fe7cff9fe 100644 --- a/include/qom/cpu.h +++ b/include/qom/cpu.h @@ -346,7 +346,7 @@ struct CPUState { void *env_ptr; /* CPUArchState */ - /* Writes protected by tb_lock, reads not thread-safe */ + /* Accessed in parallel; all accesses must be atomic */ struct TranslationBlock *tb_jmp_cache[TB_JMP_CACHE_SIZE]; struct GDBRegisterState *gdb_regs; @@ -422,6 +422,15 @@ extern struct CPUTailQ cpus; extern __thread CPUState *current_cpu; +static inline void cpu_tb_jmp_cache_clear(CPUState *cpu) +{ + unsigned int i; + + for (i = 0; i < TB_JMP_CACHE_SIZE; i++) { + atomic_set(&cpu->tb_jmp_cache[i], NULL); + } +} + /** * qemu_tcg_mttcg_enabled: * Check whether we are running MultiThread TCG or not. |