diff options
Diffstat (limited to 'include/exec/gen-icount.h')
| -rw-r--r-- | include/exec/gen-icount.h | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/include/exec/gen-icount.h b/include/exec/gen-icount.h index 8043b3ba26..4e3b17b083 100644 --- a/include/exec/gen-icount.h +++ b/include/exec/gen-icount.h @@ -7,10 +7,19 @@ static TCGArg *icount_arg; static int icount_label; +static int exitreq_label; -static inline void gen_icount_start(void) +static inline void gen_tb_start(void) { TCGv_i32 count; + TCGv_i32 flag; + + exitreq_label = gen_new_label(); + flag = tcg_temp_local_new_i32(); + tcg_gen_ld_i32(flag, cpu_env, + offsetof(CPUState, tcg_exit_req) - ENV_OFFSET); + tcg_gen_brcondi_i32(TCG_COND_NE, flag, 0, exitreq_label); + tcg_temp_free_i32(flag); if (!use_icount) return; @@ -27,12 +36,15 @@ static inline void gen_icount_start(void) tcg_temp_free_i32(count); } -static void gen_icount_end(TranslationBlock *tb, int num_insns) +static void gen_tb_end(TranslationBlock *tb, int num_insns) { + gen_set_label(exitreq_label); + tcg_gen_exit_tb((tcg_target_long)tb + TB_EXIT_REQUESTED); + if (use_icount) { *icount_arg = num_insns; gen_set_label(icount_label); - tcg_gen_exit_tb((tcg_target_long)tb + 2); + tcg_gen_exit_tb((tcg_target_long)tb + TB_EXIT_ICOUNT_EXPIRED); } } |