diff options
Diffstat (limited to 'accel/tcg/translate-all.c')
| -rw-r--r-- | accel/tcg/translate-all.c | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c index f6ad46b..93fb923 100644 --- a/accel/tcg/translate-all.c +++ b/accel/tcg/translate-all.c @@ -928,11 +928,7 @@ static void do_tb_flush(CPUState *cpu, run_on_cpu_data tb_flush_count) } CPU_FOREACH(cpu) { - int i; - - for (i = 0; i < TB_JMP_CACHE_SIZE; ++i) { - atomic_set(&cpu->tb_jmp_cache[i], NULL); - } + cpu_tb_jmp_cache_clear(cpu); } tcg_ctx.tb_ctx.nb_tbs = 0; @@ -1813,19 +1809,21 @@ void cpu_io_recompile(CPUState *cpu, uintptr_t retaddr) cpu_loop_exit_noexc(cpu); } -void tb_flush_jmp_cache(CPUState *cpu, target_ulong addr) +static void tb_jmp_cache_clear_page(CPUState *cpu, target_ulong page_addr) { - unsigned int i; + unsigned int i, i0 = tb_jmp_cache_hash_page(page_addr); + for (i = 0; i < TB_JMP_PAGE_SIZE; i++) { + atomic_set(&cpu->tb_jmp_cache[i0 + i], NULL); + } +} + +void tb_flush_jmp_cache(CPUState *cpu, target_ulong addr) +{ /* Discard jump cache entries for any tb which might potentially overlap the flushed page. */ - i = tb_jmp_cache_hash_page(addr - TARGET_PAGE_SIZE); - memset(&cpu->tb_jmp_cache[i], 0, - TB_JMP_PAGE_SIZE * sizeof(TranslationBlock *)); - - i = tb_jmp_cache_hash_page(addr); - memset(&cpu->tb_jmp_cache[i], 0, - TB_JMP_PAGE_SIZE * sizeof(TranslationBlock *)); + tb_jmp_cache_clear_page(cpu, addr - TARGET_PAGE_SIZE); + tb_jmp_cache_clear_page(cpu, addr); } static void print_qht_statistics(FILE *f, fprintf_function cpu_fprintf, |