@@ -200,7 +200,7 @@ static inline tcg_target_ulong cpu_tb_exec(CPUState *cpu, uint8_t *tb_ptr)
/* Execute the code without caching the generated code. An interpreter
could be used if available. */
static void cpu_exec_nocache(CPUArchState *env, int max_cycles,
- TranslationBlock *orig_tb)
+ TranslationBlock *orig_tb, bool ignore_icount)
{
CPUState *cpu = ENV_GET_CPU(env);
TranslationBlock *tb;
@@ -216,7 +216,7 @@ static void cpu_exec_nocache(CPUArchState *env, int max_cycles,
/* tb_gen_code can flush our orig_tb, invalidate it now */
tb_phys_invalidate(orig_tb, -1);
tb = tb_gen_code(cpu, pc, cs_base, flags,
- max_cycles);
+ max_cycles | (ignore_icount ? CF_IGNORE_ICOUNT : 0));
cpu->current_tb = tb;
/* execute the generated code */
trace_exec_tb_nocache(tb, tb->pc);
@@ -525,7 +525,7 @@ int cpu_exec(CPUArchState *env)
} else {
if (insns_left > 0) {
/* Execute remaining instructions. */
- cpu_exec_nocache(env, insns_left, tb);
+ cpu_exec_nocache(env, insns_left, tb, false);
align_clocks(&sc, cpu);
}
cpu->exception_index = EXCP_INTERRUPT;
@@ -147,6 +147,7 @@ struct TranslationBlock {
#define CF_COUNT_MASK 0x7fff
#define CF_LAST_IO 0x8000 /* Last insn may be an IO access. */
#define CF_USE_ICOUNT 0x10000
+#define CF_IGNORE_ICOUNT 0x20000 /* Do not generate icount code */
void *tc_ptr; /* pointer to the translated code */
/* next matching tb for physical address. */
@@ -1047,7 +1047,7 @@ TranslationBlock *tb_gen_code(CPUState *cpu,
int code_gen_size;
phys_pc = get_page_addr_code(env, pc);
- if (use_icount) {
+ if (use_icount && !(cflags & CF_IGNORE_ICOUNT)) {
cflags |= CF_USE_ICOUNT;
}
tb = tb_alloc(pc);