@@ -240,7 +240,7 @@ 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(CPUState *cpu, int max_cycles,
- TranslationBlock *orig_tb)
+ TranslationBlock *orig_tb, bool ignore_icount)
{
TranslationBlock *tb;
@@ -250,7 +250,8 @@ static void cpu_exec_nocache(CPUState *cpu, int max_cycles,
max_cycles = CF_COUNT_MASK;
tb = tb_gen_code(cpu, orig_tb->pc, orig_tb->cs_base, orig_tb->flags,
- max_cycles | CF_NOCACHE);
+ max_cycles | CF_NOCACHE
+ | (ignore_icount ? CF_IGNORE_ICOUNT : 0));
tb->orig_tb = tcg_ctx.tb_ctx.tb_invalidated_flag ? NULL : orig_tb;
cpu->current_tb = tb;
/* execute the generated code */
@@ -555,7 +556,7 @@ int cpu_exec(CPUState *cpu)
if (insns_left > 0) {
/* Execute remaining instructions. */
tb = (TranslationBlock *)(next_tb & ~TB_EXIT_MASK);
- cpu_exec_nocache(cpu, insns_left, tb);
+ cpu_exec_nocache(cpu, insns_left, tb, false);
align_clocks(&sc, cpu);
}
cpu->exception_index = EXCP_INTERRUPT;
@@ -199,6 +199,7 @@ struct TranslationBlock {
#define CF_LAST_IO 0x8000 /* Last insn may be an IO access. */
#define CF_NOCACHE 0x10000 /* To be freed after execution */
#define CF_USE_ICOUNT 0x20000
+#define CF_IGNORE_ICOUNT 0x40000 /* Do not generate icount code */
void *tc_ptr; /* pointer to the translated code */
/* next matching tb for physical address. */
@@ -1007,7 +1007,7 @@ 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);