#define DISAS_JUMP DISAS_TARGET_0 /* only pc was modified dynamically */
#define DISAS_EXIT DISAS_TARGET_1 /* all cpu state modified dynamically */
+/* cpu state besides pc was modified dynamically; update pc to next */
+#define DISAS_EXIT_NEXT DISAS_TARGET_2
+/* cpu state besides pc was modified dynamically; update pc to btarget */
+#define DISAS_EXIT_JUMP DISAS_TARGET_3
+
static TCGv_i32 cpu_R[32];
static TCGv_i32 cpu_pc;
static TCGv_i32 cpu_msr;
/* Force an exit if the per-tb cpu state has changed. */
if (dc->base.is_jmp == DISAS_NEXT && dc->cpustate_changed) {
- dc->base.is_jmp = DISAS_EXIT;
- tcg_gen_movi_i32(cpu_pc, dc->base.pc_next);
+ dc->base.is_jmp = DISAS_EXIT_NEXT;
}
}
return;
case DISAS_EXIT:
- if (unlikely(cs->singlestep_enabled)) {
- gen_raise_exception(dc, EXCP_DEBUG);
- } else {
- tcg_gen_exit_tb(NULL, 0);
- }
- return;
+ break;
+ case DISAS_EXIT_NEXT:
+ tcg_gen_movi_i32(cpu_pc, dc->base.pc_next);
+ break;
+ case DISAS_EXIT_JUMP:
+ tcg_gen_mov_i32(cpu_pc, cpu_btarget);
+ tcg_gen_discard_i32(cpu_btarget);
+ break;
case DISAS_JUMP:
if (dc->jmp_dest != -1 && !cs->singlestep_enabled) {
default:
g_assert_not_reached();
}
+
+ /* Finish DISAS_EXIT_* */
+ if (unlikely(cs->singlestep_enabled)) {
+ gen_raise_exception(dc, EXCP_DEBUG);
+ } else {
+ tcg_gen_exit_tb(NULL, 0);
+ }
}
static void mb_tr_disas_log(const DisasContextBase *dcb, CPUState *cs)