From 6c5f738daec123020d32543fe90a6633a4f6643e Mon Sep 17 00:00:00 2001
From: "Edgar E. Iglesias" <edgar.iglesias@petalogix.com>
Date: Thu, 10 Feb 2011 00:46:09 +0100
Subject: [PATCH] microblaze: Handle singlestepping over direct jmps
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@petalogix.com>
---
target-microblaze/translate.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/target-microblaze/translate.c b/target-microblaze/translate.c
index 220743195c..fdb2b40df9 100644
--- a/target-microblaze/translate.c
+++ b/target-microblaze/translate.c
@@ -1715,9 +1715,13 @@ gen_intermediate_code_internal(CPUState *env, TranslationBlock *tb,
t_sync_flags(dc);
if (unlikely(env->singlestep_enabled)) {
- t_gen_raise_exception(dc, EXCP_DEBUG);
- if (dc->is_jmp == DISAS_NEXT)
+ TCGv_i32 tmp = tcg_const_i32(EXCP_DEBUG);
+
+ if (dc->is_jmp != DISAS_JUMP) {
tcg_gen_movi_tl(cpu_SR[SR_PC], npc);
+ }
+ gen_helper_raise_exception(tmp);
+ tcg_temp_free_i32(tmp);
} else {
switch(dc->is_jmp) {
case DISAS_NEXT: