diff mbox series

[27/77] target/microblaze: Check singlestep_enabled in gen_goto_tb

Message ID 20200825205950.730499-28-richard.henderson@linaro.org
State Superseded
Headers show
Series target/microblaze improvements | expand

Commit Message

Richard Henderson Aug. 25, 2020, 8:59 p.m. UTC 
Do not use goto_tb if we're single-stepping.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

---
 target/microblaze/translate.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

-- 
2.25.1
diff mbox series

Patch

diff --git a/target/microblaze/translate.c b/target/microblaze/translate.c
index 53ca0bfb38..7d5b96c38b 100644
--- a/target/microblaze/translate.c
+++ b/target/microblaze/translate.c
@@ -140,7 +140,12 @@  static inline bool use_goto_tb(DisasContext *dc, target_ulong dest)
 
 static void gen_goto_tb(DisasContext *dc, int n, target_ulong dest)
 {
-    if (use_goto_tb(dc, dest)) {
+    if (dc->singlestep_enabled) {
+        TCGv_i32 tmp = tcg_const_i32(EXCP_DEBUG);
+        tcg_gen_movi_i64(cpu_SR[SR_PC], dest);
+        gen_helper_raise_exception(cpu_env, tmp);
+        tcg_temp_free_i32(tmp);
+    } else if (use_goto_tb(dc, dest)) {
         tcg_gen_goto_tb(n);
         tcg_gen_movi_i32(cpu_pc, dest);
         tcg_gen_exit_tb(dc->tb, n);