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[PATCH v2 27/76] target/microblaze: Check singlestep_enabled in gen_goto
From: |
Richard Henderson |
Subject: |
[PATCH v2 27/76] target/microblaze: Check singlestep_enabled in gen_goto_tb |
Date: |
Fri, 28 Aug 2020 07:18:40 -0700 |
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(-)
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);
--
2.25.1
- [PATCH v2 18/76] target/microblaze: Fix width of EDR, (continued)
- [PATCH v2 18/76] target/microblaze: Fix width of EDR, Richard Henderson, 2020/08/28
- [PATCH v2 19/76] target/microblaze: Remove cpu_ear, Richard Henderson, 2020/08/28
- [PATCH v2 20/76] target/microblaze: Tidy raising of exceptions, Richard Henderson, 2020/08/28
- [PATCH v2 21/76] target/microblaze: Mark raise_exception as noreturn, Richard Henderson, 2020/08/28
- [PATCH v2 22/76] target/microblaze: Remove helper_debug and env->debug, Richard Henderson, 2020/08/28
- [PATCH v2 24/76] target/microblaze: Tidy mb_tcg_init, Richard Henderson, 2020/08/28
- [PATCH v2 23/76] target/microblaze: Rename env_* tcg variables to cpu_*, Richard Henderson, 2020/08/28
- [PATCH v2 26/76] target/microblaze: Use DISAS_NORETURN, Richard Henderson, 2020/08/28
- [PATCH v2 25/76] target/microblaze: Split out MSR[C] to its own variable, Richard Henderson, 2020/08/28
- [PATCH v2 27/76] target/microblaze: Check singlestep_enabled in gen_goto_tb,
Richard Henderson <=
- [PATCH v2 29/76] target/microblaze: Convert to translator_loop, Richard Henderson, 2020/08/28
- [PATCH v2 30/76] target/microblaze: Remove SIM_COMPAT, Richard Henderson, 2020/08/28
- [PATCH v2 28/76] target/microblaze: Convert to DisasContextBase, Richard Henderson, 2020/08/28
- [PATCH v2 31/76] target/microblaze: Remove DISAS_GNU, Richard Henderson, 2020/08/28
- [PATCH v2 33/76] target/microblaze: Remove LOG_DIS, Richard Henderson, 2020/08/28
- [PATCH v2 32/76] target/microblaze: Remove empty D macros, Richard Henderson, 2020/08/28
- [PATCH v2 35/76] target/microblaze: Add decodetree infrastructure, Richard Henderson, 2020/08/28