GDB single-stepping is now handled generically.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/tricore/helper.h    |  1 -
 target/tricore/op_helper.c |  7 -------
 target/tricore/translate.c | 14 +-------------
 3 files changed, 1 insertion(+), 21 deletions(-)

diff --git a/target/tricore/helper.h b/target/tricore/helper.h
index 78176aa17a..b64780c37d 100644
--- a/target/tricore/helper.h
+++ b/target/tricore/helper.h
@@ -153,4 +153,3 @@ DEF_HELPER_2(psw_write, void, env, i32)
 DEF_HELPER_1(psw_read, i32, env)
 /* Exceptions */
 DEF_HELPER_3(raise_exception_sync, noreturn, env, i32, i32)
-DEF_HELPER_2(qemu_excp, noreturn, env, i32)
diff --git a/target/tricore/op_helper.c b/target/tricore/op_helper.c
index 32c2bc1699..9476d10d00 100644
--- a/target/tricore/op_helper.c
+++ b/target/tricore/op_helper.c
@@ -107,13 +107,6 @@ static void raise_exception_sync_helper(CPUTriCoreState *env, uint32_t class,
     raise_exception_sync_internal(env, class, tin, pc, 0);
 }
 
-void helper_qemu_excp(CPUTriCoreState *env, uint32_t excp)
-{
-    CPUState *cs = env_cpu(env);
-    cs->exception_index = excp;
-    cpu_loop_exit(cs);
-}
-
 /* Addressing mode helper */
 
 static uint16_t reverse16(uint16_t val)
diff --git a/target/tricore/translate.c b/target/tricore/translate.c
index a0cc0f1cb3..07084407cb 100644
--- a/target/tricore/translate.c
+++ b/target/tricore/translate.c
@@ -3225,14 +3225,6 @@ static inline void gen_save_pc(target_ulong pc)
     tcg_gen_movi_tl(cpu_PC, pc);
 }
 
-static void generate_qemu_excp(DisasContext *ctx, int excp)
-{
-    TCGv_i32 tmp = tcg_const_i32(excp);
-    gen_helper_qemu_excp(cpu_env, tmp);
-    ctx->base.is_jmp = DISAS_NORETURN;
-    tcg_temp_free(tmp);
-}
-
 static void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
 {
     if (translator_use_goto_tb(&ctx->base, dest)) {
@@ -3241,11 +3233,7 @@ static void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
         tcg_gen_exit_tb(ctx->base.tb, n);
     } else {
         gen_save_pc(dest);
-        if (ctx->base.singlestep_enabled) {
-            generate_qemu_excp(ctx, EXCP_DEBUG);
-        } else {
-            tcg_gen_lookup_and_goto_ptr();
-        }
+        tcg_gen_lookup_and_goto_ptr();
     }
 }
 
-- 
2.25.1

On 10/12/21 18:21, Richard Henderson wrote:
> GDB single-stepping is now handled generically.
> 
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>  target/tricore/helper.h    |  1 -
>  target/tricore/op_helper.c |  7 -------
>  target/tricore/translate.c | 14 +-------------
>  3 files changed, 1 insertion(+), 21 deletions(-)

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>