Translate through gen_helper_raise_excp with restore 1 after
storing PC. Drop TCG raise_exception. Keep C do_raise_exception
and use cpu_loop_exit_excp.

Signed-off-by: Yonggang Luo <[email protected]>
---
 target/loongarch/tcg/helper.h    | 2 --
 target/loongarch/tcg/op_helper.c | 6 ------
 target/loongarch/tcg/tcg_cpu.c   | 4 +---
 target/loongarch/tcg/translate.c | 3 ++-
 4 files changed, 3 insertions(+), 12 deletions(-)

diff --git a/target/loongarch/tcg/helper.h b/target/loongarch/tcg/helper.h
index e76c73c7755..e3a7bc9e9da 100644
--- a/target/loongarch/tcg/helper.h
+++ b/target/loongarch/tcg/helper.h
@@ -3,8 +3,6 @@
  * Copyright (c) 2021 Loongson Technology Corporation Limited
  */
 
-DEF_HELPER_2(raise_exception, noreturn, env, i32)
-
 DEF_HELPER_FLAGS_3(asrtle_d, TCG_CALL_NO_WG, void, env, tl, tl)
 DEF_HELPER_FLAGS_3(asrtgt_d, TCG_CALL_NO_WG, void, env, tl, tl)
 
diff --git a/target/loongarch/tcg/op_helper.c b/target/loongarch/tcg/op_helper.c
index f41f0cb1e6e..36719617b85 100644
--- a/target/loongarch/tcg/op_helper.c
+++ b/target/loongarch/tcg/op_helper.c
@@ -16,12 +16,6 @@
 #include <zlib.h> /* for crc32 */
 #include "cpu-csr.h"
 
-/* Exceptions helpers */
-void helper_raise_exception(CPULoongArchState *env, uint32_t exception)
-{
-    do_raise_exception(env, exception, GETPC());
-}
-
 /* loongarch assert op */
 void helper_asrtle_d(CPULoongArchState *env, target_ulong rj, target_ulong rk)
 {
diff --git a/target/loongarch/tcg/tcg_cpu.c b/target/loongarch/tcg/tcg_cpu.c
index 4b1d44a1644..56ef0d912cc 100644
--- a/target/loongarch/tcg/tcg_cpu.c
+++ b/target/loongarch/tcg/tcg_cpu.c
@@ -69,9 +69,7 @@ void G_NORETURN do_raise_exception(CPULoongArchState *env,
                   __func__,
                   exception,
                   loongarch_exception_name(exception));
-    cs->exception_index = exception;
-
-    cpu_loop_exit_restore(cs, pc);
+    cpu_loop_exit_excp(cs, exception, pc);
 }
 
 #ifndef CONFIG_USER_ONLY
diff --git a/target/loongarch/tcg/translate.c b/target/loongarch/tcg/translate.c
index 124dce62695..ddadfb84285 100644
--- a/target/loongarch/tcg/translate.c
+++ b/target/loongarch/tcg/translate.c
@@ -95,7 +95,8 @@ static void gen_nanbox_s(TCGv_i64 out, TCGv_i64 in)
 void generate_exception(DisasContext *ctx, int excp)
 {
     tcg_gen_movi_tl(cpu_pc, ctx->base.pc_next);
-    gen_helper_raise_exception(tcg_env, tcg_constant_i32(excp));
+    gen_helper_raise_excp(tcg_env, tcg_constant_i32(excp),
+                          tcg_constant_i32(1));
     ctx->base.is_jmp = DISAS_NORETURN;
 }
 
-- 
2.52.0.windows.1


Reply via email to