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authorRichard Henderson <richard.henderson@linaro.org>2021-06-19 20:24:37 -0700
committerRichard Henderson <richard.henderson@linaro.org>2021-06-29 10:04:56 -0700
commit1dd09c47f69be6e9dbdf18248730b2e20d72d1ef (patch)
tree94eeb0c9467783ed3701c883692a87482d0f34ad /target/cris
parenta67f11b1d9fe29a2e2f66b74d032fbe832b9131e (diff)
target/cris: Mark exceptions as DISAS_NORETURN
After we've raised the exception, we have left the TB. Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/cris')
-rw-r--r--target/cris/translate.c5
-rw-r--r--target/cris/translate_v10.c.inc3
2 files changed, 5 insertions, 3 deletions
diff --git a/target/cris/translate.c b/target/cris/translate.c
index e086ff9131..24dbae6d58 100644
--- a/target/cris/translate.c
+++ b/target/cris/translate.c
@@ -2873,6 +2873,7 @@ static int dec_rfe_etc(CPUCRISState *env, DisasContext *dc)
-offsetof(CRISCPU, env) + offsetof(CPUState, halted));
tcg_gen_movi_tl(env_pc, dc->pc + 2);
t_gen_raise_exception(EXCP_HLT);
+ dc->base.is_jmp = DISAS_NORETURN;
return 2;
}
@@ -2900,7 +2901,7 @@ static int dec_rfe_etc(CPUCRISState *env, DisasContext *dc)
/* Breaks start at 16 in the exception vector. */
t_gen_movi_env_TN(trap_vector, dc->op1 + 16);
t_gen_raise_exception(EXCP_BREAK);
- dc->base.is_jmp = DISAS_UPDATE;
+ dc->base.is_jmp = DISAS_NORETURN;
break;
default:
printf("op2=%x\n", dc->op2);
@@ -3188,7 +3189,7 @@ void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns)
cris_evaluate_flags(dc);
tcg_gen_movi_tl(env_pc, dc->pc);
t_gen_raise_exception(EXCP_DEBUG);
- dc->base.is_jmp = DISAS_UPDATE;
+ dc->base.is_jmp = DISAS_NORETURN;
/* The address covered by the breakpoint must be included in
[tb->pc, tb->pc + tb->size) in order to for it to be
properly cleared -- thus we increment the PC here so that
diff --git a/target/cris/translate_v10.c.inc b/target/cris/translate_v10.c.inc
index dd44a7eb97..0ba2aca96f 100644
--- a/target/cris/translate_v10.c.inc
+++ b/target/cris/translate_v10.c.inc
@@ -61,6 +61,7 @@ static inline void cris_illegal_insn(DisasContext *dc)
{
qemu_log_mask(LOG_GUEST_ERROR, "illegal insn at pc=%x\n", dc->pc);
t_gen_raise_exception(EXCP_BREAK);
+ dc->base.is_jmp = DISAS_NORETURN;
}
static void gen_store_v10_conditional(DisasContext *dc, TCGv addr, TCGv val,
@@ -1169,7 +1170,7 @@ static unsigned int dec10_ind(CPUCRISState *env, DisasContext *dc)
t_gen_mov_env_TN(trap_vector, c);
tcg_temp_free(c);
t_gen_raise_exception(EXCP_BREAK);
- dc->base.is_jmp = DISAS_UPDATE;
+ dc->base.is_jmp = DISAS_NORETURN;
return insn_len;
}
LOG_DIS("%d: jump.%d %d r%d r%d\n", __LINE__, size,