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authorRichard Henderson <richard.henderson@linaro.org>2022-10-20 13:06:37 +1000
committerPeter Maydell <peter.maydell@linaro.org>2022-10-20 11:27:52 +0100
commitb4f8d987f6a9ff2733bcd6e5fa78f6582dc84771 (patch)
treef04c6bd8d934fed60e5148a7b964244ed7d73a04 /target
parent55086e628ffcb35c71317b310d9caf6f718ae870 (diff)
target/arm: Remove gen_exception_internal_insn pc argument
In preparation for TARGET_TB_PCREL, reduce reliance on absolute values. Since we always pass dc->pc_curr, fold the arithmetic to zero displacement. Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20221020030641.2066807-6-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target')
-rw-r--r--target/arm/translate-a64.c6
-rw-r--r--target/arm/translate.c10
2 files changed, 8 insertions, 8 deletions
diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c
index 8ed192198f..713f1a89a4 100644
--- a/target/arm/translate-a64.c
+++ b/target/arm/translate-a64.c
@@ -332,9 +332,9 @@ static void gen_exception_internal(int excp)
gen_helper_exception_internal(cpu_env, tcg_constant_i32(excp));
}
-static void gen_exception_internal_insn(DisasContext *s, uint64_t pc, int excp)
+static void gen_exception_internal_insn(DisasContext *s, int excp)
{
- gen_a64_update_pc(s, pc - s->pc_curr);
+ gen_a64_update_pc(s, 0);
gen_exception_internal(excp);
s->base.is_jmp = DISAS_NORETURN;
}
@@ -2211,7 +2211,7 @@ static void disas_exc(DisasContext *s, uint32_t insn)
* Secondly, "HLT 0xf000" is the A64 semihosting syscall instruction.
*/
if (semihosting_enabled(s->current_el == 0) && imm16 == 0xf000) {
- gen_exception_internal_insn(s, s->pc_curr, EXCP_SEMIHOST);
+ gen_exception_internal_insn(s, EXCP_SEMIHOST);
} else {
unallocated_encoding(s);
}
diff --git a/target/arm/translate.c b/target/arm/translate.c
index 350f991649..9104ab8232 100644
--- a/target/arm/translate.c
+++ b/target/arm/translate.c
@@ -1074,10 +1074,10 @@ static inline void gen_smc(DisasContext *s)
s->base.is_jmp = DISAS_SMC;
}
-static void gen_exception_internal_insn(DisasContext *s, uint32_t pc, int excp)
+static void gen_exception_internal_insn(DisasContext *s, int excp)
{
gen_set_condexec(s);
- gen_update_pc(s, pc - s->pc_curr);
+ gen_update_pc(s, 0);
gen_exception_internal(excp);
s->base.is_jmp = DISAS_NORETURN;
}
@@ -1169,7 +1169,7 @@ static inline void gen_hlt(DisasContext *s, int imm)
*/
if (semihosting_enabled(s->current_el != 0) &&
(imm == (s->thumb ? 0x3c : 0xf000))) {
- gen_exception_internal_insn(s, s->pc_curr, EXCP_SEMIHOST);
+ gen_exception_internal_insn(s, EXCP_SEMIHOST);
return;
}
@@ -6556,7 +6556,7 @@ static bool trans_BKPT(DisasContext *s, arg_BKPT *a)
if (arm_dc_feature(s, ARM_FEATURE_M) &&
semihosting_enabled(s->current_el == 0) &&
(a->imm == 0xab)) {
- gen_exception_internal_insn(s, s->pc_curr, EXCP_SEMIHOST);
+ gen_exception_internal_insn(s, EXCP_SEMIHOST);
} else {
gen_exception_bkpt_insn(s, syn_aa32_bkpt(a->imm, false));
}
@@ -8762,7 +8762,7 @@ static bool trans_SVC(DisasContext *s, arg_SVC *a)
if (!arm_dc_feature(s, ARM_FEATURE_M) &&
semihosting_enabled(s->current_el == 0) &&
(a->imm == semihost_imm)) {
- gen_exception_internal_insn(s, s->pc_curr, EXCP_SEMIHOST);
+ gen_exception_internal_insn(s, EXCP_SEMIHOST);
} else {
gen_update_pc(s, curr_insn_len(s));
s->svc_imm = a->imm;