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target/arm: use syndrome helpers to query VNCR bit

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These are only valid for data abort syndromes.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20260422125250.1303100-22-alex.bennee@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Alex Bennée
2026-04-22 13:52:38 +01:00
committed by Peter Maydell
parent f5fc9e119d
commit 3ebe35694b
1 changed files with 2 additions and 2 deletions
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4
target/arm/tcg/tlb_helper.c
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@@ -48,7 +48,7 @@ static inline uint64_t merge_syn_data_abort(uint32_t template_syn,
* ST64BV, or ST64BV0 insns report syndrome info even for stage-1
* faults and regardless of the target EL.
*/
if (template_syn & ARM_EL_VNCR) {
if (FIELD_EX32(template_syn, DABORT_ISS, VNCR)) {
/*
* FEAT_NV2 faults on accesses via VNCR_EL2 are a special case:
* they are always reported as "same EL", even though we are going
@@ -190,7 +190,7 @@ void arm_deliver_fault(ARMCPU *cpu, vaddr addr,
* because we masked that out in disas_set_insn_syndrome())
*/
bool is_vncr = (access_type != MMU_INST_FETCH) &&
(env->exception.syndrome & ARM_EL_VNCR);
FIELD_EX32(env->exception.syndrome, DABORT_ISS, VNCR);
if (is_vncr) {
/* FEAT_NV2 faults on accesses via VNCR_EL2 go to EL2 */