diff options
| -rw-r--r-- | target/arm/cpu.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/target/arm/cpu.c b/target/arm/cpu.c index 25e9d2ae7b..efb22a87f9 100644 --- a/target/arm/cpu.c +++ b/target/arm/cpu.c @@ -1743,6 +1743,16 @@ void arm_cpu_finalize_features(ARMCPU *cpu, Error **errp) return; } + /* + * FEAT_SME is not architecturally dependent on FEAT_SVE (unless + * FEAT_SME_FA64 is present). However our implementation currently + * assumes it, so if the user asked for sve=off then turn off SME also. + * (KVM doesn't currently support SME at all.) + */ + if (cpu_isar_feature(aa64_sme, cpu) && !cpu_isar_feature(aa64_sve, cpu)) { + object_property_set_bool(OBJECT(cpu), "sme", false, &error_abort); + } + arm_cpu_sme_finalize(cpu, &local_err); if (local_err != NULL) { error_propagate(errp, local_err); |