return true;
}
+static bool access_ras(struct kvm_vcpu *vcpu,
+ struct sys_reg_params *p,
+ const struct sys_reg_desc *r)
+{
+ struct kvm *kvm = vcpu->kvm;
+
+ switch(reg_to_encoding(r)) {
+ default:
+ if (!kvm_has_feat(kvm, ID_AA64PFR0_EL1, RAS, IMP)) {
+ kvm_inject_undefined(vcpu);
+ return false;
+ }
+ }
+
+ return trap_raz_wi(vcpu, p, r);
+}
+
/*
* For historical (ahem ABI) reasons, KVM treated MIDR_EL1, REVIDR_EL1, and
* AIDR_EL1 as "invariant" registers, meaning userspace cannot change them.
{ SYS_DESC(SYS_AFSR1_EL1), access_vm_reg, reset_unknown, AFSR1_EL1 },
{ SYS_DESC(SYS_ESR_EL1), access_vm_reg, reset_unknown, ESR_EL1 },
- { SYS_DESC(SYS_ERRIDR_EL1), trap_raz_wi },
- { SYS_DESC(SYS_ERRSELR_EL1), trap_raz_wi },
- { SYS_DESC(SYS_ERXFR_EL1), trap_raz_wi },
- { SYS_DESC(SYS_ERXCTLR_EL1), trap_raz_wi },
- { SYS_DESC(SYS_ERXSTATUS_EL1), trap_raz_wi },
- { SYS_DESC(SYS_ERXADDR_EL1), trap_raz_wi },
- { SYS_DESC(SYS_ERXMISC0_EL1), trap_raz_wi },
- { SYS_DESC(SYS_ERXMISC1_EL1), trap_raz_wi },
+ { SYS_DESC(SYS_ERRIDR_EL1), access_ras },
+ { SYS_DESC(SYS_ERRSELR_EL1), access_ras },
+ { SYS_DESC(SYS_ERXFR_EL1), access_ras },
+ { SYS_DESC(SYS_ERXCTLR_EL1), access_ras },
+ { SYS_DESC(SYS_ERXSTATUS_EL1), access_ras },
+ { SYS_DESC(SYS_ERXADDR_EL1), access_ras },
+ { SYS_DESC(SYS_ERXMISC0_EL1), access_ras },
+ { SYS_DESC(SYS_ERXMISC1_EL1), access_ras },
MTE_REG(TFSR_EL1),
MTE_REG(TFSRE0_EL1),