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KVM: arm64: selftests: Initialize HCR_EL2

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Initialize HCR_EL2 such that EL2&0 is considered 'InHost', allowing the
use of (mostly) unmodified EL1 selftests at EL2.

Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Signed-off-by: Marc Zyngier <maz@kernel.org>
This commit is contained in:
Oliver Upton 2025-09-17 14:20:41 -07:00 committed by Marc Zyngier
parent 7ae44d1cda
commit 05c93cbe66
1 changed files with 6 additions and 0 deletions
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6
tools/testing/selftests/kvm/lib/arm64/processor.c
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@ -369,6 +369,12 @@ void aarch64_vcpu_setup(struct kvm_vcpu *vcpu, struct kvm_vcpu_init *init)
vcpu_set_reg(vcpu, ctxt_reg_alias(vcpu, SYS_MAIR_EL1), DEFAULT_MAIR_EL1);
vcpu_set_reg(vcpu, ctxt_reg_alias(vcpu, SYS_TTBR0_EL1), ttbr0_el1);
vcpu_set_reg(vcpu, KVM_ARM64_SYS_REG(SYS_TPIDR_EL1), vcpu->id);
if (!vcpu_has_el2(vcpu))
return;
vcpu_set_reg(vcpu, KVM_ARM64_SYS_REG(SYS_HCR_EL2),
HCR_EL2_RW | HCR_EL2_TGE | HCR_EL2_E2H);
}
void vcpu_arch_dump(FILE *stream, struct kvm_vcpu *vcpu, uint8_t indent)