[PATCH 11/13] KVM: arm64: selftests: Initialize HCR_EL2

[Oliver Upton]

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 at linux.dev>
---
 tools/testing/selftests/kvm/lib/arm64/processor.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tools/testing/selftests/kvm/lib/arm64/processor.c b/tools/testing/selftests/kvm/lib/arm64/processor.c
index 5ae65fefd48c..4339de2fc482 100644
--- a/tools/testing/selftests/kvm/lib/arm64/processor.c
+++ b/tools/testing/selftests/kvm/lib/arm64/processor.c
@@ -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)
-- 
2.47.3