Commit 05c93cbe authored by Oliver Upton's avatar Oliver Upton Committed by Marc Zyngier
Browse files

KVM: arm64: selftests: Initialize HCR_EL2 



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

Signed-off-by: default avatarOliver Upton <oliver.upton@linux.dev>
Signed-off-by: default avatarMarc Zyngier <maz@kernel.org>
parent 7ae44d1c

tools/testing/selftests/kvm/lib/arm64/processor.c

+6 −0
Original line number Diff line number Diff line
@@ -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)