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authorMarc Zyngier <marc.zyngier@arm.com>2016-09-06 14:02:09 +0100
committerChristoffer Dall <christoffer.dall@linaro.org>2016-09-08 12:53:00 +0200
commitbfb78b5c98d0e6b6dbd9af9cd71e853670a34044 (patch)
tree01fec0fb15ec6452c279b513fa585345c7dfaacb /arch/arm/kvm
parent1f7e378d1235a3cb5c9cdd8c62fe13cb6c3cf157 (diff)
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arm: KVM: Add Virtual Abort injection helper
Now that we're able to context switch the HCR.VA bit, let's introduce a helper that injects an Abort into a vcpu. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Diffstat (limited to 'arch/arm/kvm')
-rw-r--r--arch/arm/kvm/emulate.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/kvm/emulate.c b/arch/arm/kvm/emulate.c
index ff9acd1b027b..0064b86a2c87 100644
--- a/arch/arm/kvm/emulate.c
+++ b/arch/arm/kvm/emulate.c
@@ -303,3 +303,15 @@ void kvm_inject_pabt(struct kvm_vcpu *vcpu, unsigned long addr)
{
inject_abt(vcpu, true, addr);
}
+
+/**
+ * kvm_inject_vabt - inject an async abort / SError into the guest
+ * @vcpu: The VCPU to receive the exception
+ *
+ * It is assumed that this code is called from the VCPU thread and that the
+ * VCPU therefore is not currently executing guest code.
+ */
+void kvm_inject_vabt(struct kvm_vcpu *vcpu)
+{
+ vcpu_set_hcr(vcpu, vcpu_get_hcr(vcpu) | HCR_VA);
+}
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