ARM: KVM: Add timer save/restore
This patch shouldn't exist, as we should be able to reuse the
arm64 version for free. I'll get there eventually, but in the
meantime I need a timer ticking.
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
diff --git a/arch/arm/kvm/hyp/hyp.h b/arch/arm/kvm/hyp/hyp.h
index ab2cb82..4924418 100644
--- a/arch/arm/kvm/hyp/hyp.h
+++ b/arch/arm/kvm/hyp/hyp.h
@@ -46,6 +46,9 @@
#define TTBR1 __ACCESS_CP15_64(1, c2)
#define VTTBR __ACCESS_CP15_64(6, c2)
#define PAR __ACCESS_CP15_64(0, c7)
+#define CNTV_CVAL __ACCESS_CP15_64(3, c14)
+#define CNTVOFF __ACCESS_CP15_64(4, c14)
+
#define CSSELR __ACCESS_CP15(c0, 2, c0, 0)
#define VMPIDR __ACCESS_CP15(c0, 4, c0, 5)
#define SCTLR __ACCESS_CP15(c1, 0, c0, 0)
@@ -71,6 +74,11 @@
#define TID_URO __ACCESS_CP15(c13, 0, c0, 3)
#define TID_PRIV __ACCESS_CP15(c13, 0, c0, 4)
#define CNTKCTL __ACCESS_CP15(c14, 0, c1, 0)
+#define CNTV_CTL __ACCESS_CP15(c14, 0, c3, 1)
+#define CNTHCTL __ACCESS_CP15(c14, 4, c1, 0)
+
+void __timer_save_state(struct kvm_vcpu *vcpu);
+void __timer_restore_state(struct kvm_vcpu *vcpu);
void __sysreg_save_state(struct kvm_cpu_context *ctxt);
void __sysreg_restore_state(struct kvm_cpu_context *ctxt);