ARM: KVM: Add CP15 save/restore code
Concert the CP15 save/restore code to C.
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 5808bbd..ab2cb82 100644
--- a/arch/arm/kvm/hyp/hyp.h
+++ b/arch/arm/kvm/hyp/hyp.h
@@ -42,9 +42,37 @@
})
#define read_sysreg(...) __read_sysreg(__VA_ARGS__)
+#define TTBR0 __ACCESS_CP15_64(0, c2)
+#define TTBR1 __ACCESS_CP15_64(1, c2)
#define VTTBR __ACCESS_CP15_64(6, c2)
+#define PAR __ACCESS_CP15_64(0, c7)
+#define CSSELR __ACCESS_CP15(c0, 2, c0, 0)
+#define VMPIDR __ACCESS_CP15(c0, 4, c0, 5)
+#define SCTLR __ACCESS_CP15(c1, 0, c0, 0)
+#define CPACR __ACCESS_CP15(c1, 0, c0, 2)
+#define TTBCR __ACCESS_CP15(c2, 0, c0, 2)
+#define DACR __ACCESS_CP15(c3, 0, c0, 0)
+#define DFSR __ACCESS_CP15(c5, 0, c0, 0)
+#define IFSR __ACCESS_CP15(c5, 0, c0, 1)
+#define ADFSR __ACCESS_CP15(c5, 0, c1, 0)
+#define AIFSR __ACCESS_CP15(c5, 0, c1, 1)
+#define DFAR __ACCESS_CP15(c6, 0, c0, 0)
+#define IFAR __ACCESS_CP15(c6, 0, c0, 2)
#define ICIALLUIS __ACCESS_CP15(c7, 0, c1, 0)
#define TLBIALLIS __ACCESS_CP15(c8, 0, c3, 0)
#define TLBIALLNSNHIS __ACCESS_CP15(c8, 4, c3, 4)
+#define PRRR __ACCESS_CP15(c10, 0, c2, 0)
+#define NMRR __ACCESS_CP15(c10, 0, c2, 1)
+#define AMAIR0 __ACCESS_CP15(c10, 0, c3, 0)
+#define AMAIR1 __ACCESS_CP15(c10, 0, c3, 1)
+#define VBAR __ACCESS_CP15(c12, 0, c0, 0)
+#define CID __ACCESS_CP15(c13, 0, c0, 1)
+#define TID_URW __ACCESS_CP15(c13, 0, c0, 2)
+#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)
+
+void __sysreg_save_state(struct kvm_cpu_context *ctxt);
+void __sysreg_restore_state(struct kvm_cpu_context *ctxt);
#endif /* __ARM_KVM_HYP_H__ */