arm64: KVM: Implement timer save/restore

Implement the timer save restore as a direct translation of
the assembly code version.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/include/clocksource/arm_arch_timer.h b/include/clocksource/arm_arch_timer.h
index 9916d0e4eff5..25d0914481a2 100644
--- a/include/clocksource/arm_arch_timer.h
+++ b/include/clocksource/arm_arch_timer.h
@@ -23,6 +23,12 @@
 #define ARCH_TIMER_CTRL_IT_MASK         (1 << 1)
 #define ARCH_TIMER_CTRL_IT_STAT         (1 << 2)
 
+#define CNTHCTL_EL1PCTEN                (1 << 0)
+#define CNTHCTL_EL1PCEN                 (1 << 1)
+#define CNTHCTL_EVNTEN                  (1 << 2)
+#define CNTHCTL_EVNTDIR                 (1 << 3)
+#define CNTHCTL_EVNTI                   (0xF << 4)
+
 enum arch_timer_reg {
         ARCH_TIMER_REG_CTRL,
         ARCH_TIMER_REG_TVAL,