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D43975.diff
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D43975.diff

diff --git a/sys/arm/arm/generic_timer.c b/sys/arm/arm/generic_timer.c
--- a/sys/arm/arm/generic_timer.c
+++ b/sys/arm/arm/generic_timer.c
@@ -171,12 +171,14 @@
#define set_el0(x, val) cp15_## x ##_set(val)
#define set_el1(x, val) cp15_## x ##_set(val)
#define HAS_PHYS true
+#define IN_VHE false
#else /* __aarch64__ */
#define get_el0(x) READ_SPECIALREG(x ##_el0)
#define get_el1(x) READ_SPECIALREG(x ##_el1)
#define set_el0(x, val) WRITE_SPECIALREG(x ##_el0, val)
#define set_el1(x, val) WRITE_SPECIALREG(x ##_el1, val)
#define HAS_PHYS has_hyp()
+#define IN_VHE in_vhe()
#endif
static int
@@ -678,13 +680,22 @@
#endif
#ifdef __aarch64__
- /*
- * Use the virtual timer when we can't use the hypervisor.
- * A hypervisor guest may change the virtual timer registers while
- * executing so any use of the virtual timer interrupt needs to be
- * coordinated with the virtual machine manager.
- */
- if (!HAS_PHYS) {
+ if (IN_VHE) {
+ /*
+ * The kernel is running at EL2. The EL0 timer registers are
+ * re-mapped to the EL2 version. Because of this we need to
+ * use the EL2 interrupt.
+ */
+ sc->physical_sys = true;
+ first_timer = GT_HYP_PHYS;
+ last_timer = GT_HYP_PHYS;
+ } else if (!HAS_PHYS) {
+ /*
+ * Use the virtual timer when we can't use the hypervisor.
+ * A hypervisor guest may change the virtual timer registers
+ * while executing so any use of the virtual timer interrupt
+ * needs to be coordinated with the virtual machine manager.
+ */
sc->physical_sys = false;
first_timer = GT_VIRT;
last_timer = GT_VIRT;

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