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diff --git a/usr.sbin/bhyve/aarch64/vmexit.c b/usr.sbin/bhyve/aarch64/vmexit.c
--- a/usr.sbin/bhyve/aarch64/vmexit.c
+++ b/usr.sbin/bhyve/aarch64/vmexit.c
@@ -84,6 +84,21 @@
return (VMEXIT_ABORT);
}
+static int
+vmexit_reg_emul(struct vmctx *ctx __unused, struct vcpu *vcpu __unused,
+ struct vm_run *vmrun)
+{
+ struct vm_exit *vme;
+ struct vre *vre;
+
+ vme = vmrun->vm_exit;
+ vre = &vme->u.reg_emul.vre;
+
+ EPRINTLN("Unhandled register access: pc %#lx syndrome %#x reg %d\n",
+ vme->pc, vre->inst_syndrome, vre->reg);
+ return (VMEXIT_ABORT);
+}
+
static int
vmexit_suspend(struct vmctx *ctx, struct vcpu *vcpu, struct vm_run *vmrun)
{
@@ -269,6 +284,7 @@
const vmexit_handler_t vmexit_handlers[VM_EXITCODE_MAX] = {
[VM_EXITCODE_BOGUS] = vmexit_bogus,
[VM_EXITCODE_INST_EMUL] = vmexit_inst_emul,
+ [VM_EXITCODE_REG_EMUL] = vmexit_reg_emul,
[VM_EXITCODE_SUSPENDED] = vmexit_suspend,
[VM_EXITCODE_DEBUG] = vmexit_debug,
[VM_EXITCODE_SMCCC] = vmexit_smccc,

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