Signed-off-by: Avi Kivity <[email protected]>
Index: linux-2.6/drivers/kvm/svm.c
===================================================================
--- linux-2.6.orig/drivers/kvm/svm.c
+++ linux-2.6/drivers/kvm/svm.c
@@ -1076,6 +1076,20 @@ static int halt_interception(struct kvm_
return 0;
}
+static int vmmcall_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
+{
+ printk(KERN_DEBUG "got vmmcall at RIP %08llx\n",
+ vcpu->svm->vmcb->save.rip);
+ printk(KERN_DEBUG "vmmcall params: %08llx, %08lx, %08lx, %08lx\n",
+ vcpu->svm->vmcb->save.rax,
+ vcpu->regs[VCPU_REGS_RCX],
+ vcpu->regs[VCPU_REGS_RDX],
+ vcpu->regs[VCPU_REGS_RBP]);
+ vcpu->svm->vmcb->save.rax = 0;
+ vcpu->svm->vmcb->save.rip += 3;
+ return 1;
+}
+
static int invalid_op_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
{
inject_ud(vcpu);
@@ -1276,7 +1290,7 @@ static int (*svm_exit_handlers[])(struct
[SVM_EXIT_TASK_SWITCH] = task_switch_interception,
[SVM_EXIT_SHUTDOWN] = shutdown_interception,
[SVM_EXIT_VMRUN] = invalid_op_interception,
- [SVM_EXIT_VMMCALL] = invalid_op_interception,
+ [SVM_EXIT_VMMCALL] = vmmcall_interception,
[SVM_EXIT_VMLOAD] = invalid_op_interception,
[SVM_EXIT_VMSAVE] = invalid_op_interception,
[SVM_EXIT_STGI] = invalid_op_interception,
-
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