From: Joerg Roedel <[EMAIL PROTECTED]>
This patch adds code to emulate the access to the cr8 register to the x86
instruction emulator in kvm.
Signed-off-by: Joerg Roedel <[EMAIL PROTECTED]>
Signed-off-by: Markus Rechberger <[EMAIL PROTECTED]>
---
drivers/kvm/x86.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/drivers/kvm/x86.c b/drivers/kvm/x86.c
index 6deb052..9db4e32 100644
--- a/drivers/kvm/x86.c
+++ b/drivers/kvm/x86.c
@@ -2236,6 +2236,8 @@ unsigned long realmode_get_cr(struct kvm_vcpu *vcpu, int
cr)
return vcpu->cr3;
case 4:
return vcpu->cr4;
+ case 8:
+ return get_cr8(vcpu);
default:
vcpu_printf(vcpu, "%s: unexpected cr %u\n", __FUNCTION__, cr);
return 0;
@@ -2259,6 +2261,9 @@ void realmode_set_cr(struct kvm_vcpu *vcpu, int cr,
unsigned long val,
case 4:
set_cr4(vcpu, mk_cr_64(vcpu->cr4, val));
break;
+ case 8:
+ set_cr8(vcpu, val & 0xfUL);
+ break;
default:
vcpu_printf(vcpu, "%s: unexpected cr %u\n", __FUNCTION__, cr);
}
--
1.5.2.5
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