* [PATCH] KVM: x86 emulator: handle smsw
@ 2006-11-30 13:18 Avi Kivity
0 siblings, 0 replies; only message in thread
From: Avi Kivity @ 2006-11-30 13:18 UTC (permalink / raw)
To: kvm-devel; +Cc: linux-kernel, mingo, akpm
This allows FreeBSD 6.2rc1 to boot.
Also, don't pretend to support lmsw (mem).
Signed-off-by: Avi Kivity <avi@qumranet.com>
Index: linux-2.6/drivers/kvm/x86_emulate.c
===================================================================
--- linux-2.6.orig/drivers/kvm/x86_emulate.c
+++ linux-2.6/drivers/kvm/x86_emulate.c
@@ -1166,7 +1166,15 @@ twobyte_insn:
goto done;
realmode_lidt(ctxt->vcpu, size, address);
break;
+ case 4: /* smsw */
+ if (modrm_mod != 3)
+ goto cannot_emulate;
+ *(u16 *)&_regs[modrm_rm]
+ = realmode_get_cr(ctxt->vcpu, 0);
+ break;
case 6: /* lmsw */
+ if (modrm_mod != 3)
+ goto cannot_emulate;
realmode_lmsw(ctxt->vcpu, (u16)modrm_val, &_eflags);
break;
case 7: /* invlpg*/
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2006-11-30 13:18 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2006-11-30 13:18 [PATCH] KVM: x86 emulator: handle smsw Avi Kivity
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®