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authorAlexander Graf <agraf@suse.de>2010-03-24 21:48:33 +0100
committerAvi Kivity <avi@redhat.com>2010-05-17 11:17:15 +0200
commitbd7cdbb7fcd135a399ebb855dc9106747ee2e6ba (patch)
treed0816eab67fb642dfab5597bd9f797c4078af05b /arch
parentKVM: PPC: Fix dcbz emulation (diff)
downloadlinux-bd7cdbb7fcd135a399ebb855dc9106747ee2e6ba.tar.xz
linux-bd7cdbb7fcd135a399ebb855dc9106747ee2e6ba.zip
KVM: PPC: Add emulation for dcba
Mac OS X uses the dcba instruction. According to the specification it doesn't guarantee any functionality, so let's just emulate it as nop. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/kvm/book3s_64_emulate.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/book3s_64_emulate.c b/arch/powerpc/kvm/book3s_64_emulate.c
index bbd15906900d..8f50776a9a1d 100644
--- a/arch/powerpc/kvm/book3s_64_emulate.c
+++ b/arch/powerpc/kvm/book3s_64_emulate.c
@@ -37,6 +37,7 @@
#define OP_31_XOP_SLBIA 498
#define OP_31_XOP_MFSR 595
#define OP_31_XOP_MFSRIN 659
+#define OP_31_XOP_DCBA 758
#define OP_31_XOP_SLBMFEV 851
#define OP_31_XOP_EIOIO 854
#define OP_31_XOP_SLBMFEE 915
@@ -183,6 +184,9 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
kvmppc_set_gpr(vcpu, get_rt(inst), t);
}
break;
+ case OP_31_XOP_DCBA:
+ /* Gets treated as NOP */
+ break;
case OP_31_XOP_DCBZ:
{
ulong rb = kvmppc_get_gpr(vcpu, get_rb(inst));