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KVM: PPC: Add helpers for CR, XER

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We now have helpers for the GPRs, so let's also add some for CR and XER.

Having them in the PACA simplifies code a lot, as we don't need to care
about where to store CC or not to overflow any integers.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Alexander Graf
2010-01-08 02:58:02 +01:00
committed by Marcelo Tosatti
parent 8e5b26b55a
commit 992b5b29b5
4 changed files with 52 additions and 10 deletions
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6
arch/powerpc/kvm/44x_tlb.c
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@@ -506,10 +506,12 @@ int kvmppc_44x_emul_tlbsx(struct kvm_vcpu *vcpu, u8 rt, u8 ra, u8 rb, u8 rc)
gtlb_index = kvmppc_44x_tlb_index(vcpu, ea, pid, as);
if (rc) {
u32 cr = kvmppc_get_cr(vcpu);
if (gtlb_index < 0)
vcpu->arch.cr &= ~0x20000000;
kvmppc_set_cr(vcpu, cr & ~0x20000000);
else
vcpu->arch.cr |= 0x20000000;
kvmppc_set_cr(vcpu, cr | 0x20000000);
}
kvmppc_set_gpr(vcpu, rt, gtlb_index);