diff options
| author | Liu Yu <yu.liu@freescale.com> | 2009-02-17 16:52:08 +0800 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2009-03-24 11:03:12 +0200 |
| commit | b0a1835d53c57bc38b36867c04436b60454cb610 (patch) | |
| tree | 8d3cd9f1d01b8d13f82bddda759c1f3335147221 /arch/powerpc/kvm/e500_tlb.c | |
| parent | 71450f78853b82d55cda4e182c9db6e26b631485 (diff) | |
KVM: ppc: Add emulation of E500 register mmucsr0
Latest kernel flushes TLB via mmucsr0.
Signed-off-by: Liu Yu <yu.liu@freescale.com>
Acked-by: Hollis Blanchard <hollisb@us.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/powerpc/kvm/e500_tlb.c')
| -rw-r--r-- | arch/powerpc/kvm/e500_tlb.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/e500_tlb.c b/arch/powerpc/kvm/e500_tlb.c index d437160d388c..72386ddbd9d5 100644 --- a/arch/powerpc/kvm/e500_tlb.c +++ b/arch/powerpc/kvm/e500_tlb.c @@ -391,6 +391,22 @@ static int kvmppc_e500_gtlbe_invalidate(struct kvmppc_vcpu_e500 *vcpu_e500, return 0; } +int kvmppc_e500_emul_mt_mmucsr0(struct kvmppc_vcpu_e500 *vcpu_e500, ulong value) +{ + int esel; + + if (value & MMUCSR0_TLB0FI) + for (esel = 0; esel < vcpu_e500->guest_tlb_size[0]; esel++) + kvmppc_e500_gtlbe_invalidate(vcpu_e500, 0, esel); + if (value & MMUCSR0_TLB1FI) + for (esel = 0; esel < vcpu_e500->guest_tlb_size[1]; esel++) + kvmppc_e500_gtlbe_invalidate(vcpu_e500, 1, esel); + + _tlbil_all(); + + return EMULATE_DONE; +} + int kvmppc_e500_emul_tlbivax(struct kvm_vcpu *vcpu, int ra, int rb) { struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu); |