From b0a1835d53c57bc38b36867c04436b60454cb610 Mon Sep 17 00:00:00 2001 From: Liu Yu Date: Tue, 17 Feb 2009 16:52:08 +0800 Subject: KVM: ppc: Add emulation of E500 register mmucsr0 Latest kernel flushes TLB via mmucsr0. Signed-off-by: Liu Yu Acked-by: Hollis Blanchard Signed-off-by: Avi Kivity --- arch/powerpc/kvm/e500_tlb.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'arch/powerpc/kvm/e500_tlb.c') diff --git a/arch/powerpc/kvm/e500_tlb.c b/arch/powerpc/kvm/e500_tlb.c index d437160d388..72386ddbd9d 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); -- cgit v1.2.3