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KVM: PPC: e500: Fix TLBnCFG in KVM_CONFIG_TLB
The associativity, not just total size, can differ from the host hardware. Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Avi Kivity <avi@redhat.com>
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@ -1227,12 +1227,14 @@ int kvm_vcpu_ioctl_config_tlb(struct kvm_vcpu *vcpu,
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vcpu_e500->gtlb_offset[0] = 0;
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vcpu_e500->gtlb_offset[1] = params.tlb_sizes[0];
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vcpu_e500->tlb0cfg = mfspr(SPRN_TLB0CFG) & ~0xfffUL;
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vcpu_e500->tlb0cfg &= ~(TLBnCFG_N_ENTRY | TLBnCFG_ASSOC);
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if (params.tlb_sizes[0] <= 2048)
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vcpu_e500->tlb0cfg |= params.tlb_sizes[0];
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vcpu_e500->tlb0cfg |= params.tlb_ways[0] << TLBnCFG_ASSOC_SHIFT;
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vcpu_e500->tlb1cfg = mfspr(SPRN_TLB1CFG) & ~0xfffUL;
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vcpu_e500->tlb1cfg &= ~(TLBnCFG_N_ENTRY | TLBnCFG_ASSOC);
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vcpu_e500->tlb1cfg |= params.tlb_sizes[1];
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vcpu_e500->tlb1cfg |= params.tlb_ways[1] << TLBnCFG_ASSOC_SHIFT;
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vcpu_e500->shared_tlb_pages = pages;
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vcpu_e500->num_shared_tlb_pages = num_pages;
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@ -1348,10 +1350,17 @@ int kvmppc_e500_tlb_init(struct kvmppc_vcpu_e500 *vcpu_e500)
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goto err;
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/* Init TLB configuration register */
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vcpu_e500->tlb0cfg = mfspr(SPRN_TLB0CFG) & ~0xfffUL;
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vcpu_e500->tlb0cfg = mfspr(SPRN_TLB0CFG) &
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~(TLBnCFG_N_ENTRY | TLBnCFG_ASSOC);
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vcpu_e500->tlb0cfg |= vcpu_e500->gtlb_params[0].entries;
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vcpu_e500->tlb1cfg = mfspr(SPRN_TLB1CFG) & ~0xfffUL;
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vcpu_e500->tlb1cfg |= vcpu_e500->gtlb_params[1].entries;
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vcpu_e500->tlb0cfg |=
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vcpu_e500->gtlb_params[0].ways << TLBnCFG_ASSOC_SHIFT;
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vcpu_e500->tlb1cfg = mfspr(SPRN_TLB1CFG) &
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~(TLBnCFG_N_ENTRY | TLBnCFG_ASSOC);
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vcpu_e500->tlb0cfg |= vcpu_e500->gtlb_params[1].entries;
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vcpu_e500->tlb0cfg |=
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vcpu_e500->gtlb_params[1].ways << TLBnCFG_ASSOC_SHIFT;
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return 0;
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