diff options
Diffstat (limited to 'arch/powerpc/kvm/book3s_emulate.c')
| -rw-r--r-- | arch/powerpc/kvm/book3s_emulate.c | 73 |
1 files changed, 29 insertions, 44 deletions
diff --git a/arch/powerpc/kvm/book3s_emulate.c b/arch/powerpc/kvm/book3s_emulate.c index c85f906..4668465 100644 --- a/arch/powerpc/kvm/book3s_emulate.c +++ b/arch/powerpc/kvm/book3s_emulate.c @@ -73,8 +73,8 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu, switch (get_xop(inst)) { case OP_19_XOP_RFID: case OP_19_XOP_RFI: - kvmppc_set_pc(vcpu, vcpu->arch.srr0); - kvmppc_set_msr(vcpu, vcpu->arch.srr1); + kvmppc_set_pc(vcpu, vcpu->arch.shared->srr0); + kvmppc_set_msr(vcpu, vcpu->arch.shared->srr1); *advance = 0; break; @@ -86,14 +86,15 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu, case 31: switch (get_xop(inst)) { case OP_31_XOP_MFMSR: - kvmppc_set_gpr(vcpu, get_rt(inst), vcpu->arch.msr); + kvmppc_set_gpr(vcpu, get_rt(inst), + vcpu->arch.shared->msr); break; case OP_31_XOP_MTMSRD: { ulong rs = kvmppc_get_gpr(vcpu, get_rs(inst)); if (inst & 0x10000) { - vcpu->arch.msr &= ~(MSR_RI | MSR_EE); - vcpu->arch.msr |= rs & (MSR_RI | MSR_EE); + vcpu->arch.shared->msr &= ~(MSR_RI | MSR_EE); + vcpu->arch.shared->msr |= rs & (MSR_RI | MSR_EE); } else kvmppc_set_msr(vcpu, rs); break; @@ -204,14 +205,14 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu, ra = kvmppc_get_gpr(vcpu, get_ra(inst)); addr = (ra + rb) & ~31ULL; - if (!(vcpu->arch.msr & MSR_SF)) + if (!(vcpu->arch.shared->msr & MSR_SF)) addr &= 0xffffffff; vaddr = addr; r = kvmppc_st(vcpu, &addr, 32, zeros, true); if ((r == -ENOENT) || (r == -EPERM)) { *advance = 0; - vcpu->arch.dear = vaddr; + vcpu->arch.shared->dar = vaddr; to_svcpu(vcpu)->fault_dar = vaddr; dsisr = DSISR_ISSTORE; @@ -220,7 +221,7 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu, else if (r == -EPERM) dsisr |= DSISR_PROTFAULT; - to_book3s(vcpu)->dsisr = dsisr; + vcpu->arch.shared->dsisr = dsisr; to_svcpu(vcpu)->fault_dsisr = dsisr; kvmppc_book3s_queue_irqprio(vcpu, @@ -263,7 +264,7 @@ void kvmppc_set_bat(struct kvm_vcpu *vcpu, struct kvmppc_bat *bat, bool upper, } } -static u32 kvmppc_read_bat(struct kvm_vcpu *vcpu, int sprn) +static struct kvmppc_bat *kvmppc_find_bat(struct kvm_vcpu *vcpu, int sprn) { struct kvmppc_vcpu_book3s *vcpu_book3s = to_book3s(vcpu); struct kvmppc_bat *bat; @@ -285,35 +286,7 @@ static u32 kvmppc_read_bat(struct kvm_vcpu *vcpu, int sprn) BUG(); } - if (sprn % 2) - return bat->raw >> 32; - else - return bat->raw; -} - -static void kvmppc_write_bat(struct kvm_vcpu *vcpu, int sprn, u32 val) -{ - struct kvmppc_vcpu_book3s *vcpu_book3s = to_book3s(vcpu); - struct kvmppc_bat *bat; - - switch (sprn) { - case SPRN_IBAT0U ... SPRN_IBAT3L: - bat = &vcpu_book3s->ibat[(sprn - SPRN_IBAT0U) / 2]; - break; - case SPRN_IBAT4U ... SPRN_IBAT7L: - bat = &vcpu_book3s->ibat[4 + ((sprn - SPRN_IBAT4U) / 2)]; - break; - case SPRN_DBAT0U ... SPRN_DBAT3L: - bat = &vcpu_book3s->dbat[(sprn - SPRN_DBAT0U) / 2]; - break; - case SPRN_DBAT4U ... SPRN_DBAT7L: - bat = &vcpu_book3s->dbat[4 + ((sprn - SPRN_DBAT4U) / 2)]; - break; - default: - BUG(); - } - - kvmppc_set_bat(vcpu, bat, !(sprn % 2), val); + return bat; } int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs) @@ -326,10 +299,10 @@ int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs) to_book3s(vcpu)->sdr1 = spr_val; break; case SPRN_DSISR: - to_book3s(vcpu)->dsisr = spr_val; + vcpu->arch.shared->dsisr = spr_val; break; case SPRN_DAR: - vcpu->arch.dear = spr_val; + vcpu->arch.shared->dar = spr_val; break; case SPRN_HIOR: to_book3s(vcpu)->hior = spr_val; @@ -338,12 +311,16 @@ int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs) case SPRN_IBAT4U ... SPRN_IBAT7L: case SPRN_DBAT0U ... SPRN_DBAT3L: case SPRN_DBAT4U ... SPRN_DBAT7L: - kvmppc_write_bat(vcpu, sprn, (u32)spr_val); + { + struct kvmppc_bat *bat = kvmppc_find_bat(vcpu, sprn); + + kvmppc_set_bat(vcpu, bat, !(sprn % 2), (u32)spr_val); /* BAT writes happen so rarely that we're ok to flush * everything here */ kvmppc_mmu_pte_flush(vcpu, 0, 0); kvmppc_mmu_flush_segments(vcpu); break; + } case SPRN_HID0: to_book3s(vcpu)->hid[0] = spr_val; break; @@ -433,16 +410,24 @@ int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt) case SPRN_IBAT4U ... SPRN_IBAT7L: case SPRN_DBAT0U ... SPRN_DBAT3L: case SPRN_DBAT4U ... SPRN_DBAT7L: - kvmppc_set_gpr(vcpu, rt, kvmppc_read_bat(vcpu, sprn)); + { + struct kvmppc_bat *bat = kvmppc_find_bat(vcpu, sprn); + + if (sprn % 2) + kvmppc_set_gpr(vcpu, rt, bat->raw >> 32); + else + kvmppc_set_gpr(vcpu, rt, bat->raw); + break; + } case SPRN_SDR1: kvmppc_set_gpr(vcpu, rt, to_book3s(vcpu)->sdr1); break; case SPRN_DSISR: - kvmppc_set_gpr(vcpu, rt, to_book3s(vcpu)->dsisr); + kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->dsisr); break; case SPRN_DAR: - kvmppc_set_gpr(vcpu, rt, vcpu->arch.dear); + kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->dar); break; case SPRN_HIOR: kvmppc_set_gpr(vcpu, rt, to_book3s(vcpu)->hior); |