206 lines
5.0 KiB
C
206 lines
5.0 KiB
C
/*
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* Copyright (C) 2008 Freescale Semiconductor, Inc. All rights reserved.
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*
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* Author: Yu Liu, <yu.liu@freescale.com>
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*
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* Description:
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* This file is derived from arch/powerpc/kvm/44x_emulate.c,
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* by Hollis Blanchard <hollisb@us.ibm.com>.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License, version 2, as
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* published by the Free Software Foundation.
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*/
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#include <asm/kvm_ppc.h>
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#include <asm/disassemble.h>
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#include <asm/kvm_e500.h>
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#include "booke.h"
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#include "e500_tlb.h"
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#define XOP_TLBIVAX 786
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#define XOP_TLBSX 914
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#define XOP_TLBRE 946
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#define XOP_TLBWE 978
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int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
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unsigned int inst, int *advance)
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{
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int emulated = EMULATE_DONE;
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int ra;
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int rb;
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switch (get_op(inst)) {
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case 31:
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switch (get_xop(inst)) {
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case XOP_TLBRE:
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emulated = kvmppc_e500_emul_tlbre(vcpu);
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break;
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case XOP_TLBWE:
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emulated = kvmppc_e500_emul_tlbwe(vcpu);
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break;
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case XOP_TLBSX:
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rb = get_rb(inst);
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emulated = kvmppc_e500_emul_tlbsx(vcpu,rb);
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break;
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case XOP_TLBIVAX:
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ra = get_ra(inst);
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rb = get_rb(inst);
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emulated = kvmppc_e500_emul_tlbivax(vcpu, ra, rb);
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break;
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default:
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emulated = EMULATE_FAIL;
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}
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break;
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default:
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emulated = EMULATE_FAIL;
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}
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if (emulated == EMULATE_FAIL)
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emulated = kvmppc_booke_emulate_op(run, vcpu, inst, advance);
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return emulated;
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}
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int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)
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{
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struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
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int emulated = EMULATE_DONE;
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switch (sprn) {
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case SPRN_PID:
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vcpu_e500->pid[0] = vcpu->arch.shadow_pid =
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vcpu->arch.pid = vcpu->arch.gpr[rs];
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break;
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case SPRN_PID1:
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vcpu_e500->pid[1] = vcpu->arch.gpr[rs]; break;
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case SPRN_PID2:
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vcpu_e500->pid[2] = vcpu->arch.gpr[rs]; break;
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case SPRN_MAS0:
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vcpu_e500->mas0 = vcpu->arch.gpr[rs]; break;
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case SPRN_MAS1:
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vcpu_e500->mas1 = vcpu->arch.gpr[rs]; break;
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case SPRN_MAS2:
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vcpu_e500->mas2 = vcpu->arch.gpr[rs]; break;
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case SPRN_MAS3:
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vcpu_e500->mas3 = vcpu->arch.gpr[rs]; break;
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case SPRN_MAS4:
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vcpu_e500->mas4 = vcpu->arch.gpr[rs]; break;
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case SPRN_MAS6:
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vcpu_e500->mas6 = vcpu->arch.gpr[rs]; break;
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case SPRN_MAS7:
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vcpu_e500->mas7 = vcpu->arch.gpr[rs]; break;
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case SPRN_L1CSR1:
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vcpu_e500->l1csr1 = vcpu->arch.gpr[rs]; break;
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case SPRN_HID0:
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vcpu_e500->hid0 = vcpu->arch.gpr[rs]; break;
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case SPRN_HID1:
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vcpu_e500->hid1 = vcpu->arch.gpr[rs]; break;
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case SPRN_MMUCSR0:
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emulated = kvmppc_e500_emul_mt_mmucsr0(vcpu_e500,
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vcpu->arch.gpr[rs]);
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break;
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/* extra exceptions */
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case SPRN_IVOR32:
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vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL] = vcpu->arch.gpr[rs];
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break;
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case SPRN_IVOR33:
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vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_DATA] = vcpu->arch.gpr[rs];
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break;
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case SPRN_IVOR34:
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vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_ROUND] = vcpu->arch.gpr[rs];
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break;
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case SPRN_IVOR35:
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vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR] = vcpu->arch.gpr[rs];
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break;
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default:
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emulated = kvmppc_booke_emulate_mtspr(vcpu, sprn, rs);
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}
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return emulated;
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}
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int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)
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{
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struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
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int emulated = EMULATE_DONE;
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switch (sprn) {
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case SPRN_PID:
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vcpu->arch.gpr[rt] = vcpu_e500->pid[0]; break;
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case SPRN_PID1:
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vcpu->arch.gpr[rt] = vcpu_e500->pid[1]; break;
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case SPRN_PID2:
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vcpu->arch.gpr[rt] = vcpu_e500->pid[2]; break;
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case SPRN_MAS0:
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vcpu->arch.gpr[rt] = vcpu_e500->mas0; break;
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case SPRN_MAS1:
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vcpu->arch.gpr[rt] = vcpu_e500->mas1; break;
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case SPRN_MAS2:
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vcpu->arch.gpr[rt] = vcpu_e500->mas2; break;
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case SPRN_MAS3:
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vcpu->arch.gpr[rt] = vcpu_e500->mas3; break;
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case SPRN_MAS4:
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vcpu->arch.gpr[rt] = vcpu_e500->mas4; break;
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case SPRN_MAS6:
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vcpu->arch.gpr[rt] = vcpu_e500->mas6; break;
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case SPRN_MAS7:
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vcpu->arch.gpr[rt] = vcpu_e500->mas7; break;
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case SPRN_TLB0CFG:
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vcpu->arch.gpr[rt] = mfspr(SPRN_TLB0CFG);
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vcpu->arch.gpr[rt] &= ~0xfffUL;
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vcpu->arch.gpr[rt] |= vcpu_e500->guest_tlb_size[0];
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break;
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case SPRN_TLB1CFG:
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vcpu->arch.gpr[rt] = mfspr(SPRN_TLB1CFG);
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vcpu->arch.gpr[rt] &= ~0xfffUL;
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vcpu->arch.gpr[rt] |= vcpu_e500->guest_tlb_size[1];
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break;
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case SPRN_L1CSR1:
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vcpu->arch.gpr[rt] = vcpu_e500->l1csr1; break;
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case SPRN_HID0:
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vcpu->arch.gpr[rt] = vcpu_e500->hid0; break;
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case SPRN_HID1:
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vcpu->arch.gpr[rt] = vcpu_e500->hid1; break;
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case SPRN_MMUCSR0:
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vcpu->arch.gpr[rt] = 0; break;
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case SPRN_MMUCFG:
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vcpu->arch.gpr[rt] = mfspr(SPRN_MMUCFG); break;
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/* extra exceptions */
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case SPRN_IVOR32:
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vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL];
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break;
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case SPRN_IVOR33:
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vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_DATA];
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break;
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case SPRN_IVOR34:
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vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_ROUND];
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break;
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case SPRN_IVOR35:
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vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR];
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break;
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default:
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emulated = kvmppc_booke_emulate_mfspr(vcpu, sprn, rt);
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}
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return emulated;
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}
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