2009-01-03 15:23:10 -07:00
|
|
|
/*
|
2011-04-27 16:24:21 -06:00
|
|
|
* Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All rights reserved.
|
2009-01-03 15:23:10 -07:00
|
|
|
*
|
|
|
|
* Author: Yu Liu, <yu.liu@freescale.com>
|
|
|
|
*
|
|
|
|
* Description:
|
|
|
|
* This file is derived from arch/powerpc/kvm/44x_emulate.c,
|
|
|
|
* by Hollis Blanchard <hollisb@us.ibm.com>.
|
|
|
|
*
|
|
|
|
* This program is free software; you can redistribute it and/or modify
|
|
|
|
* it under the terms of the GNU General Public License, version 2, as
|
|
|
|
* published by the Free Software Foundation.
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include <asm/kvm_ppc.h>
|
|
|
|
#include <asm/disassemble.h>
|
|
|
|
#include <asm/kvm_e500.h>
|
|
|
|
|
|
|
|
#include "booke.h"
|
|
|
|
#include "e500_tlb.h"
|
|
|
|
|
|
|
|
#define XOP_TLBIVAX 786
|
|
|
|
#define XOP_TLBSX 914
|
|
|
|
#define XOP_TLBRE 946
|
|
|
|
#define XOP_TLBWE 978
|
|
|
|
|
|
|
|
int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
|
|
|
|
unsigned int inst, int *advance)
|
|
|
|
{
|
|
|
|
int emulated = EMULATE_DONE;
|
|
|
|
int ra;
|
|
|
|
int rb;
|
|
|
|
|
|
|
|
switch (get_op(inst)) {
|
|
|
|
case 31:
|
|
|
|
switch (get_xop(inst)) {
|
|
|
|
|
|
|
|
case XOP_TLBRE:
|
|
|
|
emulated = kvmppc_e500_emul_tlbre(vcpu);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case XOP_TLBWE:
|
|
|
|
emulated = kvmppc_e500_emul_tlbwe(vcpu);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case XOP_TLBSX:
|
|
|
|
rb = get_rb(inst);
|
|
|
|
emulated = kvmppc_e500_emul_tlbsx(vcpu,rb);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case XOP_TLBIVAX:
|
|
|
|
ra = get_ra(inst);
|
|
|
|
rb = get_rb(inst);
|
|
|
|
emulated = kvmppc_e500_emul_tlbivax(vcpu, ra, rb);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
emulated = EMULATE_FAIL;
|
|
|
|
}
|
|
|
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
emulated = EMULATE_FAIL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (emulated == EMULATE_FAIL)
|
|
|
|
emulated = kvmppc_booke_emulate_op(run, vcpu, inst, advance);
|
|
|
|
|
|
|
|
return emulated;
|
|
|
|
}
|
|
|
|
|
|
|
|
int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)
|
|
|
|
{
|
|
|
|
struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
|
|
|
|
int emulated = EMULATE_DONE;
|
2010-01-07 18:58:01 -07:00
|
|
|
ulong spr_val = kvmppc_get_gpr(vcpu, rs);
|
2009-01-03 15:23:10 -07:00
|
|
|
|
|
|
|
switch (sprn) {
|
|
|
|
case SPRN_PID:
|
2011-04-27 16:24:21 -06:00
|
|
|
kvmppc_set_pid(vcpu, spr_val);
|
2009-01-03 15:23:10 -07:00
|
|
|
break;
|
|
|
|
case SPRN_PID1:
|
2011-06-14 17:35:14 -06:00
|
|
|
if (spr_val != 0)
|
|
|
|
return EMULATE_FAIL;
|
2010-01-07 18:58:01 -07:00
|
|
|
vcpu_e500->pid[1] = spr_val; break;
|
2009-01-03 15:23:10 -07:00
|
|
|
case SPRN_PID2:
|
2011-06-14 17:35:14 -06:00
|
|
|
if (spr_val != 0)
|
|
|
|
return EMULATE_FAIL;
|
2010-01-07 18:58:01 -07:00
|
|
|
vcpu_e500->pid[2] = spr_val; break;
|
2009-01-03 15:23:10 -07:00
|
|
|
case SPRN_MAS0:
|
2010-01-07 18:58:01 -07:00
|
|
|
vcpu_e500->mas0 = spr_val; break;
|
2009-01-03 15:23:10 -07:00
|
|
|
case SPRN_MAS1:
|
2010-01-07 18:58:01 -07:00
|
|
|
vcpu_e500->mas1 = spr_val; break;
|
2009-01-03 15:23:10 -07:00
|
|
|
case SPRN_MAS2:
|
2010-01-07 18:58:01 -07:00
|
|
|
vcpu_e500->mas2 = spr_val; break;
|
2009-01-03 15:23:10 -07:00
|
|
|
case SPRN_MAS3:
|
2010-01-07 18:58:01 -07:00
|
|
|
vcpu_e500->mas3 = spr_val; break;
|
2009-01-03 15:23:10 -07:00
|
|
|
case SPRN_MAS4:
|
2010-01-07 18:58:01 -07:00
|
|
|
vcpu_e500->mas4 = spr_val; break;
|
2009-01-03 15:23:10 -07:00
|
|
|
case SPRN_MAS6:
|
2010-01-07 18:58:01 -07:00
|
|
|
vcpu_e500->mas6 = spr_val; break;
|
2009-01-03 15:23:10 -07:00
|
|
|
case SPRN_MAS7:
|
2010-01-07 18:58:01 -07:00
|
|
|
vcpu_e500->mas7 = spr_val; break;
|
2010-01-22 03:50:29 -07:00
|
|
|
case SPRN_L1CSR0:
|
|
|
|
vcpu_e500->l1csr0 = spr_val;
|
|
|
|
vcpu_e500->l1csr0 &= ~(L1CSR0_DCFI | L1CSR0_CLFC);
|
|
|
|
break;
|
2009-01-03 15:23:10 -07:00
|
|
|
case SPRN_L1CSR1:
|
2010-01-07 18:58:01 -07:00
|
|
|
vcpu_e500->l1csr1 = spr_val; break;
|
2009-01-03 15:23:10 -07:00
|
|
|
case SPRN_HID0:
|
2010-01-07 18:58:01 -07:00
|
|
|
vcpu_e500->hid0 = spr_val; break;
|
2009-01-03 15:23:10 -07:00
|
|
|
case SPRN_HID1:
|
2010-01-07 18:58:01 -07:00
|
|
|
vcpu_e500->hid1 = spr_val; break;
|
2009-01-03 15:23:10 -07:00
|
|
|
|
2009-02-17 01:52:08 -07:00
|
|
|
case SPRN_MMUCSR0:
|
|
|
|
emulated = kvmppc_e500_emul_mt_mmucsr0(vcpu_e500,
|
2010-01-07 18:58:01 -07:00
|
|
|
spr_val);
|
2009-02-17 01:52:08 -07:00
|
|
|
break;
|
|
|
|
|
2009-01-03 15:23:13 -07:00
|
|
|
/* extra exceptions */
|
|
|
|
case SPRN_IVOR32:
|
2010-01-07 18:58:01 -07:00
|
|
|
vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL] = spr_val;
|
2009-01-03 15:23:13 -07:00
|
|
|
break;
|
|
|
|
case SPRN_IVOR33:
|
2010-01-07 18:58:01 -07:00
|
|
|
vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_DATA] = spr_val;
|
2009-01-03 15:23:13 -07:00
|
|
|
break;
|
|
|
|
case SPRN_IVOR34:
|
2010-01-07 18:58:01 -07:00
|
|
|
vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_ROUND] = spr_val;
|
2009-01-03 15:23:13 -07:00
|
|
|
break;
|
|
|
|
case SPRN_IVOR35:
|
2010-01-07 18:58:01 -07:00
|
|
|
vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR] = spr_val;
|
2009-01-03 15:23:13 -07:00
|
|
|
break;
|
|
|
|
|
2009-01-03 15:23:10 -07:00
|
|
|
default:
|
|
|
|
emulated = kvmppc_booke_emulate_mtspr(vcpu, sprn, rs);
|
|
|
|
}
|
|
|
|
|
|
|
|
return emulated;
|
|
|
|
}
|
|
|
|
|
|
|
|
int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)
|
|
|
|
{
|
|
|
|
struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
|
|
|
|
int emulated = EMULATE_DONE;
|
|
|
|
|
|
|
|
switch (sprn) {
|
|
|
|
case SPRN_PID:
|
2010-01-07 18:58:01 -07:00
|
|
|
kvmppc_set_gpr(vcpu, rt, vcpu_e500->pid[0]); break;
|
2009-01-03 15:23:10 -07:00
|
|
|
case SPRN_PID1:
|
2010-01-07 18:58:01 -07:00
|
|
|
kvmppc_set_gpr(vcpu, rt, vcpu_e500->pid[1]); break;
|
2009-01-03 15:23:10 -07:00
|
|
|
case SPRN_PID2:
|
2010-01-07 18:58:01 -07:00
|
|
|
kvmppc_set_gpr(vcpu, rt, vcpu_e500->pid[2]); break;
|
2009-01-03 15:23:10 -07:00
|
|
|
case SPRN_MAS0:
|
2010-01-07 18:58:01 -07:00
|
|
|
kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas0); break;
|
2009-01-03 15:23:10 -07:00
|
|
|
case SPRN_MAS1:
|
2010-01-07 18:58:01 -07:00
|
|
|
kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas1); break;
|
2009-01-03 15:23:10 -07:00
|
|
|
case SPRN_MAS2:
|
2010-01-07 18:58:01 -07:00
|
|
|
kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas2); break;
|
2009-01-03 15:23:10 -07:00
|
|
|
case SPRN_MAS3:
|
2010-01-07 18:58:01 -07:00
|
|
|
kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas3); break;
|
2009-01-03 15:23:10 -07:00
|
|
|
case SPRN_MAS4:
|
2010-01-07 18:58:01 -07:00
|
|
|
kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas4); break;
|
2009-01-03 15:23:10 -07:00
|
|
|
case SPRN_MAS6:
|
2010-01-07 18:58:01 -07:00
|
|
|
kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas6); break;
|
2009-01-03 15:23:10 -07:00
|
|
|
case SPRN_MAS7:
|
2010-01-07 18:58:01 -07:00
|
|
|
kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas7); break;
|
2009-01-03 15:23:10 -07:00
|
|
|
|
|
|
|
case SPRN_TLB0CFG:
|
2010-01-22 04:36:53 -07:00
|
|
|
kvmppc_set_gpr(vcpu, rt, vcpu_e500->tlb0cfg); break;
|
2009-01-03 15:23:10 -07:00
|
|
|
case SPRN_TLB1CFG:
|
2010-01-22 04:36:53 -07:00
|
|
|
kvmppc_set_gpr(vcpu, rt, vcpu_e500->tlb1cfg); break;
|
2010-01-22 03:50:29 -07:00
|
|
|
case SPRN_L1CSR0:
|
|
|
|
kvmppc_set_gpr(vcpu, rt, vcpu_e500->l1csr0); break;
|
2009-01-03 15:23:10 -07:00
|
|
|
case SPRN_L1CSR1:
|
2010-01-07 18:58:01 -07:00
|
|
|
kvmppc_set_gpr(vcpu, rt, vcpu_e500->l1csr1); break;
|
2009-01-03 15:23:10 -07:00
|
|
|
case SPRN_HID0:
|
2010-01-07 18:58:01 -07:00
|
|
|
kvmppc_set_gpr(vcpu, rt, vcpu_e500->hid0); break;
|
2009-01-03 15:23:10 -07:00
|
|
|
case SPRN_HID1:
|
2010-01-07 18:58:01 -07:00
|
|
|
kvmppc_set_gpr(vcpu, rt, vcpu_e500->hid1); break;
|
2011-03-29 15:49:10 -06:00
|
|
|
case SPRN_SVR:
|
|
|
|
kvmppc_set_gpr(vcpu, rt, vcpu_e500->svr); break;
|
2009-01-03 15:23:10 -07:00
|
|
|
|
2009-02-17 01:52:08 -07:00
|
|
|
case SPRN_MMUCSR0:
|
2010-01-07 18:58:01 -07:00
|
|
|
kvmppc_set_gpr(vcpu, rt, 0); break;
|
2009-02-17 01:52:08 -07:00
|
|
|
|
2009-06-05 00:54:31 -06:00
|
|
|
case SPRN_MMUCFG:
|
2010-01-07 18:58:01 -07:00
|
|
|
kvmppc_set_gpr(vcpu, rt, mfspr(SPRN_MMUCFG)); break;
|
2009-06-05 00:54:31 -06:00
|
|
|
|
2009-01-03 15:23:13 -07:00
|
|
|
/* extra exceptions */
|
|
|
|
case SPRN_IVOR32:
|
2010-01-07 18:58:01 -07:00
|
|
|
kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL]);
|
2009-01-03 15:23:13 -07:00
|
|
|
break;
|
|
|
|
case SPRN_IVOR33:
|
2010-01-07 18:58:01 -07:00
|
|
|
kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_DATA]);
|
2009-01-03 15:23:13 -07:00
|
|
|
break;
|
|
|
|
case SPRN_IVOR34:
|
2010-01-07 18:58:01 -07:00
|
|
|
kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_ROUND]);
|
2009-01-03 15:23:13 -07:00
|
|
|
break;
|
|
|
|
case SPRN_IVOR35:
|
2010-01-07 18:58:01 -07:00
|
|
|
kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR]);
|
2009-01-03 15:23:13 -07:00
|
|
|
break;
|
2009-01-03 15:23:10 -07:00
|
|
|
default:
|
|
|
|
emulated = kvmppc_booke_emulate_mfspr(vcpu, sprn, rt);
|
|
|
|
}
|
|
|
|
|
|
|
|
return emulated;
|
|
|
|
}
|
|
|
|
|