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review.evervolv.com / android_kernel_oneplus_msm8996 / 8fdd21a26876ea6c486c38bfa75fdd18ba299351 / . / arch / powerpc / kvm / e500_emulate.c
blob: c80794d097d33cd911791da6a66ff7475dca3c02 [file] [log] [blame]
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]1/*
Scott Wood5ce941e2011-04-27 17:24:21 -0500[diff] [blame]2 * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All rights reserved.
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]3 *
4 * Author: Yu Liu, <yu.liu@freescale.com>
5 *
6 * Description:
7 * This file is derived from arch/powerpc/kvm/44x_emulate.c,
8 * by Hollis Blanchard <hollisb@us.ibm.com>.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License, version 2, as
12 * published by the Free Software Foundation.
13 */
14
15#include <asm/kvm_ppc.h>
16#include <asm/disassemble.h>
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]17
18#include "booke.h"
Scott Wood29a5a6f2011-12-20 15:34:29 +0000[diff] [blame]19#include "e500.h"
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]20
21#define XOP_TLBIVAX 786
22#define XOP_TLBSX 914
23#define XOP_TLBRE 946
24#define XOP_TLBWE 978
25
26int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
27 unsigned int inst, int *advance)
28{
29 int emulated = EMULATE_DONE;
30 int ra;
31 int rb;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]32
33 switch (get_op(inst)) {
34 case 31:
35 switch (get_xop(inst)) {
36
37 case XOP_TLBRE:
38 emulated = kvmppc_e500_emul_tlbre(vcpu);
39 break;
40
41 case XOP_TLBWE:
42 emulated = kvmppc_e500_emul_tlbwe(vcpu);
43 break;
44
45 case XOP_TLBSX:
46 rb = get_rb(inst);
47 emulated = kvmppc_e500_emul_tlbsx(vcpu,rb);
48 break;
49
50 case XOP_TLBIVAX:
51 ra = get_ra(inst);
52 rb = get_rb(inst);
53 emulated = kvmppc_e500_emul_tlbivax(vcpu, ra, rb);
54 break;
55
56 default:
57 emulated = EMULATE_FAIL;
58 }
59
60 break;
61
62 default:
63 emulated = EMULATE_FAIL;
64 }
65
66 if (emulated == EMULATE_FAIL)
67 emulated = kvmppc_booke_emulate_op(run, vcpu, inst, advance);
68
69 return emulated;
70}
71
72int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)
73{
74 struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
75 int emulated = EMULATE_DONE;
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]76 ulong spr_val = kvmppc_get_gpr(vcpu, rs);
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]77
78 switch (sprn) {
79 case SPRN_PID:
Scott Wood5ce941e2011-04-27 17:24:21 -0500[diff] [blame]80 kvmppc_set_pid(vcpu, spr_val);
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]81 break;
82 case SPRN_PID1:
Liu Yudd9ebf1f2011-06-14 18:35:14 -0500[diff] [blame]83 if (spr_val != 0)
84 return EMULATE_FAIL;
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]85 vcpu_e500->pid[1] = spr_val; break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]86 case SPRN_PID2:
Liu Yudd9ebf1f2011-06-14 18:35:14 -0500[diff] [blame]87 if (spr_val != 0)
88 return EMULATE_FAIL;
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]89 vcpu_e500->pid[2] = spr_val; break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]90 case SPRN_MAS0:
Scott Woodb5904972011-11-08 18:23:30 -0600[diff] [blame]91 vcpu->arch.shared->mas0 = spr_val; break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]92 case SPRN_MAS1:
Scott Woodb5904972011-11-08 18:23:30 -0600[diff] [blame]93 vcpu->arch.shared->mas1 = spr_val; break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]94 case SPRN_MAS2:
Scott Woodb5904972011-11-08 18:23:30 -0600[diff] [blame]95 vcpu->arch.shared->mas2 = spr_val; break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]96 case SPRN_MAS3:
Scott Woodb5904972011-11-08 18:23:30 -0600[diff] [blame]97 vcpu->arch.shared->mas7_3 &= ~(u64)0xffffffff;
98 vcpu->arch.shared->mas7_3 |= spr_val;
Scott Wooddc83b8b2011-08-18 15:25:21 -0500[diff] [blame]99 break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]100 case SPRN_MAS4:
Scott Woodb5904972011-11-08 18:23:30 -0600[diff] [blame]101 vcpu->arch.shared->mas4 = spr_val; break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]102 case SPRN_MAS6:
Scott Woodb5904972011-11-08 18:23:30 -0600[diff] [blame]103 vcpu->arch.shared->mas6 = spr_val; break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]104 case SPRN_MAS7:
Scott Woodb5904972011-11-08 18:23:30 -0600[diff] [blame]105 vcpu->arch.shared->mas7_3 &= (u64)0xffffffff;
106 vcpu->arch.shared->mas7_3 |= (u64)spr_val << 32;
Scott Wooddc83b8b2011-08-18 15:25:21 -0500[diff] [blame]107 break;
Liu Yud86be072010-01-22 18:50:29 +0800[diff] [blame]108 case SPRN_L1CSR0:
109 vcpu_e500->l1csr0 = spr_val;
110 vcpu_e500->l1csr0 &= ~(L1CSR0_DCFI | L1CSR0_CLFC);
111 break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]112 case SPRN_L1CSR1:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]113 vcpu_e500->l1csr1 = spr_val; break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]114 case SPRN_HID0:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]115 vcpu_e500->hid0 = spr_val; break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]116 case SPRN_HID1:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]117 vcpu_e500->hid1 = spr_val; break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]118
Liu Yub0a18352009-02-17 16:52:08 +0800[diff] [blame]119 case SPRN_MMUCSR0:
120 emulated = kvmppc_e500_emul_mt_mmucsr0(vcpu_e500,
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]121 spr_val);
Liu Yub0a18352009-02-17 16:52:08 +0800[diff] [blame]122 break;
123
Hollis Blanchardbb3a8a12009-01-03 16:23:13 -0600[diff] [blame]124 /* extra exceptions */
125 case SPRN_IVOR32:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]126 vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL] = spr_val;
Hollis Blanchardbb3a8a12009-01-03 16:23:13 -0600[diff] [blame]127 break;
128 case SPRN_IVOR33:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]129 vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_DATA] = spr_val;
Hollis Blanchardbb3a8a12009-01-03 16:23:13 -0600[diff] [blame]130 break;
131 case SPRN_IVOR34:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]132 vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_ROUND] = spr_val;
Hollis Blanchardbb3a8a12009-01-03 16:23:13 -0600[diff] [blame]133 break;
134 case SPRN_IVOR35:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]135 vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR] = spr_val;
Hollis Blanchardbb3a8a12009-01-03 16:23:13 -0600[diff] [blame]136 break;
137
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]138 default:
139 emulated = kvmppc_booke_emulate_mtspr(vcpu, sprn, rs);
140 }
141
142 return emulated;
143}
144
145int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)
146{
147 struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
148 int emulated = EMULATE_DONE;
Scott Woodb5904972011-11-08 18:23:30 -0600[diff] [blame]149 unsigned long val;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]150
151 switch (sprn) {
152 case SPRN_PID:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]153 kvmppc_set_gpr(vcpu, rt, vcpu_e500->pid[0]); break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]154 case SPRN_PID1:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]155 kvmppc_set_gpr(vcpu, rt, vcpu_e500->pid[1]); break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]156 case SPRN_PID2:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]157 kvmppc_set_gpr(vcpu, rt, vcpu_e500->pid[2]); break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]158 case SPRN_MAS0:
Scott Woodb5904972011-11-08 18:23:30 -0600[diff] [blame]159 kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->mas0); break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]160 case SPRN_MAS1:
Scott Woodb5904972011-11-08 18:23:30 -0600[diff] [blame]161 kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->mas1); break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]162 case SPRN_MAS2:
Scott Woodb5904972011-11-08 18:23:30 -0600[diff] [blame]163 kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->mas2); break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]164 case SPRN_MAS3:
Scott Woodb5904972011-11-08 18:23:30 -0600[diff] [blame]165 val = (u32)vcpu->arch.shared->mas7_3;
166 kvmppc_set_gpr(vcpu, rt, val);
167 break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]168 case SPRN_MAS4:
Scott Woodb5904972011-11-08 18:23:30 -0600[diff] [blame]169 kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->mas4); break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]170 case SPRN_MAS6:
Scott Woodb5904972011-11-08 18:23:30 -0600[diff] [blame]171 kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->mas6); break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]172 case SPRN_MAS7:
Scott Woodb5904972011-11-08 18:23:30 -0600[diff] [blame]173 val = vcpu->arch.shared->mas7_3 >> 32;
174 kvmppc_set_gpr(vcpu, rt, val);
175 break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]176 case SPRN_TLB0CFG:
Scott Wood8fdd21a22011-12-20 15:34:34 +0000[diff] [blame^]177 kvmppc_set_gpr(vcpu, rt, vcpu->arch.tlbcfg[0]); break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]178 case SPRN_TLB1CFG:
Scott Wood8fdd21a22011-12-20 15:34:34 +0000[diff] [blame^]179 kvmppc_set_gpr(vcpu, rt, vcpu->arch.tlbcfg[1]); break;
Liu Yud86be072010-01-22 18:50:29 +0800[diff] [blame]180 case SPRN_L1CSR0:
181 kvmppc_set_gpr(vcpu, rt, vcpu_e500->l1csr0); break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]182 case SPRN_L1CSR1:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]183 kvmppc_set_gpr(vcpu, rt, vcpu_e500->l1csr1); break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]184 case SPRN_HID0:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]185 kvmppc_set_gpr(vcpu, rt, vcpu_e500->hid0); break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]186 case SPRN_HID1:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]187 kvmppc_set_gpr(vcpu, rt, vcpu_e500->hid1); break;
Scott Wood90d34b02011-03-29 16:49:10 -0500[diff] [blame]188 case SPRN_SVR:
189 kvmppc_set_gpr(vcpu, rt, vcpu_e500->svr); break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]190
Liu Yub0a18352009-02-17 16:52:08 +0800[diff] [blame]191 case SPRN_MMUCSR0:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]192 kvmppc_set_gpr(vcpu, rt, 0); break;
Liu Yub0a18352009-02-17 16:52:08 +0800[diff] [blame]193
Liu Yu06579dd2009-06-05 14:54:31 +0800[diff] [blame]194 case SPRN_MMUCFG:
Scott Wood8fdd21a22011-12-20 15:34:34 +0000[diff] [blame^]195 kvmppc_set_gpr(vcpu, rt, vcpu->arch.mmucfg); break;
Liu Yu06579dd2009-06-05 14:54:31 +0800[diff] [blame]196
Hollis Blanchardbb3a8a12009-01-03 16:23:13 -0600[diff] [blame]197 /* extra exceptions */
198 case SPRN_IVOR32:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]199 kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL]);
Hollis Blanchardbb3a8a12009-01-03 16:23:13 -0600[diff] [blame]200 break;
201 case SPRN_IVOR33:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]202 kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_DATA]);
Hollis Blanchardbb3a8a12009-01-03 16:23:13 -0600[diff] [blame]203 break;
204 case SPRN_IVOR34:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]205 kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_ROUND]);
Hollis Blanchardbb3a8a12009-01-03 16:23:13 -0600[diff] [blame]206 break;
207 case SPRN_IVOR35:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]208 kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR]);
Hollis Blanchardbb3a8a12009-01-03 16:23:13 -0600[diff] [blame]209 break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]210 default:
211 emulated = kvmppc_booke_emulate_mfspr(vcpu, sprn, rt);
212 }
213
214 return emulated;
215}
216