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gerrit-public.fairphone.software / kernel / msm-5.4 / 07fec1c2e75ef2f55d7a211414b0d63e185e84f0 / . / arch / powerpc / kvm / e500_emulate.c
blob: 95d886f461fb37e5f79c2c507626c8ce2faf4429 [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>
Alexander Graf4ab96912012-02-15 13:28:48 +0000[diff] [blame]17#include <asm/dbell.h>
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]18
19#include "booke.h"
Scott Wood29a5a6f2011-12-20 15:34:29 +0000[diff] [blame]20#include "e500.h"
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]21
Alexander Graf4ab96912012-02-15 13:28:48 +0000[diff] [blame]22#define XOP_MSGSND 206
23#define XOP_MSGCLR 238
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]24#define XOP_TLBIVAX 786
25#define XOP_TLBSX 914
26#define XOP_TLBRE 946
27#define XOP_TLBWE 978
Scott Woodab9fc402011-12-20 15:34:39 +0000[diff] [blame]28#define XOP_TLBILX 18
Bharat Bhushanb12c7842013-07-04 12:27:45 +0530[diff] [blame]29#define XOP_EHPRIV 270
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]30
Alexander Graf4ab96912012-02-15 13:28:48 +0000[diff] [blame]31#ifdef CONFIG_KVM_E500MC
32static int dbell2prio(ulong param)
33{
34 int msg = param & PPC_DBELL_TYPE_MASK;
35 int prio = -1;
36
37 switch (msg) {
38 case PPC_DBELL_TYPE(PPC_DBELL):
39 prio = BOOKE_IRQPRIO_DBELL;
40 break;
41 case PPC_DBELL_TYPE(PPC_DBELL_CRIT):
42 prio = BOOKE_IRQPRIO_DBELL_CRIT;
43 break;
44 default:
45 break;
46 }
47
48 return prio;
49}
50
51static int kvmppc_e500_emul_msgclr(struct kvm_vcpu *vcpu, int rb)
52{
53 ulong param = vcpu->arch.gpr[rb];
54 int prio = dbell2prio(param);
55
56 if (prio < 0)
57 return EMULATE_FAIL;
58
59 clear_bit(prio, &vcpu->arch.pending_exceptions);
60 return EMULATE_DONE;
61}
62
63static int kvmppc_e500_emul_msgsnd(struct kvm_vcpu *vcpu, int rb)
64{
65 ulong param = vcpu->arch.gpr[rb];
66 int prio = dbell2prio(rb);
67 int pir = param & PPC_DBELL_PIR_MASK;
68 int i;
69 struct kvm_vcpu *cvcpu;
70
71 if (prio < 0)
72 return EMULATE_FAIL;
73
74 kvm_for_each_vcpu(i, cvcpu, vcpu->kvm) {
75 int cpir = cvcpu->arch.shared->pir;
76 if ((param & PPC_DBELL_MSG_BRDCAST) || (cpir == pir)) {
77 set_bit(prio, &cvcpu->arch.pending_exceptions);
78 kvm_vcpu_kick(cvcpu);
79 }
80 }
81
82 return EMULATE_DONE;
83}
84#endif
85
Bharat Bhushanb12c7842013-07-04 12:27:45 +0530[diff] [blame]86static int kvmppc_e500_emul_ehpriv(struct kvm_run *run, struct kvm_vcpu *vcpu,
87 unsigned int inst, int *advance)
88{
89 int emulated = EMULATE_DONE;
90
91 switch (get_oc(inst)) {
92 case EHPRIV_OC_DEBUG:
93 run->exit_reason = KVM_EXIT_DEBUG;
94 run->debug.arch.address = vcpu->arch.pc;
95 run->debug.arch.status = 0;
96 kvmppc_account_exit(vcpu, DEBUG_EXITS);
97 emulated = EMULATE_EXIT_USER;
98 *advance = 0;
99 break;
100 default:
101 emulated = EMULATE_FAIL;
102 }
103 return emulated;
104}
105
Aneesh Kumar K.V3a167bea2013-10-07 22:17:53 +0530[diff] [blame]106int kvmppc_core_emulate_op_e500(struct kvm_run *run, struct kvm_vcpu *vcpu,
107 unsigned int inst, int *advance)
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]108{
109 int emulated = EMULATE_DONE;
Alexander Grafc46dc9a2012-05-04 14:01:33 +0200[diff] [blame]110 int ra = get_ra(inst);
111 int rb = get_rb(inst);
112 int rt = get_rt(inst);
Mihai Caraman7cdd7a92012-10-11 06:13:22 +0000[diff] [blame]113 gva_t ea;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]114
115 switch (get_op(inst)) {
116 case 31:
117 switch (get_xop(inst)) {
118
Alexander Graf4ab96912012-02-15 13:28:48 +0000[diff] [blame]119#ifdef CONFIG_KVM_E500MC
120 case XOP_MSGSND:
Alexander Grafc46dc9a2012-05-04 14:01:33 +0200[diff] [blame]121 emulated = kvmppc_e500_emul_msgsnd(vcpu, rb);
Alexander Graf4ab96912012-02-15 13:28:48 +0000[diff] [blame]122 break;
123
124 case XOP_MSGCLR:
Alexander Grafc46dc9a2012-05-04 14:01:33 +0200[diff] [blame]125 emulated = kvmppc_e500_emul_msgclr(vcpu, rb);
Alexander Graf4ab96912012-02-15 13:28:48 +0000[diff] [blame]126 break;
127#endif
128
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]129 case XOP_TLBRE:
130 emulated = kvmppc_e500_emul_tlbre(vcpu);
131 break;
132
133 case XOP_TLBWE:
134 emulated = kvmppc_e500_emul_tlbwe(vcpu);
135 break;
136
137 case XOP_TLBSX:
Mihai Caraman7cdd7a92012-10-11 06:13:22 +0000[diff] [blame]138 ea = kvmppc_get_ea_indexed(vcpu, ra, rb);
139 emulated = kvmppc_e500_emul_tlbsx(vcpu, ea);
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]140 break;
141
Mihai Caraman7cdd7a92012-10-11 06:13:22 +0000[diff] [blame]142 case XOP_TLBILX: {
143 int type = rt & 0x3;
144 ea = kvmppc_get_ea_indexed(vcpu, ra, rb);
145 emulated = kvmppc_e500_emul_tlbilx(vcpu, type, ea);
Scott Woodab9fc402011-12-20 15:34:39 +0000[diff] [blame]146 break;
Mihai Caraman7cdd7a92012-10-11 06:13:22 +0000[diff] [blame]147 }
Scott Woodab9fc402011-12-20 15:34:39 +0000[diff] [blame]148
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]149 case XOP_TLBIVAX:
Mihai Caraman7cdd7a92012-10-11 06:13:22 +0000[diff] [blame]150 ea = kvmppc_get_ea_indexed(vcpu, ra, rb);
151 emulated = kvmppc_e500_emul_tlbivax(vcpu, ea);
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]152 break;
153
Bharat Bhushanb12c7842013-07-04 12:27:45 +0530[diff] [blame]154 case XOP_EHPRIV:
155 emulated = kvmppc_e500_emul_ehpriv(run, vcpu, inst,
156 advance);
157 break;
158
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]159 default:
160 emulated = EMULATE_FAIL;
161 }
162
163 break;
164
165 default:
166 emulated = EMULATE_FAIL;
167 }
168
169 if (emulated == EMULATE_FAIL)
170 emulated = kvmppc_booke_emulate_op(run, vcpu, inst, advance);
171
172 return emulated;
173}
174
Aneesh Kumar K.V3a167bea2013-10-07 22:17:53 +0530[diff] [blame]175int kvmppc_core_emulate_mtspr_e500(struct kvm_vcpu *vcpu, int sprn, ulong spr_val)
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]176{
177 struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
178 int emulated = EMULATE_DONE;
179
180 switch (sprn) {
Scott Wood73196cd32011-12-20 15:34:47 +0000[diff] [blame]181#ifndef CONFIG_KVM_BOOKE_HV
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]182 case SPRN_PID:
Scott Wood5ce941e2011-04-27 17:24:21 -0500[diff] [blame]183 kvmppc_set_pid(vcpu, spr_val);
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]184 break;
185 case SPRN_PID1:
Liu Yudd9ebf1f2011-06-14 18:35:14 -0500[diff] [blame]186 if (spr_val != 0)
187 return EMULATE_FAIL;
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]188 vcpu_e500->pid[1] = spr_val;
189 break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]190 case SPRN_PID2:
Liu Yudd9ebf1f2011-06-14 18:35:14 -0500[diff] [blame]191 if (spr_val != 0)
192 return EMULATE_FAIL;
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]193 vcpu_e500->pid[2] = spr_val;
194 break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]195 case SPRN_MAS0:
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]196 vcpu->arch.shared->mas0 = spr_val;
197 break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]198 case SPRN_MAS1:
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]199 vcpu->arch.shared->mas1 = spr_val;
200 break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]201 case SPRN_MAS2:
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]202 vcpu->arch.shared->mas2 = spr_val;
203 break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]204 case SPRN_MAS3:
Scott Woodb5904972011-11-08 18:23:30 -0600[diff] [blame]205 vcpu->arch.shared->mas7_3 &= ~(u64)0xffffffff;
206 vcpu->arch.shared->mas7_3 |= spr_val;
Scott Wooddc83b8b2011-08-18 15:25:21 -0500[diff] [blame]207 break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]208 case SPRN_MAS4:
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]209 vcpu->arch.shared->mas4 = spr_val;
210 break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]211 case SPRN_MAS6:
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]212 vcpu->arch.shared->mas6 = spr_val;
213 break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]214 case SPRN_MAS7:
Scott Woodb5904972011-11-08 18:23:30 -0600[diff] [blame]215 vcpu->arch.shared->mas7_3 &= (u64)0xffffffff;
216 vcpu->arch.shared->mas7_3 |= (u64)spr_val << 32;
Scott Wooddc83b8b2011-08-18 15:25:21 -0500[diff] [blame]217 break;
Scott Wood73196cd32011-12-20 15:34:47 +0000[diff] [blame]218#endif
Liu Yud86be072010-01-22 18:50:29 +0800[diff] [blame]219 case SPRN_L1CSR0:
220 vcpu_e500->l1csr0 = spr_val;
221 vcpu_e500->l1csr0 &= ~(L1CSR0_DCFI | L1CSR0_CLFC);
222 break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]223 case SPRN_L1CSR1:
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]224 vcpu_e500->l1csr1 = spr_val;
Alexander Graf07fec1c2014-04-17 12:53:13 +0200[diff] [blame^]225 vcpu_e500->l1csr1 &= ~(L1CSR1_ICFI | L1CSR1_ICLFR);
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]226 break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]227 case SPRN_HID0:
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]228 vcpu_e500->hid0 = spr_val;
229 break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]230 case SPRN_HID1:
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]231 vcpu_e500->hid1 = spr_val;
232 break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]233
Liu Yub0a18352009-02-17 16:52:08 +0800[diff] [blame]234 case SPRN_MMUCSR0:
235 emulated = kvmppc_e500_emul_mt_mmucsr0(vcpu_e500,
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]236 spr_val);
Liu Yub0a18352009-02-17 16:52:08 +0800[diff] [blame]237 break;
238
Hollis Blanchardbb3a8a12009-01-03 16:23:13 -0600[diff] [blame]239 /* extra exceptions */
240 case SPRN_IVOR32:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]241 vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL] = spr_val;
Hollis Blanchardbb3a8a12009-01-03 16:23:13 -0600[diff] [blame]242 break;
243 case SPRN_IVOR33:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]244 vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_DATA] = spr_val;
Hollis Blanchardbb3a8a12009-01-03 16:23:13 -0600[diff] [blame]245 break;
246 case SPRN_IVOR34:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]247 vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_ROUND] = spr_val;
Hollis Blanchardbb3a8a12009-01-03 16:23:13 -0600[diff] [blame]248 break;
249 case SPRN_IVOR35:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]250 vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR] = spr_val;
Hollis Blanchardbb3a8a12009-01-03 16:23:13 -0600[diff] [blame]251 break;
Scott Wood73196cd32011-12-20 15:34:47 +0000[diff] [blame]252#ifdef CONFIG_KVM_BOOKE_HV
253 case SPRN_IVOR36:
254 vcpu->arch.ivor[BOOKE_IRQPRIO_DBELL] = spr_val;
255 break;
256 case SPRN_IVOR37:
257 vcpu->arch.ivor[BOOKE_IRQPRIO_DBELL_CRIT] = spr_val;
258 break;
259#endif
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]260 default:
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]261 emulated = kvmppc_booke_emulate_mtspr(vcpu, sprn, spr_val);
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]262 }
263
264 return emulated;
265}
266
Aneesh Kumar K.V3a167bea2013-10-07 22:17:53 +0530[diff] [blame]267int kvmppc_core_emulate_mfspr_e500(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val)
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]268{
269 struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
270 int emulated = EMULATE_DONE;
271
272 switch (sprn) {
Scott Wood73196cd32011-12-20 15:34:47 +0000[diff] [blame]273#ifndef CONFIG_KVM_BOOKE_HV
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]274 case SPRN_PID:
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]275 *spr_val = vcpu_e500->pid[0];
276 break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]277 case SPRN_PID1:
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]278 *spr_val = vcpu_e500->pid[1];
279 break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]280 case SPRN_PID2:
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]281 *spr_val = vcpu_e500->pid[2];
282 break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]283 case SPRN_MAS0:
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]284 *spr_val = vcpu->arch.shared->mas0;
285 break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]286 case SPRN_MAS1:
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]287 *spr_val = vcpu->arch.shared->mas1;
288 break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]289 case SPRN_MAS2:
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]290 *spr_val = vcpu->arch.shared->mas2;
291 break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]292 case SPRN_MAS3:
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]293 *spr_val = (u32)vcpu->arch.shared->mas7_3;
Scott Woodb5904972011-11-08 18:23:30 -0600[diff] [blame]294 break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]295 case SPRN_MAS4:
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]296 *spr_val = vcpu->arch.shared->mas4;
297 break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]298 case SPRN_MAS6:
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]299 *spr_val = vcpu->arch.shared->mas6;
300 break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]301 case SPRN_MAS7:
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]302 *spr_val = vcpu->arch.shared->mas7_3 >> 32;
Scott Woodb5904972011-11-08 18:23:30 -0600[diff] [blame]303 break;
Scott Wood73196cd32011-12-20 15:34:47 +0000[diff] [blame]304#endif
Bharat Bhushan21bd0002012-05-20 23:21:23 +0000[diff] [blame]305 case SPRN_DECAR:
306 *spr_val = vcpu->arch.decar;
307 break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]308 case SPRN_TLB0CFG:
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]309 *spr_val = vcpu->arch.tlbcfg[0];
310 break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]311 case SPRN_TLB1CFG:
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]312 *spr_val = vcpu->arch.tlbcfg[1];
313 break;
Mihai Caraman307d9002013-04-11 00:03:10 +0000[diff] [blame]314 case SPRN_TLB0PS:
315 if (!has_feature(vcpu, VCPU_FTR_MMU_V2))
316 return EMULATE_FAIL;
317 *spr_val = vcpu->arch.tlbps[0];
318 break;
319 case SPRN_TLB1PS:
320 if (!has_feature(vcpu, VCPU_FTR_MMU_V2))
321 return EMULATE_FAIL;
322 *spr_val = vcpu->arch.tlbps[1];
323 break;
Liu Yud86be072010-01-22 18:50:29 +0800[diff] [blame]324 case SPRN_L1CSR0:
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]325 *spr_val = vcpu_e500->l1csr0;
326 break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]327 case SPRN_L1CSR1:
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]328 *spr_val = vcpu_e500->l1csr1;
329 break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]330 case SPRN_HID0:
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]331 *spr_val = vcpu_e500->hid0;
332 break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]333 case SPRN_HID1:
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]334 *spr_val = vcpu_e500->hid1;
335 break;
Scott Wood90d34b02011-03-29 16:49:10 -0500[diff] [blame]336 case SPRN_SVR:
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]337 *spr_val = vcpu_e500->svr;
338 break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]339
Liu Yub0a18352009-02-17 16:52:08 +0800[diff] [blame]340 case SPRN_MMUCSR0:
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]341 *spr_val = 0;
342 break;
Liu Yub0a18352009-02-17 16:52:08 +0800[diff] [blame]343
Liu Yu06579dd2009-06-05 14:54:31 +0800[diff] [blame]344 case SPRN_MMUCFG:
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]345 *spr_val = vcpu->arch.mmucfg;
346 break;
Mihai Caraman9a6061d2013-04-11 00:03:11 +0000[diff] [blame]347 case SPRN_EPTCFG:
348 if (!has_feature(vcpu, VCPU_FTR_MMU_V2))
349 return EMULATE_FAIL;
350 /*
351 * Legacy Linux guests access EPTCFG register even if the E.PT
352 * category is disabled in the VM. Give them a chance to live.
353 */
354 *spr_val = vcpu->arch.eptcfg;
355 break;
Liu Yu06579dd2009-06-05 14:54:31 +0800[diff] [blame]356
Hollis Blanchardbb3a8a12009-01-03 16:23:13 -0600[diff] [blame]357 /* extra exceptions */
358 case SPRN_IVOR32:
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]359 *spr_val = vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL];
Hollis Blanchardbb3a8a12009-01-03 16:23:13 -0600[diff] [blame]360 break;
361 case SPRN_IVOR33:
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]362 *spr_val = vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_DATA];
Hollis Blanchardbb3a8a12009-01-03 16:23:13 -0600[diff] [blame]363 break;
364 case SPRN_IVOR34:
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]365 *spr_val = vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_ROUND];
Hollis Blanchardbb3a8a12009-01-03 16:23:13 -0600[diff] [blame]366 break;
367 case SPRN_IVOR35:
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]368 *spr_val = vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR];
Hollis Blanchardbb3a8a12009-01-03 16:23:13 -0600[diff] [blame]369 break;
Scott Wood73196cd32011-12-20 15:34:47 +0000[diff] [blame]370#ifdef CONFIG_KVM_BOOKE_HV
371 case SPRN_IVOR36:
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]372 *spr_val = vcpu->arch.ivor[BOOKE_IRQPRIO_DBELL];
Scott Wood73196cd32011-12-20 15:34:47 +0000[diff] [blame]373 break;
374 case SPRN_IVOR37:
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]375 *spr_val = vcpu->arch.ivor[BOOKE_IRQPRIO_DBELL_CRIT];
Scott Wood73196cd32011-12-20 15:34:47 +0000[diff] [blame]376 break;
377#endif
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]378 default:
Alexander Graf54771e62012-05-04 14:55:12 +0200[diff] [blame]379 emulated = kvmppc_booke_emulate_mfspr(vcpu, sprn, spr_val);
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]380 }
381
382 return emulated;
383}
384