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review.evervolv.com / android_kernel_oneplus_msm8996 / 73196cd364a2d972d73fa08da9d81ca3215bed68 / . / arch / powerpc / kvm / e500_emulate.c
blob: 98b6c1cd6b82439b099d841fb25c3b71130a6626 [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
Scott Woodab9fc402011-12-20 15:34:39 +0000[diff] [blame]25#define XOP_TLBILX 18
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]26
27int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
28 unsigned int inst, int *advance)
29{
30 int emulated = EMULATE_DONE;
31 int ra;
32 int rb;
Scott Woodab9fc402011-12-20 15:34:39 +0000[diff] [blame]33 int rt;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]34
35 switch (get_op(inst)) {
36 case 31:
37 switch (get_xop(inst)) {
38
39 case XOP_TLBRE:
40 emulated = kvmppc_e500_emul_tlbre(vcpu);
41 break;
42
43 case XOP_TLBWE:
44 emulated = kvmppc_e500_emul_tlbwe(vcpu);
45 break;
46
47 case XOP_TLBSX:
48 rb = get_rb(inst);
49 emulated = kvmppc_e500_emul_tlbsx(vcpu,rb);
50 break;
51
Scott Woodab9fc402011-12-20 15:34:39 +0000[diff] [blame]52 case XOP_TLBILX:
53 ra = get_ra(inst);
54 rb = get_rb(inst);
55 rt = get_rt(inst);
56 emulated = kvmppc_e500_emul_tlbilx(vcpu, rt, ra, rb);
57 break;
58
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]59 case XOP_TLBIVAX:
60 ra = get_ra(inst);
61 rb = get_rb(inst);
62 emulated = kvmppc_e500_emul_tlbivax(vcpu, ra, rb);
63 break;
64
65 default:
66 emulated = EMULATE_FAIL;
67 }
68
69 break;
70
71 default:
72 emulated = EMULATE_FAIL;
73 }
74
75 if (emulated == EMULATE_FAIL)
76 emulated = kvmppc_booke_emulate_op(run, vcpu, inst, advance);
77
78 return emulated;
79}
80
81int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)
82{
83 struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
84 int emulated = EMULATE_DONE;
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]85 ulong spr_val = kvmppc_get_gpr(vcpu, rs);
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]86
87 switch (sprn) {
Scott Wood73196cd2011-12-20 15:34:47 +0000[diff] [blame^]88#ifndef CONFIG_KVM_BOOKE_HV
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]89 case SPRN_PID:
Scott Wood5ce941e2011-04-27 17:24:21 -0500[diff] [blame]90 kvmppc_set_pid(vcpu, spr_val);
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]91 break;
92 case SPRN_PID1:
Liu Yudd9ebf1f2011-06-14 18:35:14 -0500[diff] [blame]93 if (spr_val != 0)
94 return EMULATE_FAIL;
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]95 vcpu_e500->pid[1] = spr_val; break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]96 case SPRN_PID2:
Liu Yudd9ebf1f2011-06-14 18:35:14 -0500[diff] [blame]97 if (spr_val != 0)
98 return EMULATE_FAIL;
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]99 vcpu_e500->pid[2] = spr_val; break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]100 case SPRN_MAS0:
Scott Woodb5904972011-11-08 18:23:30 -0600[diff] [blame]101 vcpu->arch.shared->mas0 = spr_val; break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]102 case SPRN_MAS1:
Scott Woodb5904972011-11-08 18:23:30 -0600[diff] [blame]103 vcpu->arch.shared->mas1 = spr_val; break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]104 case SPRN_MAS2:
Scott Woodb5904972011-11-08 18:23:30 -0600[diff] [blame]105 vcpu->arch.shared->mas2 = spr_val; break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]106 case SPRN_MAS3:
Scott Woodb5904972011-11-08 18:23:30 -0600[diff] [blame]107 vcpu->arch.shared->mas7_3 &= ~(u64)0xffffffff;
108 vcpu->arch.shared->mas7_3 |= spr_val;
Scott Wooddc83b8b2011-08-18 15:25:21 -0500[diff] [blame]109 break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]110 case SPRN_MAS4:
Scott Woodb5904972011-11-08 18:23:30 -0600[diff] [blame]111 vcpu->arch.shared->mas4 = spr_val; break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]112 case SPRN_MAS6:
Scott Woodb5904972011-11-08 18:23:30 -0600[diff] [blame]113 vcpu->arch.shared->mas6 = spr_val; break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]114 case SPRN_MAS7:
Scott Woodb5904972011-11-08 18:23:30 -0600[diff] [blame]115 vcpu->arch.shared->mas7_3 &= (u64)0xffffffff;
116 vcpu->arch.shared->mas7_3 |= (u64)spr_val << 32;
Scott Wooddc83b8b2011-08-18 15:25:21 -0500[diff] [blame]117 break;
Scott Wood73196cd2011-12-20 15:34:47 +0000[diff] [blame^]118#endif
Liu Yud86be072010-01-22 18:50:29 +0800[diff] [blame]119 case SPRN_L1CSR0:
120 vcpu_e500->l1csr0 = spr_val;
121 vcpu_e500->l1csr0 &= ~(L1CSR0_DCFI | L1CSR0_CLFC);
122 break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]123 case SPRN_L1CSR1:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]124 vcpu_e500->l1csr1 = spr_val; break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]125 case SPRN_HID0:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]126 vcpu_e500->hid0 = spr_val; break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]127 case SPRN_HID1:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]128 vcpu_e500->hid1 = spr_val; break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]129
Liu Yub0a18352009-02-17 16:52:08 +0800[diff] [blame]130 case SPRN_MMUCSR0:
131 emulated = kvmppc_e500_emul_mt_mmucsr0(vcpu_e500,
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]132 spr_val);
Liu Yub0a18352009-02-17 16:52:08 +0800[diff] [blame]133 break;
134
Hollis Blanchardbb3a8a12009-01-03 16:23:13 -0600[diff] [blame]135 /* extra exceptions */
136 case SPRN_IVOR32:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]137 vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL] = spr_val;
Hollis Blanchardbb3a8a12009-01-03 16:23:13 -0600[diff] [blame]138 break;
139 case SPRN_IVOR33:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]140 vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_DATA] = spr_val;
Hollis Blanchardbb3a8a12009-01-03 16:23:13 -0600[diff] [blame]141 break;
142 case SPRN_IVOR34:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]143 vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_ROUND] = spr_val;
Hollis Blanchardbb3a8a12009-01-03 16:23:13 -0600[diff] [blame]144 break;
145 case SPRN_IVOR35:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]146 vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR] = spr_val;
Hollis Blanchardbb3a8a12009-01-03 16:23:13 -0600[diff] [blame]147 break;
Scott Wood73196cd2011-12-20 15:34:47 +0000[diff] [blame^]148#ifdef CONFIG_KVM_BOOKE_HV
149 case SPRN_IVOR36:
150 vcpu->arch.ivor[BOOKE_IRQPRIO_DBELL] = spr_val;
151 break;
152 case SPRN_IVOR37:
153 vcpu->arch.ivor[BOOKE_IRQPRIO_DBELL_CRIT] = spr_val;
154 break;
155#endif
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]156 default:
157 emulated = kvmppc_booke_emulate_mtspr(vcpu, sprn, rs);
158 }
159
160 return emulated;
161}
162
163int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)
164{
165 struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
166 int emulated = EMULATE_DONE;
167
168 switch (sprn) {
Scott Wood73196cd2011-12-20 15:34:47 +0000[diff] [blame^]169#ifndef CONFIG_KVM_BOOKE_HV
170 unsigned long val;
171
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]172 case SPRN_PID:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]173 kvmppc_set_gpr(vcpu, rt, vcpu_e500->pid[0]); break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]174 case SPRN_PID1:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]175 kvmppc_set_gpr(vcpu, rt, vcpu_e500->pid[1]); break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]176 case SPRN_PID2:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]177 kvmppc_set_gpr(vcpu, rt, vcpu_e500->pid[2]); break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]178 case SPRN_MAS0:
Scott Woodb5904972011-11-08 18:23:30 -0600[diff] [blame]179 kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->mas0); break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]180 case SPRN_MAS1:
Scott Woodb5904972011-11-08 18:23:30 -0600[diff] [blame]181 kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->mas1); break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]182 case SPRN_MAS2:
Scott Woodb5904972011-11-08 18:23:30 -0600[diff] [blame]183 kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->mas2); break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]184 case SPRN_MAS3:
Scott Woodb5904972011-11-08 18:23:30 -0600[diff] [blame]185 val = (u32)vcpu->arch.shared->mas7_3;
186 kvmppc_set_gpr(vcpu, rt, val);
187 break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]188 case SPRN_MAS4:
Scott Woodb5904972011-11-08 18:23:30 -0600[diff] [blame]189 kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->mas4); break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]190 case SPRN_MAS6:
Scott Woodb5904972011-11-08 18:23:30 -0600[diff] [blame]191 kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->mas6); break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]192 case SPRN_MAS7:
Scott Woodb5904972011-11-08 18:23:30 -0600[diff] [blame]193 val = vcpu->arch.shared->mas7_3 >> 32;
194 kvmppc_set_gpr(vcpu, rt, val);
195 break;
Scott Wood73196cd2011-12-20 15:34:47 +0000[diff] [blame^]196#endif
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]197 case SPRN_TLB0CFG:
Scott Wood8fdd21a22011-12-20 15:34:34 +0000[diff] [blame]198 kvmppc_set_gpr(vcpu, rt, vcpu->arch.tlbcfg[0]); break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]199 case SPRN_TLB1CFG:
Scott Wood8fdd21a22011-12-20 15:34:34 +0000[diff] [blame]200 kvmppc_set_gpr(vcpu, rt, vcpu->arch.tlbcfg[1]); break;
Liu Yud86be072010-01-22 18:50:29 +0800[diff] [blame]201 case SPRN_L1CSR0:
202 kvmppc_set_gpr(vcpu, rt, vcpu_e500->l1csr0); break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]203 case SPRN_L1CSR1:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]204 kvmppc_set_gpr(vcpu, rt, vcpu_e500->l1csr1); break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]205 case SPRN_HID0:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]206 kvmppc_set_gpr(vcpu, rt, vcpu_e500->hid0); break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]207 case SPRN_HID1:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]208 kvmppc_set_gpr(vcpu, rt, vcpu_e500->hid1); break;
Scott Wood90d34b02011-03-29 16:49:10 -0500[diff] [blame]209 case SPRN_SVR:
210 kvmppc_set_gpr(vcpu, rt, vcpu_e500->svr); break;
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]211
Liu Yub0a18352009-02-17 16:52:08 +0800[diff] [blame]212 case SPRN_MMUCSR0:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]213 kvmppc_set_gpr(vcpu, rt, 0); break;
Liu Yub0a18352009-02-17 16:52:08 +0800[diff] [blame]214
Liu Yu06579dd2009-06-05 14:54:31 +0800[diff] [blame]215 case SPRN_MMUCFG:
Scott Wood8fdd21a22011-12-20 15:34:34 +0000[diff] [blame]216 kvmppc_set_gpr(vcpu, rt, vcpu->arch.mmucfg); break;
Liu Yu06579dd2009-06-05 14:54:31 +0800[diff] [blame]217
Hollis Blanchardbb3a8a12009-01-03 16:23:13 -0600[diff] [blame]218 /* extra exceptions */
219 case SPRN_IVOR32:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]220 kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL]);
Hollis Blanchardbb3a8a12009-01-03 16:23:13 -0600[diff] [blame]221 break;
222 case SPRN_IVOR33:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]223 kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_DATA]);
Hollis Blanchardbb3a8a12009-01-03 16:23:13 -0600[diff] [blame]224 break;
225 case SPRN_IVOR34:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]226 kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_ROUND]);
Hollis Blanchardbb3a8a12009-01-03 16:23:13 -0600[diff] [blame]227 break;
228 case SPRN_IVOR35:
Alexander Graf8e5b26b2010-01-08 02:58:01 +0100[diff] [blame]229 kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR]);
Hollis Blanchardbb3a8a12009-01-03 16:23:13 -0600[diff] [blame]230 break;
Scott Wood73196cd2011-12-20 15:34:47 +0000[diff] [blame^]231#ifdef CONFIG_KVM_BOOKE_HV
232 case SPRN_IVOR36:
233 kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_DBELL]);
234 break;
235 case SPRN_IVOR37:
236 kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_DBELL_CRIT]);
237 break;
238#endif
Hollis Blanchardbc8080c2009-01-03 16:23:10 -0600[diff] [blame]239 default:
240 emulated = kvmppc_booke_emulate_mfspr(vcpu, sprn, rt);
241 }
242
243 return emulated;
244}
245