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bc8080cb HB |
1 | /* |
2 | * Copyright (C) 2008 Freescale Semiconductor, Inc. All rights reserved. | |
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> | |
17 | #include <asm/kvm_e500.h> | |
18 | ||
19 | #include "booke.h" | |
20 | #include "e500_tlb.h" | |
21 | ||
22 | #define XOP_TLBIVAX 786 | |
23 | #define XOP_TLBSX 914 | |
24 | #define XOP_TLBRE 946 | |
25 | #define XOP_TLBWE 978 | |
26 | ||
27 | int 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; | |
bc8080cb HB |
33 | |
34 | switch (get_op(inst)) { | |
35 | case 31: | |
36 | switch (get_xop(inst)) { | |
37 | ||
38 | case XOP_TLBRE: | |
39 | emulated = kvmppc_e500_emul_tlbre(vcpu); | |
40 | break; | |
41 | ||
42 | case XOP_TLBWE: | |
43 | emulated = kvmppc_e500_emul_tlbwe(vcpu); | |
44 | break; | |
45 | ||
46 | case XOP_TLBSX: | |
47 | rb = get_rb(inst); | |
48 | emulated = kvmppc_e500_emul_tlbsx(vcpu,rb); | |
49 | break; | |
50 | ||
51 | case XOP_TLBIVAX: | |
52 | ra = get_ra(inst); | |
53 | rb = get_rb(inst); | |
54 | emulated = kvmppc_e500_emul_tlbivax(vcpu, ra, rb); | |
55 | break; | |
56 | ||
57 | default: | |
58 | emulated = EMULATE_FAIL; | |
59 | } | |
60 | ||
61 | break; | |
62 | ||
63 | default: | |
64 | emulated = EMULATE_FAIL; | |
65 | } | |
66 | ||
67 | if (emulated == EMULATE_FAIL) | |
68 | emulated = kvmppc_booke_emulate_op(run, vcpu, inst, advance); | |
69 | ||
70 | return emulated; | |
71 | } | |
72 | ||
73 | int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs) | |
74 | { | |
75 | struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu); | |
76 | int emulated = EMULATE_DONE; | |
8e5b26b5 | 77 | ulong spr_val = kvmppc_get_gpr(vcpu, rs); |
bc8080cb HB |
78 | |
79 | switch (sprn) { | |
80 | case SPRN_PID: | |
81 | vcpu_e500->pid[0] = vcpu->arch.shadow_pid = | |
8e5b26b5 | 82 | vcpu->arch.pid = spr_val; |
bc8080cb HB |
83 | break; |
84 | case SPRN_PID1: | |
8e5b26b5 | 85 | vcpu_e500->pid[1] = spr_val; break; |
bc8080cb | 86 | case SPRN_PID2: |
8e5b26b5 | 87 | vcpu_e500->pid[2] = spr_val; break; |
bc8080cb | 88 | case SPRN_MAS0: |
8e5b26b5 | 89 | vcpu_e500->mas0 = spr_val; break; |
bc8080cb | 90 | case SPRN_MAS1: |
8e5b26b5 | 91 | vcpu_e500->mas1 = spr_val; break; |
bc8080cb | 92 | case SPRN_MAS2: |
8e5b26b5 | 93 | vcpu_e500->mas2 = spr_val; break; |
bc8080cb | 94 | case SPRN_MAS3: |
8e5b26b5 | 95 | vcpu_e500->mas3 = spr_val; break; |
bc8080cb | 96 | case SPRN_MAS4: |
8e5b26b5 | 97 | vcpu_e500->mas4 = spr_val; break; |
bc8080cb | 98 | case SPRN_MAS6: |
8e5b26b5 | 99 | vcpu_e500->mas6 = spr_val; break; |
bc8080cb | 100 | case SPRN_MAS7: |
8e5b26b5 | 101 | vcpu_e500->mas7 = spr_val; break; |
bc8080cb | 102 | case SPRN_L1CSR1: |
8e5b26b5 | 103 | vcpu_e500->l1csr1 = spr_val; break; |
bc8080cb | 104 | case SPRN_HID0: |
8e5b26b5 | 105 | vcpu_e500->hid0 = spr_val; break; |
bc8080cb | 106 | case SPRN_HID1: |
8e5b26b5 | 107 | vcpu_e500->hid1 = spr_val; break; |
bc8080cb | 108 | |
b0a1835d LY |
109 | case SPRN_MMUCSR0: |
110 | emulated = kvmppc_e500_emul_mt_mmucsr0(vcpu_e500, | |
8e5b26b5 | 111 | spr_val); |
b0a1835d LY |
112 | break; |
113 | ||
bb3a8a17 HB |
114 | /* extra exceptions */ |
115 | case SPRN_IVOR32: | |
8e5b26b5 | 116 | vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL] = spr_val; |
bb3a8a17 HB |
117 | break; |
118 | case SPRN_IVOR33: | |
8e5b26b5 | 119 | vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_DATA] = spr_val; |
bb3a8a17 HB |
120 | break; |
121 | case SPRN_IVOR34: | |
8e5b26b5 | 122 | vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_ROUND] = spr_val; |
bb3a8a17 HB |
123 | break; |
124 | case SPRN_IVOR35: | |
8e5b26b5 | 125 | vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR] = spr_val; |
bb3a8a17 HB |
126 | break; |
127 | ||
bc8080cb HB |
128 | default: |
129 | emulated = kvmppc_booke_emulate_mtspr(vcpu, sprn, rs); | |
130 | } | |
131 | ||
132 | return emulated; | |
133 | } | |
134 | ||
135 | int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt) | |
136 | { | |
137 | struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu); | |
138 | int emulated = EMULATE_DONE; | |
139 | ||
140 | switch (sprn) { | |
141 | case SPRN_PID: | |
8e5b26b5 | 142 | kvmppc_set_gpr(vcpu, rt, vcpu_e500->pid[0]); break; |
bc8080cb | 143 | case SPRN_PID1: |
8e5b26b5 | 144 | kvmppc_set_gpr(vcpu, rt, vcpu_e500->pid[1]); break; |
bc8080cb | 145 | case SPRN_PID2: |
8e5b26b5 | 146 | kvmppc_set_gpr(vcpu, rt, vcpu_e500->pid[2]); break; |
bc8080cb | 147 | case SPRN_MAS0: |
8e5b26b5 | 148 | kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas0); break; |
bc8080cb | 149 | case SPRN_MAS1: |
8e5b26b5 | 150 | kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas1); break; |
bc8080cb | 151 | case SPRN_MAS2: |
8e5b26b5 | 152 | kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas2); break; |
bc8080cb | 153 | case SPRN_MAS3: |
8e5b26b5 | 154 | kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas3); break; |
bc8080cb | 155 | case SPRN_MAS4: |
8e5b26b5 | 156 | kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas4); break; |
bc8080cb | 157 | case SPRN_MAS6: |
8e5b26b5 | 158 | kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas6); break; |
bc8080cb | 159 | case SPRN_MAS7: |
8e5b26b5 | 160 | kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas7); break; |
bc8080cb HB |
161 | |
162 | case SPRN_TLB0CFG: | |
8e5b26b5 AG |
163 | { |
164 | ulong tmp = SPRN_TLB0CFG; | |
165 | ||
166 | tmp &= ~0xfffUL; | |
167 | tmp |= vcpu_e500->guest_tlb_size[0]; | |
168 | kvmppc_set_gpr(vcpu, rt, tmp); | |
bc8080cb | 169 | break; |
8e5b26b5 | 170 | } |
bc8080cb HB |
171 | |
172 | case SPRN_TLB1CFG: | |
8e5b26b5 AG |
173 | { |
174 | ulong tmp = SPRN_TLB1CFG; | |
175 | ||
176 | tmp &= ~0xfffUL; | |
177 | tmp |= vcpu_e500->guest_tlb_size[1]; | |
178 | kvmppc_set_gpr(vcpu, rt, tmp); | |
bc8080cb | 179 | break; |
8e5b26b5 | 180 | } |
bc8080cb HB |
181 | |
182 | case SPRN_L1CSR1: | |
8e5b26b5 | 183 | kvmppc_set_gpr(vcpu, rt, vcpu_e500->l1csr1); break; |
bc8080cb | 184 | case SPRN_HID0: |
8e5b26b5 | 185 | kvmppc_set_gpr(vcpu, rt, vcpu_e500->hid0); break; |
bc8080cb | 186 | case SPRN_HID1: |
8e5b26b5 | 187 | kvmppc_set_gpr(vcpu, rt, vcpu_e500->hid1); break; |
bc8080cb | 188 | |
b0a1835d | 189 | case SPRN_MMUCSR0: |
8e5b26b5 | 190 | kvmppc_set_gpr(vcpu, rt, 0); break; |
b0a1835d | 191 | |
06579dd9 | 192 | case SPRN_MMUCFG: |
8e5b26b5 | 193 | kvmppc_set_gpr(vcpu, rt, mfspr(SPRN_MMUCFG)); break; |
06579dd9 | 194 | |
bb3a8a17 HB |
195 | /* extra exceptions */ |
196 | case SPRN_IVOR32: | |
8e5b26b5 | 197 | kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL]); |
bb3a8a17 HB |
198 | break; |
199 | case SPRN_IVOR33: | |
8e5b26b5 | 200 | kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_DATA]); |
bb3a8a17 HB |
201 | break; |
202 | case SPRN_IVOR34: | |
8e5b26b5 | 203 | kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_ROUND]); |
bb3a8a17 HB |
204 | break; |
205 | case SPRN_IVOR35: | |
8e5b26b5 | 206 | kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR]); |
bb3a8a17 | 207 | break; |
bc8080cb HB |
208 | default: |
209 | emulated = kvmppc_booke_emulate_mfspr(vcpu, sprn, rt); | |
210 | } | |
211 | ||
212 | return emulated; | |
213 | } | |
214 |