Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 1 | /* |
| 2 | * This program is free software; you can redistribute it and/or modify |
| 3 | * it under the terms of the GNU General Public License, version 2, as |
| 4 | * published by the Free Software Foundation. |
| 5 | * |
| 6 | * This program is distributed in the hope that it will be useful, |
| 7 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 8 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 9 | * GNU General Public License for more details. |
| 10 | * |
| 11 | * You should have received a copy of the GNU General Public License |
| 12 | * along with this program; if not, write to the Free Software |
| 13 | * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 14 | * |
| 15 | * Copyright IBM Corp. 2007 |
Scott Wood | dfd4d47 | 2011-11-17 12:39:59 +0000 | [diff] [blame] | 16 | * Copyright 2011 Freescale Semiconductor, Inc. |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 17 | * |
| 18 | * Authors: Hollis Blanchard <hollisb@us.ibm.com> |
| 19 | */ |
| 20 | |
| 21 | #include <linux/jiffies.h> |
Alexander Graf | 544c676 | 2009-11-02 12:02:31 +0000 | [diff] [blame] | 22 | #include <linux/hrtimer.h> |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 23 | #include <linux/types.h> |
| 24 | #include <linux/string.h> |
| 25 | #include <linux/kvm_host.h> |
| 26 | |
Hollis Blanchard | 75f74f0 | 2008-11-05 09:36:16 -0600 | [diff] [blame] | 27 | #include <asm/reg.h> |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 28 | #include <asm/time.h> |
| 29 | #include <asm/byteorder.h> |
| 30 | #include <asm/kvm_ppc.h> |
Hollis Blanchard | c381a04 | 2008-11-05 09:36:15 -0600 | [diff] [blame] | 31 | #include <asm/disassemble.h> |
Hollis Blanchard | 73e75b4 | 2008-12-02 15:51:57 -0600 | [diff] [blame] | 32 | #include "timing.h" |
Marcelo Tosatti | 46f43c6 | 2009-06-18 11:47:27 -0300 | [diff] [blame] | 33 | #include "trace.h" |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 34 | |
Hollis Blanchard | cea5d8c | 2009-01-03 16:23:05 -0600 | [diff] [blame] | 35 | #define OP_TRAP 3 |
Alexander Graf | 513579e | 2009-10-30 05:47:16 +0000 | [diff] [blame] | 36 | #define OP_TRAP_64 2 |
Hollis Blanchard | cea5d8c | 2009-01-03 16:23:05 -0600 | [diff] [blame] | 37 | |
| 38 | #define OP_31_XOP_LWZX 23 |
| 39 | #define OP_31_XOP_LBZX 87 |
| 40 | #define OP_31_XOP_STWX 151 |
| 41 | #define OP_31_XOP_STBX 215 |
Alexander Graf | 1c85e73 | 2010-03-24 21:48:27 +0100 | [diff] [blame] | 42 | #define OP_31_XOP_LBZUX 119 |
Hollis Blanchard | cea5d8c | 2009-01-03 16:23:05 -0600 | [diff] [blame] | 43 | #define OP_31_XOP_STBUX 247 |
| 44 | #define OP_31_XOP_LHZX 279 |
| 45 | #define OP_31_XOP_LHZUX 311 |
| 46 | #define OP_31_XOP_MFSPR 339 |
Alexander Graf | 1c85e73 | 2010-03-24 21:48:27 +0100 | [diff] [blame] | 47 | #define OP_31_XOP_LHAX 343 |
Hollis Blanchard | cea5d8c | 2009-01-03 16:23:05 -0600 | [diff] [blame] | 48 | #define OP_31_XOP_STHX 407 |
| 49 | #define OP_31_XOP_STHUX 439 |
| 50 | #define OP_31_XOP_MTSPR 467 |
| 51 | #define OP_31_XOP_DCBI 470 |
| 52 | #define OP_31_XOP_LWBRX 534 |
| 53 | #define OP_31_XOP_TLBSYNC 566 |
| 54 | #define OP_31_XOP_STWBRX 662 |
| 55 | #define OP_31_XOP_LHBRX 790 |
| 56 | #define OP_31_XOP_STHBRX 918 |
| 57 | |
| 58 | #define OP_LWZ 32 |
| 59 | #define OP_LWZU 33 |
| 60 | #define OP_LBZ 34 |
| 61 | #define OP_LBZU 35 |
| 62 | #define OP_STW 36 |
| 63 | #define OP_STWU 37 |
| 64 | #define OP_STB 38 |
| 65 | #define OP_STBU 39 |
| 66 | #define OP_LHZ 40 |
| 67 | #define OP_LHZU 41 |
Alexander Graf | 3587d53 | 2010-02-19 11:00:30 +0100 | [diff] [blame] | 68 | #define OP_LHA 42 |
| 69 | #define OP_LHAU 43 |
Hollis Blanchard | cea5d8c | 2009-01-03 16:23:05 -0600 | [diff] [blame] | 70 | #define OP_STH 44 |
| 71 | #define OP_STHU 45 |
| 72 | |
Hollis Blanchard | 75f74f0 | 2008-11-05 09:36:16 -0600 | [diff] [blame] | 73 | void kvmppc_emulate_dec(struct kvm_vcpu *vcpu) |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 74 | { |
Alexander Graf | 544c676 | 2009-11-02 12:02:31 +0000 | [diff] [blame] | 75 | unsigned long dec_nsec; |
Bharat Bhushan | dc2babfe | 2011-10-19 09:46:06 +0530 | [diff] [blame] | 76 | unsigned long long dec_time; |
Alexander Graf | 9a7a9b0 | 2009-10-30 05:47:15 +0000 | [diff] [blame] | 77 | |
Alexander Graf | 544c676 | 2009-11-02 12:02:31 +0000 | [diff] [blame] | 78 | pr_debug("mtDEC: %x\n", vcpu->arch.dec); |
Scott Wood | dfd4d47 | 2011-11-17 12:39:59 +0000 | [diff] [blame] | 79 | hrtimer_try_to_cancel(&vcpu->arch.dec_timer); |
| 80 | |
Alexander Graf | 00c3a37 | 2010-04-16 00:11:42 +0200 | [diff] [blame] | 81 | #ifdef CONFIG_PPC_BOOK3S |
Alexander Graf | 7706664d | 2009-12-21 20:21:24 +0100 | [diff] [blame] | 82 | /* mtdec lowers the interrupt line when positive. */ |
| 83 | kvmppc_core_dequeue_dec(vcpu); |
| 84 | |
Alexander Graf | 513579e | 2009-10-30 05:47:16 +0000 | [diff] [blame] | 85 | /* POWER4+ triggers a dec interrupt if the value is < 0 */ |
| 86 | if (vcpu->arch.dec & 0x80000000) { |
Alexander Graf | 513579e | 2009-10-30 05:47:16 +0000 | [diff] [blame] | 87 | kvmppc_core_queue_dec(vcpu); |
| 88 | return; |
| 89 | } |
| 90 | #endif |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 91 | |
Scott Wood | dfd4d47 | 2011-11-17 12:39:59 +0000 | [diff] [blame] | 92 | #ifdef CONFIG_BOOKE |
| 93 | /* On BOOKE, DEC = 0 is as good as decrementer not enabled */ |
| 94 | if (vcpu->arch.dec == 0) |
| 95 | return; |
| 96 | #endif |
| 97 | |
| 98 | /* |
| 99 | * The decrementer ticks at the same rate as the timebase, so |
| 100 | * that's how we convert the guest DEC value to the number of |
| 101 | * host ticks. |
| 102 | */ |
| 103 | |
| 104 | dec_time = vcpu->arch.dec; |
| 105 | dec_time *= 1000; |
| 106 | do_div(dec_time, tb_ticks_per_usec); |
| 107 | dec_nsec = do_div(dec_time, NSEC_PER_SEC); |
| 108 | hrtimer_start(&vcpu->arch.dec_timer, |
| 109 | ktime_set(dec_time, dec_nsec), HRTIMER_MODE_REL); |
| 110 | vcpu->arch.dec_jiffies = get_tb(); |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 111 | } |
| 112 | |
Scott Wood | 5ce941e | 2011-04-27 17:24:21 -0500 | [diff] [blame] | 113 | u32 kvmppc_get_dec(struct kvm_vcpu *vcpu, u64 tb) |
| 114 | { |
| 115 | u64 jd = tb - vcpu->arch.dec_jiffies; |
Scott Wood | dfd4d47 | 2011-11-17 12:39:59 +0000 | [diff] [blame] | 116 | |
| 117 | #ifdef CONFIG_BOOKE |
| 118 | if (vcpu->arch.dec < jd) |
| 119 | return 0; |
| 120 | #endif |
| 121 | |
Scott Wood | 5ce941e | 2011-04-27 17:24:21 -0500 | [diff] [blame] | 122 | return vcpu->arch.dec - jd; |
| 123 | } |
| 124 | |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 125 | /* XXX to do: |
| 126 | * lhax |
| 127 | * lhaux |
| 128 | * lswx |
| 129 | * lswi |
| 130 | * stswx |
| 131 | * stswi |
| 132 | * lha |
| 133 | * lhau |
| 134 | * lmw |
| 135 | * stmw |
| 136 | * |
| 137 | * XXX is_bigendian should depend on MMU mapping or MSR[LE] |
| 138 | */ |
Hollis Blanchard | 75f74f0 | 2008-11-05 09:36:16 -0600 | [diff] [blame] | 139 | /* XXX Should probably auto-generate instruction decoding for a particular core |
| 140 | * from opcode tables in the future. */ |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 141 | int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu) |
| 142 | { |
Alexander Graf | c7f38f4 | 2010-04-16 00:11:40 +0200 | [diff] [blame] | 143 | u32 inst = kvmppc_get_last_inst(vcpu); |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 144 | int ra; |
| 145 | int rb; |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 146 | int rs; |
| 147 | int rt; |
| 148 | int sprn; |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 149 | enum emulation_result emulated = EMULATE_DONE; |
| 150 | int advance = 1; |
| 151 | |
Hollis Blanchard | 73e75b4 | 2008-12-02 15:51:57 -0600 | [diff] [blame] | 152 | /* this default type might be overwritten by subcategories */ |
| 153 | kvmppc_set_exit_type(vcpu, EMULATED_INST_EXITS); |
| 154 | |
Joe Perches | 689fd14 | 2010-09-11 19:10:53 +0000 | [diff] [blame] | 155 | pr_debug("Emulating opcode %d / %d\n", get_op(inst), get_xop(inst)); |
Alexander Graf | 513579e | 2009-10-30 05:47:16 +0000 | [diff] [blame] | 156 | |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 157 | switch (get_op(inst)) { |
Hollis Blanchard | cea5d8c | 2009-01-03 16:23:05 -0600 | [diff] [blame] | 158 | case OP_TRAP: |
Alexander Graf | 00c3a37 | 2010-04-16 00:11:42 +0200 | [diff] [blame] | 159 | #ifdef CONFIG_PPC_BOOK3S |
Alexander Graf | 513579e | 2009-10-30 05:47:16 +0000 | [diff] [blame] | 160 | case OP_TRAP_64: |
Alexander Graf | 25a8a02 | 2010-01-08 02:58:07 +0100 | [diff] [blame] | 161 | kvmppc_core_queue_program(vcpu, SRR1_PROGTRAP); |
Liu Yu | daf5e27 | 2010-02-02 19:44:35 +0800 | [diff] [blame] | 162 | #else |
Scott Wood | b590497 | 2011-11-08 18:23:30 -0600 | [diff] [blame] | 163 | kvmppc_core_queue_program(vcpu, |
| 164 | vcpu->arch.shared->esr | ESR_PTR); |
Liu Yu | daf5e27 | 2010-02-02 19:44:35 +0800 | [diff] [blame] | 165 | #endif |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 166 | advance = 0; |
| 167 | break; |
| 168 | |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 169 | case 31: |
| 170 | switch (get_xop(inst)) { |
| 171 | |
Hollis Blanchard | cea5d8c | 2009-01-03 16:23:05 -0600 | [diff] [blame] | 172 | case OP_31_XOP_LWZX: |
Hollis Blanchard | ac3cd34 | 2008-05-21 18:22:52 -0500 | [diff] [blame] | 173 | rt = get_rt(inst); |
| 174 | emulated = kvmppc_handle_load(run, vcpu, rt, 4, 1); |
| 175 | break; |
| 176 | |
Hollis Blanchard | cea5d8c | 2009-01-03 16:23:05 -0600 | [diff] [blame] | 177 | case OP_31_XOP_LBZX: |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 178 | rt = get_rt(inst); |
| 179 | emulated = kvmppc_handle_load(run, vcpu, rt, 1, 1); |
| 180 | break; |
| 181 | |
Alexander Graf | 1c85e73 | 2010-03-24 21:48:27 +0100 | [diff] [blame] | 182 | case OP_31_XOP_LBZUX: |
| 183 | rt = get_rt(inst); |
| 184 | ra = get_ra(inst); |
| 185 | rb = get_rb(inst); |
| 186 | |
Alexander Graf | 1c85e73 | 2010-03-24 21:48:27 +0100 | [diff] [blame] | 187 | emulated = kvmppc_handle_load(run, vcpu, rt, 1, 1); |
Alexander Graf | 6020c0f | 2012-03-12 02:26:30 +0100 | [diff] [blame^] | 188 | kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed); |
Alexander Graf | 1c85e73 | 2010-03-24 21:48:27 +0100 | [diff] [blame] | 189 | break; |
| 190 | |
Hollis Blanchard | cea5d8c | 2009-01-03 16:23:05 -0600 | [diff] [blame] | 191 | case OP_31_XOP_STWX: |
Hollis Blanchard | ac3cd34 | 2008-05-21 18:22:52 -0500 | [diff] [blame] | 192 | rs = get_rs(inst); |
| 193 | emulated = kvmppc_handle_store(run, vcpu, |
Alexander Graf | 8e5b26b | 2010-01-08 02:58:01 +0100 | [diff] [blame] | 194 | kvmppc_get_gpr(vcpu, rs), |
Hollis Blanchard | ac3cd34 | 2008-05-21 18:22:52 -0500 | [diff] [blame] | 195 | 4, 1); |
| 196 | break; |
| 197 | |
Hollis Blanchard | cea5d8c | 2009-01-03 16:23:05 -0600 | [diff] [blame] | 198 | case OP_31_XOP_STBX: |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 199 | rs = get_rs(inst); |
| 200 | emulated = kvmppc_handle_store(run, vcpu, |
Alexander Graf | 8e5b26b | 2010-01-08 02:58:01 +0100 | [diff] [blame] | 201 | kvmppc_get_gpr(vcpu, rs), |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 202 | 1, 1); |
| 203 | break; |
| 204 | |
Hollis Blanchard | cea5d8c | 2009-01-03 16:23:05 -0600 | [diff] [blame] | 205 | case OP_31_XOP_STBUX: |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 206 | rs = get_rs(inst); |
| 207 | ra = get_ra(inst); |
| 208 | rb = get_rb(inst); |
| 209 | |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 210 | emulated = kvmppc_handle_store(run, vcpu, |
Alexander Graf | 8e5b26b | 2010-01-08 02:58:01 +0100 | [diff] [blame] | 211 | kvmppc_get_gpr(vcpu, rs), |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 212 | 1, 1); |
Alexander Graf | 6020c0f | 2012-03-12 02:26:30 +0100 | [diff] [blame^] | 213 | kvmppc_set_gpr(vcpu, rs, vcpu->arch.vaddr_accessed); |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 214 | break; |
| 215 | |
Alexander Graf | 1c85e73 | 2010-03-24 21:48:27 +0100 | [diff] [blame] | 216 | case OP_31_XOP_LHAX: |
| 217 | rt = get_rt(inst); |
| 218 | emulated = kvmppc_handle_loads(run, vcpu, rt, 2, 1); |
| 219 | break; |
| 220 | |
Hollis Blanchard | cea5d8c | 2009-01-03 16:23:05 -0600 | [diff] [blame] | 221 | case OP_31_XOP_LHZX: |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 222 | rt = get_rt(inst); |
| 223 | emulated = kvmppc_handle_load(run, vcpu, rt, 2, 1); |
| 224 | break; |
| 225 | |
Hollis Blanchard | cea5d8c | 2009-01-03 16:23:05 -0600 | [diff] [blame] | 226 | case OP_31_XOP_LHZUX: |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 227 | rt = get_rt(inst); |
| 228 | ra = get_ra(inst); |
| 229 | rb = get_rb(inst); |
| 230 | |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 231 | emulated = kvmppc_handle_load(run, vcpu, rt, 2, 1); |
Alexander Graf | 6020c0f | 2012-03-12 02:26:30 +0100 | [diff] [blame^] | 232 | kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed); |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 233 | break; |
| 234 | |
Hollis Blanchard | cea5d8c | 2009-01-03 16:23:05 -0600 | [diff] [blame] | 235 | case OP_31_XOP_MFSPR: |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 236 | sprn = get_sprn(inst); |
| 237 | rt = get_rt(inst); |
| 238 | |
| 239 | switch (sprn) { |
| 240 | case SPRN_SRR0: |
Alexander Graf | de7906c | 2010-07-29 14:47:46 +0200 | [diff] [blame] | 241 | kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->srr0); |
| 242 | break; |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 243 | case SPRN_SRR1: |
Alexander Graf | de7906c | 2010-07-29 14:47:46 +0200 | [diff] [blame] | 244 | kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->srr1); |
| 245 | break; |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 246 | case SPRN_PVR: |
Alexander Graf | 8e5b26b | 2010-01-08 02:58:01 +0100 | [diff] [blame] | 247 | kvmppc_set_gpr(vcpu, rt, vcpu->arch.pvr); break; |
Liu Yu | 06579dd | 2009-06-05 14:54:31 +0800 | [diff] [blame] | 248 | case SPRN_PIR: |
Alexander Graf | 8e5b26b | 2010-01-08 02:58:01 +0100 | [diff] [blame] | 249 | kvmppc_set_gpr(vcpu, rt, vcpu->vcpu_id); break; |
Alexander Graf | 513579e | 2009-10-30 05:47:16 +0000 | [diff] [blame] | 250 | case SPRN_MSSSR0: |
Alexander Graf | 8e5b26b | 2010-01-08 02:58:01 +0100 | [diff] [blame] | 251 | kvmppc_set_gpr(vcpu, rt, 0); break; |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 252 | |
| 253 | /* Note: mftb and TBRL/TBWL are user-accessible, so |
| 254 | * the guest can always access the real TB anyways. |
| 255 | * In fact, we probably will never see these traps. */ |
| 256 | case SPRN_TBWL: |
Alexander Graf | 8e5b26b | 2010-01-08 02:58:01 +0100 | [diff] [blame] | 257 | kvmppc_set_gpr(vcpu, rt, get_tb() >> 32); break; |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 258 | case SPRN_TBWU: |
Alexander Graf | 8e5b26b | 2010-01-08 02:58:01 +0100 | [diff] [blame] | 259 | kvmppc_set_gpr(vcpu, rt, get_tb()); break; |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 260 | |
| 261 | case SPRN_SPRG0: |
Alexander Graf | a73a959 | 2010-07-29 14:47:47 +0200 | [diff] [blame] | 262 | kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->sprg0); |
| 263 | break; |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 264 | case SPRN_SPRG1: |
Alexander Graf | a73a959 | 2010-07-29 14:47:47 +0200 | [diff] [blame] | 265 | kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->sprg1); |
| 266 | break; |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 267 | case SPRN_SPRG2: |
Alexander Graf | a73a959 | 2010-07-29 14:47:47 +0200 | [diff] [blame] | 268 | kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->sprg2); |
| 269 | break; |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 270 | case SPRN_SPRG3: |
Alexander Graf | a73a959 | 2010-07-29 14:47:47 +0200 | [diff] [blame] | 271 | kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->sprg3); |
| 272 | break; |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 273 | /* Note: SPRG4-7 are user-readable, so we don't get |
| 274 | * a trap. */ |
| 275 | |
Alexander Graf | 9a7a9b0 | 2009-10-30 05:47:15 +0000 | [diff] [blame] | 276 | case SPRN_DEC: |
| 277 | { |
Scott Wood | 5ce941e | 2011-04-27 17:24:21 -0500 | [diff] [blame] | 278 | kvmppc_set_gpr(vcpu, rt, |
| 279 | kvmppc_get_dec(vcpu, get_tb())); |
Alexander Graf | 9a7a9b0 | 2009-10-30 05:47:15 +0000 | [diff] [blame] | 280 | break; |
| 281 | } |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 282 | default: |
Hollis Blanchard | 75f74f0 | 2008-11-05 09:36:16 -0600 | [diff] [blame] | 283 | emulated = kvmppc_core_emulate_mfspr(vcpu, sprn, rt); |
| 284 | if (emulated == EMULATE_FAIL) { |
| 285 | printk("mfspr: unknown spr %x\n", sprn); |
Alexander Graf | 8e5b26b | 2010-01-08 02:58:01 +0100 | [diff] [blame] | 286 | kvmppc_set_gpr(vcpu, rt, 0); |
Hollis Blanchard | 75f74f0 | 2008-11-05 09:36:16 -0600 | [diff] [blame] | 287 | } |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 288 | break; |
| 289 | } |
Scott Wood | 49ea069 | 2011-03-28 15:01:24 -0500 | [diff] [blame] | 290 | kvmppc_set_exit_type(vcpu, EMULATED_MFSPR_EXITS); |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 291 | break; |
| 292 | |
Hollis Blanchard | cea5d8c | 2009-01-03 16:23:05 -0600 | [diff] [blame] | 293 | case OP_31_XOP_STHX: |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 294 | rs = get_rs(inst); |
| 295 | ra = get_ra(inst); |
| 296 | rb = get_rb(inst); |
| 297 | |
| 298 | emulated = kvmppc_handle_store(run, vcpu, |
Alexander Graf | 8e5b26b | 2010-01-08 02:58:01 +0100 | [diff] [blame] | 299 | kvmppc_get_gpr(vcpu, rs), |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 300 | 2, 1); |
| 301 | break; |
| 302 | |
Hollis Blanchard | cea5d8c | 2009-01-03 16:23:05 -0600 | [diff] [blame] | 303 | case OP_31_XOP_STHUX: |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 304 | rs = get_rs(inst); |
| 305 | ra = get_ra(inst); |
| 306 | rb = get_rb(inst); |
| 307 | |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 308 | emulated = kvmppc_handle_store(run, vcpu, |
Alexander Graf | 8e5b26b | 2010-01-08 02:58:01 +0100 | [diff] [blame] | 309 | kvmppc_get_gpr(vcpu, rs), |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 310 | 2, 1); |
Alexander Graf | 6020c0f | 2012-03-12 02:26:30 +0100 | [diff] [blame^] | 311 | kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed); |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 312 | break; |
| 313 | |
Hollis Blanchard | cea5d8c | 2009-01-03 16:23:05 -0600 | [diff] [blame] | 314 | case OP_31_XOP_MTSPR: |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 315 | sprn = get_sprn(inst); |
| 316 | rs = get_rs(inst); |
| 317 | switch (sprn) { |
| 318 | case SPRN_SRR0: |
Alexander Graf | de7906c | 2010-07-29 14:47:46 +0200 | [diff] [blame] | 319 | vcpu->arch.shared->srr0 = kvmppc_get_gpr(vcpu, rs); |
| 320 | break; |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 321 | case SPRN_SRR1: |
Alexander Graf | de7906c | 2010-07-29 14:47:46 +0200 | [diff] [blame] | 322 | vcpu->arch.shared->srr1 = kvmppc_get_gpr(vcpu, rs); |
| 323 | break; |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 324 | |
| 325 | /* XXX We need to context-switch the timebase for |
| 326 | * watchdog and FIT. */ |
| 327 | case SPRN_TBWL: break; |
| 328 | case SPRN_TBWU: break; |
| 329 | |
Alexander Graf | 513579e | 2009-10-30 05:47:16 +0000 | [diff] [blame] | 330 | case SPRN_MSSSR0: break; |
| 331 | |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 332 | case SPRN_DEC: |
Alexander Graf | 8e5b26b | 2010-01-08 02:58:01 +0100 | [diff] [blame] | 333 | vcpu->arch.dec = kvmppc_get_gpr(vcpu, rs); |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 334 | kvmppc_emulate_dec(vcpu); |
| 335 | break; |
| 336 | |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 337 | case SPRN_SPRG0: |
Alexander Graf | a73a959 | 2010-07-29 14:47:47 +0200 | [diff] [blame] | 338 | vcpu->arch.shared->sprg0 = kvmppc_get_gpr(vcpu, rs); |
| 339 | break; |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 340 | case SPRN_SPRG1: |
Alexander Graf | a73a959 | 2010-07-29 14:47:47 +0200 | [diff] [blame] | 341 | vcpu->arch.shared->sprg1 = kvmppc_get_gpr(vcpu, rs); |
| 342 | break; |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 343 | case SPRN_SPRG2: |
Alexander Graf | a73a959 | 2010-07-29 14:47:47 +0200 | [diff] [blame] | 344 | vcpu->arch.shared->sprg2 = kvmppc_get_gpr(vcpu, rs); |
| 345 | break; |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 346 | case SPRN_SPRG3: |
Alexander Graf | a73a959 | 2010-07-29 14:47:47 +0200 | [diff] [blame] | 347 | vcpu->arch.shared->sprg3 = kvmppc_get_gpr(vcpu, rs); |
| 348 | break; |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 349 | |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 350 | default: |
Hollis Blanchard | 75f74f0 | 2008-11-05 09:36:16 -0600 | [diff] [blame] | 351 | emulated = kvmppc_core_emulate_mtspr(vcpu, sprn, rs); |
| 352 | if (emulated == EMULATE_FAIL) |
| 353 | printk("mtspr: unknown spr %x\n", sprn); |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 354 | break; |
| 355 | } |
Scott Wood | 49ea069 | 2011-03-28 15:01:24 -0500 | [diff] [blame] | 356 | kvmppc_set_exit_type(vcpu, EMULATED_MTSPR_EXITS); |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 357 | break; |
| 358 | |
Hollis Blanchard | cea5d8c | 2009-01-03 16:23:05 -0600 | [diff] [blame] | 359 | case OP_31_XOP_DCBI: |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 360 | /* Do nothing. The guest is performing dcbi because |
| 361 | * hardware DMA is not snooped by the dcache, but |
| 362 | * emulated DMA either goes through the dcache as |
| 363 | * normal writes, or the host kernel has handled dcache |
| 364 | * coherence. */ |
| 365 | break; |
| 366 | |
Hollis Blanchard | cea5d8c | 2009-01-03 16:23:05 -0600 | [diff] [blame] | 367 | case OP_31_XOP_LWBRX: |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 368 | rt = get_rt(inst); |
| 369 | emulated = kvmppc_handle_load(run, vcpu, rt, 4, 0); |
| 370 | break; |
| 371 | |
Hollis Blanchard | cea5d8c | 2009-01-03 16:23:05 -0600 | [diff] [blame] | 372 | case OP_31_XOP_TLBSYNC: |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 373 | break; |
| 374 | |
Hollis Blanchard | cea5d8c | 2009-01-03 16:23:05 -0600 | [diff] [blame] | 375 | case OP_31_XOP_STWBRX: |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 376 | rs = get_rs(inst); |
| 377 | ra = get_ra(inst); |
| 378 | rb = get_rb(inst); |
| 379 | |
| 380 | emulated = kvmppc_handle_store(run, vcpu, |
Alexander Graf | 8e5b26b | 2010-01-08 02:58:01 +0100 | [diff] [blame] | 381 | kvmppc_get_gpr(vcpu, rs), |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 382 | 4, 0); |
| 383 | break; |
| 384 | |
Hollis Blanchard | cea5d8c | 2009-01-03 16:23:05 -0600 | [diff] [blame] | 385 | case OP_31_XOP_LHBRX: |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 386 | rt = get_rt(inst); |
| 387 | emulated = kvmppc_handle_load(run, vcpu, rt, 2, 0); |
| 388 | break; |
| 389 | |
Hollis Blanchard | cea5d8c | 2009-01-03 16:23:05 -0600 | [diff] [blame] | 390 | case OP_31_XOP_STHBRX: |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 391 | rs = get_rs(inst); |
| 392 | ra = get_ra(inst); |
| 393 | rb = get_rb(inst); |
| 394 | |
| 395 | emulated = kvmppc_handle_store(run, vcpu, |
Alexander Graf | 8e5b26b | 2010-01-08 02:58:01 +0100 | [diff] [blame] | 396 | kvmppc_get_gpr(vcpu, rs), |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 397 | 2, 0); |
| 398 | break; |
| 399 | |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 400 | default: |
Hollis Blanchard | 75f74f0 | 2008-11-05 09:36:16 -0600 | [diff] [blame] | 401 | /* Attempt core-specific emulation below. */ |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 402 | emulated = EMULATE_FAIL; |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 403 | } |
| 404 | break; |
| 405 | |
Hollis Blanchard | cea5d8c | 2009-01-03 16:23:05 -0600 | [diff] [blame] | 406 | case OP_LWZ: |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 407 | rt = get_rt(inst); |
| 408 | emulated = kvmppc_handle_load(run, vcpu, rt, 4, 1); |
| 409 | break; |
| 410 | |
Hollis Blanchard | cea5d8c | 2009-01-03 16:23:05 -0600 | [diff] [blame] | 411 | case OP_LWZU: |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 412 | ra = get_ra(inst); |
| 413 | rt = get_rt(inst); |
| 414 | emulated = kvmppc_handle_load(run, vcpu, rt, 4, 1); |
Alexander Graf | 6020c0f | 2012-03-12 02:26:30 +0100 | [diff] [blame^] | 415 | kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed); |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 416 | break; |
| 417 | |
Hollis Blanchard | cea5d8c | 2009-01-03 16:23:05 -0600 | [diff] [blame] | 418 | case OP_LBZ: |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 419 | rt = get_rt(inst); |
| 420 | emulated = kvmppc_handle_load(run, vcpu, rt, 1, 1); |
| 421 | break; |
| 422 | |
Hollis Blanchard | cea5d8c | 2009-01-03 16:23:05 -0600 | [diff] [blame] | 423 | case OP_LBZU: |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 424 | ra = get_ra(inst); |
| 425 | rt = get_rt(inst); |
| 426 | emulated = kvmppc_handle_load(run, vcpu, rt, 1, 1); |
Alexander Graf | 6020c0f | 2012-03-12 02:26:30 +0100 | [diff] [blame^] | 427 | kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed); |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 428 | break; |
| 429 | |
Hollis Blanchard | cea5d8c | 2009-01-03 16:23:05 -0600 | [diff] [blame] | 430 | case OP_STW: |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 431 | rs = get_rs(inst); |
Alexander Graf | 8e5b26b | 2010-01-08 02:58:01 +0100 | [diff] [blame] | 432 | emulated = kvmppc_handle_store(run, vcpu, |
| 433 | kvmppc_get_gpr(vcpu, rs), |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 434 | 4, 1); |
| 435 | break; |
| 436 | |
Hollis Blanchard | cea5d8c | 2009-01-03 16:23:05 -0600 | [diff] [blame] | 437 | case OP_STWU: |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 438 | ra = get_ra(inst); |
| 439 | rs = get_rs(inst); |
Alexander Graf | 8e5b26b | 2010-01-08 02:58:01 +0100 | [diff] [blame] | 440 | emulated = kvmppc_handle_store(run, vcpu, |
| 441 | kvmppc_get_gpr(vcpu, rs), |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 442 | 4, 1); |
Alexander Graf | 6020c0f | 2012-03-12 02:26:30 +0100 | [diff] [blame^] | 443 | kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed); |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 444 | break; |
| 445 | |
Hollis Blanchard | cea5d8c | 2009-01-03 16:23:05 -0600 | [diff] [blame] | 446 | case OP_STB: |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 447 | rs = get_rs(inst); |
Alexander Graf | 8e5b26b | 2010-01-08 02:58:01 +0100 | [diff] [blame] | 448 | emulated = kvmppc_handle_store(run, vcpu, |
| 449 | kvmppc_get_gpr(vcpu, rs), |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 450 | 1, 1); |
| 451 | break; |
| 452 | |
Hollis Blanchard | cea5d8c | 2009-01-03 16:23:05 -0600 | [diff] [blame] | 453 | case OP_STBU: |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 454 | ra = get_ra(inst); |
| 455 | rs = get_rs(inst); |
Alexander Graf | 8e5b26b | 2010-01-08 02:58:01 +0100 | [diff] [blame] | 456 | emulated = kvmppc_handle_store(run, vcpu, |
| 457 | kvmppc_get_gpr(vcpu, rs), |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 458 | 1, 1); |
Alexander Graf | 6020c0f | 2012-03-12 02:26:30 +0100 | [diff] [blame^] | 459 | kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed); |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 460 | break; |
| 461 | |
Hollis Blanchard | cea5d8c | 2009-01-03 16:23:05 -0600 | [diff] [blame] | 462 | case OP_LHZ: |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 463 | rt = get_rt(inst); |
| 464 | emulated = kvmppc_handle_load(run, vcpu, rt, 2, 1); |
| 465 | break; |
| 466 | |
Hollis Blanchard | cea5d8c | 2009-01-03 16:23:05 -0600 | [diff] [blame] | 467 | case OP_LHZU: |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 468 | ra = get_ra(inst); |
| 469 | rt = get_rt(inst); |
| 470 | emulated = kvmppc_handle_load(run, vcpu, rt, 2, 1); |
Alexander Graf | 6020c0f | 2012-03-12 02:26:30 +0100 | [diff] [blame^] | 471 | kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed); |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 472 | break; |
| 473 | |
Alexander Graf | 3587d53 | 2010-02-19 11:00:30 +0100 | [diff] [blame] | 474 | case OP_LHA: |
| 475 | rt = get_rt(inst); |
| 476 | emulated = kvmppc_handle_loads(run, vcpu, rt, 2, 1); |
| 477 | break; |
| 478 | |
| 479 | case OP_LHAU: |
| 480 | ra = get_ra(inst); |
| 481 | rt = get_rt(inst); |
| 482 | emulated = kvmppc_handle_loads(run, vcpu, rt, 2, 1); |
Alexander Graf | 6020c0f | 2012-03-12 02:26:30 +0100 | [diff] [blame^] | 483 | kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed); |
Alexander Graf | 3587d53 | 2010-02-19 11:00:30 +0100 | [diff] [blame] | 484 | break; |
| 485 | |
Hollis Blanchard | cea5d8c | 2009-01-03 16:23:05 -0600 | [diff] [blame] | 486 | case OP_STH: |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 487 | rs = get_rs(inst); |
Alexander Graf | 8e5b26b | 2010-01-08 02:58:01 +0100 | [diff] [blame] | 488 | emulated = kvmppc_handle_store(run, vcpu, |
| 489 | kvmppc_get_gpr(vcpu, rs), |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 490 | 2, 1); |
| 491 | break; |
| 492 | |
Hollis Blanchard | cea5d8c | 2009-01-03 16:23:05 -0600 | [diff] [blame] | 493 | case OP_STHU: |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 494 | ra = get_ra(inst); |
| 495 | rs = get_rs(inst); |
Alexander Graf | 8e5b26b | 2010-01-08 02:58:01 +0100 | [diff] [blame] | 496 | emulated = kvmppc_handle_store(run, vcpu, |
| 497 | kvmppc_get_gpr(vcpu, rs), |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 498 | 2, 1); |
Alexander Graf | 6020c0f | 2012-03-12 02:26:30 +0100 | [diff] [blame^] | 499 | kvmppc_set_gpr(vcpu, ra, vcpu->arch.vaddr_accessed); |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 500 | break; |
| 501 | |
| 502 | default: |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 503 | emulated = EMULATE_FAIL; |
Hollis Blanchard | 75f74f0 | 2008-11-05 09:36:16 -0600 | [diff] [blame] | 504 | } |
| 505 | |
| 506 | if (emulated == EMULATE_FAIL) { |
| 507 | emulated = kvmppc_core_emulate_op(run, vcpu, inst, &advance); |
Alexander Graf | 37f5bca | 2010-02-19 11:00:31 +0100 | [diff] [blame] | 508 | if (emulated == EMULATE_AGAIN) { |
| 509 | advance = 0; |
| 510 | } else if (emulated == EMULATE_FAIL) { |
Hollis Blanchard | 75f74f0 | 2008-11-05 09:36:16 -0600 | [diff] [blame] | 511 | advance = 0; |
| 512 | printk(KERN_ERR "Couldn't emulate instruction 0x%08x " |
| 513 | "(op %d xop %d)\n", inst, get_op(inst), get_xop(inst)); |
Alexander Graf | 5f2b105 | 2010-01-10 03:27:32 +0100 | [diff] [blame] | 514 | kvmppc_core_queue_program(vcpu, 0); |
Hollis Blanchard | 75f74f0 | 2008-11-05 09:36:16 -0600 | [diff] [blame] | 515 | } |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 516 | } |
| 517 | |
Alexander Graf | c7f38f4 | 2010-04-16 00:11:40 +0200 | [diff] [blame] | 518 | trace_kvm_ppc_instr(inst, kvmppc_get_pc(vcpu), emulated); |
Christian Ehrhardt | 3b4bd79 | 2008-07-14 14:00:04 +0200 | [diff] [blame] | 519 | |
Alexander Graf | c7f38f4 | 2010-04-16 00:11:40 +0200 | [diff] [blame] | 520 | /* Advance past emulated instruction. */ |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 521 | if (advance) |
Alexander Graf | c7f38f4 | 2010-04-16 00:11:40 +0200 | [diff] [blame] | 522 | kvmppc_set_pc(vcpu, kvmppc_get_pc(vcpu) + 4); |
Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 523 | |
| 524 | return emulated; |
| 525 | } |