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authorHollis Blanchard <hollisb@us.ibm.com>2009-01-03 17:23:06 -0500
committerAvi Kivity <avi@redhat.com>2009-03-24 05:02:57 -0400
commitd0c7dc03442f7cbd8740d9a4e7a4e7f84bfa676d (patch)
tree8f0aa28d4734fc20249239b4736ac437a19c3937 /arch/powerpc/kvm/44x_emulate.c
parentcea5d8c9de669e30ed6d60930318376d5cc42e9e (diff)
KVM: ppc: split out common Book E instruction emulation
The Book E code will be shared with e500. I've left PID in kvmppc_core_emulate_op() just so that we don't need to move kvmppc_set_pid() right now. Once we have the e500 implementation, we can probably share that too. Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/powerpc/kvm/44x_emulate.c')
-rw-r--r--arch/powerpc/kvm/44x_emulate.c217
1 files changed, 15 insertions, 202 deletions
diff --git a/arch/powerpc/kvm/44x_emulate.c b/arch/powerpc/kvm/44x_emulate.c
index 82489a743a6f..61af58fcecee 100644
--- a/arch/powerpc/kvm/44x_emulate.c
+++ b/arch/powerpc/kvm/44x_emulate.c
@@ -27,25 +27,12 @@
27#include "booke.h" 27#include "booke.h"
28#include "44x_tlb.h" 28#include "44x_tlb.h"
29 29
30#define OP_RFI 19
31
32#define XOP_RFI 50
33#define XOP_MFMSR 83
34#define XOP_WRTEE 131
35#define XOP_MTMSR 146
36#define XOP_WRTEEI 163
37#define XOP_MFDCR 323 30#define XOP_MFDCR 323
38#define XOP_MTDCR 451 31#define XOP_MTDCR 451
39#define XOP_TLBSX 914 32#define XOP_TLBSX 914
40#define XOP_ICCCI 966 33#define XOP_ICCCI 966
41#define XOP_TLBWE 978 34#define XOP_TLBWE 978
42 35
43static void kvmppc_emul_rfi(struct kvm_vcpu *vcpu)
44{
45 vcpu->arch.pc = vcpu->arch.srr0;
46 kvmppc_set_msr(vcpu, vcpu->arch.srr1);
47}
48
49int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu, 36int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
50 unsigned int inst, int *advance) 37 unsigned int inst, int *advance)
51{ 38{
@@ -59,48 +46,9 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
59 int ws; 46 int ws;
60 47
61 switch (get_op(inst)) { 48 switch (get_op(inst)) {
62 case OP_RFI:
63 switch (get_xop(inst)) {
64 case XOP_RFI:
65 kvmppc_emul_rfi(vcpu);
66 kvmppc_set_exit_type(vcpu, EMULATED_RFI_EXITS);
67 *advance = 0;
68 break;
69
70 default:
71 emulated = EMULATE_FAIL;
72 break;
73 }
74 break;
75
76 case 31: 49 case 31:
77 switch (get_xop(inst)) { 50 switch (get_xop(inst)) {
78 51
79 case XOP_MFMSR:
80 rt = get_rt(inst);
81 vcpu->arch.gpr[rt] = vcpu->arch.msr;
82 kvmppc_set_exit_type(vcpu, EMULATED_MFMSR_EXITS);
83 break;
84
85 case XOP_MTMSR:
86 rs = get_rs(inst);
87 kvmppc_set_exit_type(vcpu, EMULATED_MTMSR_EXITS);
88 kvmppc_set_msr(vcpu, vcpu->arch.gpr[rs]);
89 break;
90
91 case XOP_WRTEE:
92 rs = get_rs(inst);
93 vcpu->arch.msr = (vcpu->arch.msr & ~MSR_EE)
94 | (vcpu->arch.gpr[rs] & MSR_EE);
95 kvmppc_set_exit_type(vcpu, EMULATED_WRTEE_EXITS);
96 break;
97
98 case XOP_WRTEEI:
99 vcpu->arch.msr = (vcpu->arch.msr & ~MSR_EE)
100 | (inst & MSR_EE);
101 kvmppc_set_exit_type(vcpu, EMULATED_WRTEE_EXITS);
102 break;
103
104 case XOP_MFDCR: 52 case XOP_MFDCR:
105 dcrn = get_dcrn(inst); 53 dcrn = get_dcrn(inst);
106 rt = get_rt(inst); 54 rt = get_rt(inst);
@@ -186,186 +134,51 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
186 emulated = EMULATE_FAIL; 134 emulated = EMULATE_FAIL;
187 } 135 }
188 136
137 if (emulated == EMULATE_FAIL)
138 emulated = kvmppc_booke_emulate_op(run, vcpu, inst, advance);
139
189 return emulated; 140 return emulated;
190} 141}
191 142
192int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs) 143int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)
193{ 144{
145 int emulated = EMULATE_DONE;
146
194 switch (sprn) { 147 switch (sprn) {
195 case SPRN_MMUCR:
196 vcpu->arch.mmucr = vcpu->arch.gpr[rs]; break;
197 case SPRN_PID: 148 case SPRN_PID:
198 kvmppc_set_pid(vcpu, vcpu->arch.gpr[rs]); break; 149 kvmppc_set_pid(vcpu, vcpu->arch.gpr[rs]); break;
150 case SPRN_MMUCR:
151 vcpu->arch.mmucr = vcpu->arch.gpr[rs]; break;
199 case SPRN_CCR0: 152 case SPRN_CCR0:
200 vcpu->arch.ccr0 = vcpu->arch.gpr[rs]; break; 153 vcpu->arch.ccr0 = vcpu->arch.gpr[rs]; break;
201 case SPRN_CCR1: 154 case SPRN_CCR1:
202 vcpu->arch.ccr1 = vcpu->arch.gpr[rs]; break; 155 vcpu->arch.ccr1 = vcpu->arch.gpr[rs]; break;
203 case SPRN_DEAR:
204 vcpu->arch.dear = vcpu->arch.gpr[rs]; break;
205 case SPRN_ESR:
206 vcpu->arch.esr = vcpu->arch.gpr[rs]; break;
207 case SPRN_DBCR0:
208 vcpu->arch.dbcr0 = vcpu->arch.gpr[rs]; break;
209 case SPRN_DBCR1:
210 vcpu->arch.dbcr1 = vcpu->arch.gpr[rs]; break;
211 case SPRN_TSR:
212 vcpu->arch.tsr &= ~vcpu->arch.gpr[rs]; break;
213 case SPRN_TCR:
214 vcpu->arch.tcr = vcpu->arch.gpr[rs];
215 kvmppc_emulate_dec(vcpu);
216 break;
217
218 /* Note: SPRG4-7 are user-readable. These values are
219 * loaded into the real SPRGs when resuming the
220 * guest. */
221 case SPRN_SPRG4:
222 vcpu->arch.sprg4 = vcpu->arch.gpr[rs]; break;
223 case SPRN_SPRG5:
224 vcpu->arch.sprg5 = vcpu->arch.gpr[rs]; break;
225 case SPRN_SPRG6:
226 vcpu->arch.sprg6 = vcpu->arch.gpr[rs]; break;
227 case SPRN_SPRG7:
228 vcpu->arch.sprg7 = vcpu->arch.gpr[rs]; break;
229
230 case SPRN_IVPR:
231 vcpu->arch.ivpr = vcpu->arch.gpr[rs];
232 break;
233 case SPRN_IVOR0:
234 vcpu->arch.ivor[BOOKE_IRQPRIO_CRITICAL] = vcpu->arch.gpr[rs];
235 break;
236 case SPRN_IVOR1:
237 vcpu->arch.ivor[BOOKE_IRQPRIO_MACHINE_CHECK] = vcpu->arch.gpr[rs];
238 break;
239 case SPRN_IVOR2:
240 vcpu->arch.ivor[BOOKE_IRQPRIO_DATA_STORAGE] = vcpu->arch.gpr[rs];
241 break;
242 case SPRN_IVOR3:
243 vcpu->arch.ivor[BOOKE_IRQPRIO_INST_STORAGE] = vcpu->arch.gpr[rs];
244 break;
245 case SPRN_IVOR4:
246 vcpu->arch.ivor[BOOKE_IRQPRIO_EXTERNAL] = vcpu->arch.gpr[rs];
247 break;
248 case SPRN_IVOR5:
249 vcpu->arch.ivor[BOOKE_IRQPRIO_ALIGNMENT] = vcpu->arch.gpr[rs];
250 break;
251 case SPRN_IVOR6:
252 vcpu->arch.ivor[BOOKE_IRQPRIO_PROGRAM] = vcpu->arch.gpr[rs];
253 break;
254 case SPRN_IVOR7:
255 vcpu->arch.ivor[BOOKE_IRQPRIO_FP_UNAVAIL] = vcpu->arch.gpr[rs];
256 break;
257 case SPRN_IVOR8:
258 vcpu->arch.ivor[BOOKE_IRQPRIO_SYSCALL] = vcpu->arch.gpr[rs];
259 break;
260 case SPRN_IVOR9:
261 vcpu->arch.ivor[BOOKE_IRQPRIO_AP_UNAVAIL] = vcpu->arch.gpr[rs];
262 break;
263 case SPRN_IVOR10:
264 vcpu->arch.ivor[BOOKE_IRQPRIO_DECREMENTER] = vcpu->arch.gpr[rs];
265 break;
266 case SPRN_IVOR11:
267 vcpu->arch.ivor[BOOKE_IRQPRIO_FIT] = vcpu->arch.gpr[rs];
268 break;
269 case SPRN_IVOR12:
270 vcpu->arch.ivor[BOOKE_IRQPRIO_WATCHDOG] = vcpu->arch.gpr[rs];
271 break;
272 case SPRN_IVOR13:
273 vcpu->arch.ivor[BOOKE_IRQPRIO_DTLB_MISS] = vcpu->arch.gpr[rs];
274 break;
275 case SPRN_IVOR14:
276 vcpu->arch.ivor[BOOKE_IRQPRIO_ITLB_MISS] = vcpu->arch.gpr[rs];
277 break;
278 case SPRN_IVOR15:
279 vcpu->arch.ivor[BOOKE_IRQPRIO_DEBUG] = vcpu->arch.gpr[rs];
280 break;
281
282 default: 156 default:
283 return EMULATE_FAIL; 157 emulated = kvmppc_booke_emulate_mtspr(vcpu, sprn, rs);
284 } 158 }
285 159
286 kvmppc_set_exit_type(vcpu, EMULATED_MTSPR_EXITS); 160 kvmppc_set_exit_type(vcpu, EMULATED_MTSPR_EXITS);
287 return EMULATE_DONE; 161 return emulated;
288} 162}
289 163
290int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt) 164int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)
291{ 165{
166 int emulated = EMULATE_DONE;
167
292 switch (sprn) { 168 switch (sprn) {
293 /* 440 */ 169 case SPRN_PID:
170 vcpu->arch.gpr[rt] = vcpu->arch.pid; break;
294 case SPRN_MMUCR: 171 case SPRN_MMUCR:
295 vcpu->arch.gpr[rt] = vcpu->arch.mmucr; break; 172 vcpu->arch.gpr[rt] = vcpu->arch.mmucr; break;
296 case SPRN_CCR0: 173 case SPRN_CCR0:
297 vcpu->arch.gpr[rt] = vcpu->arch.ccr0; break; 174 vcpu->arch.gpr[rt] = vcpu->arch.ccr0; break;
298 case SPRN_CCR1: 175 case SPRN_CCR1:
299 vcpu->arch.gpr[rt] = vcpu->arch.ccr1; break; 176 vcpu->arch.gpr[rt] = vcpu->arch.ccr1; break;
300
301 /* Book E */
302 case SPRN_PID:
303 vcpu->arch.gpr[rt] = vcpu->arch.pid; break;
304 case SPRN_IVPR:
305 vcpu->arch.gpr[rt] = vcpu->arch.ivpr; break;
306 case SPRN_DEAR:
307 vcpu->arch.gpr[rt] = vcpu->arch.dear; break;
308 case SPRN_ESR:
309 vcpu->arch.gpr[rt] = vcpu->arch.esr; break;
310 case SPRN_DBCR0:
311 vcpu->arch.gpr[rt] = vcpu->arch.dbcr0; break;
312 case SPRN_DBCR1:
313 vcpu->arch.gpr[rt] = vcpu->arch.dbcr1; break;
314
315 case SPRN_IVOR0:
316 vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_CRITICAL];
317 break;
318 case SPRN_IVOR1:
319 vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_MACHINE_CHECK];
320 break;
321 case SPRN_IVOR2:
322 vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_DATA_STORAGE];
323 break;
324 case SPRN_IVOR3:
325 vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_INST_STORAGE];
326 break;
327 case SPRN_IVOR4:
328 vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_EXTERNAL];
329 break;
330 case SPRN_IVOR5:
331 vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_ALIGNMENT];
332 break;
333 case SPRN_IVOR6:
334 vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_PROGRAM];
335 break;
336 case SPRN_IVOR7:
337 vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_FP_UNAVAIL];
338 break;
339 case SPRN_IVOR8:
340 vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_SYSCALL];
341 break;
342 case SPRN_IVOR9:
343 vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_AP_UNAVAIL];
344 break;
345 case SPRN_IVOR10:
346 vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_DECREMENTER];
347 break;
348 case SPRN_IVOR11:
349 vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_FIT];
350 break;
351 case SPRN_IVOR12:
352 vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_WATCHDOG];
353 break;
354 case SPRN_IVOR13:
355 vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_DTLB_MISS];
356 break;
357 case SPRN_IVOR14:
358 vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_ITLB_MISS];
359 break;
360 case SPRN_IVOR15:
361 vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_DEBUG];
362 break;
363
364 default: 177 default:
365 return EMULATE_FAIL; 178 emulated = kvmppc_booke_emulate_mfspr(vcpu, sprn, rt);
366 } 179 }
367 180
368 kvmppc_set_exit_type(vcpu, EMULATED_MFSPR_EXITS); 181 kvmppc_set_exit_type(vcpu, EMULATED_MFSPR_EXITS);
369 return EMULATE_DONE; 182 return emulated;
370} 183}
371 184
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