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authorHollis Blanchard <hollisb@us.ibm.com>2009-01-03 17:23:05 -0500
committerAvi Kivity <avi@redhat.com>2009-03-24 05:02:57 -0400
commitcea5d8c9de669e30ed6d60930318376d5cc42e9e (patch)
tree35645c4bb1144268ad4b8f18f151ca9e3c2305e9 /arch/powerpc/kvm/emulate.c
parentf44353610b584fcbc31e363f35594796c6446d63 (diff)
KVM: ppc: use macros instead of hardcoded literals for instruction decoding
Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/powerpc/kvm/emulate.c')
-rw-r--r--arch/powerpc/kvm/emulate.c93
1 files changed, 63 insertions, 30 deletions
diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c
index d1d38daa93fb..a561d6e8da1c 100644
--- a/arch/powerpc/kvm/emulate.c
+++ b/arch/powerpc/kvm/emulate.c
@@ -30,6 +30,39 @@
30#include <asm/disassemble.h> 30#include <asm/disassemble.h>
31#include "timing.h" 31#include "timing.h"
32 32
33#define OP_TRAP 3
34
35#define OP_31_XOP_LWZX 23
36#define OP_31_XOP_LBZX 87
37#define OP_31_XOP_STWX 151
38#define OP_31_XOP_STBX 215
39#define OP_31_XOP_STBUX 247
40#define OP_31_XOP_LHZX 279
41#define OP_31_XOP_LHZUX 311
42#define OP_31_XOP_MFSPR 339
43#define OP_31_XOP_STHX 407
44#define OP_31_XOP_STHUX 439
45#define OP_31_XOP_MTSPR 467
46#define OP_31_XOP_DCBI 470
47#define OP_31_XOP_LWBRX 534
48#define OP_31_XOP_TLBSYNC 566
49#define OP_31_XOP_STWBRX 662
50#define OP_31_XOP_LHBRX 790
51#define OP_31_XOP_STHBRX 918
52
53#define OP_LWZ 32
54#define OP_LWZU 33
55#define OP_LBZ 34
56#define OP_LBZU 35
57#define OP_STW 36
58#define OP_STWU 37
59#define OP_STB 38
60#define OP_STBU 39
61#define OP_LHZ 40
62#define OP_LHZU 41
63#define OP_STH 44
64#define OP_STHU 45
65
33void kvmppc_emulate_dec(struct kvm_vcpu *vcpu) 66void kvmppc_emulate_dec(struct kvm_vcpu *vcpu)
34{ 67{
35 if (vcpu->arch.tcr & TCR_DIE) { 68 if (vcpu->arch.tcr & TCR_DIE) {
@@ -78,7 +111,7 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
78 kvmppc_set_exit_type(vcpu, EMULATED_INST_EXITS); 111 kvmppc_set_exit_type(vcpu, EMULATED_INST_EXITS);
79 112
80 switch (get_op(inst)) { 113 switch (get_op(inst)) {
81 case 3: /* trap */ 114 case OP_TRAP:
82 vcpu->arch.esr |= ESR_PTR; 115 vcpu->arch.esr |= ESR_PTR;
83 kvmppc_core_queue_program(vcpu); 116 kvmppc_core_queue_program(vcpu);
84 advance = 0; 117 advance = 0;
@@ -87,31 +120,31 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
87 case 31: 120 case 31:
88 switch (get_xop(inst)) { 121 switch (get_xop(inst)) {
89 122
90 case 23: /* lwzx */ 123 case OP_31_XOP_LWZX:
91 rt = get_rt(inst); 124 rt = get_rt(inst);
92 emulated = kvmppc_handle_load(run, vcpu, rt, 4, 1); 125 emulated = kvmppc_handle_load(run, vcpu, rt, 4, 1);
93 break; 126 break;
94 127
95 case 87: /* lbzx */ 128 case OP_31_XOP_LBZX:
96 rt = get_rt(inst); 129 rt = get_rt(inst);
97 emulated = kvmppc_handle_load(run, vcpu, rt, 1, 1); 130 emulated = kvmppc_handle_load(run, vcpu, rt, 1, 1);
98 break; 131 break;
99 132
100 case 151: /* stwx */ 133 case OP_31_XOP_STWX:
101 rs = get_rs(inst); 134 rs = get_rs(inst);
102 emulated = kvmppc_handle_store(run, vcpu, 135 emulated = kvmppc_handle_store(run, vcpu,
103 vcpu->arch.gpr[rs], 136 vcpu->arch.gpr[rs],
104 4, 1); 137 4, 1);
105 break; 138 break;
106 139
107 case 215: /* stbx */ 140 case OP_31_XOP_STBX:
108 rs = get_rs(inst); 141 rs = get_rs(inst);
109 emulated = kvmppc_handle_store(run, vcpu, 142 emulated = kvmppc_handle_store(run, vcpu,
110 vcpu->arch.gpr[rs], 143 vcpu->arch.gpr[rs],
111 1, 1); 144 1, 1);
112 break; 145 break;
113 146
114 case 247: /* stbux */ 147 case OP_31_XOP_STBUX:
115 rs = get_rs(inst); 148 rs = get_rs(inst);
116 ra = get_ra(inst); 149 ra = get_ra(inst);
117 rb = get_rb(inst); 150 rb = get_rb(inst);
@@ -126,12 +159,12 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
126 vcpu->arch.gpr[rs] = ea; 159 vcpu->arch.gpr[rs] = ea;
127 break; 160 break;
128 161
129 case 279: /* lhzx */ 162 case OP_31_XOP_LHZX:
130 rt = get_rt(inst); 163 rt = get_rt(inst);
131 emulated = kvmppc_handle_load(run, vcpu, rt, 2, 1); 164 emulated = kvmppc_handle_load(run, vcpu, rt, 2, 1);
132 break; 165 break;
133 166
134 case 311: /* lhzux */ 167 case OP_31_XOP_LHZUX:
135 rt = get_rt(inst); 168 rt = get_rt(inst);
136 ra = get_ra(inst); 169 ra = get_ra(inst);
137 rb = get_rb(inst); 170 rb = get_rb(inst);
@@ -144,7 +177,7 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
144 vcpu->arch.gpr[ra] = ea; 177 vcpu->arch.gpr[ra] = ea;
145 break; 178 break;
146 179
147 case 339: /* mfspr */ 180 case OP_31_XOP_MFSPR:
148 sprn = get_sprn(inst); 181 sprn = get_sprn(inst);
149 rt = get_rt(inst); 182 rt = get_rt(inst);
150 183
@@ -185,7 +218,7 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
185 } 218 }
186 break; 219 break;
187 220
188 case 407: /* sthx */ 221 case OP_31_XOP_STHX:
189 rs = get_rs(inst); 222 rs = get_rs(inst);
190 ra = get_ra(inst); 223 ra = get_ra(inst);
191 rb = get_rb(inst); 224 rb = get_rb(inst);
@@ -195,7 +228,7 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
195 2, 1); 228 2, 1);
196 break; 229 break;
197 230
198 case 439: /* sthux */ 231 case OP_31_XOP_STHUX:
199 rs = get_rs(inst); 232 rs = get_rs(inst);
200 ra = get_ra(inst); 233 ra = get_ra(inst);
201 rb = get_rb(inst); 234 rb = get_rb(inst);
@@ -210,7 +243,7 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
210 vcpu->arch.gpr[ra] = ea; 243 vcpu->arch.gpr[ra] = ea;
211 break; 244 break;
212 245
213 case 467: /* mtspr */ 246 case OP_31_XOP_MTSPR:
214 sprn = get_sprn(inst); 247 sprn = get_sprn(inst);
215 rs = get_rs(inst); 248 rs = get_rs(inst);
216 switch (sprn) { 249 switch (sprn) {
@@ -246,7 +279,7 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
246 } 279 }
247 break; 280 break;
248 281
249 case 470: /* dcbi */ 282 case OP_31_XOP_DCBI:
250 /* Do nothing. The guest is performing dcbi because 283 /* Do nothing. The guest is performing dcbi because
251 * hardware DMA is not snooped by the dcache, but 284 * hardware DMA is not snooped by the dcache, but
252 * emulated DMA either goes through the dcache as 285 * emulated DMA either goes through the dcache as
@@ -254,15 +287,15 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
254 * coherence. */ 287 * coherence. */
255 break; 288 break;
256 289
257 case 534: /* lwbrx */ 290 case OP_31_XOP_LWBRX:
258 rt = get_rt(inst); 291 rt = get_rt(inst);
259 emulated = kvmppc_handle_load(run, vcpu, rt, 4, 0); 292 emulated = kvmppc_handle_load(run, vcpu, rt, 4, 0);
260 break; 293 break;
261 294
262 case 566: /* tlbsync */ 295 case OP_31_XOP_TLBSYNC:
263 break; 296 break;
264 297
265 case 662: /* stwbrx */ 298 case OP_31_XOP_STWBRX:
266 rs = get_rs(inst); 299 rs = get_rs(inst);
267 ra = get_ra(inst); 300 ra = get_ra(inst);
268 rb = get_rb(inst); 301 rb = get_rb(inst);
@@ -272,12 +305,12 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
272 4, 0); 305 4, 0);
273 break; 306 break;
274 307
275 case 790: /* lhbrx */ 308 case OP_31_XOP_LHBRX:
276 rt = get_rt(inst); 309 rt = get_rt(inst);
277 emulated = kvmppc_handle_load(run, vcpu, rt, 2, 0); 310 emulated = kvmppc_handle_load(run, vcpu, rt, 2, 0);
278 break; 311 break;
279 312
280 case 918: /* sthbrx */ 313 case OP_31_XOP_STHBRX:
281 rs = get_rs(inst); 314 rs = get_rs(inst);
282 ra = get_ra(inst); 315 ra = get_ra(inst);
283 rb = get_rb(inst); 316 rb = get_rb(inst);
@@ -293,37 +326,37 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
293 } 326 }
294 break; 327 break;
295 328
296 case 32: /* lwz */ 329 case OP_LWZ:
297 rt = get_rt(inst); 330 rt = get_rt(inst);
298 emulated = kvmppc_handle_load(run, vcpu, rt, 4, 1); 331 emulated = kvmppc_handle_load(run, vcpu, rt, 4, 1);
299 break; 332 break;
300 333
301 case 33: /* lwzu */ 334 case OP_LWZU:
302 ra = get_ra(inst); 335 ra = get_ra(inst);
303 rt = get_rt(inst); 336 rt = get_rt(inst);
304 emulated = kvmppc_handle_load(run, vcpu, rt, 4, 1); 337 emulated = kvmppc_handle_load(run, vcpu, rt, 4, 1);
305 vcpu->arch.gpr[ra] = vcpu->arch.paddr_accessed; 338 vcpu->arch.gpr[ra] = vcpu->arch.paddr_accessed;
306 break; 339 break;
307 340
308 case 34: /* lbz */ 341 case OP_LBZ:
309 rt = get_rt(inst); 342 rt = get_rt(inst);
310 emulated = kvmppc_handle_load(run, vcpu, rt, 1, 1); 343 emulated = kvmppc_handle_load(run, vcpu, rt, 1, 1);
311 break; 344 break;
312 345
313 case 35: /* lbzu */ 346 case OP_LBZU:
314 ra = get_ra(inst); 347 ra = get_ra(inst);
315 rt = get_rt(inst); 348 rt = get_rt(inst);
316 emulated = kvmppc_handle_load(run, vcpu, rt, 1, 1); 349 emulated = kvmppc_handle_load(run, vcpu, rt, 1, 1);
317 vcpu->arch.gpr[ra] = vcpu->arch.paddr_accessed; 350 vcpu->arch.gpr[ra] = vcpu->arch.paddr_accessed;
318 break; 351 break;
319 352
320 case 36: /* stw */ 353 case OP_STW:
321 rs = get_rs(inst); 354 rs = get_rs(inst);
322 emulated = kvmppc_handle_store(run, vcpu, vcpu->arch.gpr[rs], 355 emulated = kvmppc_handle_store(run, vcpu, vcpu->arch.gpr[rs],
323 4, 1); 356 4, 1);
324 break; 357 break;
325 358
326 case 37: /* stwu */ 359 case OP_STWU:
327 ra = get_ra(inst); 360 ra = get_ra(inst);
328 rs = get_rs(inst); 361 rs = get_rs(inst);
329 emulated = kvmppc_handle_store(run, vcpu, vcpu->arch.gpr[rs], 362 emulated = kvmppc_handle_store(run, vcpu, vcpu->arch.gpr[rs],
@@ -331,13 +364,13 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
331 vcpu->arch.gpr[ra] = vcpu->arch.paddr_accessed; 364 vcpu->arch.gpr[ra] = vcpu->arch.paddr_accessed;
332 break; 365 break;
333 366
334 case 38: /* stb */ 367 case OP_STB:
335 rs = get_rs(inst); 368 rs = get_rs(inst);
336 emulated = kvmppc_handle_store(run, vcpu, vcpu->arch.gpr[rs], 369 emulated = kvmppc_handle_store(run, vcpu, vcpu->arch.gpr[rs],
337 1, 1); 370 1, 1);
338 break; 371 break;
339 372
340 case 39: /* stbu */ 373 case OP_STBU:
341 ra = get_ra(inst); 374 ra = get_ra(inst);
342 rs = get_rs(inst); 375 rs = get_rs(inst);
343 emulated = kvmppc_handle_store(run, vcpu, vcpu->arch.gpr[rs], 376 emulated = kvmppc_handle_store(run, vcpu, vcpu->arch.gpr[rs],
@@ -345,25 +378,25 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
345 vcpu->arch.gpr[ra] = vcpu->arch.paddr_accessed; 378 vcpu->arch.gpr[ra] = vcpu->arch.paddr_accessed;
346 break; 379 break;
347 380
348 case 40: /* lhz */ 381 case OP_LHZ:
349 rt = get_rt(inst); 382 rt = get_rt(inst);
350 emulated = kvmppc_handle_load(run, vcpu, rt, 2, 1); 383 emulated = kvmppc_handle_load(run, vcpu, rt, 2, 1);
351 break; 384 break;
352 385
353 case 41: /* lhzu */ 386 case OP_LHZU:
354 ra = get_ra(inst); 387 ra = get_ra(inst);
355 rt = get_rt(inst); 388 rt = get_rt(inst);
356 emulated = kvmppc_handle_load(run, vcpu, rt, 2, 1); 389 emulated = kvmppc_handle_load(run, vcpu, rt, 2, 1);
357 vcpu->arch.gpr[ra] = vcpu->arch.paddr_accessed; 390 vcpu->arch.gpr[ra] = vcpu->arch.paddr_accessed;
358 break; 391 break;
359 392
360 case 44: /* sth */ 393 case OP_STH:
361 rs = get_rs(inst); 394 rs = get_rs(inst);
362 emulated = kvmppc_handle_store(run, vcpu, vcpu->arch.gpr[rs], 395 emulated = kvmppc_handle_store(run, vcpu, vcpu->arch.gpr[rs],
363 2, 1); 396 2, 1);
364 break; 397 break;
365 398
366 case 45: /* sthu */ 399 case OP_STHU:
367 ra = get_ra(inst); 400 ra = get_ra(inst);
368 rs = get_rs(inst); 401 rs = get_rs(inst);
369 emulated = kvmppc_handle_store(run, vcpu, vcpu->arch.gpr[rs], 402 emulated = kvmppc_handle_store(run, vcpu, vcpu->arch.gpr[rs],
generated by cgit v1.2.2 (git 2.25.0) at 2024-09-22 23:20:40 -0400