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meson: convert hw/tpm
[qemu/ar7.git] / target / tricore / op_helper.c
blob32c2bc169981723ef3ed64f51fbd4545eca59331
1 /*
2 * Copyright (c) 2012-2014 Bastian Koppelmann C-Lab/University Paderborn
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
16 */
17 #include "qemu/osdep.h"
18 #include "cpu.h"
19 #include "qemu/host-utils.h"
20 #include "exec/helper-proto.h"
21 #include "exec/exec-all.h"
22 #include "exec/cpu_ldst.h"
23 #include <zlib.h> /* for crc32 */
24
25
26 /* Exception helpers */
27
28 static void QEMU_NORETURN
29 raise_exception_sync_internal(CPUTriCoreState *env, uint32_t class, int tin,
30 uintptr_t pc, uint32_t fcd_pc)
31 {
32 CPUState *cs = env_cpu(env);
33 /* in case we come from a helper-call we need to restore the PC */
34 cpu_restore_state(cs, pc, true);
35
36 /* Tin is loaded into d[15] */
37 env->gpr_d[15] = tin;
38
39 if (class == TRAPC_CTX_MNG && tin == TIN3_FCU) {
40 /* upper context cannot be saved, if the context list is empty */
41 } else {
42 helper_svucx(env);
43 }
44
45 /* The return address in a[11] is updated */
46 if (class == TRAPC_CTX_MNG && tin == TIN3_FCD) {
47 env->SYSCON |= MASK_SYSCON_FCD_SF;
48 /* when we run out of CSAs after saving a context a FCD trap is taken
49 and the return address is the start of the trap handler which used
50 the last CSA */
51 env->gpr_a[11] = fcd_pc;
52 } else if (class == TRAPC_SYSCALL) {
53 env->gpr_a[11] = env->PC + 4;
54 } else {
55 env->gpr_a[11] = env->PC;
56 }
57 /* The stack pointer in A[10] is set to the Interrupt Stack Pointer (ISP)
58 when the processor was not previously using the interrupt stack
59 (in case of PSW.IS = 0). The stack pointer bit is set for using the
60 interrupt stack: PSW.IS = 1. */
61 if ((env->PSW & MASK_PSW_IS) == 0) {
62 env->gpr_a[10] = env->ISP;
63 }
64 env->PSW |= MASK_PSW_IS;
65 /* The I/O mode is set to Supervisor mode, which means all permissions
66 are enabled: PSW.IO = 10 B .*/
67 env->PSW |= (2 << 10);
68
69 /*The current Protection Register Set is set to 0: PSW.PRS = 00 B .*/
70 env->PSW &= ~MASK_PSW_PRS;
71
72 /* The Call Depth Counter (CDC) is cleared, and the call depth limit is
73 set for 64: PSW.CDC = 0000000 B .*/
74 env->PSW &= ~MASK_PSW_CDC;
75
76 /* Call Depth Counter is enabled, PSW.CDE = 1. */
77 env->PSW |= MASK_PSW_CDE;
78
79 /* Write permission to global registers A[0], A[1], A[8], A[9] is
80 disabled: PSW.GW = 0. */
81 env->PSW &= ~MASK_PSW_GW;
82
83 /*The interrupt system is globally disabled: ICR.IE = 0. The ‘old’
84 ICR.IE and ICR.CCPN are saved */
85
86 /* PCXI.PIE = ICR.IE */
87 env->PCXI = ((env->PCXI & ~MASK_PCXI_PIE_1_3) +
88 ((env->ICR & MASK_ICR_IE_1_3) << 15));
89 /* PCXI.PCPN = ICR.CCPN */
90 env->PCXI = (env->PCXI & 0xffffff) +
91 ((env->ICR & MASK_ICR_CCPN) << 24);
92 /* Update PC using the trap vector table */
93 env->PC = env->BTV | (class << 5);
94
95 cpu_loop_exit(cs);
96 }
97
98 void helper_raise_exception_sync(CPUTriCoreState *env, uint32_t class,
99 uint32_t tin)
100 {
101 raise_exception_sync_internal(env, class, tin, 0, 0);
102 }
103
104 static void raise_exception_sync_helper(CPUTriCoreState *env, uint32_t class,
105 uint32_t tin, uintptr_t pc)
106 {
107 raise_exception_sync_internal(env, class, tin, pc, 0);
108 }
109
110 void helper_qemu_excp(CPUTriCoreState *env, uint32_t excp)
111 {
112 CPUState *cs = env_cpu(env);
113 cs->exception_index = excp;
114 cpu_loop_exit(cs);
115 }
116
117 /* Addressing mode helper */
118
119 static uint16_t reverse16(uint16_t val)
120 {
121 uint8_t high = (uint8_t)(val >> 8);
122 uint8_t low = (uint8_t)(val & 0xff);
123
124 uint16_t rh, rl;
125
126 rl = (uint16_t)((high * 0x0202020202ULL & 0x010884422010ULL) % 1023);
127 rh = (uint16_t)((low * 0x0202020202ULL & 0x010884422010ULL) % 1023);
128
129 return (rh << 8) | rl;
130 }
131
132 uint32_t helper_br_update(uint32_t reg)
133 {
134 uint32_t index = reg & 0xffff;
135 uint32_t incr = reg >> 16;
136 uint32_t new_index = reverse16(reverse16(index) + reverse16(incr));
137 return reg - index + new_index;
138 }
139
140 uint32_t helper_circ_update(uint32_t reg, uint32_t off)
141 {
142 uint32_t index = reg & 0xffff;
143 uint32_t length = reg >> 16;
144 int32_t new_index = index + off;
145 if (new_index < 0) {
146 new_index += length;
147 } else {
148 new_index %= length;
149 }
150 return reg - index + new_index;
151 }
152
153 static uint32_t ssov32(CPUTriCoreState *env, int64_t arg)
154 {
155 uint32_t ret;
156 int64_t max_pos = INT32_MAX;
157 int64_t max_neg = INT32_MIN;
158 if (arg > max_pos) {
159 env->PSW_USB_V = (1 << 31);
160 env->PSW_USB_SV = (1 << 31);
161 ret = (target_ulong)max_pos;
162 } else {
163 if (arg < max_neg) {
164 env->PSW_USB_V = (1 << 31);
165 env->PSW_USB_SV = (1 << 31);
166 ret = (target_ulong)max_neg;
167 } else {
168 env->PSW_USB_V = 0;
169 ret = (target_ulong)arg;
170 }
171 }
172 env->PSW_USB_AV = arg ^ arg * 2u;
173 env->PSW_USB_SAV |= env->PSW_USB_AV;
174 return ret;
175 }
176
177 static uint32_t suov32_pos(CPUTriCoreState *env, uint64_t arg)
178 {
179 uint32_t ret;
180 uint64_t max_pos = UINT32_MAX;
181 if (arg > max_pos) {
182 env->PSW_USB_V = (1 << 31);
183 env->PSW_USB_SV = (1 << 31);
184 ret = (target_ulong)max_pos;
185 } else {
186 env->PSW_USB_V = 0;
187 ret = (target_ulong)arg;
188 }
189 env->PSW_USB_AV = arg ^ arg * 2u;
190 env->PSW_USB_SAV |= env->PSW_USB_AV;
191 return ret;
192 }
193
194 static uint32_t suov32_neg(CPUTriCoreState *env, int64_t arg)
195 {
196 uint32_t ret;
197
198 if (arg < 0) {
199 env->PSW_USB_V = (1 << 31);
200 env->PSW_USB_SV = (1 << 31);
201 ret = 0;
202 } else {
203 env->PSW_USB_V = 0;
204 ret = (target_ulong)arg;
205 }
206 env->PSW_USB_AV = arg ^ arg * 2u;
207 env->PSW_USB_SAV |= env->PSW_USB_AV;
208 return ret;
209 }
210
211 static uint32_t ssov16(CPUTriCoreState *env, int32_t hw0, int32_t hw1)
212 {
213 int32_t max_pos = INT16_MAX;
214 int32_t max_neg = INT16_MIN;
215 int32_t av0, av1;
216
217 env->PSW_USB_V = 0;
218 av0 = hw0 ^ hw0 * 2u;
219 if (hw0 > max_pos) {
220 env->PSW_USB_V = (1 << 31);
221 hw0 = max_pos;
222 } else if (hw0 < max_neg) {
223 env->PSW_USB_V = (1 << 31);
224 hw0 = max_neg;
225 }
226
227 av1 = hw1 ^ hw1 * 2u;
228 if (hw1 > max_pos) {
229 env->PSW_USB_V = (1 << 31);
230 hw1 = max_pos;
231 } else if (hw1 < max_neg) {
232 env->PSW_USB_V = (1 << 31);
233 hw1 = max_neg;
234 }
235
236 env->PSW_USB_SV |= env->PSW_USB_V;
237 env->PSW_USB_AV = (av0 | av1) << 16;
238 env->PSW_USB_SAV |= env->PSW_USB_AV;
239 return (hw0 & 0xffff) | (hw1 << 16);
240 }
241
242 static uint32_t suov16(CPUTriCoreState *env, int32_t hw0, int32_t hw1)
243 {
244 int32_t max_pos = UINT16_MAX;
245 int32_t av0, av1;
246
247 env->PSW_USB_V = 0;
248 av0 = hw0 ^ hw0 * 2u;
249 if (hw0 > max_pos) {
250 env->PSW_USB_V = (1 << 31);
251 hw0 = max_pos;
252 } else if (hw0 < 0) {
253 env->PSW_USB_V = (1 << 31);
254 hw0 = 0;
255 }
256
257 av1 = hw1 ^ hw1 * 2u;
258 if (hw1 > max_pos) {
259 env->PSW_USB_V = (1 << 31);
260 hw1 = max_pos;
261 } else if (hw1 < 0) {
262 env->PSW_USB_V = (1 << 31);
263 hw1 = 0;
264 }
265
266 env->PSW_USB_SV |= env->PSW_USB_V;
267 env->PSW_USB_AV = (av0 | av1) << 16;
268 env->PSW_USB_SAV |= env->PSW_USB_AV;
269 return (hw0 & 0xffff) | (hw1 << 16);
270 }
271
272 target_ulong helper_add_ssov(CPUTriCoreState *env, target_ulong r1,
273 target_ulong r2)
274 {
275 int64_t t1 = sextract64(r1, 0, 32);
276 int64_t t2 = sextract64(r2, 0, 32);
277 int64_t result = t1 + t2;
278 return ssov32(env, result);
279 }
280
281 uint64_t helper_add64_ssov(CPUTriCoreState *env, uint64_t r1, uint64_t r2)
282 {
283 uint64_t result;
284 int64_t ovf;
285
286 result = r1 + r2;
287 ovf = (result ^ r1) & ~(r1 ^ r2);
288 env->PSW_USB_AV = (result ^ result * 2u) >> 32;
289 env->PSW_USB_SAV |= env->PSW_USB_AV;
290 if (ovf < 0) {
291 env->PSW_USB_V = (1 << 31);
292 env->PSW_USB_SV = (1 << 31);
293 /* ext_ret > MAX_INT */
294 if ((int64_t)r1 >= 0) {
295 result = INT64_MAX;
296 /* ext_ret < MIN_INT */
297 } else {
298 result = INT64_MIN;
299 }
300 } else {
301 env->PSW_USB_V = 0;
302 }
303 return result;
304 }
305
306 target_ulong helper_add_h_ssov(CPUTriCoreState *env, target_ulong r1,
307 target_ulong r2)
308 {
309 int32_t ret_hw0, ret_hw1;
310
311 ret_hw0 = sextract32(r1, 0, 16) + sextract32(r2, 0, 16);
312 ret_hw1 = sextract32(r1, 16, 16) + sextract32(r2, 16, 16);
313 return ssov16(env, ret_hw0, ret_hw1);
314 }
315
316 uint32_t helper_addr_h_ssov(CPUTriCoreState *env, uint64_t r1, uint32_t r2_l,
317 uint32_t r2_h)
318 {
319 int64_t mul_res0 = sextract64(r1, 0, 32);
320 int64_t mul_res1 = sextract64(r1, 32, 32);
321 int64_t r2_low = sextract64(r2_l, 0, 32);
322 int64_t r2_high = sextract64(r2_h, 0, 32);
323 int64_t result0, result1;
324 uint32_t ovf0, ovf1;
325 uint32_t avf0, avf1;
326
327 ovf0 = ovf1 = 0;
328
329 result0 = r2_low + mul_res0 + 0x8000;
330 result1 = r2_high + mul_res1 + 0x8000;
331
332 avf0 = result0 * 2u;
333 avf0 = result0 ^ avf0;
334 avf1 = result1 * 2u;
335 avf1 = result1 ^ avf1;
336
337 if (result0 > INT32_MAX) {
338 ovf0 = (1 << 31);
339 result0 = INT32_MAX;
340 } else if (result0 < INT32_MIN) {
341 ovf0 = (1 << 31);
342 result0 = INT32_MIN;
343 }
344
345 if (result1 > INT32_MAX) {
346 ovf1 = (1 << 31);
347 result1 = INT32_MAX;
348 } else if (result1 < INT32_MIN) {
349 ovf1 = (1 << 31);
350 result1 = INT32_MIN;
351 }
352
353 env->PSW_USB_V = ovf0 | ovf1;
354 env->PSW_USB_SV |= env->PSW_USB_V;
355
356 env->PSW_USB_AV = avf0 | avf1;
357 env->PSW_USB_SAV |= env->PSW_USB_AV;
358
359 return (result1 & 0xffff0000ULL) | ((result0 >> 16) & 0xffffULL);
360 }
361
362 uint32_t helper_addsur_h_ssov(CPUTriCoreState *env, uint64_t r1, uint32_t r2_l,
363 uint32_t r2_h)
364 {
365 int64_t mul_res0 = sextract64(r1, 0, 32);
366 int64_t mul_res1 = sextract64(r1, 32, 32);
367 int64_t r2_low = sextract64(r2_l, 0, 32);
368 int64_t r2_high = sextract64(r2_h, 0, 32);
369 int64_t result0, result1;
370 uint32_t ovf0, ovf1;
371 uint32_t avf0, avf1;
372
373 ovf0 = ovf1 = 0;
374
375 result0 = r2_low - mul_res0 + 0x8000;
376 result1 = r2_high + mul_res1 + 0x8000;
377
378 avf0 = result0 * 2u;
379 avf0 = result0 ^ avf0;
380 avf1 = result1 * 2u;
381 avf1 = result1 ^ avf1;
382
383 if (result0 > INT32_MAX) {
384 ovf0 = (1 << 31);
385 result0 = INT32_MAX;
386 } else if (result0 < INT32_MIN) {
387 ovf0 = (1 << 31);
388 result0 = INT32_MIN;
389 }
390
391 if (result1 > INT32_MAX) {
392 ovf1 = (1 << 31);
393 result1 = INT32_MAX;
394 } else if (result1 < INT32_MIN) {
395 ovf1 = (1 << 31);
396 result1 = INT32_MIN;
397 }
398
399 env->PSW_USB_V = ovf0 | ovf1;
400 env->PSW_USB_SV |= env->PSW_USB_V;
401
402 env->PSW_USB_AV = avf0 | avf1;
403 env->PSW_USB_SAV |= env->PSW_USB_AV;
404
405 return (result1 & 0xffff0000ULL) | ((result0 >> 16) & 0xffffULL);
406 }
407
408
409 target_ulong helper_add_suov(CPUTriCoreState *env, target_ulong r1,
410 target_ulong r2)
411 {
412 int64_t t1 = extract64(r1, 0, 32);
413 int64_t t2 = extract64(r2, 0, 32);
414 int64_t result = t1 + t2;
415 return suov32_pos(env, result);
416 }
417
418 target_ulong helper_add_h_suov(CPUTriCoreState *env, target_ulong r1,
419 target_ulong r2)
420 {
421 int32_t ret_hw0, ret_hw1;
422
423 ret_hw0 = extract32(r1, 0, 16) + extract32(r2, 0, 16);
424 ret_hw1 = extract32(r1, 16, 16) + extract32(r2, 16, 16);
425 return suov16(env, ret_hw0, ret_hw1);
426 }
427
428 target_ulong helper_sub_ssov(CPUTriCoreState *env, target_ulong r1,
429 target_ulong r2)
430 {
431 int64_t t1 = sextract64(r1, 0, 32);
432 int64_t t2 = sextract64(r2, 0, 32);
433 int64_t result = t1 - t2;
434 return ssov32(env, result);
435 }
436
437 uint64_t helper_sub64_ssov(CPUTriCoreState *env, uint64_t r1, uint64_t r2)
438 {
439 uint64_t result;
440 int64_t ovf;
441
442 result = r1 - r2;
443 ovf = (result ^ r1) & (r1 ^ r2);
444 env->PSW_USB_AV = (result ^ result * 2u) >> 32;
445 env->PSW_USB_SAV |= env->PSW_USB_AV;
446 if (ovf < 0) {
447 env->PSW_USB_V = (1 << 31);
448 env->PSW_USB_SV = (1 << 31);
449 /* ext_ret > MAX_INT */
450 if ((int64_t)r1 >= 0) {
451 result = INT64_MAX;
452 /* ext_ret < MIN_INT */
453 } else {
454 result = INT64_MIN;
455 }
456 } else {
457 env->PSW_USB_V = 0;
458 }
459 return result;
460 }
461
462 target_ulong helper_sub_h_ssov(CPUTriCoreState *env, target_ulong r1,
463 target_ulong r2)
464 {
465 int32_t ret_hw0, ret_hw1;
466
467 ret_hw0 = sextract32(r1, 0, 16) - sextract32(r2, 0, 16);
468 ret_hw1 = sextract32(r1, 16, 16) - sextract32(r2, 16, 16);
469 return ssov16(env, ret_hw0, ret_hw1);
470 }
471
472 uint32_t helper_subr_h_ssov(CPUTriCoreState *env, uint64_t r1, uint32_t r2_l,
473 uint32_t r2_h)
474 {
475 int64_t mul_res0 = sextract64(r1, 0, 32);
476 int64_t mul_res1 = sextract64(r1, 32, 32);
477 int64_t r2_low = sextract64(r2_l, 0, 32);
478 int64_t r2_high = sextract64(r2_h, 0, 32);
479 int64_t result0, result1;
480 uint32_t ovf0, ovf1;
481 uint32_t avf0, avf1;
482
483 ovf0 = ovf1 = 0;
484
485 result0 = r2_low - mul_res0 + 0x8000;
486 result1 = r2_high - mul_res1 + 0x8000;
487
488 avf0 = result0 * 2u;
489 avf0 = result0 ^ avf0;
490 avf1 = result1 * 2u;
491 avf1 = result1 ^ avf1;
492
493 if (result0 > INT32_MAX) {
494 ovf0 = (1 << 31);
495 result0 = INT32_MAX;
496 } else if (result0 < INT32_MIN) {
497 ovf0 = (1 << 31);
498 result0 = INT32_MIN;
499 }
500
501 if (result1 > INT32_MAX) {
502 ovf1 = (1 << 31);
503 result1 = INT32_MAX;
504 } else if (result1 < INT32_MIN) {
505 ovf1 = (1 << 31);
506 result1 = INT32_MIN;
507 }
508
509 env->PSW_USB_V = ovf0 | ovf1;
510 env->PSW_USB_SV |= env->PSW_USB_V;
511
512 env->PSW_USB_AV = avf0 | avf1;
513 env->PSW_USB_SAV |= env->PSW_USB_AV;
514
515 return (result1 & 0xffff0000ULL) | ((result0 >> 16) & 0xffffULL);
516 }
517
518 uint32_t helper_subadr_h_ssov(CPUTriCoreState *env, uint64_t r1, uint32_t r2_l,
519 uint32_t r2_h)
520 {
521 int64_t mul_res0 = sextract64(r1, 0, 32);
522 int64_t mul_res1 = sextract64(r1, 32, 32);
523 int64_t r2_low = sextract64(r2_l, 0, 32);
524 int64_t r2_high = sextract64(r2_h, 0, 32);
525 int64_t result0, result1;
526 uint32_t ovf0, ovf1;
527 uint32_t avf0, avf1;
528
529 ovf0 = ovf1 = 0;
530
531 result0 = r2_low + mul_res0 + 0x8000;
532 result1 = r2_high - mul_res1 + 0x8000;
533
534 avf0 = result0 * 2u;
535 avf0 = result0 ^ avf0;
536 avf1 = result1 * 2u;
537 avf1 = result1 ^ avf1;
538
539 if (result0 > INT32_MAX) {
540 ovf0 = (1 << 31);
541 result0 = INT32_MAX;
542 } else if (result0 < INT32_MIN) {
543 ovf0 = (1 << 31);
544 result0 = INT32_MIN;
545 }
546
547 if (result1 > INT32_MAX) {
548 ovf1 = (1 << 31);
549 result1 = INT32_MAX;
550 } else if (result1 < INT32_MIN) {
551 ovf1 = (1 << 31);
552 result1 = INT32_MIN;
553 }
554
555 env->PSW_USB_V = ovf0 | ovf1;
556 env->PSW_USB_SV |= env->PSW_USB_V;
557
558 env->PSW_USB_AV = avf0 | avf1;
559 env->PSW_USB_SAV |= env->PSW_USB_AV;
560
561 return (result1 & 0xffff0000ULL) | ((result0 >> 16) & 0xffffULL);
562 }
563
564 target_ulong helper_sub_suov(CPUTriCoreState *env, target_ulong r1,
565 target_ulong r2)
566 {
567 int64_t t1 = extract64(r1, 0, 32);
568 int64_t t2 = extract64(r2, 0, 32);
569 int64_t result = t1 - t2;
570 return suov32_neg(env, result);
571 }
572
573 target_ulong helper_sub_h_suov(CPUTriCoreState *env, target_ulong r1,
574 target_ulong r2)
575 {
576 int32_t ret_hw0, ret_hw1;
577
578 ret_hw0 = extract32(r1, 0, 16) - extract32(r2, 0, 16);
579 ret_hw1 = extract32(r1, 16, 16) - extract32(r2, 16, 16);
580 return suov16(env, ret_hw0, ret_hw1);
581 }
582
583 target_ulong helper_mul_ssov(CPUTriCoreState *env, target_ulong r1,
584 target_ulong r2)
585 {
586 int64_t t1 = sextract64(r1, 0, 32);
587 int64_t t2 = sextract64(r2, 0, 32);
588 int64_t result = t1 * t2;
589 return ssov32(env, result);
590 }
591
592 target_ulong helper_mul_suov(CPUTriCoreState *env, target_ulong r1,
593 target_ulong r2)
594 {
595 int64_t t1 = extract64(r1, 0, 32);
596 int64_t t2 = extract64(r2, 0, 32);
597 int64_t result = t1 * t2;
598
599 return suov32_pos(env, result);
600 }
601
602 target_ulong helper_sha_ssov(CPUTriCoreState *env, target_ulong r1,
603 target_ulong r2)
604 {
605 int64_t t1 = sextract64(r1, 0, 32);
606 int32_t t2 = sextract64(r2, 0, 6);
607 int64_t result;
608 if (t2 == 0) {
609 result = t1;
610 } else if (t2 > 0) {
611 result = t1 << t2;
612 } else {
613 result = t1 >> -t2;
614 }
615 return ssov32(env, result);
616 }
617
618 uint32_t helper_abs_ssov(CPUTriCoreState *env, target_ulong r1)
619 {
620 target_ulong result;
621 result = ((int32_t)r1 >= 0) ? r1 : (0 - r1);
622 return ssov32(env, result);
623 }
624
625 uint32_t helper_abs_h_ssov(CPUTriCoreState *env, target_ulong r1)
626 {
627 int32_t ret_h0, ret_h1;
628
629 ret_h0 = sextract32(r1, 0, 16);
630 ret_h0 = (ret_h0 >= 0) ? ret_h0 : (0 - ret_h0);
631
632 ret_h1 = sextract32(r1, 16, 16);
633 ret_h1 = (ret_h1 >= 0) ? ret_h1 : (0 - ret_h1);
634
635 return ssov16(env, ret_h0, ret_h1);
636 }
637
638 target_ulong helper_absdif_ssov(CPUTriCoreState *env, target_ulong r1,
639 target_ulong r2)
640 {
641 int64_t t1 = sextract64(r1, 0, 32);
642 int64_t t2 = sextract64(r2, 0, 32);
643 int64_t result;
644
645 if (t1 > t2) {
646 result = t1 - t2;
647 } else {
648 result = t2 - t1;
649 }
650 return ssov32(env, result);
651 }
652
653 uint32_t helper_absdif_h_ssov(CPUTriCoreState *env, target_ulong r1,
654 target_ulong r2)
655 {
656 int32_t t1, t2;
657 int32_t ret_h0, ret_h1;
658
659 t1 = sextract32(r1, 0, 16);
660 t2 = sextract32(r2, 0, 16);
661 if (t1 > t2) {
662 ret_h0 = t1 - t2;
663 } else {
664 ret_h0 = t2 - t1;
665 }
666
667 t1 = sextract32(r1, 16, 16);
668 t2 = sextract32(r2, 16, 16);
669 if (t1 > t2) {
670 ret_h1 = t1 - t2;
671 } else {
672 ret_h1 = t2 - t1;
673 }
674
675 return ssov16(env, ret_h0, ret_h1);
676 }
677
678 target_ulong helper_madd32_ssov(CPUTriCoreState *env, target_ulong r1,
679 target_ulong r2, target_ulong r3)
680 {
681 int64_t t1 = sextract64(r1, 0, 32);
682 int64_t t2 = sextract64(r2, 0, 32);
683 int64_t t3 = sextract64(r3, 0, 32);
684 int64_t result;
685
686 result = t2 + (t1 * t3);
687 return ssov32(env, result);
688 }
689
690 target_ulong helper_madd32_suov(CPUTriCoreState *env, target_ulong r1,
691 target_ulong r2, target_ulong r3)
692 {
693 uint64_t t1 = extract64(r1, 0, 32);
694 uint64_t t2 = extract64(r2, 0, 32);
695 uint64_t t3 = extract64(r3, 0, 32);
696 int64_t result;
697
698 result = t2 + (t1 * t3);
699 return suov32_pos(env, result);
700 }
701
702 uint64_t helper_madd64_ssov(CPUTriCoreState *env, target_ulong r1,
703 uint64_t r2, target_ulong r3)
704 {
705 uint64_t ret, ovf;
706 int64_t t1 = sextract64(r1, 0, 32);
707 int64_t t3 = sextract64(r3, 0, 32);
708 int64_t mul;
709
710 mul = t1 * t3;
711 ret = mul + r2;
712 ovf = (ret ^ mul) & ~(mul ^ r2);
713
714 t1 = ret >> 32;
715 env->PSW_USB_AV = t1 ^ t1 * 2u;
716 env->PSW_USB_SAV |= env->PSW_USB_AV;
717
718 if ((int64_t)ovf < 0) {
719 env->PSW_USB_V = (1 << 31);
720 env->PSW_USB_SV = (1 << 31);
721 /* ext_ret > MAX_INT */
722 if (mul >= 0) {
723 ret = INT64_MAX;
724 /* ext_ret < MIN_INT */
725 } else {
726 ret = INT64_MIN;
727 }
728 } else {
729 env->PSW_USB_V = 0;
730 }
731
732 return ret;
733 }
734
735 uint32_t
736 helper_madd32_q_add_ssov(CPUTriCoreState *env, uint64_t r1, uint64_t r2)
737 {
738 int64_t result;
739
740 result = (r1 + r2);
741
742 env->PSW_USB_AV = (result ^ result * 2u);
743 env->PSW_USB_SAV |= env->PSW_USB_AV;
744
745 /* we do the saturation by hand, since we produce an overflow on the host
746 if the mul before was (0x80000000 * 0x80000000) << 1). If this is the
747 case, we flip the saturated value. */
748 if (r2 == 0x8000000000000000LL) {
749 if (result > 0x7fffffffLL) {
750 env->PSW_USB_V = (1 << 31);
751 env->PSW_USB_SV = (1 << 31);
752 result = INT32_MIN;
753 } else if (result < -0x80000000LL) {
754 env->PSW_USB_V = (1 << 31);
755 env->PSW_USB_SV = (1 << 31);
756 result = INT32_MAX;
757 } else {
758 env->PSW_USB_V = 0;
759 }
760 } else {
761 if (result > 0x7fffffffLL) {
762 env->PSW_USB_V = (1 << 31);
763 env->PSW_USB_SV = (1 << 31);
764 result = INT32_MAX;
765 } else if (result < -0x80000000LL) {
766 env->PSW_USB_V = (1 << 31);
767 env->PSW_USB_SV = (1 << 31);
768 result = INT32_MIN;
769 } else {
770 env->PSW_USB_V = 0;
771 }
772 }
773 return (uint32_t)result;
774 }
775
776 uint64_t helper_madd64_q_ssov(CPUTriCoreState *env, uint64_t r1, uint32_t r2,
777 uint32_t r3, uint32_t n)
778 {
779 int64_t t1 = (int64_t)r1;
780 int64_t t2 = sextract64(r2, 0, 32);
781 int64_t t3 = sextract64(r3, 0, 32);
782 int64_t result, mul;
783 int64_t ovf;
784
785 mul = (t2 * t3) << n;
786 result = mul + t1;
787
788 env->PSW_USB_AV = (result ^ result * 2u) >> 32;
789 env->PSW_USB_SAV |= env->PSW_USB_AV;
790
791 ovf = (result ^ mul) & ~(mul ^ t1);
792 /* we do the saturation by hand, since we produce an overflow on the host
793 if the mul was (0x80000000 * 0x80000000) << 1). If this is the
794 case, we flip the saturated value. */
795 if ((r2 == 0x80000000) && (r3 == 0x80000000) && (n == 1)) {
796 if (ovf >= 0) {
797 env->PSW_USB_V = (1 << 31);
798 env->PSW_USB_SV = (1 << 31);
799 /* ext_ret > MAX_INT */
800 if (mul < 0) {
801 result = INT64_MAX;
802 /* ext_ret < MIN_INT */
803 } else {
804 result = INT64_MIN;
805 }
806 } else {
807 env->PSW_USB_V = 0;
808 }
809 } else {
810 if (ovf < 0) {
811 env->PSW_USB_V = (1 << 31);
812 env->PSW_USB_SV = (1 << 31);
813 /* ext_ret > MAX_INT */
814 if (mul >= 0) {
815 result = INT64_MAX;
816 /* ext_ret < MIN_INT */
817 } else {
818 result = INT64_MIN;
819 }
820 } else {
821 env->PSW_USB_V = 0;
822 }
823 }
824 return (uint64_t)result;
825 }
826
827 uint32_t helper_maddr_q_ssov(CPUTriCoreState *env, uint32_t r1, uint32_t r2,
828 uint32_t r3, uint32_t n)
829 {
830 int64_t t1 = sextract64(r1, 0, 32);
831 int64_t t2 = sextract64(r2, 0, 32);
832 int64_t t3 = sextract64(r3, 0, 32);
833 int64_t mul, ret;
834
835 if ((t2 == -0x8000ll) && (t3 == -0x8000ll) && (n == 1)) {
836 mul = 0x7fffffff;
837 } else {
838 mul = (t2 * t3) << n;
839 }
840
841 ret = t1 + mul + 0x8000;
842
843 env->PSW_USB_AV = ret ^ ret * 2u;
844 env->PSW_USB_SAV |= env->PSW_USB_AV;
845
846 if (ret > 0x7fffffffll) {
847 env->PSW_USB_V = (1 << 31);
848 env->PSW_USB_SV |= env->PSW_USB_V;
849 ret = INT32_MAX;
850 } else if (ret < -0x80000000ll) {
851 env->PSW_USB_V = (1 << 31);
852 env->PSW_USB_SV |= env->PSW_USB_V;
853 ret = INT32_MIN;
854 } else {
855 env->PSW_USB_V = 0;
856 }
857 return ret & 0xffff0000ll;
858 }
859
860 uint64_t helper_madd64_suov(CPUTriCoreState *env, target_ulong r1,
861 uint64_t r2, target_ulong r3)
862 {
863 uint64_t ret, mul;
864 uint64_t t1 = extract64(r1, 0, 32);
865 uint64_t t3 = extract64(r3, 0, 32);
866
867 mul = t1 * t3;
868 ret = mul + r2;
869
870 t1 = ret >> 32;
871 env->PSW_USB_AV = t1 ^ t1 * 2u;
872 env->PSW_USB_SAV |= env->PSW_USB_AV;
873
874 if (ret < r2) {
875 env->PSW_USB_V = (1 << 31);
876 env->PSW_USB_SV = (1 << 31);
877 /* saturate */
878 ret = UINT64_MAX;
879 } else {
880 env->PSW_USB_V = 0;
881 }
882 return ret;
883 }
884
885 target_ulong helper_msub32_ssov(CPUTriCoreState *env, target_ulong r1,
886 target_ulong r2, target_ulong r3)
887 {
888 int64_t t1 = sextract64(r1, 0, 32);
889 int64_t t2 = sextract64(r2, 0, 32);
890 int64_t t3 = sextract64(r3, 0, 32);
891 int64_t result;
892
893 result = t2 - (t1 * t3);
894 return ssov32(env, result);
895 }
896
897 target_ulong helper_msub32_suov(CPUTriCoreState *env, target_ulong r1,
898 target_ulong r2, target_ulong r3)
899 {
900 uint64_t t1 = extract64(r1, 0, 32);
901 uint64_t t2 = extract64(r2, 0, 32);
902 uint64_t t3 = extract64(r3, 0, 32);
903 uint64_t result;
904 uint64_t mul;
905
906 mul = (t1 * t3);
907 result = t2 - mul;
908
909 env->PSW_USB_AV = result ^ result * 2u;
910 env->PSW_USB_SAV |= env->PSW_USB_AV;
911 /* we calculate ovf by hand here, because the multiplication can overflow on
912 the host, which would give false results if we compare to less than
913 zero */
914 if (mul > t2) {
915 env->PSW_USB_V = (1 << 31);
916 env->PSW_USB_SV = (1 << 31);
917 result = 0;
918 } else {
919 env->PSW_USB_V = 0;
920 }
921 return result;
922 }
923
924 uint64_t helper_msub64_ssov(CPUTriCoreState *env, target_ulong r1,
925 uint64_t r2, target_ulong r3)
926 {
927 uint64_t ret, ovf;
928 int64_t t1 = sextract64(r1, 0, 32);
929 int64_t t3 = sextract64(r3, 0, 32);
930 int64_t mul;
931
932 mul = t1 * t3;
933 ret = r2 - mul;
934 ovf = (ret ^ r2) & (mul ^ r2);
935
936 t1 = ret >> 32;
937 env->PSW_USB_AV = t1 ^ t1 * 2u;
938 env->PSW_USB_SAV |= env->PSW_USB_AV;
939
940 if ((int64_t)ovf < 0) {
941 env->PSW_USB_V = (1 << 31);
942 env->PSW_USB_SV = (1 << 31);
943 /* ext_ret > MAX_INT */
944 if (mul < 0) {
945 ret = INT64_MAX;
946 /* ext_ret < MIN_INT */
947 } else {
948 ret = INT64_MIN;
949 }
950 } else {
951 env->PSW_USB_V = 0;
952 }
953 return ret;
954 }
955
956 uint64_t helper_msub64_suov(CPUTriCoreState *env, target_ulong r1,
957 uint64_t r2, target_ulong r3)
958 {
959 uint64_t ret, mul;
960 uint64_t t1 = extract64(r1, 0, 32);
961 uint64_t t3 = extract64(r3, 0, 32);
962
963 mul = t1 * t3;
964 ret = r2 - mul;
965
966 t1 = ret >> 32;
967 env->PSW_USB_AV = t1 ^ t1 * 2u;
968 env->PSW_USB_SAV |= env->PSW_USB_AV;
969
970 if (ret > r2) {
971 env->PSW_USB_V = (1 << 31);
972 env->PSW_USB_SV = (1 << 31);
973 /* saturate */
974 ret = 0;
975 } else {
976 env->PSW_USB_V = 0;
977 }
978 return ret;
979 }
980
981 uint32_t
982 helper_msub32_q_sub_ssov(CPUTriCoreState *env, uint64_t r1, uint64_t r2)
983 {
984 int64_t result;
985 int64_t t1 = (int64_t)r1;
986 int64_t t2 = (int64_t)r2;
987
988 result = t1 - t2;
989
990 env->PSW_USB_AV = (result ^ result * 2u);
991 env->PSW_USB_SAV |= env->PSW_USB_AV;
992
993 /* we do the saturation by hand, since we produce an overflow on the host
994 if the mul before was (0x80000000 * 0x80000000) << 1). If this is the
995 case, we flip the saturated value. */
996 if (r2 == 0x8000000000000000LL) {
997 if (result > 0x7fffffffLL) {
998 env->PSW_USB_V = (1 << 31);
999 env->PSW_USB_SV = (1 << 31);
1000 result = INT32_MIN;
1001 } else if (result < -0x80000000LL) {
1002 env->PSW_USB_V = (1 << 31);
1003 env->PSW_USB_SV = (1 << 31);
1004 result = INT32_MAX;
1005 } else {
1006 env->PSW_USB_V = 0;
1007 }
1008 } else {
1009 if (result > 0x7fffffffLL) {
1010 env->PSW_USB_V = (1 << 31);
1011 env->PSW_USB_SV = (1 << 31);
1012 result = INT32_MAX;
1013 } else if (result < -0x80000000LL) {
1014 env->PSW_USB_V = (1 << 31);
1015 env->PSW_USB_SV = (1 << 31);
1016 result = INT32_MIN;
1017 } else {
1018 env->PSW_USB_V = 0;
1019 }
1020 }
1021 return (uint32_t)result;
1022 }
1023
1024 uint64_t helper_msub64_q_ssov(CPUTriCoreState *env, uint64_t r1, uint32_t r2,
1025 uint32_t r3, uint32_t n)
1026 {
1027 int64_t t1 = (int64_t)r1;
1028 int64_t t2 = sextract64(r2, 0, 32);
1029 int64_t t3 = sextract64(r3, 0, 32);
1030 int64_t result, mul;
1031 int64_t ovf;
1032
1033 mul = (t2 * t3) << n;
1034 result = t1 - mul;
1035
1036 env->PSW_USB_AV = (result ^ result * 2u) >> 32;
1037 env->PSW_USB_SAV |= env->PSW_USB_AV;
1038
1039 ovf = (result ^ t1) & (t1 ^ mul);
1040 /* we do the saturation by hand, since we produce an overflow on the host
1041 if the mul before was (0x80000000 * 0x80000000) << 1). If this is the
1042 case, we flip the saturated value. */
1043 if (mul == 0x8000000000000000LL) {
1044 if (ovf >= 0) {
1045 env->PSW_USB_V = (1 << 31);
1046 env->PSW_USB_SV = (1 << 31);
1047 /* ext_ret > MAX_INT */
1048 if (mul >= 0) {
1049 result = INT64_MAX;
1050 /* ext_ret < MIN_INT */
1051 } else {
1052 result = INT64_MIN;
1053 }
1054 } else {
1055 env->PSW_USB_V = 0;
1056 }
1057 } else {
1058 if (ovf < 0) {
1059 env->PSW_USB_V = (1 << 31);
1060 env->PSW_USB_SV = (1 << 31);
1061 /* ext_ret > MAX_INT */
1062 if (mul < 0) {
1063 result = INT64_MAX;
1064 /* ext_ret < MIN_INT */
1065 } else {
1066 result = INT64_MIN;
1067 }
1068 } else {
1069 env->PSW_USB_V = 0;
1070 }
1071 }
1072
1073 return (uint64_t)result;
1074 }
1075
1076 uint32_t helper_msubr_q_ssov(CPUTriCoreState *env, uint32_t r1, uint32_t r2,
1077 uint32_t r3, uint32_t n)
1078 {
1079 int64_t t1 = sextract64(r1, 0, 32);
1080 int64_t t2 = sextract64(r2, 0, 32);
1081 int64_t t3 = sextract64(r3, 0, 32);
1082 int64_t mul, ret;
1083
1084 if ((t2 == -0x8000ll) && (t3 == -0x8000ll) && (n == 1)) {
1085 mul = 0x7fffffff;
1086 } else {
1087 mul = (t2 * t3) << n;
1088 }
1089
1090 ret = t1 - mul + 0x8000;
1091
1092 env->PSW_USB_AV = ret ^ ret * 2u;
1093 env->PSW_USB_SAV |= env->PSW_USB_AV;
1094
1095 if (ret > 0x7fffffffll) {
1096 env->PSW_USB_V = (1 << 31);
1097 env->PSW_USB_SV |= env->PSW_USB_V;
1098 ret = INT32_MAX;
1099 } else if (ret < -0x80000000ll) {
1100 env->PSW_USB_V = (1 << 31);
1101 env->PSW_USB_SV |= env->PSW_USB_V;
1102 ret = INT32_MIN;
1103 } else {
1104 env->PSW_USB_V = 0;
1105 }
1106 return ret & 0xffff0000ll;
1107 }
1108
1109 uint32_t helper_abs_b(CPUTriCoreState *env, target_ulong arg)
1110 {
1111 int32_t b, i;
1112 int32_t ovf = 0;
1113 int32_t avf = 0;
1114 int32_t ret = 0;
1115
1116 for (i = 0; i < 4; i++) {
1117 b = sextract32(arg, i * 8, 8);
1118 b = (b >= 0) ? b : (0 - b);
1119 ovf |= (b > 0x7F) || (b < -0x80);
1120 avf |= b ^ b * 2u;
1121 ret |= (b & 0xff) << (i * 8);
1122 }
1123
1124 env->PSW_USB_V = ovf << 31;
1125 env->PSW_USB_SV |= env->PSW_USB_V;
1126 env->PSW_USB_AV = avf << 24;
1127 env->PSW_USB_SAV |= env->PSW_USB_AV;
1128
1129 return ret;
1130 }
1131
1132 uint32_t helper_abs_h(CPUTriCoreState *env, target_ulong arg)
1133 {
1134 int32_t h, i;
1135 int32_t ovf = 0;
1136 int32_t avf = 0;
1137 int32_t ret = 0;
1138
1139 for (i = 0; i < 2; i++) {
1140 h = sextract32(arg, i * 16, 16);
1141 h = (h >= 0) ? h : (0 - h);
1142 ovf |= (h > 0x7FFF) || (h < -0x8000);
1143 avf |= h ^ h * 2u;
1144 ret |= (h & 0xffff) << (i * 16);
1145 }
1146
1147 env->PSW_USB_V = ovf << 31;
1148 env->PSW_USB_SV |= env->PSW_USB_V;
1149 env->PSW_USB_AV = avf << 16;
1150 env->PSW_USB_SAV |= env->PSW_USB_AV;
1151
1152 return ret;
1153 }
1154
1155 uint32_t helper_absdif_b(CPUTriCoreState *env, target_ulong r1, target_ulong r2)
1156 {
1157 int32_t b, i;
1158 int32_t extr_r2;
1159 int32_t ovf = 0;
1160 int32_t avf = 0;
1161 int32_t ret = 0;
1162
1163 for (i = 0; i < 4; i++) {
1164 extr_r2 = sextract32(r2, i * 8, 8);
1165 b = sextract32(r1, i * 8, 8);
1166 b = (b > extr_r2) ? (b - extr_r2) : (extr_r2 - b);
1167 ovf |= (b > 0x7F) || (b < -0x80);
1168 avf |= b ^ b * 2u;
1169 ret |= (b & 0xff) << (i * 8);
1170 }
1171
1172 env->PSW_USB_V = ovf << 31;
1173 env->PSW_USB_SV |= env->PSW_USB_V;
1174 env->PSW_USB_AV = avf << 24;
1175 env->PSW_USB_SAV |= env->PSW_USB_AV;
1176 return ret;
1177 }
1178
1179 uint32_t helper_absdif_h(CPUTriCoreState *env, target_ulong r1, target_ulong r2)
1180 {
1181 int32_t h, i;
1182 int32_t extr_r2;
1183 int32_t ovf = 0;
1184 int32_t avf = 0;
1185 int32_t ret = 0;
1186
1187 for (i = 0; i < 2; i++) {
1188 extr_r2 = sextract32(r2, i * 16, 16);
1189 h = sextract32(r1, i * 16, 16);
1190 h = (h > extr_r2) ? (h - extr_r2) : (extr_r2 - h);
1191 ovf |= (h > 0x7FFF) || (h < -0x8000);
1192 avf |= h ^ h * 2u;
1193 ret |= (h & 0xffff) << (i * 16);
1194 }
1195
1196 env->PSW_USB_V = ovf << 31;
1197 env->PSW_USB_SV |= env->PSW_USB_V;
1198 env->PSW_USB_AV = avf << 16;
1199 env->PSW_USB_SAV |= env->PSW_USB_AV;
1200
1201 return ret;
1202 }
1203
1204 uint32_t helper_addr_h(CPUTriCoreState *env, uint64_t r1, uint32_t r2_l,
1205 uint32_t r2_h)
1206 {
1207 int64_t mul_res0 = sextract64(r1, 0, 32);
1208 int64_t mul_res1 = sextract64(r1, 32, 32);
1209 int64_t r2_low = sextract64(r2_l, 0, 32);
1210 int64_t r2_high = sextract64(r2_h, 0, 32);
1211 int64_t result0, result1;
1212 uint32_t ovf0, ovf1;
1213 uint32_t avf0, avf1;
1214
1215 ovf0 = ovf1 = 0;
1216
1217 result0 = r2_low + mul_res0 + 0x8000;
1218 result1 = r2_high + mul_res1 + 0x8000;
1219
1220 if ((result0 > INT32_MAX) || (result0 < INT32_MIN)) {
1221 ovf0 = (1 << 31);
1222 }
1223
1224 if ((result1 > INT32_MAX) || (result1 < INT32_MIN)) {
1225 ovf1 = (1 << 31);
1226 }
1227
1228 env->PSW_USB_V = ovf0 | ovf1;
1229 env->PSW_USB_SV |= env->PSW_USB_V;
1230
1231 avf0 = result0 * 2u;
1232 avf0 = result0 ^ avf0;
1233 avf1 = result1 * 2u;
1234 avf1 = result1 ^ avf1;
1235
1236 env->PSW_USB_AV = avf0 | avf1;
1237 env->PSW_USB_SAV |= env->PSW_USB_AV;
1238
1239 return (result1 & 0xffff0000ULL) | ((result0 >> 16) & 0xffffULL);
1240 }
1241
1242 uint32_t helper_addsur_h(CPUTriCoreState *env, uint64_t r1, uint32_t r2_l,
1243 uint32_t r2_h)
1244 {
1245 int64_t mul_res0 = sextract64(r1, 0, 32);
1246 int64_t mul_res1 = sextract64(r1, 32, 32);
1247 int64_t r2_low = sextract64(r2_l, 0, 32);
1248 int64_t r2_high = sextract64(r2_h, 0, 32);
1249 int64_t result0, result1;
1250 uint32_t ovf0, ovf1;
1251 uint32_t avf0, avf1;
1252
1253 ovf0 = ovf1 = 0;
1254
1255 result0 = r2_low - mul_res0 + 0x8000;
1256 result1 = r2_high + mul_res1 + 0x8000;
1257
1258 if ((result0 > INT32_MAX) || (result0 < INT32_MIN)) {
1259 ovf0 = (1 << 31);
1260 }
1261
1262 if ((result1 > INT32_MAX) || (result1 < INT32_MIN)) {
1263 ovf1 = (1 << 31);
1264 }
1265
1266 env->PSW_USB_V = ovf0 | ovf1;
1267 env->PSW_USB_SV |= env->PSW_USB_V;
1268
1269 avf0 = result0 * 2u;
1270 avf0 = result0 ^ avf0;
1271 avf1 = result1 * 2u;
1272 avf1 = result1 ^ avf1;
1273
1274 env->PSW_USB_AV = avf0 | avf1;
1275 env->PSW_USB_SAV |= env->PSW_USB_AV;
1276
1277 return (result1 & 0xffff0000ULL) | ((result0 >> 16) & 0xffffULL);
1278 }
1279
1280 uint32_t helper_maddr_q(CPUTriCoreState *env, uint32_t r1, uint32_t r2,
1281 uint32_t r3, uint32_t n)
1282 {
1283 int64_t t1 = sextract64(r1, 0, 32);
1284 int64_t t2 = sextract64(r2, 0, 32);
1285 int64_t t3 = sextract64(r3, 0, 32);
1286 int64_t mul, ret;
1287
1288 if ((t2 == -0x8000ll) && (t3 == -0x8000ll) && (n == 1)) {
1289 mul = 0x7fffffff;
1290 } else {
1291 mul = (t2 * t3) << n;
1292 }
1293
1294 ret = t1 + mul + 0x8000;
1295
1296 if ((ret > 0x7fffffffll) || (ret < -0x80000000ll)) {
1297 env->PSW_USB_V = (1 << 31);
1298 env->PSW_USB_SV |= env->PSW_USB_V;
1299 } else {
1300 env->PSW_USB_V = 0;
1301 }
1302 env->PSW_USB_AV = ret ^ ret * 2u;
1303 env->PSW_USB_SAV |= env->PSW_USB_AV;
1304
1305 return ret & 0xffff0000ll;
1306 }
1307
1308 uint32_t helper_add_b(CPUTriCoreState *env, target_ulong r1, target_ulong r2)
1309 {
1310 int32_t b, i;
1311 int32_t extr_r1, extr_r2;
1312 int32_t ovf = 0;
1313 int32_t avf = 0;
1314 uint32_t ret = 0;
1315
1316 for (i = 0; i < 4; i++) {
1317 extr_r1 = sextract32(r1, i * 8, 8);
1318 extr_r2 = sextract32(r2, i * 8, 8);
1319
1320 b = extr_r1 + extr_r2;
1321 ovf |= ((b > 0x7f) || (b < -0x80));
1322 avf |= b ^ b * 2u;
1323 ret |= ((b & 0xff) << (i*8));
1324 }
1325
1326 env->PSW_USB_V = (ovf << 31);
1327 env->PSW_USB_SV |= env->PSW_USB_V;
1328 env->PSW_USB_AV = avf << 24;
1329 env->PSW_USB_SAV |= env->PSW_USB_AV;
1330
1331 return ret;
1332 }
1333
1334 uint32_t helper_add_h(CPUTriCoreState *env, target_ulong r1, target_ulong r2)
1335 {
1336 int32_t h, i;
1337 int32_t extr_r1, extr_r2;
1338 int32_t ovf = 0;
1339 int32_t avf = 0;
1340 int32_t ret = 0;
1341
1342 for (i = 0; i < 2; i++) {
1343 extr_r1 = sextract32(r1, i * 16, 16);
1344 extr_r2 = sextract32(r2, i * 16, 16);
1345 h = extr_r1 + extr_r2;
1346 ovf |= ((h > 0x7fff) || (h < -0x8000));
1347 avf |= h ^ h * 2u;
1348 ret |= (h & 0xffff) << (i * 16);
1349 }
1350
1351 env->PSW_USB_V = (ovf << 31);
1352 env->PSW_USB_SV |= env->PSW_USB_V;
1353 env->PSW_USB_AV = (avf << 16);
1354 env->PSW_USB_SAV |= env->PSW_USB_AV;
1355
1356 return ret;
1357 }
1358
1359 uint32_t helper_subr_h(CPUTriCoreState *env, uint64_t r1, uint32_t r2_l,
1360 uint32_t r2_h)
1361 {
1362 int64_t mul_res0 = sextract64(r1, 0, 32);
1363 int64_t mul_res1 = sextract64(r1, 32, 32);
1364 int64_t r2_low = sextract64(r2_l, 0, 32);
1365 int64_t r2_high = sextract64(r2_h, 0, 32);
1366 int64_t result0, result1;
1367 uint32_t ovf0, ovf1;
1368 uint32_t avf0, avf1;
1369
1370 ovf0 = ovf1 = 0;
1371
1372 result0 = r2_low - mul_res0 + 0x8000;
1373 result1 = r2_high - mul_res1 + 0x8000;
1374
1375 if ((result0 > INT32_MAX) || (result0 < INT32_MIN)) {
1376 ovf0 = (1 << 31);
1377 }
1378
1379 if ((result1 > INT32_MAX) || (result1 < INT32_MIN)) {
1380 ovf1 = (1 << 31);
1381 }
1382
1383 env->PSW_USB_V = ovf0 | ovf1;
1384 env->PSW_USB_SV |= env->PSW_USB_V;
1385
1386 avf0 = result0 * 2u;
1387 avf0 = result0 ^ avf0;
1388 avf1 = result1 * 2u;
1389 avf1 = result1 ^ avf1;
1390
1391 env->PSW_USB_AV = avf0 | avf1;
1392 env->PSW_USB_SAV |= env->PSW_USB_AV;
1393
1394 return (result1 & 0xffff0000ULL) | ((result0 >> 16) & 0xffffULL);
1395 }
1396
1397 uint32_t helper_subadr_h(CPUTriCoreState *env, uint64_t r1, uint32_t r2_l,
1398 uint32_t r2_h)
1399 {
1400 int64_t mul_res0 = sextract64(r1, 0, 32);
1401 int64_t mul_res1 = sextract64(r1, 32, 32);
1402 int64_t r2_low = sextract64(r2_l, 0, 32);
1403 int64_t r2_high = sextract64(r2_h, 0, 32);
1404 int64_t result0, result1;
1405 uint32_t ovf0, ovf1;
1406 uint32_t avf0, avf1;
1407
1408 ovf0 = ovf1 = 0;
1409
1410 result0 = r2_low + mul_res0 + 0x8000;
1411 result1 = r2_high - mul_res1 + 0x8000;
1412
1413 if ((result0 > INT32_MAX) || (result0 < INT32_MIN)) {
1414 ovf0 = (1 << 31);
1415 }
1416
1417 if ((result1 > INT32_MAX) || (result1 < INT32_MIN)) {
1418 ovf1 = (1 << 31);
1419 }
1420
1421 env->PSW_USB_V = ovf0 | ovf1;
1422 env->PSW_USB_SV |= env->PSW_USB_V;
1423
1424 avf0 = result0 * 2u;
1425 avf0 = result0 ^ avf0;
1426 avf1 = result1 * 2u;
1427 avf1 = result1 ^ avf1;
1428
1429 env->PSW_USB_AV = avf0 | avf1;
1430 env->PSW_USB_SAV |= env->PSW_USB_AV;
1431
1432 return (result1 & 0xffff0000ULL) | ((result0 >> 16) & 0xffffULL);
1433 }
1434
1435 uint32_t helper_msubr_q(CPUTriCoreState *env, uint32_t r1, uint32_t r2,
1436 uint32_t r3, uint32_t n)
1437 {
1438 int64_t t1 = sextract64(r1, 0, 32);
1439 int64_t t2 = sextract64(r2, 0, 32);
1440 int64_t t3 = sextract64(r3, 0, 32);
1441 int64_t mul, ret;
1442
1443 if ((t2 == -0x8000ll) && (t3 == -0x8000ll) && (n == 1)) {
1444 mul = 0x7fffffff;
1445 } else {
1446 mul = (t2 * t3) << n;
1447 }
1448
1449 ret = t1 - mul + 0x8000;
1450
1451 if ((ret > 0x7fffffffll) || (ret < -0x80000000ll)) {
1452 env->PSW_USB_V = (1 << 31);
1453 env->PSW_USB_SV |= env->PSW_USB_V;
1454 } else {
1455 env->PSW_USB_V = 0;
1456 }
1457 env->PSW_USB_AV = ret ^ ret * 2u;
1458 env->PSW_USB_SAV |= env->PSW_USB_AV;
1459
1460 return ret & 0xffff0000ll;
1461 }
1462
1463 uint32_t helper_sub_b(CPUTriCoreState *env, target_ulong r1, target_ulong r2)
1464 {
1465 int32_t b, i;
1466 int32_t extr_r1, extr_r2;
1467 int32_t ovf = 0;
1468 int32_t avf = 0;
1469 uint32_t ret = 0;
1470
1471 for (i = 0; i < 4; i++) {
1472 extr_r1 = sextract32(r1, i * 8, 8);
1473 extr_r2 = sextract32(r2, i * 8, 8);
1474
1475 b = extr_r1 - extr_r2;
1476 ovf |= ((b > 0x7f) || (b < -0x80));
1477 avf |= b ^ b * 2u;
1478 ret |= ((b & 0xff) << (i*8));
1479 }
1480
1481 env->PSW_USB_V = (ovf << 31);
1482 env->PSW_USB_SV |= env->PSW_USB_V;
1483 env->PSW_USB_AV = avf << 24;
1484 env->PSW_USB_SAV |= env->PSW_USB_AV;
1485
1486 return ret;
1487 }
1488
1489 uint32_t helper_sub_h(CPUTriCoreState *env, target_ulong r1, target_ulong r2)
1490 {
1491 int32_t h, i;
1492 int32_t extr_r1, extr_r2;
1493 int32_t ovf = 0;
1494 int32_t avf = 0;
1495 int32_t ret = 0;
1496
1497 for (i = 0; i < 2; i++) {
1498 extr_r1 = sextract32(r1, i * 16, 16);
1499 extr_r2 = sextract32(r2, i * 16, 16);
1500 h = extr_r1 - extr_r2;
1501 ovf |= ((h > 0x7fff) || (h < -0x8000));
1502 avf |= h ^ h * 2u;
1503 ret |= (h & 0xffff) << (i * 16);
1504 }
1505
1506 env->PSW_USB_V = (ovf << 31);
1507 env->PSW_USB_SV |= env->PSW_USB_V;
1508 env->PSW_USB_AV = avf << 16;
1509 env->PSW_USB_SAV |= env->PSW_USB_AV;
1510
1511 return ret;
1512 }
1513
1514 uint32_t helper_eq_b(target_ulong r1, target_ulong r2)
1515 {
1516 int32_t ret;
1517 int32_t i, msk;
1518
1519 ret = 0;
1520 msk = 0xff;
1521 for (i = 0; i < 4; i++) {
1522 if ((r1 & msk) == (r2 & msk)) {
1523 ret |= msk;
1524 }
1525 msk = msk << 8;
1526 }
1527
1528 return ret;
1529 }
1530
1531 uint32_t helper_eq_h(target_ulong r1, target_ulong r2)
1532 {
1533 int32_t ret = 0;
1534
1535 if ((r1 & 0xffff) == (r2 & 0xffff)) {
1536 ret = 0xffff;
1537 }
1538
1539 if ((r1 & 0xffff0000) == (r2 & 0xffff0000)) {
1540 ret |= 0xffff0000;
1541 }
1542
1543 return ret;
1544 }
1545
1546 uint32_t helper_eqany_b(target_ulong r1, target_ulong r2)
1547 {
1548 int32_t i;
1549 uint32_t ret = 0;
1550
1551 for (i = 0; i < 4; i++) {
1552 ret |= (sextract32(r1, i * 8, 8) == sextract32(r2, i * 8, 8));
1553 }
1554
1555 return ret;
1556 }
1557
1558 uint32_t helper_eqany_h(target_ulong r1, target_ulong r2)
1559 {
1560 uint32_t ret;
1561
1562 ret = (sextract32(r1, 0, 16) == sextract32(r2, 0, 16));
1563 ret |= (sextract32(r1, 16, 16) == sextract32(r2, 16, 16));
1564
1565 return ret;
1566 }
1567
1568 uint32_t helper_lt_b(target_ulong r1, target_ulong r2)
1569 {
1570 int32_t i;
1571 uint32_t ret = 0;
1572
1573 for (i = 0; i < 4; i++) {
1574 if (sextract32(r1, i * 8, 8) < sextract32(r2, i * 8, 8)) {
1575 ret |= (0xff << (i * 8));
1576 }
1577 }
1578
1579 return ret;
1580 }
1581
1582 uint32_t helper_lt_bu(target_ulong r1, target_ulong r2)
1583 {
1584 int32_t i;
1585 uint32_t ret = 0;
1586
1587 for (i = 0; i < 4; i++) {
1588 if (extract32(r1, i * 8, 8) < extract32(r2, i * 8, 8)) {
1589 ret |= (0xff << (i * 8));
1590 }
1591 }
1592
1593 return ret;
1594 }
1595
1596 uint32_t helper_lt_h(target_ulong r1, target_ulong r2)
1597 {
1598 uint32_t ret = 0;
1599
1600 if (sextract32(r1, 0, 16) < sextract32(r2, 0, 16)) {
1601 ret |= 0xffff;
1602 }
1603
1604 if (sextract32(r1, 16, 16) < sextract32(r2, 16, 16)) {
1605 ret |= 0xffff0000;
1606 }
1607
1608 return ret;
1609 }
1610
1611 uint32_t helper_lt_hu(target_ulong r1, target_ulong r2)
1612 {
1613 uint32_t ret = 0;
1614
1615 if (extract32(r1, 0, 16) < extract32(r2, 0, 16)) {
1616 ret |= 0xffff;
1617 }
1618
1619 if (extract32(r1, 16, 16) < extract32(r2, 16, 16)) {
1620 ret |= 0xffff0000;
1621 }
1622
1623 return ret;
1624 }
1625
1626 #define EXTREMA_H_B(name, op) \
1627 uint32_t helper_##name ##_b(target_ulong r1, target_ulong r2) \
1628 { \
1629 int32_t i, extr_r1, extr_r2; \
1630 uint32_t ret = 0; \
1631 \
1632 for (i = 0; i < 4; i++) { \
1633 extr_r1 = sextract32(r1, i * 8, 8); \
1634 extr_r2 = sextract32(r2, i * 8, 8); \
1635 extr_r1 = (extr_r1 op extr_r2) ? extr_r1 : extr_r2; \
1636 ret |= (extr_r1 & 0xff) << (i * 8); \
1637 } \
1638 return ret; \
1639 } \
1640 \
1641 uint32_t helper_##name ##_bu(target_ulong r1, target_ulong r2)\
1642 { \
1643 int32_t i; \
1644 uint32_t extr_r1, extr_r2; \
1645 uint32_t ret = 0; \
1646 \
1647 for (i = 0; i < 4; i++) { \
1648 extr_r1 = extract32(r1, i * 8, 8); \
1649 extr_r2 = extract32(r2, i * 8, 8); \
1650 extr_r1 = (extr_r1 op extr_r2) ? extr_r1 : extr_r2; \
1651 ret |= (extr_r1 & 0xff) << (i * 8); \
1652 } \
1653 return ret; \
1654 } \
1655 \
1656 uint32_t helper_##name ##_h(target_ulong r1, target_ulong r2) \
1657 { \
1658 int32_t extr_r1, extr_r2; \
1659 uint32_t ret = 0; \
1660 \
1661 extr_r1 = sextract32(r1, 0, 16); \
1662 extr_r2 = sextract32(r2, 0, 16); \
1663 ret = (extr_r1 op extr_r2) ? extr_r1 : extr_r2; \
1664 ret = ret & 0xffff; \
1665 \
1666 extr_r1 = sextract32(r1, 16, 16); \
1667 extr_r2 = sextract32(r2, 16, 16); \
1668 extr_r1 = (extr_r1 op extr_r2) ? extr_r1 : extr_r2; \
1669 ret |= extr_r1 << 16; \
1670 \
1671 return ret; \
1672 } \
1673 \
1674 uint32_t helper_##name ##_hu(target_ulong r1, target_ulong r2)\
1675 { \
1676 uint32_t extr_r1, extr_r2; \
1677 uint32_t ret = 0; \
1678 \
1679 extr_r1 = extract32(r1, 0, 16); \
1680 extr_r2 = extract32(r2, 0, 16); \
1681 ret = (extr_r1 op extr_r2) ? extr_r1 : extr_r2; \
1682 ret = ret & 0xffff; \
1683 \
1684 extr_r1 = extract32(r1, 16, 16); \
1685 extr_r2 = extract32(r2, 16, 16); \
1686 extr_r1 = (extr_r1 op extr_r2) ? extr_r1 : extr_r2; \
1687 ret |= extr_r1 << (16); \
1688 \
1689 return ret; \
1690 } \
1691 \
1692 uint64_t helper_ix##name(uint64_t r1, uint32_t r2) \
1693 { \
1694 int64_t r2l, r2h, r1hl; \
1695 uint64_t ret = 0; \
1696 \
1697 ret = ((r1 + 2) & 0xffff); \
1698 r2l = sextract64(r2, 0, 16); \
1699 r2h = sextract64(r2, 16, 16); \
1700 r1hl = sextract64(r1, 32, 16); \
1701 \
1702 if ((r2l op ## = r2h) && (r2l op r1hl)) { \
1703 ret |= (r2l & 0xffff) << 32; \
1704 ret |= extract64(r1, 0, 16) << 16; \
1705 } else if ((r2h op r2l) && (r2h op r1hl)) { \
1706 ret |= extract64(r2, 16, 16) << 32; \
1707 ret |= extract64(r1 + 1, 0, 16) << 16; \
1708 } else { \
1709 ret |= r1 & 0xffffffff0000ull; \
1710 } \
1711 return ret; \
1712 } \
1713 \
1714 uint64_t helper_ix##name ##_u(uint64_t r1, uint32_t r2) \
1715 { \
1716 int64_t r2l, r2h, r1hl; \
1717 uint64_t ret = 0; \
1718 \
1719 ret = ((r1 + 2) & 0xffff); \
1720 r2l = extract64(r2, 0, 16); \
1721 r2h = extract64(r2, 16, 16); \
1722 r1hl = extract64(r1, 32, 16); \
1723 \
1724 if ((r2l op ## = r2h) && (r2l op r1hl)) { \
1725 ret |= (r2l & 0xffff) << 32; \
1726 ret |= extract64(r1, 0, 16) << 16; \
1727 } else if ((r2h op r2l) && (r2h op r1hl)) { \
1728 ret |= extract64(r2, 16, 16) << 32; \
1729 ret |= extract64(r1 + 1, 0, 16) << 16; \
1730 } else { \
1731 ret |= r1 & 0xffffffff0000ull; \
1732 } \
1733 return ret; \
1734 }
1735
1736 EXTREMA_H_B(max, >)
1737 EXTREMA_H_B(min, <)
1738
1739 #undef EXTREMA_H_B
1740
1741 uint32_t helper_clo_h(target_ulong r1)
1742 {
1743 uint32_t ret_hw0 = extract32(r1, 0, 16);
1744 uint32_t ret_hw1 = extract32(r1, 16, 16);
1745
1746 ret_hw0 = clo32(ret_hw0 << 16);
1747 ret_hw1 = clo32(ret_hw1 << 16);
1748
1749 if (ret_hw0 > 16) {
1750 ret_hw0 = 16;
1751 }
1752 if (ret_hw1 > 16) {
1753 ret_hw1 = 16;
1754 }
1755
1756 return ret_hw0 | (ret_hw1 << 16);
1757 }
1758
1759 uint32_t helper_clz_h(target_ulong r1)
1760 {
1761 uint32_t ret_hw0 = extract32(r1, 0, 16);
1762 uint32_t ret_hw1 = extract32(r1, 16, 16);
1763
1764 ret_hw0 = clz32(ret_hw0 << 16);
1765 ret_hw1 = clz32(ret_hw1 << 16);
1766
1767 if (ret_hw0 > 16) {
1768 ret_hw0 = 16;
1769 }
1770 if (ret_hw1 > 16) {
1771 ret_hw1 = 16;
1772 }
1773
1774 return ret_hw0 | (ret_hw1 << 16);
1775 }
1776
1777 uint32_t helper_cls_h(target_ulong r1)
1778 {
1779 uint32_t ret_hw0 = extract32(r1, 0, 16);
1780 uint32_t ret_hw1 = extract32(r1, 16, 16);
1781
1782 ret_hw0 = clrsb32(ret_hw0 << 16);
1783 ret_hw1 = clrsb32(ret_hw1 << 16);
1784
1785 if (ret_hw0 > 15) {
1786 ret_hw0 = 15;
1787 }
1788 if (ret_hw1 > 15) {
1789 ret_hw1 = 15;
1790 }
1791
1792 return ret_hw0 | (ret_hw1 << 16);
1793 }
1794
1795 uint32_t helper_sh(target_ulong r1, target_ulong r2)
1796 {
1797 int32_t shift_count = sextract32(r2, 0, 6);
1798
1799 if (shift_count == -32) {
1800 return 0;
1801 } else if (shift_count < 0) {
1802 return r1 >> -shift_count;
1803 } else {
1804 return r1 << shift_count;
1805 }
1806 }
1807
1808 uint32_t helper_sh_h(target_ulong r1, target_ulong r2)
1809 {
1810 int32_t ret_hw0, ret_hw1;
1811 int32_t shift_count;
1812
1813 shift_count = sextract32(r2, 0, 5);
1814
1815 if (shift_count == -16) {
1816 return 0;
1817 } else if (shift_count < 0) {
1818 ret_hw0 = extract32(r1, 0, 16) >> -shift_count;
1819 ret_hw1 = extract32(r1, 16, 16) >> -shift_count;
1820 return (ret_hw0 & 0xffff) | (ret_hw1 << 16);
1821 } else {
1822 ret_hw0 = extract32(r1, 0, 16) << shift_count;
1823 ret_hw1 = extract32(r1, 16, 16) << shift_count;
1824 return (ret_hw0 & 0xffff) | (ret_hw1 << 16);
1825 }
1826 }
1827
1828 uint32_t helper_sha(CPUTriCoreState *env, target_ulong r1, target_ulong r2)
1829 {
1830 int32_t shift_count;
1831 int64_t result, t1;
1832 uint32_t ret;
1833
1834 shift_count = sextract32(r2, 0, 6);
1835 t1 = sextract32(r1, 0, 32);
1836
1837 if (shift_count == 0) {
1838 env->PSW_USB_C = env->PSW_USB_V = 0;
1839 ret = r1;
1840 } else if (shift_count == -32) {
1841 env->PSW_USB_C = r1;
1842 env->PSW_USB_V = 0;
1843 ret = t1 >> 31;
1844 } else if (shift_count > 0) {
1845 result = t1 << shift_count;
1846 /* calc carry */
1847 env->PSW_USB_C = ((result & 0xffffffff00000000ULL) != 0);
1848 /* calc v */
1849 env->PSW_USB_V = (((result > 0x7fffffffLL) ||
1850 (result < -0x80000000LL)) << 31);
1851 /* calc sv */
1852 env->PSW_USB_SV |= env->PSW_USB_V;
1853 ret = (uint32_t)result;
1854 } else {
1855 env->PSW_USB_V = 0;
1856 env->PSW_USB_C = (r1 & ((1 << -shift_count) - 1));
1857 ret = t1 >> -shift_count;
1858 }
1859
1860 env->PSW_USB_AV = ret ^ ret * 2u;
1861 env->PSW_USB_SAV |= env->PSW_USB_AV;
1862
1863 return ret;
1864 }
1865
1866 uint32_t helper_sha_h(target_ulong r1, target_ulong r2)
1867 {
1868 int32_t shift_count;
1869 int32_t ret_hw0, ret_hw1;
1870
1871 shift_count = sextract32(r2, 0, 5);
1872
1873 if (shift_count == 0) {
1874 return r1;
1875 } else if (shift_count < 0) {
1876 ret_hw0 = sextract32(r1, 0, 16) >> -shift_count;
1877 ret_hw1 = sextract32(r1, 16, 16) >> -shift_count;
1878 return (ret_hw0 & 0xffff) | (ret_hw1 << 16);
1879 } else {
1880 ret_hw0 = sextract32(r1, 0, 16) << shift_count;
1881 ret_hw1 = sextract32(r1, 16, 16) << shift_count;
1882 return (ret_hw0 & 0xffff) | (ret_hw1 << 16);
1883 }
1884 }
1885
1886 uint32_t helper_bmerge(target_ulong r1, target_ulong r2)
1887 {
1888 uint32_t i, ret;
1889
1890 ret = 0;
1891 for (i = 0; i < 16; i++) {
1892 ret |= (r1 & 1) << (2 * i + 1);
1893 ret |= (r2 & 1) << (2 * i);
1894 r1 = r1 >> 1;
1895 r2 = r2 >> 1;
1896 }
1897 return ret;
1898 }
1899
1900 uint64_t helper_bsplit(uint32_t r1)
1901 {
1902 int32_t i;
1903 uint64_t ret;
1904
1905 ret = 0;
1906 for (i = 0; i < 32; i = i + 2) {
1907 /* even */
1908 ret |= (r1 & 1) << (i/2);
1909 r1 = r1 >> 1;
1910 /* odd */
1911 ret |= (uint64_t)(r1 & 1) << (i/2 + 32);
1912 r1 = r1 >> 1;
1913 }
1914 return ret;
1915 }
1916
1917 uint32_t helper_parity(target_ulong r1)
1918 {
1919 uint32_t ret;
1920 uint32_t nOnes, i;
1921
1922 ret = 0;
1923 nOnes = 0;
1924 for (i = 0; i < 8; i++) {
1925 ret ^= (r1 & 1);
1926 r1 = r1 >> 1;
1927 }
1928 /* second byte */
1929 nOnes = 0;
1930 for (i = 0; i < 8; i++) {
1931 nOnes ^= (r1 & 1);
1932 r1 = r1 >> 1;
1933 }
1934 ret |= nOnes << 8;
1935 /* third byte */
1936 nOnes = 0;
1937 for (i = 0; i < 8; i++) {
1938 nOnes ^= (r1 & 1);
1939 r1 = r1 >> 1;
1940 }
1941 ret |= nOnes << 16;
1942 /* fourth byte */
1943 nOnes = 0;
1944 for (i = 0; i < 8; i++) {
1945 nOnes ^= (r1 & 1);
1946 r1 = r1 >> 1;
1947 }
1948 ret |= nOnes << 24;
1949
1950 return ret;
1951 }
1952
1953 uint32_t helper_pack(uint32_t carry, uint32_t r1_low, uint32_t r1_high,
1954 target_ulong r2)
1955 {
1956 uint32_t ret;
1957 int32_t fp_exp, fp_frac, temp_exp, fp_exp_frac;
1958 int32_t int_exp = r1_high;
1959 int32_t int_mant = r1_low;
1960 uint32_t flag_rnd = (int_mant & (1 << 7)) && (
1961 (int_mant & (1 << 8)) ||
1962 (int_mant & 0x7f) ||
1963 (carry != 0));
1964 if (((int_mant & (1<<31)) == 0) && (int_exp == 255)) {
1965 fp_exp = 255;
1966 fp_frac = extract32(int_mant, 8, 23);
1967 } else if ((int_mant & (1<<31)) && (int_exp >= 127)) {
1968 fp_exp = 255;
1969 fp_frac = 0;
1970 } else if ((int_mant & (1<<31)) && (int_exp <= -128)) {
1971 fp_exp = 0;
1972 fp_frac = 0;
1973 } else if (int_mant == 0) {
1974 fp_exp = 0;
1975 fp_frac = 0;
1976 } else {
1977 if (((int_mant & (1 << 31)) == 0)) {
1978 temp_exp = 0;
1979 } else {
1980 temp_exp = int_exp + 128;
1981 }
1982 fp_exp_frac = (((temp_exp & 0xff) << 23) |
1983 extract32(int_mant, 8, 23))
1984 + flag_rnd;
1985 fp_exp = extract32(fp_exp_frac, 23, 8);
1986 fp_frac = extract32(fp_exp_frac, 0, 23);
1987 }
1988 ret = r2 & (1 << 31);
1989 ret = ret + (fp_exp << 23);
1990 ret = ret + (fp_frac & 0x7fffff);
1991
1992 return ret;
1993 }
1994
1995 uint64_t helper_unpack(target_ulong arg1)
1996 {
1997 int32_t fp_exp = extract32(arg1, 23, 8);
1998 int32_t fp_frac = extract32(arg1, 0, 23);
1999 uint64_t ret;
2000 int32_t int_exp, int_mant;
2001
2002 if (fp_exp == 255) {
2003 int_exp = 255;
2004 int_mant = (fp_frac << 7);
2005 } else if ((fp_exp == 0) && (fp_frac == 0)) {
2006 int_exp = -127;
2007 int_mant = 0;
2008 } else if ((fp_exp == 0) && (fp_frac != 0)) {
2009 int_exp = -126;
2010 int_mant = (fp_frac << 7);
2011 } else {
2012 int_exp = fp_exp - 127;
2013 int_mant = (fp_frac << 7);
2014 int_mant |= (1 << 30);
2015 }
2016 ret = int_exp;
2017 ret = ret << 32;
2018 ret |= int_mant;
2019
2020 return ret;
2021 }
2022
2023 uint64_t helper_dvinit_b_13(CPUTriCoreState *env, uint32_t r1, uint32_t r2)
2024 {
2025 uint64_t ret;
2026 int32_t abs_sig_dividend, abs_divisor;
2027
2028 ret = sextract32(r1, 0, 32);
2029 ret = ret << 24;
2030 if (!((r1 & 0x80000000) == (r2 & 0x80000000))) {
2031 ret |= 0xffffff;
2032 }
2033
2034 abs_sig_dividend = abs((int32_t)r1) >> 8;
2035 abs_divisor = abs((int32_t)r2);
2036 /* calc overflow
2037 ofv if (a/b >= 255) <=> (a/255 >= b) */
2038 env->PSW_USB_V = (abs_sig_dividend >= abs_divisor) << 31;
2039 env->PSW_USB_V = env->PSW_USB_V << 31;
2040 env->PSW_USB_SV |= env->PSW_USB_V;
2041 env->PSW_USB_AV = 0;
2042
2043 return ret;
2044 }
2045
2046 uint64_t helper_dvinit_b_131(CPUTriCoreState *env, uint32_t r1, uint32_t r2)
2047 {
2048 uint64_t ret = sextract32(r1, 0, 32);
2049
2050 ret = ret << 24;
2051 if (!((r1 & 0x80000000) == (r2 & 0x80000000))) {
2052 ret |= 0xffffff;
2053 }
2054 /* calc overflow */
2055 env->PSW_USB_V = ((r2 == 0) || ((r2 == 0xffffffff) && (r1 == 0xffffff80)));
2056 env->PSW_USB_V = env->PSW_USB_V << 31;
2057 env->PSW_USB_SV |= env->PSW_USB_V;
2058 env->PSW_USB_AV = 0;
2059
2060 return ret;
2061 }
2062
2063 uint64_t helper_dvinit_h_13(CPUTriCoreState *env, uint32_t r1, uint32_t r2)
2064 {
2065 uint64_t ret;
2066 int32_t abs_sig_dividend, abs_divisor;
2067
2068 ret = sextract32(r1, 0, 32);
2069 ret = ret << 16;
2070 if (!((r1 & 0x80000000) == (r2 & 0x80000000))) {
2071 ret |= 0xffff;
2072 }
2073
2074 abs_sig_dividend = abs((int32_t)r1) >> 16;
2075 abs_divisor = abs((int32_t)r2);
2076 /* calc overflow
2077 ofv if (a/b >= 0xffff) <=> (a/0xffff >= b) */
2078 env->PSW_USB_V = (abs_sig_dividend >= abs_divisor) << 31;
2079 env->PSW_USB_V = env->PSW_USB_V << 31;
2080 env->PSW_USB_SV |= env->PSW_USB_V;
2081 env->PSW_USB_AV = 0;
2082
2083 return ret;
2084 }
2085
2086 uint64_t helper_dvinit_h_131(CPUTriCoreState *env, uint32_t r1, uint32_t r2)
2087 {
2088 uint64_t ret = sextract32(r1, 0, 32);
2089
2090 ret = ret << 16;
2091 if (!((r1 & 0x80000000) == (r2 & 0x80000000))) {
2092 ret |= 0xffff;
2093 }
2094 /* calc overflow */
2095 env->PSW_USB_V = ((r2 == 0) || ((r2 == 0xffffffff) && (r1 == 0xffff8000)));
2096 env->PSW_USB_V = env->PSW_USB_V << 31;
2097 env->PSW_USB_SV |= env->PSW_USB_V;
2098 env->PSW_USB_AV = 0;
2099
2100 return ret;
2101 }
2102
2103 uint64_t helper_dvadj(uint64_t r1, uint32_t r2)
2104 {
2105 int32_t x_sign = (r1 >> 63);
2106 int32_t q_sign = x_sign ^ (r2 >> 31);
2107 int32_t eq_pos = x_sign & ((r1 >> 32) == r2);
2108 int32_t eq_neg = x_sign & ((r1 >> 32) == -r2);
2109 uint32_t quotient;
2110 uint64_t remainder;
2111
2112 if ((q_sign & ~eq_neg) | eq_pos) {
2113 quotient = (r1 + 1) & 0xffffffff;
2114 } else {
2115 quotient = r1 & 0xffffffff;
2116 }
2117
2118 if (eq_pos | eq_neg) {
2119 remainder = 0;
2120 } else {
2121 remainder = (r1 & 0xffffffff00000000ull);
2122 }
2123 return remainder | quotient;
2124 }
2125
2126 uint64_t helper_dvstep(uint64_t r1, uint32_t r2)
2127 {
2128 int32_t dividend_sign = extract64(r1, 63, 1);
2129 int32_t divisor_sign = extract32(r2, 31, 1);
2130 int32_t quotient_sign = (dividend_sign != divisor_sign);
2131 int32_t addend, dividend_quotient, remainder;
2132 int32_t i, temp;
2133
2134 if (quotient_sign) {
2135 addend = r2;
2136 } else {
2137 addend = -r2;
2138 }
2139 dividend_quotient = (int32_t)r1;
2140 remainder = (int32_t)(r1 >> 32);
2141
2142 for (i = 0; i < 8; i++) {
2143 remainder = (remainder << 1) | extract32(dividend_quotient, 31, 1);
2144 dividend_quotient <<= 1;
2145 temp = remainder + addend;
2146 if ((temp < 0) == dividend_sign) {
2147 remainder = temp;
2148 }
2149 if (((temp < 0) == dividend_sign)) {
2150 dividend_quotient = dividend_quotient | !quotient_sign;
2151 } else {
2152 dividend_quotient = dividend_quotient | quotient_sign;
2153 }
2154 }
2155 return ((uint64_t)remainder << 32) | (uint32_t)dividend_quotient;
2156 }
2157
2158 uint64_t helper_dvstep_u(uint64_t r1, uint32_t r2)
2159 {
2160 int32_t dividend_quotient = extract64(r1, 0, 32);
2161 int64_t remainder = extract64(r1, 32, 32);
2162 int32_t i;
2163 int64_t temp;
2164 for (i = 0; i < 8; i++) {
2165 remainder = (remainder << 1) | extract32(dividend_quotient, 31, 1);
2166 dividend_quotient <<= 1;
2167 temp = (remainder & 0xffffffff) - r2;
2168 if (temp >= 0) {
2169 remainder = temp;
2170 }
2171 dividend_quotient = dividend_quotient | !(temp < 0);
2172 }
2173 return ((uint64_t)remainder << 32) | (uint32_t)dividend_quotient;
2174 }
2175
2176 uint64_t helper_divide(CPUTriCoreState *env, uint32_t r1, uint32_t r2)
2177 {
2178 int32_t quotient, remainder;
2179 int32_t dividend = (int32_t)r1;
2180 int32_t divisor = (int32_t)r2;
2181
2182 if (divisor == 0) {
2183 if (dividend >= 0) {
2184 quotient = 0x7fffffff;
2185 remainder = 0;
2186 } else {
2187 quotient = 0x80000000;
2188 remainder = 0;
2189 }
2190 env->PSW_USB_V = (1 << 31);
2191 } else if ((divisor == 0xffffffff) && (dividend == 0x80000000)) {
2192 quotient = 0x7fffffff;
2193 remainder = 0;
2194 env->PSW_USB_V = (1 << 31);
2195 } else {
2196 remainder = dividend % divisor;
2197 quotient = (dividend - remainder)/divisor;
2198 env->PSW_USB_V = 0;
2199 }
2200 env->PSW_USB_SV |= env->PSW_USB_V;
2201 env->PSW_USB_AV = 0;
2202 return ((uint64_t)remainder << 32) | (uint32_t)quotient;
2203 }
2204
2205 uint64_t helper_divide_u(CPUTriCoreState *env, uint32_t r1, uint32_t r2)
2206 {
2207 uint32_t quotient, remainder;
2208 uint32_t dividend = r1;
2209 uint32_t divisor = r2;
2210
2211 if (divisor == 0) {
2212 quotient = 0xffffffff;
2213 remainder = 0;
2214 env->PSW_USB_V = (1 << 31);
2215 } else {
2216 remainder = dividend % divisor;
2217 quotient = (dividend - remainder)/divisor;
2218 env->PSW_USB_V = 0;
2219 }
2220 env->PSW_USB_SV |= env->PSW_USB_V;
2221 env->PSW_USB_AV = 0;
2222 return ((uint64_t)remainder << 32) | quotient;
2223 }
2224
2225 uint64_t helper_mul_h(uint32_t arg00, uint32_t arg01,
2226 uint32_t arg10, uint32_t arg11, uint32_t n)
2227 {
2228 uint32_t result0, result1;
2229
2230 int32_t sc1 = ((arg00 & 0xffff) == 0x8000) &&
2231 ((arg10 & 0xffff) == 0x8000) && (n == 1);
2232 int32_t sc0 = ((arg01 & 0xffff) == 0x8000) &&
2233 ((arg11 & 0xffff) == 0x8000) && (n == 1);
2234 if (sc1) {
2235 result1 = 0x7fffffff;
2236 } else {
2237 result1 = (((uint32_t)(arg00 * arg10)) << n);
2238 }
2239 if (sc0) {
2240 result0 = 0x7fffffff;
2241 } else {
2242 result0 = (((uint32_t)(arg01 * arg11)) << n);
2243 }
2244 return (((uint64_t)result1 << 32)) | result0;
2245 }
2246
2247 uint64_t helper_mulm_h(uint32_t arg00, uint32_t arg01,
2248 uint32_t arg10, uint32_t arg11, uint32_t n)
2249 {
2250 uint64_t ret;
2251 int64_t result0, result1;
2252
2253 int32_t sc1 = ((arg00 & 0xffff) == 0x8000) &&
2254 ((arg10 & 0xffff) == 0x8000) && (n == 1);
2255 int32_t sc0 = ((arg01 & 0xffff) == 0x8000) &&
2256 ((arg11 & 0xffff) == 0x8000) && (n == 1);
2257
2258 if (sc1) {
2259 result1 = 0x7fffffff;
2260 } else {
2261 result1 = (((int32_t)arg00 * (int32_t)arg10) << n);
2262 }
2263 if (sc0) {
2264 result0 = 0x7fffffff;
2265 } else {
2266 result0 = (((int32_t)arg01 * (int32_t)arg11) << n);
2267 }
2268 ret = (result1 + result0);
2269 ret = ret << 16;
2270 return ret;
2271 }
2272 uint32_t helper_mulr_h(uint32_t arg00, uint32_t arg01,
2273 uint32_t arg10, uint32_t arg11, uint32_t n)
2274 {
2275 uint32_t result0, result1;
2276
2277 int32_t sc1 = ((arg00 & 0xffff) == 0x8000) &&
2278 ((arg10 & 0xffff) == 0x8000) && (n == 1);
2279 int32_t sc0 = ((arg01 & 0xffff) == 0x8000) &&
2280 ((arg11 & 0xffff) == 0x8000) && (n == 1);
2281
2282 if (sc1) {
2283 result1 = 0x7fffffff;
2284 } else {
2285 result1 = ((arg00 * arg10) << n) + 0x8000;
2286 }
2287 if (sc0) {
2288 result0 = 0x7fffffff;
2289 } else {
2290 result0 = ((arg01 * arg11) << n) + 0x8000;
2291 }
2292 return (result1 & 0xffff0000) | (result0 >> 16);
2293 }
2294
2295 uint32_t helper_crc32(uint32_t arg0, uint32_t arg1)
2296 {
2297 uint8_t buf[4];
2298 stl_be_p(buf, arg0);
2299
2300 return crc32(arg1, buf, 4);
2301 }
2302
2303 /* context save area (CSA) related helpers */
2304
2305 static int cdc_increment(target_ulong *psw)
2306 {
2307 if ((*psw & MASK_PSW_CDC) == 0x7f) {
2308 return 0;
2309 }
2310
2311 (*psw)++;
2312 /* check for overflow */
2313 int lo = clo32((*psw & MASK_PSW_CDC) << (32 - 7));
2314 int mask = (1u << (7 - lo)) - 1;
2315 int count = *psw & mask;
2316 if (count == 0) {
2317 (*psw)--;
2318 return 1;
2319 }
2320 return 0;
2321 }
2322
2323 static int cdc_decrement(target_ulong *psw)
2324 {
2325 if ((*psw & MASK_PSW_CDC) == 0x7f) {
2326 return 0;
2327 }
2328 /* check for underflow */
2329 int lo = clo32((*psw & MASK_PSW_CDC) << (32 - 7));
2330 int mask = (1u << (7 - lo)) - 1;
2331 int count = *psw & mask;
2332 if (count == 0) {
2333 return 1;
2334 }
2335 (*psw)--;
2336 return 0;
2337 }
2338
2339 static bool cdc_zero(target_ulong *psw)
2340 {
2341 int cdc = *psw & MASK_PSW_CDC;
2342 /* Returns TRUE if PSW.CDC.COUNT == 0 or if PSW.CDC ==
2343 7'b1111111, otherwise returns FALSE. */
2344 if (cdc == 0x7f) {
2345 return true;
2346 }
2347 /* find CDC.COUNT */
2348 int lo = clo32((*psw & MASK_PSW_CDC) << (32 - 7));
2349 int mask = (1u << (7 - lo)) - 1;
2350 int count = *psw & mask;
2351 return count == 0;
2352 }
2353
2354 static void save_context_upper(CPUTriCoreState *env, int ea)
2355 {
2356 cpu_stl_data(env, ea, env->PCXI);
2357 cpu_stl_data(env, ea+4, psw_read(env));
2358 cpu_stl_data(env, ea+8, env->gpr_a[10]);
2359 cpu_stl_data(env, ea+12, env->gpr_a[11]);
2360 cpu_stl_data(env, ea+16, env->gpr_d[8]);
2361 cpu_stl_data(env, ea+20, env->gpr_d[9]);
2362 cpu_stl_data(env, ea+24, env->gpr_d[10]);
2363 cpu_stl_data(env, ea+28, env->gpr_d[11]);
2364 cpu_stl_data(env, ea+32, env->gpr_a[12]);
2365 cpu_stl_data(env, ea+36, env->gpr_a[13]);
2366 cpu_stl_data(env, ea+40, env->gpr_a[14]);
2367 cpu_stl_data(env, ea+44, env->gpr_a[15]);
2368 cpu_stl_data(env, ea+48, env->gpr_d[12]);
2369 cpu_stl_data(env, ea+52, env->gpr_d[13]);
2370 cpu_stl_data(env, ea+56, env->gpr_d[14]);
2371 cpu_stl_data(env, ea+60, env->gpr_d[15]);
2372 }
2373
2374 static void save_context_lower(CPUTriCoreState *env, int ea)
2375 {
2376 cpu_stl_data(env, ea, env->PCXI);
2377 cpu_stl_data(env, ea+4, env->gpr_a[11]);
2378 cpu_stl_data(env, ea+8, env->gpr_a[2]);
2379 cpu_stl_data(env, ea+12, env->gpr_a[3]);
2380 cpu_stl_data(env, ea+16, env->gpr_d[0]);
2381 cpu_stl_data(env, ea+20, env->gpr_d[1]);
2382 cpu_stl_data(env, ea+24, env->gpr_d[2]);
2383 cpu_stl_data(env, ea+28, env->gpr_d[3]);
2384 cpu_stl_data(env, ea+32, env->gpr_a[4]);
2385 cpu_stl_data(env, ea+36, env->gpr_a[5]);
2386 cpu_stl_data(env, ea+40, env->gpr_a[6]);
2387 cpu_stl_data(env, ea+44, env->gpr_a[7]);
2388 cpu_stl_data(env, ea+48, env->gpr_d[4]);
2389 cpu_stl_data(env, ea+52, env->gpr_d[5]);
2390 cpu_stl_data(env, ea+56, env->gpr_d[6]);
2391 cpu_stl_data(env, ea+60, env->gpr_d[7]);
2392 }
2393
2394 static void restore_context_upper(CPUTriCoreState *env, int ea,
2395 target_ulong *new_PCXI, target_ulong *new_PSW)
2396 {
2397 *new_PCXI = cpu_ldl_data(env, ea);
2398 *new_PSW = cpu_ldl_data(env, ea+4);
2399 env->gpr_a[10] = cpu_ldl_data(env, ea+8);
2400 env->gpr_a[11] = cpu_ldl_data(env, ea+12);
2401 env->gpr_d[8] = cpu_ldl_data(env, ea+16);
2402 env->gpr_d[9] = cpu_ldl_data(env, ea+20);
2403 env->gpr_d[10] = cpu_ldl_data(env, ea+24);
2404 env->gpr_d[11] = cpu_ldl_data(env, ea+28);
2405 env->gpr_a[12] = cpu_ldl_data(env, ea+32);
2406 env->gpr_a[13] = cpu_ldl_data(env, ea+36);
2407 env->gpr_a[14] = cpu_ldl_data(env, ea+40);
2408 env->gpr_a[15] = cpu_ldl_data(env, ea+44);
2409 env->gpr_d[12] = cpu_ldl_data(env, ea+48);
2410 env->gpr_d[13] = cpu_ldl_data(env, ea+52);
2411 env->gpr_d[14] = cpu_ldl_data(env, ea+56);
2412 env->gpr_d[15] = cpu_ldl_data(env, ea+60);
2413 }
2414
2415 static void restore_context_lower(CPUTriCoreState *env, int ea,
2416 target_ulong *ra, target_ulong *pcxi)
2417 {
2418 *pcxi = cpu_ldl_data(env, ea);
2419 *ra = cpu_ldl_data(env, ea+4);
2420 env->gpr_a[2] = cpu_ldl_data(env, ea+8);
2421 env->gpr_a[3] = cpu_ldl_data(env, ea+12);
2422 env->gpr_d[0] = cpu_ldl_data(env, ea+16);
2423 env->gpr_d[1] = cpu_ldl_data(env, ea+20);
2424 env->gpr_d[2] = cpu_ldl_data(env, ea+24);
2425 env->gpr_d[3] = cpu_ldl_data(env, ea+28);
2426 env->gpr_a[4] = cpu_ldl_data(env, ea+32);
2427 env->gpr_a[5] = cpu_ldl_data(env, ea+36);
2428 env->gpr_a[6] = cpu_ldl_data(env, ea+40);
2429 env->gpr_a[7] = cpu_ldl_data(env, ea+44);
2430 env->gpr_d[4] = cpu_ldl_data(env, ea+48);
2431 env->gpr_d[5] = cpu_ldl_data(env, ea+52);
2432 env->gpr_d[6] = cpu_ldl_data(env, ea+56);
2433 env->gpr_d[7] = cpu_ldl_data(env, ea+60);
2434 }
2435
2436 void helper_call(CPUTriCoreState *env, uint32_t next_pc)
2437 {
2438 target_ulong tmp_FCX;
2439 target_ulong ea;
2440 target_ulong new_FCX;
2441 target_ulong psw;
2442
2443 psw = psw_read(env);
2444 /* if (FCX == 0) trap(FCU); */
2445 if (env->FCX == 0) {
2446 /* FCU trap */
2447 raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCU, GETPC());
2448 }
2449 /* if (PSW.CDE) then if (cdc_increment()) then trap(CDO); */
2450 if (psw & MASK_PSW_CDE) {
2451 if (cdc_increment(&psw)) {
2452 /* CDO trap */
2453 raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CDO, GETPC());
2454 }
2455 }
2456 /* PSW.CDE = 1;*/
2457 psw |= MASK_PSW_CDE;
2458 /* tmp_FCX = FCX; */
2459 tmp_FCX = env->FCX;
2460 /* EA = {FCX.FCXS, 6'b0, FCX.FCXO, 6'b0}; */
2461 ea = ((env->FCX & MASK_FCX_FCXS) << 12) +
2462 ((env->FCX & MASK_FCX_FCXO) << 6);
2463 /* new_FCX = M(EA, word); */
2464 new_FCX = cpu_ldl_data(env, ea);
2465 /* M(EA, 16 * word) = {PCXI, PSW, A[10], A[11], D[8], D[9], D[10], D[11],
2466 A[12], A[13], A[14], A[15], D[12], D[13], D[14],
2467 D[15]}; */
2468 save_context_upper(env, ea);
2469
2470 /* PCXI.PCPN = ICR.CCPN; */
2471 env->PCXI = (env->PCXI & 0xffffff) +
2472 ((env->ICR & MASK_ICR_CCPN) << 24);
2473 /* PCXI.PIE = ICR.IE; */
2474 env->PCXI = ((env->PCXI & ~MASK_PCXI_PIE_1_3) +
2475 ((env->ICR & MASK_ICR_IE_1_3) << 15));
2476 /* PCXI.UL = 1; */
2477 env->PCXI |= MASK_PCXI_UL;
2478
2479 /* PCXI[19: 0] = FCX[19: 0]; */
2480 env->PCXI = (env->PCXI & 0xfff00000) + (env->FCX & 0xfffff);
2481 /* FCX[19: 0] = new_FCX[19: 0]; */
2482 env->FCX = (env->FCX & 0xfff00000) + (new_FCX & 0xfffff);
2483 /* A[11] = next_pc[31: 0]; */
2484 env->gpr_a[11] = next_pc;
2485
2486 /* if (tmp_FCX == LCX) trap(FCD);*/
2487 if (tmp_FCX == env->LCX) {
2488 /* FCD trap */
2489 raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCD, GETPC());
2490 }
2491 psw_write(env, psw);
2492 }
2493
2494 void helper_ret(CPUTriCoreState *env)
2495 {
2496 target_ulong ea;
2497 target_ulong new_PCXI;
2498 target_ulong new_PSW, psw;
2499
2500 psw = psw_read(env);
2501 /* if (PSW.CDE) then if (cdc_decrement()) then trap(CDU);*/
2502 if (psw & MASK_PSW_CDE) {
2503 if (cdc_decrement(&psw)) {
2504 /* CDU trap */
2505 psw_write(env, psw);
2506 raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CDU, GETPC());
2507 }
2508 }
2509 /* if (PCXI[19: 0] == 0) then trap(CSU); */
2510 if ((env->PCXI & 0xfffff) == 0) {
2511 /* CSU trap */
2512 psw_write(env, psw);
2513 raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CSU, GETPC());
2514 }
2515 /* if (PCXI.UL == 0) then trap(CTYP); */
2516 if ((env->PCXI & MASK_PCXI_UL) == 0) {
2517 /* CTYP trap */
2518 cdc_increment(&psw); /* restore to the start of helper */
2519 psw_write(env, psw);
2520 raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CTYP, GETPC());
2521 }
2522 /* PC = {A11 [31: 1], 1’b0}; */
2523 env->PC = env->gpr_a[11] & 0xfffffffe;
2524
2525 /* EA = {PCXI.PCXS, 6'b0, PCXI.PCXO, 6'b0}; */
2526 ea = ((env->PCXI & MASK_PCXI_PCXS) << 12) +
2527 ((env->PCXI & MASK_PCXI_PCXO) << 6);
2528 /* {new_PCXI, new_PSW, A[10], A[11], D[8], D[9], D[10], D[11], A[12],
2529 A[13], A[14], A[15], D[12], D[13], D[14], D[15]} = M(EA, 16 * word); */
2530 restore_context_upper(env, ea, &new_PCXI, &new_PSW);
2531 /* M(EA, word) = FCX; */
2532 cpu_stl_data(env, ea, env->FCX);
2533 /* FCX[19: 0] = PCXI[19: 0]; */
2534 env->FCX = (env->FCX & 0xfff00000) + (env->PCXI & 0x000fffff);
2535 /* PCXI = new_PCXI; */
2536 env->PCXI = new_PCXI;
2537
2538 if (tricore_feature(env, TRICORE_FEATURE_13)) {
2539 /* PSW = new_PSW */
2540 psw_write(env, new_PSW);
2541 } else {
2542 /* PSW = {new_PSW[31:26], PSW[25:24], new_PSW[23:0]}; */
2543 psw_write(env, (new_PSW & ~(0x3000000)) + (psw & (0x3000000)));
2544 }
2545 }
2546
2547 void helper_bisr(CPUTriCoreState *env, uint32_t const9)
2548 {
2549 target_ulong tmp_FCX;
2550 target_ulong ea;
2551 target_ulong new_FCX;
2552
2553 if (env->FCX == 0) {
2554 /* FCU trap */
2555 raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCU, GETPC());
2556 }
2557
2558 tmp_FCX = env->FCX;
2559 ea = ((env->FCX & 0xf0000) << 12) + ((env->FCX & 0xffff) << 6);
2560
2561 /* new_FCX = M(EA, word); */
2562 new_FCX = cpu_ldl_data(env, ea);
2563 /* M(EA, 16 * word) = {PCXI, A[11], A[2], A[3], D[0], D[1], D[2], D[3], A[4]
2564 , A[5], A[6], A[7], D[4], D[5], D[6], D[7]}; */
2565 save_context_lower(env, ea);
2566
2567
2568 /* PCXI.PCPN = ICR.CCPN */
2569 env->PCXI = (env->PCXI & 0xffffff) +
2570 ((env->ICR & MASK_ICR_CCPN) << 24);
2571 /* PCXI.PIE = ICR.IE */
2572 env->PCXI = ((env->PCXI & ~MASK_PCXI_PIE_1_3) +
2573 ((env->ICR & MASK_ICR_IE_1_3) << 15));
2574 /* PCXI.UL = 0 */
2575 env->PCXI &= ~(MASK_PCXI_UL);
2576 /* PCXI[19: 0] = FCX[19: 0] */
2577 env->PCXI = (env->PCXI & 0xfff00000) + (env->FCX & 0xfffff);
2578 /* FXC[19: 0] = new_FCX[19: 0] */
2579 env->FCX = (env->FCX & 0xfff00000) + (new_FCX & 0xfffff);
2580 /* ICR.IE = 1 */
2581 env->ICR |= MASK_ICR_IE_1_3;
2582
2583 env->ICR |= const9; /* ICR.CCPN = const9[7: 0];*/
2584
2585 if (tmp_FCX == env->LCX) {
2586 /* FCD trap */
2587 raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCD, GETPC());
2588 }
2589 }
2590
2591 void helper_rfe(CPUTriCoreState *env)
2592 {
2593 target_ulong ea;
2594 target_ulong new_PCXI;
2595 target_ulong new_PSW;
2596 /* if (PCXI[19: 0] == 0) then trap(CSU); */
2597 if ((env->PCXI & 0xfffff) == 0) {
2598 /* raise csu trap */
2599 raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CSU, GETPC());
2600 }
2601 /* if (PCXI.UL == 0) then trap(CTYP); */
2602 if ((env->PCXI & MASK_PCXI_UL) == 0) {
2603 /* raise CTYP trap */
2604 raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CTYP, GETPC());
2605 }
2606 /* if (!cdc_zero() AND PSW.CDE) then trap(NEST); */
2607 if (!cdc_zero(&(env->PSW)) && (env->PSW & MASK_PSW_CDE)) {
2608 /* raise NEST trap */
2609 raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_NEST, GETPC());
2610 }
2611 env->PC = env->gpr_a[11] & ~0x1;
2612 /* ICR.IE = PCXI.PIE; */
2613 env->ICR = (env->ICR & ~MASK_ICR_IE_1_3)
2614 + ((env->PCXI & MASK_PCXI_PIE_1_3) >> 15);
2615 /* ICR.CCPN = PCXI.PCPN; */
2616 env->ICR = (env->ICR & ~MASK_ICR_CCPN) +
2617 ((env->PCXI & MASK_PCXI_PCPN) >> 24);
2618 /*EA = {PCXI.PCXS, 6'b0, PCXI.PCXO, 6'b0};*/
2619 ea = ((env->PCXI & MASK_PCXI_PCXS) << 12) +
2620 ((env->PCXI & MASK_PCXI_PCXO) << 6);
2621 /*{new_PCXI, PSW, A[10], A[11], D[8], D[9], D[10], D[11], A[12],
2622 A[13], A[14], A[15], D[12], D[13], D[14], D[15]} = M(EA, 16 * word); */
2623 restore_context_upper(env, ea, &new_PCXI, &new_PSW);
2624 /* M(EA, word) = FCX;*/
2625 cpu_stl_data(env, ea, env->FCX);
2626 /* FCX[19: 0] = PCXI[19: 0]; */
2627 env->FCX = (env->FCX & 0xfff00000) + (env->PCXI & 0x000fffff);
2628 /* PCXI = new_PCXI; */
2629 env->PCXI = new_PCXI;
2630 /* write psw */
2631 psw_write(env, new_PSW);
2632 }
2633
2634 void helper_rfm(CPUTriCoreState *env)
2635 {
2636 env->PC = (env->gpr_a[11] & ~0x1);
2637 /* ICR.IE = PCXI.PIE; */
2638 env->ICR = (env->ICR & ~MASK_ICR_IE_1_3)
2639 | ((env->PCXI & MASK_PCXI_PIE_1_3) >> 15);
2640 /* ICR.CCPN = PCXI.PCPN; */
2641 env->ICR = (env->ICR & ~MASK_ICR_CCPN) |
2642 ((env->PCXI & MASK_PCXI_PCPN) >> 24);
2643 /* {PCXI, PSW, A[10], A[11]} = M(DCX, 4 * word); */
2644 env->PCXI = cpu_ldl_data(env, env->DCX);
2645 psw_write(env, cpu_ldl_data(env, env->DCX+4));
2646 env->gpr_a[10] = cpu_ldl_data(env, env->DCX+8);
2647 env->gpr_a[11] = cpu_ldl_data(env, env->DCX+12);
2648
2649 if (tricore_feature(env, TRICORE_FEATURE_131)) {
2650 env->DBGTCR = 0;
2651 }
2652 }
2653
2654 void helper_ldlcx(CPUTriCoreState *env, uint32_t ea)
2655 {
2656 uint32_t dummy;
2657 /* insn doesn't load PCXI and RA */
2658 restore_context_lower(env, ea, &dummy, &dummy);
2659 }
2660
2661 void helper_lducx(CPUTriCoreState *env, uint32_t ea)
2662 {
2663 uint32_t dummy;
2664 /* insn doesn't load PCXI and PSW */
2665 restore_context_upper(env, ea, &dummy, &dummy);
2666 }
2667
2668 void helper_stlcx(CPUTriCoreState *env, uint32_t ea)
2669 {
2670 save_context_lower(env, ea);
2671 }
2672
2673 void helper_stucx(CPUTriCoreState *env, uint32_t ea)
2674 {
2675 save_context_upper(env, ea);
2676 }
2677
2678 void helper_svlcx(CPUTriCoreState *env)
2679 {
2680 target_ulong tmp_FCX;
2681 target_ulong ea;
2682 target_ulong new_FCX;
2683
2684 if (env->FCX == 0) {
2685 /* FCU trap */
2686 raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCU, GETPC());
2687 }
2688 /* tmp_FCX = FCX; */
2689 tmp_FCX = env->FCX;
2690 /* EA = {FCX.FCXS, 6'b0, FCX.FCXO, 6'b0}; */
2691 ea = ((env->FCX & MASK_FCX_FCXS) << 12) +
2692 ((env->FCX & MASK_FCX_FCXO) << 6);
2693 /* new_FCX = M(EA, word); */
2694 new_FCX = cpu_ldl_data(env, ea);
2695 /* M(EA, 16 * word) = {PCXI, PSW, A[10], A[11], D[8], D[9], D[10], D[11],
2696 A[12], A[13], A[14], A[15], D[12], D[13], D[14],
2697 D[15]}; */
2698 save_context_lower(env, ea);
2699
2700 /* PCXI.PCPN = ICR.CCPN; */
2701 env->PCXI = (env->PCXI & 0xffffff) +
2702 ((env->ICR & MASK_ICR_CCPN) << 24);
2703 /* PCXI.PIE = ICR.IE; */
2704 env->PCXI = ((env->PCXI & ~MASK_PCXI_PIE_1_3) +
2705 ((env->ICR & MASK_ICR_IE_1_3) << 15));
2706 /* PCXI.UL = 0; */
2707 env->PCXI &= ~MASK_PCXI_UL;
2708
2709 /* PCXI[19: 0] = FCX[19: 0]; */
2710 env->PCXI = (env->PCXI & 0xfff00000) + (env->FCX & 0xfffff);
2711 /* FCX[19: 0] = new_FCX[19: 0]; */
2712 env->FCX = (env->FCX & 0xfff00000) + (new_FCX & 0xfffff);
2713
2714 /* if (tmp_FCX == LCX) trap(FCD);*/
2715 if (tmp_FCX == env->LCX) {
2716 /* FCD trap */
2717 raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCD, GETPC());
2718 }
2719 }
2720
2721 void helper_svucx(CPUTriCoreState *env)
2722 {
2723 target_ulong tmp_FCX;
2724 target_ulong ea;
2725 target_ulong new_FCX;
2726
2727 if (env->FCX == 0) {
2728 /* FCU trap */
2729 raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCU, GETPC());
2730 }
2731 /* tmp_FCX = FCX; */
2732 tmp_FCX = env->FCX;
2733 /* EA = {FCX.FCXS, 6'b0, FCX.FCXO, 6'b0}; */
2734 ea = ((env->FCX & MASK_FCX_FCXS) << 12) +
2735 ((env->FCX & MASK_FCX_FCXO) << 6);
2736 /* new_FCX = M(EA, word); */
2737 new_FCX = cpu_ldl_data(env, ea);
2738 /* M(EA, 16 * word) = {PCXI, PSW, A[10], A[11], D[8], D[9], D[10], D[11],
2739 A[12], A[13], A[14], A[15], D[12], D[13], D[14],
2740 D[15]}; */
2741 save_context_upper(env, ea);
2742
2743 /* PCXI.PCPN = ICR.CCPN; */
2744 env->PCXI = (env->PCXI & 0xffffff) +
2745 ((env->ICR & MASK_ICR_CCPN) << 24);
2746 /* PCXI.PIE = ICR.IE; */
2747 env->PCXI = ((env->PCXI & ~MASK_PCXI_PIE_1_3) +
2748 ((env->ICR & MASK_ICR_IE_1_3) << 15));
2749 /* PCXI.UL = 1; */
2750 env->PCXI |= MASK_PCXI_UL;
2751
2752 /* PCXI[19: 0] = FCX[19: 0]; */
2753 env->PCXI = (env->PCXI & 0xfff00000) + (env->FCX & 0xfffff);
2754 /* FCX[19: 0] = new_FCX[19: 0]; */
2755 env->FCX = (env->FCX & 0xfff00000) + (new_FCX & 0xfffff);
2756
2757 /* if (tmp_FCX == LCX) trap(FCD);*/
2758 if (tmp_FCX == env->LCX) {
2759 /* FCD trap */
2760 raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCD, GETPC());
2761 }
2762 }
2763
2764 void helper_rslcx(CPUTriCoreState *env)
2765 {
2766 target_ulong ea;
2767 target_ulong new_PCXI;
2768 /* if (PCXI[19: 0] == 0) then trap(CSU); */
2769 if ((env->PCXI & 0xfffff) == 0) {
2770 /* CSU trap */
2771 raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CSU, GETPC());
2772 }
2773 /* if (PCXI.UL == 1) then trap(CTYP); */
2774 if ((env->PCXI & MASK_PCXI_UL) != 0) {
2775 /* CTYP trap */
2776 raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CTYP, GETPC());
2777 }
2778 /* EA = {PCXI.PCXS, 6'b0, PCXI.PCXO, 6'b0}; */
2779 ea = ((env->PCXI & MASK_PCXI_PCXS) << 12) +
2780 ((env->PCXI & MASK_PCXI_PCXO) << 6);
2781 /* {new_PCXI, A[11], A[10], A[11], D[8], D[9], D[10], D[11], A[12],
2782 A[13], A[14], A[15], D[12], D[13], D[14], D[15]} = M(EA, 16 * word); */
2783 restore_context_lower(env, ea, &env->gpr_a[11], &new_PCXI);
2784 /* M(EA, word) = FCX; */
2785 cpu_stl_data(env, ea, env->FCX);
2786 /* M(EA, word) = FCX; */
2787 cpu_stl_data(env, ea, env->FCX);
2788 /* FCX[19: 0] = PCXI[19: 0]; */
2789 env->FCX = (env->FCX & 0xfff00000) + (env->PCXI & 0x000fffff);
2790 /* PCXI = new_PCXI; */
2791 env->PCXI = new_PCXI;
2792 }
2793
2794 void helper_psw_write(CPUTriCoreState *env, uint32_t arg)
2795 {
2796 psw_write(env, arg);
2797 }
2798
2799 uint32_t helper_psw_read(CPUTriCoreState *env)
2800 {
2801 return psw_read(env);
2802 }
AR7 emulation for QEMU