]>
git.proxmox.com Git - mirror_qemu.git/blob - target-tricore/op_helper.c
2 * Copyright (c) 2012-2014 Bastian Koppelmann C-Lab/University Paderborn
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 of the License, or (at your option) any later version.
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.
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/>.
19 #include "qemu/host-utils.h"
20 #include "exec/helper-proto.h"
21 #include "exec/cpu_ldst.h"
23 /* Addressing mode helper */
25 static uint16_t reverse16(uint16_t val
)
27 uint8_t high
= (uint8_t)(val
>> 8);
28 uint8_t low
= (uint8_t)(val
& 0xff);
32 rl
= (uint16_t)((high
* 0x0202020202ULL
& 0x010884422010ULL
) % 1023);
33 rh
= (uint16_t)((low
* 0x0202020202ULL
& 0x010884422010ULL
) % 1023);
35 return (rh
<< 8) | rl
;
38 uint32_t helper_br_update(uint32_t reg
)
40 uint32_t index
= reg
& 0xffff;
41 uint32_t incr
= reg
>> 16;
42 uint32_t new_index
= reverse16(reverse16(index
) + reverse16(incr
));
43 return reg
- index
+ new_index
;
46 uint32_t helper_circ_update(uint32_t reg
, uint32_t off
)
48 uint32_t index
= reg
& 0xffff;
49 uint32_t length
= reg
>> 16;
50 int32_t new_index
= index
+ off
;
56 return reg
- index
+ new_index
;
59 static uint32_t ssov32(CPUTriCoreState
*env
, int64_t arg
)
62 int64_t max_pos
= INT32_MAX
;
63 int64_t max_neg
= INT32_MIN
;
65 env
->PSW_USB_V
= (1 << 31);
66 env
->PSW_USB_SV
= (1 << 31);
67 ret
= (target_ulong
)max_pos
;
70 env
->PSW_USB_V
= (1 << 31);
71 env
->PSW_USB_SV
= (1 << 31);
72 ret
= (target_ulong
)max_neg
;
75 ret
= (target_ulong
)arg
;
78 env
->PSW_USB_AV
= arg
^ arg
* 2u;
79 env
->PSW_USB_SAV
|= env
->PSW_USB_AV
;
83 static uint32_t suov32_pos(CPUTriCoreState
*env
, uint64_t arg
)
86 uint64_t max_pos
= UINT32_MAX
;
88 env
->PSW_USB_V
= (1 << 31);
89 env
->PSW_USB_SV
= (1 << 31);
90 ret
= (target_ulong
)max_pos
;
93 ret
= (target_ulong
)arg
;
95 env
->PSW_USB_AV
= arg
^ arg
* 2u;
96 env
->PSW_USB_SAV
|= env
->PSW_USB_AV
;
100 static uint32_t suov32_neg(CPUTriCoreState
*env
, int64_t arg
)
105 env
->PSW_USB_V
= (1 << 31);
106 env
->PSW_USB_SV
= (1 << 31);
110 ret
= (target_ulong
)arg
;
112 env
->PSW_USB_AV
= arg
^ arg
* 2u;
113 env
->PSW_USB_SAV
|= env
->PSW_USB_AV
;
117 static uint32_t ssov16(CPUTriCoreState
*env
, int32_t hw0
, int32_t hw1
)
119 int32_t max_pos
= INT16_MAX
;
120 int32_t max_neg
= INT16_MIN
;
124 av0
= hw0
^ hw0
* 2u;
126 env
->PSW_USB_V
= (1 << 31);
128 } else if (hw0
< max_neg
) {
129 env
->PSW_USB_V
= (1 << 31);
133 av1
= hw1
^ hw1
* 2u;
135 env
->PSW_USB_V
= (1 << 31);
137 } else if (hw1
< max_neg
) {
138 env
->PSW_USB_V
= (1 << 31);
142 env
->PSW_USB_SV
|= env
->PSW_USB_V
;
143 env
->PSW_USB_AV
= (av0
| av1
) << 16;
144 env
->PSW_USB_SAV
|= env
->PSW_USB_AV
;
145 return (hw0
& 0xffff) | (hw1
<< 16);
148 static uint32_t suov16(CPUTriCoreState
*env
, int32_t hw0
, int32_t hw1
)
150 int32_t max_pos
= UINT16_MAX
;
154 av0
= hw0
^ hw0
* 2u;
156 env
->PSW_USB_V
= (1 << 31);
158 } else if (hw0
< 0) {
159 env
->PSW_USB_V
= (1 << 31);
163 av1
= hw1
^ hw1
* 2u;
165 env
->PSW_USB_V
= (1 << 31);
167 } else if (hw1
< 0) {
168 env
->PSW_USB_V
= (1 << 31);
172 env
->PSW_USB_SV
|= env
->PSW_USB_V
;
173 env
->PSW_USB_AV
= (av0
| av1
) << 16;
174 env
->PSW_USB_SAV
|= env
->PSW_USB_AV
;
175 return (hw0
& 0xffff) | (hw1
<< 16);
178 target_ulong
helper_add_ssov(CPUTriCoreState
*env
, target_ulong r1
,
181 int64_t t1
= sextract64(r1
, 0, 32);
182 int64_t t2
= sextract64(r2
, 0, 32);
183 int64_t result
= t1
+ t2
;
184 return ssov32(env
, result
);
187 target_ulong
helper_add_h_ssov(CPUTriCoreState
*env
, target_ulong r1
,
190 int32_t ret_hw0
, ret_hw1
;
192 ret_hw0
= sextract32(r1
, 0, 16) + sextract32(r2
, 0, 16);
193 ret_hw1
= sextract32(r1
, 16, 16) + sextract32(r2
, 16, 16);
194 return ssov16(env
, ret_hw0
, ret_hw1
);
197 target_ulong
helper_add_suov(CPUTriCoreState
*env
, target_ulong r1
,
200 int64_t t1
= extract64(r1
, 0, 32);
201 int64_t t2
= extract64(r2
, 0, 32);
202 int64_t result
= t1
+ t2
;
203 return suov32_pos(env
, result
);
206 target_ulong
helper_add_h_suov(CPUTriCoreState
*env
, target_ulong r1
,
209 int32_t ret_hw0
, ret_hw1
;
211 ret_hw0
= extract32(r1
, 0, 16) + extract32(r2
, 0, 16);
212 ret_hw1
= extract32(r1
, 16, 16) + extract32(r2
, 16, 16);
213 return suov16(env
, ret_hw0
, ret_hw1
);
216 target_ulong
helper_sub_ssov(CPUTriCoreState
*env
, target_ulong r1
,
219 int64_t t1
= sextract64(r1
, 0, 32);
220 int64_t t2
= sextract64(r2
, 0, 32);
221 int64_t result
= t1
- t2
;
222 return ssov32(env
, result
);
225 target_ulong
helper_sub_h_ssov(CPUTriCoreState
*env
, target_ulong r1
,
228 int32_t ret_hw0
, ret_hw1
;
230 ret_hw0
= sextract32(r1
, 0, 16) - sextract32(r2
, 0, 16);
231 ret_hw1
= sextract32(r1
, 16, 16) - sextract32(r2
, 16, 16);
232 return ssov16(env
, ret_hw0
, ret_hw1
);
235 target_ulong
helper_sub_suov(CPUTriCoreState
*env
, target_ulong r1
,
238 int64_t t1
= extract64(r1
, 0, 32);
239 int64_t t2
= extract64(r2
, 0, 32);
240 int64_t result
= t1
- t2
;
241 return suov32_neg(env
, result
);
244 target_ulong
helper_sub_h_suov(CPUTriCoreState
*env
, target_ulong r1
,
247 int32_t ret_hw0
, ret_hw1
;
249 ret_hw0
= extract32(r1
, 0, 16) - extract32(r2
, 0, 16);
250 ret_hw1
= extract32(r1
, 16, 16) - extract32(r2
, 16, 16);
251 return suov16(env
, ret_hw0
, ret_hw1
);
254 target_ulong
helper_mul_ssov(CPUTriCoreState
*env
, target_ulong r1
,
257 int64_t t1
= sextract64(r1
, 0, 32);
258 int64_t t2
= sextract64(r2
, 0, 32);
259 int64_t result
= t1
* t2
;
260 return ssov32(env
, result
);
263 target_ulong
helper_mul_suov(CPUTriCoreState
*env
, target_ulong r1
,
266 int64_t t1
= extract64(r1
, 0, 32);
267 int64_t t2
= extract64(r2
, 0, 32);
268 int64_t result
= t1
* t2
;
270 return suov32_pos(env
, result
);
273 target_ulong
helper_sha_ssov(CPUTriCoreState
*env
, target_ulong r1
,
276 int64_t t1
= sextract64(r1
, 0, 32);
277 int32_t t2
= sextract64(r2
, 0, 6);
286 return ssov32(env
, result
);
289 uint32_t helper_abs_ssov(CPUTriCoreState
*env
, target_ulong r1
)
292 result
= ((int32_t)r1
>= 0) ? r1
: (0 - r1
);
293 return ssov32(env
, result
);
296 uint32_t helper_abs_h_ssov(CPUTriCoreState
*env
, target_ulong r1
)
298 int32_t ret_h0
, ret_h1
;
300 ret_h0
= sextract32(r1
, 0, 16);
301 ret_h0
= (ret_h0
>= 0) ? ret_h0
: (0 - ret_h0
);
303 ret_h1
= sextract32(r1
, 16, 16);
304 ret_h1
= (ret_h1
>= 0) ? ret_h1
: (0 - ret_h1
);
306 return ssov16(env
, ret_h0
, ret_h1
);
309 target_ulong
helper_absdif_ssov(CPUTriCoreState
*env
, target_ulong r1
,
312 int64_t t1
= sextract64(r1
, 0, 32);
313 int64_t t2
= sextract64(r2
, 0, 32);
321 return ssov32(env
, result
);
324 uint32_t helper_absdif_h_ssov(CPUTriCoreState
*env
, target_ulong r1
,
328 int32_t ret_h0
, ret_h1
;
330 t1
= sextract32(r1
, 0, 16);
331 t2
= sextract32(r2
, 0, 16);
338 t1
= sextract32(r1
, 16, 16);
339 t2
= sextract32(r2
, 16, 16);
346 return ssov16(env
, ret_h0
, ret_h1
);
349 target_ulong
helper_madd32_ssov(CPUTriCoreState
*env
, target_ulong r1
,
350 target_ulong r2
, target_ulong r3
)
352 int64_t t1
= sextract64(r1
, 0, 32);
353 int64_t t2
= sextract64(r2
, 0, 32);
354 int64_t t3
= sextract64(r3
, 0, 32);
357 result
= t2
+ (t1
* t3
);
358 return ssov32(env
, result
);
361 target_ulong
helper_madd32_suov(CPUTriCoreState
*env
, target_ulong r1
,
362 target_ulong r2
, target_ulong r3
)
364 uint64_t t1
= extract64(r1
, 0, 32);
365 uint64_t t2
= extract64(r2
, 0, 32);
366 uint64_t t3
= extract64(r3
, 0, 32);
369 result
= t2
+ (t1
* t3
);
370 return suov32_pos(env
, result
);
373 uint64_t helper_madd64_ssov(CPUTriCoreState
*env
, target_ulong r1
,
374 uint64_t r2
, target_ulong r3
)
377 int64_t t1
= sextract64(r1
, 0, 32);
378 int64_t t3
= sextract64(r3
, 0, 32);
383 ovf
= (ret
^ mul
) & ~(mul
^ r2
);
386 env
->PSW_USB_AV
= t1
^ t1
* 2u;
387 env
->PSW_USB_SAV
|= env
->PSW_USB_AV
;
389 if ((int64_t)ovf
< 0) {
390 env
->PSW_USB_V
= (1 << 31);
391 env
->PSW_USB_SV
= (1 << 31);
392 /* ext_ret > MAX_INT */
395 /* ext_ret < MIN_INT */
406 uint64_t helper_madd64_suov(CPUTriCoreState
*env
, target_ulong r1
,
407 uint64_t r2
, target_ulong r3
)
410 uint64_t t1
= extract64(r1
, 0, 32);
411 uint64_t t3
= extract64(r3
, 0, 32);
417 env
->PSW_USB_AV
= t1
^ t1
* 2u;
418 env
->PSW_USB_SAV
|= env
->PSW_USB_AV
;
421 env
->PSW_USB_V
= (1 << 31);
422 env
->PSW_USB_SV
= (1 << 31);
431 target_ulong
helper_msub32_ssov(CPUTriCoreState
*env
, target_ulong r1
,
432 target_ulong r2
, target_ulong r3
)
434 int64_t t1
= sextract64(r1
, 0, 32);
435 int64_t t2
= sextract64(r2
, 0, 32);
436 int64_t t3
= sextract64(r3
, 0, 32);
439 result
= t2
- (t1
* t3
);
440 return ssov32(env
, result
);
443 target_ulong
helper_msub32_suov(CPUTriCoreState
*env
, target_ulong r1
,
444 target_ulong r2
, target_ulong r3
)
446 int64_t t1
= extract64(r1
, 0, 32);
447 int64_t t2
= extract64(r2
, 0, 32);
448 int64_t t3
= extract64(r3
, 0, 32);
451 result
= t2
- (t1
* t3
);
452 return suov32_neg(env
, result
);
455 uint64_t helper_msub64_ssov(CPUTriCoreState
*env
, target_ulong r1
,
456 uint64_t r2
, target_ulong r3
)
459 int64_t t1
= sextract64(r1
, 0, 32);
460 int64_t t3
= sextract64(r3
, 0, 32);
465 ovf
= (ret
^ r2
) & (mul
^ r2
);
468 env
->PSW_USB_AV
= t1
^ t1
* 2u;
469 env
->PSW_USB_SAV
|= env
->PSW_USB_AV
;
471 if ((int64_t)ovf
< 0) {
472 env
->PSW_USB_V
= (1 << 31);
473 env
->PSW_USB_SV
= (1 << 31);
474 /* ext_ret > MAX_INT */
477 /* ext_ret < MIN_INT */
487 uint64_t helper_msub64_suov(CPUTriCoreState
*env
, target_ulong r1
,
488 uint64_t r2
, target_ulong r3
)
491 uint64_t t1
= extract64(r1
, 0, 32);
492 uint64_t t3
= extract64(r3
, 0, 32);
498 env
->PSW_USB_AV
= t1
^ t1
* 2u;
499 env
->PSW_USB_SAV
|= env
->PSW_USB_AV
;
502 env
->PSW_USB_V
= (1 << 31);
503 env
->PSW_USB_SV
= (1 << 31);
512 uint32_t helper_abs_b(CPUTriCoreState
*env
, target_ulong arg
)
519 for (i
= 0; i
< 4; i
++) {
520 b
= sextract32(arg
, i
* 8, 8);
521 b
= (b
>= 0) ? b
: (0 - b
);
522 ovf
|= (b
> 0x7F) || (b
< -0x80);
524 ret
|= (b
& 0xff) << (i
* 8);
527 env
->PSW_USB_V
= ovf
<< 31;
528 env
->PSW_USB_SV
|= env
->PSW_USB_V
;
529 env
->PSW_USB_AV
= avf
<< 24;
530 env
->PSW_USB_SAV
|= env
->PSW_USB_AV
;
535 uint32_t helper_abs_h(CPUTriCoreState
*env
, target_ulong arg
)
542 for (i
= 0; i
< 2; i
++) {
543 h
= sextract32(arg
, i
* 16, 16);
544 h
= (h
>= 0) ? h
: (0 - h
);
545 ovf
|= (h
> 0x7FFF) || (h
< -0x8000);
547 ret
|= (h
& 0xffff) << (i
* 16);
550 env
->PSW_USB_V
= ovf
<< 31;
551 env
->PSW_USB_SV
|= env
->PSW_USB_V
;
552 env
->PSW_USB_AV
= avf
<< 16;
553 env
->PSW_USB_SAV
|= env
->PSW_USB_AV
;
558 uint32_t helper_absdif_b(CPUTriCoreState
*env
, target_ulong r1
, target_ulong r2
)
566 for (i
= 0; i
< 4; i
++) {
567 extr_r2
= sextract32(r2
, i
* 8, 8);
568 b
= sextract32(r1
, i
* 8, 8);
569 b
= (b
> extr_r2
) ? (b
- extr_r2
) : (extr_r2
- b
);
570 ovf
|= (b
> 0x7F) || (b
< -0x80);
572 ret
|= (b
& 0xff) << (i
* 8);
575 env
->PSW_USB_V
= ovf
<< 31;
576 env
->PSW_USB_SV
|= env
->PSW_USB_V
;
577 env
->PSW_USB_AV
= avf
<< 24;
578 env
->PSW_USB_SAV
|= env
->PSW_USB_AV
;
582 uint32_t helper_absdif_h(CPUTriCoreState
*env
, target_ulong r1
, target_ulong r2
)
590 for (i
= 0; i
< 2; i
++) {
591 extr_r2
= sextract32(r2
, i
* 16, 16);
592 h
= sextract32(r1
, i
* 16, 16);
593 h
= (h
> extr_r2
) ? (h
- extr_r2
) : (extr_r2
- h
);
594 ovf
|= (h
> 0x7FFF) || (h
< -0x8000);
596 ret
|= (h
& 0xffff) << (i
* 16);
599 env
->PSW_USB_V
= ovf
<< 31;
600 env
->PSW_USB_SV
|= env
->PSW_USB_V
;
601 env
->PSW_USB_AV
= avf
<< 16;
602 env
->PSW_USB_SAV
|= env
->PSW_USB_AV
;
607 uint32_t helper_add_b(CPUTriCoreState
*env
, target_ulong r1
, target_ulong r2
)
610 int32_t extr_r1
, extr_r2
;
615 for (i
= 0; i
< 4; i
++) {
616 extr_r1
= sextract32(r1
, i
* 8, 8);
617 extr_r2
= sextract32(r2
, i
* 8, 8);
619 b
= extr_r1
+ extr_r2
;
620 ovf
|= ((b
> 0x7f) || (b
< -0x80));
622 ret
|= ((b
& 0xff) << (i
*8));
625 env
->PSW_USB_V
= (ovf
<< 31);
626 env
->PSW_USB_SV
|= env
->PSW_USB_V
;
627 env
->PSW_USB_AV
= avf
<< 24;
628 env
->PSW_USB_SAV
|= env
->PSW_USB_AV
;
633 uint32_t helper_add_h(CPUTriCoreState
*env
, target_ulong r1
, target_ulong r2
)
636 int32_t extr_r1
, extr_r2
;
641 for (i
= 0; i
< 2; i
++) {
642 extr_r1
= sextract32(r1
, i
* 16, 16);
643 extr_r2
= sextract32(r2
, i
* 16, 16);
644 h
= extr_r1
+ extr_r2
;
645 ovf
|= ((h
> 0x7fff) || (h
< -0x8000));
647 ret
|= (h
& 0xffff) << (i
* 16);
650 env
->PSW_USB_V
= (ovf
<< 31);
651 env
->PSW_USB_SV
|= env
->PSW_USB_V
;
652 env
->PSW_USB_AV
= (avf
<< 16);
653 env
->PSW_USB_SAV
|= env
->PSW_USB_AV
;
658 uint32_t helper_sub_b(CPUTriCoreState
*env
, target_ulong r1
, target_ulong r2
)
661 int32_t extr_r1
, extr_r2
;
666 for (i
= 0; i
< 4; i
++) {
667 extr_r1
= sextract32(r1
, i
* 8, 8);
668 extr_r2
= sextract32(r2
, i
* 8, 8);
670 b
= extr_r1
- extr_r2
;
671 ovf
|= ((b
> 0x7f) || (b
< -0x80));
673 ret
|= ((b
& 0xff) << (i
*8));
676 env
->PSW_USB_V
= (ovf
<< 31);
677 env
->PSW_USB_SV
|= env
->PSW_USB_V
;
678 env
->PSW_USB_AV
= avf
<< 24;
679 env
->PSW_USB_SAV
|= env
->PSW_USB_AV
;
684 uint32_t helper_sub_h(CPUTriCoreState
*env
, target_ulong r1
, target_ulong r2
)
687 int32_t extr_r1
, extr_r2
;
692 for (i
= 0; i
< 2; i
++) {
693 extr_r1
= sextract32(r1
, i
* 16, 16);
694 extr_r2
= sextract32(r2
, i
* 16, 16);
695 h
= extr_r1
- extr_r2
;
696 ovf
|= ((h
> 0x7fff) || (h
< -0x8000));
698 ret
|= (h
& 0xffff) << (i
* 16);
701 env
->PSW_USB_V
= (ovf
<< 31);
702 env
->PSW_USB_SV
|= env
->PSW_USB_V
;
703 env
->PSW_USB_AV
= avf
<< 16;
704 env
->PSW_USB_SAV
|= env
->PSW_USB_AV
;
709 uint32_t helper_eq_b(target_ulong r1
, target_ulong r2
)
716 for (i
= 0; i
< 4; i
++) {
717 if ((r1
& msk
) == (r2
& msk
)) {
726 uint32_t helper_eq_h(target_ulong r1
, target_ulong r2
)
730 if ((r1
& 0xffff) == (r2
& 0xffff)) {
734 if ((r1
& 0xffff0000) == (r2
& 0xffff0000)) {
741 uint32_t helper_eqany_b(target_ulong r1
, target_ulong r2
)
746 for (i
= 0; i
< 4; i
++) {
747 ret
|= (sextract32(r1
, i
* 8, 8) == sextract32(r2
, i
* 8, 8));
753 uint32_t helper_eqany_h(target_ulong r1
, target_ulong r2
)
757 ret
= (sextract32(r1
, 0, 16) == sextract32(r2
, 0, 16));
758 ret
|= (sextract32(r1
, 16, 16) == sextract32(r2
, 16, 16));
763 uint32_t helper_lt_b(target_ulong r1
, target_ulong r2
)
768 for (i
= 0; i
< 4; i
++) {
769 if (sextract32(r1
, i
* 8, 8) < sextract32(r2
, i
* 8, 8)) {
770 ret
|= (0xff << (i
* 8));
777 uint32_t helper_lt_bu(target_ulong r1
, target_ulong r2
)
782 for (i
= 0; i
< 4; i
++) {
783 if (extract32(r1
, i
* 8, 8) < extract32(r2
, i
* 8, 8)) {
784 ret
|= (0xff << (i
* 8));
791 uint32_t helper_lt_h(target_ulong r1
, target_ulong r2
)
795 if (sextract32(r1
, 0, 16) < sextract32(r2
, 0, 16)) {
799 if (sextract32(r1
, 16, 16) < sextract32(r2
, 16, 16)) {
806 uint32_t helper_lt_hu(target_ulong r1
, target_ulong r2
)
810 if (extract32(r1
, 0, 16) < extract32(r2
, 0, 16)) {
814 if (extract32(r1
, 16, 16) < extract32(r2
, 16, 16)) {
821 #define EXTREMA_H_B(name, op) \
822 uint32_t helper_##name ##_b(target_ulong r1, target_ulong r2) \
824 int32_t i, extr_r1, extr_r2; \
827 for (i = 0; i < 4; i++) { \
828 extr_r1 = sextract32(r1, i * 8, 8); \
829 extr_r2 = sextract32(r2, i * 8, 8); \
830 extr_r1 = (extr_r1 op extr_r2) ? extr_r1 : extr_r2; \
831 ret |= (extr_r1 & 0xff) << (i * 8); \
836 uint32_t helper_##name ##_bu(target_ulong r1, target_ulong r2)\
839 uint32_t extr_r1, extr_r2; \
842 for (i = 0; i < 4; i++) { \
843 extr_r1 = extract32(r1, i * 8, 8); \
844 extr_r2 = extract32(r2, i * 8, 8); \
845 extr_r1 = (extr_r1 op extr_r2) ? extr_r1 : extr_r2; \
846 ret |= (extr_r1 & 0xff) << (i * 8); \
851 uint32_t helper_##name ##_h(target_ulong r1, target_ulong r2) \
853 int32_t extr_r1, extr_r2; \
856 extr_r1 = sextract32(r1, 0, 16); \
857 extr_r2 = sextract32(r2, 0, 16); \
858 ret = (extr_r1 op extr_r2) ? extr_r1 : extr_r2; \
859 ret = ret & 0xffff; \
861 extr_r1 = sextract32(r1, 16, 16); \
862 extr_r2 = sextract32(r2, 16, 16); \
863 extr_r1 = (extr_r1 op extr_r2) ? extr_r1 : extr_r2; \
864 ret |= extr_r1 << 16; \
869 uint32_t helper_##name ##_hu(target_ulong r1, target_ulong r2)\
871 uint32_t extr_r1, extr_r2; \
874 extr_r1 = extract32(r1, 0, 16); \
875 extr_r2 = extract32(r2, 0, 16); \
876 ret = (extr_r1 op extr_r2) ? extr_r1 : extr_r2; \
877 ret = ret & 0xffff; \
879 extr_r1 = extract32(r1, 16, 16); \
880 extr_r2 = extract32(r2, 16, 16); \
881 extr_r1 = (extr_r1 op extr_r2) ? extr_r1 : extr_r2; \
882 ret |= extr_r1 << (16); \
892 uint32_t helper_clo(target_ulong r1
)
897 uint32_t helper_clo_h(target_ulong r1
)
899 uint32_t ret_hw0
= extract32(r1
, 0, 16);
900 uint32_t ret_hw1
= extract32(r1
, 16, 16);
902 ret_hw0
= clo32(ret_hw0
<< 16);
903 ret_hw1
= clo32(ret_hw1
<< 16);
912 return ret_hw0
| (ret_hw1
<< 16);
915 uint32_t helper_clz(target_ulong r1
)
920 uint32_t helper_clz_h(target_ulong r1
)
922 uint32_t ret_hw0
= extract32(r1
, 0, 16);
923 uint32_t ret_hw1
= extract32(r1
, 16, 16);
925 ret_hw0
= clz32(ret_hw0
<< 16);
926 ret_hw1
= clz32(ret_hw1
<< 16);
935 return ret_hw0
| (ret_hw1
<< 16);
938 uint32_t helper_cls(target_ulong r1
)
943 uint32_t helper_cls_h(target_ulong r1
)
945 uint32_t ret_hw0
= extract32(r1
, 0, 16);
946 uint32_t ret_hw1
= extract32(r1
, 16, 16);
948 ret_hw0
= clrsb32(ret_hw0
<< 16);
949 ret_hw1
= clrsb32(ret_hw1
<< 16);
958 return ret_hw0
| (ret_hw1
<< 16);
961 uint32_t helper_sh(target_ulong r1
, target_ulong r2
)
963 int32_t shift_count
= sextract32(r2
, 0, 6);
965 if (shift_count
== -32) {
967 } else if (shift_count
< 0) {
968 return r1
>> -shift_count
;
970 return r1
<< shift_count
;
974 uint32_t helper_sh_h(target_ulong r1
, target_ulong r2
)
976 int32_t ret_hw0
, ret_hw1
;
979 shift_count
= sextract32(r2
, 0, 5);
981 if (shift_count
== -16) {
983 } else if (shift_count
< 0) {
984 ret_hw0
= extract32(r1
, 0, 16) >> -shift_count
;
985 ret_hw1
= extract32(r1
, 16, 16) >> -shift_count
;
986 return (ret_hw0
& 0xffff) | (ret_hw1
<< 16);
988 ret_hw0
= extract32(r1
, 0, 16) << shift_count
;
989 ret_hw1
= extract32(r1
, 16, 16) << shift_count
;
990 return (ret_hw0
& 0xffff) | (ret_hw1
<< 16);
994 uint32_t helper_sha(CPUTriCoreState
*env
, target_ulong r1
, target_ulong r2
)
1000 shift_count
= sextract32(r2
, 0, 6);
1001 t1
= sextract32(r1
, 0, 32);
1003 if (shift_count
== 0) {
1004 env
->PSW_USB_C
= env
->PSW_USB_V
= 0;
1006 } else if (shift_count
== -32) {
1007 env
->PSW_USB_C
= r1
;
1010 } else if (shift_count
> 0) {
1011 result
= t1
<< shift_count
;
1013 env
->PSW_USB_C
= ((result
& 0xffffffff00000000ULL
) != 0);
1015 env
->PSW_USB_V
= (((result
> 0x7fffffffLL
) ||
1016 (result
< -0x80000000LL
)) << 31);
1018 env
->PSW_USB_SV
|= env
->PSW_USB_V
;
1019 ret
= (uint32_t)result
;
1022 env
->PSW_USB_C
= (r1
& ((1 << -shift_count
) - 1));
1023 ret
= t1
>> -shift_count
;
1026 env
->PSW_USB_AV
= ret
^ ret
* 2u;
1027 env
->PSW_USB_SAV
|= env
->PSW_USB_AV
;
1032 uint32_t helper_sha_h(target_ulong r1
, target_ulong r2
)
1034 int32_t shift_count
;
1035 int32_t ret_hw0
, ret_hw1
;
1037 shift_count
= sextract32(r2
, 0, 5);
1039 if (shift_count
== 0) {
1041 } else if (shift_count
< 0) {
1042 ret_hw0
= sextract32(r1
, 0, 16) >> -shift_count
;
1043 ret_hw1
= sextract32(r1
, 16, 16) >> -shift_count
;
1044 return (ret_hw0
& 0xffff) | (ret_hw1
<< 16);
1046 ret_hw0
= sextract32(r1
, 0, 16) << shift_count
;
1047 ret_hw1
= sextract32(r1
, 16, 16) << shift_count
;
1048 return (ret_hw0
& 0xffff) | (ret_hw1
<< 16);
1052 uint32_t helper_bmerge(target_ulong r1
, target_ulong r2
)
1057 for (i
= 0; i
< 16; i
++) {
1058 ret
|= (r1
& 1) << (2 * i
+ 1);
1059 ret
|= (r2
& 1) << (2 * i
);
1066 uint64_t helper_bsplit(uint32_t r1
)
1072 for (i
= 0; i
< 32; i
= i
+ 2) {
1074 ret
|= (r1
& 1) << (i
/2);
1077 ret
|= (uint64_t)(r1
& 1) << (i
/2 + 32);
1083 uint32_t helper_parity(target_ulong r1
)
1090 for (i
= 0; i
< 8; i
++) {
1096 for (i
= 0; i
< 8; i
++) {
1103 for (i
= 0; i
< 8; i
++) {
1110 for (i
= 0; i
< 8; i
++) {
1119 uint64_t helper_unpack(target_ulong arg1
)
1121 int32_t fp_exp
= extract32(arg1
, 23, 8);
1122 int32_t fp_frac
= extract32(arg1
, 0, 23);
1124 int32_t int_exp
, int_mant
;
1126 if (fp_exp
== 255) {
1128 int_mant
= (fp_frac
<< 7);
1129 } else if ((fp_exp
== 0) && (fp_frac
== 0)) {
1132 } else if ((fp_exp
== 0) && (fp_frac
!= 0)) {
1134 int_mant
= (fp_frac
<< 7);
1136 int_exp
= fp_exp
- 127;
1137 int_mant
= (fp_frac
<< 7);
1138 int_mant
|= (1 << 30);
1147 uint64_t helper_dvinit_b_13(CPUTriCoreState
*env
, uint32_t r1
, uint32_t r2
)
1150 int32_t abs_sig_dividend
, abs_base_dividend
, abs_divisor
;
1151 int32_t quotient_sign
;
1153 ret
= sextract32(r1
, 0, 32);
1156 if (!((r1
& 0x80000000) == (r2
& 0x80000000))) {
1161 abs_sig_dividend
= abs(r1
) >> 7;
1162 abs_base_dividend
= abs(r1
) & 0x7f;
1163 abs_divisor
= abs(r1
);
1166 if ((quotient_sign
) && (abs_divisor
)) {
1167 env
->PSW_USB_V
= (((abs_sig_dividend
== abs_divisor
) &&
1168 (abs_base_dividend
>= abs_divisor
)) ||
1169 (abs_sig_dividend
> abs_divisor
));
1171 env
->PSW_USB_V
= (abs_sig_dividend
>= abs_divisor
);
1173 env
->PSW_USB_V
= env
->PSW_USB_V
<< 31;
1174 env
->PSW_USB_SV
|= env
->PSW_USB_V
;
1175 env
->PSW_USB_AV
= 0;
1180 uint64_t helper_dvinit_b_131(CPUTriCoreState
*env
, uint32_t r1
, uint32_t r2
)
1182 uint64_t ret
= sextract32(r1
, 0, 32);
1185 if (!((r1
& 0x80000000) == (r2
& 0x80000000))) {
1189 env
->PSW_USB_V
= ((r2
== 0) || ((r2
== 0xffffffff) && (r1
== 0xffffff80)));
1190 env
->PSW_USB_V
= env
->PSW_USB_V
<< 31;
1191 env
->PSW_USB_SV
|= env
->PSW_USB_V
;
1192 env
->PSW_USB_AV
= 0;
1197 uint64_t helper_dvinit_h_13(CPUTriCoreState
*env
, uint32_t r1
, uint32_t r2
)
1200 int32_t abs_sig_dividend
, abs_base_dividend
, abs_divisor
;
1201 int32_t quotient_sign
;
1203 ret
= sextract32(r1
, 0, 32);
1206 if (!((r1
& 0x80000000) == (r2
& 0x80000000))) {
1211 abs_sig_dividend
= abs(r1
) >> 7;
1212 abs_base_dividend
= abs(r1
) & 0x7f;
1213 abs_divisor
= abs(r1
);
1216 if ((quotient_sign
) && (abs_divisor
)) {
1217 env
->PSW_USB_V
= (((abs_sig_dividend
== abs_divisor
) &&
1218 (abs_base_dividend
>= abs_divisor
)) ||
1219 (abs_sig_dividend
> abs_divisor
));
1221 env
->PSW_USB_V
= (abs_sig_dividend
>= abs_divisor
);
1223 env
->PSW_USB_V
= env
->PSW_USB_V
<< 31;
1224 env
->PSW_USB_SV
|= env
->PSW_USB_V
;
1225 env
->PSW_USB_AV
= 0;
1230 uint64_t helper_dvinit_h_131(CPUTriCoreState
*env
, uint32_t r1
, uint32_t r2
)
1232 uint64_t ret
= sextract32(r1
, 0, 32);
1235 if (!((r1
& 0x80000000) == (r2
& 0x80000000))) {
1239 env
->PSW_USB_V
= ((r2
== 0) || ((r2
== 0xffffffff) && (r1
== 0xffff8000)));
1240 env
->PSW_USB_V
= env
->PSW_USB_V
<< 31;
1241 env
->PSW_USB_SV
|= env
->PSW_USB_V
;
1242 env
->PSW_USB_AV
= 0;
1247 uint64_t helper_mul_h(uint32_t arg00
, uint32_t arg01
,
1248 uint32_t arg10
, uint32_t arg11
, uint32_t n
)
1251 uint32_t result0
, result1
;
1253 int32_t sc1
= ((arg00
& 0xffff) == 0x8000) &&
1254 ((arg10
& 0xffff) == 0x8000) && (n
== 1);
1255 int32_t sc0
= ((arg01
& 0xffff) == 0x8000) &&
1256 ((arg11
& 0xffff) == 0x8000) && (n
== 1);
1258 result1
= 0x7fffffff;
1260 result1
= (((uint32_t)(arg00
* arg10
)) << n
);
1263 result0
= 0x7fffffff;
1265 result0
= (((uint32_t)(arg01
* arg11
)) << n
);
1267 ret
= (((uint64_t)result1
<< 32)) | result0
;
1271 uint64_t helper_mulm_h(uint32_t arg00
, uint32_t arg01
,
1272 uint32_t arg10
, uint32_t arg11
, uint32_t n
)
1275 int64_t result0
, result1
;
1277 int32_t sc1
= ((arg00
& 0xffff) == 0x8000) &&
1278 ((arg10
& 0xffff) == 0x8000) && (n
== 1);
1279 int32_t sc0
= ((arg01
& 0xffff) == 0x8000) &&
1280 ((arg11
& 0xffff) == 0x8000) && (n
== 1);
1283 result1
= 0x7fffffff;
1285 result1
= (((int32_t)arg00
* (int32_t)arg10
) << n
);
1288 result0
= 0x7fffffff;
1290 result0
= (((int32_t)arg01
* (int32_t)arg11
) << n
);
1292 ret
= (result1
+ result0
);
1296 uint32_t helper_mulr_h(uint32_t arg00
, uint32_t arg01
,
1297 uint32_t arg10
, uint32_t arg11
, uint32_t n
)
1299 uint32_t result0
, result1
;
1301 int32_t sc1
= ((arg00
& 0xffff) == 0x8000) &&
1302 ((arg10
& 0xffff) == 0x8000) && (n
== 1);
1303 int32_t sc0
= ((arg01
& 0xffff) == 0x8000) &&
1304 ((arg11
& 0xffff) == 0x8000) && (n
== 1);
1307 result1
= 0x7fffffff;
1309 result1
= ((arg00
* arg10
) << n
) + 0x8000;
1312 result0
= 0x7fffffff;
1314 result0
= ((arg01
* arg11
) << n
) + 0x8000;
1316 return (result1
& 0xffff0000) | (result0
>> 16);
1319 /* context save area (CSA) related helpers */
1321 static int cdc_increment(target_ulong
*psw
)
1323 if ((*psw
& MASK_PSW_CDC
) == 0x7f) {
1328 /* check for overflow */
1329 int lo
= clo32((*psw
& MASK_PSW_CDC
) << (32 - 7));
1330 int mask
= (1u << (7 - lo
)) - 1;
1331 int count
= *psw
& mask
;
1339 static int cdc_decrement(target_ulong
*psw
)
1341 if ((*psw
& MASK_PSW_CDC
) == 0x7f) {
1344 /* check for underflow */
1345 int lo
= clo32((*psw
& MASK_PSW_CDC
) << (32 - 7));
1346 int mask
= (1u << (7 - lo
)) - 1;
1347 int count
= *psw
& mask
;
1355 static bool cdc_zero(target_ulong
*psw
)
1357 int cdc
= *psw
& MASK_PSW_CDC
;
1358 /* Returns TRUE if PSW.CDC.COUNT == 0 or if PSW.CDC ==
1359 7'b1111111, otherwise returns FALSE. */
1363 /* find CDC.COUNT */
1364 int lo
= clo32((*psw
& MASK_PSW_CDC
) << (32 - 7));
1365 int mask
= (1u << (7 - lo
)) - 1;
1366 int count
= *psw
& mask
;
1370 static void save_context_upper(CPUTriCoreState
*env
, int ea
)
1372 cpu_stl_data(env
, ea
, env
->PCXI
);
1373 cpu_stl_data(env
, ea
+4, env
->PSW
);
1374 cpu_stl_data(env
, ea
+8, env
->gpr_a
[10]);
1375 cpu_stl_data(env
, ea
+12, env
->gpr_a
[11]);
1376 cpu_stl_data(env
, ea
+16, env
->gpr_d
[8]);
1377 cpu_stl_data(env
, ea
+20, env
->gpr_d
[9]);
1378 cpu_stl_data(env
, ea
+24, env
->gpr_d
[10]);
1379 cpu_stl_data(env
, ea
+28, env
->gpr_d
[11]);
1380 cpu_stl_data(env
, ea
+32, env
->gpr_a
[12]);
1381 cpu_stl_data(env
, ea
+36, env
->gpr_a
[13]);
1382 cpu_stl_data(env
, ea
+40, env
->gpr_a
[14]);
1383 cpu_stl_data(env
, ea
+44, env
->gpr_a
[15]);
1384 cpu_stl_data(env
, ea
+48, env
->gpr_d
[12]);
1385 cpu_stl_data(env
, ea
+52, env
->gpr_d
[13]);
1386 cpu_stl_data(env
, ea
+56, env
->gpr_d
[14]);
1387 cpu_stl_data(env
, ea
+60, env
->gpr_d
[15]);
1390 static void save_context_lower(CPUTriCoreState
*env
, int ea
)
1392 cpu_stl_data(env
, ea
, env
->PCXI
);
1393 cpu_stl_data(env
, ea
+4, env
->gpr_a
[11]);
1394 cpu_stl_data(env
, ea
+8, env
->gpr_a
[2]);
1395 cpu_stl_data(env
, ea
+12, env
->gpr_a
[3]);
1396 cpu_stl_data(env
, ea
+16, env
->gpr_d
[0]);
1397 cpu_stl_data(env
, ea
+20, env
->gpr_d
[1]);
1398 cpu_stl_data(env
, ea
+24, env
->gpr_d
[2]);
1399 cpu_stl_data(env
, ea
+28, env
->gpr_d
[3]);
1400 cpu_stl_data(env
, ea
+32, env
->gpr_a
[4]);
1401 cpu_stl_data(env
, ea
+36, env
->gpr_a
[5]);
1402 cpu_stl_data(env
, ea
+40, env
->gpr_a
[6]);
1403 cpu_stl_data(env
, ea
+44, env
->gpr_a
[7]);
1404 cpu_stl_data(env
, ea
+48, env
->gpr_d
[4]);
1405 cpu_stl_data(env
, ea
+52, env
->gpr_d
[5]);
1406 cpu_stl_data(env
, ea
+56, env
->gpr_d
[6]);
1407 cpu_stl_data(env
, ea
+60, env
->gpr_d
[7]);
1410 static void restore_context_upper(CPUTriCoreState
*env
, int ea
,
1411 target_ulong
*new_PCXI
, target_ulong
*new_PSW
)
1413 *new_PCXI
= cpu_ldl_data(env
, ea
);
1414 *new_PSW
= cpu_ldl_data(env
, ea
+4);
1415 env
->gpr_a
[10] = cpu_ldl_data(env
, ea
+8);
1416 env
->gpr_a
[11] = cpu_ldl_data(env
, ea
+12);
1417 env
->gpr_d
[8] = cpu_ldl_data(env
, ea
+16);
1418 env
->gpr_d
[9] = cpu_ldl_data(env
, ea
+20);
1419 env
->gpr_d
[10] = cpu_ldl_data(env
, ea
+24);
1420 env
->gpr_d
[11] = cpu_ldl_data(env
, ea
+28);
1421 env
->gpr_a
[12] = cpu_ldl_data(env
, ea
+32);
1422 env
->gpr_a
[13] = cpu_ldl_data(env
, ea
+36);
1423 env
->gpr_a
[14] = cpu_ldl_data(env
, ea
+40);
1424 env
->gpr_a
[15] = cpu_ldl_data(env
, ea
+44);
1425 env
->gpr_d
[12] = cpu_ldl_data(env
, ea
+48);
1426 env
->gpr_d
[13] = cpu_ldl_data(env
, ea
+52);
1427 env
->gpr_d
[14] = cpu_ldl_data(env
, ea
+56);
1428 env
->gpr_d
[15] = cpu_ldl_data(env
, ea
+60);
1431 static void restore_context_lower(CPUTriCoreState
*env
, int ea
,
1432 target_ulong
*ra
, target_ulong
*pcxi
)
1434 *pcxi
= cpu_ldl_data(env
, ea
);
1435 *ra
= cpu_ldl_data(env
, ea
+4);
1436 env
->gpr_a
[2] = cpu_ldl_data(env
, ea
+8);
1437 env
->gpr_a
[3] = cpu_ldl_data(env
, ea
+12);
1438 env
->gpr_d
[0] = cpu_ldl_data(env
, ea
+16);
1439 env
->gpr_d
[1] = cpu_ldl_data(env
, ea
+20);
1440 env
->gpr_d
[2] = cpu_ldl_data(env
, ea
+24);
1441 env
->gpr_d
[3] = cpu_ldl_data(env
, ea
+28);
1442 env
->gpr_a
[4] = cpu_ldl_data(env
, ea
+32);
1443 env
->gpr_a
[5] = cpu_ldl_data(env
, ea
+36);
1444 env
->gpr_a
[6] = cpu_ldl_data(env
, ea
+40);
1445 env
->gpr_a
[7] = cpu_ldl_data(env
, ea
+44);
1446 env
->gpr_d
[4] = cpu_ldl_data(env
, ea
+48);
1447 env
->gpr_d
[5] = cpu_ldl_data(env
, ea
+52);
1448 env
->gpr_d
[6] = cpu_ldl_data(env
, ea
+56);
1449 env
->gpr_d
[7] = cpu_ldl_data(env
, ea
+60);
1452 void helper_call(CPUTriCoreState
*env
, uint32_t next_pc
)
1454 target_ulong tmp_FCX
;
1456 target_ulong new_FCX
;
1459 psw
= psw_read(env
);
1460 /* if (FCX == 0) trap(FCU); */
1461 if (env
->FCX
== 0) {
1464 /* if (PSW.CDE) then if (cdc_increment()) then trap(CDO); */
1465 if (psw
& MASK_PSW_CDE
) {
1466 if (cdc_increment(&psw
)) {
1471 psw
|= MASK_PSW_CDE
;
1472 /* tmp_FCX = FCX; */
1474 /* EA = {FCX.FCXS, 6'b0, FCX.FCXO, 6'b0}; */
1475 ea
= ((env
->FCX
& MASK_FCX_FCXS
) << 12) +
1476 ((env
->FCX
& MASK_FCX_FCXO
) << 6);
1477 /* new_FCX = M(EA, word); */
1478 new_FCX
= cpu_ldl_data(env
, ea
);
1479 /* M(EA, 16 * word) = {PCXI, PSW, A[10], A[11], D[8], D[9], D[10], D[11],
1480 A[12], A[13], A[14], A[15], D[12], D[13], D[14],
1482 save_context_upper(env
, ea
);
1484 /* PCXI.PCPN = ICR.CCPN; */
1485 env
->PCXI
= (env
->PCXI
& 0xffffff) +
1486 ((env
->ICR
& MASK_ICR_CCPN
) << 24);
1487 /* PCXI.PIE = ICR.IE; */
1488 env
->PCXI
= ((env
->PCXI
& ~MASK_PCXI_PIE
) +
1489 ((env
->ICR
& MASK_ICR_IE
) << 15));
1491 env
->PCXI
|= MASK_PCXI_UL
;
1493 /* PCXI[19: 0] = FCX[19: 0]; */
1494 env
->PCXI
= (env
->PCXI
& 0xfff00000) + (env
->FCX
& 0xfffff);
1495 /* FCX[19: 0] = new_FCX[19: 0]; */
1496 env
->FCX
= (env
->FCX
& 0xfff00000) + (new_FCX
& 0xfffff);
1497 /* A[11] = next_pc[31: 0]; */
1498 env
->gpr_a
[11] = next_pc
;
1500 /* if (tmp_FCX == LCX) trap(FCD);*/
1501 if (tmp_FCX
== env
->LCX
) {
1504 psw_write(env
, psw
);
1507 void helper_ret(CPUTriCoreState
*env
)
1510 target_ulong new_PCXI
;
1511 target_ulong new_PSW
, psw
;
1513 psw
= psw_read(env
);
1514 /* if (PSW.CDE) then if (cdc_decrement()) then trap(CDU);*/
1515 if (env
->PSW
& MASK_PSW_CDE
) {
1516 if (cdc_decrement(&(env
->PSW
))) {
1520 /* if (PCXI[19: 0] == 0) then trap(CSU); */
1521 if ((env
->PCXI
& 0xfffff) == 0) {
1524 /* if (PCXI.UL == 0) then trap(CTYP); */
1525 if ((env
->PCXI
& MASK_PCXI_UL
) == 0) {
1528 /* PC = {A11 [31: 1], 1’b0}; */
1529 env
->PC
= env
->gpr_a
[11] & 0xfffffffe;
1531 /* EA = {PCXI.PCXS, 6'b0, PCXI.PCXO, 6'b0}; */
1532 ea
= ((env
->PCXI
& MASK_PCXI_PCXS
) << 12) +
1533 ((env
->PCXI
& MASK_PCXI_PCXO
) << 6);
1534 /* {new_PCXI, new_PSW, A[10], A[11], D[8], D[9], D[10], D[11], A[12],
1535 A[13], A[14], A[15], D[12], D[13], D[14], D[15]} = M(EA, 16 * word); */
1536 restore_context_upper(env
, ea
, &new_PCXI
, &new_PSW
);
1537 /* M(EA, word) = FCX; */
1538 cpu_stl_data(env
, ea
, env
->FCX
);
1539 /* FCX[19: 0] = PCXI[19: 0]; */
1540 env
->FCX
= (env
->FCX
& 0xfff00000) + (env
->PCXI
& 0x000fffff);
1541 /* PCXI = new_PCXI; */
1542 env
->PCXI
= new_PCXI
;
1544 if (tricore_feature(env
, TRICORE_FEATURE_13
)) {
1546 psw_write(env
, new_PSW
);
1548 /* PSW = {new_PSW[31:26], PSW[25:24], new_PSW[23:0]}; */
1549 psw_write(env
, (new_PSW
& ~(0x3000000)) + (psw
& (0x3000000)));
1553 void helper_bisr(CPUTriCoreState
*env
, uint32_t const9
)
1555 target_ulong tmp_FCX
;
1557 target_ulong new_FCX
;
1559 if (env
->FCX
== 0) {
1564 ea
= ((env
->FCX
& 0xf0000) << 12) + ((env
->FCX
& 0xffff) << 6);
1566 /* new_FCX = M(EA, word); */
1567 new_FCX
= cpu_ldl_data(env
, ea
);
1568 /* M(EA, 16 * word) = {PCXI, A[11], A[2], A[3], D[0], D[1], D[2], D[3], A[4]
1569 , A[5], A[6], A[7], D[4], D[5], D[6], D[7]}; */
1570 save_context_lower(env
, ea
);
1573 /* PCXI.PCPN = ICR.CCPN */
1574 env
->PCXI
= (env
->PCXI
& 0xffffff) +
1575 ((env
->ICR
& MASK_ICR_CCPN
) << 24);
1576 /* PCXI.PIE = ICR.IE */
1577 env
->PCXI
= ((env
->PCXI
& ~MASK_PCXI_PIE
) +
1578 ((env
->ICR
& MASK_ICR_IE
) << 15));
1580 env
->PCXI
&= ~(MASK_PCXI_UL
);
1581 /* PCXI[19: 0] = FCX[19: 0] */
1582 env
->PCXI
= (env
->PCXI
& 0xfff00000) + (env
->FCX
& 0xfffff);
1583 /* FXC[19: 0] = new_FCX[19: 0] */
1584 env
->FCX
= (env
->FCX
& 0xfff00000) + (new_FCX
& 0xfffff);
1586 env
->ICR
|= MASK_ICR_IE
;
1588 env
->ICR
|= const9
; /* ICR.CCPN = const9[7: 0];*/
1590 if (tmp_FCX
== env
->LCX
) {
1595 void helper_rfe(CPUTriCoreState
*env
)
1598 target_ulong new_PCXI
;
1599 target_ulong new_PSW
;
1600 /* if (PCXI[19: 0] == 0) then trap(CSU); */
1601 if ((env
->PCXI
& 0xfffff) == 0) {
1602 /* raise csu trap */
1604 /* if (PCXI.UL == 0) then trap(CTYP); */
1605 if ((env
->PCXI
& MASK_PCXI_UL
) == 0) {
1606 /* raise CTYP trap */
1608 /* if (!cdc_zero() AND PSW.CDE) then trap(NEST); */
1609 if (!cdc_zero(&(env
->PSW
)) && (env
->PSW
& MASK_PSW_CDE
)) {
1610 /* raise MNG trap */
1612 /* ICR.IE = PCXI.PIE; */
1613 env
->ICR
= (env
->ICR
& ~MASK_ICR_IE
) + ((env
->PCXI
& MASK_PCXI_PIE
) >> 15);
1614 /* ICR.CCPN = PCXI.PCPN; */
1615 env
->ICR
= (env
->ICR
& ~MASK_ICR_CCPN
) +
1616 ((env
->PCXI
& MASK_PCXI_PCPN
) >> 24);
1617 /*EA = {PCXI.PCXS, 6'b0, PCXI.PCXO, 6'b0};*/
1618 ea
= ((env
->PCXI
& MASK_PCXI_PCXS
) << 12) +
1619 ((env
->PCXI
& MASK_PCXI_PCXO
) << 6);
1620 /*{new_PCXI, PSW, A[10], A[11], D[8], D[9], D[10], D[11], A[12],
1621 A[13], A[14], A[15], D[12], D[13], D[14], D[15]} = M(EA, 16 * word); */
1622 restore_context_upper(env
, ea
, &new_PCXI
, &new_PSW
);
1623 /* M(EA, word) = FCX;*/
1624 cpu_stl_data(env
, ea
, env
->FCX
);
1625 /* FCX[19: 0] = PCXI[19: 0]; */
1626 env
->FCX
= (env
->FCX
& 0xfff00000) + (env
->PCXI
& 0x000fffff);
1627 /* PCXI = new_PCXI; */
1628 env
->PCXI
= new_PCXI
;
1630 psw_write(env
, new_PSW
);
1633 void helper_ldlcx(CPUTriCoreState
*env
, uint32_t ea
)
1636 /* insn doesn't load PCXI and RA */
1637 restore_context_lower(env
, ea
, &dummy
, &dummy
);
1640 void helper_lducx(CPUTriCoreState
*env
, uint32_t ea
)
1643 /* insn doesn't load PCXI and PSW */
1644 restore_context_upper(env
, ea
, &dummy
, &dummy
);
1647 void helper_stlcx(CPUTriCoreState
*env
, uint32_t ea
)
1649 save_context_lower(env
, ea
);
1652 void helper_stucx(CPUTriCoreState
*env
, uint32_t ea
)
1654 save_context_upper(env
, ea
);
1657 void helper_psw_write(CPUTriCoreState
*env
, uint32_t arg
)
1659 psw_write(env
, arg
);
1662 uint32_t helper_psw_read(CPUTriCoreState
*env
)
1664 return psw_read(env
);
1668 static inline void QEMU_NORETURN
do_raise_exception_err(CPUTriCoreState
*env
,
1673 CPUState
*cs
= CPU(tricore_env_get_cpu(env
));
1674 cs
->exception_index
= exception
;
1675 env
->error_code
= error_code
;
1678 /* now we have a real cpu fault */
1679 cpu_restore_state(cs
, pc
);
1685 void tlb_fill(CPUState
*cs
, target_ulong addr
, int is_write
, int mmu_idx
,
1689 ret
= cpu_tricore_handle_mmu_fault(cs
, addr
, is_write
, mmu_idx
);
1691 TriCoreCPU
*cpu
= TRICORE_CPU(cs
);
1692 CPUTriCoreState
*env
= &cpu
->env
;
1693 do_raise_exception_err(env
, cs
->exception_index
,
1694 env
->error_code
, retaddr
);