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48e06fe0 BK |
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 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 | */ | |
61d9f32b | 17 | #include "qemu/osdep.h" |
48e06fe0 BK |
18 | #include "cpu.h" |
19 | #include "qemu/host-utils.h" | |
20 | #include "exec/helper-proto.h" | |
63c91552 | 21 | #include "exec/exec-all.h" |
48e06fe0 | 22 | #include "exec/cpu_ldst.h" |
e5c96c82 | 23 | #include <zlib.h> /* for crc32 */ |
48e06fe0 | 24 | |
518d7fd2 BK |
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 = CPU(tricore_env_get_cpu(env)); | |
33 | /* in case we come from a helper-call we need to restore the PC */ | |
65255e8e | 34 | cpu_restore_state(cs, pc); |
518d7fd2 BK |
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) + | |
88 | ((env->ICR & MASK_ICR_IE) << 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 | ||
3292b447 BK |
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 | ||
3a16ecb0 BK |
110 | /* Addressing mode helper */ |
111 | ||
112 | static uint16_t reverse16(uint16_t val) | |
113 | { | |
114 | uint8_t high = (uint8_t)(val >> 8); | |
115 | uint8_t low = (uint8_t)(val & 0xff); | |
116 | ||
117 | uint16_t rh, rl; | |
118 | ||
119 | rl = (uint16_t)((high * 0x0202020202ULL & 0x010884422010ULL) % 1023); | |
120 | rh = (uint16_t)((low * 0x0202020202ULL & 0x010884422010ULL) % 1023); | |
121 | ||
122 | return (rh << 8) | rl; | |
123 | } | |
124 | ||
125 | uint32_t helper_br_update(uint32_t reg) | |
126 | { | |
127 | uint32_t index = reg & 0xffff; | |
128 | uint32_t incr = reg >> 16; | |
129 | uint32_t new_index = reverse16(reverse16(index) + reverse16(incr)); | |
130 | return reg - index + new_index; | |
131 | } | |
132 | ||
133 | uint32_t helper_circ_update(uint32_t reg, uint32_t off) | |
134 | { | |
135 | uint32_t index = reg & 0xffff; | |
136 | uint32_t length = reg >> 16; | |
137 | int32_t new_index = index + off; | |
138 | if (new_index < 0) { | |
139 | new_index += length; | |
140 | } else { | |
141 | new_index %= length; | |
142 | } | |
143 | return reg - index + new_index; | |
144 | } | |
145 | ||
e4e39176 BK |
146 | static uint32_t ssov32(CPUTriCoreState *env, int64_t arg) |
147 | { | |
148 | uint32_t ret; | |
149 | int64_t max_pos = INT32_MAX; | |
150 | int64_t max_neg = INT32_MIN; | |
151 | if (arg > max_pos) { | |
152 | env->PSW_USB_V = (1 << 31); | |
153 | env->PSW_USB_SV = (1 << 31); | |
154 | ret = (target_ulong)max_pos; | |
155 | } else { | |
156 | if (arg < max_neg) { | |
157 | env->PSW_USB_V = (1 << 31); | |
158 | env->PSW_USB_SV = (1 << 31); | |
159 | ret = (target_ulong)max_neg; | |
160 | } else { | |
161 | env->PSW_USB_V = 0; | |
162 | ret = (target_ulong)arg; | |
163 | } | |
164 | } | |
165 | env->PSW_USB_AV = arg ^ arg * 2u; | |
166 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
167 | return ret; | |
168 | } | |
169 | ||
85d604af | 170 | static uint32_t suov32_pos(CPUTriCoreState *env, uint64_t arg) |
e4e39176 BK |
171 | { |
172 | uint32_t ret; | |
85d604af | 173 | uint64_t max_pos = UINT32_MAX; |
e4e39176 BK |
174 | if (arg > max_pos) { |
175 | env->PSW_USB_V = (1 << 31); | |
176 | env->PSW_USB_SV = (1 << 31); | |
177 | ret = (target_ulong)max_pos; | |
178 | } else { | |
85d604af BK |
179 | env->PSW_USB_V = 0; |
180 | ret = (target_ulong)arg; | |
e4e39176 BK |
181 | } |
182 | env->PSW_USB_AV = arg ^ arg * 2u; | |
183 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
184 | return ret; | |
185 | } | |
0974257e | 186 | |
85d604af BK |
187 | static uint32_t suov32_neg(CPUTriCoreState *env, int64_t arg) |
188 | { | |
189 | uint32_t ret; | |
190 | ||
191 | if (arg < 0) { | |
192 | env->PSW_USB_V = (1 << 31); | |
193 | env->PSW_USB_SV = (1 << 31); | |
194 | ret = 0; | |
195 | } else { | |
196 | env->PSW_USB_V = 0; | |
197 | ret = (target_ulong)arg; | |
198 | } | |
199 | env->PSW_USB_AV = arg ^ arg * 2u; | |
200 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
201 | return ret; | |
202 | } | |
203 | ||
d5de7839 BK |
204 | static uint32_t ssov16(CPUTriCoreState *env, int32_t hw0, int32_t hw1) |
205 | { | |
206 | int32_t max_pos = INT16_MAX; | |
207 | int32_t max_neg = INT16_MIN; | |
208 | int32_t av0, av1; | |
209 | ||
210 | env->PSW_USB_V = 0; | |
211 | av0 = hw0 ^ hw0 * 2u; | |
212 | if (hw0 > max_pos) { | |
213 | env->PSW_USB_V = (1 << 31); | |
214 | hw0 = max_pos; | |
215 | } else if (hw0 < max_neg) { | |
216 | env->PSW_USB_V = (1 << 31); | |
217 | hw0 = max_neg; | |
218 | } | |
219 | ||
220 | av1 = hw1 ^ hw1 * 2u; | |
221 | if (hw1 > max_pos) { | |
222 | env->PSW_USB_V = (1 << 31); | |
223 | hw1 = max_pos; | |
224 | } else if (hw1 < max_neg) { | |
225 | env->PSW_USB_V = (1 << 31); | |
226 | hw1 = max_neg; | |
227 | } | |
228 | ||
229 | env->PSW_USB_SV |= env->PSW_USB_V; | |
230 | env->PSW_USB_AV = (av0 | av1) << 16; | |
231 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
232 | return (hw0 & 0xffff) | (hw1 << 16); | |
233 | } | |
234 | ||
235 | static uint32_t suov16(CPUTriCoreState *env, int32_t hw0, int32_t hw1) | |
236 | { | |
237 | int32_t max_pos = UINT16_MAX; | |
238 | int32_t av0, av1; | |
239 | ||
240 | env->PSW_USB_V = 0; | |
241 | av0 = hw0 ^ hw0 * 2u; | |
242 | if (hw0 > max_pos) { | |
243 | env->PSW_USB_V = (1 << 31); | |
244 | hw0 = max_pos; | |
245 | } else if (hw0 < 0) { | |
246 | env->PSW_USB_V = (1 << 31); | |
247 | hw0 = 0; | |
248 | } | |
249 | ||
250 | av1 = hw1 ^ hw1 * 2u; | |
251 | if (hw1 > max_pos) { | |
252 | env->PSW_USB_V = (1 << 31); | |
253 | hw1 = max_pos; | |
254 | } else if (hw1 < 0) { | |
255 | env->PSW_USB_V = (1 << 31); | |
256 | hw1 = 0; | |
257 | } | |
258 | ||
259 | env->PSW_USB_SV |= env->PSW_USB_V; | |
260 | env->PSW_USB_AV = (av0 | av1) << 16; | |
261 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
262 | return (hw0 & 0xffff) | (hw1 << 16); | |
263 | } | |
0974257e | 264 | |
2692802a BK |
265 | target_ulong helper_add_ssov(CPUTriCoreState *env, target_ulong r1, |
266 | target_ulong r2) | |
267 | { | |
2692802a BK |
268 | int64_t t1 = sextract64(r1, 0, 32); |
269 | int64_t t2 = sextract64(r2, 0, 32); | |
270 | int64_t result = t1 + t2; | |
e4e39176 | 271 | return ssov32(env, result); |
2692802a BK |
272 | } |
273 | ||
2e430e1c BK |
274 | uint64_t helper_add64_ssov(CPUTriCoreState *env, uint64_t r1, uint64_t r2) |
275 | { | |
276 | uint64_t result; | |
277 | int64_t ovf; | |
278 | ||
279 | result = r1 + r2; | |
280 | ovf = (result ^ r1) & ~(r1 ^ r2); | |
281 | env->PSW_USB_AV = (result ^ result * 2u) >> 32; | |
282 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
283 | if (ovf < 0) { | |
284 | env->PSW_USB_V = (1 << 31); | |
285 | env->PSW_USB_SV = (1 << 31); | |
286 | /* ext_ret > MAX_INT */ | |
287 | if ((int64_t)r1 >= 0) { | |
288 | result = INT64_MAX; | |
289 | /* ext_ret < MIN_INT */ | |
290 | } else { | |
291 | result = INT64_MIN; | |
292 | } | |
293 | } else { | |
294 | env->PSW_USB_V = 0; | |
295 | } | |
296 | return result; | |
297 | } | |
298 | ||
d5de7839 BK |
299 | target_ulong helper_add_h_ssov(CPUTriCoreState *env, target_ulong r1, |
300 | target_ulong r2) | |
301 | { | |
302 | int32_t ret_hw0, ret_hw1; | |
303 | ||
304 | ret_hw0 = sextract32(r1, 0, 16) + sextract32(r2, 0, 16); | |
305 | ret_hw1 = sextract32(r1, 16, 16) + sextract32(r2, 16, 16); | |
306 | return ssov16(env, ret_hw0, ret_hw1); | |
307 | } | |
308 | ||
2e430e1c BK |
309 | uint32_t helper_addr_h_ssov(CPUTriCoreState *env, uint64_t r1, uint32_t r2_l, |
310 | uint32_t r2_h) | |
311 | { | |
312 | int64_t mul_res0 = sextract64(r1, 0, 32); | |
313 | int64_t mul_res1 = sextract64(r1, 32, 32); | |
314 | int64_t r2_low = sextract64(r2_l, 0, 32); | |
315 | int64_t r2_high = sextract64(r2_h, 0, 32); | |
316 | int64_t result0, result1; | |
317 | uint32_t ovf0, ovf1; | |
318 | uint32_t avf0, avf1; | |
319 | ||
320 | ovf0 = ovf1 = 0; | |
321 | ||
322 | result0 = r2_low + mul_res0 + 0x8000; | |
323 | result1 = r2_high + mul_res1 + 0x8000; | |
324 | ||
325 | avf0 = result0 * 2u; | |
326 | avf0 = result0 ^ avf0; | |
327 | avf1 = result1 * 2u; | |
328 | avf1 = result1 ^ avf1; | |
329 | ||
330 | if (result0 > INT32_MAX) { | |
331 | ovf0 = (1 << 31); | |
332 | result0 = INT32_MAX; | |
333 | } else if (result0 < INT32_MIN) { | |
334 | ovf0 = (1 << 31); | |
335 | result0 = INT32_MIN; | |
336 | } | |
337 | ||
338 | if (result1 > INT32_MAX) { | |
339 | ovf1 = (1 << 31); | |
340 | result1 = INT32_MAX; | |
341 | } else if (result1 < INT32_MIN) { | |
342 | ovf1 = (1 << 31); | |
343 | result1 = INT32_MIN; | |
344 | } | |
345 | ||
346 | env->PSW_USB_V = ovf0 | ovf1; | |
347 | env->PSW_USB_SV |= env->PSW_USB_V; | |
348 | ||
349 | env->PSW_USB_AV = avf0 | avf1; | |
350 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
351 | ||
352 | return (result1 & 0xffff0000ULL) | ((result0 >> 16) & 0xffffULL); | |
353 | } | |
354 | ||
bebe80fc BK |
355 | uint32_t helper_addsur_h_ssov(CPUTriCoreState *env, uint64_t r1, uint32_t r2_l, |
356 | uint32_t r2_h) | |
357 | { | |
358 | int64_t mul_res0 = sextract64(r1, 0, 32); | |
359 | int64_t mul_res1 = sextract64(r1, 32, 32); | |
360 | int64_t r2_low = sextract64(r2_l, 0, 32); | |
361 | int64_t r2_high = sextract64(r2_h, 0, 32); | |
362 | int64_t result0, result1; | |
363 | uint32_t ovf0, ovf1; | |
364 | uint32_t avf0, avf1; | |
365 | ||
366 | ovf0 = ovf1 = 0; | |
367 | ||
368 | result0 = r2_low - mul_res0 + 0x8000; | |
369 | result1 = r2_high + mul_res1 + 0x8000; | |
370 | ||
371 | avf0 = result0 * 2u; | |
372 | avf0 = result0 ^ avf0; | |
373 | avf1 = result1 * 2u; | |
374 | avf1 = result1 ^ avf1; | |
375 | ||
376 | if (result0 > INT32_MAX) { | |
377 | ovf0 = (1 << 31); | |
378 | result0 = INT32_MAX; | |
379 | } else if (result0 < INT32_MIN) { | |
380 | ovf0 = (1 << 31); | |
381 | result0 = INT32_MIN; | |
382 | } | |
383 | ||
384 | if (result1 > INT32_MAX) { | |
385 | ovf1 = (1 << 31); | |
386 | result1 = INT32_MAX; | |
387 | } else if (result1 < INT32_MIN) { | |
388 | ovf1 = (1 << 31); | |
389 | result1 = INT32_MIN; | |
390 | } | |
391 | ||
392 | env->PSW_USB_V = ovf0 | ovf1; | |
393 | env->PSW_USB_SV |= env->PSW_USB_V; | |
394 | ||
395 | env->PSW_USB_AV = avf0 | avf1; | |
396 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
397 | ||
398 | return (result1 & 0xffff0000ULL) | ((result0 >> 16) & 0xffffULL); | |
399 | } | |
400 | ||
2e430e1c | 401 | |
0974257e BK |
402 | target_ulong helper_add_suov(CPUTriCoreState *env, target_ulong r1, |
403 | target_ulong r2) | |
404 | { | |
0974257e BK |
405 | int64_t t1 = extract64(r1, 0, 32); |
406 | int64_t t2 = extract64(r2, 0, 32); | |
407 | int64_t result = t1 + t2; | |
85d604af | 408 | return suov32_pos(env, result); |
0974257e BK |
409 | } |
410 | ||
d5de7839 BK |
411 | target_ulong helper_add_h_suov(CPUTriCoreState *env, target_ulong r1, |
412 | target_ulong r2) | |
413 | { | |
414 | int32_t ret_hw0, ret_hw1; | |
415 | ||
416 | ret_hw0 = extract32(r1, 0, 16) + extract32(r2, 0, 16); | |
417 | ret_hw1 = extract32(r1, 16, 16) + extract32(r2, 16, 16); | |
418 | return suov16(env, ret_hw0, ret_hw1); | |
419 | } | |
420 | ||
2692802a BK |
421 | target_ulong helper_sub_ssov(CPUTriCoreState *env, target_ulong r1, |
422 | target_ulong r2) | |
423 | { | |
2692802a BK |
424 | int64_t t1 = sextract64(r1, 0, 32); |
425 | int64_t t2 = sextract64(r2, 0, 32); | |
426 | int64_t result = t1 - t2; | |
e4e39176 | 427 | return ssov32(env, result); |
2692802a BK |
428 | } |
429 | ||
f4aef476 BK |
430 | uint64_t helper_sub64_ssov(CPUTriCoreState *env, uint64_t r1, uint64_t r2) |
431 | { | |
432 | uint64_t result; | |
433 | int64_t ovf; | |
434 | ||
435 | result = r1 - r2; | |
436 | ovf = (result ^ r1) & (r1 ^ r2); | |
437 | env->PSW_USB_AV = (result ^ result * 2u) >> 32; | |
438 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
439 | if (ovf < 0) { | |
440 | env->PSW_USB_V = (1 << 31); | |
441 | env->PSW_USB_SV = (1 << 31); | |
442 | /* ext_ret > MAX_INT */ | |
443 | if ((int64_t)r1 >= 0) { | |
444 | result = INT64_MAX; | |
445 | /* ext_ret < MIN_INT */ | |
446 | } else { | |
447 | result = INT64_MIN; | |
448 | } | |
449 | } else { | |
450 | env->PSW_USB_V = 0; | |
451 | } | |
452 | return result; | |
453 | } | |
454 | ||
d5de7839 BK |
455 | target_ulong helper_sub_h_ssov(CPUTriCoreState *env, target_ulong r1, |
456 | target_ulong r2) | |
457 | { | |
458 | int32_t ret_hw0, ret_hw1; | |
459 | ||
460 | ret_hw0 = sextract32(r1, 0, 16) - sextract32(r2, 0, 16); | |
461 | ret_hw1 = sextract32(r1, 16, 16) - sextract32(r2, 16, 16); | |
462 | return ssov16(env, ret_hw0, ret_hw1); | |
463 | } | |
464 | ||
f4aef476 BK |
465 | uint32_t helper_subr_h_ssov(CPUTriCoreState *env, uint64_t r1, uint32_t r2_l, |
466 | uint32_t r2_h) | |
467 | { | |
468 | int64_t mul_res0 = sextract64(r1, 0, 32); | |
469 | int64_t mul_res1 = sextract64(r1, 32, 32); | |
470 | int64_t r2_low = sextract64(r2_l, 0, 32); | |
471 | int64_t r2_high = sextract64(r2_h, 0, 32); | |
472 | int64_t result0, result1; | |
473 | uint32_t ovf0, ovf1; | |
474 | uint32_t avf0, avf1; | |
475 | ||
476 | ovf0 = ovf1 = 0; | |
477 | ||
478 | result0 = r2_low - mul_res0 + 0x8000; | |
479 | result1 = r2_high - mul_res1 + 0x8000; | |
480 | ||
481 | avf0 = result0 * 2u; | |
482 | avf0 = result0 ^ avf0; | |
483 | avf1 = result1 * 2u; | |
484 | avf1 = result1 ^ avf1; | |
485 | ||
486 | if (result0 > INT32_MAX) { | |
487 | ovf0 = (1 << 31); | |
488 | result0 = INT32_MAX; | |
489 | } else if (result0 < INT32_MIN) { | |
490 | ovf0 = (1 << 31); | |
491 | result0 = INT32_MIN; | |
492 | } | |
493 | ||
494 | if (result1 > INT32_MAX) { | |
495 | ovf1 = (1 << 31); | |
496 | result1 = INT32_MAX; | |
497 | } else if (result1 < INT32_MIN) { | |
498 | ovf1 = (1 << 31); | |
499 | result1 = INT32_MIN; | |
500 | } | |
501 | ||
502 | env->PSW_USB_V = ovf0 | ovf1; | |
503 | env->PSW_USB_SV |= env->PSW_USB_V; | |
504 | ||
505 | env->PSW_USB_AV = avf0 | avf1; | |
506 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
507 | ||
508 | return (result1 & 0xffff0000ULL) | ((result0 >> 16) & 0xffffULL); | |
509 | } | |
510 | ||
068fac77 BK |
511 | uint32_t helper_subadr_h_ssov(CPUTriCoreState *env, uint64_t r1, uint32_t r2_l, |
512 | uint32_t r2_h) | |
513 | { | |
514 | int64_t mul_res0 = sextract64(r1, 0, 32); | |
515 | int64_t mul_res1 = sextract64(r1, 32, 32); | |
516 | int64_t r2_low = sextract64(r2_l, 0, 32); | |
517 | int64_t r2_high = sextract64(r2_h, 0, 32); | |
518 | int64_t result0, result1; | |
519 | uint32_t ovf0, ovf1; | |
520 | uint32_t avf0, avf1; | |
521 | ||
522 | ovf0 = ovf1 = 0; | |
523 | ||
524 | result0 = r2_low + mul_res0 + 0x8000; | |
525 | result1 = r2_high - mul_res1 + 0x8000; | |
526 | ||
527 | avf0 = result0 * 2u; | |
528 | avf0 = result0 ^ avf0; | |
529 | avf1 = result1 * 2u; | |
530 | avf1 = result1 ^ avf1; | |
531 | ||
532 | if (result0 > INT32_MAX) { | |
533 | ovf0 = (1 << 31); | |
534 | result0 = INT32_MAX; | |
535 | } else if (result0 < INT32_MIN) { | |
536 | ovf0 = (1 << 31); | |
537 | result0 = INT32_MIN; | |
538 | } | |
539 | ||
540 | if (result1 > INT32_MAX) { | |
541 | ovf1 = (1 << 31); | |
542 | result1 = INT32_MAX; | |
543 | } else if (result1 < INT32_MIN) { | |
544 | ovf1 = (1 << 31); | |
545 | result1 = INT32_MIN; | |
546 | } | |
547 | ||
548 | env->PSW_USB_V = ovf0 | ovf1; | |
549 | env->PSW_USB_SV |= env->PSW_USB_V; | |
550 | ||
551 | env->PSW_USB_AV = avf0 | avf1; | |
552 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
553 | ||
554 | return (result1 & 0xffff0000ULL) | ((result0 >> 16) & 0xffffULL); | |
555 | } | |
556 | ||
0974257e BK |
557 | target_ulong helper_sub_suov(CPUTriCoreState *env, target_ulong r1, |
558 | target_ulong r2) | |
559 | { | |
0974257e BK |
560 | int64_t t1 = extract64(r1, 0, 32); |
561 | int64_t t2 = extract64(r2, 0, 32); | |
562 | int64_t result = t1 - t2; | |
85d604af | 563 | return suov32_neg(env, result); |
0974257e BK |
564 | } |
565 | ||
d5de7839 BK |
566 | target_ulong helper_sub_h_suov(CPUTriCoreState *env, target_ulong r1, |
567 | target_ulong r2) | |
568 | { | |
569 | int32_t ret_hw0, ret_hw1; | |
570 | ||
571 | ret_hw0 = extract32(r1, 0, 16) - extract32(r2, 0, 16); | |
572 | ret_hw1 = extract32(r1, 16, 16) - extract32(r2, 16, 16); | |
573 | return suov16(env, ret_hw0, ret_hw1); | |
574 | } | |
575 | ||
0974257e BK |
576 | target_ulong helper_mul_ssov(CPUTriCoreState *env, target_ulong r1, |
577 | target_ulong r2) | |
578 | { | |
0974257e BK |
579 | int64_t t1 = sextract64(r1, 0, 32); |
580 | int64_t t2 = sextract64(r2, 0, 32); | |
581 | int64_t result = t1 * t2; | |
e4e39176 | 582 | return ssov32(env, result); |
0974257e BK |
583 | } |
584 | ||
585 | target_ulong helper_mul_suov(CPUTriCoreState *env, target_ulong r1, | |
586 | target_ulong r2) | |
587 | { | |
0974257e BK |
588 | int64_t t1 = extract64(r1, 0, 32); |
589 | int64_t t2 = extract64(r2, 0, 32); | |
590 | int64_t result = t1 * t2; | |
5f30046f | 591 | |
85d604af | 592 | return suov32_pos(env, result); |
0974257e BK |
593 | } |
594 | ||
595 | target_ulong helper_sha_ssov(CPUTriCoreState *env, target_ulong r1, | |
596 | target_ulong r2) | |
597 | { | |
0974257e BK |
598 | int64_t t1 = sextract64(r1, 0, 32); |
599 | int32_t t2 = sextract64(r2, 0, 6); | |
600 | int64_t result; | |
601 | if (t2 == 0) { | |
602 | result = t1; | |
603 | } else if (t2 > 0) { | |
604 | result = t1 << t2; | |
605 | } else { | |
606 | result = t1 >> -t2; | |
607 | } | |
e4e39176 | 608 | return ssov32(env, result); |
0974257e BK |
609 | } |
610 | ||
d5de7839 BK |
611 | uint32_t helper_abs_ssov(CPUTriCoreState *env, target_ulong r1) |
612 | { | |
613 | target_ulong result; | |
614 | result = ((int32_t)r1 >= 0) ? r1 : (0 - r1); | |
615 | return ssov32(env, result); | |
616 | } | |
617 | ||
618 | uint32_t helper_abs_h_ssov(CPUTriCoreState *env, target_ulong r1) | |
619 | { | |
620 | int32_t ret_h0, ret_h1; | |
621 | ||
622 | ret_h0 = sextract32(r1, 0, 16); | |
623 | ret_h0 = (ret_h0 >= 0) ? ret_h0 : (0 - ret_h0); | |
624 | ||
625 | ret_h1 = sextract32(r1, 16, 16); | |
626 | ret_h1 = (ret_h1 >= 0) ? ret_h1 : (0 - ret_h1); | |
627 | ||
628 | return ssov16(env, ret_h0, ret_h1); | |
629 | } | |
630 | ||
0974257e BK |
631 | target_ulong helper_absdif_ssov(CPUTriCoreState *env, target_ulong r1, |
632 | target_ulong r2) | |
633 | { | |
0974257e BK |
634 | int64_t t1 = sextract64(r1, 0, 32); |
635 | int64_t t2 = sextract64(r2, 0, 32); | |
636 | int64_t result; | |
637 | ||
638 | if (t1 > t2) { | |
639 | result = t1 - t2; | |
640 | } else { | |
641 | result = t2 - t1; | |
642 | } | |
e4e39176 | 643 | return ssov32(env, result); |
0974257e | 644 | } |
328f1f0f | 645 | |
d5de7839 BK |
646 | uint32_t helper_absdif_h_ssov(CPUTriCoreState *env, target_ulong r1, |
647 | target_ulong r2) | |
648 | { | |
649 | int32_t t1, t2; | |
650 | int32_t ret_h0, ret_h1; | |
651 | ||
652 | t1 = sextract32(r1, 0, 16); | |
653 | t2 = sextract32(r2, 0, 16); | |
654 | if (t1 > t2) { | |
655 | ret_h0 = t1 - t2; | |
656 | } else { | |
657 | ret_h0 = t2 - t1; | |
658 | } | |
659 | ||
660 | t1 = sextract32(r1, 16, 16); | |
661 | t2 = sextract32(r2, 16, 16); | |
662 | if (t1 > t2) { | |
663 | ret_h1 = t1 - t2; | |
664 | } else { | |
665 | ret_h1 = t2 - t1; | |
666 | } | |
667 | ||
668 | return ssov16(env, ret_h0, ret_h1); | |
669 | } | |
670 | ||
328f1f0f BK |
671 | target_ulong helper_madd32_ssov(CPUTriCoreState *env, target_ulong r1, |
672 | target_ulong r2, target_ulong r3) | |
673 | { | |
328f1f0f BK |
674 | int64_t t1 = sextract64(r1, 0, 32); |
675 | int64_t t2 = sextract64(r2, 0, 32); | |
676 | int64_t t3 = sextract64(r3, 0, 32); | |
677 | int64_t result; | |
678 | ||
679 | result = t2 + (t1 * t3); | |
e4e39176 | 680 | return ssov32(env, result); |
328f1f0f BK |
681 | } |
682 | ||
683 | target_ulong helper_madd32_suov(CPUTriCoreState *env, target_ulong r1, | |
684 | target_ulong r2, target_ulong r3) | |
685 | { | |
328f1f0f BK |
686 | uint64_t t1 = extract64(r1, 0, 32); |
687 | uint64_t t2 = extract64(r2, 0, 32); | |
688 | uint64_t t3 = extract64(r3, 0, 32); | |
689 | int64_t result; | |
690 | ||
691 | result = t2 + (t1 * t3); | |
85d604af | 692 | return suov32_pos(env, result); |
328f1f0f BK |
693 | } |
694 | ||
695 | uint64_t helper_madd64_ssov(CPUTriCoreState *env, target_ulong r1, | |
696 | uint64_t r2, target_ulong r3) | |
697 | { | |
698 | uint64_t ret, ovf; | |
699 | int64_t t1 = sextract64(r1, 0, 32); | |
700 | int64_t t3 = sextract64(r3, 0, 32); | |
701 | int64_t mul; | |
702 | ||
703 | mul = t1 * t3; | |
704 | ret = mul + r2; | |
705 | ovf = (ret ^ mul) & ~(mul ^ r2); | |
706 | ||
811ea608 BK |
707 | t1 = ret >> 32; |
708 | env->PSW_USB_AV = t1 ^ t1 * 2u; | |
709 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
710 | ||
328f1f0f BK |
711 | if ((int64_t)ovf < 0) { |
712 | env->PSW_USB_V = (1 << 31); | |
713 | env->PSW_USB_SV = (1 << 31); | |
714 | /* ext_ret > MAX_INT */ | |
715 | if (mul >= 0) { | |
716 | ret = INT64_MAX; | |
717 | /* ext_ret < MIN_INT */ | |
718 | } else { | |
719 | ret = INT64_MIN; | |
720 | } | |
721 | } else { | |
722 | env->PSW_USB_V = 0; | |
723 | } | |
328f1f0f BK |
724 | |
725 | return ret; | |
726 | } | |
727 | ||
b00aa8ec BK |
728 | uint32_t |
729 | helper_madd32_q_add_ssov(CPUTriCoreState *env, uint64_t r1, uint64_t r2) | |
730 | { | |
731 | int64_t result; | |
732 | ||
733 | result = (r1 + r2); | |
734 | ||
735 | env->PSW_USB_AV = (result ^ result * 2u); | |
736 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
737 | ||
738 | /* we do the saturation by hand, since we produce an overflow on the host | |
739 | if the mul before was (0x80000000 * 0x80000000) << 1). If this is the | |
740 | case, we flip the saturated value. */ | |
741 | if (r2 == 0x8000000000000000LL) { | |
742 | if (result > 0x7fffffffLL) { | |
743 | env->PSW_USB_V = (1 << 31); | |
744 | env->PSW_USB_SV = (1 << 31); | |
745 | result = INT32_MIN; | |
746 | } else if (result < -0x80000000LL) { | |
747 | env->PSW_USB_V = (1 << 31); | |
748 | env->PSW_USB_SV = (1 << 31); | |
749 | result = INT32_MAX; | |
750 | } else { | |
751 | env->PSW_USB_V = 0; | |
752 | } | |
753 | } else { | |
754 | if (result > 0x7fffffffLL) { | |
755 | env->PSW_USB_V = (1 << 31); | |
756 | env->PSW_USB_SV = (1 << 31); | |
757 | result = INT32_MAX; | |
758 | } else if (result < -0x80000000LL) { | |
759 | env->PSW_USB_V = (1 << 31); | |
760 | env->PSW_USB_SV = (1 << 31); | |
761 | result = INT32_MIN; | |
762 | } else { | |
763 | env->PSW_USB_V = 0; | |
764 | } | |
765 | } | |
766 | return (uint32_t)result; | |
767 | } | |
768 | ||
769 | uint64_t helper_madd64_q_ssov(CPUTriCoreState *env, uint64_t r1, uint32_t r2, | |
770 | uint32_t r3, uint32_t n) | |
771 | { | |
772 | int64_t t1 = (int64_t)r1; | |
773 | int64_t t2 = sextract64(r2, 0, 32); | |
774 | int64_t t3 = sextract64(r3, 0, 32); | |
775 | int64_t result, mul; | |
776 | int64_t ovf; | |
777 | ||
778 | mul = (t2 * t3) << n; | |
779 | result = mul + t1; | |
780 | ||
781 | env->PSW_USB_AV = (result ^ result * 2u) >> 32; | |
782 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
783 | ||
784 | ovf = (result ^ mul) & ~(mul ^ t1); | |
785 | /* we do the saturation by hand, since we produce an overflow on the host | |
786 | if the mul was (0x80000000 * 0x80000000) << 1). If this is the | |
787 | case, we flip the saturated value. */ | |
788 | if ((r2 == 0x80000000) && (r3 == 0x80000000) && (n == 1)) { | |
789 | if (ovf >= 0) { | |
790 | env->PSW_USB_V = (1 << 31); | |
791 | env->PSW_USB_SV = (1 << 31); | |
792 | /* ext_ret > MAX_INT */ | |
793 | if (mul < 0) { | |
794 | result = INT64_MAX; | |
795 | /* ext_ret < MIN_INT */ | |
796 | } else { | |
797 | result = INT64_MIN; | |
798 | } | |
799 | } else { | |
800 | env->PSW_USB_V = 0; | |
801 | } | |
802 | } else { | |
803 | if (ovf < 0) { | |
804 | env->PSW_USB_V = (1 << 31); | |
805 | env->PSW_USB_SV = (1 << 31); | |
806 | /* ext_ret > MAX_INT */ | |
807 | if (mul >= 0) { | |
808 | result = INT64_MAX; | |
809 | /* ext_ret < MIN_INT */ | |
810 | } else { | |
811 | result = INT64_MIN; | |
812 | } | |
813 | } else { | |
814 | env->PSW_USB_V = 0; | |
815 | } | |
816 | } | |
817 | return (uint64_t)result; | |
818 | } | |
819 | ||
820 | uint32_t helper_maddr_q_ssov(CPUTriCoreState *env, uint32_t r1, uint32_t r2, | |
821 | uint32_t r3, uint32_t n) | |
822 | { | |
823 | int64_t t1 = sextract64(r1, 0, 32); | |
824 | int64_t t2 = sextract64(r2, 0, 32); | |
825 | int64_t t3 = sextract64(r3, 0, 32); | |
826 | int64_t mul, ret; | |
827 | ||
828 | if ((t2 == -0x8000ll) && (t3 == -0x8000ll) && (n == 1)) { | |
829 | mul = 0x7fffffff; | |
830 | } else { | |
831 | mul = (t2 * t3) << n; | |
832 | } | |
833 | ||
834 | ret = t1 + mul + 0x8000; | |
835 | ||
836 | env->PSW_USB_AV = ret ^ ret * 2u; | |
837 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
838 | ||
839 | if (ret > 0x7fffffffll) { | |
840 | env->PSW_USB_V = (1 << 31); | |
841 | env->PSW_USB_SV |= env->PSW_USB_V; | |
842 | ret = INT32_MAX; | |
843 | } else if (ret < -0x80000000ll) { | |
844 | env->PSW_USB_V = (1 << 31); | |
845 | env->PSW_USB_SV |= env->PSW_USB_V; | |
846 | ret = INT32_MIN; | |
847 | } else { | |
848 | env->PSW_USB_V = 0; | |
849 | } | |
850 | return ret & 0xffff0000ll; | |
851 | } | |
852 | ||
328f1f0f BK |
853 | uint64_t helper_madd64_suov(CPUTriCoreState *env, target_ulong r1, |
854 | uint64_t r2, target_ulong r3) | |
855 | { | |
856 | uint64_t ret, mul; | |
857 | uint64_t t1 = extract64(r1, 0, 32); | |
858 | uint64_t t3 = extract64(r3, 0, 32); | |
859 | ||
860 | mul = t1 * t3; | |
861 | ret = mul + r2; | |
862 | ||
811ea608 BK |
863 | t1 = ret >> 32; |
864 | env->PSW_USB_AV = t1 ^ t1 * 2u; | |
865 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
866 | ||
328f1f0f BK |
867 | if (ret < r2) { |
868 | env->PSW_USB_V = (1 << 31); | |
869 | env->PSW_USB_SV = (1 << 31); | |
870 | /* saturate */ | |
871 | ret = UINT64_MAX; | |
872 | } else { | |
873 | env->PSW_USB_V = 0; | |
874 | } | |
328f1f0f BK |
875 | return ret; |
876 | } | |
877 | ||
878 | target_ulong helper_msub32_ssov(CPUTriCoreState *env, target_ulong r1, | |
879 | target_ulong r2, target_ulong r3) | |
880 | { | |
328f1f0f BK |
881 | int64_t t1 = sextract64(r1, 0, 32); |
882 | int64_t t2 = sextract64(r2, 0, 32); | |
883 | int64_t t3 = sextract64(r3, 0, 32); | |
884 | int64_t result; | |
885 | ||
886 | result = t2 - (t1 * t3); | |
e4e39176 | 887 | return ssov32(env, result); |
328f1f0f BK |
888 | } |
889 | ||
890 | target_ulong helper_msub32_suov(CPUTriCoreState *env, target_ulong r1, | |
891 | target_ulong r2, target_ulong r3) | |
892 | { | |
3debbb5a BK |
893 | uint64_t t1 = extract64(r1, 0, 32); |
894 | uint64_t t2 = extract64(r2, 0, 32); | |
895 | uint64_t t3 = extract64(r3, 0, 32); | |
896 | uint64_t result; | |
897 | uint64_t mul; | |
328f1f0f | 898 | |
3debbb5a BK |
899 | mul = (t1 * t3); |
900 | result = t2 - mul; | |
901 | ||
902 | env->PSW_USB_AV = result ^ result * 2u; | |
903 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
904 | /* we calculate ovf by hand here, because the multiplication can overflow on | |
905 | the host, which would give false results if we compare to less than | |
906 | zero */ | |
907 | if (mul > t2) { | |
908 | env->PSW_USB_V = (1 << 31); | |
909 | env->PSW_USB_SV = (1 << 31); | |
910 | result = 0; | |
911 | } else { | |
912 | env->PSW_USB_V = 0; | |
913 | } | |
914 | return result; | |
328f1f0f BK |
915 | } |
916 | ||
917 | uint64_t helper_msub64_ssov(CPUTriCoreState *env, target_ulong r1, | |
918 | uint64_t r2, target_ulong r3) | |
919 | { | |
920 | uint64_t ret, ovf; | |
921 | int64_t t1 = sextract64(r1, 0, 32); | |
922 | int64_t t3 = sextract64(r3, 0, 32); | |
923 | int64_t mul; | |
924 | ||
925 | mul = t1 * t3; | |
926 | ret = r2 - mul; | |
927 | ovf = (ret ^ r2) & (mul ^ r2); | |
928 | ||
811ea608 BK |
929 | t1 = ret >> 32; |
930 | env->PSW_USB_AV = t1 ^ t1 * 2u; | |
931 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
932 | ||
328f1f0f BK |
933 | if ((int64_t)ovf < 0) { |
934 | env->PSW_USB_V = (1 << 31); | |
935 | env->PSW_USB_SV = (1 << 31); | |
936 | /* ext_ret > MAX_INT */ | |
937 | if (mul < 0) { | |
938 | ret = INT64_MAX; | |
939 | /* ext_ret < MIN_INT */ | |
940 | } else { | |
941 | ret = INT64_MIN; | |
942 | } | |
943 | } else { | |
944 | env->PSW_USB_V = 0; | |
945 | } | |
328f1f0f BK |
946 | return ret; |
947 | } | |
948 | ||
949 | uint64_t helper_msub64_suov(CPUTriCoreState *env, target_ulong r1, | |
950 | uint64_t r2, target_ulong r3) | |
951 | { | |
952 | uint64_t ret, mul; | |
953 | uint64_t t1 = extract64(r1, 0, 32); | |
954 | uint64_t t3 = extract64(r3, 0, 32); | |
955 | ||
956 | mul = t1 * t3; | |
957 | ret = r2 - mul; | |
958 | ||
811ea608 BK |
959 | t1 = ret >> 32; |
960 | env->PSW_USB_AV = t1 ^ t1 * 2u; | |
961 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
962 | ||
328f1f0f BK |
963 | if (ret > r2) { |
964 | env->PSW_USB_V = (1 << 31); | |
965 | env->PSW_USB_SV = (1 << 31); | |
966 | /* saturate */ | |
967 | ret = 0; | |
968 | } else { | |
969 | env->PSW_USB_V = 0; | |
970 | } | |
328f1f0f BK |
971 | return ret; |
972 | } | |
973 | ||
62e47b2e BK |
974 | uint32_t |
975 | helper_msub32_q_sub_ssov(CPUTriCoreState *env, uint64_t r1, uint64_t r2) | |
976 | { | |
977 | int64_t result; | |
978 | int64_t t1 = (int64_t)r1; | |
979 | int64_t t2 = (int64_t)r2; | |
980 | ||
981 | result = t1 - t2; | |
982 | ||
983 | env->PSW_USB_AV = (result ^ result * 2u); | |
984 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
985 | ||
986 | /* we do the saturation by hand, since we produce an overflow on the host | |
987 | if the mul before was (0x80000000 * 0x80000000) << 1). If this is the | |
988 | case, we flip the saturated value. */ | |
989 | if (r2 == 0x8000000000000000LL) { | |
990 | if (result > 0x7fffffffLL) { | |
991 | env->PSW_USB_V = (1 << 31); | |
992 | env->PSW_USB_SV = (1 << 31); | |
993 | result = INT32_MIN; | |
994 | } else if (result < -0x80000000LL) { | |
995 | env->PSW_USB_V = (1 << 31); | |
996 | env->PSW_USB_SV = (1 << 31); | |
997 | result = INT32_MAX; | |
998 | } else { | |
999 | env->PSW_USB_V = 0; | |
1000 | } | |
1001 | } else { | |
1002 | if (result > 0x7fffffffLL) { | |
1003 | env->PSW_USB_V = (1 << 31); | |
1004 | env->PSW_USB_SV = (1 << 31); | |
1005 | result = INT32_MAX; | |
1006 | } else if (result < -0x80000000LL) { | |
1007 | env->PSW_USB_V = (1 << 31); | |
1008 | env->PSW_USB_SV = (1 << 31); | |
1009 | result = INT32_MIN; | |
1010 | } else { | |
1011 | env->PSW_USB_V = 0; | |
1012 | } | |
1013 | } | |
1014 | return (uint32_t)result; | |
1015 | } | |
1016 | ||
1017 | uint64_t helper_msub64_q_ssov(CPUTriCoreState *env, uint64_t r1, uint32_t r2, | |
1018 | uint32_t r3, uint32_t n) | |
1019 | { | |
1020 | int64_t t1 = (int64_t)r1; | |
1021 | int64_t t2 = sextract64(r2, 0, 32); | |
1022 | int64_t t3 = sextract64(r3, 0, 32); | |
1023 | int64_t result, mul; | |
1024 | int64_t ovf; | |
1025 | ||
1026 | mul = (t2 * t3) << n; | |
1027 | result = t1 - mul; | |
1028 | ||
1029 | env->PSW_USB_AV = (result ^ result * 2u) >> 32; | |
1030 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
1031 | ||
1032 | ovf = (result ^ t1) & (t1 ^ mul); | |
1033 | /* we do the saturation by hand, since we produce an overflow on the host | |
1034 | if the mul before was (0x80000000 * 0x80000000) << 1). If this is the | |
1035 | case, we flip the saturated value. */ | |
1036 | if (mul == 0x8000000000000000LL) { | |
1037 | if (ovf >= 0) { | |
1038 | env->PSW_USB_V = (1 << 31); | |
1039 | env->PSW_USB_SV = (1 << 31); | |
1040 | /* ext_ret > MAX_INT */ | |
1041 | if (mul >= 0) { | |
1042 | result = INT64_MAX; | |
1043 | /* ext_ret < MIN_INT */ | |
1044 | } else { | |
1045 | result = INT64_MIN; | |
1046 | } | |
9029710b BK |
1047 | } else { |
1048 | env->PSW_USB_V = 0; | |
62e47b2e BK |
1049 | } |
1050 | } else { | |
1051 | if (ovf < 0) { | |
1052 | env->PSW_USB_V = (1 << 31); | |
1053 | env->PSW_USB_SV = (1 << 31); | |
1054 | /* ext_ret > MAX_INT */ | |
1055 | if (mul < 0) { | |
1056 | result = INT64_MAX; | |
1057 | /* ext_ret < MIN_INT */ | |
1058 | } else { | |
1059 | result = INT64_MIN; | |
1060 | } | |
1061 | } else { | |
1062 | env->PSW_USB_V = 0; | |
1063 | } | |
1064 | } | |
1065 | ||
1066 | return (uint64_t)result; | |
1067 | } | |
1068 | ||
1069 | uint32_t helper_msubr_q_ssov(CPUTriCoreState *env, uint32_t r1, uint32_t r2, | |
1070 | uint32_t r3, uint32_t n) | |
1071 | { | |
1072 | int64_t t1 = sextract64(r1, 0, 32); | |
1073 | int64_t t2 = sextract64(r2, 0, 32); | |
1074 | int64_t t3 = sextract64(r3, 0, 32); | |
1075 | int64_t mul, ret; | |
1076 | ||
1077 | if ((t2 == -0x8000ll) && (t3 == -0x8000ll) && (n == 1)) { | |
1078 | mul = 0x7fffffff; | |
1079 | } else { | |
1080 | mul = (t2 * t3) << n; | |
1081 | } | |
1082 | ||
1083 | ret = t1 - mul + 0x8000; | |
1084 | ||
1085 | env->PSW_USB_AV = ret ^ ret * 2u; | |
1086 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
1087 | ||
1088 | if (ret > 0x7fffffffll) { | |
1089 | env->PSW_USB_V = (1 << 31); | |
1090 | env->PSW_USB_SV |= env->PSW_USB_V; | |
1091 | ret = INT32_MAX; | |
1092 | } else if (ret < -0x80000000ll) { | |
1093 | env->PSW_USB_V = (1 << 31); | |
1094 | env->PSW_USB_SV |= env->PSW_USB_V; | |
1095 | ret = INT32_MIN; | |
1096 | } else { | |
1097 | env->PSW_USB_V = 0; | |
1098 | } | |
1099 | return ret & 0xffff0000ll; | |
1100 | } | |
1101 | ||
d5de7839 BK |
1102 | uint32_t helper_abs_b(CPUTriCoreState *env, target_ulong arg) |
1103 | { | |
1104 | int32_t b, i; | |
1105 | int32_t ovf = 0; | |
1106 | int32_t avf = 0; | |
1107 | int32_t ret = 0; | |
1108 | ||
1109 | for (i = 0; i < 4; i++) { | |
1110 | b = sextract32(arg, i * 8, 8); | |
1111 | b = (b >= 0) ? b : (0 - b); | |
1112 | ovf |= (b > 0x7F) || (b < -0x80); | |
1113 | avf |= b ^ b * 2u; | |
1114 | ret |= (b & 0xff) << (i * 8); | |
1115 | } | |
1116 | ||
1117 | env->PSW_USB_V = ovf << 31; | |
1118 | env->PSW_USB_SV |= env->PSW_USB_V; | |
1119 | env->PSW_USB_AV = avf << 24; | |
1120 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
1121 | ||
1122 | return ret; | |
1123 | } | |
1124 | ||
1125 | uint32_t helper_abs_h(CPUTriCoreState *env, target_ulong arg) | |
1126 | { | |
1127 | int32_t h, i; | |
1128 | int32_t ovf = 0; | |
1129 | int32_t avf = 0; | |
1130 | int32_t ret = 0; | |
1131 | ||
1132 | for (i = 0; i < 2; i++) { | |
1133 | h = sextract32(arg, i * 16, 16); | |
1134 | h = (h >= 0) ? h : (0 - h); | |
1135 | ovf |= (h > 0x7FFF) || (h < -0x8000); | |
1136 | avf |= h ^ h * 2u; | |
1137 | ret |= (h & 0xffff) << (i * 16); | |
1138 | } | |
1139 | ||
1140 | env->PSW_USB_V = ovf << 31; | |
1141 | env->PSW_USB_SV |= env->PSW_USB_V; | |
1142 | env->PSW_USB_AV = avf << 16; | |
1143 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
1144 | ||
1145 | return ret; | |
1146 | } | |
1147 | ||
1148 | uint32_t helper_absdif_b(CPUTriCoreState *env, target_ulong r1, target_ulong r2) | |
1149 | { | |
1150 | int32_t b, i; | |
1151 | int32_t extr_r2; | |
1152 | int32_t ovf = 0; | |
1153 | int32_t avf = 0; | |
1154 | int32_t ret = 0; | |
1155 | ||
1156 | for (i = 0; i < 4; i++) { | |
1157 | extr_r2 = sextract32(r2, i * 8, 8); | |
1158 | b = sextract32(r1, i * 8, 8); | |
1159 | b = (b > extr_r2) ? (b - extr_r2) : (extr_r2 - b); | |
1160 | ovf |= (b > 0x7F) || (b < -0x80); | |
1161 | avf |= b ^ b * 2u; | |
1162 | ret |= (b & 0xff) << (i * 8); | |
1163 | } | |
1164 | ||
1165 | env->PSW_USB_V = ovf << 31; | |
1166 | env->PSW_USB_SV |= env->PSW_USB_V; | |
1167 | env->PSW_USB_AV = avf << 24; | |
1168 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
1169 | return ret; | |
1170 | } | |
1171 | ||
1172 | uint32_t helper_absdif_h(CPUTriCoreState *env, target_ulong r1, target_ulong r2) | |
1173 | { | |
1174 | int32_t h, i; | |
1175 | int32_t extr_r2; | |
1176 | int32_t ovf = 0; | |
1177 | int32_t avf = 0; | |
1178 | int32_t ret = 0; | |
1179 | ||
1180 | for (i = 0; i < 2; i++) { | |
1181 | extr_r2 = sextract32(r2, i * 16, 16); | |
1182 | h = sextract32(r1, i * 16, 16); | |
1183 | h = (h > extr_r2) ? (h - extr_r2) : (extr_r2 - h); | |
1184 | ovf |= (h > 0x7FFF) || (h < -0x8000); | |
1185 | avf |= h ^ h * 2u; | |
1186 | ret |= (h & 0xffff) << (i * 16); | |
1187 | } | |
1188 | ||
1189 | env->PSW_USB_V = ovf << 31; | |
1190 | env->PSW_USB_SV |= env->PSW_USB_V; | |
1191 | env->PSW_USB_AV = avf << 16; | |
1192 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
1193 | ||
1194 | return ret; | |
1195 | } | |
1196 | ||
2e430e1c BK |
1197 | uint32_t helper_addr_h(CPUTriCoreState *env, uint64_t r1, uint32_t r2_l, |
1198 | uint32_t r2_h) | |
1199 | { | |
1200 | int64_t mul_res0 = sextract64(r1, 0, 32); | |
1201 | int64_t mul_res1 = sextract64(r1, 32, 32); | |
1202 | int64_t r2_low = sextract64(r2_l, 0, 32); | |
1203 | int64_t r2_high = sextract64(r2_h, 0, 32); | |
1204 | int64_t result0, result1; | |
1205 | uint32_t ovf0, ovf1; | |
1206 | uint32_t avf0, avf1; | |
1207 | ||
1208 | ovf0 = ovf1 = 0; | |
1209 | ||
1210 | result0 = r2_low + mul_res0 + 0x8000; | |
1211 | result1 = r2_high + mul_res1 + 0x8000; | |
1212 | ||
1213 | if ((result0 > INT32_MAX) || (result0 < INT32_MIN)) { | |
1214 | ovf0 = (1 << 31); | |
1215 | } | |
1216 | ||
1217 | if ((result1 > INT32_MAX) || (result1 < INT32_MIN)) { | |
1218 | ovf1 = (1 << 31); | |
1219 | } | |
1220 | ||
1221 | env->PSW_USB_V = ovf0 | ovf1; | |
1222 | env->PSW_USB_SV |= env->PSW_USB_V; | |
1223 | ||
1224 | avf0 = result0 * 2u; | |
1225 | avf0 = result0 ^ avf0; | |
1226 | avf1 = result1 * 2u; | |
1227 | avf1 = result1 ^ avf1; | |
1228 | ||
1229 | env->PSW_USB_AV = avf0 | avf1; | |
1230 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
1231 | ||
1232 | return (result1 & 0xffff0000ULL) | ((result0 >> 16) & 0xffffULL); | |
1233 | } | |
1234 | ||
bebe80fc BK |
1235 | uint32_t helper_addsur_h(CPUTriCoreState *env, uint64_t r1, uint32_t r2_l, |
1236 | uint32_t r2_h) | |
1237 | { | |
1238 | int64_t mul_res0 = sextract64(r1, 0, 32); | |
1239 | int64_t mul_res1 = sextract64(r1, 32, 32); | |
1240 | int64_t r2_low = sextract64(r2_l, 0, 32); | |
1241 | int64_t r2_high = sextract64(r2_h, 0, 32); | |
1242 | int64_t result0, result1; | |
1243 | uint32_t ovf0, ovf1; | |
1244 | uint32_t avf0, avf1; | |
1245 | ||
1246 | ovf0 = ovf1 = 0; | |
1247 | ||
1248 | result0 = r2_low - mul_res0 + 0x8000; | |
1249 | result1 = r2_high + mul_res1 + 0x8000; | |
1250 | ||
1251 | if ((result0 > INT32_MAX) || (result0 < INT32_MIN)) { | |
1252 | ovf0 = (1 << 31); | |
1253 | } | |
1254 | ||
1255 | if ((result1 > INT32_MAX) || (result1 < INT32_MIN)) { | |
1256 | ovf1 = (1 << 31); | |
1257 | } | |
1258 | ||
1259 | env->PSW_USB_V = ovf0 | ovf1; | |
1260 | env->PSW_USB_SV |= env->PSW_USB_V; | |
1261 | ||
1262 | avf0 = result0 * 2u; | |
1263 | avf0 = result0 ^ avf0; | |
1264 | avf1 = result1 * 2u; | |
1265 | avf1 = result1 ^ avf1; | |
1266 | ||
1267 | env->PSW_USB_AV = avf0 | avf1; | |
1268 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
1269 | ||
1270 | return (result1 & 0xffff0000ULL) | ((result0 >> 16) & 0xffffULL); | |
1271 | } | |
1272 | ||
b00aa8ec BK |
1273 | uint32_t helper_maddr_q(CPUTriCoreState *env, uint32_t r1, uint32_t r2, |
1274 | uint32_t r3, uint32_t n) | |
1275 | { | |
1276 | int64_t t1 = sextract64(r1, 0, 32); | |
1277 | int64_t t2 = sextract64(r2, 0, 32); | |
1278 | int64_t t3 = sextract64(r3, 0, 32); | |
1279 | int64_t mul, ret; | |
1280 | ||
1281 | if ((t2 == -0x8000ll) && (t3 == -0x8000ll) && (n == 1)) { | |
1282 | mul = 0x7fffffff; | |
1283 | } else { | |
1284 | mul = (t2 * t3) << n; | |
1285 | } | |
1286 | ||
1287 | ret = t1 + mul + 0x8000; | |
1288 | ||
1289 | if ((ret > 0x7fffffffll) || (ret < -0x80000000ll)) { | |
1290 | env->PSW_USB_V = (1 << 31); | |
1291 | env->PSW_USB_SV |= env->PSW_USB_V; | |
1292 | } else { | |
1293 | env->PSW_USB_V = 0; | |
1294 | } | |
1295 | env->PSW_USB_AV = ret ^ ret * 2u; | |
1296 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
1297 | ||
1298 | return ret & 0xffff0000ll; | |
1299 | } | |
1300 | ||
d5de7839 BK |
1301 | uint32_t helper_add_b(CPUTriCoreState *env, target_ulong r1, target_ulong r2) |
1302 | { | |
1303 | int32_t b, i; | |
1304 | int32_t extr_r1, extr_r2; | |
1305 | int32_t ovf = 0; | |
1306 | int32_t avf = 0; | |
1307 | uint32_t ret = 0; | |
1308 | ||
1309 | for (i = 0; i < 4; i++) { | |
1310 | extr_r1 = sextract32(r1, i * 8, 8); | |
1311 | extr_r2 = sextract32(r2, i * 8, 8); | |
1312 | ||
1313 | b = extr_r1 + extr_r2; | |
1314 | ovf |= ((b > 0x7f) || (b < -0x80)); | |
1315 | avf |= b ^ b * 2u; | |
1316 | ret |= ((b & 0xff) << (i*8)); | |
1317 | } | |
1318 | ||
1319 | env->PSW_USB_V = (ovf << 31); | |
1320 | env->PSW_USB_SV |= env->PSW_USB_V; | |
1321 | env->PSW_USB_AV = avf << 24; | |
1322 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
1323 | ||
1324 | return ret; | |
1325 | } | |
1326 | ||
1327 | uint32_t helper_add_h(CPUTriCoreState *env, target_ulong r1, target_ulong r2) | |
1328 | { | |
1329 | int32_t h, i; | |
1330 | int32_t extr_r1, extr_r2; | |
1331 | int32_t ovf = 0; | |
1332 | int32_t avf = 0; | |
1333 | int32_t ret = 0; | |
1334 | ||
1335 | for (i = 0; i < 2; i++) { | |
1336 | extr_r1 = sextract32(r1, i * 16, 16); | |
1337 | extr_r2 = sextract32(r2, i * 16, 16); | |
1338 | h = extr_r1 + extr_r2; | |
1339 | ovf |= ((h > 0x7fff) || (h < -0x8000)); | |
1340 | avf |= h ^ h * 2u; | |
1341 | ret |= (h & 0xffff) << (i * 16); | |
1342 | } | |
1343 | ||
1344 | env->PSW_USB_V = (ovf << 31); | |
1345 | env->PSW_USB_SV |= env->PSW_USB_V; | |
1346 | env->PSW_USB_AV = (avf << 16); | |
1347 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
1348 | ||
1349 | return ret; | |
1350 | } | |
1351 | ||
f4aef476 BK |
1352 | uint32_t helper_subr_h(CPUTriCoreState *env, uint64_t r1, uint32_t r2_l, |
1353 | uint32_t r2_h) | |
1354 | { | |
1355 | int64_t mul_res0 = sextract64(r1, 0, 32); | |
1356 | int64_t mul_res1 = sextract64(r1, 32, 32); | |
1357 | int64_t r2_low = sextract64(r2_l, 0, 32); | |
1358 | int64_t r2_high = sextract64(r2_h, 0, 32); | |
1359 | int64_t result0, result1; | |
1360 | uint32_t ovf0, ovf1; | |
1361 | uint32_t avf0, avf1; | |
1362 | ||
1363 | ovf0 = ovf1 = 0; | |
1364 | ||
1365 | result0 = r2_low - mul_res0 + 0x8000; | |
1366 | result1 = r2_high - mul_res1 + 0x8000; | |
1367 | ||
1368 | if ((result0 > INT32_MAX) || (result0 < INT32_MIN)) { | |
1369 | ovf0 = (1 << 31); | |
1370 | } | |
1371 | ||
1372 | if ((result1 > INT32_MAX) || (result1 < INT32_MIN)) { | |
1373 | ovf1 = (1 << 31); | |
1374 | } | |
1375 | ||
1376 | env->PSW_USB_V = ovf0 | ovf1; | |
1377 | env->PSW_USB_SV |= env->PSW_USB_V; | |
1378 | ||
1379 | avf0 = result0 * 2u; | |
1380 | avf0 = result0 ^ avf0; | |
1381 | avf1 = result1 * 2u; | |
1382 | avf1 = result1 ^ avf1; | |
1383 | ||
1384 | env->PSW_USB_AV = avf0 | avf1; | |
1385 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
1386 | ||
1387 | return (result1 & 0xffff0000ULL) | ((result0 >> 16) & 0xffffULL); | |
1388 | } | |
1389 | ||
068fac77 BK |
1390 | uint32_t helper_subadr_h(CPUTriCoreState *env, uint64_t r1, uint32_t r2_l, |
1391 | uint32_t r2_h) | |
1392 | { | |
1393 | int64_t mul_res0 = sextract64(r1, 0, 32); | |
1394 | int64_t mul_res1 = sextract64(r1, 32, 32); | |
1395 | int64_t r2_low = sextract64(r2_l, 0, 32); | |
1396 | int64_t r2_high = sextract64(r2_h, 0, 32); | |
1397 | int64_t result0, result1; | |
1398 | uint32_t ovf0, ovf1; | |
1399 | uint32_t avf0, avf1; | |
1400 | ||
1401 | ovf0 = ovf1 = 0; | |
1402 | ||
1403 | result0 = r2_low + mul_res0 + 0x8000; | |
1404 | result1 = r2_high - mul_res1 + 0x8000; | |
1405 | ||
1406 | if ((result0 > INT32_MAX) || (result0 < INT32_MIN)) { | |
1407 | ovf0 = (1 << 31); | |
1408 | } | |
1409 | ||
1410 | if ((result1 > INT32_MAX) || (result1 < INT32_MIN)) { | |
1411 | ovf1 = (1 << 31); | |
1412 | } | |
1413 | ||
1414 | env->PSW_USB_V = ovf0 | ovf1; | |
1415 | env->PSW_USB_SV |= env->PSW_USB_V; | |
1416 | ||
1417 | avf0 = result0 * 2u; | |
1418 | avf0 = result0 ^ avf0; | |
1419 | avf1 = result1 * 2u; | |
1420 | avf1 = result1 ^ avf1; | |
1421 | ||
1422 | env->PSW_USB_AV = avf0 | avf1; | |
1423 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
1424 | ||
1425 | return (result1 & 0xffff0000ULL) | ((result0 >> 16) & 0xffffULL); | |
1426 | } | |
1427 | ||
62e47b2e BK |
1428 | uint32_t helper_msubr_q(CPUTriCoreState *env, uint32_t r1, uint32_t r2, |
1429 | uint32_t r3, uint32_t n) | |
1430 | { | |
1431 | int64_t t1 = sextract64(r1, 0, 32); | |
1432 | int64_t t2 = sextract64(r2, 0, 32); | |
1433 | int64_t t3 = sextract64(r3, 0, 32); | |
1434 | int64_t mul, ret; | |
1435 | ||
1436 | if ((t2 == -0x8000ll) && (t3 == -0x8000ll) && (n == 1)) { | |
1437 | mul = 0x7fffffff; | |
1438 | } else { | |
1439 | mul = (t2 * t3) << n; | |
1440 | } | |
1441 | ||
1442 | ret = t1 - mul + 0x8000; | |
1443 | ||
1444 | if ((ret > 0x7fffffffll) || (ret < -0x80000000ll)) { | |
1445 | env->PSW_USB_V = (1 << 31); | |
1446 | env->PSW_USB_SV |= env->PSW_USB_V; | |
1447 | } else { | |
1448 | env->PSW_USB_V = 0; | |
1449 | } | |
1450 | env->PSW_USB_AV = ret ^ ret * 2u; | |
1451 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
1452 | ||
1453 | return ret & 0xffff0000ll; | |
1454 | } | |
1455 | ||
d5de7839 BK |
1456 | uint32_t helper_sub_b(CPUTriCoreState *env, target_ulong r1, target_ulong r2) |
1457 | { | |
1458 | int32_t b, i; | |
1459 | int32_t extr_r1, extr_r2; | |
1460 | int32_t ovf = 0; | |
1461 | int32_t avf = 0; | |
1462 | uint32_t ret = 0; | |
1463 | ||
1464 | for (i = 0; i < 4; i++) { | |
1465 | extr_r1 = sextract32(r1, i * 8, 8); | |
1466 | extr_r2 = sextract32(r2, i * 8, 8); | |
1467 | ||
1468 | b = extr_r1 - extr_r2; | |
1469 | ovf |= ((b > 0x7f) || (b < -0x80)); | |
1470 | avf |= b ^ b * 2u; | |
1471 | ret |= ((b & 0xff) << (i*8)); | |
1472 | } | |
1473 | ||
1474 | env->PSW_USB_V = (ovf << 31); | |
1475 | env->PSW_USB_SV |= env->PSW_USB_V; | |
1476 | env->PSW_USB_AV = avf << 24; | |
1477 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
1478 | ||
1479 | return ret; | |
1480 | } | |
1481 | ||
1482 | uint32_t helper_sub_h(CPUTriCoreState *env, target_ulong r1, target_ulong r2) | |
1483 | { | |
1484 | int32_t h, i; | |
1485 | int32_t extr_r1, extr_r2; | |
1486 | int32_t ovf = 0; | |
1487 | int32_t avf = 0; | |
1488 | int32_t ret = 0; | |
1489 | ||
1490 | for (i = 0; i < 2; i++) { | |
1491 | extr_r1 = sextract32(r1, i * 16, 16); | |
1492 | extr_r2 = sextract32(r2, i * 16, 16); | |
1493 | h = extr_r1 - extr_r2; | |
1494 | ovf |= ((h > 0x7fff) || (h < -0x8000)); | |
1495 | avf |= h ^ h * 2u; | |
1496 | ret |= (h & 0xffff) << (i * 16); | |
1497 | } | |
1498 | ||
1499 | env->PSW_USB_V = (ovf << 31); | |
1500 | env->PSW_USB_SV |= env->PSW_USB_V; | |
1501 | env->PSW_USB_AV = avf << 16; | |
1502 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
1503 | ||
1504 | return ret; | |
1505 | } | |
1506 | ||
1507 | uint32_t helper_eq_b(target_ulong r1, target_ulong r2) | |
1508 | { | |
1509 | int32_t ret; | |
1510 | int32_t i, msk; | |
1511 | ||
1512 | ret = 0; | |
1513 | msk = 0xff; | |
1514 | for (i = 0; i < 4; i++) { | |
1515 | if ((r1 & msk) == (r2 & msk)) { | |
1516 | ret |= msk; | |
1517 | } | |
1518 | msk = msk << 8; | |
1519 | } | |
1520 | ||
1521 | return ret; | |
1522 | } | |
1523 | ||
1524 | uint32_t helper_eq_h(target_ulong r1, target_ulong r2) | |
1525 | { | |
1526 | int32_t ret = 0; | |
1527 | ||
1528 | if ((r1 & 0xffff) == (r2 & 0xffff)) { | |
1529 | ret = 0xffff; | |
1530 | } | |
1531 | ||
1532 | if ((r1 & 0xffff0000) == (r2 & 0xffff0000)) { | |
1533 | ret |= 0xffff0000; | |
1534 | } | |
1535 | ||
1536 | return ret; | |
1537 | } | |
1538 | ||
1539 | uint32_t helper_eqany_b(target_ulong r1, target_ulong r2) | |
1540 | { | |
1541 | int32_t i; | |
1542 | uint32_t ret = 0; | |
1543 | ||
1544 | for (i = 0; i < 4; i++) { | |
1545 | ret |= (sextract32(r1, i * 8, 8) == sextract32(r2, i * 8, 8)); | |
1546 | } | |
1547 | ||
1548 | return ret; | |
1549 | } | |
1550 | ||
1551 | uint32_t helper_eqany_h(target_ulong r1, target_ulong r2) | |
1552 | { | |
1553 | uint32_t ret; | |
1554 | ||
1555 | ret = (sextract32(r1, 0, 16) == sextract32(r2, 0, 16)); | |
1556 | ret |= (sextract32(r1, 16, 16) == sextract32(r2, 16, 16)); | |
1557 | ||
1558 | return ret; | |
1559 | } | |
1560 | ||
1561 | uint32_t helper_lt_b(target_ulong r1, target_ulong r2) | |
1562 | { | |
1563 | int32_t i; | |
1564 | uint32_t ret = 0; | |
1565 | ||
1566 | for (i = 0; i < 4; i++) { | |
1567 | if (sextract32(r1, i * 8, 8) < sextract32(r2, i * 8, 8)) { | |
1568 | ret |= (0xff << (i * 8)); | |
1569 | } | |
1570 | } | |
1571 | ||
1572 | return ret; | |
1573 | } | |
1574 | ||
1575 | uint32_t helper_lt_bu(target_ulong r1, target_ulong r2) | |
1576 | { | |
1577 | int32_t i; | |
1578 | uint32_t ret = 0; | |
1579 | ||
1580 | for (i = 0; i < 4; i++) { | |
1581 | if (extract32(r1, i * 8, 8) < extract32(r2, i * 8, 8)) { | |
1582 | ret |= (0xff << (i * 8)); | |
1583 | } | |
1584 | } | |
1585 | ||
1586 | return ret; | |
1587 | } | |
1588 | ||
1589 | uint32_t helper_lt_h(target_ulong r1, target_ulong r2) | |
1590 | { | |
1591 | uint32_t ret = 0; | |
1592 | ||
1593 | if (sextract32(r1, 0, 16) < sextract32(r2, 0, 16)) { | |
1594 | ret |= 0xffff; | |
1595 | } | |
1596 | ||
1597 | if (sextract32(r1, 16, 16) < sextract32(r2, 16, 16)) { | |
1598 | ret |= 0xffff0000; | |
1599 | } | |
1600 | ||
1601 | return ret; | |
1602 | } | |
1603 | ||
1604 | uint32_t helper_lt_hu(target_ulong r1, target_ulong r2) | |
1605 | { | |
1606 | uint32_t ret = 0; | |
1607 | ||
1608 | if (extract32(r1, 0, 16) < extract32(r2, 0, 16)) { | |
1609 | ret |= 0xffff; | |
1610 | } | |
1611 | ||
1612 | if (extract32(r1, 16, 16) < extract32(r2, 16, 16)) { | |
1613 | ret |= 0xffff0000; | |
1614 | } | |
1615 | ||
1616 | return ret; | |
1617 | } | |
1618 | ||
1619 | #define EXTREMA_H_B(name, op) \ | |
1620 | uint32_t helper_##name ##_b(target_ulong r1, target_ulong r2) \ | |
1621 | { \ | |
1622 | int32_t i, extr_r1, extr_r2; \ | |
1623 | uint32_t ret = 0; \ | |
1624 | \ | |
1625 | for (i = 0; i < 4; i++) { \ | |
1626 | extr_r1 = sextract32(r1, i * 8, 8); \ | |
1627 | extr_r2 = sextract32(r2, i * 8, 8); \ | |
1628 | extr_r1 = (extr_r1 op extr_r2) ? extr_r1 : extr_r2; \ | |
1629 | ret |= (extr_r1 & 0xff) << (i * 8); \ | |
1630 | } \ | |
1631 | return ret; \ | |
1632 | } \ | |
1633 | \ | |
1634 | uint32_t helper_##name ##_bu(target_ulong r1, target_ulong r2)\ | |
1635 | { \ | |
1636 | int32_t i; \ | |
1637 | uint32_t extr_r1, extr_r2; \ | |
1638 | uint32_t ret = 0; \ | |
1639 | \ | |
1640 | for (i = 0; i < 4; i++) { \ | |
1641 | extr_r1 = extract32(r1, i * 8, 8); \ | |
1642 | extr_r2 = extract32(r2, i * 8, 8); \ | |
1643 | extr_r1 = (extr_r1 op extr_r2) ? extr_r1 : extr_r2; \ | |
1644 | ret |= (extr_r1 & 0xff) << (i * 8); \ | |
1645 | } \ | |
1646 | return ret; \ | |
1647 | } \ | |
1648 | \ | |
1649 | uint32_t helper_##name ##_h(target_ulong r1, target_ulong r2) \ | |
1650 | { \ | |
1651 | int32_t extr_r1, extr_r2; \ | |
1652 | uint32_t ret = 0; \ | |
1653 | \ | |
1654 | extr_r1 = sextract32(r1, 0, 16); \ | |
1655 | extr_r2 = sextract32(r2, 0, 16); \ | |
1656 | ret = (extr_r1 op extr_r2) ? extr_r1 : extr_r2; \ | |
1657 | ret = ret & 0xffff; \ | |
1658 | \ | |
1659 | extr_r1 = sextract32(r1, 16, 16); \ | |
1660 | extr_r2 = sextract32(r2, 16, 16); \ | |
1661 | extr_r1 = (extr_r1 op extr_r2) ? extr_r1 : extr_r2; \ | |
1662 | ret |= extr_r1 << 16; \ | |
1663 | \ | |
1664 | return ret; \ | |
1665 | } \ | |
1666 | \ | |
1667 | uint32_t helper_##name ##_hu(target_ulong r1, target_ulong r2)\ | |
1668 | { \ | |
1669 | uint32_t extr_r1, extr_r2; \ | |
1670 | uint32_t ret = 0; \ | |
1671 | \ | |
1672 | extr_r1 = extract32(r1, 0, 16); \ | |
1673 | extr_r2 = extract32(r2, 0, 16); \ | |
1674 | ret = (extr_r1 op extr_r2) ? extr_r1 : extr_r2; \ | |
1675 | ret = ret & 0xffff; \ | |
1676 | \ | |
1677 | extr_r1 = extract32(r1, 16, 16); \ | |
1678 | extr_r2 = extract32(r2, 16, 16); \ | |
1679 | extr_r1 = (extr_r1 op extr_r2) ? extr_r1 : extr_r2; \ | |
1680 | ret |= extr_r1 << (16); \ | |
1681 | \ | |
1682 | return ret; \ | |
1683 | } \ | |
09532255 BK |
1684 | \ |
1685 | uint64_t helper_ix##name(uint64_t r1, uint32_t r2) \ | |
1686 | { \ | |
1687 | int64_t r2l, r2h, r1hl; \ | |
1688 | uint64_t ret = 0; \ | |
1689 | \ | |
1690 | ret = ((r1 + 2) & 0xffff); \ | |
1691 | r2l = sextract64(r2, 0, 16); \ | |
1692 | r2h = sextract64(r2, 16, 16); \ | |
1693 | r1hl = sextract64(r1, 32, 16); \ | |
1694 | \ | |
1695 | if ((r2l op ## = r2h) && (r2l op r1hl)) { \ | |
1696 | ret |= (r2l & 0xffff) << 32; \ | |
1697 | ret |= extract64(r1, 0, 16) << 16; \ | |
1698 | } else if ((r2h op r2l) && (r2h op r1hl)) { \ | |
1699 | ret |= extract64(r2, 16, 16) << 32; \ | |
1700 | ret |= extract64(r1 + 1, 0, 16) << 16; \ | |
1701 | } else { \ | |
1702 | ret |= r1 & 0xffffffff0000ull; \ | |
1703 | } \ | |
1704 | return ret; \ | |
1705 | } \ | |
1706 | \ | |
1707 | uint64_t helper_ix##name ##_u(uint64_t r1, uint32_t r2) \ | |
1708 | { \ | |
1709 | int64_t r2l, r2h, r1hl; \ | |
1710 | uint64_t ret = 0; \ | |
1711 | \ | |
1712 | ret = ((r1 + 2) & 0xffff); \ | |
1713 | r2l = extract64(r2, 0, 16); \ | |
1714 | r2h = extract64(r2, 16, 16); \ | |
1715 | r1hl = extract64(r1, 32, 16); \ | |
1716 | \ | |
1717 | if ((r2l op ## = r2h) && (r2l op r1hl)) { \ | |
1718 | ret |= (r2l & 0xffff) << 32; \ | |
1719 | ret |= extract64(r1, 0, 16) << 16; \ | |
1720 | } else if ((r2h op r2l) && (r2h op r1hl)) { \ | |
1721 | ret |= extract64(r2, 16, 16) << 32; \ | |
1722 | ret |= extract64(r1 + 1, 0, 16) << 16; \ | |
1723 | } else { \ | |
1724 | ret |= r1 & 0xffffffff0000ull; \ | |
1725 | } \ | |
1726 | return ret; \ | |
1727 | } | |
d5de7839 BK |
1728 | |
1729 | EXTREMA_H_B(max, >) | |
1730 | EXTREMA_H_B(min, <) | |
1731 | ||
1732 | #undef EXTREMA_H_B | |
1733 | ||
0b79a781 BK |
1734 | uint32_t helper_clo_h(target_ulong r1) |
1735 | { | |
1736 | uint32_t ret_hw0 = extract32(r1, 0, 16); | |
1737 | uint32_t ret_hw1 = extract32(r1, 16, 16); | |
1738 | ||
1739 | ret_hw0 = clo32(ret_hw0 << 16); | |
1740 | ret_hw1 = clo32(ret_hw1 << 16); | |
1741 | ||
1742 | if (ret_hw0 > 16) { | |
1743 | ret_hw0 = 16; | |
1744 | } | |
1745 | if (ret_hw1 > 16) { | |
1746 | ret_hw1 = 16; | |
1747 | } | |
1748 | ||
1749 | return ret_hw0 | (ret_hw1 << 16); | |
1750 | } | |
1751 | ||
0b79a781 BK |
1752 | uint32_t helper_clz_h(target_ulong r1) |
1753 | { | |
1754 | uint32_t ret_hw0 = extract32(r1, 0, 16); | |
1755 | uint32_t ret_hw1 = extract32(r1, 16, 16); | |
1756 | ||
1757 | ret_hw0 = clz32(ret_hw0 << 16); | |
1758 | ret_hw1 = clz32(ret_hw1 << 16); | |
1759 | ||
1760 | if (ret_hw0 > 16) { | |
1761 | ret_hw0 = 16; | |
1762 | } | |
1763 | if (ret_hw1 > 16) { | |
1764 | ret_hw1 = 16; | |
1765 | } | |
1766 | ||
1767 | return ret_hw0 | (ret_hw1 << 16); | |
1768 | } | |
1769 | ||
0b79a781 BK |
1770 | uint32_t helper_cls_h(target_ulong r1) |
1771 | { | |
1772 | uint32_t ret_hw0 = extract32(r1, 0, 16); | |
1773 | uint32_t ret_hw1 = extract32(r1, 16, 16); | |
1774 | ||
1775 | ret_hw0 = clrsb32(ret_hw0 << 16); | |
1776 | ret_hw1 = clrsb32(ret_hw1 << 16); | |
1777 | ||
1778 | if (ret_hw0 > 15) { | |
1779 | ret_hw0 = 15; | |
1780 | } | |
1781 | if (ret_hw1 > 15) { | |
1782 | ret_hw1 = 15; | |
1783 | } | |
1784 | ||
1785 | return ret_hw0 | (ret_hw1 << 16); | |
1786 | } | |
1787 | ||
1788 | uint32_t helper_sh(target_ulong r1, target_ulong r2) | |
1789 | { | |
1790 | int32_t shift_count = sextract32(r2, 0, 6); | |
1791 | ||
1792 | if (shift_count == -32) { | |
1793 | return 0; | |
1794 | } else if (shift_count < 0) { | |
1795 | return r1 >> -shift_count; | |
1796 | } else { | |
1797 | return r1 << shift_count; | |
1798 | } | |
1799 | } | |
1800 | ||
1801 | uint32_t helper_sh_h(target_ulong r1, target_ulong r2) | |
1802 | { | |
1803 | int32_t ret_hw0, ret_hw1; | |
1804 | int32_t shift_count; | |
1805 | ||
1806 | shift_count = sextract32(r2, 0, 5); | |
1807 | ||
1808 | if (shift_count == -16) { | |
1809 | return 0; | |
1810 | } else if (shift_count < 0) { | |
1811 | ret_hw0 = extract32(r1, 0, 16) >> -shift_count; | |
1812 | ret_hw1 = extract32(r1, 16, 16) >> -shift_count; | |
1813 | return (ret_hw0 & 0xffff) | (ret_hw1 << 16); | |
1814 | } else { | |
1815 | ret_hw0 = extract32(r1, 0, 16) << shift_count; | |
1816 | ret_hw1 = extract32(r1, 16, 16) << shift_count; | |
1817 | return (ret_hw0 & 0xffff) | (ret_hw1 << 16); | |
1818 | } | |
1819 | } | |
1820 | ||
1821 | uint32_t helper_sha(CPUTriCoreState *env, target_ulong r1, target_ulong r2) | |
1822 | { | |
1823 | int32_t shift_count; | |
1824 | int64_t result, t1; | |
1825 | uint32_t ret; | |
1826 | ||
1827 | shift_count = sextract32(r2, 0, 6); | |
1828 | t1 = sextract32(r1, 0, 32); | |
1829 | ||
1830 | if (shift_count == 0) { | |
1831 | env->PSW_USB_C = env->PSW_USB_V = 0; | |
1832 | ret = r1; | |
1833 | } else if (shift_count == -32) { | |
1834 | env->PSW_USB_C = r1; | |
1835 | env->PSW_USB_V = 0; | |
1836 | ret = t1 >> 31; | |
1837 | } else if (shift_count > 0) { | |
1838 | result = t1 << shift_count; | |
1839 | /* calc carry */ | |
452e3d49 | 1840 | env->PSW_USB_C = ((result & 0xffffffff00000000ULL) != 0); |
0b79a781 BK |
1841 | /* calc v */ |
1842 | env->PSW_USB_V = (((result > 0x7fffffffLL) || | |
1843 | (result < -0x80000000LL)) << 31); | |
1844 | /* calc sv */ | |
1845 | env->PSW_USB_SV |= env->PSW_USB_V; | |
1846 | ret = (uint32_t)result; | |
1847 | } else { | |
1848 | env->PSW_USB_V = 0; | |
1849 | env->PSW_USB_C = (r1 & ((1 << -shift_count) - 1)); | |
1850 | ret = t1 >> -shift_count; | |
1851 | } | |
1852 | ||
1853 | env->PSW_USB_AV = ret ^ ret * 2u; | |
1854 | env->PSW_USB_SAV |= env->PSW_USB_AV; | |
1855 | ||
1856 | return ret; | |
1857 | } | |
1858 | ||
1859 | uint32_t helper_sha_h(target_ulong r1, target_ulong r2) | |
1860 | { | |
1861 | int32_t shift_count; | |
1862 | int32_t ret_hw0, ret_hw1; | |
1863 | ||
1864 | shift_count = sextract32(r2, 0, 5); | |
1865 | ||
1866 | if (shift_count == 0) { | |
1867 | return r1; | |
1868 | } else if (shift_count < 0) { | |
1869 | ret_hw0 = sextract32(r1, 0, 16) >> -shift_count; | |
1870 | ret_hw1 = sextract32(r1, 16, 16) >> -shift_count; | |
1871 | return (ret_hw0 & 0xffff) | (ret_hw1 << 16); | |
1872 | } else { | |
1873 | ret_hw0 = sextract32(r1, 0, 16) << shift_count; | |
1874 | ret_hw1 = sextract32(r1, 16, 16) << shift_count; | |
1875 | return (ret_hw0 & 0xffff) | (ret_hw1 << 16); | |
1876 | } | |
1877 | } | |
1878 | ||
e2bed107 BK |
1879 | uint32_t helper_bmerge(target_ulong r1, target_ulong r2) |
1880 | { | |
1881 | uint32_t i, ret; | |
1882 | ||
1883 | ret = 0; | |
1884 | for (i = 0; i < 16; i++) { | |
1885 | ret |= (r1 & 1) << (2 * i + 1); | |
1886 | ret |= (r2 & 1) << (2 * i); | |
1887 | r1 = r1 >> 1; | |
1888 | r2 = r2 >> 1; | |
1889 | } | |
1890 | return ret; | |
1891 | } | |
1892 | ||
1893 | uint64_t helper_bsplit(uint32_t r1) | |
1894 | { | |
1895 | int32_t i; | |
1896 | uint64_t ret; | |
1897 | ||
1898 | ret = 0; | |
1899 | for (i = 0; i < 32; i = i + 2) { | |
1900 | /* even */ | |
1901 | ret |= (r1 & 1) << (i/2); | |
1902 | r1 = r1 >> 1; | |
1903 | /* odd */ | |
1904 | ret |= (uint64_t)(r1 & 1) << (i/2 + 32); | |
1905 | r1 = r1 >> 1; | |
1906 | } | |
1907 | return ret; | |
1908 | } | |
1909 | ||
1910 | uint32_t helper_parity(target_ulong r1) | |
1911 | { | |
1912 | uint32_t ret; | |
1913 | uint32_t nOnes, i; | |
1914 | ||
1915 | ret = 0; | |
1916 | nOnes = 0; | |
1917 | for (i = 0; i < 8; i++) { | |
1918 | ret ^= (r1 & 1); | |
1919 | r1 = r1 >> 1; | |
1920 | } | |
1921 | /* second byte */ | |
1922 | nOnes = 0; | |
1923 | for (i = 0; i < 8; i++) { | |
1924 | nOnes ^= (r1 & 1); | |
1925 | r1 = r1 >> 1; | |
1926 | } | |
1927 | ret |= nOnes << 8; | |
1928 | /* third byte */ | |
1929 | nOnes = 0; | |
1930 | for (i = 0; i < 8; i++) { | |
1931 | nOnes ^= (r1 & 1); | |
1932 | r1 = r1 >> 1; | |
1933 | } | |
1934 | ret |= nOnes << 16; | |
1935 | /* fourth byte */ | |
1936 | nOnes = 0; | |
1937 | for (i = 0; i < 8; i++) { | |
1938 | nOnes ^= (r1 & 1); | |
1939 | r1 = r1 >> 1; | |
1940 | } | |
1941 | ret |= nOnes << 24; | |
1942 | ||
1943 | return ret; | |
1944 | } | |
1945 | ||
09532255 BK |
1946 | uint32_t helper_pack(uint32_t carry, uint32_t r1_low, uint32_t r1_high, |
1947 | target_ulong r2) | |
1948 | { | |
1949 | uint32_t ret; | |
1950 | int32_t fp_exp, fp_frac, temp_exp, fp_exp_frac; | |
1951 | int32_t int_exp = r1_high; | |
1952 | int32_t int_mant = r1_low; | |
1953 | uint32_t flag_rnd = (int_mant & (1 << 7)) && ( | |
1954 | (int_mant & (1 << 8)) || | |
1955 | (int_mant & 0x7f) || | |
1956 | (carry != 0)); | |
1957 | if (((int_mant & (1<<31)) == 0) && (int_exp == 255)) { | |
1958 | fp_exp = 255; | |
1959 | fp_frac = extract32(int_mant, 8, 23); | |
1960 | } else if ((int_mant & (1<<31)) && (int_exp >= 127)) { | |
1961 | fp_exp = 255; | |
1962 | fp_frac = 0; | |
1963 | } else if ((int_mant & (1<<31)) && (int_exp <= -128)) { | |
1964 | fp_exp = 0; | |
1965 | fp_frac = 0; | |
1966 | } else if (int_mant == 0) { | |
1967 | fp_exp = 0; | |
1968 | fp_frac = 0; | |
1969 | } else { | |
1970 | if (((int_mant & (1 << 31)) == 0)) { | |
1971 | temp_exp = 0; | |
1972 | } else { | |
1973 | temp_exp = int_exp + 128; | |
1974 | } | |
1975 | fp_exp_frac = (((temp_exp & 0xff) << 23) | | |
1976 | extract32(int_mant, 8, 23)) | |
1977 | + flag_rnd; | |
1978 | fp_exp = extract32(fp_exp_frac, 23, 8); | |
1979 | fp_frac = extract32(fp_exp_frac, 0, 23); | |
1980 | } | |
1981 | ret = r2 & (1 << 31); | |
1982 | ret = ret + (fp_exp << 23); | |
1983 | ret = ret + (fp_frac & 0x7fffff); | |
1984 | ||
1985 | return ret; | |
1986 | } | |
1987 | ||
e2bed107 BK |
1988 | uint64_t helper_unpack(target_ulong arg1) |
1989 | { | |
1990 | int32_t fp_exp = extract32(arg1, 23, 8); | |
1991 | int32_t fp_frac = extract32(arg1, 0, 23); | |
1992 | uint64_t ret; | |
1993 | int32_t int_exp, int_mant; | |
1994 | ||
1995 | if (fp_exp == 255) { | |
1996 | int_exp = 255; | |
1997 | int_mant = (fp_frac << 7); | |
1998 | } else if ((fp_exp == 0) && (fp_frac == 0)) { | |
1999 | int_exp = -127; | |
2000 | int_mant = 0; | |
2001 | } else if ((fp_exp == 0) && (fp_frac != 0)) { | |
2002 | int_exp = -126; | |
2003 | int_mant = (fp_frac << 7); | |
2004 | } else { | |
2005 | int_exp = fp_exp - 127; | |
2006 | int_mant = (fp_frac << 7); | |
2007 | int_mant |= (1 << 30); | |
2008 | } | |
2009 | ret = int_exp; | |
2010 | ret = ret << 32; | |
2011 | ret |= int_mant; | |
2012 | ||
2013 | return ret; | |
2014 | } | |
2015 | ||
2016 | uint64_t helper_dvinit_b_13(CPUTriCoreState *env, uint32_t r1, uint32_t r2) | |
2017 | { | |
2018 | uint64_t ret; | |
f69c24e4 | 2019 | int32_t abs_sig_dividend, abs_divisor; |
e2bed107 BK |
2020 | |
2021 | ret = sextract32(r1, 0, 32); | |
2022 | ret = ret << 24; | |
e2bed107 BK |
2023 | if (!((r1 & 0x80000000) == (r2 & 0x80000000))) { |
2024 | ret |= 0xffffff; | |
e2bed107 BK |
2025 | } |
2026 | ||
f69c24e4 | 2027 | abs_sig_dividend = abs((int32_t)r1) >> 8; |
30a0d72f | 2028 | abs_divisor = abs((int32_t)r2); |
f69c24e4 BK |
2029 | /* calc overflow |
2030 | ofv if (a/b >= 255) <=> (a/255 >= b) */ | |
2031 | env->PSW_USB_V = (abs_sig_dividend >= abs_divisor) << 31; | |
e2bed107 BK |
2032 | env->PSW_USB_V = env->PSW_USB_V << 31; |
2033 | env->PSW_USB_SV |= env->PSW_USB_V; | |
2034 | env->PSW_USB_AV = 0; | |
2035 | ||
2036 | return ret; | |
2037 | } | |
2038 | ||
2039 | uint64_t helper_dvinit_b_131(CPUTriCoreState *env, uint32_t r1, uint32_t r2) | |
2040 | { | |
2041 | uint64_t ret = sextract32(r1, 0, 32); | |
2042 | ||
2043 | ret = ret << 24; | |
2044 | if (!((r1 & 0x80000000) == (r2 & 0x80000000))) { | |
2045 | ret |= 0xffffff; | |
2046 | } | |
2047 | /* calc overflow */ | |
2048 | env->PSW_USB_V = ((r2 == 0) || ((r2 == 0xffffffff) && (r1 == 0xffffff80))); | |
2049 | env->PSW_USB_V = env->PSW_USB_V << 31; | |
2050 | env->PSW_USB_SV |= env->PSW_USB_V; | |
2051 | env->PSW_USB_AV = 0; | |
2052 | ||
2053 | return ret; | |
2054 | } | |
2055 | ||
2056 | uint64_t helper_dvinit_h_13(CPUTriCoreState *env, uint32_t r1, uint32_t r2) | |
2057 | { | |
2058 | uint64_t ret; | |
f69c24e4 | 2059 | int32_t abs_sig_dividend, abs_divisor; |
e2bed107 BK |
2060 | |
2061 | ret = sextract32(r1, 0, 32); | |
2062 | ret = ret << 16; | |
e2bed107 BK |
2063 | if (!((r1 & 0x80000000) == (r2 & 0x80000000))) { |
2064 | ret |= 0xffff; | |
e2bed107 BK |
2065 | } |
2066 | ||
f69c24e4 | 2067 | abs_sig_dividend = abs((int32_t)r1) >> 16; |
30a0d72f | 2068 | abs_divisor = abs((int32_t)r2); |
f69c24e4 BK |
2069 | /* calc overflow |
2070 | ofv if (a/b >= 0xffff) <=> (a/0xffff >= b) */ | |
2071 | env->PSW_USB_V = (abs_sig_dividend >= abs_divisor) << 31; | |
e2bed107 BK |
2072 | env->PSW_USB_V = env->PSW_USB_V << 31; |
2073 | env->PSW_USB_SV |= env->PSW_USB_V; | |
2074 | env->PSW_USB_AV = 0; | |
2075 | ||
2076 | return ret; | |
2077 | } | |
2078 | ||
2079 | uint64_t helper_dvinit_h_131(CPUTriCoreState *env, uint32_t r1, uint32_t r2) | |
2080 | { | |
2081 | uint64_t ret = sextract32(r1, 0, 32); | |
2082 | ||
2083 | ret = ret << 16; | |
2084 | if (!((r1 & 0x80000000) == (r2 & 0x80000000))) { | |
2085 | ret |= 0xffff; | |
2086 | } | |
2087 | /* calc overflow */ | |
2088 | env->PSW_USB_V = ((r2 == 0) || ((r2 == 0xffffffff) && (r1 == 0xffff8000))); | |
2089 | env->PSW_USB_V = env->PSW_USB_V << 31; | |
2090 | env->PSW_USB_SV |= env->PSW_USB_V; | |
2091 | env->PSW_USB_AV = 0; | |
2092 | ||
2093 | return ret; | |
2094 | } | |
2095 | ||
09532255 BK |
2096 | uint64_t helper_dvadj(uint64_t r1, uint32_t r2) |
2097 | { | |
2098 | int32_t x_sign = (r1 >> 63); | |
2099 | int32_t q_sign = x_sign ^ (r2 >> 31); | |
2100 | int32_t eq_pos = x_sign & ((r1 >> 32) == r2); | |
2101 | int32_t eq_neg = x_sign & ((r1 >> 32) == -r2); | |
2102 | uint32_t quotient; | |
9be38598 | 2103 | uint64_t remainder; |
09532255 BK |
2104 | |
2105 | if ((q_sign & ~eq_neg) | eq_pos) { | |
2106 | quotient = (r1 + 1) & 0xffffffff; | |
2107 | } else { | |
2108 | quotient = r1 & 0xffffffff; | |
2109 | } | |
2110 | ||
2111 | if (eq_pos | eq_neg) { | |
2112 | remainder = 0; | |
2113 | } else { | |
2114 | remainder = (r1 & 0xffffffff00000000ull); | |
2115 | } | |
9be38598 | 2116 | return remainder | quotient; |
09532255 BK |
2117 | } |
2118 | ||
2119 | uint64_t helper_dvstep(uint64_t r1, uint32_t r2) | |
2120 | { | |
2121 | int32_t dividend_sign = extract64(r1, 63, 1); | |
2122 | int32_t divisor_sign = extract32(r2, 31, 1); | |
2123 | int32_t quotient_sign = (dividend_sign != divisor_sign); | |
2124 | int32_t addend, dividend_quotient, remainder; | |
2125 | int32_t i, temp; | |
2126 | ||
2127 | if (quotient_sign) { | |
2128 | addend = r2; | |
2129 | } else { | |
2130 | addend = -r2; | |
2131 | } | |
2132 | dividend_quotient = (int32_t)r1; | |
2133 | remainder = (int32_t)(r1 >> 32); | |
2134 | ||
2135 | for (i = 0; i < 8; i++) { | |
2136 | remainder = (remainder << 1) | extract32(dividend_quotient, 31, 1); | |
2137 | dividend_quotient <<= 1; | |
2138 | temp = remainder + addend; | |
2139 | if ((temp < 0) == dividend_sign) { | |
2140 | remainder = temp; | |
2141 | } | |
2142 | if (((temp < 0) == dividend_sign)) { | |
2143 | dividend_quotient = dividend_quotient | !quotient_sign; | |
2144 | } else { | |
2145 | dividend_quotient = dividend_quotient | quotient_sign; | |
2146 | } | |
2147 | } | |
2148 | return ((uint64_t)remainder << 32) | (uint32_t)dividend_quotient; | |
2149 | } | |
2150 | ||
2151 | uint64_t helper_dvstep_u(uint64_t r1, uint32_t r2) | |
2152 | { | |
2153 | int32_t dividend_quotient = extract64(r1, 0, 32); | |
2154 | int64_t remainder = extract64(r1, 32, 32); | |
2155 | int32_t i; | |
2156 | int64_t temp; | |
2157 | for (i = 0; i < 8; i++) { | |
2158 | remainder = (remainder << 1) | extract32(dividend_quotient, 31, 1); | |
2159 | dividend_quotient <<= 1; | |
2160 | temp = (remainder & 0xffffffff) - r2; | |
2161 | if (temp >= 0) { | |
2162 | remainder = temp; | |
2163 | } | |
2164 | dividend_quotient = dividend_quotient | !(temp < 0); | |
2165 | } | |
2166 | return ((uint64_t)remainder << 32) | (uint32_t)dividend_quotient; | |
2167 | } | |
2168 | ||
93715571 BK |
2169 | uint64_t helper_divide(CPUTriCoreState *env, uint32_t r1, uint32_t r2) |
2170 | { | |
2171 | int32_t quotient, remainder; | |
2172 | int32_t dividend = (int32_t)r1; | |
2173 | int32_t divisor = (int32_t)r2; | |
2174 | ||
2175 | if (divisor == 0) { | |
2176 | if (dividend >= 0) { | |
2177 | quotient = 0x7fffffff; | |
2178 | remainder = 0; | |
2179 | } else { | |
2180 | quotient = 0x80000000; | |
2181 | remainder = 0; | |
2182 | } | |
2183 | env->PSW_USB_V = (1 << 31); | |
2184 | } else if ((divisor == 0xffffffff) && (dividend == 0x80000000)) { | |
2185 | quotient = 0x7fffffff; | |
2186 | remainder = 0; | |
2187 | env->PSW_USB_V = (1 << 31); | |
2188 | } else { | |
2189 | remainder = dividend % divisor; | |
2190 | quotient = (dividend - remainder)/divisor; | |
2191 | env->PSW_USB_V = 0; | |
2192 | } | |
2193 | env->PSW_USB_SV |= env->PSW_USB_V; | |
2194 | env->PSW_USB_AV = 0; | |
2195 | return ((uint64_t)remainder << 32) | (uint32_t)quotient; | |
2196 | } | |
2197 | ||
2198 | uint64_t helper_divide_u(CPUTriCoreState *env, uint32_t r1, uint32_t r2) | |
2199 | { | |
2200 | uint32_t quotient, remainder; | |
2201 | uint32_t dividend = r1; | |
2202 | uint32_t divisor = r2; | |
2203 | ||
2204 | if (divisor == 0) { | |
2205 | quotient = 0xffffffff; | |
2206 | remainder = 0; | |
2207 | env->PSW_USB_V = (1 << 31); | |
2208 | } else { | |
2209 | remainder = dividend % divisor; | |
2210 | quotient = (dividend - remainder)/divisor; | |
2211 | env->PSW_USB_V = 0; | |
2212 | } | |
2213 | env->PSW_USB_SV |= env->PSW_USB_V; | |
2214 | env->PSW_USB_AV = 0; | |
2215 | return ((uint64_t)remainder << 32) | quotient; | |
2216 | } | |
2217 | ||
9655b932 BK |
2218 | uint64_t helper_mul_h(uint32_t arg00, uint32_t arg01, |
2219 | uint32_t arg10, uint32_t arg11, uint32_t n) | |
2220 | { | |
9655b932 BK |
2221 | uint32_t result0, result1; |
2222 | ||
2223 | int32_t sc1 = ((arg00 & 0xffff) == 0x8000) && | |
2224 | ((arg10 & 0xffff) == 0x8000) && (n == 1); | |
2225 | int32_t sc0 = ((arg01 & 0xffff) == 0x8000) && | |
2226 | ((arg11 & 0xffff) == 0x8000) && (n == 1); | |
2227 | if (sc1) { | |
2228 | result1 = 0x7fffffff; | |
2229 | } else { | |
2230 | result1 = (((uint32_t)(arg00 * arg10)) << n); | |
2231 | } | |
2232 | if (sc0) { | |
2233 | result0 = 0x7fffffff; | |
2234 | } else { | |
2235 | result0 = (((uint32_t)(arg01 * arg11)) << n); | |
2236 | } | |
9be38598 | 2237 | return (((uint64_t)result1 << 32)) | result0; |
9655b932 BK |
2238 | } |
2239 | ||
2240 | uint64_t helper_mulm_h(uint32_t arg00, uint32_t arg01, | |
2241 | uint32_t arg10, uint32_t arg11, uint32_t n) | |
2242 | { | |
2243 | uint64_t ret; | |
2244 | int64_t result0, result1; | |
2245 | ||
2246 | int32_t sc1 = ((arg00 & 0xffff) == 0x8000) && | |
2247 | ((arg10 & 0xffff) == 0x8000) && (n == 1); | |
2248 | int32_t sc0 = ((arg01 & 0xffff) == 0x8000) && | |
2249 | ((arg11 & 0xffff) == 0x8000) && (n == 1); | |
2250 | ||
2251 | if (sc1) { | |
2252 | result1 = 0x7fffffff; | |
2253 | } else { | |
2254 | result1 = (((int32_t)arg00 * (int32_t)arg10) << n); | |
2255 | } | |
2256 | if (sc0) { | |
2257 | result0 = 0x7fffffff; | |
2258 | } else { | |
2259 | result0 = (((int32_t)arg01 * (int32_t)arg11) << n); | |
2260 | } | |
2261 | ret = (result1 + result0); | |
2262 | ret = ret << 16; | |
2263 | return ret; | |
2264 | } | |
2265 | uint32_t helper_mulr_h(uint32_t arg00, uint32_t arg01, | |
2266 | uint32_t arg10, uint32_t arg11, uint32_t n) | |
2267 | { | |
2268 | uint32_t result0, result1; | |
2269 | ||
2270 | int32_t sc1 = ((arg00 & 0xffff) == 0x8000) && | |
2271 | ((arg10 & 0xffff) == 0x8000) && (n == 1); | |
2272 | int32_t sc0 = ((arg01 & 0xffff) == 0x8000) && | |
2273 | ((arg11 & 0xffff) == 0x8000) && (n == 1); | |
2274 | ||
2275 | if (sc1) { | |
2276 | result1 = 0x7fffffff; | |
2277 | } else { | |
2278 | result1 = ((arg00 * arg10) << n) + 0x8000; | |
2279 | } | |
2280 | if (sc0) { | |
2281 | result0 = 0x7fffffff; | |
2282 | } else { | |
2283 | result0 = ((arg01 * arg11) << n) + 0x8000; | |
2284 | } | |
2285 | return (result1 & 0xffff0000) | (result0 >> 16); | |
2286 | } | |
2287 | ||
e5c96c82 BK |
2288 | uint32_t helper_crc32(uint32_t arg0, uint32_t arg1) |
2289 | { | |
2290 | uint8_t buf[4]; | |
e5c96c82 BK |
2291 | stl_be_p(buf, arg0); |
2292 | ||
9be38598 | 2293 | return crc32(arg1, buf, 4); |
e5c96c82 BK |
2294 | } |
2295 | ||
9a31922b BK |
2296 | /* context save area (CSA) related helpers */ |
2297 | ||
2298 | static int cdc_increment(target_ulong *psw) | |
2299 | { | |
2300 | if ((*psw & MASK_PSW_CDC) == 0x7f) { | |
2301 | return 0; | |
2302 | } | |
2303 | ||
2304 | (*psw)++; | |
2305 | /* check for overflow */ | |
2306 | int lo = clo32((*psw & MASK_PSW_CDC) << (32 - 7)); | |
2307 | int mask = (1u << (7 - lo)) - 1; | |
2308 | int count = *psw & mask; | |
2309 | if (count == 0) { | |
2310 | (*psw)--; | |
2311 | return 1; | |
2312 | } | |
2313 | return 0; | |
2314 | } | |
2315 | ||
2316 | static int cdc_decrement(target_ulong *psw) | |
2317 | { | |
2318 | if ((*psw & MASK_PSW_CDC) == 0x7f) { | |
2319 | return 0; | |
2320 | } | |
2321 | /* check for underflow */ | |
2322 | int lo = clo32((*psw & MASK_PSW_CDC) << (32 - 7)); | |
2323 | int mask = (1u << (7 - lo)) - 1; | |
2324 | int count = *psw & mask; | |
2325 | if (count == 0) { | |
2326 | return 1; | |
2327 | } | |
2328 | (*psw)--; | |
2329 | return 0; | |
2330 | } | |
2331 | ||
44ea3430 BK |
2332 | static bool cdc_zero(target_ulong *psw) |
2333 | { | |
2334 | int cdc = *psw & MASK_PSW_CDC; | |
2335 | /* Returns TRUE if PSW.CDC.COUNT == 0 or if PSW.CDC == | |
2336 | 7'b1111111, otherwise returns FALSE. */ | |
2337 | if (cdc == 0x7f) { | |
2338 | return true; | |
2339 | } | |
2340 | /* find CDC.COUNT */ | |
2341 | int lo = clo32((*psw & MASK_PSW_CDC) << (32 - 7)); | |
2342 | int mask = (1u << (7 - lo)) - 1; | |
2343 | int count = *psw & mask; | |
2344 | return count == 0; | |
2345 | } | |
2346 | ||
030c58df | 2347 | static void save_context_upper(CPUTriCoreState *env, int ea) |
9a31922b | 2348 | { |
9a31922b | 2349 | cpu_stl_data(env, ea, env->PCXI); |
72373357 | 2350 | cpu_stl_data(env, ea+4, psw_read(env)); |
9a31922b BK |
2351 | cpu_stl_data(env, ea+8, env->gpr_a[10]); |
2352 | cpu_stl_data(env, ea+12, env->gpr_a[11]); | |
2353 | cpu_stl_data(env, ea+16, env->gpr_d[8]); | |
2354 | cpu_stl_data(env, ea+20, env->gpr_d[9]); | |
2355 | cpu_stl_data(env, ea+24, env->gpr_d[10]); | |
2356 | cpu_stl_data(env, ea+28, env->gpr_d[11]); | |
2357 | cpu_stl_data(env, ea+32, env->gpr_a[12]); | |
2358 | cpu_stl_data(env, ea+36, env->gpr_a[13]); | |
2359 | cpu_stl_data(env, ea+40, env->gpr_a[14]); | |
2360 | cpu_stl_data(env, ea+44, env->gpr_a[15]); | |
2361 | cpu_stl_data(env, ea+48, env->gpr_d[12]); | |
2362 | cpu_stl_data(env, ea+52, env->gpr_d[13]); | |
2363 | cpu_stl_data(env, ea+56, env->gpr_d[14]); | |
2364 | cpu_stl_data(env, ea+60, env->gpr_d[15]); | |
9a31922b BK |
2365 | } |
2366 | ||
030c58df | 2367 | static void save_context_lower(CPUTriCoreState *env, int ea) |
5de93515 | 2368 | { |
5de93515 | 2369 | cpu_stl_data(env, ea, env->PCXI); |
030c58df | 2370 | cpu_stl_data(env, ea+4, env->gpr_a[11]); |
5de93515 BK |
2371 | cpu_stl_data(env, ea+8, env->gpr_a[2]); |
2372 | cpu_stl_data(env, ea+12, env->gpr_a[3]); | |
2373 | cpu_stl_data(env, ea+16, env->gpr_d[0]); | |
2374 | cpu_stl_data(env, ea+20, env->gpr_d[1]); | |
2375 | cpu_stl_data(env, ea+24, env->gpr_d[2]); | |
2376 | cpu_stl_data(env, ea+28, env->gpr_d[3]); | |
2377 | cpu_stl_data(env, ea+32, env->gpr_a[4]); | |
2378 | cpu_stl_data(env, ea+36, env->gpr_a[5]); | |
2379 | cpu_stl_data(env, ea+40, env->gpr_a[6]); | |
2380 | cpu_stl_data(env, ea+44, env->gpr_a[7]); | |
2381 | cpu_stl_data(env, ea+48, env->gpr_d[4]); | |
2382 | cpu_stl_data(env, ea+52, env->gpr_d[5]); | |
2383 | cpu_stl_data(env, ea+56, env->gpr_d[6]); | |
2384 | cpu_stl_data(env, ea+60, env->gpr_d[7]); | |
2385 | } | |
2386 | ||
9a31922b BK |
2387 | static void restore_context_upper(CPUTriCoreState *env, int ea, |
2388 | target_ulong *new_PCXI, target_ulong *new_PSW) | |
2389 | { | |
2390 | *new_PCXI = cpu_ldl_data(env, ea); | |
2391 | *new_PSW = cpu_ldl_data(env, ea+4); | |
2392 | env->gpr_a[10] = cpu_ldl_data(env, ea+8); | |
2393 | env->gpr_a[11] = cpu_ldl_data(env, ea+12); | |
2394 | env->gpr_d[8] = cpu_ldl_data(env, ea+16); | |
2395 | env->gpr_d[9] = cpu_ldl_data(env, ea+20); | |
2396 | env->gpr_d[10] = cpu_ldl_data(env, ea+24); | |
2397 | env->gpr_d[11] = cpu_ldl_data(env, ea+28); | |
2398 | env->gpr_a[12] = cpu_ldl_data(env, ea+32); | |
2399 | env->gpr_a[13] = cpu_ldl_data(env, ea+36); | |
2400 | env->gpr_a[14] = cpu_ldl_data(env, ea+40); | |
2401 | env->gpr_a[15] = cpu_ldl_data(env, ea+44); | |
2402 | env->gpr_d[12] = cpu_ldl_data(env, ea+48); | |
2403 | env->gpr_d[13] = cpu_ldl_data(env, ea+52); | |
2404 | env->gpr_d[14] = cpu_ldl_data(env, ea+56); | |
2405 | env->gpr_d[15] = cpu_ldl_data(env, ea+60); | |
9a31922b BK |
2406 | } |
2407 | ||
59543d4e BK |
2408 | static void restore_context_lower(CPUTriCoreState *env, int ea, |
2409 | target_ulong *ra, target_ulong *pcxi) | |
2410 | { | |
2411 | *pcxi = cpu_ldl_data(env, ea); | |
2412 | *ra = cpu_ldl_data(env, ea+4); | |
2413 | env->gpr_a[2] = cpu_ldl_data(env, ea+8); | |
2414 | env->gpr_a[3] = cpu_ldl_data(env, ea+12); | |
2415 | env->gpr_d[0] = cpu_ldl_data(env, ea+16); | |
2416 | env->gpr_d[1] = cpu_ldl_data(env, ea+20); | |
2417 | env->gpr_d[2] = cpu_ldl_data(env, ea+24); | |
2418 | env->gpr_d[3] = cpu_ldl_data(env, ea+28); | |
2419 | env->gpr_a[4] = cpu_ldl_data(env, ea+32); | |
2420 | env->gpr_a[5] = cpu_ldl_data(env, ea+36); | |
2421 | env->gpr_a[6] = cpu_ldl_data(env, ea+40); | |
2422 | env->gpr_a[7] = cpu_ldl_data(env, ea+44); | |
2423 | env->gpr_d[4] = cpu_ldl_data(env, ea+48); | |
2424 | env->gpr_d[5] = cpu_ldl_data(env, ea+52); | |
2425 | env->gpr_d[6] = cpu_ldl_data(env, ea+56); | |
2426 | env->gpr_d[7] = cpu_ldl_data(env, ea+60); | |
2427 | } | |
2428 | ||
9a31922b BK |
2429 | void helper_call(CPUTriCoreState *env, uint32_t next_pc) |
2430 | { | |
2431 | target_ulong tmp_FCX; | |
2432 | target_ulong ea; | |
2433 | target_ulong new_FCX; | |
2434 | target_ulong psw; | |
2435 | ||
2436 | psw = psw_read(env); | |
2437 | /* if (FCX == 0) trap(FCU); */ | |
2438 | if (env->FCX == 0) { | |
2439 | /* FCU trap */ | |
3292b447 | 2440 | raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCU, GETPC()); |
9a31922b BK |
2441 | } |
2442 | /* if (PSW.CDE) then if (cdc_increment()) then trap(CDO); */ | |
2443 | if (psw & MASK_PSW_CDE) { | |
2444 | if (cdc_increment(&psw)) { | |
2445 | /* CDO trap */ | |
3292b447 | 2446 | raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CDO, GETPC()); |
9a31922b BK |
2447 | } |
2448 | } | |
2449 | /* PSW.CDE = 1;*/ | |
2450 | psw |= MASK_PSW_CDE; | |
2451 | /* tmp_FCX = FCX; */ | |
2452 | tmp_FCX = env->FCX; | |
2453 | /* EA = {FCX.FCXS, 6'b0, FCX.FCXO, 6'b0}; */ | |
2454 | ea = ((env->FCX & MASK_FCX_FCXS) << 12) + | |
2455 | ((env->FCX & MASK_FCX_FCXO) << 6); | |
030c58df BK |
2456 | /* new_FCX = M(EA, word); */ |
2457 | new_FCX = cpu_ldl_data(env, ea); | |
2458 | /* M(EA, 16 * word) = {PCXI, PSW, A[10], A[11], D[8], D[9], D[10], D[11], | |
2459 | A[12], A[13], A[14], A[15], D[12], D[13], D[14], | |
2460 | D[15]}; */ | |
2461 | save_context_upper(env, ea); | |
9a31922b BK |
2462 | |
2463 | /* PCXI.PCPN = ICR.CCPN; */ | |
2464 | env->PCXI = (env->PCXI & 0xffffff) + | |
2465 | ((env->ICR & MASK_ICR_CCPN) << 24); | |
2466 | /* PCXI.PIE = ICR.IE; */ | |
2467 | env->PCXI = ((env->PCXI & ~MASK_PCXI_PIE) + | |
2468 | ((env->ICR & MASK_ICR_IE) << 15)); | |
2469 | /* PCXI.UL = 1; */ | |
2470 | env->PCXI |= MASK_PCXI_UL; | |
2471 | ||
2472 | /* PCXI[19: 0] = FCX[19: 0]; */ | |
2473 | env->PCXI = (env->PCXI & 0xfff00000) + (env->FCX & 0xfffff); | |
2474 | /* FCX[19: 0] = new_FCX[19: 0]; */ | |
2475 | env->FCX = (env->FCX & 0xfff00000) + (new_FCX & 0xfffff); | |
2476 | /* A[11] = next_pc[31: 0]; */ | |
2477 | env->gpr_a[11] = next_pc; | |
2478 | ||
2479 | /* if (tmp_FCX == LCX) trap(FCD);*/ | |
2480 | if (tmp_FCX == env->LCX) { | |
2481 | /* FCD trap */ | |
3292b447 | 2482 | raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCD, GETPC()); |
9a31922b BK |
2483 | } |
2484 | psw_write(env, psw); | |
2485 | } | |
2486 | ||
2487 | void helper_ret(CPUTriCoreState *env) | |
2488 | { | |
2489 | target_ulong ea; | |
2490 | target_ulong new_PCXI; | |
2491 | target_ulong new_PSW, psw; | |
2492 | ||
2493 | psw = psw_read(env); | |
2494 | /* if (PSW.CDE) then if (cdc_decrement()) then trap(CDU);*/ | |
3292b447 BK |
2495 | if (psw & MASK_PSW_CDE) { |
2496 | if (cdc_decrement(&psw)) { | |
9a31922b | 2497 | /* CDU trap */ |
3292b447 BK |
2498 | psw_write(env, psw); |
2499 | raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CDU, GETPC()); | |
9a31922b BK |
2500 | } |
2501 | } | |
2502 | /* if (PCXI[19: 0] == 0) then trap(CSU); */ | |
2503 | if ((env->PCXI & 0xfffff) == 0) { | |
2504 | /* CSU trap */ | |
3292b447 BK |
2505 | psw_write(env, psw); |
2506 | raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CSU, GETPC()); | |
9a31922b BK |
2507 | } |
2508 | /* if (PCXI.UL == 0) then trap(CTYP); */ | |
2509 | if ((env->PCXI & MASK_PCXI_UL) == 0) { | |
2510 | /* CTYP trap */ | |
3292b447 BK |
2511 | cdc_increment(&psw); /* restore to the start of helper */ |
2512 | psw_write(env, psw); | |
2513 | raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CTYP, GETPC()); | |
9a31922b BK |
2514 | } |
2515 | /* PC = {A11 [31: 1], 1’b0}; */ | |
2516 | env->PC = env->gpr_a[11] & 0xfffffffe; | |
2517 | ||
2518 | /* EA = {PCXI.PCXS, 6'b0, PCXI.PCXO, 6'b0}; */ | |
2519 | ea = ((env->PCXI & MASK_PCXI_PCXS) << 12) + | |
2520 | ((env->PCXI & MASK_PCXI_PCXO) << 6); | |
2521 | /* {new_PCXI, new_PSW, A[10], A[11], D[8], D[9], D[10], D[11], A[12], | |
030c58df | 2522 | A[13], A[14], A[15], D[12], D[13], D[14], D[15]} = M(EA, 16 * word); */ |
9a31922b | 2523 | restore_context_upper(env, ea, &new_PCXI, &new_PSW); |
030c58df BK |
2524 | /* M(EA, word) = FCX; */ |
2525 | cpu_stl_data(env, ea, env->FCX); | |
9a31922b BK |
2526 | /* FCX[19: 0] = PCXI[19: 0]; */ |
2527 | env->FCX = (env->FCX & 0xfff00000) + (env->PCXI & 0x000fffff); | |
2528 | /* PCXI = new_PCXI; */ | |
2529 | env->PCXI = new_PCXI; | |
2530 | ||
2531 | if (tricore_feature(env, TRICORE_FEATURE_13)) { | |
2532 | /* PSW = new_PSW */ | |
2533 | psw_write(env, new_PSW); | |
2534 | } else { | |
2535 | /* PSW = {new_PSW[31:26], PSW[25:24], new_PSW[23:0]}; */ | |
2536 | psw_write(env, (new_PSW & ~(0x3000000)) + (psw & (0x3000000))); | |
2537 | } | |
2538 | } | |
2539 | ||
5de93515 BK |
2540 | void helper_bisr(CPUTriCoreState *env, uint32_t const9) |
2541 | { | |
2542 | target_ulong tmp_FCX; | |
2543 | target_ulong ea; | |
2544 | target_ulong new_FCX; | |
2545 | ||
2546 | if (env->FCX == 0) { | |
2547 | /* FCU trap */ | |
3292b447 | 2548 | raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCU, GETPC()); |
5de93515 BK |
2549 | } |
2550 | ||
2551 | tmp_FCX = env->FCX; | |
2552 | ea = ((env->FCX & 0xf0000) << 12) + ((env->FCX & 0xffff) << 6); | |
2553 | ||
030c58df BK |
2554 | /* new_FCX = M(EA, word); */ |
2555 | new_FCX = cpu_ldl_data(env, ea); | |
2556 | /* M(EA, 16 * word) = {PCXI, A[11], A[2], A[3], D[0], D[1], D[2], D[3], A[4] | |
2557 | , A[5], A[6], A[7], D[4], D[5], D[6], D[7]}; */ | |
2558 | save_context_lower(env, ea); | |
2559 | ||
5de93515 BK |
2560 | |
2561 | /* PCXI.PCPN = ICR.CCPN */ | |
2562 | env->PCXI = (env->PCXI & 0xffffff) + | |
2563 | ((env->ICR & MASK_ICR_CCPN) << 24); | |
2564 | /* PCXI.PIE = ICR.IE */ | |
2565 | env->PCXI = ((env->PCXI & ~MASK_PCXI_PIE) + | |
2566 | ((env->ICR & MASK_ICR_IE) << 15)); | |
2567 | /* PCXI.UL = 0 */ | |
2568 | env->PCXI &= ~(MASK_PCXI_UL); | |
2569 | /* PCXI[19: 0] = FCX[19: 0] */ | |
2570 | env->PCXI = (env->PCXI & 0xfff00000) + (env->FCX & 0xfffff); | |
2571 | /* FXC[19: 0] = new_FCX[19: 0] */ | |
2572 | env->FCX = (env->FCX & 0xfff00000) + (new_FCX & 0xfffff); | |
2573 | /* ICR.IE = 1 */ | |
2574 | env->ICR |= MASK_ICR_IE; | |
2575 | ||
2576 | env->ICR |= const9; /* ICR.CCPN = const9[7: 0];*/ | |
2577 | ||
2578 | if (tmp_FCX == env->LCX) { | |
2579 | /* FCD trap */ | |
3292b447 | 2580 | raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCD, GETPC()); |
5de93515 BK |
2581 | } |
2582 | } | |
2583 | ||
44ea3430 BK |
2584 | void helper_rfe(CPUTriCoreState *env) |
2585 | { | |
2586 | target_ulong ea; | |
2587 | target_ulong new_PCXI; | |
2588 | target_ulong new_PSW; | |
2589 | /* if (PCXI[19: 0] == 0) then trap(CSU); */ | |
2590 | if ((env->PCXI & 0xfffff) == 0) { | |
2591 | /* raise csu trap */ | |
3292b447 | 2592 | raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CSU, GETPC()); |
44ea3430 BK |
2593 | } |
2594 | /* if (PCXI.UL == 0) then trap(CTYP); */ | |
2595 | if ((env->PCXI & MASK_PCXI_UL) == 0) { | |
2596 | /* raise CTYP trap */ | |
3292b447 | 2597 | raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CTYP, GETPC()); |
44ea3430 BK |
2598 | } |
2599 | /* if (!cdc_zero() AND PSW.CDE) then trap(NEST); */ | |
2600 | if (!cdc_zero(&(env->PSW)) && (env->PSW & MASK_PSW_CDE)) { | |
3292b447 BK |
2601 | /* raise NEST trap */ |
2602 | raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_NEST, GETPC()); | |
44ea3430 | 2603 | } |
3446a111 | 2604 | env->PC = env->gpr_a[11] & ~0x1; |
44ea3430 BK |
2605 | /* ICR.IE = PCXI.PIE; */ |
2606 | env->ICR = (env->ICR & ~MASK_ICR_IE) + ((env->PCXI & MASK_PCXI_PIE) >> 15); | |
2607 | /* ICR.CCPN = PCXI.PCPN; */ | |
2608 | env->ICR = (env->ICR & ~MASK_ICR_CCPN) + | |
2609 | ((env->PCXI & MASK_PCXI_PCPN) >> 24); | |
2610 | /*EA = {PCXI.PCXS, 6'b0, PCXI.PCXO, 6'b0};*/ | |
2611 | ea = ((env->PCXI & MASK_PCXI_PCXS) << 12) + | |
2612 | ((env->PCXI & MASK_PCXI_PCXO) << 6); | |
2613 | /*{new_PCXI, PSW, A[10], A[11], D[8], D[9], D[10], D[11], A[12], | |
030c58df | 2614 | A[13], A[14], A[15], D[12], D[13], D[14], D[15]} = M(EA, 16 * word); */ |
44ea3430 | 2615 | restore_context_upper(env, ea, &new_PCXI, &new_PSW); |
030c58df BK |
2616 | /* M(EA, word) = FCX;*/ |
2617 | cpu_stl_data(env, ea, env->FCX); | |
44ea3430 BK |
2618 | /* FCX[19: 0] = PCXI[19: 0]; */ |
2619 | env->FCX = (env->FCX & 0xfff00000) + (env->PCXI & 0x000fffff); | |
2620 | /* PCXI = new_PCXI; */ | |
2621 | env->PCXI = new_PCXI; | |
2622 | /* write psw */ | |
2623 | psw_write(env, new_PSW); | |
2624 | } | |
2625 | ||
b724b012 BK |
2626 | void helper_rfm(CPUTriCoreState *env) |
2627 | { | |
2628 | env->PC = (env->gpr_a[11] & ~0x1); | |
2629 | /* ICR.IE = PCXI.PIE; */ | |
2630 | env->ICR = (env->ICR & ~MASK_ICR_IE) | | |
5f37fd8e | 2631 | ((env->PCXI & MASK_PCXI_PIE) >> 15); |
b724b012 BK |
2632 | /* ICR.CCPN = PCXI.PCPN; */ |
2633 | env->ICR = (env->ICR & ~MASK_ICR_CCPN) | | |
5f37fd8e | 2634 | ((env->PCXI & MASK_PCXI_PCPN) >> 24); |
b724b012 BK |
2635 | /* {PCXI, PSW, A[10], A[11]} = M(DCX, 4 * word); */ |
2636 | env->PCXI = cpu_ldl_data(env, env->DCX); | |
2637 | psw_write(env, cpu_ldl_data(env, env->DCX+4)); | |
2638 | env->gpr_a[10] = cpu_ldl_data(env, env->DCX+8); | |
2639 | env->gpr_a[11] = cpu_ldl_data(env, env->DCX+12); | |
2640 | ||
2641 | if (tricore_feature(env, TRICORE_FEATURE_131)) { | |
2642 | env->DBGTCR = 0; | |
2643 | } | |
2644 | } | |
2645 | ||
59543d4e BK |
2646 | void helper_ldlcx(CPUTriCoreState *env, uint32_t ea) |
2647 | { | |
2648 | uint32_t dummy; | |
2649 | /* insn doesn't load PCXI and RA */ | |
2650 | restore_context_lower(env, ea, &dummy, &dummy); | |
2651 | } | |
2652 | ||
2653 | void helper_lducx(CPUTriCoreState *env, uint32_t ea) | |
2654 | { | |
2655 | uint32_t dummy; | |
2656 | /* insn doesn't load PCXI and PSW */ | |
2657 | restore_context_upper(env, ea, &dummy, &dummy); | |
2658 | } | |
2659 | ||
2660 | void helper_stlcx(CPUTriCoreState *env, uint32_t ea) | |
2661 | { | |
2662 | save_context_lower(env, ea); | |
2663 | } | |
2664 | ||
2665 | void helper_stucx(CPUTriCoreState *env, uint32_t ea) | |
2666 | { | |
2667 | save_context_upper(env, ea); | |
2668 | } | |
2669 | ||
b724b012 BK |
2670 | void helper_svlcx(CPUTriCoreState *env) |
2671 | { | |
2672 | target_ulong tmp_FCX; | |
2673 | target_ulong ea; | |
2674 | target_ulong new_FCX; | |
2675 | ||
2676 | if (env->FCX == 0) { | |
2677 | /* FCU trap */ | |
3292b447 | 2678 | raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCU, GETPC()); |
b724b012 BK |
2679 | } |
2680 | /* tmp_FCX = FCX; */ | |
2681 | tmp_FCX = env->FCX; | |
2682 | /* EA = {FCX.FCXS, 6'b0, FCX.FCXO, 6'b0}; */ | |
2683 | ea = ((env->FCX & MASK_FCX_FCXS) << 12) + | |
2684 | ((env->FCX & MASK_FCX_FCXO) << 6); | |
2685 | /* new_FCX = M(EA, word); */ | |
2686 | new_FCX = cpu_ldl_data(env, ea); | |
2687 | /* M(EA, 16 * word) = {PCXI, PSW, A[10], A[11], D[8], D[9], D[10], D[11], | |
2688 | A[12], A[13], A[14], A[15], D[12], D[13], D[14], | |
2689 | D[15]}; */ | |
2690 | save_context_lower(env, ea); | |
2691 | ||
2692 | /* PCXI.PCPN = ICR.CCPN; */ | |
2693 | env->PCXI = (env->PCXI & 0xffffff) + | |
2694 | ((env->ICR & MASK_ICR_CCPN) << 24); | |
2695 | /* PCXI.PIE = ICR.IE; */ | |
2696 | env->PCXI = ((env->PCXI & ~MASK_PCXI_PIE) + | |
2697 | ((env->ICR & MASK_ICR_IE) << 15)); | |
2698 | /* PCXI.UL = 0; */ | |
2699 | env->PCXI &= ~MASK_PCXI_UL; | |
2700 | ||
2701 | /* PCXI[19: 0] = FCX[19: 0]; */ | |
2702 | env->PCXI = (env->PCXI & 0xfff00000) + (env->FCX & 0xfffff); | |
2703 | /* FCX[19: 0] = new_FCX[19: 0]; */ | |
2704 | env->FCX = (env->FCX & 0xfff00000) + (new_FCX & 0xfffff); | |
2705 | ||
2706 | /* if (tmp_FCX == LCX) trap(FCD);*/ | |
2707 | if (tmp_FCX == env->LCX) { | |
2708 | /* FCD trap */ | |
3292b447 | 2709 | raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCD, GETPC()); |
b724b012 BK |
2710 | } |
2711 | } | |
2712 | ||
518d7fd2 BK |
2713 | void helper_svucx(CPUTriCoreState *env) |
2714 | { | |
2715 | target_ulong tmp_FCX; | |
2716 | target_ulong ea; | |
2717 | target_ulong new_FCX; | |
2718 | ||
2719 | if (env->FCX == 0) { | |
2720 | /* FCU trap */ | |
3292b447 | 2721 | raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCU, GETPC()); |
518d7fd2 BK |
2722 | } |
2723 | /* tmp_FCX = FCX; */ | |
2724 | tmp_FCX = env->FCX; | |
2725 | /* EA = {FCX.FCXS, 6'b0, FCX.FCXO, 6'b0}; */ | |
2726 | ea = ((env->FCX & MASK_FCX_FCXS) << 12) + | |
2727 | ((env->FCX & MASK_FCX_FCXO) << 6); | |
2728 | /* new_FCX = M(EA, word); */ | |
2729 | new_FCX = cpu_ldl_data(env, ea); | |
2730 | /* M(EA, 16 * word) = {PCXI, PSW, A[10], A[11], D[8], D[9], D[10], D[11], | |
2731 | A[12], A[13], A[14], A[15], D[12], D[13], D[14], | |
2732 | D[15]}; */ | |
2733 | save_context_upper(env, ea); | |
2734 | ||
2735 | /* PCXI.PCPN = ICR.CCPN; */ | |
2736 | env->PCXI = (env->PCXI & 0xffffff) + | |
2737 | ((env->ICR & MASK_ICR_CCPN) << 24); | |
2738 | /* PCXI.PIE = ICR.IE; */ | |
2739 | env->PCXI = ((env->PCXI & ~MASK_PCXI_PIE) + | |
2740 | ((env->ICR & MASK_ICR_IE) << 15)); | |
2741 | /* PCXI.UL = 1; */ | |
2742 | env->PCXI |= MASK_PCXI_UL; | |
2743 | ||
2744 | /* PCXI[19: 0] = FCX[19: 0]; */ | |
2745 | env->PCXI = (env->PCXI & 0xfff00000) + (env->FCX & 0xfffff); | |
2746 | /* FCX[19: 0] = new_FCX[19: 0]; */ | |
2747 | env->FCX = (env->FCX & 0xfff00000) + (new_FCX & 0xfffff); | |
2748 | ||
2749 | /* if (tmp_FCX == LCX) trap(FCD);*/ | |
2750 | if (tmp_FCX == env->LCX) { | |
2751 | /* FCD trap */ | |
3292b447 | 2752 | raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_FCD, GETPC()); |
518d7fd2 BK |
2753 | } |
2754 | } | |
2755 | ||
b724b012 BK |
2756 | void helper_rslcx(CPUTriCoreState *env) |
2757 | { | |
2758 | target_ulong ea; | |
2759 | target_ulong new_PCXI; | |
2760 | /* if (PCXI[19: 0] == 0) then trap(CSU); */ | |
2761 | if ((env->PCXI & 0xfffff) == 0) { | |
2762 | /* CSU trap */ | |
3292b447 | 2763 | raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CSU, GETPC()); |
b724b012 BK |
2764 | } |
2765 | /* if (PCXI.UL == 1) then trap(CTYP); */ | |
7b4b0b57 | 2766 | if ((env->PCXI & MASK_PCXI_UL) != 0) { |
b724b012 | 2767 | /* CTYP trap */ |
3292b447 | 2768 | raise_exception_sync_helper(env, TRAPC_CTX_MNG, TIN3_CTYP, GETPC()); |
b724b012 BK |
2769 | } |
2770 | /* EA = {PCXI.PCXS, 6'b0, PCXI.PCXO, 6'b0}; */ | |
2771 | ea = ((env->PCXI & MASK_PCXI_PCXS) << 12) + | |
2772 | ((env->PCXI & MASK_PCXI_PCXO) << 6); | |
2773 | /* {new_PCXI, A[11], A[10], A[11], D[8], D[9], D[10], D[11], A[12], | |
2774 | A[13], A[14], A[15], D[12], D[13], D[14], D[15]} = M(EA, 16 * word); */ | |
bc72f8aa | 2775 | restore_context_lower(env, ea, &env->gpr_a[11], &new_PCXI); |
b724b012 BK |
2776 | /* M(EA, word) = FCX; */ |
2777 | cpu_stl_data(env, ea, env->FCX); | |
2778 | /* M(EA, word) = FCX; */ | |
2779 | cpu_stl_data(env, ea, env->FCX); | |
2780 | /* FCX[19: 0] = PCXI[19: 0]; */ | |
2781 | env->FCX = (env->FCX & 0xfff00000) + (env->PCXI & 0x000fffff); | |
2782 | /* PCXI = new_PCXI; */ | |
2783 | env->PCXI = new_PCXI; | |
2784 | } | |
2785 | ||
2b2f7d97 BK |
2786 | void helper_psw_write(CPUTriCoreState *env, uint32_t arg) |
2787 | { | |
2788 | psw_write(env, arg); | |
2789 | } | |
2790 | ||
2791 | uint32_t helper_psw_read(CPUTriCoreState *env) | |
2792 | { | |
2793 | return psw_read(env); | |
2794 | } | |
2795 | ||
2796 | ||
2d30267e BK |
2797 | static inline void QEMU_NORETURN do_raise_exception_err(CPUTriCoreState *env, |
2798 | uint32_t exception, | |
2799 | int error_code, | |
2800 | uintptr_t pc) | |
2801 | { | |
2802 | CPUState *cs = CPU(tricore_env_get_cpu(env)); | |
2803 | cs->exception_index = exception; | |
2804 | env->error_code = error_code; | |
65255e8e AB |
2805 | /* now we have a real cpu fault */ |
2806 | cpu_loop_exit_restore(cs, pc); | |
2d30267e BK |
2807 | } |
2808 | ||
98670d47 LV |
2809 | void tlb_fill(CPUState *cs, target_ulong addr, int size, |
2810 | MMUAccessType access_type, int mmu_idx, uintptr_t retaddr) | |
48e06fe0 | 2811 | { |
2d30267e | 2812 | int ret; |
b35399bb | 2813 | ret = cpu_tricore_handle_mmu_fault(cs, addr, access_type, mmu_idx); |
2d30267e BK |
2814 | if (ret) { |
2815 | TriCoreCPU *cpu = TRICORE_CPU(cs); | |
2816 | CPUTriCoreState *env = &cpu->env; | |
2817 | do_raise_exception_err(env, cs->exception_index, | |
2818 | env->error_code, retaddr); | |
2819 | } | |
48e06fe0 | 2820 | } |