Commit | Line | Data |
---|---|---|
6df01ab8 MF |
1 | /* This must come before any other includes. */ |
2 | #include "defs.h" | |
3 | ||
c906108c | 4 | #include "sim-main.h" |
1fef66b0 | 5 | #include "sim-signal.h" |
c906108c SS |
6 | #include "v850_sim.h" |
7 | #include "simops.h" | |
8 | ||
4389ce38 MK |
9 | #include <sys/types.h> |
10 | ||
c906108c SS |
11 | #ifdef HAVE_UTIME_H |
12 | #include <utime.h> | |
13 | #endif | |
c906108c | 14 | #include <time.h> |
c906108c SS |
15 | #ifdef HAVE_UNISTD_H |
16 | #include <unistd.h> | |
17 | #endif | |
5f05936d | 18 | #include <stdlib.h> |
c906108c | 19 | #include <string.h> |
c906108c SS |
20 | |
21 | #include "targ-vals.h" | |
22 | ||
23 | #include "libiberty.h" | |
24 | ||
25 | #include <errno.h> | |
26 | #if !defined(__GO32__) && !defined(_WIN32) | |
27 | #include <sys/stat.h> | |
28 | #include <sys/times.h> | |
29 | #include <sys/time.h> | |
30 | #endif | |
31 | ||
32 | /* This is an array of the bit positions of registers r20 .. r31 in | |
33 | that order in a prepare/dispose instruction. */ | |
34 | int type1_regs[12] = { 27, 26, 25, 24, 31, 30, 29, 28, 23, 22, 0, 21 }; | |
35 | /* This is an array of the bit positions of registers r16 .. r31 in | |
36 | that order in a push/pop instruction. */ | |
37 | int type2_regs[16] = { 3, 2, 1, 0, 27, 26, 25, 24, 31, 30, 29, 28, 23, 22, 20, 21}; | |
38 | /* This is an array of the bit positions of registers r1 .. r15 in | |
39 | that order in a push/pop instruction. */ | |
40 | int type3_regs[15] = { 2, 1, 0, 27, 26, 25, 24, 31, 30, 29, 28, 23, 22, 20, 21}; | |
41 | ||
42 | #ifdef DEBUG | |
43 | #ifndef SIZE_INSTRUCTION | |
44 | #define SIZE_INSTRUCTION 18 | |
45 | #endif | |
46 | ||
47 | #ifndef SIZE_VALUES | |
48 | #define SIZE_VALUES 11 | |
49 | #endif | |
50 | ||
51 | ||
a3976a7c NC |
52 | unsigned32 trace_values[3]; |
53 | int trace_num_values; | |
54 | unsigned32 trace_pc; | |
55 | const char * trace_name; | |
56 | int trace_module; | |
c906108c SS |
57 | |
58 | ||
59 | void | |
a3976a7c | 60 | trace_input (char *name, enum op_types type, int size) |
c906108c | 61 | { |
c906108c SS |
62 | if (!TRACE_ALU_P (STATE_CPU (simulator, 0))) |
63 | return; | |
64 | ||
65 | trace_pc = PC; | |
66 | trace_name = name; | |
67 | trace_module = TRACE_ALU_IDX; | |
68 | ||
69 | switch (type) | |
70 | { | |
71 | default: | |
72 | case OP_UNKNOWN: | |
73 | case OP_NONE: | |
74 | case OP_TRAP: | |
75 | trace_num_values = 0; | |
76 | break; | |
77 | ||
78 | case OP_REG: | |
79 | case OP_REG_REG_MOVE: | |
80 | trace_values[0] = State.regs[OP[0]]; | |
81 | trace_num_values = 1; | |
82 | break; | |
83 | ||
84 | case OP_BIT_CHANGE: | |
85 | case OP_REG_REG: | |
86 | case OP_REG_REG_CMP: | |
87 | trace_values[0] = State.regs[OP[1]]; | |
88 | trace_values[1] = State.regs[OP[0]]; | |
89 | trace_num_values = 2; | |
90 | break; | |
91 | ||
92 | case OP_IMM_REG: | |
93 | case OP_IMM_REG_CMP: | |
94 | trace_values[0] = SEXT5 (OP[0]); | |
95 | trace_values[1] = OP[1]; | |
96 | trace_num_values = 2; | |
97 | break; | |
98 | ||
99 | case OP_IMM_REG_MOVE: | |
100 | trace_values[0] = SEXT5 (OP[0]); | |
101 | trace_num_values = 1; | |
102 | break; | |
103 | ||
104 | case OP_COND_BR: | |
105 | trace_values[0] = State.pc; | |
106 | trace_values[1] = SEXT9 (OP[0]); | |
107 | trace_values[2] = PSW; | |
108 | trace_num_values = 3; | |
109 | break; | |
110 | ||
111 | case OP_LOAD16: | |
112 | trace_values[0] = OP[1] * size; | |
113 | trace_values[1] = State.regs[30]; | |
114 | trace_num_values = 2; | |
115 | break; | |
116 | ||
117 | case OP_STORE16: | |
118 | trace_values[0] = State.regs[OP[0]]; | |
119 | trace_values[1] = OP[1] * size; | |
120 | trace_values[2] = State.regs[30]; | |
121 | trace_num_values = 3; | |
122 | break; | |
123 | ||
124 | case OP_LOAD32: | |
125 | trace_values[0] = EXTEND16 (OP[2]); | |
126 | trace_values[1] = State.regs[OP[0]]; | |
127 | trace_num_values = 2; | |
128 | break; | |
129 | ||
130 | case OP_STORE32: | |
131 | trace_values[0] = State.regs[OP[1]]; | |
132 | trace_values[1] = EXTEND16 (OP[2]); | |
133 | trace_values[2] = State.regs[OP[0]]; | |
134 | trace_num_values = 3; | |
135 | break; | |
136 | ||
137 | case OP_JUMP: | |
138 | trace_values[0] = SEXT22 (OP[0]); | |
139 | trace_values[1] = State.pc; | |
140 | trace_num_values = 2; | |
141 | break; | |
142 | ||
143 | case OP_IMM_REG_REG: | |
144 | trace_values[0] = EXTEND16 (OP[0]) << size; | |
145 | trace_values[1] = State.regs[OP[1]]; | |
146 | trace_num_values = 2; | |
147 | break; | |
148 | ||
149 | case OP_IMM16_REG_REG: | |
150 | trace_values[0] = EXTEND16 (OP[2]) << size; | |
151 | trace_values[1] = State.regs[OP[1]]; | |
152 | trace_num_values = 2; | |
153 | break; | |
154 | ||
155 | case OP_UIMM_REG_REG: | |
156 | trace_values[0] = (OP[0] & 0xffff) << size; | |
157 | trace_values[1] = State.regs[OP[1]]; | |
158 | trace_num_values = 2; | |
159 | break; | |
160 | ||
161 | case OP_UIMM16_REG_REG: | |
162 | trace_values[0] = (OP[2]) << size; | |
163 | trace_values[1] = State.regs[OP[1]]; | |
164 | trace_num_values = 2; | |
165 | break; | |
166 | ||
167 | case OP_BIT: | |
168 | trace_num_values = 0; | |
169 | break; | |
170 | ||
171 | case OP_EX1: | |
172 | trace_values[0] = PSW; | |
173 | trace_num_values = 1; | |
174 | break; | |
175 | ||
176 | case OP_EX2: | |
177 | trace_num_values = 0; | |
178 | break; | |
179 | ||
180 | case OP_LDSR: | |
181 | trace_values[0] = State.regs[OP[0]]; | |
182 | trace_num_values = 1; | |
183 | break; | |
184 | ||
185 | case OP_STSR: | |
186 | trace_values[0] = State.sregs[OP[1]]; | |
187 | trace_num_values = 1; | |
188 | } | |
189 | ||
190 | } | |
191 | ||
192 | void | |
193 | trace_result (int has_result, unsigned32 result) | |
194 | { | |
195 | char buf[1000]; | |
196 | char *chp; | |
197 | ||
198 | buf[0] = '\0'; | |
199 | chp = buf; | |
200 | ||
201 | /* write out the values saved during the trace_input call */ | |
202 | { | |
203 | int i; | |
204 | for (i = 0; i < trace_num_values; i++) | |
205 | { | |
d62274a3 AC |
206 | sprintf (chp, "%*s0x%.8lx", SIZE_VALUES - 10, "", |
207 | (long) trace_values[i]); | |
c906108c SS |
208 | chp = strchr (chp, '\0'); |
209 | } | |
210 | while (i++ < 3) | |
211 | { | |
212 | sprintf (chp, "%*s", SIZE_VALUES, ""); | |
213 | chp = strchr (chp, '\0'); | |
214 | } | |
215 | } | |
216 | ||
217 | /* append any result to the end of the buffer */ | |
218 | if (has_result) | |
a3976a7c | 219 | sprintf (chp, " :: 0x%.8lx", (unsigned long) result); |
c906108c | 220 | |
a3976a7c | 221 | trace_generic (simulator, STATE_CPU (simulator, 0), trace_module, "%s", buf); |
c906108c SS |
222 | } |
223 | ||
224 | void | |
a3976a7c | 225 | trace_output (enum op_types result) |
c906108c SS |
226 | { |
227 | if (!TRACE_ALU_P (STATE_CPU (simulator, 0))) | |
228 | return; | |
229 | ||
230 | switch (result) | |
231 | { | |
232 | default: | |
233 | case OP_UNKNOWN: | |
234 | case OP_NONE: | |
235 | case OP_TRAP: | |
236 | case OP_REG: | |
237 | case OP_REG_REG_CMP: | |
238 | case OP_IMM_REG_CMP: | |
239 | case OP_COND_BR: | |
240 | case OP_STORE16: | |
241 | case OP_STORE32: | |
242 | case OP_BIT: | |
243 | case OP_EX2: | |
244 | trace_result (0, 0); | |
245 | break; | |
246 | ||
247 | case OP_LOAD16: | |
248 | case OP_STSR: | |
249 | trace_result (1, State.regs[OP[0]]); | |
250 | break; | |
251 | ||
252 | case OP_REG_REG: | |
253 | case OP_REG_REG_MOVE: | |
254 | case OP_IMM_REG: | |
255 | case OP_IMM_REG_MOVE: | |
256 | case OP_LOAD32: | |
257 | case OP_EX1: | |
258 | trace_result (1, State.regs[OP[1]]); | |
259 | break; | |
260 | ||
261 | case OP_IMM_REG_REG: | |
262 | case OP_UIMM_REG_REG: | |
263 | case OP_IMM16_REG_REG: | |
264 | case OP_UIMM16_REG_REG: | |
265 | trace_result (1, State.regs[OP[1]]); | |
266 | break; | |
267 | ||
268 | case OP_JUMP: | |
269 | if (OP[1] != 0) | |
270 | trace_result (1, State.regs[OP[1]]); | |
271 | else | |
272 | trace_result (0, 0); | |
273 | break; | |
274 | ||
275 | case OP_LDSR: | |
276 | trace_result (1, State.sregs[OP[1]]); | |
277 | break; | |
278 | } | |
279 | } | |
280 | #endif | |
281 | ||
282 | \f | |
283 | /* Returns 1 if the specific condition is met, returns 0 otherwise. */ | |
284 | int | |
285 | condition_met (unsigned code) | |
286 | { | |
287 | unsigned int psw = PSW; | |
288 | ||
289 | switch (code & 0xf) | |
290 | { | |
291 | case 0x0: return ((psw & PSW_OV) != 0); | |
292 | case 0x1: return ((psw & PSW_CY) != 0); | |
293 | case 0x2: return ((psw & PSW_Z) != 0); | |
294 | case 0x3: return ((((psw & PSW_CY) != 0) | ((psw & PSW_Z) != 0)) != 0); | |
295 | case 0x4: return ((psw & PSW_S) != 0); | |
296 | /*case 0x5: return 1;*/ | |
297 | case 0x6: return ((((psw & PSW_S) != 0) ^ ((psw & PSW_OV) != 0)) != 0); | |
298 | case 0x7: return (((((psw & PSW_S) != 0) ^ ((psw & PSW_OV) != 0)) || ((psw & PSW_Z) != 0)) != 0); | |
299 | case 0x8: return ((psw & PSW_OV) == 0); | |
300 | case 0x9: return ((psw & PSW_CY) == 0); | |
301 | case 0xa: return ((psw & PSW_Z) == 0); | |
302 | case 0xb: return ((((psw & PSW_CY) != 0) | ((psw & PSW_Z) != 0)) == 0); | |
303 | case 0xc: return ((psw & PSW_S) == 0); | |
304 | case 0xd: return ((psw & PSW_SAT) != 0); | |
305 | case 0xe: return ((((psw & PSW_S) != 0) ^ ((psw & PSW_OV) != 0)) == 0); | |
306 | case 0xf: return (((((psw & PSW_S) != 0) ^ ((psw & PSW_OV) != 0)) || ((psw & PSW_Z) != 0)) == 0); | |
307 | } | |
308 | ||
309 | return 1; | |
310 | } | |
311 | ||
2aaed979 | 312 | unsigned long |
c906108c SS |
313 | Add32 (unsigned long a1, unsigned long a2, int * carry) |
314 | { | |
315 | unsigned long result = (a1 + a2); | |
316 | ||
317 | * carry = (result < a1); | |
318 | ||
319 | return result; | |
320 | } | |
321 | ||
322 | static void | |
0da2b665 | 323 | Multiply64 (int sign, unsigned long op0) |
c906108c SS |
324 | { |
325 | unsigned long op1; | |
326 | unsigned long lo; | |
327 | unsigned long mid1; | |
328 | unsigned long mid2; | |
329 | unsigned long hi; | |
330 | unsigned long RdLo; | |
331 | unsigned long RdHi; | |
332 | int carry; | |
333 | ||
334 | op1 = State.regs[ OP[1] ]; | |
335 | ||
336 | if (sign) | |
337 | { | |
338 | /* Compute sign of result and adjust operands if necessary. */ | |
339 | ||
340 | sign = (op0 ^ op1) & 0x80000000; | |
341 | ||
342 | if (((signed long) op0) < 0) | |
343 | op0 = - op0; | |
344 | ||
345 | if (((signed long) op1) < 0) | |
346 | op1 = - op1; | |
347 | } | |
348 | ||
349 | /* We can split the 32x32 into four 16x16 operations. This ensures | |
350 | that we do not lose precision on 32bit only hosts: */ | |
351 | lo = ( (op0 & 0xFFFF) * (op1 & 0xFFFF)); | |
352 | mid1 = ( (op0 & 0xFFFF) * ((op1 >> 16) & 0xFFFF)); | |
353 | mid2 = (((op0 >> 16) & 0xFFFF) * (op1 & 0xFFFF)); | |
354 | hi = (((op0 >> 16) & 0xFFFF) * ((op1 >> 16) & 0xFFFF)); | |
355 | ||
356 | /* We now need to add all of these results together, taking care | |
357 | to propogate the carries from the additions: */ | |
358 | RdLo = Add32 (lo, (mid1 << 16), & carry); | |
359 | RdHi = carry; | |
360 | RdLo = Add32 (RdLo, (mid2 << 16), & carry); | |
361 | RdHi += (carry + ((mid1 >> 16) & 0xFFFF) + ((mid2 >> 16) & 0xFFFF) + hi); | |
362 | ||
363 | if (sign) | |
364 | { | |
365 | /* Negate result if necessary. */ | |
366 | ||
367 | RdLo = ~ RdLo; | |
368 | RdHi = ~ RdHi; | |
369 | if (RdLo == 0xFFFFFFFF) | |
370 | { | |
371 | RdLo = 0; | |
372 | RdHi += 1; | |
373 | } | |
374 | else | |
375 | RdLo += 1; | |
376 | } | |
377 | ||
378 | /* Don't store into register 0. */ | |
379 | if (OP[1]) | |
380 | State.regs[ OP[1] ] = RdLo; | |
381 | if (OP[2] >> 11) | |
382 | State.regs[ OP[2] >> 11 ] = RdHi; | |
383 | ||
384 | return; | |
385 | } | |
386 | ||
387 | \f | |
a3976a7c NC |
388 | /* Read a null terminated string from memory, return in a buffer. */ |
389 | ||
c906108c | 390 | static char * |
a3976a7c | 391 | fetch_str (SIM_DESC sd, address_word addr) |
c906108c SS |
392 | { |
393 | char *buf; | |
394 | int nr = 0; | |
a3976a7c | 395 | |
c906108c SS |
396 | while (sim_core_read_1 (STATE_CPU (sd, 0), |
397 | PC, read_map, addr + nr) != 0) | |
398 | nr++; | |
a3976a7c | 399 | |
c906108c | 400 | buf = NZALLOC (char, nr + 1); |
a3976a7c NC |
401 | sim_read (simulator, addr, (unsigned char *) buf, nr); |
402 | ||
c906108c SS |
403 | return buf; |
404 | } | |
405 | ||
406 | /* Read a null terminated argument vector from memory, return in a | |
a3976a7c NC |
407 | buffer. */ |
408 | ||
c906108c | 409 | static char ** |
a3976a7c | 410 | fetch_argv (SIM_DESC sd, address_word addr) |
c906108c SS |
411 | { |
412 | int max_nr = 64; | |
413 | int nr = 0; | |
414 | char **buf = xmalloc (max_nr * sizeof (char*)); | |
a3976a7c | 415 | |
c906108c SS |
416 | while (1) |
417 | { | |
418 | unsigned32 a = sim_core_read_4 (STATE_CPU (sd, 0), | |
419 | PC, read_map, addr + nr * 4); | |
420 | if (a == 0) break; | |
421 | buf[nr] = fetch_str (sd, a); | |
422 | nr ++; | |
423 | if (nr == max_nr - 1) | |
424 | { | |
425 | max_nr += 50; | |
426 | buf = xrealloc (buf, max_nr * sizeof (char*)); | |
427 | } | |
428 | } | |
429 | buf[nr] = 0; | |
430 | return buf; | |
431 | } | |
432 | ||
433 | \f | |
434 | /* sst.b */ | |
435 | int | |
a3976a7c | 436 | OP_380 (void) |
c906108c SS |
437 | { |
438 | trace_input ("sst.b", OP_STORE16, 1); | |
439 | ||
440 | store_mem (State.regs[30] + (OP[3] & 0x7f), 1, State.regs[ OP[1] ]); | |
441 | ||
442 | trace_output (OP_STORE16); | |
443 | ||
444 | return 2; | |
445 | } | |
446 | ||
447 | /* sst.h */ | |
448 | int | |
a3976a7c | 449 | OP_480 (void) |
c906108c SS |
450 | { |
451 | trace_input ("sst.h", OP_STORE16, 2); | |
452 | ||
453 | store_mem (State.regs[30] + ((OP[3] & 0x7f) << 1), 2, State.regs[ OP[1] ]); | |
454 | ||
455 | trace_output (OP_STORE16); | |
456 | ||
457 | return 2; | |
458 | } | |
459 | ||
460 | /* sst.w */ | |
461 | int | |
a3976a7c | 462 | OP_501 (void) |
c906108c SS |
463 | { |
464 | trace_input ("sst.w", OP_STORE16, 4); | |
465 | ||
466 | store_mem (State.regs[30] + ((OP[3] & 0x7e) << 1), 4, State.regs[ OP[1] ]); | |
467 | ||
468 | trace_output (OP_STORE16); | |
469 | ||
470 | return 2; | |
471 | } | |
472 | ||
473 | /* ld.b */ | |
474 | int | |
a3976a7c | 475 | OP_700 (void) |
c906108c SS |
476 | { |
477 | int adr; | |
478 | ||
479 | trace_input ("ld.b", OP_LOAD32, 1); | |
480 | ||
481 | adr = State.regs[ OP[0] ] + EXTEND16 (OP[2]); | |
482 | ||
483 | State.regs[ OP[1] ] = EXTEND8 (load_mem (adr, 1)); | |
484 | ||
485 | trace_output (OP_LOAD32); | |
486 | ||
487 | return 4; | |
488 | } | |
489 | ||
490 | /* ld.h */ | |
491 | int | |
a3976a7c | 492 | OP_720 (void) |
c906108c SS |
493 | { |
494 | int adr; | |
495 | ||
496 | trace_input ("ld.h", OP_LOAD32, 2); | |
497 | ||
498 | adr = State.regs[ OP[0] ] + EXTEND16 (OP[2]); | |
499 | adr &= ~0x1; | |
500 | ||
501 | State.regs[ OP[1] ] = EXTEND16 (load_mem (adr, 2)); | |
502 | ||
503 | trace_output (OP_LOAD32); | |
504 | ||
505 | return 4; | |
506 | } | |
507 | ||
508 | /* ld.w */ | |
509 | int | |
a3976a7c | 510 | OP_10720 (void) |
c906108c SS |
511 | { |
512 | int adr; | |
513 | ||
514 | trace_input ("ld.w", OP_LOAD32, 4); | |
515 | ||
516 | adr = State.regs[ OP[0] ] + EXTEND16 (OP[2] & ~1); | |
517 | adr &= ~0x3; | |
518 | ||
519 | State.regs[ OP[1] ] = load_mem (adr, 4); | |
520 | ||
521 | trace_output (OP_LOAD32); | |
522 | ||
523 | return 4; | |
524 | } | |
525 | ||
526 | /* st.b */ | |
527 | int | |
a3976a7c | 528 | OP_740 (void) |
c906108c SS |
529 | { |
530 | trace_input ("st.b", OP_STORE32, 1); | |
531 | ||
532 | store_mem (State.regs[ OP[0] ] + EXTEND16 (OP[2]), 1, State.regs[ OP[1] ]); | |
533 | ||
534 | trace_output (OP_STORE32); | |
535 | ||
536 | return 4; | |
537 | } | |
538 | ||
539 | /* st.h */ | |
540 | int | |
a3976a7c | 541 | OP_760 (void) |
c906108c SS |
542 | { |
543 | int adr; | |
544 | ||
545 | trace_input ("st.h", OP_STORE32, 2); | |
546 | ||
547 | adr = State.regs[ OP[0] ] + EXTEND16 (OP[2]); | |
548 | adr &= ~1; | |
549 | ||
550 | store_mem (adr, 2, State.regs[ OP[1] ]); | |
551 | ||
552 | trace_output (OP_STORE32); | |
553 | ||
554 | return 4; | |
555 | } | |
556 | ||
557 | /* st.w */ | |
558 | int | |
a3976a7c | 559 | OP_10760 (void) |
c906108c SS |
560 | { |
561 | int adr; | |
562 | ||
563 | trace_input ("st.w", OP_STORE32, 4); | |
564 | ||
565 | adr = State.regs[ OP[0] ] + EXTEND16 (OP[2] & ~1); | |
566 | adr &= ~3; | |
567 | ||
568 | store_mem (adr, 4, State.regs[ OP[1] ]); | |
569 | ||
570 | trace_output (OP_STORE32); | |
571 | ||
572 | return 4; | |
573 | } | |
574 | ||
575 | /* add reg, reg */ | |
576 | int | |
a3976a7c | 577 | OP_1C0 (void) |
c906108c SS |
578 | { |
579 | unsigned int op0, op1, result, z, s, cy, ov; | |
580 | ||
581 | trace_input ("add", OP_REG_REG, 0); | |
582 | ||
583 | /* Compute the result. */ | |
584 | ||
585 | op0 = State.regs[ OP[0] ]; | |
586 | op1 = State.regs[ OP[1] ]; | |
587 | ||
588 | result = op0 + op1; | |
589 | ||
590 | /* Compute the condition codes. */ | |
591 | z = (result == 0); | |
592 | s = (result & 0x80000000); | |
593 | cy = (result < op0 || result < op1); | |
594 | ov = ((op0 & 0x80000000) == (op1 & 0x80000000) | |
595 | && (op0 & 0x80000000) != (result & 0x80000000)); | |
596 | ||
597 | /* Store the result and condition codes. */ | |
598 | State.regs[OP[1]] = result; | |
599 | PSW &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV); | |
600 | PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0) | |
601 | | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0)); | |
602 | trace_output (OP_REG_REG); | |
603 | ||
604 | return 2; | |
605 | } | |
606 | ||
607 | /* add sign_extend(imm5), reg */ | |
608 | int | |
a3976a7c | 609 | OP_240 (void) |
c906108c SS |
610 | { |
611 | unsigned int op0, op1, result, z, s, cy, ov; | |
612 | int temp; | |
613 | ||
614 | trace_input ("add", OP_IMM_REG, 0); | |
615 | ||
616 | /* Compute the result. */ | |
617 | temp = SEXT5 (OP[0]); | |
618 | op0 = temp; | |
619 | op1 = State.regs[OP[1]]; | |
620 | result = op0 + op1; | |
621 | ||
622 | /* Compute the condition codes. */ | |
623 | z = (result == 0); | |
624 | s = (result & 0x80000000); | |
625 | cy = (result < op0 || result < op1); | |
626 | ov = ((op0 & 0x80000000) == (op1 & 0x80000000) | |
627 | && (op0 & 0x80000000) != (result & 0x80000000)); | |
628 | ||
629 | /* Store the result and condition codes. */ | |
630 | State.regs[OP[1]] = result; | |
631 | PSW &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV); | |
632 | PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0) | |
633 | | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0)); | |
634 | trace_output (OP_IMM_REG); | |
635 | ||
636 | return 2; | |
637 | } | |
638 | ||
639 | /* addi sign_extend(imm16), reg, reg */ | |
640 | int | |
a3976a7c | 641 | OP_600 (void) |
c906108c SS |
642 | { |
643 | unsigned int op0, op1, result, z, s, cy, ov; | |
644 | ||
645 | trace_input ("addi", OP_IMM16_REG_REG, 0); | |
646 | ||
647 | /* Compute the result. */ | |
648 | ||
649 | op0 = EXTEND16 (OP[2]); | |
650 | op1 = State.regs[ OP[0] ]; | |
651 | result = op0 + op1; | |
652 | ||
653 | /* Compute the condition codes. */ | |
654 | z = (result == 0); | |
655 | s = (result & 0x80000000); | |
656 | cy = (result < op0 || result < op1); | |
657 | ov = ((op0 & 0x80000000) == (op1 & 0x80000000) | |
658 | && (op0 & 0x80000000) != (result & 0x80000000)); | |
659 | ||
660 | /* Store the result and condition codes. */ | |
661 | State.regs[OP[1]] = result; | |
662 | PSW &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV); | |
663 | PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0) | |
664 | | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0)); | |
665 | trace_output (OP_IMM16_REG_REG); | |
666 | ||
667 | return 4; | |
668 | } | |
669 | ||
670 | /* sub reg1, reg2 */ | |
671 | int | |
a3976a7c | 672 | OP_1A0 (void) |
c906108c SS |
673 | { |
674 | unsigned int op0, op1, result, z, s, cy, ov; | |
675 | ||
676 | trace_input ("sub", OP_REG_REG, 0); | |
677 | /* Compute the result. */ | |
678 | op0 = State.regs[ OP[0] ]; | |
679 | op1 = State.regs[ OP[1] ]; | |
680 | result = op1 - op0; | |
681 | ||
682 | /* Compute the condition codes. */ | |
683 | z = (result == 0); | |
684 | s = (result & 0x80000000); | |
685 | cy = (op1 < op0); | |
686 | ov = ((op1 & 0x80000000) != (op0 & 0x80000000) | |
687 | && (op1 & 0x80000000) != (result & 0x80000000)); | |
688 | ||
689 | /* Store the result and condition codes. */ | |
690 | State.regs[OP[1]] = result; | |
691 | PSW &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV); | |
692 | PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0) | |
693 | | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0)); | |
694 | trace_output (OP_REG_REG); | |
695 | ||
696 | return 2; | |
697 | } | |
698 | ||
699 | /* subr reg1, reg2 */ | |
700 | int | |
a3976a7c | 701 | OP_180 (void) |
c906108c SS |
702 | { |
703 | unsigned int op0, op1, result, z, s, cy, ov; | |
704 | ||
705 | trace_input ("subr", OP_REG_REG, 0); | |
706 | /* Compute the result. */ | |
707 | op0 = State.regs[ OP[0] ]; | |
708 | op1 = State.regs[ OP[1] ]; | |
709 | result = op0 - op1; | |
710 | ||
711 | /* Compute the condition codes. */ | |
712 | z = (result == 0); | |
713 | s = (result & 0x80000000); | |
714 | cy = (op0 < op1); | |
715 | ov = ((op0 & 0x80000000) != (op1 & 0x80000000) | |
716 | && (op0 & 0x80000000) != (result & 0x80000000)); | |
717 | ||
718 | /* Store the result and condition codes. */ | |
719 | State.regs[OP[1]] = result; | |
720 | PSW &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV); | |
721 | PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0) | |
722 | | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0)); | |
723 | trace_output (OP_REG_REG); | |
724 | ||
725 | return 2; | |
726 | } | |
727 | ||
728 | /* sxh reg1 */ | |
729 | int | |
a3976a7c | 730 | OP_E0 (void) |
c906108c SS |
731 | { |
732 | trace_input ("mulh", OP_REG_REG, 0); | |
733 | ||
734 | State.regs[ OP[1] ] = (EXTEND16 (State.regs[ OP[1] ]) * EXTEND16 (State.regs[ OP[0] ])); | |
735 | ||
736 | trace_output (OP_REG_REG); | |
737 | ||
738 | return 2; | |
739 | } | |
740 | ||
741 | /* mulh sign_extend(imm5), reg2 */ | |
742 | int | |
a3976a7c | 743 | OP_2E0 (void) |
c906108c SS |
744 | { |
745 | trace_input ("mulh", OP_IMM_REG, 0); | |
746 | ||
747 | State.regs[ OP[1] ] = EXTEND16 (State.regs[ OP[1] ]) * SEXT5 (OP[0]); | |
748 | ||
749 | trace_output (OP_IMM_REG); | |
750 | ||
751 | return 2; | |
752 | } | |
753 | ||
754 | /* mulhi imm16, reg1, reg2 */ | |
755 | int | |
a3976a7c | 756 | OP_6E0 (void) |
c906108c SS |
757 | { |
758 | trace_input ("mulhi", OP_IMM16_REG_REG, 0); | |
759 | ||
760 | State.regs[ OP[1] ] = EXTEND16 (State.regs[ OP[0] ]) * EXTEND16 (OP[2]); | |
761 | ||
762 | trace_output (OP_IMM16_REG_REG); | |
763 | ||
764 | return 4; | |
765 | } | |
766 | ||
c906108c SS |
767 | /* cmp reg, reg */ |
768 | int | |
a3976a7c | 769 | OP_1E0 (void) |
c906108c SS |
770 | { |
771 | unsigned int op0, op1, result, z, s, cy, ov; | |
772 | ||
773 | trace_input ("cmp", OP_REG_REG_CMP, 0); | |
774 | /* Compute the result. */ | |
775 | op0 = State.regs[ OP[0] ]; | |
776 | op1 = State.regs[ OP[1] ]; | |
777 | result = op1 - op0; | |
778 | ||
779 | /* Compute the condition codes. */ | |
780 | z = (result == 0); | |
781 | s = (result & 0x80000000); | |
782 | cy = (op1 < op0); | |
783 | ov = ((op1 & 0x80000000) != (op0 & 0x80000000) | |
784 | && (op1 & 0x80000000) != (result & 0x80000000)); | |
785 | ||
786 | /* Set condition codes. */ | |
787 | PSW &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV); | |
788 | PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0) | |
789 | | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0)); | |
790 | trace_output (OP_REG_REG_CMP); | |
791 | ||
792 | return 2; | |
793 | } | |
794 | ||
795 | /* cmp sign_extend(imm5), reg */ | |
796 | int | |
a3976a7c | 797 | OP_260 (void) |
c906108c SS |
798 | { |
799 | unsigned int op0, op1, result, z, s, cy, ov; | |
800 | int temp; | |
801 | ||
802 | /* Compute the result. */ | |
803 | trace_input ("cmp", OP_IMM_REG_CMP, 0); | |
804 | temp = SEXT5 (OP[0]); | |
805 | op0 = temp; | |
806 | op1 = State.regs[OP[1]]; | |
807 | result = op1 - op0; | |
808 | ||
809 | /* Compute the condition codes. */ | |
810 | z = (result == 0); | |
811 | s = (result & 0x80000000); | |
812 | cy = (op1 < op0); | |
813 | ov = ((op1 & 0x80000000) != (op0 & 0x80000000) | |
814 | && (op1 & 0x80000000) != (result & 0x80000000)); | |
815 | ||
816 | /* Set condition codes. */ | |
817 | PSW &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV); | |
818 | PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0) | |
819 | | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0)); | |
820 | trace_output (OP_IMM_REG_CMP); | |
821 | ||
822 | return 2; | |
823 | } | |
824 | ||
825 | /* setf cccc,reg2 */ | |
826 | int | |
a3976a7c | 827 | OP_7E0 (void) |
c906108c SS |
828 | { |
829 | trace_input ("setf", OP_EX1, 0); | |
830 | ||
831 | State.regs[ OP[1] ] = condition_met (OP[0]); | |
832 | ||
833 | trace_output (OP_EX1); | |
834 | ||
835 | return 4; | |
836 | } | |
837 | ||
838 | /* satadd reg,reg */ | |
839 | int | |
a3976a7c | 840 | OP_C0 (void) |
c906108c SS |
841 | { |
842 | unsigned int op0, op1, result, z, s, cy, ov, sat; | |
843 | ||
844 | trace_input ("satadd", OP_REG_REG, 0); | |
845 | /* Compute the result. */ | |
846 | op0 = State.regs[ OP[0] ]; | |
847 | op1 = State.regs[ OP[1] ]; | |
848 | result = op0 + op1; | |
849 | ||
850 | /* Compute the condition codes. */ | |
851 | z = (result == 0); | |
852 | s = (result & 0x80000000); | |
853 | cy = (result < op0 || result < op1); | |
854 | ov = ((op0 & 0x80000000) == (op1 & 0x80000000) | |
855 | && (op0 & 0x80000000) != (result & 0x80000000)); | |
856 | sat = ov; | |
857 | ||
c5fbc25b DD |
858 | /* Handle saturated results. */ |
859 | if (sat && s) | |
860 | { | |
861 | /* An overflow that results in a negative result implies that we | |
862 | became too positive. */ | |
863 | result = 0x7fffffff; | |
864 | s = 0; | |
865 | } | |
866 | else if (sat) | |
867 | { | |
868 | /* Any other overflow must have thus been too negative. */ | |
869 | result = 0x80000000; | |
870 | s = 1; | |
871 | z = 0; | |
872 | } | |
873 | ||
c906108c SS |
874 | /* Store the result and condition codes. */ |
875 | State.regs[OP[1]] = result; | |
876 | PSW &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV); | |
877 | PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0) | |
878 | | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0) | |
879 | | (sat ? PSW_SAT : 0)); | |
c5fbc25b | 880 | |
c906108c SS |
881 | trace_output (OP_REG_REG); |
882 | ||
883 | return 2; | |
884 | } | |
885 | ||
886 | /* satadd sign_extend(imm5), reg */ | |
887 | int | |
a3976a7c | 888 | OP_220 (void) |
c906108c SS |
889 | { |
890 | unsigned int op0, op1, result, z, s, cy, ov, sat; | |
891 | ||
892 | int temp; | |
893 | ||
894 | trace_input ("satadd", OP_IMM_REG, 0); | |
895 | ||
896 | /* Compute the result. */ | |
897 | temp = SEXT5 (OP[0]); | |
898 | op0 = temp; | |
899 | op1 = State.regs[OP[1]]; | |
900 | result = op0 + op1; | |
901 | ||
902 | /* Compute the condition codes. */ | |
903 | z = (result == 0); | |
904 | s = (result & 0x80000000); | |
905 | cy = (result < op0 || result < op1); | |
906 | ov = ((op0 & 0x80000000) == (op1 & 0x80000000) | |
907 | && (op0 & 0x80000000) != (result & 0x80000000)); | |
908 | sat = ov; | |
909 | ||
c5fbc25b DD |
910 | /* Handle saturated results. */ |
911 | if (sat && s) | |
912 | { | |
913 | /* An overflow that results in a negative result implies that we | |
914 | became too positive. */ | |
915 | result = 0x7fffffff; | |
916 | s = 0; | |
917 | } | |
918 | else if (sat) | |
919 | { | |
920 | /* Any other overflow must have thus been too negative. */ | |
921 | result = 0x80000000; | |
922 | s = 1; | |
923 | z = 0; | |
924 | } | |
925 | ||
c906108c SS |
926 | /* Store the result and condition codes. */ |
927 | State.regs[OP[1]] = result; | |
928 | PSW &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV); | |
929 | PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0) | |
930 | | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0) | |
931 | | (sat ? PSW_SAT : 0)); | |
c906108c SS |
932 | trace_output (OP_IMM_REG); |
933 | ||
934 | return 2; | |
935 | } | |
936 | ||
937 | /* satsub reg1, reg2 */ | |
938 | int | |
a3976a7c | 939 | OP_A0 (void) |
c906108c SS |
940 | { |
941 | unsigned int op0, op1, result, z, s, cy, ov, sat; | |
942 | ||
943 | trace_input ("satsub", OP_REG_REG, 0); | |
944 | ||
945 | /* Compute the result. */ | |
946 | op0 = State.regs[ OP[0] ]; | |
947 | op1 = State.regs[ OP[1] ]; | |
948 | result = op1 - op0; | |
949 | ||
950 | /* Compute the condition codes. */ | |
951 | z = (result == 0); | |
952 | s = (result & 0x80000000); | |
953 | cy = (op1 < op0); | |
954 | ov = ((op1 & 0x80000000) != (op0 & 0x80000000) | |
955 | && (op1 & 0x80000000) != (result & 0x80000000)); | |
956 | sat = ov; | |
c5fbc25b DD |
957 | |
958 | /* Handle saturated results. */ | |
959 | if (sat && s) | |
960 | { | |
961 | /* An overflow that results in a negative result implies that we | |
962 | became too positive. */ | |
963 | result = 0x7fffffff; | |
964 | s = 0; | |
965 | } | |
966 | else if (sat) | |
967 | { | |
968 | /* Any other overflow must have thus been too negative. */ | |
969 | result = 0x80000000; | |
970 | s = 1; | |
971 | z = 0; | |
972 | } | |
973 | ||
c906108c SS |
974 | /* Store the result and condition codes. */ |
975 | State.regs[OP[1]] = result; | |
976 | PSW &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV); | |
977 | PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0) | |
978 | | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0) | |
979 | | (sat ? PSW_SAT : 0)); | |
980 | ||
c906108c SS |
981 | trace_output (OP_REG_REG); |
982 | return 2; | |
983 | } | |
984 | ||
985 | /* satsubi sign_extend(imm16), reg */ | |
986 | int | |
a3976a7c | 987 | OP_660 (void) |
c906108c SS |
988 | { |
989 | unsigned int op0, op1, result, z, s, cy, ov, sat; | |
990 | int temp; | |
991 | ||
992 | trace_input ("satsubi", OP_IMM_REG, 0); | |
993 | ||
994 | /* Compute the result. */ | |
995 | temp = EXTEND16 (OP[2]); | |
996 | op0 = temp; | |
997 | op1 = State.regs[ OP[0] ]; | |
998 | result = op1 - op0; | |
999 | ||
1000 | /* Compute the condition codes. */ | |
1001 | z = (result == 0); | |
1002 | s = (result & 0x80000000); | |
1003 | cy = (op1 < op0); | |
1004 | ov = ((op1 & 0x80000000) != (op0 & 0x80000000) | |
1005 | && (op1 & 0x80000000) != (result & 0x80000000)); | |
1006 | sat = ov; | |
1007 | ||
c5fbc25b DD |
1008 | /* Handle saturated results. */ |
1009 | if (sat && s) | |
1010 | { | |
1011 | /* An overflow that results in a negative result implies that we | |
1012 | became too positive. */ | |
1013 | result = 0x7fffffff; | |
1014 | s = 0; | |
1015 | } | |
1016 | else if (sat) | |
1017 | { | |
1018 | /* Any other overflow must have thus been too negative. */ | |
1019 | result = 0x80000000; | |
1020 | s = 1; | |
1021 | z = 0; | |
1022 | } | |
1023 | ||
c906108c SS |
1024 | /* Store the result and condition codes. */ |
1025 | State.regs[OP[1]] = result; | |
1026 | PSW &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV); | |
1027 | PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0) | |
1028 | | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0) | |
1029 | | (sat ? PSW_SAT : 0)); | |
1030 | ||
c906108c SS |
1031 | trace_output (OP_IMM_REG); |
1032 | ||
1033 | return 4; | |
1034 | } | |
1035 | ||
1036 | /* satsubr reg,reg */ | |
1037 | int | |
a3976a7c | 1038 | OP_80 (void) |
c906108c SS |
1039 | { |
1040 | unsigned int op0, op1, result, z, s, cy, ov, sat; | |
1041 | ||
1042 | trace_input ("satsubr", OP_REG_REG, 0); | |
1043 | ||
1044 | /* Compute the result. */ | |
1045 | op0 = State.regs[ OP[0] ]; | |
1046 | op1 = State.regs[ OP[1] ]; | |
1047 | result = op0 - op1; | |
1048 | ||
1049 | /* Compute the condition codes. */ | |
1050 | z = (result == 0); | |
1051 | s = (result & 0x80000000); | |
c5fbc25b DD |
1052 | cy = (op0 < op1); |
1053 | ov = ((op0 & 0x80000000) != (op1 & 0x80000000) | |
1054 | && (op0 & 0x80000000) != (result & 0x80000000)); | |
c906108c | 1055 | sat = ov; |
c5fbc25b DD |
1056 | |
1057 | /* Handle saturated results. */ | |
1058 | if (sat && s) | |
1059 | { | |
1060 | /* An overflow that results in a negative result implies that we | |
1061 | became too positive. */ | |
1062 | result = 0x7fffffff; | |
1063 | s = 0; | |
1064 | } | |
1065 | else if (sat) | |
1066 | { | |
1067 | /* Any other overflow must have thus been too negative. */ | |
1068 | result = 0x80000000; | |
1069 | s = 1; | |
1070 | z = 0; | |
1071 | } | |
c906108c SS |
1072 | |
1073 | /* Store the result and condition codes. */ | |
1074 | State.regs[OP[1]] = result; | |
1075 | PSW &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV); | |
1076 | PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0) | |
1077 | | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0) | |
1078 | | (sat ? PSW_SAT : 0)); | |
1079 | ||
c906108c SS |
1080 | trace_output (OP_REG_REG); |
1081 | ||
1082 | return 2; | |
1083 | } | |
1084 | ||
1085 | /* tst reg,reg */ | |
1086 | int | |
a3976a7c | 1087 | OP_160 (void) |
c906108c SS |
1088 | { |
1089 | unsigned int op0, op1, result, z, s; | |
1090 | ||
1091 | trace_input ("tst", OP_REG_REG_CMP, 0); | |
1092 | ||
1093 | /* Compute the result. */ | |
1094 | op0 = State.regs[ OP[0] ]; | |
1095 | op1 = State.regs[ OP[1] ]; | |
1096 | result = op0 & op1; | |
1097 | ||
1098 | /* Compute the condition codes. */ | |
1099 | z = (result == 0); | |
1100 | s = (result & 0x80000000); | |
1101 | ||
1102 | /* Store the condition codes. */ | |
1103 | PSW &= ~(PSW_Z | PSW_S | PSW_OV); | |
1104 | PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)); | |
1105 | trace_output (OP_REG_REG_CMP); | |
1106 | ||
1107 | return 2; | |
1108 | } | |
1109 | ||
1110 | /* mov sign_extend(imm5), reg */ | |
1111 | int | |
a3976a7c | 1112 | OP_200 (void) |
c906108c SS |
1113 | { |
1114 | int value = SEXT5 (OP[0]); | |
1115 | ||
1116 | trace_input ("mov", OP_IMM_REG_MOVE, 0); | |
1117 | ||
1118 | State.regs[ OP[1] ] = value; | |
1119 | ||
1120 | trace_output (OP_IMM_REG_MOVE); | |
1121 | ||
1122 | return 2; | |
1123 | } | |
1124 | ||
1125 | /* movhi imm16, reg, reg */ | |
1126 | int | |
a3976a7c | 1127 | OP_640 (void) |
c906108c SS |
1128 | { |
1129 | trace_input ("movhi", OP_UIMM16_REG_REG, 16); | |
1130 | ||
1131 | State.regs[ OP[1] ] = State.regs[ OP[0] ] + (OP[2] << 16); | |
1132 | ||
1133 | trace_output (OP_UIMM16_REG_REG); | |
1134 | ||
1135 | return 4; | |
1136 | } | |
1137 | ||
1138 | /* sar zero_extend(imm5),reg1 */ | |
1139 | int | |
a3976a7c | 1140 | OP_2A0 (void) |
c906108c SS |
1141 | { |
1142 | unsigned int op0, op1, result, z, s, cy; | |
1143 | ||
1144 | trace_input ("sar", OP_IMM_REG, 0); | |
1145 | op0 = OP[0]; | |
1146 | op1 = State.regs[ OP[1] ]; | |
1147 | result = (signed)op1 >> op0; | |
1148 | ||
1149 | /* Compute the condition codes. */ | |
1150 | z = (result == 0); | |
1151 | s = (result & 0x80000000); | |
c5fbc25b | 1152 | cy = op0 ? (op1 & (1 << (op0 - 1))) : 0; |
c906108c SS |
1153 | |
1154 | /* Store the result and condition codes. */ | |
1155 | State.regs[ OP[1] ] = result; | |
1156 | PSW &= ~(PSW_Z | PSW_S | PSW_OV | PSW_CY); | |
1157 | PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0) | |
1158 | | (cy ? PSW_CY : 0)); | |
1159 | trace_output (OP_IMM_REG); | |
1160 | ||
1161 | return 2; | |
1162 | } | |
1163 | ||
1164 | /* sar reg1, reg2 */ | |
1165 | int | |
a3976a7c | 1166 | OP_A007E0 (void) |
c906108c SS |
1167 | { |
1168 | unsigned int op0, op1, result, z, s, cy; | |
1169 | ||
1170 | trace_input ("sar", OP_REG_REG, 0); | |
1171 | ||
1172 | op0 = State.regs[ OP[0] ] & 0x1f; | |
1173 | op1 = State.regs[ OP[1] ]; | |
1174 | result = (signed)op1 >> op0; | |
1175 | ||
1176 | /* Compute the condition codes. */ | |
1177 | z = (result == 0); | |
1178 | s = (result & 0x80000000); | |
c5fbc25b | 1179 | cy = op0 ? (op1 & (1 << (op0 - 1))) : 0; |
c906108c SS |
1180 | |
1181 | /* Store the result and condition codes. */ | |
1182 | State.regs[OP[1]] = result; | |
1183 | PSW &= ~(PSW_Z | PSW_S | PSW_OV | PSW_CY); | |
1184 | PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0) | |
1185 | | (cy ? PSW_CY : 0)); | |
1186 | trace_output (OP_REG_REG); | |
1187 | ||
1188 | return 4; | |
1189 | } | |
1190 | ||
1191 | /* shl zero_extend(imm5),reg1 */ | |
1192 | int | |
a3976a7c | 1193 | OP_2C0 (void) |
c906108c SS |
1194 | { |
1195 | unsigned int op0, op1, result, z, s, cy; | |
1196 | ||
1197 | trace_input ("shl", OP_IMM_REG, 0); | |
1198 | op0 = OP[0]; | |
1199 | op1 = State.regs[ OP[1] ]; | |
1200 | result = op1 << op0; | |
1201 | ||
1202 | /* Compute the condition codes. */ | |
1203 | z = (result == 0); | |
1204 | s = (result & 0x80000000); | |
c5fbc25b | 1205 | cy = op0 ? (op1 & (1 << (32 - op0))) : 0; |
c906108c SS |
1206 | |
1207 | /* Store the result and condition codes. */ | |
1208 | State.regs[OP[1]] = result; | |
1209 | PSW &= ~(PSW_Z | PSW_S | PSW_OV | PSW_CY); | |
1210 | PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0) | |
1211 | | (cy ? PSW_CY : 0)); | |
1212 | trace_output (OP_IMM_REG); | |
1213 | ||
1214 | return 2; | |
1215 | } | |
1216 | ||
1217 | /* shl reg1, reg2 */ | |
1218 | int | |
a3976a7c | 1219 | OP_C007E0 (void) |
c906108c SS |
1220 | { |
1221 | unsigned int op0, op1, result, z, s, cy; | |
1222 | ||
1223 | trace_input ("shl", OP_REG_REG, 0); | |
1224 | op0 = State.regs[ OP[0] ] & 0x1f; | |
1225 | op1 = State.regs[ OP[1] ]; | |
1226 | result = op1 << op0; | |
1227 | ||
1228 | /* Compute the condition codes. */ | |
1229 | z = (result == 0); | |
1230 | s = (result & 0x80000000); | |
c5fbc25b | 1231 | cy = op0 ? (op1 & (1 << (32 - op0))) : 0; |
c906108c SS |
1232 | |
1233 | /* Store the result and condition codes. */ | |
1234 | State.regs[OP[1]] = result; | |
1235 | PSW &= ~(PSW_Z | PSW_S | PSW_OV | PSW_CY); | |
1236 | PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0) | |
1237 | | (cy ? PSW_CY : 0)); | |
1238 | trace_output (OP_REG_REG); | |
1239 | ||
1240 | return 4; | |
1241 | } | |
1242 | ||
1243 | /* shr zero_extend(imm5),reg1 */ | |
1244 | int | |
a3976a7c | 1245 | OP_280 (void) |
c906108c SS |
1246 | { |
1247 | unsigned int op0, op1, result, z, s, cy; | |
1248 | ||
1249 | trace_input ("shr", OP_IMM_REG, 0); | |
1250 | op0 = OP[0]; | |
1251 | op1 = State.regs[ OP[1] ]; | |
1252 | result = op1 >> op0; | |
1253 | ||
1254 | /* Compute the condition codes. */ | |
1255 | z = (result == 0); | |
1256 | s = (result & 0x80000000); | |
c5fbc25b | 1257 | cy = op0 ? (op1 & (1 << (op0 - 1))) : 0; |
c906108c SS |
1258 | |
1259 | /* Store the result and condition codes. */ | |
1260 | State.regs[OP[1]] = result; | |
1261 | PSW &= ~(PSW_Z | PSW_S | PSW_OV | PSW_CY); | |
1262 | PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0) | |
1263 | | (cy ? PSW_CY : 0)); | |
1264 | trace_output (OP_IMM_REG); | |
1265 | ||
1266 | return 2; | |
1267 | } | |
1268 | ||
1269 | /* shr reg1, reg2 */ | |
1270 | int | |
a3976a7c | 1271 | OP_8007E0 (void) |
c906108c SS |
1272 | { |
1273 | unsigned int op0, op1, result, z, s, cy; | |
1274 | ||
1275 | trace_input ("shr", OP_REG_REG, 0); | |
1276 | op0 = State.regs[ OP[0] ] & 0x1f; | |
1277 | op1 = State.regs[ OP[1] ]; | |
1278 | result = op1 >> op0; | |
1279 | ||
1280 | /* Compute the condition codes. */ | |
1281 | z = (result == 0); | |
1282 | s = (result & 0x80000000); | |
c5fbc25b | 1283 | cy = op0 ? (op1 & (1 << (op0 - 1))) : 0; |
c906108c SS |
1284 | |
1285 | /* Store the result and condition codes. */ | |
1286 | State.regs[OP[1]] = result; | |
1287 | PSW &= ~(PSW_Z | PSW_S | PSW_OV | PSW_CY); | |
1288 | PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0) | |
1289 | | (cy ? PSW_CY : 0)); | |
1290 | trace_output (OP_REG_REG); | |
1291 | ||
1292 | return 4; | |
1293 | } | |
1294 | ||
1295 | /* or reg, reg */ | |
1296 | int | |
a3976a7c | 1297 | OP_100 (void) |
c906108c SS |
1298 | { |
1299 | unsigned int op0, op1, result, z, s; | |
1300 | ||
1301 | trace_input ("or", OP_REG_REG, 0); | |
1302 | ||
1303 | /* Compute the result. */ | |
1304 | op0 = State.regs[ OP[0] ]; | |
1305 | op1 = State.regs[ OP[1] ]; | |
1306 | result = op0 | op1; | |
1307 | ||
1308 | /* Compute the condition codes. */ | |
1309 | z = (result == 0); | |
1310 | s = (result & 0x80000000); | |
1311 | ||
1312 | /* Store the result and condition codes. */ | |
1313 | State.regs[OP[1]] = result; | |
1314 | PSW &= ~(PSW_Z | PSW_S | PSW_OV); | |
1315 | PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)); | |
1316 | trace_output (OP_REG_REG); | |
1317 | ||
1318 | return 2; | |
1319 | } | |
1320 | ||
1321 | /* ori zero_extend(imm16), reg, reg */ | |
1322 | int | |
a3976a7c | 1323 | OP_680 (void) |
c906108c SS |
1324 | { |
1325 | unsigned int op0, op1, result, z, s; | |
1326 | ||
1327 | trace_input ("ori", OP_UIMM16_REG_REG, 0); | |
1328 | op0 = OP[2]; | |
1329 | op1 = State.regs[ OP[0] ]; | |
1330 | result = op0 | op1; | |
1331 | ||
1332 | /* Compute the condition codes. */ | |
1333 | z = (result == 0); | |
1334 | s = (result & 0x80000000); | |
1335 | ||
1336 | /* Store the result and condition codes. */ | |
1337 | State.regs[OP[1]] = result; | |
1338 | PSW &= ~(PSW_Z | PSW_S | PSW_OV); | |
1339 | PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)); | |
1340 | trace_output (OP_UIMM16_REG_REG); | |
1341 | ||
1342 | return 4; | |
1343 | } | |
1344 | ||
1345 | /* and reg, reg */ | |
1346 | int | |
a3976a7c | 1347 | OP_140 (void) |
c906108c SS |
1348 | { |
1349 | unsigned int op0, op1, result, z, s; | |
1350 | ||
1351 | trace_input ("and", OP_REG_REG, 0); | |
1352 | ||
1353 | /* Compute the result. */ | |
1354 | op0 = State.regs[ OP[0] ]; | |
1355 | op1 = State.regs[ OP[1] ]; | |
1356 | result = op0 & op1; | |
1357 | ||
1358 | /* Compute the condition codes. */ | |
1359 | z = (result == 0); | |
1360 | s = (result & 0x80000000); | |
1361 | ||
1362 | /* Store the result and condition codes. */ | |
1363 | State.regs[OP[1]] = result; | |
1364 | PSW &= ~(PSW_Z | PSW_S | PSW_OV); | |
1365 | PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)); | |
1366 | trace_output (OP_REG_REG); | |
1367 | ||
1368 | return 2; | |
1369 | } | |
1370 | ||
1371 | /* andi zero_extend(imm16), reg, reg */ | |
1372 | int | |
a3976a7c | 1373 | OP_6C0 (void) |
c906108c SS |
1374 | { |
1375 | unsigned int result, z; | |
1376 | ||
1377 | trace_input ("andi", OP_UIMM16_REG_REG, 0); | |
1378 | ||
1379 | result = OP[2] & State.regs[ OP[0] ]; | |
1380 | ||
1381 | /* Compute the condition codes. */ | |
1382 | z = (result == 0); | |
1383 | ||
1384 | /* Store the result and condition codes. */ | |
1385 | State.regs[ OP[1] ] = result; | |
1386 | ||
1387 | PSW &= ~(PSW_Z | PSW_S | PSW_OV); | |
1388 | PSW |= (z ? PSW_Z : 0); | |
1389 | ||
1390 | trace_output (OP_UIMM16_REG_REG); | |
1391 | ||
1392 | return 4; | |
1393 | } | |
1394 | ||
1395 | /* xor reg, reg */ | |
1396 | int | |
a3976a7c | 1397 | OP_120 (void) |
c906108c SS |
1398 | { |
1399 | unsigned int op0, op1, result, z, s; | |
1400 | ||
1401 | trace_input ("xor", OP_REG_REG, 0); | |
1402 | ||
1403 | /* Compute the result. */ | |
1404 | op0 = State.regs[ OP[0] ]; | |
1405 | op1 = State.regs[ OP[1] ]; | |
1406 | result = op0 ^ op1; | |
1407 | ||
1408 | /* Compute the condition codes. */ | |
1409 | z = (result == 0); | |
1410 | s = (result & 0x80000000); | |
1411 | ||
1412 | /* Store the result and condition codes. */ | |
1413 | State.regs[OP[1]] = result; | |
1414 | PSW &= ~(PSW_Z | PSW_S | PSW_OV); | |
1415 | PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)); | |
1416 | trace_output (OP_REG_REG); | |
1417 | ||
1418 | return 2; | |
1419 | } | |
1420 | ||
1421 | /* xori zero_extend(imm16), reg, reg */ | |
1422 | int | |
a3976a7c | 1423 | OP_6A0 (void) |
c906108c SS |
1424 | { |
1425 | unsigned int op0, op1, result, z, s; | |
1426 | ||
1427 | trace_input ("xori", OP_UIMM16_REG_REG, 0); | |
1428 | op0 = OP[2]; | |
1429 | op1 = State.regs[ OP[0] ]; | |
1430 | result = op0 ^ op1; | |
1431 | ||
1432 | /* Compute the condition codes. */ | |
1433 | z = (result == 0); | |
1434 | s = (result & 0x80000000); | |
1435 | ||
1436 | /* Store the result and condition codes. */ | |
1437 | State.regs[OP[1]] = result; | |
1438 | PSW &= ~(PSW_Z | PSW_S | PSW_OV); | |
1439 | PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)); | |
1440 | trace_output (OP_UIMM16_REG_REG); | |
1441 | ||
1442 | return 4; | |
1443 | } | |
1444 | ||
1445 | /* not reg1, reg2 */ | |
1446 | int | |
a3976a7c | 1447 | OP_20 (void) |
c906108c SS |
1448 | { |
1449 | unsigned int op0, result, z, s; | |
1450 | ||
1451 | trace_input ("not", OP_REG_REG_MOVE, 0); | |
1452 | /* Compute the result. */ | |
1453 | op0 = State.regs[ OP[0] ]; | |
1454 | result = ~op0; | |
1455 | ||
1456 | /* Compute the condition codes. */ | |
1457 | z = (result == 0); | |
1458 | s = (result & 0x80000000); | |
1459 | ||
1460 | /* Store the result and condition codes. */ | |
1461 | State.regs[OP[1]] = result; | |
1462 | PSW &= ~(PSW_Z | PSW_S | PSW_OV); | |
1463 | PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0)); | |
1464 | trace_output (OP_REG_REG_MOVE); | |
1465 | ||
1466 | return 2; | |
1467 | } | |
1468 | ||
1469 | /* set1 */ | |
1470 | int | |
a3976a7c | 1471 | OP_7C0 (void) |
c906108c SS |
1472 | { |
1473 | unsigned int op0, op1, op2; | |
1474 | int temp; | |
1475 | ||
1476 | trace_input ("set1", OP_BIT, 0); | |
1477 | op0 = State.regs[ OP[0] ]; | |
1478 | op1 = OP[1] & 0x7; | |
1479 | temp = EXTEND16 (OP[2]); | |
1480 | op2 = temp; | |
1481 | temp = load_mem (op0 + op2, 1); | |
1482 | PSW &= ~PSW_Z; | |
1483 | if ((temp & (1 << op1)) == 0) | |
1484 | PSW |= PSW_Z; | |
1485 | temp |= (1 << op1); | |
1486 | store_mem (op0 + op2, 1, temp); | |
1487 | trace_output (OP_BIT); | |
1488 | ||
1489 | return 4; | |
1490 | } | |
1491 | ||
1492 | /* not1 */ | |
1493 | int | |
a3976a7c | 1494 | OP_47C0 (void) |
c906108c SS |
1495 | { |
1496 | unsigned int op0, op1, op2; | |
1497 | int temp; | |
1498 | ||
1499 | trace_input ("not1", OP_BIT, 0); | |
1500 | op0 = State.regs[ OP[0] ]; | |
1501 | op1 = OP[1] & 0x7; | |
1502 | temp = EXTEND16 (OP[2]); | |
1503 | op2 = temp; | |
1504 | temp = load_mem (op0 + op2, 1); | |
1505 | PSW &= ~PSW_Z; | |
1506 | if ((temp & (1 << op1)) == 0) | |
1507 | PSW |= PSW_Z; | |
1508 | temp ^= (1 << op1); | |
1509 | store_mem (op0 + op2, 1, temp); | |
1510 | trace_output (OP_BIT); | |
1511 | ||
1512 | return 4; | |
1513 | } | |
1514 | ||
1515 | /* clr1 */ | |
1516 | int | |
a3976a7c | 1517 | OP_87C0 (void) |
c906108c SS |
1518 | { |
1519 | unsigned int op0, op1, op2; | |
1520 | int temp; | |
1521 | ||
1522 | trace_input ("clr1", OP_BIT, 0); | |
1523 | op0 = State.regs[ OP[0] ]; | |
1524 | op1 = OP[1] & 0x7; | |
1525 | temp = EXTEND16 (OP[2]); | |
1526 | op2 = temp; | |
1527 | temp = load_mem (op0 + op2, 1); | |
1528 | PSW &= ~PSW_Z; | |
1529 | if ((temp & (1 << op1)) == 0) | |
1530 | PSW |= PSW_Z; | |
1531 | temp &= ~(1 << op1); | |
1532 | store_mem (op0 + op2, 1, temp); | |
1533 | trace_output (OP_BIT); | |
1534 | ||
1535 | return 4; | |
1536 | } | |
1537 | ||
1538 | /* tst1 */ | |
1539 | int | |
a3976a7c | 1540 | OP_C7C0 (void) |
c906108c SS |
1541 | { |
1542 | unsigned int op0, op1, op2; | |
1543 | int temp; | |
1544 | ||
1545 | trace_input ("tst1", OP_BIT, 0); | |
1546 | op0 = State.regs[ OP[0] ]; | |
1547 | op1 = OP[1] & 0x7; | |
1548 | temp = EXTEND16 (OP[2]); | |
1549 | op2 = temp; | |
1550 | temp = load_mem (op0 + op2, 1); | |
1551 | PSW &= ~PSW_Z; | |
1552 | if ((temp & (1 << op1)) == 0) | |
1553 | PSW |= PSW_Z; | |
1554 | trace_output (OP_BIT); | |
1555 | ||
1556 | return 4; | |
1557 | } | |
1558 | ||
1559 | /* di */ | |
1560 | int | |
a3976a7c | 1561 | OP_16007E0 (void) |
c906108c SS |
1562 | { |
1563 | trace_input ("di", OP_NONE, 0); | |
1564 | PSW |= PSW_ID; | |
1565 | trace_output (OP_NONE); | |
1566 | ||
1567 | return 4; | |
1568 | } | |
1569 | ||
1570 | /* ei */ | |
1571 | int | |
a3976a7c | 1572 | OP_16087E0 (void) |
c906108c SS |
1573 | { |
1574 | trace_input ("ei", OP_NONE, 0); | |
1575 | PSW &= ~PSW_ID; | |
1576 | trace_output (OP_NONE); | |
1577 | ||
1578 | return 4; | |
1579 | } | |
1580 | ||
1581 | /* halt */ | |
1582 | int | |
a3976a7c | 1583 | OP_12007E0 (void) |
c906108c SS |
1584 | { |
1585 | trace_input ("halt", OP_NONE, 0); | |
1586 | /* FIXME this should put processor into a mode where NMI still handled */ | |
1587 | trace_output (OP_NONE); | |
1588 | sim_engine_halt (simulator, STATE_CPU (simulator, 0), NULL, PC, | |
1589 | sim_stopped, SIM_SIGTRAP); | |
1590 | return 0; | |
1591 | } | |
1592 | ||
1593 | /* trap */ | |
1594 | int | |
a3976a7c | 1595 | OP_10007E0 (void) |
c906108c SS |
1596 | { |
1597 | trace_input ("trap", OP_TRAP, 0); | |
1598 | trace_output (OP_TRAP); | |
1599 | ||
1600 | /* Trap 31 is used for simulating OS I/O functions */ | |
1601 | ||
1602 | if (OP[0] == 31) | |
1603 | { | |
1604 | int save_errno = errno; | |
1605 | errno = 0; | |
1606 | ||
1607 | /* Registers passed to trap 0 */ | |
1608 | ||
1609 | #define FUNC State.regs[6] /* function number, return value */ | |
1610 | #define PARM1 State.regs[7] /* optional parm 1 */ | |
1611 | #define PARM2 State.regs[8] /* optional parm 2 */ | |
1612 | #define PARM3 State.regs[9] /* optional parm 3 */ | |
1613 | ||
1614 | /* Registers set by trap 0 */ | |
1615 | ||
1616 | #define RETVAL State.regs[10] /* return value */ | |
1617 | #define RETERR State.regs[11] /* return error code */ | |
1618 | ||
1619 | /* Turn a pointer in a register into a pointer into real memory. */ | |
1620 | ||
1621 | #define MEMPTR(x) (map (x)) | |
1622 | ||
d0f0baa2 KB |
1623 | RETERR = 0; |
1624 | ||
c906108c SS |
1625 | switch (FUNC) |
1626 | { | |
1627 | ||
1628 | #ifdef HAVE_FORK | |
1629 | #ifdef TARGET_SYS_fork | |
1630 | case TARGET_SYS_fork: | |
1631 | RETVAL = fork (); | |
d0f0baa2 | 1632 | RETERR = errno; |
c906108c SS |
1633 | break; |
1634 | #endif | |
1635 | #endif | |
1636 | ||
1637 | #ifdef HAVE_EXECVE | |
1638 | #ifdef TARGET_SYS_execv | |
1639 | case TARGET_SYS_execve: | |
1640 | { | |
1641 | char *path = fetch_str (simulator, PARM1); | |
1642 | char **argv = fetch_argv (simulator, PARM2); | |
1643 | char **envp = fetch_argv (simulator, PARM3); | |
1f8ef36f | 1644 | RETVAL = execve (path, (void *)argv, (void *)envp); |
d79fe0d6 | 1645 | free (path); |
c906108c SS |
1646 | freeargv (argv); |
1647 | freeargv (envp); | |
d0f0baa2 | 1648 | RETERR = errno; |
c906108c SS |
1649 | break; |
1650 | } | |
1651 | #endif | |
1652 | #endif | |
1653 | ||
1654 | #if HAVE_EXECV | |
1655 | #ifdef TARGET_SYS_execv | |
1656 | case TARGET_SYS_execv: | |
1657 | { | |
1658 | char *path = fetch_str (simulator, PARM1); | |
1659 | char **argv = fetch_argv (simulator, PARM2); | |
1f8ef36f | 1660 | RETVAL = execv (path, (void *)argv); |
d79fe0d6 | 1661 | free (path); |
c906108c | 1662 | freeargv (argv); |
d0f0baa2 | 1663 | RETERR = errno; |
c906108c SS |
1664 | break; |
1665 | } | |
1666 | #endif | |
1667 | #endif | |
1668 | ||
1669 | #if 0 | |
1670 | #ifdef TARGET_SYS_pipe | |
1671 | case TARGET_SYS_pipe: | |
1672 | { | |
1673 | reg_t buf; | |
1674 | int host_fd[2]; | |
1675 | ||
1676 | buf = PARM1; | |
1677 | RETVAL = pipe (host_fd); | |
1678 | SW (buf, host_fd[0]); | |
a3976a7c | 1679 | buf += sizeof (uint16); |
c906108c | 1680 | SW (buf, host_fd[1]); |
d0f0baa2 | 1681 | RETERR = errno; |
c906108c SS |
1682 | } |
1683 | break; | |
1684 | #endif | |
1685 | #endif | |
1686 | ||
1687 | #if 0 | |
1688 | #ifdef TARGET_SYS_wait | |
1689 | case TARGET_SYS_wait: | |
1690 | { | |
1691 | int status; | |
1692 | ||
1693 | RETVAL = wait (&status); | |
1694 | SW (PARM1, status); | |
d0f0baa2 | 1695 | RETERR = errno; |
c906108c SS |
1696 | } |
1697 | break; | |
1698 | #endif | |
1699 | #endif | |
1700 | ||
1701 | #ifdef TARGET_SYS_read | |
1702 | case TARGET_SYS_read: | |
1703 | { | |
1704 | char *buf = zalloc (PARM3); | |
1705 | RETVAL = sim_io_read (simulator, PARM1, buf, PARM3); | |
a3976a7c | 1706 | sim_write (simulator, PARM2, (unsigned char *) buf, PARM3); |
d79fe0d6 | 1707 | free (buf); |
d0f0baa2 KB |
1708 | if ((int) RETVAL < 0) |
1709 | RETERR = sim_io_get_errno (simulator); | |
c906108c SS |
1710 | break; |
1711 | } | |
1712 | #endif | |
1713 | ||
1714 | #ifdef TARGET_SYS_write | |
1715 | case TARGET_SYS_write: | |
1716 | { | |
1717 | char *buf = zalloc (PARM3); | |
a3976a7c | 1718 | sim_read (simulator, PARM2, (unsigned char *) buf, PARM3); |
c906108c SS |
1719 | if (PARM1 == 1) |
1720 | RETVAL = sim_io_write_stdout (simulator, buf, PARM3); | |
1721 | else | |
1722 | RETVAL = sim_io_write (simulator, PARM1, buf, PARM3); | |
d79fe0d6 | 1723 | free (buf); |
d0f0baa2 KB |
1724 | if ((int) RETVAL < 0) |
1725 | RETERR = sim_io_get_errno (simulator); | |
c906108c SS |
1726 | break; |
1727 | } | |
1728 | #endif | |
1729 | ||
1730 | #ifdef TARGET_SYS_lseek | |
1731 | case TARGET_SYS_lseek: | |
1732 | RETVAL = sim_io_lseek (simulator, PARM1, PARM2, PARM3); | |
d0f0baa2 KB |
1733 | if ((int) RETVAL < 0) |
1734 | RETERR = sim_io_get_errno (simulator); | |
c906108c SS |
1735 | break; |
1736 | #endif | |
1737 | ||
1738 | #ifdef TARGET_SYS_close | |
1739 | case TARGET_SYS_close: | |
1740 | RETVAL = sim_io_close (simulator, PARM1); | |
d0f0baa2 KB |
1741 | if ((int) RETVAL < 0) |
1742 | RETERR = sim_io_get_errno (simulator); | |
c906108c SS |
1743 | break; |
1744 | #endif | |
1745 | ||
1746 | #ifdef TARGET_SYS_open | |
1747 | case TARGET_SYS_open: | |
1748 | { | |
1749 | char *buf = fetch_str (simulator, PARM1); | |
1750 | RETVAL = sim_io_open (simulator, buf, PARM2); | |
d79fe0d6 | 1751 | free (buf); |
d0f0baa2 KB |
1752 | if ((int) RETVAL < 0) |
1753 | RETERR = sim_io_get_errno (simulator); | |
c906108c SS |
1754 | break; |
1755 | } | |
1756 | #endif | |
1757 | ||
1758 | #ifdef TARGET_SYS_exit | |
1759 | case TARGET_SYS_exit: | |
1760 | if ((PARM1 & 0xffff0000) == 0xdead0000 && (PARM1 & 0xffff) != 0) | |
1761 | /* get signal encoded by kill */ | |
1762 | sim_engine_halt (simulator, STATE_CPU (simulator, 0), NULL, PC, | |
1763 | sim_signalled, PARM1 & 0xffff); | |
1764 | else if (PARM1 == 0xdead) | |
1765 | /* old libraries */ | |
1766 | sim_engine_halt (simulator, STATE_CPU (simulator, 0), NULL, PC, | |
1767 | sim_stopped, SIM_SIGABRT); | |
1768 | else | |
1769 | /* PARM1 has exit status */ | |
1770 | sim_engine_halt (simulator, STATE_CPU (simulator, 0), NULL, PC, | |
1771 | sim_exited, PARM1); | |
1772 | break; | |
1773 | #endif | |
1774 | ||
c906108c SS |
1775 | #ifdef TARGET_SYS_stat |
1776 | case TARGET_SYS_stat: /* added at hmsi */ | |
1777 | /* stat system call */ | |
1778 | { | |
1779 | struct stat host_stat; | |
1780 | reg_t buf; | |
1781 | char *path = fetch_str (simulator, PARM1); | |
1782 | ||
d0f0baa2 | 1783 | RETVAL = sim_io_stat (simulator, path, &host_stat); |
c906108c | 1784 | |
d79fe0d6 | 1785 | free (path); |
c906108c SS |
1786 | buf = PARM2; |
1787 | ||
1788 | /* Just wild-assed guesses. */ | |
1789 | store_mem (buf, 2, host_stat.st_dev); | |
1790 | store_mem (buf + 2, 2, host_stat.st_ino); | |
1791 | store_mem (buf + 4, 4, host_stat.st_mode); | |
1792 | store_mem (buf + 8, 2, host_stat.st_nlink); | |
1793 | store_mem (buf + 10, 2, host_stat.st_uid); | |
1794 | store_mem (buf + 12, 2, host_stat.st_gid); | |
1795 | store_mem (buf + 14, 2, host_stat.st_rdev); | |
1796 | store_mem (buf + 16, 4, host_stat.st_size); | |
1797 | store_mem (buf + 20, 4, host_stat.st_atime); | |
1798 | store_mem (buf + 28, 4, host_stat.st_mtime); | |
1799 | store_mem (buf + 36, 4, host_stat.st_ctime); | |
d0f0baa2 KB |
1800 | |
1801 | if ((int) RETVAL < 0) | |
1802 | RETERR = sim_io_get_errno (simulator); | |
1803 | } | |
1804 | break; | |
1805 | #endif | |
1806 | ||
1807 | #ifdef TARGET_SYS_fstat | |
1808 | case TARGET_SYS_fstat: | |
1809 | /* fstat system call */ | |
1810 | { | |
1811 | struct stat host_stat; | |
1812 | reg_t buf; | |
1813 | ||
1814 | RETVAL = sim_io_fstat (simulator, PARM1, &host_stat); | |
1815 | ||
1816 | buf = PARM2; | |
1817 | ||
1818 | /* Just wild-assed guesses. */ | |
1819 | store_mem (buf, 2, host_stat.st_dev); | |
1820 | store_mem (buf + 2, 2, host_stat.st_ino); | |
1821 | store_mem (buf + 4, 4, host_stat.st_mode); | |
1822 | store_mem (buf + 8, 2, host_stat.st_nlink); | |
1823 | store_mem (buf + 10, 2, host_stat.st_uid); | |
1824 | store_mem (buf + 12, 2, host_stat.st_gid); | |
1825 | store_mem (buf + 14, 2, host_stat.st_rdev); | |
1826 | store_mem (buf + 16, 4, host_stat.st_size); | |
1827 | store_mem (buf + 20, 4, host_stat.st_atime); | |
1828 | store_mem (buf + 28, 4, host_stat.st_mtime); | |
1829 | store_mem (buf + 36, 4, host_stat.st_ctime); | |
1830 | ||
1831 | if ((int) RETVAL < 0) | |
1832 | RETERR = sim_io_get_errno (simulator); | |
c906108c SS |
1833 | } |
1834 | break; | |
1835 | #endif | |
d0f0baa2 KB |
1836 | |
1837 | #ifdef TARGET_SYS_rename | |
1838 | case TARGET_SYS_rename: | |
1839 | { | |
1840 | char *oldpath = fetch_str (simulator, PARM1); | |
1841 | char *newpath = fetch_str (simulator, PARM2); | |
1842 | RETVAL = sim_io_rename (simulator, oldpath, newpath); | |
1843 | free (oldpath); | |
1844 | free (newpath); | |
1845 | if ((int) RETVAL < 0) | |
1846 | RETERR = sim_io_get_errno (simulator); | |
1847 | } | |
1848 | break; | |
1849 | #endif | |
1850 | ||
1851 | #ifdef TARGET_SYS_unlink | |
1852 | case TARGET_SYS_unlink: | |
1853 | { | |
1854 | char *path = fetch_str (simulator, PARM1); | |
1855 | RETVAL = sim_io_unlink (simulator, path); | |
1856 | free (path); | |
1857 | if ((int) RETVAL < 0) | |
1858 | RETERR = sim_io_get_errno (simulator); | |
1859 | } | |
1860 | break; | |
c906108c SS |
1861 | #endif |
1862 | ||
c906108c SS |
1863 | #ifdef TARGET_SYS_chown |
1864 | case TARGET_SYS_chown: | |
1865 | { | |
1866 | char *path = fetch_str (simulator, PARM1); | |
1867 | RETVAL = chown (path, PARM2, PARM3); | |
d79fe0d6 | 1868 | free (path); |
d0f0baa2 | 1869 | RETERR = errno; |
c906108c SS |
1870 | } |
1871 | break; | |
1872 | #endif | |
c906108c SS |
1873 | |
1874 | #if HAVE_CHMOD | |
1875 | #ifdef TARGET_SYS_chmod | |
1876 | case TARGET_SYS_chmod: | |
1877 | { | |
1878 | char *path = fetch_str (simulator, PARM1); | |
1879 | RETVAL = chmod (path, PARM2); | |
d79fe0d6 | 1880 | free (path); |
d0f0baa2 | 1881 | RETERR = errno; |
c906108c SS |
1882 | } |
1883 | break; | |
1884 | #endif | |
1885 | #endif | |
1886 | ||
1887 | #ifdef TARGET_SYS_time | |
1888 | #if HAVE_TIME | |
1889 | case TARGET_SYS_time: | |
1890 | { | |
1891 | time_t now; | |
1892 | RETVAL = time (&now); | |
1893 | store_mem (PARM1, 4, now); | |
d0f0baa2 | 1894 | RETERR = errno; |
c906108c SS |
1895 | } |
1896 | break; | |
1897 | #endif | |
1898 | #endif | |
1899 | ||
1900 | #if !defined(__GO32__) && !defined(_WIN32) | |
1901 | #ifdef TARGET_SYS_times | |
1902 | case TARGET_SYS_times: | |
1903 | { | |
1904 | struct tms tms; | |
1905 | RETVAL = times (&tms); | |
1906 | store_mem (PARM1, 4, tms.tms_utime); | |
1907 | store_mem (PARM1 + 4, 4, tms.tms_stime); | |
1908 | store_mem (PARM1 + 8, 4, tms.tms_cutime); | |
1909 | store_mem (PARM1 + 12, 4, tms.tms_cstime); | |
44b30b7f | 1910 | RETERR = errno; |
c906108c SS |
1911 | break; |
1912 | } | |
1913 | #endif | |
1914 | #endif | |
1915 | ||
1916 | #ifdef TARGET_SYS_gettimeofday | |
1917 | #if !defined(__GO32__) && !defined(_WIN32) | |
1918 | case TARGET_SYS_gettimeofday: | |
1919 | { | |
1920 | struct timeval t; | |
1921 | struct timezone tz; | |
1922 | RETVAL = gettimeofday (&t, &tz); | |
1923 | store_mem (PARM1, 4, t.tv_sec); | |
1924 | store_mem (PARM1 + 4, 4, t.tv_usec); | |
1925 | store_mem (PARM2, 4, tz.tz_minuteswest); | |
1926 | store_mem (PARM2 + 4, 4, tz.tz_dsttime); | |
d0f0baa2 | 1927 | RETERR = errno; |
c906108c SS |
1928 | break; |
1929 | } | |
1930 | #endif | |
1931 | #endif | |
1932 | ||
1933 | #ifdef TARGET_SYS_utime | |
1934 | #if HAVE_UTIME | |
1935 | case TARGET_SYS_utime: | |
1936 | { | |
1937 | /* Cast the second argument to void *, to avoid type mismatch | |
1938 | if a prototype is present. */ | |
1939 | sim_io_error (simulator, "Utime not supported"); | |
1940 | /* RETVAL = utime (path, (void *) MEMPTR (PARM2)); */ | |
1941 | } | |
1942 | break; | |
1943 | #endif | |
1944 | #endif | |
1945 | ||
1946 | default: | |
1947 | abort (); | |
1948 | } | |
c906108c SS |
1949 | errno = save_errno; |
1950 | ||
1951 | return 4; | |
1952 | } | |
1953 | else | |
1954 | { /* Trap 0 -> 30 */ | |
1955 | EIPC = PC + 4; | |
1956 | EIPSW = PSW; | |
1957 | /* Mask out EICC */ | |
1958 | ECR &= 0xffff0000; | |
1959 | ECR |= 0x40 + OP[0]; | |
1960 | /* Flag that we are now doing exception processing. */ | |
1961 | PSW |= PSW_EP | PSW_ID; | |
2e8162ce | 1962 | PC = (OP[0] < 0x10) ? 0x40 : 0x50; |
c906108c SS |
1963 | |
1964 | return 0; | |
1965 | } | |
1966 | } | |
1967 | ||
1968 | /* tst1 reg2, [reg1] */ | |
1969 | int | |
1970 | OP_E607E0 (void) | |
1971 | { | |
1972 | int temp; | |
1973 | ||
1974 | trace_input ("tst1", OP_BIT, 1); | |
1975 | ||
1976 | temp = load_mem (State.regs[ OP[0] ], 1); | |
1977 | ||
1978 | PSW &= ~PSW_Z; | |
30458d39 | 1979 | if ((temp & (1 << (State.regs[ OP[1] ] & 0x7))) == 0) |
c906108c SS |
1980 | PSW |= PSW_Z; |
1981 | ||
1982 | trace_output (OP_BIT); | |
1983 | ||
1984 | return 4; | |
1985 | } | |
1986 | ||
1987 | /* mulu reg1, reg2, reg3 */ | |
1988 | int | |
1989 | OP_22207E0 (void) | |
1990 | { | |
1991 | trace_input ("mulu", OP_REG_REG_REG, 0); | |
1992 | ||
0da2b665 | 1993 | Multiply64 (0, State.regs[ OP[0] ]); |
c906108c SS |
1994 | |
1995 | trace_output (OP_REG_REG_REG); | |
1996 | ||
1997 | return 4; | |
1998 | } | |
1999 | ||
2000 | #define BIT_CHANGE_OP( name, binop ) \ | |
2001 | unsigned int bit; \ | |
2002 | unsigned int temp; \ | |
2003 | \ | |
2004 | trace_input (name, OP_BIT_CHANGE, 0); \ | |
2005 | \ | |
30458d39 | 2006 | bit = 1 << (State.regs[ OP[1] ] & 0x7); \ |
c906108c SS |
2007 | temp = load_mem (State.regs[ OP[0] ], 1); \ |
2008 | \ | |
2009 | PSW &= ~PSW_Z; \ | |
2010 | if ((temp & bit) == 0) \ | |
2011 | PSW |= PSW_Z; \ | |
2012 | temp binop bit; \ | |
2013 | \ | |
2014 | store_mem (State.regs[ OP[0] ], 1, temp); \ | |
2015 | \ | |
2016 | trace_output (OP_BIT_CHANGE); \ | |
2017 | \ | |
2018 | return 4; | |
2019 | ||
2020 | /* clr1 reg2, [reg1] */ | |
2021 | int | |
2022 | OP_E407E0 (void) | |
2023 | { | |
2024 | BIT_CHANGE_OP ("clr1", &= ~ ); | |
2025 | } | |
2026 | ||
2027 | /* not1 reg2, [reg1] */ | |
2028 | int | |
2029 | OP_E207E0 (void) | |
2030 | { | |
2031 | BIT_CHANGE_OP ("not1", ^= ); | |
2032 | } | |
2033 | ||
2034 | /* set1 */ | |
2035 | int | |
2036 | OP_E007E0 (void) | |
2037 | { | |
2038 | BIT_CHANGE_OP ("set1", |= ); | |
2039 | } | |
2040 | ||
2041 | /* sasf */ | |
2042 | int | |
2043 | OP_20007E0 (void) | |
2044 | { | |
2045 | trace_input ("sasf", OP_EX1, 0); | |
2046 | ||
2047 | State.regs[ OP[1] ] = (State.regs[ OP[1] ] << 1) | condition_met (OP[0]); | |
2048 | ||
2049 | trace_output (OP_EX1); | |
2050 | ||
2051 | return 4; | |
2052 | } | |
2053 | ||
2054 | /* This function is courtesy of Sugimoto at NEC, via Seow Tan | |
2055 | (Soew_Tan@el.nec.com) */ | |
2056 | void | |
2057 | divun | |
2058 | ( | |
2059 | unsigned int N, | |
2060 | unsigned long int als, | |
2061 | unsigned long int sfi, | |
2062 | unsigned32 /*unsigned long int*/ * quotient_ptr, | |
2063 | unsigned32 /*unsigned long int*/ * remainder_ptr, | |
0da2b665 | 2064 | int * overflow_ptr |
c906108c SS |
2065 | ) |
2066 | { | |
2067 | unsigned long ald = sfi >> (N - 1); | |
2068 | unsigned long alo = als; | |
2069 | unsigned int Q = 1; | |
2070 | unsigned int C; | |
2071 | unsigned int S = 0; | |
2072 | unsigned int i; | |
2073 | unsigned int R1 = 1; | |
2074 | unsigned int DBZ = (als == 0) ? 1 : 0; | |
2075 | unsigned long alt = Q ? ~als : als; | |
2076 | ||
2077 | /* 1st Loop */ | |
2078 | alo = ald + alt + Q; | |
2079 | C = (((alt >> 31) & (ald >> 31)) | |
2080 | | (((alt >> 31) ^ (ald >> 31)) & (~alo >> 31))); | |
2081 | C = C ^ Q; | |
2082 | Q = ~(C ^ S) & 1; | |
2083 | R1 = (alo == 0) ? 0 : (R1 & Q); | |
2084 | if ((S ^ (alo>>31)) && !C) | |
2085 | { | |
2086 | DBZ = 1; | |
2087 | } | |
2088 | S = alo >> 31; | |
2089 | sfi = (sfi << (32-N+1)) | Q; | |
2090 | ald = (alo << 1) | (sfi >> 31); | |
2091 | ||
2092 | /* 2nd - N-1th Loop */ | |
2093 | for (i = 2; i < N; i++) | |
2094 | { | |
2095 | alt = Q ? ~als : als; | |
2096 | alo = ald + alt + Q; | |
2097 | C = (((alt >> 31) & (ald >> 31)) | |
2098 | | (((alt >> 31) ^ (ald >> 31)) & (~alo >> 31))); | |
2099 | C = C ^ Q; | |
2100 | Q = ~(C ^ S) & 1; | |
2101 | R1 = (alo == 0) ? 0 : (R1 & Q); | |
2102 | if ((S ^ (alo>>31)) && !C && !DBZ) | |
2103 | { | |
2104 | DBZ = 1; | |
2105 | } | |
2106 | S = alo >> 31; | |
2107 | sfi = (sfi << 1) | Q; | |
2108 | ald = (alo << 1) | (sfi >> 31); | |
2109 | } | |
2110 | ||
2111 | /* Nth Loop */ | |
2112 | alt = Q ? ~als : als; | |
2113 | alo = ald + alt + Q; | |
2114 | C = (((alt >> 31) & (ald >> 31)) | |
2115 | | (((alt >> 31) ^ (ald >> 31)) & (~alo >> 31))); | |
2116 | C = C ^ Q; | |
2117 | Q = ~(C ^ S) & 1; | |
2118 | R1 = (alo == 0) ? 0 : (R1 & Q); | |
2119 | if ((S ^ (alo>>31)) && !C) | |
2120 | { | |
2121 | DBZ = 1; | |
2122 | } | |
2123 | ||
2124 | * quotient_ptr = (sfi << 1) | Q; | |
2125 | * remainder_ptr = Q ? alo : (alo + als); | |
2126 | * overflow_ptr = DBZ | R1; | |
2127 | } | |
2128 | ||
2129 | /* This function is courtesy of Sugimoto at NEC, via Seow Tan (Soew_Tan@el.nec.com) */ | |
2130 | void | |
2131 | divn | |
2132 | ( | |
2133 | unsigned int N, | |
2134 | unsigned long int als, | |
2135 | unsigned long int sfi, | |
2136 | signed32 /*signed long int*/ * quotient_ptr, | |
2137 | signed32 /*signed long int*/ * remainder_ptr, | |
0da2b665 | 2138 | int * overflow_ptr |
c906108c SS |
2139 | ) |
2140 | { | |
2141 | unsigned long ald = (signed long) sfi >> (N - 1); | |
2142 | unsigned long alo = als; | |
2143 | unsigned int SS = als >> 31; | |
2144 | unsigned int SD = sfi >> 31; | |
2145 | unsigned int R1 = 1; | |
2146 | unsigned int OV; | |
2147 | unsigned int DBZ = als == 0 ? 1 : 0; | |
2148 | unsigned int Q = ~(SS ^ SD) & 1; | |
2149 | unsigned int C; | |
2150 | unsigned int S; | |
2151 | unsigned int i; | |
2152 | unsigned long alt = Q ? ~als : als; | |
2153 | ||
2154 | ||
2155 | /* 1st Loop */ | |
2156 | ||
2157 | alo = ald + alt + Q; | |
2158 | C = (((alt >> 31) & (ald >> 31)) | |
2159 | | (((alt >> 31) ^ (ald >> 31)) & (~alo >> 31))); | |
2160 | Q = C ^ SS; | |
2161 | R1 = (alo == 0) ? 0 : (R1 & (Q ^ (SS ^ SD))); | |
2162 | S = alo >> 31; | |
2163 | sfi = (sfi << (32-N+1)) | Q; | |
2164 | ald = (alo << 1) | (sfi >> 31); | |
2165 | if ((alo >> 31) ^ (ald >> 31)) | |
2166 | { | |
2167 | DBZ = 1; | |
2168 | } | |
2169 | ||
2170 | /* 2nd - N-1th Loop */ | |
2171 | ||
2172 | for (i = 2; i < N; i++) | |
2173 | { | |
2174 | alt = Q ? ~als : als; | |
2175 | alo = ald + alt + Q; | |
2176 | C = (((alt >> 31) & (ald >> 31)) | |
2177 | | (((alt >> 31) ^ (ald >> 31)) & (~alo >> 31))); | |
2178 | Q = C ^ SS; | |
2179 | R1 = (alo == 0) ? 0 : (R1 & (Q ^ (SS ^ SD))); | |
2180 | S = alo >> 31; | |
2181 | sfi = (sfi << 1) | Q; | |
2182 | ald = (alo << 1) | (sfi >> 31); | |
2183 | if ((alo >> 31) ^ (ald >> 31)) | |
2184 | { | |
2185 | DBZ = 1; | |
2186 | } | |
2187 | } | |
2188 | ||
2189 | /* Nth Loop */ | |
2190 | alt = Q ? ~als : als; | |
2191 | alo = ald + alt + Q; | |
2192 | C = (((alt >> 31) & (ald >> 31)) | |
2193 | | (((alt >> 31) ^ (ald >> 31)) & (~alo >> 31))); | |
2194 | Q = C ^ SS; | |
2195 | R1 = (alo == 0) ? 0 : (R1 & (Q ^ (SS ^ SD))); | |
2196 | sfi = (sfi << (32-N+1)); | |
2197 | ald = alo; | |
2198 | ||
2199 | /* End */ | |
2200 | if (alo != 0) | |
2201 | { | |
2202 | alt = Q ? ~als : als; | |
2203 | alo = ald + alt + Q; | |
2204 | } | |
2205 | R1 = R1 & ((~alo >> 31) ^ SD); | |
2206 | if ((alo != 0) && ((Q ^ (SS ^ SD)) ^ R1)) alo = ald; | |
2207 | if (N != 32) | |
2208 | ald = sfi = (long) ((sfi >> 1) | (SS ^ SD) << 31) >> (32-N-1) | Q; | |
2209 | else | |
2210 | ald = sfi = sfi | Q; | |
2211 | ||
2212 | OV = DBZ | ((alo == 0) ? 0 : R1); | |
2213 | ||
2214 | * remainder_ptr = alo; | |
2215 | ||
2216 | /* Adj */ | |
2217 | if (((alo != 0) && ((SS ^ SD) ^ R1)) | |
2218 | || ((alo == 0) && (SS ^ R1))) | |
2219 | alo = ald + 1; | |
2220 | else | |
2221 | alo = ald; | |
2222 | ||
2223 | OV = (DBZ | R1) ? OV : ((alo >> 31) & (~ald >> 31)); | |
2224 | ||
2225 | * quotient_ptr = alo; | |
2226 | * overflow_ptr = OV; | |
2227 | } | |
2228 | ||
2229 | /* sdivun imm5, reg1, reg2, reg3 */ | |
2230 | int | |
2231 | OP_1C207E0 (void) | |
2232 | { | |
2233 | unsigned32 /*unsigned long int*/ quotient; | |
2234 | unsigned32 /*unsigned long int*/ remainder; | |
2235 | unsigned long int divide_by; | |
2236 | unsigned long int divide_this; | |
0da2b665 | 2237 | int overflow = 0; |
c906108c SS |
2238 | unsigned int imm5; |
2239 | ||
2240 | trace_input ("sdivun", OP_IMM_REG_REG_REG, 0); | |
2241 | ||
2242 | imm5 = 32 - ((OP[3] & 0x3c0000) >> 17); | |
2243 | ||
2244 | divide_by = State.regs[ OP[0] ]; | |
2245 | divide_this = State.regs[ OP[1] ] << imm5; | |
2246 | ||
2247 | divun (imm5, divide_by, divide_this, & quotient, & remainder, & overflow); | |
2248 | ||
2249 | State.regs[ OP[1] ] = quotient; | |
2250 | State.regs[ OP[2] >> 11 ] = remainder; | |
2251 | ||
2252 | /* Set condition codes. */ | |
2253 | PSW &= ~(PSW_Z | PSW_S | PSW_OV); | |
2254 | ||
2255 | if (overflow) PSW |= PSW_OV; | |
2256 | if (quotient == 0) PSW |= PSW_Z; | |
2257 | if (quotient & 0x80000000) PSW |= PSW_S; | |
2258 | ||
2259 | trace_output (OP_IMM_REG_REG_REG); | |
2260 | ||
2261 | return 4; | |
2262 | } | |
2263 | ||
2264 | /* sdivn imm5, reg1, reg2, reg3 */ | |
2265 | int | |
2266 | OP_1C007E0 (void) | |
2267 | { | |
2268 | signed32 /*signed long int*/ quotient; | |
2269 | signed32 /*signed long int*/ remainder; | |
2270 | signed long int divide_by; | |
2271 | signed long int divide_this; | |
0da2b665 | 2272 | int overflow = 0; |
c906108c SS |
2273 | unsigned int imm5; |
2274 | ||
2275 | trace_input ("sdivn", OP_IMM_REG_REG_REG, 0); | |
2276 | ||
2277 | imm5 = 32 - ((OP[3] & 0x3c0000) >> 17); | |
2278 | ||
98e460c3 DD |
2279 | divide_by = (signed32) State.regs[ OP[0] ]; |
2280 | divide_this = (signed32) (State.regs[ OP[1] ] << imm5); | |
c906108c SS |
2281 | |
2282 | divn (imm5, divide_by, divide_this, & quotient, & remainder, & overflow); | |
2283 | ||
2284 | State.regs[ OP[1] ] = quotient; | |
2285 | State.regs[ OP[2] >> 11 ] = remainder; | |
2286 | ||
2287 | /* Set condition codes. */ | |
2288 | PSW &= ~(PSW_Z | PSW_S | PSW_OV); | |
2289 | ||
2290 | if (overflow) PSW |= PSW_OV; | |
2291 | if (quotient == 0) PSW |= PSW_Z; | |
2292 | if (quotient < 0) PSW |= PSW_S; | |
2293 | ||
2294 | trace_output (OP_IMM_REG_REG_REG); | |
2295 | ||
2296 | return 4; | |
2297 | } | |
2298 | ||
2299 | /* sdivhun imm5, reg1, reg2, reg3 */ | |
2300 | int | |
2301 | OP_18207E0 (void) | |
2302 | { | |
2303 | unsigned32 /*unsigned long int*/ quotient; | |
2304 | unsigned32 /*unsigned long int*/ remainder; | |
2305 | unsigned long int divide_by; | |
2306 | unsigned long int divide_this; | |
0da2b665 | 2307 | int overflow = 0; |
c906108c SS |
2308 | unsigned int imm5; |
2309 | ||
2310 | trace_input ("sdivhun", OP_IMM_REG_REG_REG, 0); | |
2311 | ||
2312 | imm5 = 32 - ((OP[3] & 0x3c0000) >> 17); | |
2313 | ||
2314 | divide_by = State.regs[ OP[0] ] & 0xffff; | |
2315 | divide_this = State.regs[ OP[1] ] << imm5; | |
2316 | ||
2317 | divun (imm5, divide_by, divide_this, & quotient, & remainder, & overflow); | |
2318 | ||
2319 | State.regs[ OP[1] ] = quotient; | |
2320 | State.regs[ OP[2] >> 11 ] = remainder; | |
2321 | ||
2322 | /* Set condition codes. */ | |
2323 | PSW &= ~(PSW_Z | PSW_S | PSW_OV); | |
2324 | ||
2325 | if (overflow) PSW |= PSW_OV; | |
2326 | if (quotient == 0) PSW |= PSW_Z; | |
2327 | if (quotient & 0x80000000) PSW |= PSW_S; | |
2328 | ||
2329 | trace_output (OP_IMM_REG_REG_REG); | |
2330 | ||
2331 | return 4; | |
2332 | } | |
2333 | ||
2334 | /* sdivhn imm5, reg1, reg2, reg3 */ | |
2335 | int | |
2336 | OP_18007E0 (void) | |
2337 | { | |
2338 | signed32 /*signed long int*/ quotient; | |
2339 | signed32 /*signed long int*/ remainder; | |
2340 | signed long int divide_by; | |
2341 | signed long int divide_this; | |
0da2b665 | 2342 | int overflow = 0; |
c906108c SS |
2343 | unsigned int imm5; |
2344 | ||
2345 | trace_input ("sdivhn", OP_IMM_REG_REG_REG, 0); | |
2346 | ||
2347 | imm5 = 32 - ((OP[3] & 0x3c0000) >> 17); | |
2348 | ||
2349 | divide_by = EXTEND16 (State.regs[ OP[0] ]); | |
98e460c3 | 2350 | divide_this = (signed32) (State.regs[ OP[1] ] << imm5); |
c906108c SS |
2351 | |
2352 | divn (imm5, divide_by, divide_this, & quotient, & remainder, & overflow); | |
2353 | ||
2354 | State.regs[ OP[1] ] = quotient; | |
2355 | State.regs[ OP[2] >> 11 ] = remainder; | |
2356 | ||
2357 | /* Set condition codes. */ | |
2358 | PSW &= ~(PSW_Z | PSW_S | PSW_OV); | |
2359 | ||
2360 | if (overflow) PSW |= PSW_OV; | |
2361 | if (quotient == 0) PSW |= PSW_Z; | |
2362 | if (quotient < 0) PSW |= PSW_S; | |
2363 | ||
2364 | trace_output (OP_IMM_REG_REG_REG); | |
2365 | ||
2366 | return 4; | |
2367 | } | |
2368 | ||
2369 | /* divu reg1, reg2, reg3 */ | |
2370 | int | |
2371 | OP_2C207E0 (void) | |
2372 | { | |
2373 | unsigned long int quotient; | |
2374 | unsigned long int remainder; | |
2375 | unsigned long int divide_by; | |
2376 | unsigned long int divide_this; | |
0da2b665 | 2377 | int overflow = 0; |
c906108c SS |
2378 | |
2379 | trace_input ("divu", OP_REG_REG_REG, 0); | |
2380 | ||
2381 | /* Compute the result. */ | |
2382 | ||
2383 | divide_by = State.regs[ OP[0] ]; | |
2384 | divide_this = State.regs[ OP[1] ]; | |
2385 | ||
2386 | if (divide_by == 0) | |
2387 | { | |
c5fbc25b | 2388 | PSW |= PSW_OV; |
c906108c | 2389 | } |
c5fbc25b DD |
2390 | else |
2391 | { | |
2392 | State.regs[ OP[1] ] = quotient = divide_this / divide_by; | |
2393 | State.regs[ OP[2] >> 11 ] = remainder = divide_this % divide_by; | |
c906108c | 2394 | |
c5fbc25b DD |
2395 | /* Set condition codes. */ |
2396 | PSW &= ~(PSW_Z | PSW_S | PSW_OV); | |
c906108c | 2397 | |
c5fbc25b DD |
2398 | if (overflow) PSW |= PSW_OV; |
2399 | if (quotient == 0) PSW |= PSW_Z; | |
2400 | if (quotient & 0x80000000) PSW |= PSW_S; | |
2401 | } | |
c906108c SS |
2402 | |
2403 | trace_output (OP_REG_REG_REG); | |
2404 | ||
2405 | return 4; | |
2406 | } | |
2407 | ||
2408 | /* div reg1, reg2, reg3 */ | |
2409 | int | |
2410 | OP_2C007E0 (void) | |
2411 | { | |
2412 | signed long int quotient; | |
2413 | signed long int remainder; | |
2414 | signed long int divide_by; | |
2415 | signed long int divide_this; | |
c906108c SS |
2416 | |
2417 | trace_input ("div", OP_REG_REG_REG, 0); | |
2418 | ||
2419 | /* Compute the result. */ | |
2420 | ||
98e460c3 | 2421 | divide_by = (signed32) State.regs[ OP[0] ]; |
c906108c SS |
2422 | divide_this = State.regs[ OP[1] ]; |
2423 | ||
c5fbc25b | 2424 | if (divide_by == 0) |
c906108c | 2425 | { |
c5fbc25b | 2426 | PSW |= PSW_OV; |
c906108c | 2427 | } |
98e460c3 | 2428 | else if (divide_by == -1 && divide_this == (1L << 31)) |
c5fbc25b DD |
2429 | { |
2430 | PSW &= ~PSW_Z; | |
2431 | PSW |= PSW_OV | PSW_S; | |
2432 | State.regs[ OP[1] ] = (1 << 31); | |
2433 | State.regs[ OP[2] >> 11 ] = 0; | |
2434 | } | |
2435 | else | |
2436 | { | |
98e460c3 | 2437 | divide_this = (signed32) divide_this; |
c5fbc25b DD |
2438 | State.regs[ OP[1] ] = quotient = divide_this / divide_by; |
2439 | State.regs[ OP[2] >> 11 ] = remainder = divide_this % divide_by; | |
98e460c3 | 2440 | |
c5fbc25b DD |
2441 | /* Set condition codes. */ |
2442 | PSW &= ~(PSW_Z | PSW_S | PSW_OV); | |
c906108c | 2443 | |
c5fbc25b DD |
2444 | if (quotient == 0) PSW |= PSW_Z; |
2445 | if (quotient < 0) PSW |= PSW_S; | |
2446 | } | |
c906108c SS |
2447 | |
2448 | trace_output (OP_REG_REG_REG); | |
2449 | ||
2450 | return 4; | |
2451 | } | |
2452 | ||
2453 | /* divhu reg1, reg2, reg3 */ | |
2454 | int | |
2455 | OP_28207E0 (void) | |
2456 | { | |
2457 | unsigned long int quotient; | |
2458 | unsigned long int remainder; | |
2459 | unsigned long int divide_by; | |
2460 | unsigned long int divide_this; | |
0da2b665 | 2461 | int overflow = 0; |
c906108c SS |
2462 | |
2463 | trace_input ("divhu", OP_REG_REG_REG, 0); | |
2464 | ||
2465 | /* Compute the result. */ | |
2466 | ||
2467 | divide_by = State.regs[ OP[0] ] & 0xffff; | |
2468 | divide_this = State.regs[ OP[1] ]; | |
2469 | ||
2470 | if (divide_by == 0) | |
2471 | { | |
c5fbc25b | 2472 | PSW |= PSW_OV; |
c906108c | 2473 | } |
c5fbc25b DD |
2474 | else |
2475 | { | |
2476 | State.regs[ OP[1] ] = quotient = divide_this / divide_by; | |
2477 | State.regs[ OP[2] >> 11 ] = remainder = divide_this % divide_by; | |
c906108c | 2478 | |
c5fbc25b DD |
2479 | /* Set condition codes. */ |
2480 | PSW &= ~(PSW_Z | PSW_S | PSW_OV); | |
c906108c | 2481 | |
c5fbc25b DD |
2482 | if (overflow) PSW |= PSW_OV; |
2483 | if (quotient == 0) PSW |= PSW_Z; | |
2484 | if (quotient & 0x80000000) PSW |= PSW_S; | |
2485 | } | |
c906108c SS |
2486 | |
2487 | trace_output (OP_REG_REG_REG); | |
2488 | ||
2489 | return 4; | |
2490 | } | |
2491 | ||
2492 | /* divh reg1, reg2, reg3 */ | |
2493 | int | |
2494 | OP_28007E0 (void) | |
2495 | { | |
2496 | signed long int quotient; | |
2497 | signed long int remainder; | |
2498 | signed long int divide_by; | |
2499 | signed long int divide_this; | |
0da2b665 | 2500 | int overflow = 0; |
c906108c SS |
2501 | |
2502 | trace_input ("divh", OP_REG_REG_REG, 0); | |
2503 | ||
2504 | /* Compute the result. */ | |
2505 | ||
c5fbc25b DD |
2506 | divide_by = EXTEND16 (State.regs[ OP[0] ]); |
2507 | divide_this = State.regs[ OP[1] ]; | |
c906108c | 2508 | |
c5fbc25b DD |
2509 | if (divide_by == 0) |
2510 | { | |
2511 | PSW |= PSW_OV; | |
2512 | } | |
98e460c3 | 2513 | else if (divide_by == -1 && divide_this == (1L << 31)) |
c906108c | 2514 | { |
c5fbc25b DD |
2515 | PSW &= ~PSW_Z; |
2516 | PSW |= PSW_OV | PSW_S; | |
2517 | State.regs[ OP[1] ] = (1 << 31); | |
2518 | State.regs[ OP[2] >> 11 ] = 0; | |
c906108c | 2519 | } |
c5fbc25b DD |
2520 | else |
2521 | { | |
98e460c3 | 2522 | divide_this = (signed32) divide_this; |
c5fbc25b DD |
2523 | State.regs[ OP[1] ] = quotient = divide_this / divide_by; |
2524 | State.regs[ OP[2] >> 11 ] = remainder = divide_this % divide_by; | |
c906108c | 2525 | |
c5fbc25b DD |
2526 | /* Set condition codes. */ |
2527 | PSW &= ~(PSW_Z | PSW_S | PSW_OV); | |
c906108c | 2528 | |
c5fbc25b DD |
2529 | if (quotient == 0) PSW |= PSW_Z; |
2530 | if (quotient < 0) PSW |= PSW_S; | |
2531 | } | |
c906108c SS |
2532 | |
2533 | trace_output (OP_REG_REG_REG); | |
2534 | ||
2535 | return 4; | |
2536 | } | |
2537 | ||
2538 | /* mulu imm9, reg2, reg3 */ | |
2539 | int | |
2540 | OP_24207E0 (void) | |
2541 | { | |
2542 | trace_input ("mulu", OP_IMM_REG_REG, 0); | |
2543 | ||
0da2b665 | 2544 | Multiply64 (0, (OP[3] & 0x1f) | ((OP[3] >> 13) & 0x1e0)); |
c906108c SS |
2545 | |
2546 | trace_output (OP_IMM_REG_REG); | |
2547 | ||
2548 | return 4; | |
2549 | } | |
2550 | ||
2551 | /* mul imm9, reg2, reg3 */ | |
2552 | int | |
2553 | OP_24007E0 (void) | |
2554 | { | |
2555 | trace_input ("mul", OP_IMM_REG_REG, 0); | |
2556 | ||
0da2b665 | 2557 | Multiply64 (1, SEXT9 ((OP[3] & 0x1f) | ((OP[3] >> 13) & 0x1e0))); |
c906108c SS |
2558 | |
2559 | trace_output (OP_IMM_REG_REG); | |
2560 | ||
2561 | return 4; | |
2562 | } | |
2563 | ||
2564 | /* ld.hu */ | |
2565 | int | |
2566 | OP_107E0 (void) | |
2567 | { | |
2568 | int adr; | |
2569 | ||
2570 | trace_input ("ld.hu", OP_LOAD32, 2); | |
2571 | ||
2572 | adr = State.regs[ OP[0] ] + EXTEND16 (OP[2] & ~1); | |
2573 | adr &= ~0x1; | |
2574 | ||
2575 | State.regs[ OP[1] ] = load_mem (adr, 2); | |
2576 | ||
2577 | trace_output (OP_LOAD32); | |
2578 | ||
2579 | return 4; | |
2580 | } | |
2581 | ||
2582 | ||
2583 | /* ld.bu */ | |
2584 | int | |
2585 | OP_10780 (void) | |
2586 | { | |
2587 | int adr; | |
2588 | ||
2589 | trace_input ("ld.bu", OP_LOAD32, 1); | |
2590 | ||
2591 | adr = (State.regs[ OP[0] ] | |
2592 | + (EXTEND16 (OP[2] & ~1) | ((OP[3] >> 5) & 1))); | |
2593 | ||
2594 | State.regs[ OP[1] ] = load_mem (adr, 1); | |
2595 | ||
2596 | trace_output (OP_LOAD32); | |
2597 | ||
2598 | return 4; | |
2599 | } | |
2600 | ||
2601 | /* prepare list12, imm5, imm32 */ | |
2602 | int | |
2603 | OP_1B0780 (void) | |
2604 | { | |
2605 | int i; | |
2606 | ||
2607 | trace_input ("prepare", OP_PUSHPOP1, 0); | |
2608 | ||
2609 | /* Store the registers with lower number registers being placed at higher addresses. */ | |
2610 | for (i = 0; i < 12; i++) | |
2611 | if ((OP[3] & (1 << type1_regs[ i ]))) | |
2612 | { | |
2613 | SP -= 4; | |
2614 | store_mem (SP, 4, State.regs[ 20 + i ]); | |
2615 | } | |
2616 | ||
2617 | SP -= (OP[3] & 0x3e) << 1; | |
2618 | ||
2619 | EP = load_mem (PC + 4, 4); | |
2620 | ||
2621 | trace_output (OP_PUSHPOP1); | |
2622 | ||
2623 | return 8; | |
2624 | } | |
2625 | ||
2626 | /* prepare list12, imm5, imm16-32 */ | |
2627 | int | |
2628 | OP_130780 (void) | |
2629 | { | |
2630 | int i; | |
2631 | ||
2632 | trace_input ("prepare", OP_PUSHPOP1, 0); | |
2633 | ||
2634 | /* Store the registers with lower number registers being placed at higher addresses. */ | |
2635 | for (i = 0; i < 12; i++) | |
2636 | if ((OP[3] & (1 << type1_regs[ i ]))) | |
2637 | { | |
2638 | SP -= 4; | |
2639 | store_mem (SP, 4, State.regs[ 20 + i ]); | |
2640 | } | |
2641 | ||
2642 | SP -= (OP[3] & 0x3e) << 1; | |
2643 | ||
2644 | EP = load_mem (PC + 4, 2) << 16; | |
2645 | ||
2646 | trace_output (OP_PUSHPOP1); | |
2647 | ||
2648 | return 6; | |
2649 | } | |
2650 | ||
2651 | /* prepare list12, imm5, imm16 */ | |
2652 | int | |
2653 | OP_B0780 (void) | |
2654 | { | |
2655 | int i; | |
2656 | ||
2657 | trace_input ("prepare", OP_PUSHPOP1, 0); | |
2658 | ||
2659 | /* Store the registers with lower number registers being placed at higher addresses. */ | |
2660 | for (i = 0; i < 12; i++) | |
2661 | if ((OP[3] & (1 << type1_regs[ i ]))) | |
2662 | { | |
2663 | SP -= 4; | |
2664 | store_mem (SP, 4, State.regs[ 20 + i ]); | |
2665 | } | |
2666 | ||
2667 | SP -= (OP[3] & 0x3e) << 1; | |
2668 | ||
2669 | EP = EXTEND16 (load_mem (PC + 4, 2)); | |
2670 | ||
2671 | trace_output (OP_PUSHPOP1); | |
2672 | ||
2673 | return 6; | |
2674 | } | |
2675 | ||
2676 | /* prepare list12, imm5, sp */ | |
2677 | int | |
2678 | OP_30780 (void) | |
2679 | { | |
2680 | int i; | |
2681 | ||
2682 | trace_input ("prepare", OP_PUSHPOP1, 0); | |
2683 | ||
2684 | /* Store the registers with lower number registers being placed at higher addresses. */ | |
2685 | for (i = 0; i < 12; i++) | |
2686 | if ((OP[3] & (1 << type1_regs[ i ]))) | |
2687 | { | |
2688 | SP -= 4; | |
2689 | store_mem (SP, 4, State.regs[ 20 + i ]); | |
2690 | } | |
2691 | ||
2692 | SP -= (OP[3] & 0x3e) << 1; | |
2693 | ||
2694 | EP = SP; | |
2695 | ||
2696 | trace_output (OP_PUSHPOP1); | |
2697 | ||
2698 | return 4; | |
2699 | } | |
2700 | ||
2701 | /* mul reg1, reg2, reg3 */ | |
2702 | int | |
2703 | OP_22007E0 (void) | |
2704 | { | |
2705 | trace_input ("mul", OP_REG_REG_REG, 0); | |
2706 | ||
0da2b665 | 2707 | Multiply64 (1, State.regs[ OP[0] ]); |
c906108c SS |
2708 | |
2709 | trace_output (OP_REG_REG_REG); | |
2710 | ||
2711 | return 4; | |
2712 | } | |
2713 | ||
2714 | /* popmh list18 */ | |
2715 | int | |
2716 | OP_307F0 (void) | |
2717 | { | |
2718 | int i; | |
2719 | ||
2720 | trace_input ("popmh", OP_PUSHPOP2, 0); | |
2721 | ||
2722 | if (OP[3] & (1 << 19)) | |
2723 | { | |
2724 | if ((PSW & PSW_NP) && ((PSW & PSW_EP) == 0)) | |
2725 | { | |
2726 | FEPSW = load_mem ( SP & ~ 3, 4); | |
2727 | FEPC = load_mem ((SP + 4) & ~ 3, 4); | |
2728 | } | |
2729 | else | |
2730 | { | |
2731 | EIPSW = load_mem ( SP & ~ 3, 4); | |
2732 | EIPC = load_mem ((SP + 4) & ~ 3, 4); | |
2733 | } | |
2734 | ||
2735 | SP += 8; | |
2736 | } | |
2737 | ||
2738 | /* Load the registers with lower number registers being retrieved from higher addresses. */ | |
2739 | for (i = 16; i--;) | |
2740 | if ((OP[3] & (1 << type2_regs[ i ]))) | |
2741 | { | |
2742 | State.regs[ i + 16 ] = load_mem (SP & ~ 3, 4); | |
2743 | SP += 4; | |
2744 | } | |
2745 | ||
2746 | trace_output (OP_PUSHPOP2); | |
2747 | ||
2748 | return 4; | |
2749 | } | |
2750 | ||
2751 | /* popml lsit18 */ | |
2752 | int | |
2753 | OP_107F0 (void) | |
2754 | { | |
2755 | int i; | |
2756 | ||
2757 | trace_input ("popml", OP_PUSHPOP3, 0); | |
2758 | ||
2759 | if (OP[3] & (1 << 19)) | |
2760 | { | |
2761 | if ((PSW & PSW_NP) && ((PSW & PSW_EP) == 0)) | |
2762 | { | |
2763 | FEPSW = load_mem ( SP & ~ 3, 4); | |
2764 | FEPC = load_mem ((SP + 4) & ~ 3, 4); | |
2765 | } | |
2766 | else | |
2767 | { | |
2768 | EIPSW = load_mem ( SP & ~ 3, 4); | |
2769 | EIPC = load_mem ((SP + 4) & ~ 3, 4); | |
2770 | } | |
2771 | ||
2772 | SP += 8; | |
2773 | } | |
2774 | ||
2775 | if (OP[3] & (1 << 3)) | |
2776 | { | |
2777 | PSW = load_mem (SP & ~ 3, 4); | |
2778 | SP += 4; | |
2779 | } | |
2780 | ||
2781 | /* Load the registers with lower number registers being retrieved from higher addresses. */ | |
2782 | for (i = 15; i--;) | |
2783 | if ((OP[3] & (1 << type3_regs[ i ]))) | |
2784 | { | |
2785 | State.regs[ i + 1 ] = load_mem (SP & ~ 3, 4); | |
2786 | SP += 4; | |
2787 | } | |
2788 | ||
2789 | trace_output (OP_PUSHPOP2); | |
2790 | ||
2791 | return 4; | |
2792 | } | |
2793 | ||
2794 | /* pushmh list18 */ | |
2795 | int | |
2796 | OP_307E0 (void) | |
2797 | { | |
2798 | int i; | |
2799 | ||
2800 | trace_input ("pushmh", OP_PUSHPOP2, 0); | |
2801 | ||
2802 | /* Store the registers with lower number registers being placed at higher addresses. */ | |
2803 | for (i = 0; i < 16; i++) | |
2804 | if ((OP[3] & (1 << type2_regs[ i ]))) | |
2805 | { | |
2806 | SP -= 4; | |
2807 | store_mem (SP & ~ 3, 4, State.regs[ i + 16 ]); | |
2808 | } | |
2809 | ||
2810 | if (OP[3] & (1 << 19)) | |
2811 | { | |
2812 | SP -= 8; | |
2813 | ||
2814 | if ((PSW & PSW_NP) && ((PSW & PSW_EP) == 0)) | |
2815 | { | |
2816 | store_mem ((SP + 4) & ~ 3, 4, FEPC); | |
2817 | store_mem ( SP & ~ 3, 4, FEPSW); | |
2818 | } | |
2819 | else | |
2820 | { | |
2821 | store_mem ((SP + 4) & ~ 3, 4, EIPC); | |
2822 | store_mem ( SP & ~ 3, 4, EIPSW); | |
2823 | } | |
2824 | } | |
2825 | ||
2826 | trace_output (OP_PUSHPOP2); | |
2827 | ||
2828 | return 4; | |
2829 | } | |
2830 | ||
2aaed979 KB |
2831 | /* V850E2R FPU functions */ |
2832 | /* | |
2833 | sim_fpu_status_invalid_snan = 1, -V--- (sim spec.) | |
2834 | sim_fpu_status_invalid_qnan = 2, ----- (sim spec.) | |
2835 | sim_fpu_status_invalid_isi = 4, (inf - inf) -V--- | |
2836 | sim_fpu_status_invalid_idi = 8, (inf / inf) -V--- | |
2837 | sim_fpu_status_invalid_zdz = 16, (0 / 0) -V--- | |
2838 | sim_fpu_status_invalid_imz = 32, (inf * 0) -V--- | |
2839 | sim_fpu_status_invalid_cvi = 64, convert to integer -V--- | |
2840 | sim_fpu_status_invalid_div0 = 128, (X / 0) --Z-- | |
2841 | sim_fpu_status_invalid_cmp = 256, compare ----- (sim spec.) | |
2842 | sim_fpu_status_invalid_sqrt = 512, -V--- | |
2843 | sim_fpu_status_rounded = 1024, I---- | |
2844 | sim_fpu_status_inexact = 2048, I---- (sim spec.) | |
2845 | sim_fpu_status_overflow = 4096, I--O- | |
2846 | sim_fpu_status_underflow = 8192, I---U | |
2847 | sim_fpu_status_denorm = 16384, ----U (sim spec.) | |
2848 | */ | |
2849 | ||
a3976a7c NC |
2850 | void |
2851 | update_fpsr (SIM_DESC sd, sim_fpu_status status, unsigned int mask, unsigned int double_op_p) | |
2aaed979 KB |
2852 | { |
2853 | unsigned int fpsr = FPSR & mask; | |
2854 | ||
2855 | unsigned int flags = 0; | |
2856 | ||
2857 | if (fpsr & FPSR_XEI | |
2858 | && ((status & (sim_fpu_status_rounded | |
2859 | | sim_fpu_status_overflow | |
2860 | | sim_fpu_status_inexact)) | |
2861 | || (status & sim_fpu_status_underflow | |
2862 | && (fpsr & (FPSR_XEU | FPSR_XEI)) == 0 | |
2863 | && fpsr & FPSR_FS))) | |
2864 | { | |
2865 | flags |= FPSR_XCI | FPSR_XPI; | |
2866 | } | |
2867 | ||
2868 | if (fpsr & FPSR_XEV | |
2869 | && (status & (sim_fpu_status_invalid_isi | |
2870 | | sim_fpu_status_invalid_imz | |
2871 | | sim_fpu_status_invalid_zdz | |
2872 | | sim_fpu_status_invalid_idi | |
2873 | | sim_fpu_status_invalid_cvi | |
2874 | | sim_fpu_status_invalid_sqrt | |
2875 | | sim_fpu_status_invalid_snan))) | |
2876 | { | |
2877 | flags |= FPSR_XCV | FPSR_XPV; | |
2878 | } | |
2879 | ||
2880 | if (fpsr & FPSR_XEZ | |
2881 | && (status & sim_fpu_status_invalid_div0)) | |
2882 | { | |
2883 | flags |= FPSR_XCV | FPSR_XPV; | |
2884 | } | |
2885 | ||
2886 | if (fpsr & FPSR_XEO | |
2887 | && (status & sim_fpu_status_overflow)) | |
2888 | { | |
2889 | flags |= FPSR_XCO | FPSR_XPO; | |
2890 | } | |
2891 | ||
2892 | if (((fpsr & FPSR_XEU) || (fpsr & FPSR_FS) == 0) | |
2893 | && (status & (sim_fpu_status_underflow | |
2894 | | sim_fpu_status_denorm))) | |
2895 | { | |
2896 | flags |= FPSR_XCU | FPSR_XPU; | |
2897 | } | |
2898 | ||
2899 | if (flags) | |
2900 | { | |
2901 | FPSR &= ~FPSR_XC; | |
2902 | FPSR |= flags; | |
2903 | ||
a3976a7c | 2904 | SignalExceptionFPE (sd, double_op_p); |
2aaed979 KB |
2905 | } |
2906 | } | |
2907 | ||
a3976a7c | 2908 | /* Exception. */ |
2aaed979 | 2909 | |
a3976a7c NC |
2910 | void |
2911 | SignalException (SIM_DESC sd) | |
2aaed979 KB |
2912 | { |
2913 | if (MPM & MPM_AUE) | |
2914 | { | |
2915 | PSW = PSW & ~(PSW_NPV | PSW_DMP | PSW_IMP); | |
2916 | } | |
2917 | } | |
2918 | ||
a3976a7c NC |
2919 | void |
2920 | SignalExceptionFPE (SIM_DESC sd, unsigned int double_op_p) | |
2aaed979 KB |
2921 | { |
2922 | if (((PSW & (PSW_NP|PSW_ID)) == 0) | |
2923 | || !(FPSR & (double_op_p ? FPSR_DEM : FPSR_SEM))) | |
2924 | { | |
2925 | EIPC = PC; | |
2926 | EIPSW = PSW; | |
2927 | EIIC = (FPSR & (double_op_p ? FPSR_DEM : FPSR_SEM)) | |
2928 | ? 0x71 : 0x72; | |
2929 | PSW |= (PSW_EP | PSW_ID); | |
2930 | PC = 0x70; | |
2931 | ||
a3976a7c | 2932 | SignalException (sd); |
2aaed979 KB |
2933 | } |
2934 | } | |
2935 | ||
a3976a7c NC |
2936 | void |
2937 | check_invalid_snan (SIM_DESC sd, sim_fpu_status status, unsigned int double_op_p) | |
2aaed979 KB |
2938 | { |
2939 | if ((FPSR & FPSR_XEI) | |
2940 | && (status & sim_fpu_status_invalid_snan)) | |
2941 | { | |
2942 | FPSR &= ~FPSR_XC; | |
2943 | FPSR |= FPSR_XCV; | |
2944 | FPSR |= FPSR_XPV; | |
a3976a7c | 2945 | SignalExceptionFPE (sd, double_op_p); |
2aaed979 KB |
2946 | } |
2947 | } | |
2948 | ||
a3976a7c NC |
2949 | int |
2950 | v850_float_compare (SIM_DESC sd, int cmp, sim_fpu wop1, sim_fpu wop2, int double_op_p) | |
2aaed979 KB |
2951 | { |
2952 | int result = -1; | |
2953 | ||
a3976a7c | 2954 | if (sim_fpu_is_nan (&wop1) || sim_fpu_is_nan (&wop2)) |
2aaed979 KB |
2955 | { |
2956 | if (cmp & 0x8) | |
2957 | { | |
2958 | if (FPSR & FPSR_XEV) | |
2959 | { | |
2960 | FPSR |= FPSR_XCV | FPSR_XPV; | |
a3976a7c | 2961 | SignalExceptionFPE (sd, double_op_p); |
2aaed979 KB |
2962 | } |
2963 | } | |
2964 | ||
2965 | switch (cmp) | |
2966 | { | |
2967 | case FPU_CMP_F: | |
2968 | result = 0; | |
2969 | break; | |
2970 | case FPU_CMP_UN: | |
2971 | result = 1; | |
2972 | break; | |
2973 | case FPU_CMP_EQ: | |
2974 | result = 0; | |
2975 | break; | |
2976 | case FPU_CMP_UEQ: | |
2977 | result = 1; | |
2978 | break; | |
2979 | case FPU_CMP_OLT: | |
2980 | result = 0; | |
2981 | break; | |
2982 | case FPU_CMP_ULT: | |
2983 | result = 1; | |
2984 | break; | |
2985 | case FPU_CMP_OLE: | |
2986 | result = 0; | |
2987 | break; | |
2988 | case FPU_CMP_ULE: | |
2989 | result = 1; | |
2990 | break; | |
2991 | case FPU_CMP_SF: | |
2992 | result = 0; | |
2993 | break; | |
2994 | case FPU_CMP_NGLE: | |
2995 | result = 1; | |
2996 | break; | |
2997 | case FPU_CMP_SEQ: | |
2998 | result = 0; | |
2999 | break; | |
3000 | case FPU_CMP_NGL: | |
3001 | result = 1; | |
3002 | break; | |
3003 | case FPU_CMP_LT: | |
3004 | result = 0; | |
3005 | break; | |
3006 | case FPU_CMP_NGE: | |
3007 | result = 1; | |
3008 | break; | |
3009 | case FPU_CMP_LE: | |
3010 | result = 0; | |
3011 | break; | |
3012 | case FPU_CMP_NGT: | |
3013 | result = 1; | |
3014 | break; | |
3015 | default: | |
a3976a7c | 3016 | abort (); |
2aaed979 KB |
3017 | } |
3018 | } | |
a3976a7c NC |
3019 | else if (sim_fpu_is_infinity (&wop1) && sim_fpu_is_infinity (&wop2) |
3020 | && sim_fpu_sign (&wop1) == sim_fpu_sign (&wop2)) | |
2aaed979 KB |
3021 | { |
3022 | switch (cmp) | |
3023 | { | |
3024 | case FPU_CMP_F: | |
3025 | result = 0; | |
3026 | break; | |
3027 | case FPU_CMP_UN: | |
3028 | result = 0; | |
3029 | break; | |
3030 | case FPU_CMP_EQ: | |
3031 | result = 1; | |
3032 | break; | |
3033 | case FPU_CMP_UEQ: | |
3034 | result = 1; | |
3035 | break; | |
3036 | case FPU_CMP_OLT: | |
3037 | result = 0; | |
3038 | break; | |
3039 | case FPU_CMP_ULT: | |
3040 | result = 0; | |
3041 | break; | |
3042 | case FPU_CMP_OLE: | |
3043 | result = 1; | |
3044 | break; | |
3045 | case FPU_CMP_ULE: | |
3046 | result = 1; | |
3047 | break; | |
3048 | case FPU_CMP_SF: | |
3049 | result = 0; | |
3050 | break; | |
3051 | case FPU_CMP_NGLE: | |
3052 | result = 0; | |
3053 | break; | |
3054 | case FPU_CMP_SEQ: | |
3055 | result = 1; | |
3056 | break; | |
3057 | case FPU_CMP_NGL: | |
3058 | result = 1; | |
3059 | break; | |
3060 | case FPU_CMP_LT: | |
3061 | result = 0; | |
3062 | break; | |
3063 | case FPU_CMP_NGE: | |
3064 | result = 0; | |
3065 | break; | |
3066 | case FPU_CMP_LE: | |
3067 | result = 1; | |
3068 | break; | |
3069 | case FPU_CMP_NGT: | |
3070 | result = 1; | |
3071 | break; | |
3072 | default: | |
a3976a7c | 3073 | abort (); |
2aaed979 KB |
3074 | } |
3075 | } | |
3076 | else | |
3077 | { | |
3078 | int gt = 0,lt = 0,eq = 0, status; | |
3079 | ||
a3976a7c NC |
3080 | status = sim_fpu_cmp (&wop1, &wop2); |
3081 | ||
3082 | switch (status) | |
3083 | { | |
3084 | case SIM_FPU_IS_SNAN: | |
3085 | case SIM_FPU_IS_QNAN: | |
3086 | abort (); | |
3087 | break; | |
3088 | ||
3089 | case SIM_FPU_IS_NINF: | |
3090 | lt = 1; | |
3091 | break; | |
3092 | case SIM_FPU_IS_PINF: | |
3093 | gt = 1; | |
3094 | break; | |
3095 | case SIM_FPU_IS_NNUMBER: | |
3096 | lt = 1; | |
3097 | break; | |
3098 | case SIM_FPU_IS_PNUMBER: | |
3099 | gt = 1; | |
3100 | break; | |
3101 | case SIM_FPU_IS_NDENORM: | |
3102 | lt = 1; | |
3103 | break; | |
3104 | case SIM_FPU_IS_PDENORM: | |
3105 | gt = 1; | |
3106 | break; | |
3107 | case SIM_FPU_IS_NZERO: | |
3108 | case SIM_FPU_IS_PZERO: | |
3109 | eq = 1; | |
3110 | break; | |
3111 | } | |
2aaed979 KB |
3112 | |
3113 | switch (cmp) | |
3114 | { | |
3115 | case FPU_CMP_F: | |
3116 | result = 0; | |
3117 | break; | |
3118 | case FPU_CMP_UN: | |
3119 | result = 0; | |
3120 | break; | |
3121 | case FPU_CMP_EQ: | |
3122 | result = eq; | |
3123 | break; | |
3124 | case FPU_CMP_UEQ: | |
3125 | result = eq; | |
3126 | break; | |
3127 | case FPU_CMP_OLT: | |
3128 | result = lt; | |
3129 | break; | |
3130 | case FPU_CMP_ULT: | |
3131 | result = lt; | |
3132 | break; | |
3133 | case FPU_CMP_OLE: | |
3134 | result = lt || eq; | |
3135 | break; | |
3136 | case FPU_CMP_ULE: | |
3137 | result = lt || eq; | |
3138 | break; | |
3139 | case FPU_CMP_SF: | |
3140 | result = 0; | |
3141 | break; | |
3142 | case FPU_CMP_NGLE: | |
3143 | result = 0; | |
3144 | break; | |
3145 | case FPU_CMP_SEQ: | |
3146 | result = eq; | |
3147 | break; | |
3148 | case FPU_CMP_NGL: | |
3149 | result = eq; | |
3150 | break; | |
3151 | case FPU_CMP_LT: | |
3152 | result = lt; | |
3153 | break; | |
3154 | case FPU_CMP_NGE: | |
3155 | result = lt; | |
3156 | break; | |
3157 | case FPU_CMP_LE: | |
3158 | result = lt || eq; | |
3159 | break; | |
3160 | case FPU_CMP_NGT: | |
3161 | result = lt || eq; | |
3162 | break; | |
3163 | } | |
3164 | } | |
3165 | ||
a3976a7c | 3166 | ASSERT (result != -1); |
2aaed979 KB |
3167 | return result; |
3168 | } | |
3169 | ||
a3976a7c NC |
3170 | void |
3171 | v850_div (SIM_DESC sd, unsigned int op0, unsigned int op1, unsigned int *op2p, unsigned int *op3p) | |
2aaed979 KB |
3172 | { |
3173 | signed long int quotient; | |
3174 | signed long int remainder; | |
3175 | signed long int divide_by; | |
3176 | signed long int divide_this; | |
3177 | bfd_boolean overflow = FALSE; | |
3178 | ||
3179 | /* Compute the result. */ | |
3180 | divide_by = op0; | |
3181 | divide_this = op1; | |
a3976a7c | 3182 | |
2aaed979 KB |
3183 | if (divide_by == 0 || (divide_by == -1 && divide_this == (1 << 31))) |
3184 | { | |
3185 | overflow = TRUE; | |
3186 | divide_by = 1; | |
3187 | } | |
3188 | ||
3189 | quotient = divide_this / divide_by; | |
3190 | remainder = divide_this % divide_by; | |
3191 | ||
3192 | /* Set condition codes. */ | |
3193 | PSW &= ~(PSW_Z | PSW_S | PSW_OV); | |
3194 | ||
3195 | if (overflow) PSW |= PSW_OV; | |
3196 | if (quotient == 0) PSW |= PSW_Z; | |
3197 | if (quotient < 0) PSW |= PSW_S; | |
3198 | ||
3199 | *op2p = quotient; | |
3200 | *op3p = remainder; | |
3201 | } | |
3202 | ||
a3976a7c NC |
3203 | void |
3204 | v850_divu (SIM_DESC sd, unsigned int op0, unsigned int op1, unsigned int *op2p, unsigned int *op3p) | |
2aaed979 KB |
3205 | { |
3206 | unsigned long int quotient; | |
3207 | unsigned long int remainder; | |
3208 | unsigned long int divide_by; | |
3209 | unsigned long int divide_this; | |
3210 | bfd_boolean overflow = FALSE; | |
3211 | ||
3212 | /* Compute the result. */ | |
3213 | ||
3214 | divide_by = op0; | |
3215 | divide_this = op1; | |
3216 | ||
3217 | if (divide_by == 0) | |
3218 | { | |
3219 | overflow = TRUE; | |
3220 | divide_by = 1; | |
3221 | } | |
3222 | ||
3223 | quotient = divide_this / divide_by; | |
3224 | remainder = divide_this % divide_by; | |
3225 | ||
3226 | /* Set condition codes. */ | |
3227 | PSW &= ~(PSW_Z | PSW_S | PSW_OV); | |
3228 | ||
3229 | if (overflow) PSW |= PSW_OV; | |
3230 | if (quotient == 0) PSW |= PSW_Z; | |
3231 | if (quotient & 0x80000000) PSW |= PSW_S; | |
3232 | ||
3233 | *op2p = quotient; | |
3234 | *op3p = remainder; | |
3235 | } | |
3236 | ||
a3976a7c NC |
3237 | void |
3238 | v850_sar (SIM_DESC sd, unsigned int op0, unsigned int op1, unsigned int *op2p) | |
2aaed979 KB |
3239 | { |
3240 | unsigned int result, z, s, cy; | |
3241 | ||
3242 | op0 &= 0x1f; | |
3243 | result = (signed)op1 >> op0; | |
3244 | ||
3245 | /* Compute the condition codes. */ | |
3246 | z = (result == 0); | |
3247 | s = (result & 0x80000000); | |
3248 | cy = (op1 & (1 << (op0 - 1))); | |
3249 | ||
3250 | /* Store the result and condition codes. */ | |
3251 | PSW &= ~(PSW_Z | PSW_S | PSW_OV | PSW_CY); | |
3252 | PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0) | |
3253 | | (cy ? PSW_CY : 0)); | |
3254 | ||
3255 | *op2p = result; | |
3256 | } | |
3257 | ||
a3976a7c NC |
3258 | void |
3259 | v850_shl (SIM_DESC sd, unsigned int op0, unsigned int op1, unsigned int *op2p) | |
2aaed979 KB |
3260 | { |
3261 | unsigned int result, z, s, cy; | |
3262 | ||
3263 | op0 &= 0x1f; | |
3264 | result = op1 << op0; | |
3265 | ||
3266 | /* Compute the condition codes. */ | |
3267 | z = (result == 0); | |
3268 | s = (result & 0x80000000); | |
3269 | cy = (op1 & (1 << (32 - op0))); | |
3270 | ||
3271 | /* Store the result and condition codes. */ | |
3272 | PSW &= ~(PSW_Z | PSW_S | PSW_OV | PSW_CY); | |
3273 | PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0) | |
3274 | | (cy ? PSW_CY : 0)); | |
3275 | ||
3276 | *op2p = result; | |
3277 | } | |
3278 | ||
67d7515b NC |
3279 | void |
3280 | v850_rotl (SIM_DESC sd, unsigned int amount, unsigned int src, unsigned int * dest) | |
3281 | { | |
3282 | unsigned int result, z, s, cy; | |
3283 | ||
3284 | amount &= 0x1f; | |
3285 | result = src << amount; | |
3286 | result |= src >> (32 - amount); | |
3287 | ||
3288 | /* Compute the condition codes. */ | |
3289 | z = (result == 0); | |
3290 | s = (result & 0x80000000); | |
3291 | cy = ! (result & 1); | |
3292 | ||
3293 | /* Store the result and condition codes. */ | |
3294 | PSW &= ~(PSW_Z | PSW_S | PSW_OV | PSW_CY); | |
3295 | PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0) | |
3296 | | (cy ? PSW_CY : 0)); | |
3297 | ||
3298 | * dest = result; | |
3299 | } | |
3300 | ||
3301 | void | |
3302 | v850_bins (SIM_DESC sd, unsigned int source, unsigned int lsb, unsigned int msb, | |
3303 | unsigned int * dest) | |
3304 | { | |
3305 | unsigned int mask; | |
3306 | unsigned int result, pos, width; | |
3307 | unsigned int z, s; | |
3308 | ||
3309 | pos = lsb; | |
3310 | width = (msb - lsb) + 1; | |
3311 | ||
1d19cae7 | 3312 | mask = ~ (-(1 << width)); |
67d7515b NC |
3313 | source &= mask; |
3314 | mask <<= pos; | |
3315 | result = (* dest) & ~ mask; | |
3316 | result |= source << pos; | |
3317 | ||
3318 | /* Compute the condition codes. */ | |
3319 | z = (result == 0); | |
3320 | s = result & 0x80000000; | |
3321 | ||
3322 | /* Store the result and condition codes. */ | |
3323 | PSW &= ~(PSW_Z | PSW_S | PSW_OV ); | |
3324 | PSW |= (z ? PSW_Z : 0) | (s ? PSW_S : 0); | |
3325 | ||
3326 | * dest = result; | |
3327 | } | |
3328 | ||
a3976a7c NC |
3329 | void |
3330 | v850_shr (SIM_DESC sd, unsigned int op0, unsigned int op1, unsigned int *op2p) | |
2aaed979 KB |
3331 | { |
3332 | unsigned int result, z, s, cy; | |
3333 | ||
3334 | op0 &= 0x1f; | |
3335 | result = op1 >> op0; | |
3336 | ||
3337 | /* Compute the condition codes. */ | |
3338 | z = (result == 0); | |
3339 | s = (result & 0x80000000); | |
3340 | cy = (op1 & (1 << (op0 - 1))); | |
3341 | ||
3342 | /* Store the result and condition codes. */ | |
3343 | PSW &= ~(PSW_Z | PSW_S | PSW_OV | PSW_CY); | |
3344 | PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0) | |
3345 | | (cy ? PSW_CY : 0)); | |
3346 | ||
3347 | *op2p = result; | |
3348 | } | |
3349 | ||
a3976a7c NC |
3350 | void |
3351 | v850_satadd (SIM_DESC sd, unsigned int op0, unsigned int op1, unsigned int *op2p) | |
2aaed979 KB |
3352 | { |
3353 | unsigned int result, z, s, cy, ov, sat; | |
3354 | ||
3355 | result = op0 + op1; | |
3356 | ||
3357 | /* Compute the condition codes. */ | |
3358 | z = (result == 0); | |
3359 | s = (result & 0x80000000); | |
3360 | cy = (result < op0 || result < op1); | |
3361 | ov = ((op0 & 0x80000000) == (op1 & 0x80000000) | |
3362 | && (op0 & 0x80000000) != (result & 0x80000000)); | |
3363 | sat = ov; | |
3364 | ||
3365 | /* Store the result and condition codes. */ | |
3366 | PSW &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV); | |
3367 | PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0) | |
3368 | | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0) | |
3369 | | (sat ? PSW_SAT : 0)); | |
3370 | ||
3371 | /* Handle saturated results. */ | |
3372 | if (sat && s) | |
3373 | { | |
3374 | result = 0x7fffffff; | |
3375 | PSW &= ~PSW_S; | |
3376 | } | |
3377 | else if (sat) | |
3378 | { | |
3379 | result = 0x80000000; | |
3380 | PSW |= PSW_S; | |
3381 | } | |
3382 | ||
3383 | *op2p = result; | |
3384 | } | |
3385 | ||
a3976a7c NC |
3386 | void |
3387 | v850_satsub (SIM_DESC sd, unsigned int op0, unsigned int op1, unsigned int *op2p) | |
2aaed979 KB |
3388 | { |
3389 | unsigned int result, z, s, cy, ov, sat; | |
3390 | ||
3391 | /* Compute the result. */ | |
3392 | result = op1 - op0; | |
3393 | ||
3394 | /* Compute the condition codes. */ | |
3395 | z = (result == 0); | |
3396 | s = (result & 0x80000000); | |
3397 | cy = (op1 < op0); | |
3398 | ov = ((op1 & 0x80000000) != (op0 & 0x80000000) | |
3399 | && (op1 & 0x80000000) != (result & 0x80000000)); | |
3400 | sat = ov; | |
3401 | ||
3402 | /* Store the result and condition codes. */ | |
3403 | PSW &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV); | |
3404 | PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0) | |
3405 | | (cy ? PSW_CY : 0) | (ov ? PSW_OV : 0) | |
3406 | | (sat ? PSW_SAT : 0)); | |
3407 | ||
3408 | /* Handle saturated results. */ | |
3409 | if (sat && s) | |
3410 | { | |
3411 | result = 0x7fffffff; | |
3412 | PSW &= ~PSW_S; | |
3413 | } | |
3414 | else if (sat) | |
3415 | { | |
3416 | result = 0x80000000; | |
3417 | PSW |= PSW_S; | |
3418 | } | |
3419 | ||
3420 | *op2p = result; | |
3421 | } | |
3422 | ||
3423 | unsigned32 | |
a3976a7c NC |
3424 | load_data_mem (SIM_DESC sd, |
3425 | SIM_ADDR addr, | |
3426 | int len) | |
2aaed979 KB |
3427 | { |
3428 | uint32 data; | |
3429 | ||
3430 | switch (len) | |
3431 | { | |
3432 | case 1: | |
3433 | data = sim_core_read_unaligned_1 (STATE_CPU (sd, 0), | |
3434 | PC, read_map, addr); | |
3435 | break; | |
3436 | case 2: | |
3437 | data = sim_core_read_unaligned_2 (STATE_CPU (sd, 0), | |
3438 | PC, read_map, addr); | |
3439 | break; | |
3440 | case 4: | |
3441 | data = sim_core_read_unaligned_4 (STATE_CPU (sd, 0), | |
3442 | PC, read_map, addr); | |
3443 | break; | |
3444 | default: | |
3445 | abort (); | |
3446 | } | |
3447 | return data; | |
3448 | } | |
3449 | ||
3450 | void | |
a3976a7c NC |
3451 | store_data_mem (SIM_DESC sd, |
3452 | SIM_ADDR addr, | |
3453 | int len, | |
3454 | unsigned32 data) | |
2aaed979 KB |
3455 | { |
3456 | switch (len) | |
3457 | { | |
3458 | case 1: | |
a3976a7c | 3459 | store_mem (addr, 1, data); |
2aaed979 KB |
3460 | break; |
3461 | case 2: | |
a3976a7c | 3462 | store_mem (addr, 2, data); |
2aaed979 KB |
3463 | break; |
3464 | case 4: | |
a3976a7c | 3465 | store_mem (addr, 4, data); |
2aaed979 KB |
3466 | break; |
3467 | default: | |
3468 | abort (); | |
3469 | } | |
3470 | } | |
3471 | ||
a3976a7c NC |
3472 | int |
3473 | mpu_load_mem_test (SIM_DESC sd, unsigned int addr, int size, int base_reg) | |
2aaed979 KB |
3474 | { |
3475 | int result = 1; | |
3476 | ||
3477 | if (PSW & PSW_DMP) | |
3478 | { | |
a3976a7c | 3479 | if (IPE0 && addr >= IPA2ADDR (IPA0L) && addr <= IPA2ADDR (IPA0L) && IPR0) |
2aaed979 KB |
3480 | { |
3481 | /* text area */ | |
3482 | } | |
a3976a7c | 3483 | else if (IPE1 && addr >= IPA2ADDR (IPA1L) && addr <= IPA2ADDR (IPA1L) && IPR1) |
2aaed979 KB |
3484 | { |
3485 | /* text area */ | |
3486 | } | |
a3976a7c | 3487 | else if (IPE2 && addr >= IPA2ADDR (IPA2L) && addr <= IPA2ADDR (IPA2L) && IPR2) |
2aaed979 KB |
3488 | { |
3489 | /* text area */ | |
3490 | } | |
a3976a7c | 3491 | else if (IPE3 && addr >= IPA2ADDR (IPA3L) && addr <= IPA2ADDR (IPA3L) && IPR3) |
2aaed979 KB |
3492 | { |
3493 | /* text area */ | |
3494 | } | |
a3976a7c | 3495 | else if (addr >= PPA2ADDR (PPA & ~PPM) && addr <= DPA2ADDR (PPA | PPM)) |
2aaed979 KB |
3496 | { |
3497 | /* preifarallel area */ | |
3498 | } | |
a3976a7c | 3499 | else if (addr >= PPA2ADDR (SPAL) && addr <= DPA2ADDR (SPAU)) |
2aaed979 KB |
3500 | { |
3501 | /* stack area */ | |
3502 | } | |
a3976a7c | 3503 | else if (DPE0 && addr >= DPA2ADDR (DPA0L) && addr <= DPA2ADDR (DPA0L) && DPR0 |
2aaed979 KB |
3504 | && ((SPAL & SPAL_SPS) ? base_reg == SP_REGNO : 1)) |
3505 | { | |
3506 | /* data area */ | |
3507 | } | |
a3976a7c | 3508 | else if (DPE1 && addr >= DPA2ADDR (DPA1L) && addr <= DPA2ADDR (DPA1L) && DPR1 |
2aaed979 KB |
3509 | && ((SPAL & SPAL_SPS) ? base_reg == SP_REGNO : 1)) |
3510 | { | |
3511 | /* data area */ | |
3512 | } | |
a3976a7c | 3513 | else if (DPE2 && addr >= DPA2ADDR (DPA2L) && addr <= DPA2ADDR (DPA2L) && DPR2 |
2aaed979 KB |
3514 | && ((SPAL & SPAL_SPS) ? base_reg == SP_REGNO : 1)) |
3515 | { | |
3516 | /* data area */ | |
3517 | } | |
a3976a7c | 3518 | else if (DPE3 && addr >= DPA2ADDR (DPA3L) && addr <= DPA2ADDR (DPA3L) && DPR3 |
2aaed979 KB |
3519 | && ((SPAL & SPAL_SPS) ? base_reg == SP_REGNO : 1)) |
3520 | { | |
3521 | /* data area */ | |
3522 | } | |
3523 | else | |
3524 | { | |
3525 | VMECR &= ~(VMECR_VMW | VMECR_VMX); | |
3526 | VMECR |= VMECR_VMR; | |
3527 | VMADR = addr; | |
3528 | VMTID = TID; | |
3529 | FEIC = 0x431; | |
3530 | ||
3531 | PC = 0x30; | |
3532 | ||
a3976a7c | 3533 | SignalException (sd); |
2aaed979 KB |
3534 | result = 0; |
3535 | } | |
3536 | } | |
3537 | ||
3538 | return result; | |
3539 | } | |
3540 | ||
a3976a7c NC |
3541 | int |
3542 | mpu_store_mem_test (SIM_DESC sd, unsigned int addr, int size, int base_reg) | |
2aaed979 KB |
3543 | { |
3544 | int result = 1; | |
3545 | ||
3546 | if (PSW & PSW_DMP) | |
3547 | { | |
a3976a7c | 3548 | if (addr >= PPA2ADDR (PPA & ~PPM) && addr <= DPA2ADDR (PPA | PPM)) |
2aaed979 KB |
3549 | { |
3550 | /* preifarallel area */ | |
3551 | } | |
a3976a7c | 3552 | else if (addr >= PPA2ADDR (SPAL) && addr <= DPA2ADDR (SPAU)) |
2aaed979 KB |
3553 | { |
3554 | /* stack area */ | |
3555 | } | |
a3976a7c | 3556 | else if (DPE0 && addr >= DPA2ADDR (DPA0L) && addr <= DPA2ADDR (DPA0L) && DPW0 |
2aaed979 KB |
3557 | && ((SPAL & SPAL_SPS) ? base_reg == SP_REGNO : 1)) |
3558 | { | |
3559 | /* data area */ | |
3560 | } | |
a3976a7c | 3561 | else if (DPE1 && addr >= DPA2ADDR (DPA1L) && addr <= DPA2ADDR (DPA1L) && DPW1 |
2aaed979 KB |
3562 | && ((SPAL & SPAL_SPS) ? base_reg == SP_REGNO : 1)) |
3563 | { | |
3564 | /* data area */ | |
3565 | } | |
a3976a7c | 3566 | else if (DPE2 && addr >= DPA2ADDR (DPA2L) && addr <= DPA2ADDR (DPA2L) && DPW2 |
2aaed979 KB |
3567 | && ((SPAL & SPAL_SPS) ? base_reg == SP_REGNO : 1)) |
3568 | { | |
3569 | /* data area */ | |
3570 | } | |
a3976a7c | 3571 | else if (DPE3 && addr >= DPA2ADDR (DPA3L) && addr <= DPA2ADDR (DPA3L) && DPW3 |
2aaed979 KB |
3572 | && ((SPAL & SPAL_SPS) ? base_reg == SP_REGNO : 1)) |
3573 | { | |
3574 | /* data area */ | |
3575 | } | |
3576 | else | |
3577 | { | |
a3976a7c | 3578 | if (addr >= PPA2ADDR (PPA & ~PPM) && addr <= DPA2ADDR (PPA | PPM)) |
2aaed979 KB |
3579 | { |
3580 | FEIC = 0x432; | |
3581 | VPTID = TID; | |
3582 | VPADR = PC; | |
3583 | #ifdef NOT_YET | |
3584 | VIP_PP; | |
3585 | VPECR; | |
3586 | #endif | |
3587 | } | |
3588 | else | |
3589 | { | |
3590 | FEIC = 0x431; | |
3591 | VMTID = TID; | |
3592 | VMADR = VMECR; | |
3593 | VMECR &= ~(VMECR_VMW | VMECR_VMX); | |
3594 | VMECR |= VMECR_VMR; | |
3595 | PC = 0x30; | |
3596 | } | |
3597 | result = 0; | |
3598 | } | |
3599 | } | |
3600 | ||
3601 | return result; | |
3602 | } | |
3603 |