2 * func.c, misc simulator functions. This file is part of SIS.
4 * SIS, SPARC instruction simulator V1.8 Copyright (C) 1995 Jiri Gaisler,
5 * European Space Agency
7 * This program is free software; you can redistribute it and/or modify it under
8 * the terms of the GNU General Public License as published by the Free
9 * Software Foundation; either version 3 of the License, or (at your option)
12 * This program is distributed in the hope that it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
17 * You should have received a copy of the GNU General Public License along with
18 * this program; if not, see <http://www.gnu.org/licenses/>.
30 #include "sim-config.h"
33 #define VAL(x) strtoul(x,(char **)NULL,0)
35 extern int current_target_byte_order
;
36 struct disassemble_info dinfo
;
38 extern struct estate ebase
;
41 char *sis_version
= "2.7.5";
48 int sparclite
= 0; /* emulating SPARClite instructions? */
49 int sparclite_board
= 0; /* emulating SPARClite board RAM? */
50 char uart_dev1
[128] = "";
51 char uart_dev2
[128] = "";
53 uint32 last_load_addr
= 0;
63 /* Forward declarations */
65 static int batch (struct pstate
*sregs
, char *fname
);
66 static void set_rega (struct pstate
*sregs
, char *reg
, uint32 rval
);
67 static void disp_reg (struct pstate
*sregs
, char *reg
);
68 static uint32
limcalc (float32 freq
);
69 static void int_handler (int32 sig
);
70 static void init_event (void);
71 static int disp_fpu (struct pstate
*sregs
);
72 static void disp_regs (struct pstate
*sregs
, int cwp
);
73 static void disp_ctrl (struct pstate
*sregs
);
74 static void disp_mem (uint32 addr
, uint32 len
);
84 if ((fp
= fopen(fname
, "r")) == NULL
) {
85 fprintf(stderr
, "couldn't open batch file %s\n", fname
);
90 fgets(lbuf
, 1023, fp
);
91 if ((strlen(lbuf
) > 0) && (lbuf
[strlen(lbuf
) - 1] == '\n'))
92 lbuf
[strlen(lbuf
) - 1] = 0;
93 printf("sis> %s\n", lbuf
);
94 exec_cmd(sregs
, lbuf
);
101 set_regi(sregs
, reg
, rval
)
102 struct pstate
*sregs
;
108 cwp
= ((sregs
->psr
& 0x7) << 4);
109 if ((reg
> 0) && (reg
< 8)) {
110 sregs
->g
[reg
] = rval
;
111 } else if ((reg
>= 8) && (reg
< 32)) {
112 sregs
->r
[(cwp
+ reg
) & 0x7f] = rval
;
113 } else if ((reg
>= 32) && (reg
< 64)) {
114 sregs
->fsi
[reg
- 32] = rval
;
145 get_regi(struct pstate
* sregs
, int32 reg
, char *buf
)
150 cwp
= ((sregs
->psr
& 0x7) << 4);
151 if ((reg
>= 0) && (reg
< 8)) {
152 rval
= sregs
->g
[reg
];
153 } else if ((reg
>= 8) && (reg
< 32)) {
154 rval
= sregs
->r
[(cwp
+ reg
) & 0x7f];
155 } else if ((reg
>= 32) && (reg
< 64)) {
156 rval
= sregs
->fsi
[reg
- 32];
183 if (current_target_byte_order
== BIG_ENDIAN
) {
184 buf
[0] = (rval
>> 24) & 0x0ff;
185 buf
[1] = (rval
>> 16) & 0x0ff;
186 buf
[2] = (rval
>> 8) & 0x0ff;
187 buf
[3] = rval
& 0x0ff;
190 buf
[3] = (rval
>> 24) & 0x0ff;
191 buf
[2] = (rval
>> 16) & 0x0ff;
192 buf
[1] = (rval
>> 8) & 0x0ff;
193 buf
[0] = rval
& 0x0ff;
199 set_rega(sregs
, reg
, rval
)
200 struct pstate
*sregs
;
207 cwp
= ((sregs
->psr
& 0x7) << 4);
208 if (strcmp(reg
, "psr") == 0)
209 sregs
->psr
= (rval
= (rval
& 0x00f03fff));
210 else if (strcmp(reg
, "tbr") == 0)
211 sregs
->tbr
= (rval
= (rval
& 0xfffffff0));
212 else if (strcmp(reg
, "wim") == 0)
213 sregs
->wim
= (rval
= (rval
& 0x0ff));
214 else if (strcmp(reg
, "y") == 0)
216 else if (strcmp(reg
, "pc") == 0)
218 else if (strcmp(reg
, "npc") == 0)
220 else if (strcmp(reg
, "fsr") == 0) {
223 } else if (strcmp(reg
, "g0") == 0)
225 else if (strcmp(reg
, "g1") == 0)
227 else if (strcmp(reg
, "g2") == 0)
229 else if (strcmp(reg
, "g3") == 0)
231 else if (strcmp(reg
, "g4") == 0)
233 else if (strcmp(reg
, "g5") == 0)
235 else if (strcmp(reg
, "g6") == 0)
237 else if (strcmp(reg
, "g7") == 0)
239 else if (strcmp(reg
, "o0") == 0)
240 sregs
->r
[(cwp
+ 8) & 0x7f] = rval
;
241 else if (strcmp(reg
, "o1") == 0)
242 sregs
->r
[(cwp
+ 9) & 0x7f] = rval
;
243 else if (strcmp(reg
, "o2") == 0)
244 sregs
->r
[(cwp
+ 10) & 0x7f] = rval
;
245 else if (strcmp(reg
, "o3") == 0)
246 sregs
->r
[(cwp
+ 11) & 0x7f] = rval
;
247 else if (strcmp(reg
, "o4") == 0)
248 sregs
->r
[(cwp
+ 12) & 0x7f] = rval
;
249 else if (strcmp(reg
, "o5") == 0)
250 sregs
->r
[(cwp
+ 13) & 0x7f] = rval
;
251 else if (strcmp(reg
, "o6") == 0)
252 sregs
->r
[(cwp
+ 14) & 0x7f] = rval
;
253 else if (strcmp(reg
, "o7") == 0)
254 sregs
->r
[(cwp
+ 15) & 0x7f] = rval
;
255 else if (strcmp(reg
, "l0") == 0)
256 sregs
->r
[(cwp
+ 16) & 0x7f] = rval
;
257 else if (strcmp(reg
, "l1") == 0)
258 sregs
->r
[(cwp
+ 17) & 0x7f] = rval
;
259 else if (strcmp(reg
, "l2") == 0)
260 sregs
->r
[(cwp
+ 18) & 0x7f] = rval
;
261 else if (strcmp(reg
, "l3") == 0)
262 sregs
->r
[(cwp
+ 19) & 0x7f] = rval
;
263 else if (strcmp(reg
, "l4") == 0)
264 sregs
->r
[(cwp
+ 20) & 0x7f] = rval
;
265 else if (strcmp(reg
, "l5") == 0)
266 sregs
->r
[(cwp
+ 21) & 0x7f] = rval
;
267 else if (strcmp(reg
, "l6") == 0)
268 sregs
->r
[(cwp
+ 22) & 0x7f] = rval
;
269 else if (strcmp(reg
, "l7") == 0)
270 sregs
->r
[(cwp
+ 23) & 0x7f] = rval
;
271 else if (strcmp(reg
, "i0") == 0)
272 sregs
->r
[(cwp
+ 24) & 0x7f] = rval
;
273 else if (strcmp(reg
, "i1") == 0)
274 sregs
->r
[(cwp
+ 25) & 0x7f] = rval
;
275 else if (strcmp(reg
, "i2") == 0)
276 sregs
->r
[(cwp
+ 26) & 0x7f] = rval
;
277 else if (strcmp(reg
, "i3") == 0)
278 sregs
->r
[(cwp
+ 27) & 0x7f] = rval
;
279 else if (strcmp(reg
, "i4") == 0)
280 sregs
->r
[(cwp
+ 28) & 0x7f] = rval
;
281 else if (strcmp(reg
, "i5") == 0)
282 sregs
->r
[(cwp
+ 29) & 0x7f] = rval
;
283 else if (strcmp(reg
, "i6") == 0)
284 sregs
->r
[(cwp
+ 30) & 0x7f] = rval
;
285 else if (strcmp(reg
, "i7") == 0)
286 sregs
->r
[(cwp
+ 31) & 0x7f] = rval
;
291 printf("%s = %d (0x%08x)\n", reg
, rval
, rval
);
294 printf("no such regiser: %s\n", reg
);
297 printf("cannot set g0\n");
307 struct pstate
*sregs
;
310 if (strncmp(reg
, "w",1) == 0)
311 disp_regs(sregs
, VAL(®
[1]));
321 switch (err
= (random() % 12)) {
322 case 0: errtt
= 0x61; break;
323 case 1: errtt
= 0x62; break;
324 case 2: errtt
= 0x63; break;
325 case 3: errtt
= 0x64; break;
326 case 4: errtt
= 0x65; break;
329 case 7: errftt
= err
;
331 case 8: errmec
= 1; break;
332 case 9: errmec
= 2; break;
333 case 10: errmec
= 5; break;
334 case 11: errmec
= 6; break;
337 if (errper
) event(errinj
, 0, (random()%errper
));
343 if (errper
) event(errinj
, 0, (random()%errper
));
358 if ((cmd1
= strtok(NULL
, " \t\n\r")) != NULL
) {
360 if ((cmd2
= strtok(NULL
, " \t\n\r")) != NULL
) {
361 if (strcmp(cmd2
,"us")==0) unit
= 1;
362 if (strcmp(cmd2
,"ms")==0) unit
= 1000;
363 if (strcmp(cmd2
,"s")==0) unit
= 1000000;
365 flim
= (double) lim
* (double) unit
* (double) freq
+
366 (double) ebase
.simtime
;
367 if ((flim
> ebase
.simtime
) && (flim
< 4294967296.0)) {
370 printf("error in expression\n");
380 struct pstate
*sregs
;
384 uint32 len
, i
, clen
, j
;
385 static uint32 daddr
= 0;
389 cmdsave
= strdup(cmd
);
390 if ((cmd1
= strtok(cmd
, " \t")) != NULL
) {
392 if (strncmp(cmd1
, "bp", clen
) == 0) {
393 for (i
= 0; i
< sregs
->bptnum
; i
++) {
394 printf(" %d : 0x%08x\n", i
+ 1, sregs
->bpts
[i
]);
396 } else if (strncmp(cmd1
, "+bp", clen
) == 0) {
397 if ((cmd1
= strtok(NULL
, " \t\n\r")) != NULL
) {
398 sregs
->bpts
[sregs
->bptnum
] = VAL(cmd1
) & ~0x3;
399 printf("added breakpoint %d at 0x%08x\n",
400 sregs
->bptnum
+ 1, sregs
->bpts
[sregs
->bptnum
]);
403 } else if (strncmp(cmd1
, "-bp", clen
) == 0) {
404 if ((cmd1
= strtok(NULL
, " \t\n\r")) != NULL
) {
406 if ((i
>= 0) && (i
< sregs
->bptnum
)) {
407 printf("deleted breakpoint %d at 0x%08x\n", i
+ 1,
409 for (; i
< sregs
->bptnum
- 1; i
++) {
410 sregs
->bpts
[i
] = sregs
->bpts
[i
+ 1];
415 } else if (strncmp(cmd1
, "batch", clen
) == 0) {
416 if ((cmd1
= strtok(NULL
, " \t\n\r")) == NULL
) {
417 printf("no file specified\n");
421 } else if (strncmp(cmd1
, "cont", clen
) == 0) {
422 if ((cmd1
= strtok(NULL
, " \t\n\r")) == NULL
) {
423 stat
= run_sim(sregs
, UINT64_MAX
, 0);
425 stat
= run_sim(sregs
, VAL(cmd1
), 0);
429 } else if (strncmp(cmd1
, "debug", clen
) == 0) {
430 if ((cmd1
= strtok(NULL
, " \t\n\r")) != NULL
) {
431 sis_verbose
= VAL(cmd1
);
433 printf("Debug level = %d\n",sis_verbose
);
434 } else if (strncmp(cmd1
, "dis", clen
) == 0) {
435 if ((cmd1
= strtok(NULL
, " \t\n\r")) != NULL
) {
438 if ((cmd2
= strtok(NULL
, " \t\n\r")) != NULL
) {
443 dis_mem(daddr
, len
, &dinfo
);
446 } else if (strncmp(cmd1
, "echo", clen
) == 0) {
447 if ((cmd1
= strtok(NULL
, " \t\n\r")) != NULL
) {
448 printf("%s\n", (&cmdsave
[clen
+1]));
451 } else if (strncmp(cmd1
, "error", clen
) == 0) {
452 if ((cmd1
= strtok(NULL
, " \t\n\r")) != NULL
) {
455 event(errinj
, 0, (len
= (random()%errper
)));
456 printf("Error injection started with period %d\n",len
);
458 } else printf("Injected errors: %d\n",errcnt
);
460 } else if (strncmp(cmd1
, "float", clen
) == 0) {
461 stat
= disp_fpu(sregs
);
462 } else if (strncmp(cmd1
, "go", clen
) == 0) {
463 if ((cmd1
= strtok(NULL
, " \t\n\r")) == NULL
) {
464 len
= last_load_addr
;
468 sregs
->pc
= len
& ~3;
469 sregs
->npc
= sregs
->pc
+ 4;
470 if ((sregs
->pc
!= 0) && (ebase
.simtime
== 0))
472 printf("resuming at 0x%08x\n",sregs
->pc
);
473 if ((cmd2
= strtok(NULL
, " \t\n\r")) != NULL
) {
474 stat
= run_sim(sregs
, VAL(cmd2
), 0);
476 stat
= run_sim(sregs
, UINT64_MAX
, 0);
480 } else if (strncmp(cmd1
, "help", clen
) == 0) {
482 } else if (strncmp(cmd1
, "history", clen
) == 0) {
483 if ((cmd1
= strtok(NULL
, " \t\n\r")) != NULL
) {
484 sregs
->histlen
= VAL(cmd1
);
485 if (sregs
->histbuf
!= NULL
)
486 free(sregs
->histbuf
);
487 sregs
->histbuf
= (struct histype
*) calloc(sregs
->histlen
, sizeof(struct histype
));
488 printf("trace history length = %d\n\r", sregs
->histlen
);
493 for (i
= 0; i
< sregs
->histlen
; i
++) {
494 if (j
>= sregs
->histlen
)
496 printf(" %8d ", sregs
->histbuf
[j
].time
);
497 dis_mem(sregs
->histbuf
[j
].addr
, 1, &dinfo
);
502 } else if (strncmp(cmd1
, "load", clen
) == 0) {
503 if ((cmd1
= strtok(NULL
, " \t\n\r")) != NULL
) {
504 last_load_addr
= bfd_load(cmd1
);
505 while ((cmd1
= strtok(NULL
, " \t\n\r")) != NULL
)
506 last_load_addr
= bfd_load(cmd1
);
508 printf("load: no file specified\n");
510 } else if (strncmp(cmd1
, "mem", clen
) == 0) {
511 if ((cmd1
= strtok(NULL
, " \t\n\r")) != NULL
)
513 if ((cmd2
= strtok(NULL
, " \t\n\r")) != NULL
)
517 disp_mem(daddr
, len
);
519 } else if (strncmp(cmd1
, "perf", clen
) == 0) {
520 cmd1
= strtok(NULL
, " \t\n\r");
521 if ((cmd1
!= NULL
) &&
522 (strncmp(cmd1
, "reset", strlen(cmd1
)) == 0)) {
526 } else if (strncmp(cmd1
, "quit", clen
) == 0) {
528 } else if (strncmp(cmd1
, "reg", clen
) == 0) {
529 cmd1
= strtok(NULL
, " \t\n\r");
530 cmd2
= strtok(NULL
, " \t\n\r");
532 set_rega(sregs
, cmd1
, VAL(cmd2
));
533 else if (cmd1
!= NULL
)
534 disp_reg(sregs
, cmd1
);
536 disp_regs(sregs
,sregs
->psr
);
539 } else if (strncmp(cmd1
, "reset", clen
) == 0) {
543 } else if (strncmp(cmd1
, "run", clen
) == 0) {
547 if ((cmd1
= strtok(NULL
, " \t\n\r")) == NULL
) {
548 stat
= run_sim(sregs
, UINT64_MAX
, 0);
550 stat
= run_sim(sregs
, VAL(cmd1
), 0);
554 } else if (strncmp(cmd1
, "shell", clen
) == 0) {
555 if ((cmd1
= strtok(NULL
, " \t\n\r")) != NULL
) {
556 system(&cmdsave
[clen
]);
558 } else if (strncmp(cmd1
, "step", clen
) == 0) {
559 stat
= run_sim(sregs
, 1, 1);
562 } else if (strncmp(cmd1
, "tcont", clen
) == 0) {
563 sregs
->tlimit
= limcalc(sregs
->freq
);
564 stat
= run_sim(sregs
, UINT64_MAX
, 0);
567 } else if (strncmp(cmd1
, "tgo", clen
) == 0) {
568 if ((cmd1
= strtok(NULL
, " \t\n\r")) == NULL
) {
569 len
= last_load_addr
;
572 sregs
->tlimit
= limcalc(sregs
->freq
);
574 sregs
->pc
= len
& ~3;
575 sregs
->npc
= sregs
->pc
+ 4;
576 printf("resuming at 0x%08x\n",sregs
->pc
);
577 stat
= run_sim(sregs
, UINT64_MAX
, 0);
580 } else if (strncmp(cmd1
, "tlimit", clen
) == 0) {
581 sregs
->tlimit
= limcalc(sregs
->freq
);
582 if (sregs
->tlimit
!= (uint32
) -1)
583 printf("simulation limit = %u (%.3f ms)\n",(uint32
) sregs
->tlimit
,
584 sregs
->tlimit
/ sregs
->freq
/ 1000);
585 } else if (strncmp(cmd1
, "tra", clen
) == 0) {
586 if ((cmd1
= strtok(NULL
, " \t\n\r")) == NULL
) {
587 stat
= run_sim(sregs
, UINT64_MAX
, 1);
589 stat
= run_sim(sregs
, VAL(cmd1
), 1);
594 } else if (strncmp(cmd1
, "trun", clen
) == 0) {
598 sregs
->tlimit
= limcalc(sregs
->freq
);
599 stat
= run_sim(sregs
, UINT64_MAX
, 0);
603 printf("syntax error\n");
613 struct pstate
*sregs
;
615 sregs
->tottime
= 0.0;
625 sregs
->simstart
= ebase
.simtime
;
631 struct pstate
*sregs
;
636 if (sregs
->tottime
== 0.0)
637 sregs
->tottime
+= 1E-6;
638 stime
= ebase
.simtime
- sregs
->simstart
; /* Total simulated time */
641 iinst
= sregs
->ninst
- sregs
->finst
- sregs
->nload
- sregs
->nstore
-
645 printf("\n Cycles : %9d\n\r", ebase
.simtime
- sregs
->simstart
);
646 printf(" Instructions : %9d\n", sregs
->ninst
);
649 printf(" integer : %9.2f %%\n", 100.0 * (float) iinst
/ (float) sregs
->ninst
);
650 printf(" load : %9.2f %%\n",
651 100.0 * (float) sregs
->nload
/ (float) sregs
->ninst
);
652 printf(" store : %9.2f %%\n",
653 100.0 * (float) sregs
->nstore
/ (float) sregs
->ninst
);
654 printf(" branch : %9.2f %%\n",
655 100.0 * (float) sregs
->nbranch
/ (float) sregs
->ninst
);
656 printf(" float : %9.2f %%\n",
657 100.0 * (float) sregs
->finst
/ (float) sregs
->ninst
);
658 printf(" Integer CPI : %9.2f\n",
659 ((float) (stime
- sregs
->pwdtime
- sregs
->fholdt
- sregs
->finst
))
661 (float) (sregs
->ninst
- sregs
->finst
));
662 printf(" Float CPI : %9.2f\n",
663 ((float) sregs
->fholdt
/ (float) sregs
->finst
) + 1.0);
665 printf(" Overall CPI : %9.2f\n",
666 (float) (stime
- sregs
->pwdtime
) / (float) sregs
->ninst
);
667 printf("\n ERC32 performance (%4.1f MHz): %5.2f MOPS (%5.2f MIPS, %5.2f MFLOPS)\n",
668 sregs
->freq
, sregs
->freq
* (float) sregs
->ninst
/ (float) (stime
- sregs
->pwdtime
),
669 sregs
->freq
* (float) (sregs
->ninst
- sregs
->finst
) /
670 (float) (stime
- sregs
->pwdtime
),
671 sregs
->freq
* (float) sregs
->finst
/ (float) (stime
- sregs
->pwdtime
));
672 printf(" Simulated ERC32 time : %.2f s\n",
673 (float) (ebase
.simtime
- sregs
->simstart
) / 1000000.0 / sregs
->freq
);
674 printf(" Processor utilisation : %.2f %%\n",
675 100.0 * (1.0 - ((float) sregs
->pwdtime
/ (float) stime
)));
676 printf(" Real-time performance : %.2f %%\n",
677 100.0 / (sregs
->tottime
/ ((double) (stime
) / (sregs
->freq
* 1.0E6
))));
678 printf(" Simulator performance : %.2f MIPS\n",
679 (double)(sregs
->ninst
) / sregs
->tottime
/ 1E6
);
680 printf(" Used time (sys + user) : %.2f s\n\n", sregs
->tottime
);
687 struct pstate
*sregs
;
692 sregs
->histbuf
= NULL
;
701 printf("\n\n Signal handler error (%d)\n\n", sig
);
708 typedef void (*PFI
) ();
709 static PFI int_tab
[2];
711 int_tab
[0] = signal(SIGTERM
, int_handler
);
712 int_tab
[1] = signal(SIGINT
, int_handler
);
716 extern struct disassemble_info dinfo
;
719 struct evcell evbuf
[EVENT_MAX
];
720 struct irqcell irqarr
[16];
724 struct pstate
*sregs
;
730 printf("\n fsr: %08X\n\n", sregs
->fsr
);
732 #ifdef HOST_LITTLE_ENDIAN
733 for (i
= 0; i
< 32; i
++)
734 sregs
->fdp
[i
^ 1] = sregs
->fs
[i
];
737 for (i
= 0; i
< 32; i
++) {
739 printf(" f%02d %08x %14e ", i
, sregs
->fsi
[i
], sregs
->fs
[i
]);
741 printf("%14e\n", sregs
->fd
[i
>> 1]);
751 struct pstate
*sregs
;
757 cwp
= ((cwp
& 0x7) << 4);
758 printf("\n\t INS LOCALS OUTS GLOBALS\n");
759 for (i
= 0; i
< 8; i
++) {
760 printf(" %d: %08X %08X %08X %08X\n", i
,
761 sregs
->r
[(cwp
+ i
+ 24) & 0x7f],
762 sregs
->r
[(cwp
+ i
+ 16) & 0x7f], sregs
->r
[(cwp
+ i
+ 8) & 0x7f],
767 static void print_insn_sparc_sis(uint32 addr
, struct disassemble_info
*info
)
771 sis_memory_read(addr
, i
, 4);
772 dinfo
.buffer_vma
= addr
;
773 dinfo
.buffer_length
= 4;
775 print_insn_sparc(addr
, info
);
780 struct pstate
*sregs
;
785 printf("\n psr: %08X wim: %08X tbr: %08X y: %08X\n",
786 sregs
->psr
, sregs
->wim
, sregs
->tbr
, sregs
->y
);
787 sis_memory_read(sregs
->pc
, i
, 4);
788 printf("\n pc: %08X = %02X%02X%02X%02X ", sregs
->pc
,i
[0],i
[1],i
[2],i
[3]);
789 print_insn_sparc_sis(sregs
->pc
, &dinfo
);
790 sis_memory_read(sregs
->npc
, i
, 4);
791 printf("\n npc: %08X = %02X%02X%02X%02X ",sregs
->npc
,i
[0],i
[1],i
[2],i
[3]);
792 print_insn_sparc_sis(sregs
->npc
, &dinfo
);
794 printf("\n IU in error mode");
805 unsigned char data
[4];
809 for (i
= addr
& ~3; i
< ((addr
+ len
) & ~3); i
+= 16) {
810 printf("\n %8X ", i
);
811 for (j
= 0; j
< 4; j
++) {
812 sis_memory_read((i
+ (j
* 4)), data
, 4);
813 printf("%02x%02x%02x%02x ", data
[0],data
[1],data
[2],data
[3]);
814 mem
[j
] = *((int *) &data
);
818 for (j
= 0; j
< 16; j
++) {
829 dis_mem(addr
, len
, info
)
832 struct disassemble_info
*info
;
835 unsigned char data
[4];
837 for (i
= addr
& -3; i
< ((addr
& -3) + (len
<< 2)); i
+= 4) {
838 sis_memory_read(i
, data
, 4);
839 printf(" %08x %02x%02x%02x%02x ", i
, data
[0],data
[1],data
[2],data
[3]);
840 print_insn_sparc_sis(i
, info
);
841 if (i
>= 0xfffffffc) break;
846 /* Add event to event queue */
849 event(cfunc
, arg
, delta
)
854 struct evcell
*ev1
, *evins
;
856 if (ebase
.freeq
== NULL
) {
857 printf("Error, too many events in event queue\n");
861 delta
+= ebase
.simtime
;
862 while ((ev1
->nxt
!= NULL
) && (ev1
->nxt
->time
<= delta
)) {
865 if (ev1
->nxt
== NULL
) {
866 ev1
->nxt
= ebase
.freeq
;
867 ebase
.freeq
= ebase
.freeq
->nxt
;
868 ev1
->nxt
->nxt
= NULL
;
871 ebase
.freeq
= ebase
.freeq
->nxt
;
872 evins
->nxt
= ev1
->nxt
;
875 ev1
->nxt
->time
= delta
;
876 ev1
->nxt
->cfunc
= cfunc
;
880 #if 0 /* apparently not used */
894 for (i
= 0; i
< EVENT_MAX
; i
++) {
895 evbuf
[i
].nxt
= &evbuf
[i
+ 1];
897 evbuf
[EVENT_MAX
- 1].nxt
= NULL
;
901 set_int(level
, callback
, arg
)
906 irqarr
[level
& 0x0f].callback
= callback
;
907 irqarr
[level
& 0x0f].arg
= arg
;
910 /* Advance simulator time */
914 struct pstate
*sregs
;
917 struct evcell
*evrem
;
923 sregs
->fholdt
+= sregs
->fhold
;
924 sregs
->holdt
+= sregs
->hold
;
925 sregs
->icntt
+= sregs
->icnt
;
928 endtime
= ebase
.simtime
+ sregs
->icnt
+ sregs
->hold
+ sregs
->fhold
;
930 while ((ebase
.eq
.nxt
->time
<= (endtime
)) && (ebase
.eq
.nxt
!= NULL
)) {
931 ebase
.simtime
= ebase
.eq
.nxt
->time
;
932 cfunc
= ebase
.eq
.nxt
->cfunc
;
933 arg
= ebase
.eq
.nxt
->arg
;
934 evrem
= ebase
.eq
.nxt
;
935 ebase
.eq
.nxt
= ebase
.eq
.nxt
->nxt
;
936 evrem
->nxt
= ebase
.freeq
;
940 ebase
.simtime
= endtime
;
947 return(ebase
.simtime
);
951 /* Advance time until an external interrupt is seen */
956 struct evcell
*evrem
;
961 if (ebase
.eq
.nxt
== NULL
)
962 printf("Warning: event queue empty - power-down mode not entered\n");
963 endtime
= ebase
.simtime
;
964 while (!ext_irl
&& (ebase
.eq
.nxt
!= NULL
)) {
965 ebase
.simtime
= ebase
.eq
.nxt
->time
;
966 cfunc
= ebase
.eq
.nxt
->cfunc
;
967 arg
= ebase
.eq
.nxt
->arg
;
968 evrem
= ebase
.eq
.nxt
;
969 ebase
.eq
.nxt
= ebase
.eq
.nxt
->nxt
;
970 evrem
->nxt
= ebase
.freeq
;
974 printf("\bwarning: power-down mode interrupted\n");
978 sregs
.pwdtime
+= ebase
.simtime
- endtime
;
979 return (ebase
.simtime
- endtime
);
984 struct pstate
*sregs
;
988 if ((sregs
->bphit
) || (sregs
->annul
))
990 for (i
= 0; i
< (int32
) sregs
->bptnum
; i
++) {
991 if (sregs
->pc
== sregs
->bpts
[i
])
1000 init_event(); /* Clear event queue */
1012 sregs
.trap
= 256; /* Force fake reset trap */
1018 sregs
.trap
= 257; /* Force fake halt trap */
1021 #include "ansidecl.h"
1025 #include "libiberty.h"
1028 #define min(A, B) (((A) < (B)) ? (A) : (B))
1029 #define LOAD_ADDRESS 0
1037 const bfd_arch_info_type
*arch
;
1039 pbfd
= bfd_openr(fname
, 0);
1042 printf("open of %s failed\n", fname
);
1045 if (!bfd_check_format(pbfd
, bfd_object
)) {
1046 printf("file %s doesn't seem to be an object file\n", fname
);
1050 arch
= bfd_get_arch_info (pbfd
);
1051 if (bfd_little_endian (pbfd
) || arch
->mach
== bfd_mach_sparc_sparclite_le
)
1052 current_target_byte_order
= LITTLE_ENDIAN
;
1054 current_target_byte_order
= BIG_ENDIAN
;
1056 printf("file %s is %s-endian.\n", fname
,
1057 current_target_byte_order
== BIG_ENDIAN
? "big" : "little");
1060 printf("loading %s:", fname
);
1061 for (section
= pbfd
->sections
; section
; section
= section
->next
) {
1062 if (bfd_get_section_flags(pbfd
, section
) & SEC_ALLOC
) {
1063 bfd_vma section_address
;
1064 unsigned long section_size
;
1065 const char *section_name
;
1067 section_name
= bfd_get_section_name(pbfd
, section
);
1069 section_address
= bfd_get_section_vma(pbfd
, section
);
1071 * Adjust sections from a.out files, since they don't carry their
1074 if (bfd_get_flavour(pbfd
) == bfd_target_aout_flavour
) {
1075 if (strcmp (section_name
, ".text") == 0)
1076 section_address
= bfd_get_start_address (pbfd
);
1077 else if (strcmp (section_name
, ".data") == 0) {
1078 /* Read the first 8 bytes of the data section.
1079 There should be the string 'DaTa' followed by
1080 a word containing the actual section address. */
1083 char signature
[4]; /* 'DaTa' */
1084 unsigned char sdata
[4]; /* &sdata */
1086 bfd_get_section_contents (pbfd
, section
, &marker
, 0,
1088 if (strncmp (marker
.signature
, "DaTa", 4) == 0)
1090 if (current_target_byte_order
== BIG_ENDIAN
)
1091 section_address
= bfd_getb32 (marker
.sdata
);
1093 section_address
= bfd_getl32 (marker
.sdata
);
1098 section_size
= bfd_section_size(pbfd
, section
);
1101 printf("\nsection %s at 0x%08lx (0x%lx bytes)",
1102 section_name
, section_address
, section_size
);
1104 /* Text, data or lit */
1105 if (bfd_get_section_flags(pbfd
, section
) & SEC_LOAD
) {
1110 while (section_size
> 0) {
1114 count
= min(section_size
, 1024);
1116 bfd_get_section_contents(pbfd
, section
, buffer
, fptr
, count
);
1118 sis_memory_write(section_address
, buffer
, count
);
1120 section_address
+= count
;
1122 section_size
-= count
;
1126 printf("(not loaded)");
1132 return(bfd_get_start_address (pbfd
));
1135 double get_time (void)
1141 gettimeofday (&tm
, NULL
);
1142 usec
= ((double) tm
.tv_sec
) * 1E6
+ ((double) tm
.tv_usec
);
1143 return (usec
/ 1E6
);