1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
24 */
25
26 /*
27 * Assembler for Emu10k1
28 */
29 /*
30 * Copyright (C) 4Front Technologies 1996-2008.
31 */
32
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <unistd.h>
36 #include <fcntl.h>
37 #include <string.h>
38 #include <stdarg.h>
39 #include <ctype.h>
40 #include <sys/param.h>
41
42 #define MAX_GPR 256
43 #define MAX_GPR_PARMS 60
44 #define MAX_CONST_PARMS 128
45 #define GPR_NAME_SIZE 32
46
47 typedef struct {
48 char name[GPR_NAME_SIZE];
49 unsigned int num;
50 int type;
51 int def;
52 } gpr_t;
53
54 typedef struct {
55 unsigned int gpr;
56 unsigned int value;
57 } const_t;
58
59 typedef struct {
60 unsigned int ngpr;
61
62 gpr_t gpr[MAX_GPR_PARMS];
63 } gpr_info;
64
65 typedef struct {
66 unsigned int nconst;
67
68 const_t consts[MAX_CONST_PARMS];
69 } const_info;
70
71 typedef struct {
72 unsigned int code[1024];
73 gpr_info parms;
74 const_info consts;
75 int ninit;
76 struct {
77 uint32_t gpr;
78 uint32_t value;
79 char name[GPR_NAME_SIZE];
80 } init[MAX_GPR];
81 } emu10k1_file;
82
83 #define MAX_NAME 64
84 #define MAX_SYMBOLS 1024
85
86 static int parms_only = 0;
87 static int is_audigy = 0;
88 static int verbose = 0;
89
90 static int gpr_base = 0x100;
91 static int input_base = 0x10;
92 static int output_base = 0x20;
93
94 static char *progname;
95
96 typedef struct {
97 char name[MAX_NAME];
98 int type;
99 #define SY_DUMMY 0
100 #define SY_GPR 1
101 #define SY_INPUT 2
102 #define SY_OUTPUT 3
103 #define SY_CONST 4
104 #define SY_FX 5
105 #define SY_ACCUM 6
106 #define SY_PARM 7
107 int arg;
108 } sym_t;
109
110 typedef struct {
111 char *name;
112 int opcode;
113 } instruction_t;
114
115 static char remarks[2048] = "";
116 static char *banner =
117 "/*\n"
118 " * Note: This file was automatically generated by %s\n"
119 " * on %s.\n"
120 " */\n";
121
122 /*
123 * Instructions. Each instruction takes 4 arguments, R, A, X, and Y.
124 */
125 static instruction_t instructions[] = {
126 { "MACS", 0x0}, /* R = A + (X * Y >> 31); saturation */
127 { "MACS1", 0x1}, /* R = A + (-X * Y >> 31); saturation */
128 { "MACW", 0x2}, /* R = A + (X * Y >> 31); wraparound */
129 { "MACW1", 0x3}, /* R = A + (-X * Y >> 31); wraparound */
130 { "MACINTS", 0x4}, /* R = A + (X * Y); saturation */
131 { "MACINTW", 0x5}, /* R = A + (X * Y); wraparound */
132 { "SUM", 0x6}, /* R = A + X + Y; saturation */
133 { "ACC3", 0x6}, /* R = A + X + Y; saturation */
134 { "MACMV", 0x7}, /* R = A, acc += X * Y >> 31 */
135 { "ANDXOR", 0x8}, /* R = (A & X) ^ Y */
136 { "TSTNEG", 0x9}, /* R = (A >= Y) ? X : ~X */
137 { "LIMIT", 0xa}, /* R = (A >= Y) ? X : Y */
138 { "LIMIT1", 0xb}, /* R = (A < Y) ? X : Y */
139 { "LOG", 0xc}, /* R = ... (log?) */
140 { "EXP", 0xd}, /* R = ... (exp?) */
141 { "INTERP", 0xe}, /* R = A + (X * (Y - A) >> 31) */
142 { "SKIP", 0xf}, /* R, CCR, CC_TEST, COUNT */
143 { NULL, 0}
144 };
145
146 #define CHECK_COUNT(tokens, cnt, mincnt, maxcnt) \
147 if (cnt < mincnt) { \
148 error("Too few parameters for '%s' (have %d, min %d)", \
149 tokens[0], cnt - 1, mincnt - 1); \
150 return; \
151 } \
152 if (cnt > maxcnt) { \
153 error("Too many parameters for '%s' (have %d, max %d)", \
154 tokens[0], cnt - 1, maxcnt - 1); \
155 return; \
156 }
157
158 static sym_t symtab[MAX_SYMBOLS];
159 static int nsyms = 0;
160
161 static int lineno = 0, errors = 0;
162 static emu10k1_file fle;
163 static int pc;
164
165 static int ngpr = 0;
166 static char *infile;
167
168 static int
169 getaline(FILE *input, char **tokens)
170 {
171 char *s, *ls;
172 static char *stmt = NULL, *lasts = NULL;
173 static char line[4096];
174 int cnt, tokcnt;
175
176 for (;;) {
177
178 if (stmt == NULL) {
179 if (fgets(line, sizeof (line), input) == NULL)
180 return (-1);
181 lineno++;
182
183 /*
184 * Special handling for .' comments. We use
185 * .' as a keyword to ensure that entire
186 * comment makes it through the C preprocessor
187 * unmolested. We also need to make sure *we*
188 * don't molest it either. The comment will
189 * be exported to any resulting header,
190 * allowing us to pass through copyright and
191 * other information from the source file to
192 * the resulting header.
193 */
194 s = line;
195 s += strspn(s, " \t");
196 if ((strncmp(s, ".'", 2) == 0) &&
197 (strchr(" \t\n", s[2]) != NULL)) {
198 /* chop off trailing new line */
199 (void) strtok(line, "\n");
200 tokens[0] = s;
201 s += 2;
202 s += strspn(s, " \t");
203 if ((s[0] == '\'') &&
204 (s[strlen(s) - 1] == '\'')) {
205 s[strlen(s) - 1] = 0;
206 s++;
207 }
208 tokens[1] = s;
209 tokens[0][2] = 0;
210 tokens[2] = NULL;
211 stmt = NULL;
212 return (strlen(tokens[1]) ? 2 : 1);
213 }
214
215 /* strip off any C++ style comments that CPP missed */
216 if ((s = strstr(line, "//")) != NULL) {
217 *s = '\0';
218 }
219 stmt = strtok_r(line, ";\n", &lasts);
220 } else {
221 stmt = strtok_r(NULL, ";\n", &lasts);
222 }
223
224 if (stmt != NULL) {
225 break;
226 }
227 }
228
229 /*
230 * Ok, we have a statement, lets tokenize it. For
231 * simplicities sake we convert "OPCODE(arg1, arg2)" into
232 * "OPCODE arg1 arg2". This means that commas and parens are
233 * treated as whitespace. This can lead to some really messed
234 * up syntaxes that get assembled properly (such as nested
235 * calls, empty arguments, etc.) Hopefully people don't abuse
236 * this.
237 */
238 ls = NULL;
239 s = strtok_r(stmt, " \t\n(),", &ls);
240 cnt = 0;
241 tokcnt = 0;
242 while (cnt < 10) {
243 tokens[cnt++] = s;
244 if (s != NULL) {
245 tokcnt++;
246 s = strtok_r(NULL, " \t\n(),", &ls);
247 }
248 }
249 return (tokcnt);
250 }
251
252 static void
253 error(char *msg, ...)
254 {
255 va_list va;
256 char msgbuf[1024];
257
258 va_start(va, msg);
259 (void) vsnprintf(msgbuf, sizeof (msgbuf), msg, va);
260 va_end(va);
261
262 (void) fprintf(stderr, "Error: %s on line %d of %s\n", msgbuf, lineno,
263 infile);
264 errors++;
265 }
266
267 static sym_t *
268 find_symbol(char *name)
269 {
270 int i;
271
272 for (i = 0; i < nsyms; i++)
273 if (strcmp(symtab[i].name, name) == 0) {
274 return (&symtab[i]);
275 }
276
277 return (NULL);
278 }
279
280 static void
281 add_symbol(char *name, int type, int arg)
282 {
283 sym_t *sym;
284
285 if (nsyms >= MAX_SYMBOLS) {
286 error("Symbol table full");
287 exit(-1);
288 }
289
290 if (find_symbol(name) != NULL) {
291 error("Dublicate symbol '%s'", name);
292 return;
293 }
294
295 if (strlen(name) >= MAX_NAME) {
296 error("Symbol name '%s' too long", name);
297 exit(-1);
298 }
299
300 sym = &symtab[nsyms++];
301
302 (void) strcpy(sym->name, name);
303 sym->type = type;
304 sym->arg = arg;
305 }
306
307 static void
308 add_init(uint32_t gpr, uint32_t val, const char *name)
309 {
310 int n;
311
312 n = fle.ninit;
313 if (n >= MAX_GPR) {
314 error("Too many GPRs");
315 return;
316 }
317 fle.init[n].gpr = gpr;
318 fle.init[n].value = val;
319 if (name)
320 (void) strlcpy(fle.init[n].name, name,
321 sizeof (fle.init[n].name));
322 fle.ninit++;
323 }
324
325 static void
326 compile_gpr(char **tokens, int cnt)
327 {
328 CHECK_COUNT(tokens, cnt, 2, 2);
329
330 if (ngpr >= MAX_GPR)
331 error("Too many GPR variables");
332
333 add_symbol(tokens[1], SY_GPR, gpr_base + ngpr++);
334 }
335
336 static void
337 compile_rem(char **tokens, int cnt)
338 {
339 int i;
340
341 (void) strlcat(remarks, " *", sizeof (remarks));
342 for (i = 1; i < cnt; i++) {
343 (void) strlcat(remarks, " ", sizeof (remarks));
344 (void) strlcat(remarks, tokens[i], sizeof (remarks));
345 }
346 (void) strlcat(remarks, "\n", sizeof (remarks));
347 }
348
349 static void
350 declare_const(unsigned int gpr, char *value)
351 {
352 int n, intv;
353 float v;
354
355 n = fle.consts.nconst;
356
357 if (n >= MAX_CONST_PARMS) {
358 error("Too many constant parameters");
359 return;
360 }
361
362 if (*value == 'I') {
363 if (sscanf(&value[1], "%g", &v) != 1) {
364 error("Bad floating point value (%s)", value);
365 return;
366 }
367 intv = (int)v;
368 } else if (*value == '0' && value[1] == 'x') {
369 if (sscanf(&value[2], "%x", (unsigned *)&intv) != 1) {
370 error("Bad hexadecimal value (%s)", value);
371 return;
372 }
373 } else {
374 if (sscanf(value, "%g", &v) != 1) {
375 error("Bad floating point value (%s)", value);
376 return;
377 }
378 intv = (int)(v * 0x7fffffff);
379 }
380
381 fle.consts.consts[n].gpr = gpr;
382 fle.consts.consts[n].value = intv;
383 fle.consts.nconst = n + 1;
384
385 add_init(gpr, intv, NULL);
386 }
387
388 static void
389 compile_const(char **tokens, int cnt)
390 {
391 CHECK_COUNT(tokens, cnt, 2, 3);
392 char *name = tokens[1];
393 char *value = tokens[2] ? tokens[2] : tokens[1];
394
395 if (ngpr >= MAX_GPR)
396 error("Too many GPR variables");
397
398 declare_const(ngpr, value);
399
400 add_symbol(name, SY_GPR, gpr_base + ngpr++);
401 }
402
403 static void
404 compile_bool(char **tokens, int cnt)
405 {
406 char *parm, *def;
407 int n, num;
408
409 CHECK_COUNT(tokens, cnt, 3, 3);
410
411 parm = tokens[1];
412 def = tokens[2];
413
414 n = fle.parms.ngpr;
415 if (n >= MAX_GPR_PARMS) {
416 error("Too many GPR parameters");
417 return;
418 }
419
420 if (sscanf(def, "%d", &num) != 1) {
421 error("Bad integer value near '%s'", def);
422 return;
423 }
424
425 (void) strcpy(fle.parms.gpr[n].name, parm);
426 fle.parms.gpr[n].num = ngpr;
427 fle.parms.gpr[n].def = num;
428 fle.parms.ngpr = n + 1;
429
430 add_init(ngpr, num, parm);
431
432 add_symbol(parm, SY_PARM, gpr_base + ngpr++);
433 }
434
435 static void
436 compile_mono(char **tokens, int cnt)
437 {
438 char *parm, *def;
439 int n, num;
440 char tmp[128];
441
442 CHECK_COUNT(tokens, cnt, 3, 3);
443
444 parm = tokens[1];
445 def = tokens[2];
446
447 n = fle.parms.ngpr;
448 if (n >= MAX_GPR_PARMS) {
449 error("Too many GPR parameters");
450 return;
451 }
452
453 if (sscanf(def, "%d", &num) != 1) {
454 error("Bad integer value near '%s'", def);
455 return;
456 }
457
458 (void) strcpy(fle.parms.gpr[n].name, parm);
459 fle.parms.gpr[n].num = ngpr;
460 fle.parms.gpr[n].def = num;
461 fle.parms.ngpr = n + 1;
462
463 add_init(ngpr, num, parm);
464
465 add_symbol(parm, SY_PARM, gpr_base + ngpr++);
466 }
467
468 static void
469 compile_stereo(char **tokens, int cnt)
470 {
471 char *parm, *def;
472 int n, num;
473 char tmp[128];
474
475 CHECK_COUNT(tokens, cnt, 3, 3);
476
477 parm = tokens[1];
478 def = tokens[2];
479
480 n = fle.parms.ngpr;
481 if (n >= MAX_GPR_PARMS) {
482 error("Too many GPR parameters");
483 return;
484 }
485
486 if (sscanf(def, "%d", &num) != 1) {
487 error("Bad integer value near '%s'", def);
488 return;
489 }
490
491 (void) strcpy(fle.parms.gpr[n].name, parm);
492 fle.parms.gpr[n].num = ngpr;
493 fle.parms.gpr[n].def = num | (num << 8);
494 fle.parms.ngpr = n + 1;
495
496 add_init(ngpr, num, parm);
497 add_init(ngpr + 1, num, NULL);
498
499 (void) sprintf(tmp, "%s_L", parm);
500 add_symbol(tmp, SY_PARM, gpr_base + ngpr++);
501 (void) sprintf(tmp, "%s_R", parm);
502 add_symbol(tmp, SY_PARM, gpr_base + ngpr++);
503 }
504
505 static void
506 compile_input(char **tokens, int cnt)
507 {
508 int num;
509
510 CHECK_COUNT(tokens, cnt, 3, 3);
511
512 if (sscanf(tokens[2], "%d", &num) != 1) {
513 error("Bad integer value near '%s'", tokens[2]);
514 return;
515 }
516
517 add_symbol(tokens[1], SY_INPUT, input_base + num);
518 }
519
520 static void
521 compile_send(char **tokens, int cnt)
522 {
523 int num;
524
525 CHECK_COUNT(tokens, cnt, 3, 3);
526
527 if (sscanf(tokens[2], "%d", &num) != 1) {
528 error("Bad integer near '%s'", tokens[2]);
529 return;
530 }
531
532 add_symbol(tokens[1], SY_FX, num);
533 }
534
535 static void
536 compile_output(char **tokens, int cnt)
537 {
538 int num;
539
540 CHECK_COUNT(tokens, cnt, 3, 3);
541
542 if (sscanf(tokens[2], "%d", &num) != 1) {
543 error("Bad integer value near '%s'", tokens[2]);
544 return;
545 }
546
547 add_symbol(tokens[1], SY_OUTPUT, output_base + num);
548 }
549
550 static void
551 compile_directive(char **tokens, int cnt)
552 {
553 if (strcmp(tokens[0], ".gpr") == 0) {
554 compile_gpr(tokens, cnt);
555 return;
556 }
557
558 if (strcmp(tokens[0], ".const") == 0) {
559 compile_const(tokens, cnt);
560 return;
561 }
562
563 if (strcmp(tokens[0], ".stereo") == 0) {
564 compile_stereo(tokens, cnt);
565 return;
566 }
567
568 if (strcmp(tokens[0], ".mono") == 0) {
569 compile_mono(tokens, cnt);
570 return;
571 }
572
573 if (strcmp(tokens[0], ".bool") == 0) {
574 compile_bool(tokens, cnt);
575 return;
576 }
577
578 if (strcmp(tokens[0], ".input") == 0) {
579 compile_input(tokens, cnt);
580 return;
581 }
582
583 if (strcmp(tokens[0], ".send") == 0) {
584 compile_send(tokens, cnt);
585 return;
586 }
587
588 if (strcmp(tokens[0], ".output") == 0) {
589 compile_output(tokens, cnt);
590 return;
591 }
592
593 if (strcmp(tokens[0], ".rem") == 0) {
594 compile_rem(tokens, cnt);
595 return;
596 }
597 if (strcmp(tokens[0], ".'") == 0) {
598 compile_rem(tokens, cnt);
599 return;
600 }
601
602 error("Unknown directive '%s'", tokens[0]);
603 }
604
605 static void
606 compile_asm(char **tokens, int cnt)
607 {
608 char *parms[4];
609 sym_t *symbols[4];
610 #define EMIT(o, r, a, x, y) \
611 fle.code[pc*2] = ((x) << 10) | (y); \
612 fle.code[pc*2+1] = ((o) << 20) | ((r) << 10) | a; pc++
613 #define EMIT_AUDIGY(o, r, a, x, y) \
614 fle.code[pc*2] = ((x) << 12) | (y); \
615 fle.code[pc*2+1] = ((o) << 24) | ((r) << 12) | a; pc++
616
617 int i, n = 0, nerr = 0;
618 int ninputs = 0;
619
620 CHECK_COUNT(tokens, cnt, 5, 5);
621
622 for (i = 0; i < 4; i++) {
623 if ((symbols[i] = find_symbol(tokens[i+1])) == NULL) {
624 (void) fprintf(stderr, "%s\n", tokens[i+1]);
625 nerr++;
626 error("Undefined symbol '%s'", tokens[i + 1]);
627 continue;
628 }
629
630 if (symbols[i]->type == SY_INPUT)
631 ninputs++;
632
633 if (symbols[i]->type == SY_ACCUM && i != 1)
634 error("Bad usage of 'accum' operand.");
635 }
636
637 if (nerr > 0)
638 return;
639
640 if (ninputs > 1) {
641 error("Attempt to access more than one input "
642 "GPRs by the same instruction");
643 }
644
645 for (i = 0; instructions[i].name != NULL; i++)
646 if (strcasecmp(tokens[0], instructions[i].name) == 0) {
647
648 if (is_audigy) {
649 EMIT_AUDIGY(instructions[i].opcode,
650 symbols[0]->arg,
651 symbols[1]->arg,
652 symbols[2]->arg,
653 symbols[3]->arg);
654 } else {
655 EMIT(instructions[i].opcode,
656 symbols[0]->arg,
657 symbols[1]->arg,
658 symbols[2]->arg,
659 symbols[3]->arg);
660 }
661
662 return;
663 }
664
665 error("Unrecognized instruction '%s'", tokens[0]);
666 }
667
668 static void
669 init_compiler(void)
670 {
671 char tmp[100];
672 int i;
673
674 (void) memset(&fle, 0, sizeof (fle));
675 /*
676 * Initialize few predefined GPR parameter registers. These
677 * definitions have to be in sync with the GPR_* macros in
678 * <sblive.h>.
679 */
680
681 /*
682 * Make sure we start at gpr id 2 for now; 0 and 1 may be used
683 * differently.
684 */
685 add_symbol("NULL", SY_DUMMY, gpr_base + ngpr++);
686 add_symbol("NULL_", SY_DUMMY, gpr_base + ngpr++);
687
688 pc = 0;
689
690 if (is_audigy) {
691 /* Initialize the code array with NOPs (AUDIGY) */
692 for (i = 0; i < 512; i++) {
693 fle.code[i * 2 + 0] = (0xc0 << 12) | 0xc0;
694 fle.code[i * 2 + 1] =
695 (0x06 << 24) | (0xc0 << 12) | 0xc0;
696 }
697
698 for (i = 0; i < 32; i++) {
699 (void) sprintf(tmp, "fx%d", i);
700 add_symbol(tmp, SY_FX, i);
701 }
702 } else {
703 /* Initialize the code array with NOPs (LIVE) */
704 for (i = 0; i < 512; i++) {
705 fle.code[i * 2 + 0] = 0x10040;
706 fle.code[i * 2 + 1] = 0x610040;
707 }
708
709 for (i = 0; i < 16; i++) {
710 (void) sprintf(tmp, "fx%d", i);
711 add_symbol(tmp, SY_FX, i);
712 }
713 }
714
715 /*
716 * Constants
717 */
718
719 if (is_audigy) {
720 /* Audigy symbols */
721 add_symbol("0", SY_CONST, 0x0c0);
722 add_symbol("1", SY_CONST, 0x0c1);
723 add_symbol("2", SY_CONST, 0x0c2);
724 add_symbol("3", SY_CONST, 0x0c3);
725 add_symbol("4", SY_CONST, 0x0c4);
726 add_symbol("8", SY_CONST, 0x0c5);
727 add_symbol("16", SY_CONST, 0x0c6);
728 add_symbol("32", SY_CONST, 0x0c7);
729 add_symbol("256", SY_CONST, 0x0c8);
730 add_symbol("65536", SY_CONST, 0x0c9);
731
732 add_symbol("2048", SY_CONST, 0x0ca);
733 add_symbol("0x800", SY_CONST, 0x0ca);
734
735 add_symbol("2^28", SY_CONST, 0x0cb);
736 add_symbol("0x10000000", SY_CONST, 0x0cb);
737
738 add_symbol("2^29", SY_CONST, 0x0cc);
739 add_symbol("0x20000000", SY_CONST, 0x0cc);
740
741 add_symbol("2^30", SY_CONST, 0x0cd);
742 add_symbol("0x40000000", SY_CONST, 0x0cd);
743
744 add_symbol("2^31", SY_CONST, 0x0ce);
745 add_symbol("0x80000000", SY_CONST, 0x0ce);
746
747 add_symbol("0x7fffffff", SY_CONST, 0x0cf);
748
749 add_symbol("0xffffffff", SY_CONST, 0x0d0);
750 add_symbol("-1", SY_CONST, 0x0d0);
751
752 add_symbol("0xfffffffe", SY_CONST, 0x0d1);
753 add_symbol("-2", SY_CONST, 0x0d1);
754
755 add_symbol("0xc0000000", SY_CONST, 0x0d2);
756
757 add_symbol("0x4f1bbcdc", SY_CONST, 0x0d3);
758
759 add_symbol("0x5a7ef9db", SY_CONST, 0x0d4);
760
761 add_symbol("0x100000", SY_CONST, 0x0d5);
762 add_symbol("accum", SY_ACCUM, 0x0d6);
763 add_symbol("CCR", SY_CONST, 0x0d7);
764
765 add_symbol("noise_L", SY_CONST, 0x0d8);
766 add_symbol("noise_R", SY_CONST, 0x0d9);
767 add_symbol("IRQREQ", SY_CONST, 0x0da);
768 } else {
769 /* SB Live symbols */
770 add_symbol("0", SY_CONST, 0x040);
771 add_symbol("1", SY_CONST, 0x041);
772 add_symbol("2", SY_CONST, 0x042);
773 add_symbol("3", SY_CONST, 0x043);
774 add_symbol("4", SY_CONST, 0x044);
775 add_symbol("8", SY_CONST, 0x045);
776 add_symbol("16", SY_CONST, 0x046);
777 add_symbol("32", SY_CONST, 0x047);
778 add_symbol("256", SY_CONST, 0x048);
779 add_symbol("65536", SY_CONST, 0x049);
780
781 add_symbol("2^23", SY_CONST, 0x04a);
782 add_symbol("0x80000", SY_CONST, 0x04a);
783
784 add_symbol("2^28", SY_CONST, 0x04b);
785 add_symbol("0x10000000", SY_CONST, 0x04b);
786
787 add_symbol("2^29", SY_CONST, 0x04c);
788 add_symbol("0x20000000", SY_CONST, 0x04c);
789
790 add_symbol("2^30", SY_CONST, 0x04d);
791 add_symbol("0x40000000", SY_CONST, 0x04d);
792
793 add_symbol("2^31", SY_CONST, 0x04e);
794 add_symbol("0x80000000", SY_CONST, 0x04e);
795
796 add_symbol("0x7fffffff", SY_CONST, 0x04f);
797
798 add_symbol("0xffffffff", SY_CONST, 0x050);
799 add_symbol("-1", SY_CONST, 0x050);
800
801 add_symbol("0xfffffffe", SY_CONST, 0x051);
802 add_symbol("-2", SY_CONST, 0x051);
803
804 add_symbol("accum", SY_ACCUM, 0x056);
805 add_symbol("CCR", SY_CONST, 0x057);
806
807 add_symbol("noise_L", SY_CONST, 0x058);
808 add_symbol("noise_R", SY_CONST, 0x059);
809 add_symbol("IRQREQ", SY_CONST, 0x05a);
810 }
811 }
812
813 static void
814 produce_map(char *name)
815 {
816 char fname[1024];
817 int i;
818 FILE *f;
819
820 if ((f = fopen(name, "w")) == NULL) {
821 perror(name);
822 return;
823 }
824
825 (void) fprintf(f, "%d\n", pc);
826
827 for (i = 0; i < nsyms; i++) {
828 (void) fprintf(f, "%04x %x %s\n",
829 symtab[i].arg, symtab[i].type, symtab[i].name);
830 }
831
832 (void) fclose(f);
833 if (verbose) {
834 (void) fprintf(stderr,
835 "No errors detected - Map written to %s\n", name);
836 }
837 }
838
839 static void
840 produce_output(char *fname)
841 {
842 int fd;
843
844 if ((fd = creat(fname, 0644)) == -1) {
845 perror(fname);
846 exit(-1);
847 }
848
849 if (write(fd, &fle, sizeof (fle)) != sizeof (fle)) {
850 perror(fname);
851 exit(-1);
852 }
853
854 if (verbose) {
855 (void) fprintf(stderr,
856 "No errors detected - Binary written to %s\n",
857 fname);
858 }
859
860 (void) close(fd);
861 }
862
863 static void
864 produce_header(char *fname, char *prefix)
865 {
866 FILE *f;
867 char *s;
868 char sname[MAXPATHLEN + 1];
869 char dname[MAXPATHLEN + 1];
870 int i;
871 clock_t now;
872 char when[128];
873
874 /* get basename */
875 if (prefix == NULL) {
876 s = strrchr(fname, '/');
877 s = (s == NULL) ? fname : s + 1;
878 } else {
879 s = prefix;
880 }
881 (void) strlcpy(sname, s, sizeof (sname));
882
883 /* strip off any extension */
884 s = strchr(sname, '.');
885 if (s != NULL) {
886 *s = 0;
887 }
888 if ((f = fopen(fname, "w")) == NULL) {
889 perror(fname);
890 return;
891 }
892
893 if (remarks[0] != 0) {
894 (void) fprintf(f, "/*\n%s */\n", remarks);
895 }
896 now = time(NULL);
897 strftime(when, sizeof (when), "%c", localtime(&now));
898 (void) fprintf(f, banner, progname, when);
899
900 (void) strlcpy(dname, prefix ? prefix : sname, sizeof (dname));
901 for (i = 0; dname[i]; i++) {
902 dname[i] = toupper(dname[i]);
903 if (!isalnum(dname[i])) {
904 dname[i] = '_';
905 }
906 }
907
908 for (i = 0; i < fle.parms.ngpr; i++) {
909 (void) fprintf(f, "#define\t%s_%s\t\t%d\n",
910 dname, fle.parms.gpr[i].name, fle.parms.gpr[i].num);
911 }
912
913 (void) fprintf(f, "\n");
914
915 if (parms_only)
916 goto done;
917
918 (void) fprintf(f, "uint32_t %s_code[] = {\n", sname);
919
920 for (i = 0; i < pc * 2; i++) {
921 if (i == 0) {
922 (void) fprintf(f, "\t0x%08xU", fle.code[i]);
923 } else if ((i % 4) == 0) {
924 (void) fprintf(f, ",\n\t0x%08xU", fle.code[i]);
925 } else {
926 (void) fprintf(f, ", 0x%08xU", fle.code[i]);
927 }
928 }
929 (void) fprintf(f, "\n};\n");
930
931 (void) fprintf(f, "uint32_t %s_ninit = %d;\n", sname, fle.ninit);
932 (void) fprintf(f, "uint32_t %s_init[] = {\n", sname);
933
934 for (i = 0; i < fle.ninit; i++) {
935 if (fle.init[i].name[0]) {
936 (void) fprintf(f, "\t%u, 0x%x%s,\t/* %s */\n",
937 fle.init[i].gpr, fle.init[i].value,
938 fle.init[i].value >= 0x80000000U ? "U" : "",
939 fle.init[i].name);
940 } else {
941 (void) fprintf(f, "\t%u, 0x%x%s,\n",
942 fle.init[i].gpr, fle.init[i].value,
943 fle.init[i].value >= 0x80000000U ? "U" : "");
944 }
945 }
946 (void) fprintf(f, "};\n");
947
948 done:
949 (void) fclose(f);
950 if (verbose) {
951 (void) fprintf(stderr,
952 "No errors detected - Header written to %s\n",
953 fname);
954 }
955 }
956
957 int
958 main(int argc, char *argv[])
959 {
960 char line[4096], *p, *s, *outfile;
961 char *iline;
962 int i;
963 FILE *input;
964 char *tokens[10];
965 int tokcnt;
966 char *mapfile = NULL;
967 char *header = NULL;
968 char *prefix = NULL;
969
970 outfile = NULL;
971 infile = NULL;
972 input = NULL;
973 progname = argv[0];
974
975 while ((i = getopt(argc, argv, "m:h:o:i:P:021v")) != EOF) {
976 switch (i) {
977 case 'o':
978 outfile = optarg;
979 break;
980 case 'i':
981 infile = strdup(optarg);
982 break;
983 case 'm':
984 mapfile = optarg;
985 break;
986 case 'P':
987 prefix = optarg;
988 break;
989 case 'h':
990 header = optarg;
991 break;
992 case '0':
993 parms_only = 1;
994 break;
995 case '2':
996 is_audigy = 1;
997 break;
998 case '1':
999 is_audigy = 0;
1000 break;
1001 case 'v':
1002 verbose++;
1003 break;
1004 default:
1005 (void) fprintf(stderr,
1006 "usage: %s [-m <map>] [-h <header>] "
1007 "[-o <binary>] [-i <source>] [-2|-1]",
1008 progname);
1009 exit(-1);
1010 break;
1011 }
1012 }
1013
1014 if ((outfile == NULL) && (mapfile == NULL) && (header == NULL)) {
1015 outfile = "dsp.bin";
1016 }
1017
1018 if (infile) {
1019 input = fopen(infile, "r");
1020 if (input == NULL) {
1021 perror(infile);
1022 exit(-1);
1023 }
1024 } else {
1025 infile = strdup("<stdin>");
1026 input = stdin;
1027 }
1028
1029 if (is_audigy) {
1030 gpr_base = 0x400;
1031 input_base = 0x40;
1032 output_base = 0x60;
1033 if (verbose)
1034 (void) fprintf(stderr, "Compiling for SB Audigy\n");
1035 } else {
1036 if (verbose)
1037 (void) fprintf(stderr, "Compiling for SB Live\n");
1038 }
1039
1040 init_compiler();
1041
1042 while ((tokcnt = getaline(input, tokens)) != -1) {
1043 /* skip empty lines */
1044 if (tokcnt == 0) {
1045 continue;
1046 }
1047
1048 if (strcmp(tokens[0], "#") == 0) {
1049 int num;
1050 if ((tokcnt >= 3) &&
1051 (sscanf(tokens[1], "%d", &num) == 1)) {
1052 lineno = num;
1053 free(infile);
1054 infile = strdup(tokens[2]);
1055 /* we don't want to count the # directive */
1056 lineno--;
1057 }
1058
1059 /* unknown # directive? muddle on... */
1060 continue;
1061 }
1062 if (*tokens[0] == '.') {
1063 compile_directive(tokens, tokcnt);
1064 } else {
1065 compile_asm(tokens, tokcnt);
1066 }
1067 }
1068
1069 if (lineno < 1) {
1070 error("Empty input");
1071 }
1072
1073 if (errors == 0) {
1074 if (verbose) {
1075 (void) fprintf(stderr,
1076 "%d instructions out of 512 assembled\n", pc);
1077 }
1078
1079 if (outfile)
1080 produce_output(outfile);
1081 if (mapfile)
1082 produce_map(mapfile);
1083 if (header)
1084 produce_header(header, prefix);
1085 }
1086
1087 if (errors > 0) {
1088 (void) fprintf(stderr, "%d errors - compile failed\n", errors);
1089 exit(-1);
1090 }
1091
1092 return (0);
1093 }