1 /*-------------------------------------------------------------------------
3 device.c - Accomodates subtle variations in PIC16 devices
5 Written By - Scott Dattalo scott@dattalo.com
6 Ported to PIC16 By - Martin Dubuc m.dubuc@rogers.com
8 This program is free software; you can redistribute it and/or modify it
9 under the terms of the GNU General Public License as published by the
10 Free Software Foundation; either version 2, or (at your option) any
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21 -------------------------------------------------------------------------*/
25 VR - Began writing code to make PIC16 C source files independent from
26 the header file (created by the inc2h.pl)
28 - adding maximum RAM memory into PIC_Device structure
34 #include "common.h" // Include everything in the SDCC src directory
43 static PIC16_device Pics16[] = {
45 // {"p18f242", "18f242", "pic18f242", "f242"}, // aliases
49 // { 0xf80, 0xfff }, /* PIC18F242 range of SFR's */
51 // /* PIC18F242 configuration words */
54 // { { 0x27, 0, 0xff } /* 1 */ , { 0x0f, 0, 0xff } /* 2 */ , { 0x0f, 0, 0xff } /* 3 */ ,
55 // { -1, 0, 0xff } /* 4 */ , { 0x01, 0, 0xff } /* 5 */ , { 0x85, 0, 0xff } /* 6 */ ,
56 // { -1, 0, 0xff } /* 7 */ , { 0x03, 0, 0xff } /* 8 */ , { 0xc0, 0, 0xff } /* 9 */ ,
57 // { 0x03, 0, 0xff } /* a */ , { 0xe0, 0, 0xff } /* b */ , { 0x03, 0, 0xff } /* c */ ,
58 // { 0x40, 0, 0xff } /* d */ }
63 {"p18f242", "18f242", "pic18f242", "f242"},
68 { 0xf80, 0xfff }, /* PIC18F242 range of SFR's */
70 /* PIC18F242 configuration words */
73 { { 0x27, 0, 0xff } /* 1 */ , { 0x0f, 0, 0xff } /* 2 */ , { 0x0f, 0, 0xff } /* 3 */ ,
74 { -1, 0, 0xff } /* 4 */ , { 0x01, 0, 0xff } /* 5 */ , { 0x85, 0, 0xff } /* 6 */ ,
75 { -1, 0, 0xff } /* 7 */ , { 0x03, 0, 0xff } /* 8 */ , { 0xc0, 0, 0xff } /* 9 */ ,
76 { 0x03, 0, 0xff } /* a */ , { 0xe0, 0, 0xff } /* b */ , { 0x03, 0, 0xff } /* c */ ,
77 { 0x40, 0, 0xff } /* d */ }
81 {"p18f248", "18f248", "pic18f248", "f248"},
86 { 0xf00, 0xfff }, /* PIC18F248 range of SFR's */
88 /* PIC18F248 configuration words */
91 { { 0x27, 0, 0xff } /* 1 */ , { 0x0f, 0, 0xff } /* 2 */ , { 0x0f, 0, 0xff } /* 3 */ ,
92 { -1, 0, 0xff } /* 4 */ , { -1, 0, 0xff } /* 5 */ , { 0x85, 0, 0xff } /* 6 */ ,
93 { -1, 0, 0xff } /* 7 */ , { 0x03, 0, 0xff } /* 8 */ , { 0xc0, 0, 0xff } /* 9 */ ,
94 { 0x03, 0, 0xff } /* a */ , { 0xe0, 0, 0xff } /* b */ , { 0x03, 0, 0xff } /* c */ ,
95 { 0x40, 0, 0xff } /* d */ }
99 {"p18f252", "18f252", "pic18f252", "f252"},
104 { 0xf80, 0xfff }, /* PIC18F252 range of SFR's */
106 /* PIC18F252 configuration words */
109 { { 0x27, 0, 0xff } /* 1 */ , { 0x0f, 0, 0xff } /* 2 */ , { 0x0f, 0, 0xff } /* 3 */ ,
110 { -1, 0, 0xff } /* 4 */ , { 0x01, 0, 0xff } /* 5 */ , { 0x85, 0, 0xff } /* 6 */ ,
111 { -1, 0, 0xff } /* 7 */ , { 0x0f, 0, 0xff } /* 8 */ , { 0xc0, 0, 0xff } /* 9 */ ,
112 { 0x0f, 0, 0xff } /* a */ , { 0xe0, 0, 0xff } /* b */ , { 0x0f, 0, 0xff } /* c */ ,
113 { 0x40, 0, 0xff } /* d */ }
117 {"p18f258", "18f258", "pic18f258", "f258"},
122 { 0xf00, 0xfff }, /* PIC18F258 range of SFR's */
124 /* PIC18F258 configuration words */
127 { { 0x27, 0, 0xff } /* 1 */ , { 0x0f, 0, 0xff } /* 2 */ , { 0x0f, 0, 0xff } /* 3 */ ,
128 { -1, 0, 0xff } /* 4 */ , { -1, 0, 0xff } /* 5 */ , { 0x85, 0, 0xff } /* 6 */ ,
129 { -1, 0, 0xff } /* 7 */ , { 0x0f, 0, 0xff } /* 8 */ , { 0xc0, 0, 0xff } /* 9 */ ,
130 { 0x0f, 0, 0xff } /* a */ , { 0xe0, 0, 0xff } /* b */ , { 0x0f, 0, 0xff } /* c */ ,
131 { 0x40, 0, 0xff } /* d */ }
135 {"p18f442", "18f442", "pic18f442", "f442"},
140 { 0xf80, 0xfff }, /* PIC18F442 range of SFR's */
142 /* PIC18F442 configuration words */
145 { { 0x27, 0, 0xff } /* 1 */ , { 0x0f, 0, 0xff } /* 2 */ , { 0x0f, 0, 0xff } /* 3 */ ,
146 { -1, 0, 0xff } /* 4 */ , { 0x01, 0, 0xff } /* 5 */ , { 0x85, 0, 0xff } /* 6 */ ,
147 { -1, 0, 0xff } /* 7 */ , { 0x03, 0, 0xff } /* 8 */ , { 0xc0, 0, 0xff } /* 9 */ ,
148 { 0x03, 0, 0xff } /* a */ , { 0xe0, 0, 0xff } /* b */ , { 0x03, 0, 0xff } /* c */ ,
149 { 0x40, 0, 0xff } /* d */ }
153 {"p18f448", "18f448", "pic18f448", "f448"},
158 { 0xf00, 0xfff }, /* PIC18F448 range of SFR's */
160 /* PIC18F448 configuration words */
163 { { 0x27, 0, 0xff } /* 1 */ , { 0x0f, 0, 0xff } /* 2 */ , { 0x0f, 0, 0xff } /* 3 */ ,
164 { -1, 0, 0xff } /* 4 */ , { -1, 0, 0xff } /* 5 */ , { 0x85, 0, 0xff } /* 6 */ ,
165 { -1, 0, 0xff } /* 7 */ , { 0x03, 0, 0xff } /* 8 */ , { 0xc0, 0, 0xff } /* 9 */ ,
166 { 0x03, 0, 0xff } /* a */ , { 0xe0, 0, 0xff } /* b */ , { 0x03, 0, 0xff } /* c */ ,
167 { 0x40, 0, 0xff } /* d */ }
171 {"p18f452", "18f452", "pic18f452", "f452"},
176 { 0xf80, 0xfff }, /* PIC18F452 range of SFR's */
178 /* PIC18F452 configuration words */
181 { { 0x27, 0, 0xff } /* 1 */ , { 0x0f, 0, 0xff } /* 2 */ , { 0x0f, 0, 0xff } /* 3 */ ,
182 { -1, 0, 0xff } /* 4 */ , { 0x01, 0, 0xff } /* 5 */ , { 0x85, 0, 0xff } /* 6 */ ,
183 { -1, 0, 0xff } /* 7 */ , { 0x0f, 0, 0xff } /* 8 */ , { 0xc0, 0, 0xff } /* 9 */ ,
184 { 0x0f, 0, 0xff } /* a */ , { 0xe0, 0, 0xff } /* b */ , { 0x0f, 0, 0xff } /* c */ ,
185 { 0x40, 0, 0xff } /* d */ }
189 {"p18f458", "18f458", "pic18f458", "f458"},
194 { 0xf00, 0xfff }, /* PIC18F458 range of SFR's */
196 /* PIC18F458 configuration words */
199 { { 0x27, 0, 0xff } /* 1 */ , { 0x0f, 0, 0xff } /* 2 */ , { 0x0f, 0, 0xff } /* 3 */ ,
200 { -1, 0, 0xff } /* 4 */ , { -1, 0, 0xff } /* 5 */ , { 0x85, 0, 0xff } /* 6 */ ,
201 { -1, 0, 0xff } /* 7 */ , { 0x0f, 0, 0xff } /* 8 */ , { 0xc0, 0, 0xff } /* 9 */ ,
202 { 0x0f, 0, 0xff } /* a */ , { 0xe0, 0, 0xff } /* b */ , { 0x0f, 0, 0xff } /* c */ ,
203 { 0x40, 0, 0xff } /* d */ }
207 {"p18f1220", "18f1220", "pic18f1220", "f1220"},
212 { 0xf80, 0xfff }, /* PIC18F1220 range of SFR's */
214 /* PIC18F1220 configuration words */
217 { { 0xcf, 0, 0xff } /* 1 */ , { 0x0f, 0, 0xff } /* 2 */ , { 0x1f, 0, 0xff } /* 3 */ ,
218 { -1, 0, 0xff } /* 4 */ , { 0x80, 0, 0xff } /* 5 */ , { 0x85, 0, 0xff } /* 6 */ ,
219 { -1, 0, 0xff } /* 7 */ , { 0x03, 0, 0xff } /* 8 */ , { 0xc0, 0, 0xff } /* 9 */ ,
220 { 0x03, 0, 0xff } /* a */ , { 0xe0, 0, 0xff } /* b */ , { 0x03, 0, 0xff } /* c */ ,
221 { 0x40, 0, 0xff } /* d */ }
225 {"p18f6520", "18f6520", "pic18f6520", "f6520"},
230 { 0xf6b, 0xfff }, /* PIC18F6520 range of SFR's */
232 /* PIC18F6520 configuration words */
235 { { 0x27, 0, 0xff } /* 1 */ , { 0x0f, 0, 0xff } /* 2 */ , { 0x0f, 0, 0xff } /* 3 */ ,
236 { 0x80, 0, 0xff } /* 4 */ , { 0x88, 0, 0xff } /* 5 */ , { -1, 0, 0xff } /* 6 */ ,
237 { -1, 0, 0xff } /* 7 */ , { 0x0f, 0, 0xff } /* 8 */ , { 0xc0, 0, 0xff } /* 9 */ ,
238 { 0x0f, 0, 0xff } /* a */ , { 0xe0, 0, 0xff } /* b */ , { 0x0f, 0, 0xff } /* c */ ,
239 { 0x40, 0, 0xff } /* d */ }
243 {"p18f6620", "18f6620", "pic18f6620", "f6620"},
248 { 0xf6b, 0xfff }, /* PIC18F6620 range of SFR's */
250 /* PIC18F6620 configuration words */
253 { { 0x27, 0, 0xff } /* 1 */ , { 0x0f, 0, 0xff } /* 2 */ , { 0x0f, 0, 0xff } /* 3 */ ,
254 { -1, 0, 0xff } /* 4 */ , { 0x01, 0, 0xff } /* 5 */ , { 0x85, 0, 0xff } /* 6 */ ,
255 { -1, 0, 0xff } /* 7 */ , { 0x0f, 0, 0xff } /* 8 */ , { 0xc0, 0, 0xff } /* 9 */ ,
256 { 0x0f, 0, 0xff } /* a */ , { 0xe0, 0, 0xff } /* b */ , { 0x0f, 0, 0xff } /* c */ ,
257 { 0x40, 0, 0xff } /* d */ }
261 {"p18f6680", "18f6680", "pic18f6680", "f6680"},
266 { 0xf00, 0xfff }, /* PIC18F6680 range of SFR's */
268 /* PIC18F6680 configuration words */
271 { { 0x2f, 0, 0xff } /* 1 */ , { 0x0f, 0, 0xff } /* 2 */ , { 0x1f, 0, 0xff } /* 3 */ ,
272 { -1, 0, 0xff } /* 4 */ , { 0x83, 0, 0xff } /* 5 */ , { 0x85, 0, 0xff } /* 6 */ ,
273 { -1, 0, 0xff } /* 7 */ , { 0x0f, 0, 0xff } /* 8 */ , { 0xc0, 0, 0xff } /* 9 */ ,
274 { 0x0f, 0, 0xff } /* a */ , { 0xe0, 0, 0xff } /* b */ , { 0x0f, 0, 0xff } /* c */ ,
275 { 0x40, 0, 0xff } /* d */ }
279 {"p18f6720", "18f6720", "pic18f6720", "f6720"},
284 { 0xf6b, 0xfff }, /* PIC18F6720 range of SFR's */
286 /* PIC18F6720 configuration words */
289 { { 0x27, 0, 0xff } /* 1 */ , { 0x0f, 0, 0xff } /* 2 */ , { 0x0f, 0, 0xff } /* 3 */ ,
290 { -1, 0, 0xff } /* 4 */ , { 0x01, 0, 0xff } /* 5 */ , { 0x85, 0, 0xff } /* 6 */ ,
291 { -1, 0, 0xff } /* 7 */ , { 0xff, 0, 0xff } /* 8 */ , { 0xc0, 0, 0xff } /* 9 */ ,
292 { 0xff, 0, 0xff } /* a */ , { 0xe0, 0, 0xff } /* b */ , { 0xff, 0, 0xff } /* c */ ,
293 { 0x40, 0, 0xff } /* d */ }
297 {"p18f8520", "18f8520", "pic18f8520", "f8520"},
302 { 0xf6b, 0xfff }, /* PIC18F8520 range of SFR's */
304 /* PIC18F8520 configuration words */
307 { { 0x27, 0, 0xff } /* 1 */ , { 0x0f, 0, 0xff } /* 2 */ , { 0x0f, 0, 0xff } /* 3 */ ,
308 { 0x83, 0, 0xff } /* 4 */ , { 0x88, 0, 0xff } /* 5 */ , { -1, 0, 0xff } /* 6 */ ,
309 { -1, 0, 0xff } /* 7 */ , { 0x0f, 0, 0xff } /* 8 */ , { 0xc0, 0, 0xff } /* 9 */ ,
310 { 0x0f, 0, 0xff } /* a */ , { 0xe0, 0, 0xff } /* b */ , { 0x0f, 0, 0xff } /* c */ ,
311 { 0x40, 0, 0xff } /* d */ }
315 {"p18f8620", "18f8620", "pic18f8620", "f8620"},
320 { 0xf6b, 0xfff }, /* PIC18F8620 range of SFR's */
322 /* PIC18F8620 configuration words */
325 { { 0x27, 0, 0xff } /* 1 */ , { 0x0f, 0, 0xff } /* 2 */ , { 0x0f, 0, 0xff } /* 3 */ ,
326 { 0x83, 0, 0xff } /* 4 */ , { 0x01, 0, 0xff } /* 5 */ , { 0x85, 0, 0xff } /* 6 */ ,
327 { -1, 0, 0xff } /* 7 */ , { 0x0f, 0, 0xff } /* 8 */ , { 0xc0, 0, 0xff } /* 9 */ ,
328 { 0x0f, 0, 0xff } /* a */ , { 0xe0, 0, 0xff } /* b */ , { 0x0f, 0, 0xff } /* c */ ,
329 { 0x40, 0, 0xff } /* d */ }
333 {"p18f8680", "18f8680", "pic18f8680", "f8680"},
338 { 0xf00, 0xfff }, /* PIC18F8680 range of SFR's */
340 /* PIC18F8680 configuration words */
343 { { 0x2f, 0, 0xff } /* 1 */ , { 0x0f, 0, 0xff } /* 2 */ , { 0x1f, 0, 0xff } /* 3 */ ,
344 { 0x83, 0, 0xff } /* 4 */ , { 0x83, 0, 0xff } /* 5 */ , { 0x85, 0, 0xff } /* 6 */ ,
345 { -1, 0, 0xff } /* 7 */ , { 0x0f, 0, 0xff } /* 8 */ , { 0xc0, 0, 0xff } /* 9 */ ,
346 { 0x0f, 0, 0xff } /* a */ , { 0xe0, 0, 0xff } /* b */ , { 0x0f, 0, 0xff } /* c */ ,
347 { 0x40, 0, 0xff } /* d */ }
351 {"p18f8720", "18f8720", "pic18f8720", "f8720"},
356 { 0xf6b, 0xfff }, /* PIC18F8720 range of SFR's */
358 /* PIC18F8720 configuration words */
361 { { 0x27, 0, 0xff } /* 1 */ , { 0x0f, 0, 0xff } /* 2 */ , { 0x0f, 0, 0xff } /* 3 */ ,
362 { 0x83, 0, 0xff } /* 4 */ , { 0x01, 0, 0xff } /* 5 */ , { 0x85, 0, 0xff } /* 6 */ ,
363 { -1, 0, 0xff } /* 7 */ , { 0xff, 0, 0xff } /* 8 */ , { 0xc0, 0, 0xff } /* 9 */ ,
364 { 0xff, 0, 0xff } /* a */ , { 0xe0, 0, 0xff } /* b */ , { 0xff, 0, 0xff } /* c */ ,
365 { 0x40, 0, 0xff } /* d */ }
371 static int num_of_supported_PICS = sizeof(Pics16)/sizeof(PIC16_device);
373 #define DEFAULT_PIC "452"
375 PIC16_device *pic16=NULL;
376 unsigned int stackPos = 0;
378 extern regs* newReg(short type, short pc_type, int rIdx, char *name, int size, int alias, operand *refop);
380 void pic16_setMaxRAM(int size)
382 pic16->maxRAMaddress = size;
383 stackPos = pic16->RAMsize-1;
385 if (pic16->maxRAMaddress < 0) {
386 fprintf(stderr, "invalid \"#pragma maxram 0x%x\" setting\n",
387 pic16->maxRAMaddress);
392 extern char *iComments2;
394 void pic16_dump_equates(FILE *of, set *equs)
398 r = setFirstItem(equs);
401 fprintf(of, "%s", iComments2);
402 fprintf(of, ";\tEquates to used internal registers\n");
403 fprintf(of, "%s", iComments2);
405 for(; r; r = setNextItem(equs)) {
406 fprintf(of, "%s\tequ\t0x%02x\n", r->name, r->address);
411 int regCompare(const void *a, const void *b)
413 const regs *const *i = a;
414 const regs *const *j = b;
416 /* sort primarily by the address */
417 if( (*i)->address > (*j)->address)return 1;
418 if( (*i)->address < (*j)->address)return -1;
420 /* and secondarily by size */
421 /* register size sorting may have strange results use with care */
422 if( (*i)->size > (*j)->size)return 1;
423 if( (*i)->size < (*j)->size)return -1;
425 /* finally if in same address and same size sort by name */
426 return (strcmp( (*i)->name, (*j)->name));
431 int symCompare(const void *a, const void *b)
433 const symbol *const *i = a;
434 const symbol *const *j = b;
436 /* sort primarily by the address */
437 if( SPEC_ADDR((*i)->etype) > SPEC_ADDR((*j)->etype))return 1;
438 if( SPEC_ADDR((*i)->etype) < SPEC_ADDR((*j)->etype))return -1;
440 /* and secondarily by size */
441 /* register size sorting may have strange results use with care */
442 if( getSize((*i)->etype) > getSize((*j)->etype))return 1;
443 if( getSize((*i)->etype) < getSize((*j)->etype))return -1;
445 /* finally if in same address and same size sort by name */
446 return (strcmp( (*i)->rname, (*j)->rname));
451 void pic16_dump_usection(FILE *of, set *section, int fix)
453 static int abs_usection_no=0;
459 /* put all symbols in an array */
460 rlist = Safe_calloc(elementsInSet(section), sizeof(regs *));
462 for(rprev = setFirstItem(section); rprev; rprev = setNextItem(section)) {
463 rlist[i] = rprev; i++;
467 if(rlist)free(rlist);
471 /* sort symbols according to their address */
472 qsort(rlist, i /*elementsInSet(section)*/, sizeof(regs *), regCompare);
475 fprintf(of, "\n\n\tudata\n");
476 for(r = setFirstItem(section); r; r = setNextItem(section)) {
477 fprintf(of, "%s\tres\t%d\n", r->name, r->size);
484 init_addr = rlist[j]->address;
485 deb_addr = init_addr;
486 fprintf(of, "\n\nustat_%s_%02d\tudata\t0X%04X\n", moduleName, abs_usection_no++, init_addr);
490 if(j < i-1)r1 = rlist[j+1]; else r1 = NULL;
492 init_addr = r->address;
493 deb_addr = init_addr;
495 if((rprev && (init_addr > (rprev->address + rprev->size)))) {
496 fprintf(of, "\n\nustat_%s_%02d\tudata\t0X%04X\n", moduleName, abs_usection_no++, init_addr);
499 if(r1 && (init_addr == r1->address)) {
500 fprintf(of, "\n%s\tres\t0\n", r->name);
502 fprintf(of, "%s\tres\t%d\n", r->name, r->size);
513 /* forward declaration */
514 void print_idata(FILE *of, symbol * sym, sym_link * type, initList * ilist);
516 void pic16_dump_isection(FILE *of, set *section, int fix)
518 static int abs_isection_no=0;
523 /* put all symbols in an array */
524 slist = Safe_calloc(elementsInSet(section), sizeof(symbol *));
526 for(sprev = setFirstItem(section); sprev; sprev = setNextItem(section)) {
527 slist[i] = sprev; i++;
531 if(slist)free(slist);
535 /* sort symbols according to their address */
536 qsort(slist, i, sizeof(symbol *), symCompare);
539 fprintf(of, "\n\n\tidata\n");
540 for(s = setFirstItem(section); s; s = setNextItem(section)) {
541 print_idata(of, s, s->type, s->ival);
548 init_addr = SPEC_ADDR(slist[j]->etype);
549 fprintf(of, "\n\nistat_%s_%02d\tidata\t0X%04X\n", moduleName, abs_isection_no++, init_addr);
553 if(j < i-1)s1 = slist[j+1]; else s1 = NULL;
555 init_addr = SPEC_ADDR(s->etype);
557 if(sprev && (init_addr > (SPEC_ADDR(sprev->etype) + getSize(sprev->etype)))) {
558 fprintf(of, "\nistat_%s_%02d\tidata\t0X%04X\n", moduleName, abs_isection_no++, init_addr);
561 print_idata(of, s, s->type, s->ival);
564 if(r1 && (init_addr == r1->address)) {
565 fprintf(of, "%s\tres\t0\n\n", r->name);
567 fprintf(of, "%s\tres\t%d\n", r->name, r->size);
578 void pic16_dump_int_registers(FILE *of, set *section)
584 /* put all symbols in an array */
585 rlist = Safe_calloc(elementsInSet(section), sizeof(regs *));
587 for(rprev = setFirstItem(section); rprev; rprev = setNextItem(section)) {
588 rlist[i] = rprev; i++;
591 /* sort symbols according to their address */
592 qsort(rlist, elementsInSet(section), sizeof(regs *), regCompare);
595 if(rlist)free(rlist);
599 fprintf(of, "\n\n; Internal registers\n");
601 fprintf(of, "%s\tudata_ovr\t0x0000\n", ".registers");
602 for(r = setFirstItem(section); r; r = setNextItem(section))
603 fprintf(of, "%s\tres\t%d\n", r->name, r->size);
609 #ifdef WORDS_BIGENDIAN
610 #define _ENDIAN(x) (3-x)
612 #define _ENDIAN(x) (x)
615 #define BYTE_IN_LONG(x,b) ((x>>(8*_ENDIAN(b)))&0xff)
619 /*-----------------------------------------------------------------*/
620 /* printIvalType - generates ival for int/char */
621 /*-----------------------------------------------------------------*/
622 void print_idataType (FILE *of, symbol *sym, sym_link * type, initList * ilist)
627 //fprintf(stderr, "%s\n",__FUNCTION__);
629 /* if initList is deep */
630 if (ilist->type == INIT_DEEP)
631 ilist = ilist->init.deep;
633 if (!IS_AGGREGATE(sym->type) && getNelements(type, ilist)>1) {
634 werror (W_EXCESS_INITIALIZERS, "scalar", sym->name, sym->lineDef);
637 if (!(val = list2val (ilist))) {
638 // assuming a warning has been thrown
642 if (val->type != type) {
643 val = valCastLiteral(type, floatFromVal(val));
647 ulval = (unsigned long) floatFromVal (val);
651 switch (getSize (type)) {
653 if(isprint(BYTE_IN_LONG(ulval, 0)))
654 fprintf(of, "%s\tdata\t\"%c\"\n", sym->rname, (unsigned char)BYTE_IN_LONG(ulval, 0));
656 fprintf(of, "%s\tdata\t0x%02x\n", sym->rname, (unsigned char)BYTE_IN_LONG(ulval, 0));
657 // pic16_addpCode2pBlock(pb,pic16_newpCode(POC_RETLW,pic16_newpCodeOpLit(BYTE_IN_LONG(ulval,0))));
661 fprintf(of, "%s\tdw\t0x%02x, 0x%02x\n", sym->rname, (unsigned int)(BYTE_IN_LONG(ulval, 0)),
662 (unsigned int)(BYTE_IN_LONG(ulval, 1)));
663 // fprintf(of, "%s\tdata\t0x%04x\n", sym->rname, (unsigned int)BYTE_IN_LONG(ulval, 0) +
664 // (unsigned int)(BYTE_IN_LONG(ulval, 1) << 8));
668 fprintf(of, "%s\tdw\t0x%04x,0x%04x\n", sym->rname, (unsigned int)(BYTE_IN_LONG(ulval, 0)
669 + (BYTE_IN_LONG(ulval, 1) << 8)),
670 (unsigned)(BYTE_IN_LONG(ulval, 2)
671 + (BYTE_IN_LONG(ulval, 3) << 8)));
672 // pic16_addpCode2pBlock(pb,pic16_newpCode(POC_RETLW,pic16_newpCodeOpLit(BYTE_IN_LONG(ulval,0))));
673 // pic16_addpCode2pBlock(pb,pic16_newpCode(POC_RETLW,pic16_newpCodeOpLit(BYTE_IN_LONG(ulval,1))));
674 // pic16_addpCode2pBlock(pb,pic16_newpCode(POC_RETLW,pic16_newpCodeOpLit(BYTE_IN_LONG(ulval,2))));
675 // pic16_addpCode2pBlock(pb,pic16_newpCode(POC_RETLW,pic16_newpCodeOpLit(BYTE_IN_LONG(ulval,3))));
681 /*-----------------------------------------------------------------*/
682 /* print_idataChar - generates initital value for character array */
683 /*-----------------------------------------------------------------*/
685 print_idataChar (FILE *of, symbol *sym, sym_link * type, initList * ilist, char *s)
689 char old_ch=0, *vchar;
691 // fprintf(stderr, "%s\n",__FUNCTION__);
695 val = list2val (ilist);
696 /* if the value is a character string */
697 if (IS_ARRAY (val->type) && IS_CHAR (val->etype))
699 if (!DCL_ELEM (type))
700 DCL_ELEM (type) = strlen (SPEC_CVAL (val->etype).v_char) + 1;
703 fprintf(of, "%s\tdata\t", sym->rname);
704 vchar = SPEC_CVAL(val->etype).v_char;
705 for(remain=0; remain<DCL_ELEM(type); remain++) {
706 if(!isprint(old_ch)) {
707 if(isprint(vchar[remain]))fprintf(of, "%s\"%c", (remain?", ":""), vchar[remain]);
708 else fprintf(of, "0x%02x", vchar[remain]);
710 if(!isprint(vchar[remain]))fprintf(of, "\", 0x%02x", vchar[remain]);
711 else fprintf(of, "%c", vchar[remain]);
712 old_ch = vchar[ remain ];
714 // fprintf(of, "0x%02x%s", SPEC_CVAL(val->etype).v_char[ remain ], (remain==DCL_ELEM(type)-1?"":","));
717 if ((remain = (DCL_ELEM (type) - strlen (SPEC_CVAL (val->etype).v_char) - 1)) > 0)
721 fprintf(of, "0x%02x%s", 0x00 /*SPEC_CVAL(val->etype).v_char[ remain ]*/ , (remain==DCL_ELEM(type)-1?"":","));
731 fprintf(of, "%s\tdata\t", sym->rname);
732 vchar = s; old_ch = 0;
733 for(remain=0; remain<strlen(s); remain++)
735 if(!isprint(old_ch)) {
736 if(isprint(vchar[remain]))fprintf(of, "%s\"%c", (remain?", ":""), vchar[remain]);
737 else fprintf(of, "0x%02x", vchar[remain]);
739 if(!isprint(vchar[remain]))fprintf(of, "\", 0x%02x", vchar[remain]);
740 else fprintf(of, "%c", vchar[remain]);
741 old_ch = vchar[ remain ];
742 // fprintf(of, "0x%02x%s", s[ remain ], (remain==strlen(s)-1?"":","));
748 /*-----------------------------------------------------------------*/
749 /* print_idataArray - generates code for array initialization */
750 /*-----------------------------------------------------------------*/
752 print_idataArray (FILE *of, symbol * sym, sym_link * type, initList * ilist)
755 int lcnt = 0, size = 0;
757 /* take care of the special case */
758 /* array of characters can be init */
760 if (IS_CHAR (type->next)) {
761 // fprintf(stderr,"%s:%d - is_char\n",__FUNCTION__,__LINE__);
762 if (!IS_LITERAL(list2val(ilist)->etype)) {
763 werror (W_INIT_WRONG);
766 if (print_idataChar (of, sym, type,
767 (ilist->type == INIT_DEEP ? ilist->init.deep : ilist),
768 SPEC_CVAL (sym->etype).v_char))
771 /* not the special case */
772 if (ilist->type != INIT_DEEP)
774 werror (E_INIT_STRUCT, sym->name);
778 iloop = ilist->init.deep;
779 lcnt = DCL_ELEM (type);
783 //fprintf(stderr,"%s:%d - is_char\n",__FUNCTION__,__LINE__);
785 print_idata (of, sym, type->next, iloop);
786 iloop = (iloop ? iloop->next : NULL);
789 /* if not array limits given & we */
790 /* are out of initialisers then */
791 if (!DCL_ELEM (type) && !iloop)
794 /* no of elements given and we */
795 /* have generated for all of them */
797 /* if initializers left */
799 werror (W_EXCESS_INITIALIZERS, "array", sym->name, sym->lineDef);
805 /* if we have not been given a size */
806 if (!DCL_ELEM (type))
807 DCL_ELEM (type) = size;
812 /*-----------------------------------------------------------------*/
813 /* print_idata - generates code for initial value */
814 /*-----------------------------------------------------------------*/
815 void print_idata(FILE *of, symbol * sym, sym_link * type, initList * ilist)
820 /* if structure then */
821 if (IS_STRUCT (type))
823 //fprintf(stderr,"%s struct\n",__FUNCTION__);
824 //printIvalStruct (sym, type, ilist, oFile);
825 fprintf(stderr, "%s:%d: PIC16 port error: structure initialisation is not implemented yet.\n",
831 /* if this is a pointer */
834 //fprintf(stderr,"%s pointer\n",__FUNCTION__);
835 //printIvalPtr (sym, type, ilist, oFile);
836 fprintf(stderr, "%s:%d: PIC16 port error: pointer initialisation is not immplemented yet.\n",
842 /* if this is an array */
845 //fprintf(stderr,"%s array\n",__FUNCTION__);
846 print_idataArray (of, sym, type, ilist);
850 /* if type is SPECIFIER */
853 // fprintf(stderr,"%s spec\n",__FUNCTION__);
854 print_idataType(of, sym, type, ilist);
862 /*-----------------------------------------------------------------*
863 * void pic16_list_valid_pics(int ncols, int list_alias)
865 * Print out a formatted list of valid PIC devices
867 * ncols - number of columns in the list.
869 * list_alias - if non-zero, print all of the supported aliases
870 * for a device (e.g. F84, 16F84, etc...)
871 *-----------------------------------------------------------------*/
872 void pic16_list_valid_pics(int ncols, int list_alias)
878 list_alias = sizeof(Pics16[0].name) / sizeof(Pics16[0].name[0]);
880 /* decrement the column number if it's greater than zero */
881 ncols = (ncols > 1) ? ncols-1 : 4;
883 /* Find the device with the longest name */
884 for(i=0,longest=0; i<num_of_supported_PICS; i++) {
885 for(j=0; j<=list_alias; j++) {
886 k = strlen(Pics16[i].name[j]);
894 for(i=0; i < num_of_supported_PICS; i++) {
898 fprintf(stderr,"%s", Pics16[i].name[j]);
900 l = longest + 2 - strlen(Pics16[i].name[j]);
911 } while(++j<list_alias);
919 /*-----------------------------------------------------------------*
921 *-----------------------------------------------------------------*/
922 PIC16_device *pic16_find_device(char *name)
930 for(i = 0; i<num_of_supported_PICS; i++) {
932 for(j=0; j<PROCESSOR_NAMES; j++)
933 if(!STRCASECMP(Pics16[i].name[j], name) )
941 /*-----------------------------------------------------------------*
943 *-----------------------------------------------------------------*/
944 void pic16_init_pic(char *pic_type)
946 pic16 = pic16_find_device(pic_type);
950 fprintf(stderr, "'%s' was not found.\n", pic_type);
952 fprintf(stderr, "No processor has been specified (use -pPROCESSOR_NAME)\n");
954 fprintf(stderr,"Valid devices are:\n");
956 pic16_list_valid_pics(4,0);
960 // printf("PIC processor found and initialized: %s\n", pic_type);
961 pic16_setMaxRAM( 0xfff );
964 /*-----------------------------------------------------------------*
966 *-----------------------------------------------------------------*/
967 int pic16_picIsInitialized(void)
969 if(pic16 && pic16->maxRAMaddress > 0)
976 /*-----------------------------------------------------------------*
977 * char *pic16_processor_base_name(void) - Include file is derived from this.
978 *-----------------------------------------------------------------*/
979 char *pic16_processor_base_name(void)
985 return pic16->name[0];
988 #define DEBUG_CHECK 0
991 * return 1 if register wasn't found and added, 0 otherwise
993 int checkAddReg(set **set, regs *reg)
998 fprintf(stderr, "%s: about to insert REGister: %s ... ", __FUNCTION__, reg->name);
1001 for(tmp = setFirstItem(*set); tmp; tmp = setNextItem(*set)) {
1002 if(!strcmp(tmp->name, reg->name))break;
1008 fprintf(stderr, "added\n");
1014 fprintf(stderr, "already added\n");
1019 int checkAddSym(set **set, symbol *sym)
1024 fprintf(stderr, "%s: about to add SYMbol: %s ... ", __FUNCTION__, sym->name);
1027 for(tmp = setFirstItem( *set ); tmp; tmp = setNextItem(*set)) {
1028 if(!strcmp(tmp->name, sym->name))break;
1034 fprintf(stderr, "added\n");
1040 fprintf(stderr, "already added\n");
1047 /*-----------------------------------------------------------------*
1048 * void pic16_groupRegistersInSection - add each register to its *
1049 * corresponding section *
1050 *-----------------------------------------------------------------*/
1051 void pic16_groupRegistersInSection(set *regset)
1055 for(reg=setFirstItem(regset); reg; reg = setNextItem(regset)) {
1057 // fprintf(stderr, "%s:%d group registers in section, reg: %s\n", __FILE__, __LINE__, reg->name);
1060 && !(reg->regop && SPEC_EXTR(OP_SYM_ETYPE(reg->regop)))) {
1062 /* avoid grouping registers that have an initial value,
1063 * they will be added later in idataSymSet */
1064 if(reg->regop && (OP_SYMBOL(reg->regop)->ival && !OP_SYMBOL(reg->regop)->level))
1068 fprintf(stderr, "%s:%d register %s alias:%d fix:%d ival=%i level=%i\n",
1069 __FILE__, __LINE__, reg->name, reg->alias, reg->isFixed,
1070 (reg->regop?(OP_SYMBOL(reg->regop)->ival?1:0):-1),
1071 (reg->regop?(OP_SYMBOL(reg->regop)->level):-1) );
1075 checkAddReg(&pic16_equ_data, reg);
1078 checkAddReg(&pic16_fix_udata, reg);
1081 if(reg->pc_type == PO_GPR_TEMP)
1082 checkAddReg(&pic16_int_regs, reg);
1084 checkAddReg(&pic16_rel_udata, reg);
1094 /*-----------------------------------------------------------------*
1095 * void pic16_assignConfigWordValue(int address, int value)
1097 * All high performance RISC CPU PICs have seven config word starting
1098 * at address 0x300000.
1099 * This routine will assign a value to that address.
1101 *-----------------------------------------------------------------*/
1102 void pic16_assignConfigWordValue(int address, int value)
1106 for(i=0;i<pic16->cwInfo.confAddrEnd-pic16->cwInfo.confAddrStart+1;i++) {
1107 if((address == pic16->cwInfo.confAddrStart+i)
1108 && (pic16->cwInfo.crInfo[i].mask != -1)) {
1109 // fprintf(stderr, "setting location 0x%X to value 0x%x\n", /*address*/ pic16->cwInfo.confAddrStart+i, val
1110 pic16->cwInfo.crInfo[i].value = value;
1111 pic16->cwInfo.crInfo[i].emit = 1;