2 ds390 specific general functions.
4 Note that mlh prepended _ds390_ on the static functions. Makes
5 it easier to set a breakpoint using the debugger.
13 #include "../SDCCutil.h"
14 #include "../SDCCglobl.h"
15 static char _defaultRules[] =
20 /* list of key words used by msc51 */
21 static char *_ds390_keywords[] =
49 static builtins __ds390_builtins[] = {
50 { "__builtin_memcpy_x2x","v",3,{"cx*","cx*","i"}}, /* void __builtin_memcpy_x2x (xdata char *,xdata char *,int) */
51 { "__builtin_memcpy_c2x","v",3,{"cx*","cp*","i"}}, /* void __builtin_memcpy_c2x (xdata char *,code char *,int) */
52 { "__builtin_memset_x","v",3,{"cx*","c","i"}}, /* void __builtin_memset (xdata char *,char,int) */
53 /* __builtin_inp - used to read from a memory mapped port, increment first pointer */
54 { "__builtin_inp","v",3,{"cx*","cx*","i"}}, /* void __builtin_inp (xdata char *,xdata char *,int) */
55 /* __builtin_inp - used to write to a memory mapped port, increment first pointer */
56 { "__builtin_outp","v",3,{"cx*","cx*","i"}}, /* void __builtin_outp (xdata char *,xdata char *,int) */
57 { "__builtin_swapw","us",1,{"us"}}, /* unsigned short __builtin_swapw (unsigned short) */
58 { "__builtin_memcmp_x2x","c",3,{"cx*","cx*","i"}}, /* void __builtin_memcmp_x2x (xdata char *,xdata char *,int) */
59 { "__builtin_memcmp_c2x","c",3,{"cx*","cp*","i"}}, /* void __builtin_memcmp_c2x (xdata char *,code char *,int) */
60 { NULL , NULL,0, {NULL}} /* mark end of table */
62 void ds390_assignRegisters (eBBlock ** ebbs, int count);
64 static int regParmFlg = 0; /* determine if we can register a parameter */
69 asm_addTree (&asm_asxxxx_mapping);
73 _ds390_reset_regparm ()
79 _ds390_regparm (sym_link * l)
82 if (options.parms_in_bank1 == 0) {
83 /* simple can pass only the first parameter in a register */
90 int size = getSize(l);
93 /* first one goes the usual way to DPTR */
94 if (regParmFlg == 0) {
98 /* second one onwards goes to RB1_0 thru RB1_7 */
99 remain = regParmFlg - 4;
100 if (size > (8 - remain)) {
105 return regParmFlg - size + 1;
110 _ds390_parseOptions (int *pargc, char **argv, int *i)
112 /* TODO: allow port-specific command line options to specify
113 * segment names here.
119 _ds390_finaliseOptions (void)
121 if (options.noXinitOpt) {
125 /* Hack-o-matic: if we are using the flat24 model,
126 * adjust pointer sizes.
128 if (options.model != MODEL_FLAT24) {
130 "*** warning: ds390 port small and large model experimental.\n");
131 if (options.model == MODEL_LARGE)
133 port->mem.default_local_map = xdata;
134 port->mem.default_globl_map = xdata;
138 port->mem.default_local_map = data;
139 port->mem.default_globl_map = data;
143 port->s.fptr_size = 3;
144 port->s.gptr_size = 4;
146 port->stack.isr_overhead += 2; /* Will save dpx on ISR entry. */
148 port->stack.call_overhead += 2; /* This acounts for the extra byte
149 * of return addres on the stack.
150 * but is ugly. There must be a
154 port->mem.default_local_map = xdata;
155 port->mem.default_globl_map = xdata;
157 if (!options.stack10bit)
160 "*** error: ds390 port only supports the 10 bit stack mode.\n");
162 if (!options.stack_loc) options.stack_loc = 0x400008;
165 /* generate native code 16*16 mul/div */
166 if (options.useAccelerator)
167 port->support.muldiv=2;
169 port->support.muldiv=1;
171 /* Fixup the memory map for the stack; it is now in
172 * far space and requires a FPOINTER to access it.
175 istack->ptrType = FPOINTER;
177 if (options.parms_in_bank1) {
178 addSet(&preArgvSet, Safe_strdup("-DSDCC_PARMS_IN_BANK1"));
184 _ds390_setDefaultOptions (void)
186 options.model=MODEL_FLAT24;
187 options.stack10bit=1;
191 _ds390_getRegName (struct regs *reg)
199 _ds390_genAssemblerPreamble (FILE * of)
201 if (options.model == MODEL_FLAT24)
202 fputs (".flat24 on\t\t; 24 bit flat addressing\n", of);
204 fputs ("dpx = 0x93\t\t; dpx register unknown to assembler\n", of);
205 fputs ("dps = 0x86\t\t; dps register unknown to assembler\n", of);
206 fputs ("dpl1 = 0x84\t\t; dpl1 register unknown to assembler\n", of);
207 fputs ("dph1 = 0x85\t\t; dph1 register unknown to assembler\n", of);
208 fputs ("dpx1 = 0x95\t\t; dpx1 register unknown to assembler\n", of);
209 fputs ("ap = 0x9C\t\t; ap register unknown to assembler\n", of);
210 fputs ("_ap = 0x9C\t\t; _ap register unknown to assembler\n", of);
211 fputs ("mcnt0 = 0xD1\t\t; mcnt0 register unknown to assembler\n", of);
212 fputs ("mcnt1 = 0xD2\t\t; mcnt1 register unknown to assembler\n", of);
213 fputs ("ma = 0xD3\t\t; ma register unknown to assembler\n", of);
214 fputs ("mb = 0xD4\t\t; mb register unknown to assembler\n", of);
215 fputs ("mc = 0xD5\t\t; mc register unknown to assembler\n", of);
216 fputs ("F1 = 0xD1\t\t; F1 user flag unknown to assembler\n", of);
217 fputs ("esp = 0x9B\t\t; ESP user flag unknown to assembler\n", of);
218 if (options.parms_in_bank1) {
220 for (i=0; i < 8 ; i++ )
221 fprintf (of,"b1_%d = 0x%x \n",i,8+i);
225 /* Generate interrupt vector table. */
227 _ds390_genIVT (FILE * of, symbol ** interrupts, int maxInterrupts)
231 if (options.model != MODEL_FLAT24)
233 /* Let the default code handle it. */
237 fprintf (of, "\tajmp\t__reset_vect\n");
239 /* now for the other interrupts */
240 for (i = 0; i < maxInterrupts; i++)
244 fprintf (of, "\tljmp\t%s\n\t.ds\t4\n", interrupts[i]->rname);
248 fprintf (of, "\treti\n\t.ds\t7\n");
252 fprintf (of, "__reset_vect:\n\tljmp\t__sdcc_gsinit_startup\n");
257 /* Generate code to copy XINIT to XISEG */
258 static void _ds390_genXINIT (FILE * of) {
259 fprintf (of, "; _ds390_genXINIT() start\n");
260 fprintf (of, " mov a,#l_XINIT\n");
261 fprintf (of, " orl a,#l_XINIT>>8\n");
262 fprintf (of, " jz 00003$\n");
263 fprintf (of, " mov a,#s_XINIT\n");
264 fprintf (of, " add a,#l_XINIT\n");
265 fprintf (of, " mov r1,a\n");
266 fprintf (of, " mov a,#s_XINIT>>8\n");
267 fprintf (of, " addc a,#l_XINIT>>8\n");
268 fprintf (of, " mov r2,a\n");
269 fprintf (of, " mov dptr,#s_XINIT\n");
270 fprintf (of, " mov dps,#0x21\n");
271 fprintf (of, " mov dptr,#s_XISEG\n");
272 fprintf (of, "00001$: clr a\n");
273 fprintf (of, " movc a,@a+dptr\n");
274 fprintf (of, " movx @dptr,a\n");
275 fprintf (of, " inc dptr\n");
276 fprintf (of, " inc dptr\n");
277 fprintf (of, "00002$: mov a,dpl\n");
278 fprintf (of, " cjne a,ar1,00001$\n");
279 fprintf (of, " mov a,dph\n");
280 fprintf (of, " cjne a,ar2,00001$\n");
281 fprintf (of, " mov dps,#0\n");
282 fprintf (of, "00003$:\n");
283 fprintf (of, "; _ds390_genXINIT() end\n");
286 /* Do CSE estimation */
287 static bool cseCostEstimation (iCode *ic, iCode *pdic)
289 operand *result = IC_RESULT(ic);
290 //operand *right = IC_RIGHT(ic);
291 //operand *left = IC_LEFT(ic);
292 sym_link *result_type = operandType(result);
293 //sym_link *right_type = (right ? operandType(right) : 0);
294 //sym_link *left_type = (left ? operandType(left) : 0);
296 /* if it is a pointer then return ok for now */
297 if (IC_RESULT(ic) && IS_PTR(result_type)) return 1;
299 /* if bitwise | add & subtract then no since mcs51 is pretty good at it
300 so we will cse only if they are local (i.e. both ic & pdic belong to
301 the same basic block */
302 if (IS_BITWISE_OP(ic) || ic->op == '+' || ic->op == '-') {
303 /* then if they are the same Basic block then ok */
304 if (ic->eBBlockNum == pdic->eBBlockNum) return 1;
308 /* for others it is cheaper to do the cse */
312 bool _ds390_nativeMulCheck(iCode *ic, sym_link *left, sym_link *right)
314 return FALSE; // #STUB
317 /* Indicate which extended bit operations this port supports */
319 hasExtBitOp (int op, int size)
324 || (op == SWAP && size <= 2)
331 /* Indicate the expense of an access to an output storage class */
333 oclsExpense (struct memmap *oclass)
335 if (IN_FARSPACE(oclass))
342 instructionSize(char *inst, char *op1, char *op2)
344 int isflat24 = (options.model == MODEL_FLAT24);
346 #define ISINST(s) (strncmp(inst, (s), sizeof(s)-1) == 0)
347 #define IS_A(s) (*(s) == 'a' && *(s+1) == '\0')
348 #define IS_C(s) (*(s) == 'c' && *(s+1) == '\0')
349 #define IS_Rn(s) (*(s) == 'r' && *(s+1) >= '0' && *(s+1) <= '7')
350 #define IS_atRi(s) (*(s) == '@' && *(s+1) == 'r')
352 /* Based on the current (2003-08-22) code generation for the
353 small library, the top instruction probability is:
364 /* mov, push, & pop are the 69% of the cases. Check them first! */
367 if (*(inst+3)=='x') return 1; /* movx */
368 if (*(inst+3)=='c') return 1; /* movc */
369 if (IS_C (op1) || IS_C (op2)) return 2;
372 if (IS_Rn (op2) || IS_atRi (op2)) return 1;
375 if (IS_Rn(op1) || IS_atRi(op1))
377 if (IS_A(op2)) return 1;
380 if (strcmp (op1, "dptr") == 0) return 3+isflat24;
381 if (IS_A (op2) || IS_Rn (op2) || IS_atRi (op2)) return 2;
385 if (ISINST ("push")) return 2;
386 if (ISINST ("pop")) return 2;
388 if (ISINST ("lcall")) return 3+isflat24;
389 if (ISINST ("ret")) return 1;
390 if (ISINST ("ljmp")) return 3+isflat24;
391 if (ISINST ("sjmp")) return 2;
392 if (ISINST ("rlc")) return 1;
393 if (ISINST ("rrc")) return 1;
394 if (ISINST ("rl")) return 1;
395 if (ISINST ("rr")) return 1;
396 if (ISINST ("swap")) return 1;
397 if (ISINST ("jc")) return 2;
398 if (ISINST ("jnc")) return 2;
399 if (ISINST ("jb")) return 3;
400 if (ISINST ("jnb")) return 3;
401 if (ISINST ("jbc")) return 3;
402 if (ISINST ("jmp")) return 1; // always jmp @a+dptr
403 if (ISINST ("jz")) return 2;
404 if (ISINST ("jnz")) return 2;
405 if (ISINST ("cjne")) return 3;
406 if (ISINST ("mul")) return 1;
407 if (ISINST ("div")) return 1;
408 if (ISINST ("da")) return 1;
409 if (ISINST ("xchd")) return 1;
410 if (ISINST ("reti")) return 1;
411 if (ISINST ("nop")) return 1;
412 if (ISINST ("acall")) return 2+isflat24;
413 if (ISINST ("ajmp")) return 2+isflat24;
416 if (ISINST ("add") || ISINST ("addc") || ISINST ("subb") || ISINST ("xch"))
418 if (IS_Rn(op2) || IS_atRi(op2)) return 1;
421 if (ISINST ("inc") || ISINST ("dec"))
423 if (IS_A(op1) || IS_Rn(op1) || IS_atRi(op1)) return 1;
424 if (strcmp(op1, "dptr") == 0) return 1;
427 if (ISINST ("anl") || ISINST ("orl") || ISINST ("xrl"))
429 if (IS_C(op1)) return 2;
432 if (IS_Rn(op2) || IS_atRi(op2)) return 1;
437 if (IS_A(op2)) return 2;
441 if (ISINST ("clr") || ISINST ("setb") || ISINST ("cpl"))
443 if (IS_A(op1) || IS_C(op1)) return 1;
448 if (IS_Rn(op1)) return 2;
452 /* If the instruction is unrecognized, we shouldn't try to optimize. */
453 /* Return a large value to discourage optimization. */
458 ds390newAsmLineNode (int currentDPS)
462 aln = Safe_alloc ( sizeof (asmLineNode));
464 aln->regsRead = NULL;
465 aln->regsWritten = NULL;
466 aln->initialized = 0;
467 aln->currentDPS = currentDPS;
473 typedef struct ds390operanddata
481 static ds390operanddata ds390operandDataTable[] =
485 {"ab", A_IDX, B_IDX},
500 {"dph", DPH_IDX, -1},
501 {"dph0", DPH_IDX, -1},
502 {"dph1", DPH1_IDX, -1},
503 {"dpl", DPL_IDX, -1},
504 {"dpl0", DPL_IDX, -1},
505 {"dpl1", DPL1_IDX, -1},
506 /* {"dptr", DPL_IDX, DPH_IDX}, */ /* dptr is special, based on currentDPS */
507 {"dps", DPS_IDX, -1},
508 {"dpx", DPX_IDX, -1},
509 {"dpx0", DPX_IDX, -1},
510 {"dpx1", DPX1_IDX, -1},
515 {"psw", CND_IDX, -1},
527 ds390operandCompare (const void *key, const void *member)
529 return strcmp((const char *)key, ((ds390operanddata *)member)->name);
533 updateOpRW (asmLineNode *aln, char *op, char *optype, int currentDPS)
535 ds390operanddata *opdat;
541 dot = strchr(op, '.');
545 opdat = bsearch (op, ds390operandDataTable,
546 sizeof(ds390operandDataTable)/sizeof(ds390operanddata),
547 sizeof(ds390operanddata), ds390operandCompare);
551 regIdx1 = opdat->regIdx1;
552 regIdx2 = opdat->regIdx2;
554 if (!strcmp(op, "dptr"))
570 if (strchr(optype,'r'))
573 aln->regsRead = bitVectSetBit (aln->regsRead, regIdx1);
575 aln->regsRead = bitVectSetBit (aln->regsRead, regIdx2);
577 aln->regsRead = bitVectSetBit (aln->regsRead, regIdx3);
579 if (strchr(optype,'w'))
582 aln->regsWritten = bitVectSetBit (aln->regsWritten, regIdx1);
584 aln->regsWritten = bitVectSetBit (aln->regsWritten, regIdx2);
586 aln->regsWritten = bitVectSetBit (aln->regsWritten, regIdx3);
590 if (!strcmp(op, "@r0"))
591 aln->regsRead = bitVectSetBit (aln->regsRead, R0_IDX);
592 if (!strcmp(op, "@r1"))
593 aln->regsRead = bitVectSetBit (aln->regsRead, R1_IDX);
594 if (strstr(op, "dptr"))
598 aln->regsRead = bitVectSetBit (aln->regsRead, DPL_IDX);
599 aln->regsRead = bitVectSetBit (aln->regsRead, DPH_IDX);
600 aln->regsRead = bitVectSetBit (aln->regsRead, DPX_IDX);
604 aln->regsRead = bitVectSetBit (aln->regsRead, DPL1_IDX);
605 aln->regsRead = bitVectSetBit (aln->regsRead, DPH1_IDX);
606 aln->regsRead = bitVectSetBit (aln->regsRead, DPX1_IDX);
609 if (strstr(op, "a+"))
610 aln->regsRead = bitVectSetBit (aln->regsRead, A_IDX);
614 typedef struct ds390opcodedata
624 static ds390opcodedata ds390opcodeDataTable[] =
626 {"acall","j", "", "", ""},
627 {"ajmp", "j", "", "", ""},
628 {"add", "", "w", "rw", "r"},
629 {"addc", "", "rw", "rw", "r"},
630 {"anl", "", "", "rw", "r"},
631 {"cjne", "j", "w", "r", "r"},
632 {"clr", "", "", "w", ""},
633 {"cpl", "", "", "rw", ""},
634 {"da", "", "rw", "rw", ""},
635 {"dec", "", "", "rw", ""},
636 {"div", "", "w", "rw", ""},
637 {"djnz", "j", "", "rw", ""},
638 {"inc", "", "", "rw", ""},
639 {"jb", "j", "", "r", ""},
640 {"jbc", "j", "", "rw", ""},
641 {"jc", "j", "", "", ""},
642 {"jmp", "j", "", "", ""},
643 {"jnb", "j", "", "r", ""},
644 {"jnc", "j", "", "", ""},
645 {"jnz", "j", "", "", ""},
646 {"jz", "j", "", "", ""},
647 {"lcall","j", "", "", ""},
648 {"ljmp", "j", "", "", ""},
649 {"mov", "", "", "w", "r"},
650 {"movc", "", "", "w", "r"},
651 {"movx", "", "", "w", "r"},
652 {"mul", "", "w", "rw", ""},
653 {"nop", "", "", "", ""},
654 {"orl", "", "", "rw", "r"},
655 {"pop", "", "", "w", ""},
656 {"push", "", "", "r", ""},
657 {"ret", "j", "", "", ""},
658 {"reti", "j", "", "", ""},
659 {"rl", "", "", "rw", ""},
660 {"rlc", "", "rw", "rw", ""},
661 {"rr", "", "", "rw", ""},
662 {"rrc", "", "rw", "rw", ""},
663 {"setb", "", "", "w", ""},
664 {"sjmp", "j", "", "", ""},
665 {"subb", "", "rw", "rw", "r"},
666 {"swap", "", "", "rw", ""},
667 {"xch", "", "", "rw", "rw"},
668 {"xchd", "", "", "rw", "rw"},
669 {"xrl", "", "", "rw", "r"},
673 ds390opcodeCompare (const void *key, const void *member)
675 return strcmp((const char *)key, ((ds390opcodedata *)member)->name);
679 asmLineNodeFromLineNode (lineNode *ln, int currentDPS)
681 asmLineNode *aln = ds390newAsmLineNode(currentDPS);
682 char *op, op1[256], op2[256];
686 ds390opcodedata *opdat;
688 aln->initialized = 1;
692 while (*p && isspace(*p)) p++;
693 for (op = inst, opsize=1; *p; p++)
695 if (isspace(*p) || *p == ';' || *p == ':' || *p == '=')
698 if (opsize < sizeof(inst))
699 *op++ = tolower(*p), opsize++;
703 if (*p == ';' || *p == ':' || *p == '=')
706 while (*p && isspace(*p)) p++;
710 for (op = op1, opsize=1; *p && *p != ','; p++)
712 if (!isspace(*p) && opsize < sizeof(op1))
713 *op++ = tolower(*p), opsize++;
718 for (op = op2, opsize=1; *p && *p != ','; p++)
720 if (!isspace(*p) && opsize < sizeof(op2))
721 *op++ = tolower(*p), opsize++;
725 aln->size = instructionSize(inst, op1, op2);
727 aln->regsRead = newBitVect (END_IDX);
728 aln->regsWritten = newBitVect (END_IDX);
730 opdat = bsearch (inst, ds390opcodeDataTable,
731 sizeof(ds390opcodeDataTable)/sizeof(ds390opcodedata),
732 sizeof(ds390opcodedata), ds390opcodeCompare);
736 updateOpRW (aln, op1, opdat->op1type, currentDPS);
737 updateOpRW (aln, op2, opdat->op2type, currentDPS);
738 if (strchr(opdat->pswtype,'r'))
739 aln->regsRead = bitVectSetBit (aln->regsRead, CND_IDX);
740 if (strchr(opdat->pswtype,'w'))
741 aln->regsWritten = bitVectSetBit (aln->regsWritten, CND_IDX);
748 initializeAsmLineNode (lineNode *line)
751 line->aln = asmLineNodeFromLineNode (line, 0);
752 else if (line->aln && !line->aln->initialized)
754 int currentDPS = line->aln->currentDPS;
756 line->aln = asmLineNodeFromLineNode (line, currentDPS);
761 getInstructionSize (lineNode *line)
763 initializeAsmLineNode (line);
764 return line->aln->size;
768 getRegsRead (lineNode *line)
770 initializeAsmLineNode (line);
771 return line->aln->regsRead;
775 getRegsWritten (lineNode *line)
777 initializeAsmLineNode (line);
778 return line->aln->regsWritten;
782 /** $1 is always the basename.
783 $2 is always the output file.
785 $l is the list of extra options that should be there somewhere...
786 MUST be terminated with a NULL.
788 static const char *_linkCmd[] =
790 "aslink", "-nf", "\"$1\"", NULL
793 /* $3 is replaced by assembler.debug_opts resp. port->assembler.plain_opts */ static const char *_asmCmd[] =
795 "asx8051", "$l", "$3", "\"$1.asm\"", NULL
803 "DS80C390", /* Target name */
807 TRUE, /* Emit glue around main */
808 MODEL_SMALL | MODEL_LARGE | MODEL_FLAT24,
814 "-plosgffc", /* Options with debug */
815 "-plosgff", /* Options without debug */
818 NULL /* no do_assemble function */
834 /* Sizes: char, short, int, long, ptr, fptr, gptr, bit, float, max */
835 1, 2, 2, 4, 1, 2, 3, 1, 4, 4
850 "XISEG (XDATA)", // initialized xdata
851 "XINIT (CODE)", // a code copy of xiseg
860 /* ds390 has an 16 bit mul & div */
868 _ds390_finaliseOptions,
869 _ds390_setDefaultOptions,
870 ds390_assignRegisters,
873 _ds390_genAssemblerPreamble,
874 NULL, /* no genAssemblerEnd */
877 _ds390_reset_regparm,
881 _ds390_nativeMulCheck,
882 hasExtBitOp, /* hasExtBitOp */
883 oclsExpense, /* oclsExpense */
885 TRUE, /* little endian */
888 1, /* transform <= to ! > */
889 1, /* transform >= to ! < */
890 1, /* transform != to !(a == b) */
892 #if 0 // obsolete, and buggy for != xdata
893 TRUE, /* we support array initializers. */
895 FALSE, /* No array initializer support. */
898 __ds390_builtins, /* table of builtin functions */
899 GPOINTER, /* treat unqualified pointers as "generic" pointers */
900 1, /* reset labelKey to 1 */
901 1, /* globals & local static allowed */
905 /*---------------------------------------------------------------------------------*/
906 /* TININative specific */
907 /*---------------------------------------------------------------------------------*/
909 static void _tininative_init (void)
911 asm_addTree (&asm_a390_mapping);
914 static void _tininative_setDefaultOptions (void)
916 options.model=MODEL_FLAT24;
917 options.stack10bit=1;
918 options.stackAuto = 1;
921 static void _tininative_finaliseOptions (void)
923 /* Hack-o-matic: if we are using the flat24 model,
924 * adjust pointer sizes.
926 if (options.model != MODEL_FLAT24) {
927 options.model = MODEL_FLAT24 ;
928 fprintf(stderr,"TININative supports only MODEL FLAT24\n");
930 port->s.fptr_size = 3;
931 port->s.gptr_size = 4;
933 port->stack.isr_overhead += 2; /* Will save dpx on ISR entry. */
935 port->stack.call_overhead += 2; /* This acounts for the extra byte
936 * of return addres on the stack.
937 * but is ugly. There must be a
941 port->mem.default_local_map = xdata;
942 port->mem.default_globl_map = xdata;
944 if (!options.stack10bit) {
945 options.stack10bit = 1;
946 fprintf(stderr,"TININative supports only stack10bit \n");
949 if (!options.stack_loc) options.stack_loc = 0x400008;
951 /* generate native code 16*16 mul/div */
952 if (options.useAccelerator)
953 port->support.muldiv=2;
955 port->support.muldiv=1;
957 /* Fixup the memory map for the stack; it is now in
958 * far space and requires a FPOINTER to access it.
961 istack->ptrType = FPOINTER;
965 static int _tininative_genIVT (FILE * of, symbol ** interrupts, int maxInterrupts)
969 static void _tininative_genAssemblerPreamble (FILE * of)
971 fputs("$include(tini.inc)\n", of);
972 fputs("$include(ds80c390.inc)\n", of);
973 fputs("$include(tinimacro.inc)\n", of);
974 fputs("$include(apiequ.inc)\n", of);
975 fputs("_bpx EQU 01Eh \t\t; _bpx (frame pointer) mapped to R8_B3:R7_B3\n", of);
976 fputs("_ap EQU 01Dh \t\t; _ap mapped to R6_B3\n", of);
977 /* Must be first and return 0 */
978 fputs("Lib_Native_Init:\n",of);
979 fputs("\tclr\ta\n",of);
981 fputs("LibraryID:\n",of);
982 fputs("\tdb \"DS\"\n",of);
983 if (options.tini_libid) {
984 fprintf(of,"\tdb 0,0,0%02xh,0%02xh,0%02xh,0%02xh\n",
985 (options.tini_libid>>24 & 0xff),
986 (options.tini_libid>>16 & 0xff),
987 (options.tini_libid>>8 & 0xff),
988 (options.tini_libid & 0xff));
990 fprintf(of,"\tdb 0,0,0,0,0,1\n");
994 static void _tininative_genAssemblerEnd (FILE * of)
998 /* tininative assembler , calls "macro", if it succeeds calls "a390" */
999 static void _tininative_do_assemble (set *asmOptions)
1001 static const char *macroCmd[] = {
1002 "macro","$1.a51",NULL
1004 static const char *a390Cmd[] = {
1005 "a390","$1.mpp",NULL
1009 buildCmdLine(buffer,macroCmd,dstFileName,NULL,NULL,NULL);
1010 if (my_system(buffer)) {
1013 buildCmdLine(buffer,a390Cmd,dstFileName,NULL,NULL,asmOptions);
1014 if (my_system(buffer)) {
1019 /* list of key words used by TININative */
1020 static char *_tininative_keywords[] =
1049 static builtins __tininative_builtins[] = {
1050 { "__builtin_memcpy_x2x","v",3,{"cx*","cx*","i"}}, /* void __builtin_memcpy_x2x (xdata char *,xdata char *,int) */
1051 { "__builtin_memcpy_c2x","v",3,{"cx*","cp*","i"}}, /* void __builtin_memcpy_c2x (xdata char *,code char *,int) */
1052 { "__builtin_memset_x","v",3,{"cx*","c","i"}}, /* void __builtin_memset (xdata char *,char,int) */
1054 { "NatLib_LoadByte","c",1,{"c"}}, /* char Natlib_LoadByte (0 based parameter number) */
1055 { "NatLib_LoadShort","s",1,{"c"}}, /* short Natlib_LoadShort (0 based parameter number) */
1056 { "NatLib_LoadInt","l",1,{"c"}}, /* long Natlib_LoadLong (0 based parameter number) */
1057 { "NatLib_LoadPointer","cx*",1,{"c"}}, /* long Natlib_LoadPointer (0 based parameter number) */
1058 /* TINI StateBlock related */
1059 { "NatLib_InstallImmutableStateBlock","c",2,{"vx*","us"}},/* char NatLib_InstallImmutableStateBlock(state block *,int handle) */
1060 { "NatLib_InstallEphemeralStateBlock","c",2,{"vx*","us"}},/* char NatLib_InstallEphemeralStateBlock(state block *,int handle) */
1061 { "NatLib_RemoveImmutableStateBlock","v",0,{NULL}},/* void NatLib_RemoveImmutableStateBlock() */
1062 { "NatLib_RemoveEphemeralStateBlock","v",0,{NULL}},/* void NatLib_RemoveEphemeralStateBlock() */
1063 { "NatLib_GetImmutableStateBlock","i",0,{NULL}}, /* int NatLib_GetImmutableStateBlock () */
1064 { "NatLib_GetEphemeralStateBlock","i",0,{NULL}}, /* int NatLib_GetEphemeralStateBlock () */
1065 /* Memory manager */
1066 { "MM_XMalloc","i",1,{"l"}}, /* int MM_XMalloc (long) */
1067 { "MM_Malloc","i",1,{"i"}}, /* int MM_Malloc (int) */
1068 { "MM_ApplicationMalloc","i",1,{"i"}}, /* int MM_ApplicationMalloc (int) */
1069 { "MM_Free","i",1,{"i"}}, /* int MM_Free (int) */
1070 { "MM_Deref","cx*",1,{"i"}}, /* char *MM_Free (int) */
1071 { "MM_UnrestrictedPersist","c",1,{"i"}}, /* char MM_UnrestrictedPersist (int) */
1072 /* System functions */
1073 { "System_ExecJavaProcess","c",2,{"cx*","i"}}, /* char System_ExecJavaProcess (char *,int) */
1074 { "System_GetRTCRegisters","v",1,{"cx*"}}, /* void System_GetRTCRegisters (char *) */
1075 { "System_SetRTCRegisters","v",1,{"cx*"}}, /* void System_SetRTCRegisters (char *) */
1076 { "System_ThreadSleep","v",2,{"l","c"}}, /* void System_ThreadSleep (long,char) */
1077 { "System_ThreadSleep_ExitCriticalSection","v",2,{"l","c"}},/* void System_ThreadSleep_ExitCriticalSection (long,char) */
1078 { "System_ProcessSleep","v",2,{"l","c"}}, /* void System_ProcessSleep (long,char) */
1079 { "System_ProcessSleep_ExitCriticalSection","v",2,{"l","c"}},/* void System_ProcessSleep_ExitCriticalSection (long,char) */
1080 { "System_ThreadResume","c",2,{"c","c"}}, /* char System_ThreadResume(char,char) */
1081 { "System_SaveJavaThreadState","v",0,{NULL}}, /* void System_SaveJavaThreadState() */
1082 { "System_RestoreJavaThreadState","v",0,{NULL}}, /* void System_RestoreJavaThreadState() */
1083 { "System_ProcessYield","v",0,{NULL}}, /* void System_ProcessYield() */
1084 { "System_ProcessSuspend","v",0,{NULL}}, /* void System_ProcessSuspend() */
1085 { "System_ProcessResume","v",1,{"c"}}, /* void System_ProcessResume(char) */
1086 { "System_RegisterPoll","c",1,{"vF*"}}, /* char System_RegisterPoll ((void *func pointer)()) */
1087 { "System_RemovePoll","c",1,{"vF*"}}, /* char System_RemovePoll ((void *func pointer)()) */
1088 { "System_GetCurrentProcessId","c",0,{NULL}}, /* char System_GetCurrentProcessId() */
1089 { "System_GetCurrentThreadId","c",0,{NULL}}, /* char System_GetCurrentThreadId() */
1090 { NULL , NULL,0, {NULL}} /* mark end of table */
1093 static const char *_a390Cmd[] =
1095 "macro", "$l", "$3", "$1.a51", NULL
1097 PORT tininative_port =
1101 "DS80C390", /* Target name */
1102 NULL, /* processor */
1105 FALSE, /* Emit glue around main */
1112 "-l", /* Options with debug */
1113 "-l", /* Options without debug */
1116 _tininative_do_assemble
1132 /* Sizes: char, short, int, long, ptr, fptr, gptr, bit, float, max */
1133 1, 2, 2, 4, 1, 3, 3, 1, 4, 4
1158 /* ds390 has an 16 bit mul & div */
1164 _ds390_parseOptions,
1166 _tininative_finaliseOptions,
1167 _tininative_setDefaultOptions,
1168 ds390_assignRegisters,
1170 _tininative_keywords,
1171 _tininative_genAssemblerPreamble,
1172 _tininative_genAssemblerEnd,
1175 _ds390_reset_regparm,
1180 hasExtBitOp, /* hasExtBitOp */
1181 oclsExpense, /* oclsExpense */
1183 TRUE, /* little endian */
1186 1, /* transform <= to ! > */
1187 1, /* transform >= to ! < */
1188 1, /* transform != to !(a == b) */
1190 TRUE, /* we support array initializers. */
1192 __tininative_builtins, /* table of builtin functions */
1193 FPOINTER, /* treat unqualified pointers as far pointers */
1194 0, /* DONOT reset labelKey */
1195 0, /* globals & local static NOT allowed */
1200 _ds400_genIVT (FILE * of, symbol ** interrupts, int maxInterrupts)
1202 /* We can't generate a static IVT, since the boot rom creates one
1203 * for us in rom_init.
1205 * we must patch it as part of the C startup.
1207 fprintf (of, ";\tDS80C400 IVT must be generated at runtime.\n");
1208 fprintf (of, "\tsjmp\t__sdcc_400boot\n");
1209 fprintf (of, "\t.ascii\t'TINI'\t; required signature for 400 boot loader.\n");
1210 fprintf (of, "\t.db\t0\t; selected bank: zero *should* work...\n");
1211 fprintf (of, "\t__sdcc_400boot:\tljmp\t__sdcc_gsinit_startup\n");
1218 _ds400_finaliseOptions (void)
1220 if (options.noXinitOpt) {
1224 // hackhack: we're a superset of the 390.
1225 addSet(&preArgvSet, Safe_strdup("-DSDCC_ds390"));
1226 addSet(&preArgvSet, Safe_strdup("-D__ds390"));
1228 /* Hack-o-matic: if we are using the flat24 model,
1229 * adjust pointer sizes.
1231 if (options.model != MODEL_FLAT24) {
1233 "*** warning: ds400 port small and large model experimental.\n");
1234 if (options.model == MODEL_LARGE)
1236 port->mem.default_local_map = xdata;
1237 port->mem.default_globl_map = xdata;
1241 port->mem.default_local_map = data;
1242 port->mem.default_globl_map = data;
1246 port->s.fptr_size = 3;
1247 port->s.gptr_size = 4;
1249 port->stack.isr_overhead += 2; /* Will save dpx on ISR entry. */
1251 port->stack.call_overhead += 2; /* This acounts for the extra byte
1252 * of return addres on the stack.
1253 * but is ugly. There must be a
1257 port->mem.default_local_map = xdata;
1258 port->mem.default_globl_map = xdata;
1260 if (!options.stack10bit)
1263 "*** error: ds400 port only supports the 10 bit stack mode.\n");
1265 if (!options.stack_loc) options.stack_loc = 0xffdc00;
1266 // assumes IDM1:0 = 1:0, CMA = 1.
1269 /* generate native code 16*16 mul/div */
1270 if (options.useAccelerator)
1271 port->support.muldiv=2;
1273 port->support.muldiv=1;
1275 /* Fixup the memory map for the stack; it is now in
1276 * far space and requires a FPOINTER to access it.
1279 istack->ptrType = FPOINTER;
1281 if (options.parms_in_bank1) {
1282 addSet(&preArgvSet, Safe_strdup("-DSDCC_PARMS_IN_BANK1"));
1285 // the DS400 rom calling interface uses register bank 3.
1288 } /* MODEL_FLAT24 */
1291 extern char * iComments2;
1293 static void _ds400_generateRomDataArea(FILE *fp, bool isMain)
1295 /* Only do this for the file containing main() */
1298 fprintf(fp, "%s", iComments2);
1299 fprintf(fp, "; the direct data area used by the DS80c400 ROM code.\n");
1300 fprintf(fp, "%s", iComments2);
1301 fprintf(fp, ".area ROMSEG (ABS,CON,DATA)\n\n");
1302 fprintf(fp, ".ds 24 ; 24 bytes of directs used starting at 0x68\n\n");
1306 static void _ds400_linkRomDataArea(FILE *fp)
1308 fprintf(fp, "-b ROMSEG = 0x0068\n");
1316 "DS80C400", /* Target name */
1320 TRUE, /* Emit glue around main */
1321 MODEL_SMALL | MODEL_LARGE | MODEL_FLAT24,
1327 "-plosgffc", /* Options with debug */
1328 "-plosgff", /* Options without debug */
1331 NULL /* no do_assemble function */
1347 /* Sizes: char, short, int, long, ptr, fptr, gptr, bit, float, max */
1348 1, 2, 2, 4, 1, 2, 3, 1, 4, 4
1363 "XISEG (XDATA)", // initialized xdata
1364 "XINIT (CODE)", // a code copy of xiseg
1369 { _ds400_generateRomDataArea, _ds400_linkRomDataArea },
1373 /* ds390 has an 16 bit mul & div */
1379 _ds390_parseOptions,
1381 _ds400_finaliseOptions,
1382 _ds390_setDefaultOptions,
1383 ds390_assignRegisters,
1386 _ds390_genAssemblerPreamble,
1387 NULL, /* no genAssemblerEnd */
1390 _ds390_reset_regparm,
1394 _ds390_nativeMulCheck,
1395 hasExtBitOp, /* hasExtBitOp */
1396 oclsExpense, /* oclsExpense */
1398 TRUE, /* little endian */
1401 1, /* transform <= to ! > */
1402 1, /* transform >= to ! < */
1403 1, /* transform != to !(a == b) */
1405 TRUE, /* we support array initializers. */
1407 __ds390_builtins, /* table of builtin functions */
1408 GPOINTER, /* treat unqualified pointers as "generic" pointers */
1409 1, /* reset labelKey to 1 */
1410 1, /* globals & local static allowed */