X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fpic%2Fmain.c;h=f355cd4406f23abd1ad8c1b25740908c4edf5946;hb=116a3506c0f00c82fbab6ca671873da43de4d102;hp=7fde90c9b0d0213985dce53adee20a076d84e097;hpb=f869af296bc5940bf580932b9f5b1ffd89d5de1f;p=fw%2Fsdcc diff --git a/src/pic/main.c b/src/pic/main.c index 7fde90c9..f355cd44 100644 --- a/src/pic/main.c +++ b/src/pic/main.c @@ -7,7 +7,8 @@ #include "common.h" #include "main.h" #include "ralloc.h" -#include "gen.h" +//#include "gen.h" + static char _defaultRules[] = { @@ -15,165 +16,185 @@ static char _defaultRules[] = }; /* list of key words used by msc51 */ -static char *_pic14_keywords[] = { - "at", - "bit", - "code", - "critical", - "data", - "far", - "idata", - "interrupt", - "near", - "pdata", - "reentrant", - "sfr", - "sbit", - "using", - "xdata", - "_data", - "_code", - "_generic", - "_near", - "_xdata", - "_pdata", - "_idata", - NULL +static char *_pic14_keywords[] = +{ + "at", + "bit", + "code", + "critical", + "data", + "far", + "idata", + "interrupt", + "near", + "pdata", + "reentrant", + "sfr", + "sbit", + "using", + "xdata", + "_data", + "_code", + "_generic", + "_near", + "_xdata", + "_pdata", + "_idata", + NULL }; +void pCodeInitRegisters(void); -void pic14_assignRegisters (eBBlock **ebbs, int count); +void pic14_assignRegisters (eBBlock ** ebbs, int count); -static int regParmFlg = 0; /* determine if we can register a parameter */ +static int regParmFlg = 0; /* determine if we can register a parameter */ -static void _pic14_init(void) +static void +_pic14_init (void) { - asm_addTree(&asm_asxxxx_mapping); + asm_addTree (&asm_asxxxx_mapping); + pCodeInitRegisters(); } -static void _pic14_reset_regparm() +static void +_pic14_reset_regparm () { - regParmFlg = 0; + regParmFlg = 0; } -static int _pic14_regparm( link *l) +static int +_pic14_regparm (sym_link * l) { - /* for this processor it is simple - can pass only the first parameter in a register */ - if (regParmFlg) - return 0; + /* for this processor it is simple + can pass only the first parameter in a register */ + if (regParmFlg) + return 0; - regParmFlg = 1; - return 1; + regParmFlg = 1; + return 1; } -static bool _pic14_parseOptions(int *pargc, char **argv, int *i) +static bool +_pic14_parseOptions (int *pargc, char **argv, int *i) { - /* TODO: allow port-specific command line options to specify - * segment names here. - */ - return FALSE; + /* TODO: allow port-specific command line options to specify + * segment names here. + */ + return FALSE; } -static void _pic14_finaliseOptions(void) +static void +_pic14_finaliseOptions (void) { - /* Hack-o-matic: if we are using the flat24 model, - * adjust pointer sizes. - */ - if (options.model == MODEL_FLAT24) + + port->mem.default_local_map = data; + port->mem.default_globl_map = data; +#if 0 + /* Hack-o-matic: if we are using the flat24 model, + * adjust pointer sizes. + */ + if (options.model == MODEL_FLAT24) { - - fprintf(stderr, "*** WARNING: you should use the '-mds390' option " - "for DS80C390 support. This code generator is " - "badly out of date and probably broken.\n"); - - port->s.fptr_size = 3; - port->s.gptr_size = 4; - port->stack.isr_overhead++; /* Will save dpx on ISR entry. */ - #if 1 - port->stack.call_overhead++; /* This acounts for the extra byte - * of return addres on the stack. - * but is ugly. There must be a - * better way. - */ - #endif - fReturn = fReturn390; - fReturnSize = 5; - } - if (options.model == MODEL_LARGE) { - port->mem.default_local_map = xdata; - port->mem.default_globl_map = xdata; - } else { - port->mem.default_local_map = data; - port->mem.default_globl_map = data; + fprintf (stderr, "*** WARNING: you should use the '-mds390' option " + "for DS80C390 support. This code generator is " + "badly out of date and probably broken.\n"); + + port->s.fptr_size = 3; + port->s.gptr_size = 4; + port->stack.isr_overhead++; /* Will save dpx on ISR entry. */ +#if 1 + port->stack.call_overhead++; /* This acounts for the extra byte + * of return addres on the stack. + * but is ugly. There must be a + * better way. + */ +#endif + fReturn = fReturn390; + fReturnSize = 5; } - - if (options.stack10bit) + + if (options.model == MODEL_LARGE) { - if (options.model != MODEL_FLAT24) - { - fprintf(stderr, - "*** warning: 10 bit stack mode is only supported in flat24 model.\n"); - fprintf(stderr, "\t10 bit stack mode disabled.\n"); - options.stack10bit = 0; - } - else - { - /* Fixup the memory map for the stack; it is now in - * far space and requires a FPOINTER to access it. - */ - istack->fmap = 1; - istack->ptrType = FPOINTER; - } + port->mem.default_local_map = xdata; + port->mem.default_globl_map = xdata; } + else + { + port->mem.default_local_map = data; + port->mem.default_globl_map = data; + } + + if (options.stack10bit) + { + if (options.model != MODEL_FLAT24) + { + fprintf (stderr, + "*** warning: 10 bit stack mode is only supported in flat24 model.\n"); + fprintf (stderr, "\t10 bit stack mode disabled.\n"); + options.stack10bit = 0; + } + else + { + /* Fixup the memory map for the stack; it is now in + * far space and requires a FPOINTER to access it. + */ + istack->fmap = 1; + istack->ptrType = FPOINTER; + } + } +#endif } -static void _pic14_setDefaultOptions(void) +static void +_pic14_setDefaultOptions (void) { } -static const char *_pic14_getRegName(struct regs *reg) +static const char * +_pic14_getRegName (struct regs *reg) { - if (reg) - return reg->name; - return "err"; + if (reg) + return reg->name; + return "err"; } -static void _pic14_genAssemblerPreamble(FILE *of) +static void +_pic14_genAssemblerPreamble (FILE * of) { - fprintf(of,"\tlist\tp=16c84\n"); - fprintf(of,"\t__config _wdt_off\n"); - fprintf(of,"\ninclude \"p16c84.inc\"\n"); + fprintf (of, "\tlist\tp=16c84\n"); + fprintf (of, "\t__config _wdt_off\n"); + fprintf (of, "\ninclude \"p16c84.inc\"\n"); } /* Generate interrupt vector table. */ -static int _pic14_genIVT(FILE *of, symbol **interrupts, int maxInterrupts) +static int +_pic14_genIVT (FILE * of, symbol ** interrupts, int maxInterrupts) { - int i; - - if (options.model != MODEL_FLAT24) + int i; + + if (options.model != MODEL_FLAT24) { - /* Let the default code handle it. */ - return FALSE; + /* Let the default code handle it. */ + return FALSE; } - - fprintf (of, "\t;ajmp\t__sdcc_gsinit_startup\n"); - - /* now for the other interrupts */ - for (i = 0; i < maxInterrupts; i++) + + fprintf (of, "\t;ajmp\t__sdcc_gsinit_startup\n"); + + /* now for the other interrupts */ + for (i = 0; i < maxInterrupts; i++) { - if (interrupts[i]) + if (interrupts[i]) { - fprintf(of, "\t;ljmp\t%s\n\t.ds\t4\n", interrupts[i]->rname); + fprintf (of, "\t;ljmp\t%s\n\t.ds\t4\n", interrupts[i]->rname); } - else + else { - fprintf(of, "\t;reti\n\t.ds\t7\n"); + fprintf (of, "\t;reti\n\t.ds\t7\n"); } } - - return TRUE; + + return TRUE; } /** $1 is always the basename. @@ -182,87 +203,96 @@ static int _pic14_genIVT(FILE *of, symbol **interrupts, int maxInterrupts) $l is the list of extra options that should be there somewhere... MUST be terminated with a NULL. */ -static const char *_linkCmd[] = { - "aslink", "-nf", "$1", NULL +static const char *_linkCmd[] = +{ + "aslink", "-nf", "$1", NULL }; -static const char *_asmCmd[] = { - "gpasm", NULL, NULL, NULL +static const char *_asmCmd[] = +{ + "gpasm", NULL, NULL, NULL }; /* Globals */ -PORT pic14_port = { - "pic14", - "MCU pic", /* Target name */ - { - TRUE, /* Emit glue around main */ - MODEL_SMALL | MODEL_LARGE | MODEL_FLAT24, - MODEL_SMALL - }, - { - _asmCmd, - NULL, - NULL, - //"-plosgffc", /* Options with debug */ - //"-plosgff", /* Options without debug */ - 0 - }, - { - _linkCmd, - NULL, - ".rel" - }, - { - _defaultRules - }, - { - /* Sizes: char, short, int, long, ptr, fptr, gptr, bit, float, max */ - 1, 1, 2, 4, 1, 2, 3, 1, 4, 4 - }, - { - "XSEG (XDATA)", - "STACK (DATA)", - "CSEG (CODE)", - "DSEG (DATA)", - "ISEG (DATA)", - "XSEG (XDATA)", - "BSEG (BIT)", - "RSEG (DATA)", - "GSINIT (CODE)", - "OSEG (OVR,DATA)", - "GSFINAL (CODE)", - "HOME (CODE)", - NULL, - NULL, - 1 - }, - { - +1, 1, 4, 1, 1, 0 - }, - /* pic14 has an 8 bit mul */ - { - 1, 0 - }, - "_", - _pic14_init, - _pic14_parseOptions, - _pic14_finaliseOptions, - _pic14_setDefaultOptions, - pic14_assignRegisters, - _pic14_getRegName , - _pic14_keywords, - _pic14_genAssemblerPreamble, - _pic14_genIVT , - _pic14_reset_regparm, - _pic14_regparm, +PORT pic_port = +{ + TARGET_ID_PIC, + "pic14", + "MCU pic", /* Target name */ + { + TRUE, /* Emit glue around main */ + MODEL_SMALL | MODEL_LARGE | MODEL_FLAT24, + MODEL_SMALL + }, + { + _asmCmd, + NULL, + NULL, + //"-plosgffc", /* Options with debug */ + //"-plosgff", /* Options without debug */ + 0, + ".asm" + }, + { + _linkCmd, NULL, - FALSE, - 0, /* leave lt */ - 0, /* leave gt */ - 1, /* transform <= to ! > */ - 1, /* transform >= to ! < */ - 1, /* transform != to !(a == b) */ - 0 /* leave == */ + ".rel" + }, + { + _defaultRules + }, + { + /* Sizes: char, short, int, long, ptr, fptr, gptr, bit, float, max */ + 1, 1, 2, 4, 1, 2, 1, 1, 4, 4 + /* TSD - I changed the size of gptr from 3 to 1. However, it should be + 2 so that we can accomodate the PIC's with 4 register banks (like the + 16f877) + */ + }, + { + "XSEG (XDATA)", + "STACK (DATA)", + "CSEG (CODE)", + "DSEG (DATA)", + "ISEG (DATA)", + "XSEG (XDATA)", + "BSEG (BIT)", + "RSEG (DATA)", + "GSINIT (CODE)", + "OSEG (OVR,DATA)", + "GSFINAL (CODE)", + "HOME (CODE)", + NULL, + NULL, + 1 + }, + { + +1, 1, 4, 1, 1, 0 + }, + /* pic14 has an 8 bit mul */ + { + 1, 0 + }, + "_", + _pic14_init, + _pic14_parseOptions, + _pic14_finaliseOptions, + _pic14_setDefaultOptions, + pic14_assignRegisters, + _pic14_getRegName, + _pic14_keywords, + _pic14_genAssemblerPreamble, + _pic14_genIVT, + _pic14_reset_regparm, + _pic14_regparm, + NULL, + FALSE, + 0, /* leave lt */ + 0, /* leave gt */ + 1, /* transform <= to ! > */ + 1, /* transform >= to ! < */ + 1, /* transform != to !(a == b) */ + 0, /* leave == */ + PORT_MAGIC }; -