X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fpic16%2Fmain.c;h=68172c6c07b7a5c0a843462ec27d509e527969f9;hb=3bd25d75bcad68055bb616dcc29dde8a2965965e;hp=2cdd52ba7642a041fb1b40804e4739d7523da28f;hpb=5fc7f9939fbe5ce0483efa27c0e749f7991a1fcf;p=fw%2Fsdcc diff --git a/src/pic16/main.c b/src/pic16/main.c index 2cdd52ba..68172c6c 100644 --- a/src/pic16/main.c +++ b/src/pic16/main.c @@ -4,7 +4,7 @@ Written by - Scott Dattalo scott@dattalo.com Ported to PIC16 by - Martin Dubuc m.debuc@rogers.com - + Note that mlh prepended _pic16_ on the static functions. Makes it easier to set a breakpoint using the debugger. @@ -13,12 +13,12 @@ under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. - + This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - + You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. @@ -31,7 +31,8 @@ #include "SDCCutil.h" #include "glue.h" #include "pcode.h" -//#include "gen.h" +#include "SDCCargs.h" +#include "dbuf_string.h" static char _defaultRules[] = @@ -43,42 +44,50 @@ static char _defaultRules[] = static char *_pic16_keywords[] = { "at", - "bit", "code", "critical", + "register", "data", "far", - "idata", "interrupt", "near", - "pdata", + //"pdata", "reentrant", "sfr", - "sbit", + "sfr16", "using", - "xdata", "_data", "_code", "_generic", "_near", - "_xdata", - "_pdata", - "_idata", + //"_pdata", "_naked", + "shadowregs", + "wparam", + "prodlp", + "prodhp", + "fsr0lp", + "fixed16x16", + +// "bit", +// "idata", +// "sbit", +// "xdata", +// "_xdata", +// "_idata", NULL }; pic16_sectioninfo_t pic16_sectioninfo; - extern char *pic16_processor_base_name(void); void pic16_pCodeInitRegisters(void); -void pic16_assignRegisters (eBBlock ** ebbs, int count); +void pic16_assignRegisters (ebbIndex *); -static int regParmFlg = 0; /* determine if we can register a parameter */ +static int regParmFlg = 0; /* determine if we can register a parameter */ pic16_options_t pic16_options; @@ -89,8 +98,7 @@ extern set *libFilesSet; /* Also defined in gen.h, but the #include is commented out */ /* for an unknowned reason. - EEP */ void pic16_emitDebuggerSymbol (char *); - -extern regs* newReg(short type, short pc_type, int rIdx, char *name, int size, int alias, operand *refop); + extern void pic16_emitConfigRegs(FILE *of); extern void pic16_emitIDRegs(FILE *of); @@ -99,403 +107,728 @@ extern void pic16_emitIDRegs(FILE *of); static void _pic16_init (void) { - asm_addTree (&asm_asxxxx_mapping); - pic16_pCodeInitRegisters(); - maxInterrupts = 2; - - /* set pic16 port options to defaults */ - pic16_options.no_banksel = 0; - pic16_options.opt_banksel = 0; - pic16_options.omit_configw = 0; - pic16_options.omit_ivt = 0; - pic16_options.leave_reset = 0; - pic16_options.stack_model = 0; /* 0 for 'small', 1 for 'large' */ - pic16_options.ivt_loc = 0x000000; /* default location of interrupt vectors */ - pic16_options.nodefaultlibs = 0; /* link default libraries */ - pic16_options.dumpcalltree = 0; + asm_addTree (&asm_asxxxx_mapping); + pic16_pCodeInitRegisters(); + maxInterrupts = 2; } static void -_pic16_reset_regparm () +_pic16_reset_regparm (void) { regParmFlg = 0; } static int -_pic16_regparm (sym_link * l) +_pic16_regparm (sym_link * l, bool reentrant) { - /* for this processor it is simple - can pass only the first parameter in a register */ - //if (regParmFlg) - // return 0; - - regParmFlg++;// = 1; - return 1; + /* force all parameters via SEND/RECEIVE */ + if(0 /*pic16_options.ip_stack*/) { + /* for this processor it is simple + * can pass only the first parameter in a register */ + if(regParmFlg)return 0; + regParmFlg++; + return 1; //regParmFlg; + } else { + /* otherwise pass all arguments in registers via SEND/RECEIVE */ + regParmFlg++;// = 1; + return regParmFlg; + } } -int initsfpnt=0; /* set to 1 if source provides a pragma for stack - * so glue() later emits code to initialize stack/frame pointers */ +int initsfpnt=0; /* set to 1 if source provides a pragma for stack + * so glue() later emits code to initialize stack/frame pointers */ set *absSymSet; -set *sectNames=NULL; /* list of section listed in pragma directives */ -set *sectSyms=NULL; /* list of symbols set in a specific section */ +set *sectNames=NULL; /* list of section listed in pragma directives */ +set *sectSyms=NULL; /* list of symbols set in a specific section */ +set *wparamList=NULL; + +#if 0 +/* This is an experimental code for #pragma inline + and is temporarily disabled for 2.5.0 release */ +set *asmInlineMap=NULL; +#endif /* 0 */ + +struct { + unsigned ignore: 1; + unsigned want_libc: 1; + unsigned want_libm: 1; + unsigned want_libio: 1; + unsigned want_libdebug: 1; +} libflags = { 0, 0, 0, 0, 0 }; + + +enum { + P_STACK = 1, + P_CODE, + P_UDATA, + P_LIBRARY +}; + +static int +do_pragma(int id, const char *name, const char *cp) +{ + struct pragma_token_s token; + int err = 0; + int processed = 1; + + init_pragma_token(&token); + + switch (id) + { + /* #pragma stack [stack-position] [stack-len] */ + case P_STACK: + { + unsigned int stackPos, stackLen; + regs *reg; + symbol *sym; + + cp = get_pragma_token(cp, &token); + if (TOKEN_INT != token.type) + { + err = 1; + break; + } + stackPos = token.val.int_val; + + cp = get_pragma_token(cp, &token); + if (TOKEN_INT != token.type) + { + err = 1; + break; + } + stackLen = token.val.int_val; + + cp = get_pragma_token(cp, &token); + if (TOKEN_EOL != token.type) + { + err = 1; + break; + } + + if (stackLen < 1) { + stackLen = 64; + fprintf(stderr, "%s:%d: warning: setting stack to default size %d (0x%04x)\n", + filename, lineno, stackLen, stackLen); + } + + /* check sanity of stack */ + if ((stackPos >> 8) != ((stackPos + stackLen - 1) >> 8)) { + fprintf (stderr, "%s:%u: warning: stack [0x%03X,0x%03X] crosses memory bank boundaries (not fully tested)\n", + filename, lineno, stackPos, stackPos + stackLen - 1); + } + + if (pic16) { + if (stackPos < pic16->acsSplitOfs) { + fprintf (stderr, "%s:%u: warning: stack [0x%03X, 0x%03X] intersects with the access bank [0x000,0x%03x] -- this is highly discouraged!\n", + filename, lineno, stackPos, stackPos + stackLen - 1, pic16->acsSplitOfs); + } + + if (stackPos+stackLen > 0xF00 + pic16->acsSplitOfs) { + fprintf (stderr, "%s:%u: warning: stack [0x%03X,0x%03X] intersects with special function registers [0x%03X,0xFFF]-- this is highly discouraged!\n", + filename, lineno, stackPos, stackPos + stackLen - 1, 0xF00 + pic16->acsSplitOfs); + } + + if (stackPos+stackLen > pic16->RAMsize) { + fprintf (stderr, "%s:%u: error: stack [0x%03X,0x%03X] is placed outside available memory [0x000,0x%03X]!\n", + filename, lineno, stackPos, stackPos + stackLen - 1, pic16->RAMsize-1); + err = 1; + break; + } + } + + reg = newReg(REG_SFR, PO_SFR_REGISTER, stackPos, "_stack", stackLen-1, 0, NULL); + addSet(&pic16_fix_udata, reg); + + reg = newReg(REG_SFR, PO_SFR_REGISTER, stackPos + stackLen-1, "_stack_end", 1, 0, NULL); + addSet(&pic16_fix_udata, reg); + + sym = newSymbol("stack", 0); + sprintf(sym->rname, "_%s", sym->name); + addSet(&publics, sym); + + sym = newSymbol("stack_end", 0); + sprintf(sym->rname, "_%s", sym->name); + addSet(&publics, sym); + + initsfpnt = 1; // force glue() to initialize stack/frame pointers */ + } + break; + + /* #pragma code [symbol] [location] */ + case P_CODE: + { + absSym *absS; + + cp = get_pragma_token(cp, &token); + if (TOKEN_STR != token.type) + goto code_err; + + absS = Safe_calloc(1, sizeof(absSym)); + sprintf(absS->name, "_%s", get_pragma_string(&token)); + + cp = get_pragma_token(cp, &token); + if (TOKEN_INT != token.type) + { + code_err: + //fprintf (stderr, "%s:%d: #pragma code [symbol] [location] -- symbol or location missing\n", filename, lineno); + err = 1; + break; + } + absS->address = token.val.int_val; + + cp = get_pragma_token(cp, &token); + if (TOKEN_EOL != token.type) + { + err = 1; + break; + } + + if ((absS->address % 2) != 0) { + absS->address--; + fprintf(stderr, "%s:%d: warning: code memory locations should be word aligned, will locate to 0x%06x instead\n", + filename, lineno, absS->address); + } + + addSet(&absSymSet, absS); +// fprintf(stderr, "%s:%d symbol %s will be placed in location 0x%06x in code memory\n", +// __FILE__, __LINE__, symname, absS->address); + } + break; + + /* #pragma udata [section-name] [symbol] */ + case P_UDATA: + { + char *sectname; + const char *symname; + symbol *nsym; + sectSym *ssym; + sectName *snam; + int found = 0; + + cp = get_pragma_token(cp, &token); + if (TOKEN_STR == token.type) + sectname = Safe_strdup(get_pragma_string(&token)); + else + { + err = 1; + break; + } + + cp = get_pragma_token(cp, &token); + if (TOKEN_STR == token.type) + symname = get_pragma_string(&token); + else + { + //fprintf (stderr, "%s:%d: #pragma udata [section-name] [symbol] -- section-name or symbol missing!\n", filename, lineno); + err = 1; + symname = NULL; + } + + while (symname) + { + ssym = Safe_calloc(1, sizeof(sectSym)); + ssym->name = Safe_calloc(1, strlen(symname) + 2); + sprintf(ssym->name, "%s%s", port->fun_prefix, symname); + ssym->reg = NULL; + + addSet(§Syms, ssym); + + nsym = newSymbol((char *)symname, 0); + strcpy(nsym->rname, ssym->name); + +#if 0 + checkAddSym(&publics, nsym); +#endif + + found = 0; + for (snam = setFirstItem(sectNames);snam;snam=setNextItem(sectNames)) + { + if (!strcmp(sectname, snam->name)) + { + found=1; + break; + } + } + + if(!found) + { + snam = Safe_calloc(1, sizeof(sectName)); + snam->name = Safe_strdup(sectname); + snam->regsSet = NULL; + + addSet(§Names, snam); + } + + ssym->section = snam; + +#if 0 + fprintf(stderr, "%s:%d placing symbol %s at section %s (%p)\n", __FILE__, __LINE__, + ssym->name, snam->name, snam); +#endif + + cp = get_pragma_token(cp, &token); + if (TOKEN_STR == token.type) + symname = get_pragma_string(&token); + else if (TOKEN_EOL == token.type) + symname = NULL; + else + { + err = 1; + symname = NULL; + } + } + + Safe_free(sectname); + } + break; + + /* #pragma library library_module */ + case P_LIBRARY: + { + const char *lmodule; + + cp = get_pragma_token(cp, &token); + if (TOKEN_EOL != token.type) + { + lmodule = get_pragma_string(&token); + + /* lmodule can be: + * c link the C library + * math link the math library + * io link the IO library + * debug link the debug libary + * anything else, will link as-is */ + + if(!strcmp(lmodule, "c")) + libflags.want_libc = 1; + else if(!strcmp(lmodule, "math")) + libflags.want_libm = 1; + else if(!strcmp(lmodule, "io")) + libflags.want_libio = 1; + else if(!strcmp(lmodule, "debug")) + libflags.want_libdebug = 1; + else if(!strcmp(lmodule, "ignore")) + libflags.ignore = 1; + else + { + if(!libflags.ignore) + { + fprintf(stderr, "link library %s\n", lmodule); + addSetHead(&libFilesSet, (char *)lmodule); + } + } + } + else + { + err = 1; + break; + } + + cp = get_pragma_token(cp, &token); + if (TOKEN_EOL != token.type) + { + err = 1; + break; + } + } + break; + +#if 0 + /* This is an experimental code for #pragma inline + and is temporarily disabled for 2.5.0 release */ + case P_INLINE: + { + char *tmp = strtok((char *)NULL, WHITECOMMA); + + while(tmp) { + addSet(&asmInlineMap, Safe_strdup( tmp )); + tmp = strtok((char *)NULL, WHITECOMMA); + } + + { + char *s; + + for(s = setFirstItem(asmInlineMap); s ; s = setNextItem(asmInlineMap)) { + debugf("inline asm: `%s'\n", s); + } + } + } + break; +#endif /* 0 */ + + default: + processed = 0; + break; + } + + get_pragma_token(cp, &token); + + if (1 == err) + werror(W_BAD_PRAGMA_ARGUMENTS, name); + + free_pragma_token(&token); + return processed; +} +static struct pragma_s pragma_tbl[] = { + { "stack", P_STACK, 0, do_pragma }, + { "code", P_CODE, 0, do_pragma }, + { "udata", P_UDATA, 0, do_pragma }, + { "library", P_LIBRARY, 0, do_pragma }, +/*{ "inline", P_INLINE, 0, do_pragma }, */ + { NULL, 0, 0, NULL }, + }; static int -_process_pragma(const char *sz) +_process_pragma(const char *s) { - static const char *WHITE = " \t\n"; - - char *ptr = strtok((char *)sz, WHITE); - - /* #pragma maxram [maxram] */ - if (startsWith (ptr, "maxram")) { - char *maxRAM = strtok((char *)NULL, WHITE); - - if (maxRAM != (char *)NULL) { - int maxRAMaddress; - value *maxRAMVal; - - maxRAMVal = constVal(maxRAM); - maxRAMaddress = (int)floatFromVal(maxRAMVal); - pic16_setMaxRAM(maxRAMaddress); - } - } - - /* #pragma stack [stack-position] */ - if(startsWith(ptr, "stack")) { - char *stackPosS = strtok((char *)NULL, WHITE); - value *stackPosVal; - regs *reg; - symbol *sym; - -// fprintf(stderr, "Initializing stack pointer to 0x%x\n", (int)floatFromVal(constVal(stackPos))); - stackPosVal = constVal( stackPosS ); - stackPos = (unsigned int)floatFromVal( stackPosVal ); - - reg=newReg(REG_SFR, PO_SFR_REGISTER, stackPos, "_stack", 1, 0, NULL); - addSet(&pic16_fix_udata, reg); - - sym = newSymbol("stack", 0); - sprintf(sym->rname, "_%s", sym->name); - addSet(&publics, sym); - - initsfpnt = 1; // force glue() to initialize stack/frame pointers */ - - return 0; - } - - /* #pragma code [symbol] [location] */ - if(startsWith(ptr, "code")) { - char *symname = strtok((char *)NULL, WHITE); - char *location = strtok((char *)NULL, WHITE); - absSym *absS; - value *addr; - - absS = Safe_calloc(1, sizeof(absSym)); - absS->name = Safe_strdup( symname ); - addr = constVal( location ); - absS->address = (unsigned int)floatFromVal( addr ); - - addSet(&absSymSet, absS); - fprintf(stderr, "%s:%d symbol %s will be placed in location 0x%06x in code memory\n", - __FILE__, __LINE__, symname, absS->address); - - return 0; - } - - /* #pragma udata [section-name] [symbol] */ - if(startsWith(ptr, "udata")) { - char *sectname = strtok((char *)NULL, WHITE); - char *symname = strtok((char *)NULL, WHITE); - sectSym *ssym; - sectName *snam; - int found=0; - - while(symname) { - - ssym = Safe_calloc(1, sizeof(sectSyms)); - ssym->name = Safe_calloc(1, strlen(symname)+2); - sprintf(ssym->name, "_%s", symname); - ssym->reg = NULL; - - addSet(§Syms, ssym); - - found = 0; - for(snam=setFirstItem(sectNames);snam;snam=setNextItem(sectNames)) { - if(!strcmp(sectname, snam->name)){ found=1; break; } - } - - if(!found) { - snam = Safe_calloc(1, sizeof(sectNames)); - snam->name = Safe_strdup( sectname ); - snam->regsSet = NULL; - - addSet(§Names, snam); - } - - ssym->section = snam; - -// fprintf(stderr, "%s:%d placing symbol %s at section %s (%p)\n", __FILE__, __LINE__, -// ssym->name, snam->name, snam); - - symname = strtok((char *)NULL, WHITE); - } - - return 0; - } - - return 1; + return process_pragma_tbl(pragma_tbl, s); } -#define REP_UDATA "--preplace-udata-with=" +#define REP_UDATA "--preplace-udata-with=" + +#define STACK_MODEL "--pstack-model=" +#define OPT_BANKSEL "--obanksel=" -#define STACK_MODEL "--pstack-model=" -#define OPT_BANKSEL "--obanksel=" +#define ALT_ASM "--asm=" +#define ALT_LINK "--link=" -#define ALT_ASM "--asm=" -#define ALT_LINK "--link=" +#define IVT_LOC "--ivt-loc=" +#define NO_DEFLIBS "--nodefaultlibs" +#define MPLAB_COMPAT "--mplab-comp" -#define IVT_LOC "--ivt-loc" -#define NO_DEFLIBS "--nodefaultlibs" +#define USE_CRT "--use-crt=" +#define OFMSG_LRSUPPORT "--flr-support" -char *alt_asm=NULL; -char *alt_link=NULL; +#define NO_OPTIMIZE_GOTO "--no-optimize-goto" +#define OPTIMIZE_CMP "--optimize-cmp" +#define OPTIMIZE_DF "--optimize-df" +char *alt_asm = NULL; +char *alt_link = NULL; + +int pic16_mplab_comp = 0; extern int pic16_debug_verbose; extern int pic16_ralloc_debug; extern int pic16_pcode_verbose; -int pic16_enable_peeps=0; +int pic16_enable_peeps = 0; OPTION pic16_optionsTable[]= { - { 0, NO_DEFLIBS, &pic16_options.nodefaultlibs, "do not link default libraries when linking"}, - { 0, "--pno-banksel", &pic16_options.no_banksel, "do not generate BANKSEL assembler directives"}, - { 0, OPT_BANKSEL, NULL, "set banksel optimization level (default=0 no)"}, - { 0, "--pomit-config-words", &pic16_options.omit_configw, "omit the generation of configuration words"}, - { 0, "--pomit-ivt", &pic16_options.omit_ivt, "omit the generation of the Interrupt Vector Table"}, - { 0, "--pleave-reset-vector",&pic16_options.leave_reset, "when omitting IVT leave RESET vector"}, - { 0, STACK_MODEL, NULL, "use stack model 'small' (default) or 'large'"}, - - { 0, "--debug-xtra", &pic16_debug_verbose, "show more debug info in assembly output"}, - { 0, "--debug-ralloc", &pic16_ralloc_debug, "dump register allocator debug file *.d"}, - { 0, "--pcode-verbose", &pic16_pcode_verbose, "dump pcode related info"}, - - { 0, REP_UDATA, NULL, "Place udata variables at another section: udata_acs, udata_ovr, udata_shr"}, - - { 0, ALT_ASM, NULL, "Use alternative assembler"}, - { 0, ALT_LINK, NULL, "Use alternative linker"}, - - { 0, "--denable-peeps", &pic16_enable_peeps, "explicit enable of peepholes"}, - { 0, IVT_LOC, NULL, " interrupt vector table location"}, - { 0, "--calltree", &pic16_options.dumpcalltree, "dump call tree in .calltree file"}, - { 0, NULL, NULL, NULL} - }; - + /* code generation options */ + { 0, STACK_MODEL, NULL, "use stack model 'small' (default) or 'large'"}, +#if XINST + { 'y', "--extended", &pic16_options.xinst, "enable Extended Instruction Set/Literal Offset Addressing mode"}, +#endif + { 0, "--pno-banksel", &pic16_options.no_banksel, "do not generate BANKSEL assembler directives"}, + + /* optimization options */ + { 0, OPT_BANKSEL, &pic16_options.opt_banksel, "set banksel optimization level (default=0 no)", CLAT_INTEGER }, + { 0, "--denable-peeps", &pic16_enable_peeps, "explicit enable of peepholes"}, + { 0, NO_OPTIMIZE_GOTO, NULL, "do NOT use (conditional) BRA instead of GOTO"}, + { 0, OPTIMIZE_CMP, NULL, "try to optimize some compares"}, + { 0, OPTIMIZE_DF, NULL, "thoroughly analyze data flow (memory and time intensive!)"}, + + /* assembling options */ + { 0, ALT_ASM, &alt_asm, "Use alternative assembler", CLAT_STRING}, + { 0, MPLAB_COMPAT, &pic16_mplab_comp, "enable compatibility mode for MPLAB utilities (MPASM/MPLINK)"}, + + /* linking options */ + { 0, ALT_LINK, &alt_link, "Use alternative linker", CLAT_STRING }, + { 0, REP_UDATA, &pic16_sectioninfo.at_udata, "Place udata variables at another section: udata_acs, udata_ovr, udata_shr", CLAT_STRING }, + { 0, IVT_LOC, NULL, "Set address of interrupt vector table."}, + { 0, NO_DEFLIBS, &pic16_options.nodefaultlibs, "do not link default libraries when linking"}, + { 0, USE_CRT, NULL, "use run-time initialization module"}, + { 0, "--no-crt", &pic16_options.no_crt, "do not link any default run-time initialization module"}, + + /* debugging options */ + { 0, "--debug-xtra", &pic16_debug_verbose, "show more debug info in assembly output"}, + { 0, "--debug-ralloc", &pic16_ralloc_debug, "dump register allocator debug file *.d"}, + { 0, "--pcode-verbose", &pic16_pcode_verbose, "dump pcode related info"}, + { 0, "--calltree", &pic16_options.dumpcalltree, "dump call tree in .calltree file"}, + { 0, "--gstack", &pic16_options.gstack, "trace stack pointer push/pop to overflow"}, + { 0, NULL, NULL, NULL} +}; -#define ISOPT(str) !strncmp(argv[ *i ], str, strlen(str) ) -extern char *getStringArg(const char *, char **, int *, int); -extern int getIntArg(const char *, char **, int *, int); +#define ISOPT(str) !strncmp(argv[ *i ], str, strlen(str) ) static bool _pic16_parseOptions (int *pargc, char **argv, int *i) { int j=0; char *stkmodel; - + /* TODO: allow port-specific command line options to specify * segment names here. */ - /* check for arguments that have associated an integer variable */ - while(pic16_optionsTable[j].pparameter) { - if(ISOPT( pic16_optionsTable[j].longOpt )) { - (*pic16_optionsTable[j].pparameter)++; - return TRUE; - } - j++; - } - - - if(ISOPT(STACK_MODEL)) { - stkmodel = getStringArg(STACK_MODEL, argv, i, *pargc); - if(STRCASECMP(stkmodel, "small"))pic16_options.stack_model = 0; - else if(STRCASECMP(stkmodel, "large"))pic16_options.stack_model = 1; - else { - fprintf(stderr, "Unknown stack model: %s", stkmodel); - exit(-1); - } - return TRUE; - } - - if(ISOPT(OPT_BANKSEL)) { - pic16_options.opt_banksel = getIntArg(OPT_BANKSEL, argv, i, *pargc); - return TRUE; - } - - if(ISOPT(REP_UDATA)) { - pic16_sectioninfo.at_udata = Safe_strdup(getStringArg(REP_UDATA, argv, i, *pargc)); - return TRUE; - } - - if(ISOPT(ALT_ASM)) { - alt_asm = Safe_strdup(getStringArg(ALT_ASM, argv, i, *pargc)); - return TRUE; - } - - if(ISOPT(ALT_LINK)) { - alt_link = Safe_strdup(getStringArg(ALT_LINK, argv, i, *pargc)); - return TRUE; - } - - if(ISOPT(IVT_LOC)) { - pic16_options.ivt_loc = getIntArg(IVT_LOC, argv, i, *pargc); - return TRUE; - } + + /* check for arguments that have associated an integer variable */ + while(pic16_optionsTable[j].pparameter) { + if(ISOPT( pic16_optionsTable[j].longOpt )) { + (*(int *)pic16_optionsTable[j].pparameter)++; + return TRUE; + } + j++; + } + + if(ISOPT(STACK_MODEL)) { + stkmodel = getStringArg(STACK_MODEL, argv, i, *pargc); + if(!STRCASECMP(stkmodel, "small"))pic16_options.stack_model = 0; + else if(!STRCASECMP(stkmodel, "large"))pic16_options.stack_model = 1; + else { + fprintf(stderr, "Unknown stack model: %s", stkmodel); + exit(EXIT_FAILURE); + } + return TRUE; + } + + if(ISOPT(IVT_LOC)) { + pic16_options.ivt_loc = getIntArg(IVT_LOC, argv, i, *pargc); + fprintf(stderr, "%s:%d setting interrupt vector addresses 0x%x\n", __FILE__, __LINE__, pic16_options.ivt_loc); + return TRUE; + } + + if(ISOPT(USE_CRT)) { + pic16_options.no_crt = 0; + pic16_options.crt_name = Safe_strdup( getStringArg(USE_CRT, argv, i, *pargc) ); + + return TRUE; + } + +#if 0 + if(ISOPT(OFMSG_LRSUPPORT)) { + pic16_options.opt_flags |= OF_LR_SUPPORT; + return TRUE; + } +#endif + + if (ISOPT(NO_OPTIMIZE_GOTO)) { + pic16_options.opt_flags |= OF_NO_OPTIMIZE_GOTO; + return TRUE; + } + + if(ISOPT(OPTIMIZE_CMP)) { + pic16_options.opt_flags |= OF_OPTIMIZE_CMP; + return TRUE; + } + + if (ISOPT(OPTIMIZE_DF)) { + pic16_options.opt_flags |= OF_OPTIMIZE_DF; + return TRUE; + } + return FALSE; } +extern void pic16_init_pic(const char *name); + static void _pic16_initPaths(void) { - char pic16incDir[512]; - char pic16libDir[512]; - set *pic16incDirsSet; - set *pic16libDirsSet; - char devlib[512]; - - setMainValue("mcu", pic16->name[2] ); - addSet(&preArgvSet, Safe_strdup("-D{mcu}")); - - sprintf(pic16incDir, "%s%cpic16", INCLUDE_DIR_SUFFIX, DIR_SEPARATOR_CHAR); - sprintf(pic16libDir, "%s%cpic16", LIB_DIR_SUFFIX, DIR_SEPARATOR_CHAR); - - if(!options.nostdinc) { - /* setup pic16 include directory */ - pic16incDirsSet = appendStrSet(dataDirsSet, NULL, pic16incDir); - mergeSets(&includeDirsSet, pic16incDirsSet); - } - - if(!options.nostdlib) { - /* setup pic16 library directory */ - pic16libDirsSet = appendStrSet(dataDirsSet, NULL, pic16libDir); - mergeSets(&libDirsSet, pic16libDirsSet); - - if(!pic16_options.nodefaultlibs) { - /* now add the library for the device */ - sprintf(devlib, "%s.lib", pic16->name[2]); - addSet(&libFilesSet, Safe_strdup(devlib)); - } - } + set *pic16libDirsSet=NULL; + + if (!options.nostdlib) { + struct dbuf_s pic16libDir; + + dbuf_init(&pic16libDir, 128); + dbuf_makePath(&pic16libDir, LIB_DIR_SUFFIX, "pic16"); + pic16libDirsSet = appendStrSet(dataDirsSet, NULL, dbuf_c_str(&pic16libDir)); + dbuf_destroy(&pic16libDir); + mergeSets(&pic16libDirsSet, libDirsSet); + libDirsSet = pic16libDirsSet; + } + + /* now that we have the paths set up... */ + pic16_init_pic(port->processor); } +extern set *linkOptionsSet; +char *msprintf(hTab *pvals, const char *pformat, ...); +int my_system(const char *cmd); /* forward declarations */ extern const char *pic16_linkCmd[]; extern const char *pic16_asmCmd[]; +extern set *asmOptionsSet; + +/* custom function to link objects */ +static void _pic16_linkEdit(void) +{ + hTab *linkValues=NULL; + char lfrm[1024]; + char *lcmd; + char temp[1024]; + set *tSet=NULL; + int ret; + + /* + * link command format: + * {linker} {incdirs} {lflags} -o {outfile} {spec_ofiles} {ofiles} {libs} + * + */ + sprintf(lfrm, "{linker} {incdirs} {lflags} -w -r -o {outfile} {user_ofile} {ofiles} {spec_ofiles} {libs}"); + + shash_add(&linkValues, "linker", pic16_linkCmd[0]); + + mergeSets(&tSet, libPathsSet); + mergeSets(&tSet, libDirsSet); + + shash_add(&linkValues, "incdirs", joinStrSet( appendStrSet(tSet, "-I\"", "\""))); + shash_add(&linkValues, "lflags", joinStrSet(linkOptionsSet)); + + shash_add(&linkValues, "outfile", fullDstFileName ? fullDstFileName : dstFileName); + + if(fullSrcFileName) { + sprintf(temp, "%s.o", fullDstFileName ? fullDstFileName : dstFileName); +// addSetHead(&relFilesSet, Safe_strdup(temp)); + shash_add(&linkValues, "user_ofile", temp); + } + + if(!pic16_options.no_crt) + shash_add(&linkValues, "spec_ofiles", pic16_options.crt_name); + + shash_add(&linkValues, "ofiles", joinStrSet(relFilesSet)); + + if(!libflags.ignore) { + if(libflags.want_libc) + addSet(&libFilesSet, Safe_strdup("libc18f.lib")); + + if(libflags.want_libm) + addSet(&libFilesSet, Safe_strdup("libm18f.lib")); + + if(libflags.want_libio) { + sprintf(temp, "libio%s.lib", pic16->name[1]); /* build libio18f452.lib name */ + addSet(&libFilesSet, Safe_strdup(temp)); + } + + if(libflags.want_libdebug) + addSet(&libFilesSet, Safe_strdup("libdebug.lib")); + } + + shash_add(&linkValues, "libs", joinStrSet(libFilesSet)); + + lcmd = msprintf(linkValues, lfrm); + + ret = my_system( lcmd ); + + Safe_free( lcmd ); + + if(ret) + exit(1); +} + static void _pic16_finaliseOptions (void) { - port->mem.default_local_map = data; - port->mem.default_globl_map = data; - - /* peepholes are disabled for the time being */ - options.nopeep = 1; - - /* explicit enable peepholes for testing */ - if(pic16_enable_peeps) - options.nopeep = 0; - - options.all_callee_saves = 1; // always callee saves -// options.float_rent = 1; -// options.intlong_rent = 1; - - - if(alt_asm && strlen(alt_asm)) - pic16_asmCmd[0] = alt_asm; - - if(alt_link && strlen(alt_link)) - pic16_linkCmd[0] = alt_link; -} + port->mem.default_local_map = data; + port->mem.default_globl_map = data; + /* peepholes are disabled for the time being */ + options.nopeep = 1; + + /* explicit enable peepholes for testing */ + if (pic16_enable_peeps) + options.nopeep = 0; + + options.all_callee_saves = 1; // always callee saves -/* all the rest is commented ifdef'd out */ #if 0 - /* Hack-o-matic: if we are using the flat24 model, - * adjust pointer sizes. - */ - if (options.model == MODEL_FLAT24) + options.float_rent = 1; + options.intlong_rent = 1; +#endif + + setMainValue("mcu", pic16->name[2] ); + addSet(&preArgvSet, Safe_strdup("-D{mcu}")); + + setMainValue("mcu1", pic16->name[1] ); + addSet(&preArgvSet, Safe_strdup("-D__{mcu1}")); + + if (!pic16_options.nodefaultlibs) { + char devlib[512]; - fprintf (stderr, "*** WARNING: you should use the '-mds390' option " - "for DS80C390 support. This code generator is " - "badly out of date and probably broken.\n"); + /* now add the library for the device */ + sprintf(devlib, "libdev%s.lib", pic16->name[1]); /* e.g., libdev18f452.lib */ + addSet(&libFilesSet, Safe_strdup(devlib)); - 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; + /* add the internal SDCC library */ + addSet(&libFilesSet, Safe_strdup( "libsdcc.lib" )); } - if (options.model == MODEL_LARGE) + if (alt_asm && alt_asm[0] != '\0') { - port->mem.default_local_map = xdata; - port->mem.default_globl_map = xdata; + pic16_asmCmd[0] = alt_asm; } - else + + if (alt_link && alt_link[0] != '\0') { - port->mem.default_local_map = data; - port->mem.default_globl_map = data; + pic16_linkCmd[0] = alt_link; } - if (options.stack10bit) + if (!pic16_options.no_crt) { - 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; - } + pic16_options.omit_ivt = 1; + pic16_options.leave_reset = 0; + } + + if (options.model == MODEL_SMALL) + { + addSet(&asmOptionsSet, Safe_strdup("-DSDCC_MODEL_SMALL")); + } + else if (options.model == MODEL_LARGE) + { + char buf[128]; + + addSet(&asmOptionsSet, Safe_strdup("-DSDCC_MODEL_LARGE")); + + sprintf(buf, "-D%s -D__%s", pic16->name[2], pic16->name[1]); + *(strrchr(buf, 'f')) = 'F'; + addSet(&asmOptionsSet, Safe_strdup(buf)); } -#endif + + if (STACK_MODEL_LARGE) + { + addSet(&preArgvSet, Safe_strdup("-DSTACK_MODEL_LARGE")); + addSet(&asmOptionsSet, Safe_strdup("-DSTACK_MODEL_LARGE")); + } + else + { + addSet(&preArgvSet, Safe_strdup("-DSTACK_MODEL_SMALL")); + addSet(&asmOptionsSet, Safe_strdup("-DSTACK_MODEL_SMALL")); + } +} static void _pic16_setDefaultOptions (void) { - /* initialize to defaults section locations, names and addresses */ - pic16_sectioninfo.at_udata = "udata"; - - /* set pic16 port options to defaults */ - pic16_options.no_banksel = 0; - pic16_options.opt_banksel = 0; - pic16_options.omit_configw = 0; - pic16_options.omit_ivt = 0; - pic16_options.leave_reset = 0; - pic16_options.stack_model = 0; /* 0 for 'small', 1 for 'large' */ - pic16_options.ivt_loc = 0x000000; - pic16_options.nodefaultlibs = 0; - pic16_options.dumpcalltree = 0; + options.stackAuto = 0; /* implicit declaration */ + /* port is not capable yet to allocate separate registers + * dedicated for passing certain parameters */ + + /* initialize to defaults section locations, names and addresses */ + pic16_sectioninfo.at_udata = "udata"; + + /* set pic16 port options to defaults */ + pic16_options.no_banksel = 0; + pic16_options.opt_banksel = 0; + pic16_options.omit_configw = 0; + pic16_options.omit_ivt = 0; + pic16_options.leave_reset = 0; + pic16_options.stack_model = 0; /* 0 for 'small', 1 for 'large' */ + pic16_options.ivt_loc = 0x000000; + pic16_options.nodefaultlibs = 0; + pic16_options.dumpcalltree = 0; + pic16_options.crt_name = "crt0i.o"; /* the default crt to link */ + pic16_options.no_crt = 0; /* use crt by default */ + pic16_options.ip_stack = 1; /* set to 1 to enable ipop/ipush for stack */ + pic16_options.gstack = 0; + pic16_options.debgen = 0; } static const char * @@ -510,7 +843,7 @@ _pic16_getRegName (struct regs *reg) #if 1 static char *_pic16_mangleFunctionName(char *sz) { -// fprintf(stderr, "mangled function name: %s\n", sz); +// fprintf(stderr, "mangled function name: %s\n", sz); return sz; } @@ -522,55 +855,59 @@ _pic16_genAssemblerPreamble (FILE * of) { char *name = pic16_processor_base_name(); - if(!name) { - name = "p18f452"; - fprintf(stderr,"WARNING: No Pic has been selected, defaulting to %s\n",name); - } + if(!name) { + name = "p18f452"; + fprintf(stderr,"WARNING: No Pic has been selected, defaulting to %s\n",name); + } - fprintf (of, "\tlist\tp=%s\n",&name[1]); + fprintf (of, "\tlist\tp=%s\n",&name[1]); + if (pic16_mplab_comp) { + // provide ACCESS macro used during SFR accesses + fprintf (of, "\tinclude \n", &name[1]); + } + + if(!pic16_options.omit_configw) { + pic16_emitConfigRegs(of); + fprintf(of, "\n"); + pic16_emitIDRegs(of); + } - if(!pic16_options.omit_configw) { - pic16_emitConfigRegs(of); - fprintf(of, "\n"); - pic16_emitIDRegs(of); - } - fprintf (of, "\tradix dec\n"); } /* Generate interrupt vector table. */ static int -_pic16_genIVT (FILE * of, symbol ** interrupts, int maxInterrupts) +_pic16_genIVT (struct dbuf_s * oBuf, symbol ** interrupts, int maxInterrupts) { #if 1 - /* PIC18F family has only two interrupts, the high and the low - * priority interrupts, which reside at 0x0008 and 0x0018 respectively - VR */ - - if((!pic16_options.omit_ivt) || (pic16_options.omit_ivt && pic16_options.leave_reset)) { - fprintf(of, "; RESET vector\n"); - fprintf(of, "\tgoto\t__sdcc_gsinit_startup\n"); - } - - if(!pic16_options.omit_ivt) { - fprintf(of, "\tres 4\n"); - - - fprintf(of, "; High priority interrupt vector 0x0008\n"); - if(interrupts[1]) { - fprintf(of, "\tgoto\t%s\n", interrupts[1]->rname); - fprintf(of, "\tres\t12\n"); - } else { - fprintf(of, "\tretfie\n"); - fprintf(of, "\tres\t14\n"); - } - - fprintf(of, "; Low priority interrupt vector 0x0018\n"); - if(interrupts[2]) { - fprintf(of, "\tgoto\t%s\n", interrupts[2]->rname); - } else { - fprintf(of, "\tretfie\n"); - } - } + /* PIC18F family has only two interrupts, the high and the low + * priority interrupts, which reside at 0x0008 and 0x0018 respectively - VR */ + + if((!pic16_options.omit_ivt) || (pic16_options.omit_ivt && pic16_options.leave_reset)) { + dbuf_printf(oBuf, "; RESET vector\n"); + dbuf_printf(oBuf, "\tgoto\t__sdcc_gsinit_startup\n"); + } + + if(!pic16_options.omit_ivt) { + dbuf_printf(oBuf, "\tres 4\n"); + + + dbuf_printf(oBuf, "; High priority interrupt vector 0x0008\n"); + if(interrupts[1]) { + dbuf_printf(oBuf, "\tgoto\t%s\n", interrupts[1]->rname); + dbuf_printf(oBuf, "\tres\t12\n"); + } else { + dbuf_printf(oBuf, "\tretfie\n"); + dbuf_printf(oBuf, "\tres\t14\n"); + } + + dbuf_printf(oBuf, "; Low priority interrupt vector 0x0018\n"); + if(interrupts[2]) { + dbuf_printf(oBuf, "\tgoto\t%s\n", interrupts[2]->rname); + } else { + dbuf_printf(oBuf, "\tretfie\n"); + } + } #endif return TRUE; } @@ -579,21 +916,114 @@ _pic16_genIVT (FILE * of, symbol ** interrupts, int maxInterrupts) * False to convert it to function call */ static bool _hasNativeMulFor (iCode *ic, sym_link *left, sym_link *right) { -// fprintf(stderr,"checking for native mult for %c (size: %d)\n", ic->op, getSize(OP_SYMBOL(IC_RESULT(ic))->type)); + //fprintf(stderr,"checking for native mult for %c (size: %d)\n", ic->op, getSize(OP_SYMBOL(IC_RESULT(ic))->type)); + int symL, symR, symRes, sizeL = 0, sizeR = 0, sizeRes = 0; + + /* left/right are symbols? */ + symL = IS_SYMOP(IC_LEFT(ic)); + symR = IS_SYMOP(IC_RIGHT(ic)); + symRes = IS_SYMOP(IC_RESULT(ic)); + + /* --> then determine their sizes */ + sizeL = symL ? getSize(OP_SYM_TYPE(IC_LEFT(ic))) : 4; + sizeR = symR ? getSize(OP_SYM_TYPE(IC_RIGHT(ic))) : 4; + sizeRes = symRes ? getSize(OP_SYM_TYPE(IC_RESULT(ic))) : 4; + + /* Checks to enable native multiplication. + * PICs do not offer native division at all... + * + * Ideas: + * ( i) if result is just one byte, use native MUL + * (regardless of the operands) + * ( ii) if left and right are unsigned 8-bit operands, + * use native MUL + * (iii) if left or right is a literal in the range of [-128..256) + * and the other is an unsigned byte, use native MUL + */ + if (ic->op == '*') + { + /* use native mult for `*: x --> {u8_t, s8_t}' */ + if (sizeRes == 1) { return TRUE; } + + /* use native mult for `u8_t x u8_t --> { u16_t, s16_t }' */ + if (sizeL == 1 && symL /*&& SPEC_USIGN(OP_SYM_TYPE(IC_LEFT(ic)))*/) { + sizeL = 1; + } else { + //printf( "%s: left too large (%u) / signed (%u)\n", __FUNCTION__, sizeL, symL && !SPEC_USIGN(OP_SYM_TYPE(IC_LEFT(ic)))); + sizeL = 4; + } + if (sizeR == 1 && symR /*&& SPEC_USIGN(OP_SYM_TYPE(IC_RIGHT(ic)))*/) { + sizeR = 1; + } else { + //printf( "%s: right too large (%u) / signed (%u)\n", __FUNCTION__, sizeR, symR && !SPEC_USIGN(OP_SYM_TYPE(IC_RIGHT(ic)))); + sizeR = 4; + } -#if 1 - /* multiplication is fixed */ - /* support mul for char/int/long */ - if((getSize(OP_SYMBOL(IC_LEFT(ic))->type ) <= 4) - && (ic->op == '*'))return TRUE; -#endif + /* also allow literals [-128..256) for left/right operands */ + if (IS_VALOP(IC_LEFT(ic))) + { + long l = (long) ulFromVal ( OP_VALUE( IC_LEFT(ic) ) ); + sizeL = 4; + //printf( "%s: val(left) = %ld\n", __FUNCTION__, l ); + if (l >= -128 && l < 256) + { + sizeL = 1; + } else { + //printf( "%s: left value %ld outside [-128..256)\n", __FUNCTION__, l ); + } + } + if (IS_VALOP( IC_RIGHT(ic) )) + { + long l = (long) ulFromVal ( OP_VALUE( IC_RIGHT(ic) ) ); + sizeR = 4; + //printf( "%s: val(right) = %ld\n", __FUNCTION__, l ); + if (l >= -128 && l < 256) + { + sizeR = 1; + } else { + //printf( "%s: right value %ld outside [-128..256)\n", __FUNCTION__, l ); + } + } + + /* use native mult iff left and right are (unsigned) 8-bit operands */ + if (sizeL == 1 && sizeR == 1) { return TRUE; } + } + + if (ic->op == '/' || ic->op == '%') + { + /* We must catch /: {u8_t,s8_t} x {u8_t,s8_t} --> {u8_t,s8_t}, + * because SDCC will call 'divuchar' even for u8_t / s8_t. + * Example: 128 / -2 becomes 128 / 254 = 0 != -64... */ + if (sizeL == 1 && sizeR == 1) return TRUE; + + /* What about literals? */ + if (IS_VALOP( IC_LEFT(ic) )) + { + long l = (long) ulFromVal ( OP_VALUE( IC_LEFT(ic) ) ); + sizeL = 4; + //printf( "%s: val(left) = %ld\n", __FUNCTION__, l ); + if (l >= -128 && l < 256) + { + sizeL = 1; + } else { + //printf( "%s: left value %ld outside [-128..256)\n", __FUNCTION__, l ); + } + } + if (IS_VALOP( IC_RIGHT(ic) )) + { + long l = (long) ulFromVal ( OP_VALUE( IC_RIGHT(ic) ) ); + sizeR = 4; + //printf( "%s: val(right) = %ld\n", __FUNCTION__, l ); + if (l >= -128 && l < 256) + { + sizeR = 1; + } else { + //printf( "%s: right value %ld outside [-128..256)\n", __FUNCTION__, l ); + } + } + if (sizeL == 1 && sizeR == 1) { return TRUE; } + } -#if 0 - /* support div for char/int/long */ - if((getSize(OP_SYMBOL(IC_LEFT(ic))->type ) <= 0) - && (ic->op == '/'))return TRUE; -#endif - return FALSE; } @@ -606,16 +1036,16 @@ static bool cseCostEstimation (iCode *ic, iCode *pdic) // sym_link *result_type = operandType(result); - /* VR -- this is an adhoc. Put here after conversation - * with Erik Epetrich */ + /* VR -- this is an adhoc. Put here after conversation + * with Erik Epetrich */ - if(ic->op == '<' - || ic->op == '>' - || ic->op == EQ_OP) { + if(ic->op == '<' + || ic->op == '>' + || ic->op == EQ_OP) { - fprintf(stderr, "%d %s\n", __LINE__, __FUNCTION__); - return 0; - } + fprintf(stderr, "%d %s\n", __LINE__, __FUNCTION__); + return 0; + } #if 0 /* if it is a pointer then return ok for now */ @@ -659,11 +1089,11 @@ oclsExpense (struct memmap *oclass) /* free to remove this test -- EEP */ if (IN_FARSPACE(oclass)) return 1; - + return 0; } -/** $1 is the input object file (PIC16 specific) // >>always the basename<<. +/** $1 is the input object file (PIC16 specific) // >>always the basename<<. $2 is always the output file. $3 -L path and -l libraries $l is the list of extra options that should be there somewhere... @@ -671,7 +1101,7 @@ oclsExpense (struct memmap *oclass) */ const char *pic16_linkCmd[] = { - "gplink", "$l", "-o \"$2\"", "\"$1\"","$3", NULL + "gplink", "$l", "-w", "-r", "-o \"$2\"", "\"$1\"","$3", NULL }; @@ -693,77 +1123,91 @@ PORT pic16_port = { TARGET_ID_PIC16, "pic16", - "MCU PIC16", /* Target name */ - "p18f452", /* Processor */ + "MCU PIC16", /* Target name */ + "p18f452", /* Processor */ { pic16glue, - TRUE, /* Emit glue around main */ + TRUE, /* Emit glue around main */ MODEL_SMALL | MODEL_LARGE | MODEL_FLAT24, MODEL_SMALL }, { - pic16_asmCmd, /* assembler command and arguments */ - NULL, /* alternate macro based form */ - "-g", /* arguments for debug mode */ - NULL, /* arguments for normal mode */ - 0, /* print externs as global */ - ".asm", /* assembler file extension */ - NULL /* no do_assemble function */ + pic16_asmCmd, /* assembler command and arguments */ + NULL, /* alternate macro based form */ + "-g", /* arguments for debug mode */ + NULL, /* arguments for normal mode */ + 0, /* print externs as global */ + ".asm", /* assembler file extension */ + NULL /* no do_assemble function */ }, { - pic16_linkCmd, /* linker command and arguments */ - NULL, /* alternate macro based form */ - NULL, /* no do_link function */ - ".o", /* extension for object files */ - 0 /* no need for linker file */ + NULL, // pic16_linkCmd, /* linker command and arguments */ + NULL, /* alternate macro based form */ + _pic16_linkEdit, //NULL, /* no do_link function */ + ".o", /* extension for object files */ + 0 /* no need for linker file */ }, { _defaultRules }, { - /* Sizes */ - 1, /* char */ - 2, /* short */ - 2, /* int */ - 4, /* long */ - 2, /* ptr */ - 3, /* fptr, far pointers (see Microchip) */ - 2, /* gptr */ - 1, /* bit */ - 4, /* float */ - 4 /* max */ + /* Sizes */ + 1, /* char */ + 2, /* short */ + 2, /* int */ + 4, /* long */ + 2, /* ptr */ + 3, /* fptr, far pointers (see Microchip) */ + 3, /* gptr */ + 1, /* bit */ + 4, /* float */ + 4 /* max */ + }, + + /* generic pointer tags */ + { + 0x00, /* far */ + 0x80, /* near */ + 0x00, /* xstack */ + 0x00 /* code */ }, + { - "XSEG (XDATA)", // xstack - "STACK (DATA)", // istack - "CSEG (CODE)", // code - "DSEG (DATA)", // data - "ISEG (DATA)", // idata - "XSEG (XDATA)", // xdata - "BSEG (BIT)", // bit - "RSEG (DATA)", // reg - "GSINIT (CODE)", // static - "OSEG (OVR,DATA)", // overlay - "GSFINAL (CODE)", // post static - "HOME (CODE)", // home - NULL, // xidata - NULL, // xinit - NULL, // default location for auto vars - NULL, // default location for global vars - 1 // code is read only 1=yes + "XSEG (XDATA)", // xstack + "STACK (DATA)", // istack + "CSEG (CODE)", // code + "DSEG (DATA)", // data + "ISEG (DATA)", // idata + "PSEG (DATA)", // pdata + "XSEG (XDATA)", // xdata + "BSEG (BIT)", // bit + "RSEG (DATA)", // reg + "GSINIT (CODE)", // static + "OSEG (OVR,DATA)", // overlay + "GSFINAL (CODE)", // post static + "HOME (CODE)", // home + NULL, // xidata + NULL, // xinit + "CONST (CODE)", // const_name - const data (code or not) + "CABS (ABS,CODE)", // cabs_name - const absolute data (code or not) + "XABS (ABS,XDATA)", // xabs_name - absolute xdata + "IABS (ABS,DATA)", // iabs_name - absolute data + NULL, // default location for auto vars + NULL, // default location for global vars + 1 // code is read only 1=yes }, { - NULL, /* genExtraAreaDeclaration */ - NULL /* genExatrAreaLinkOptions */ + NULL, /* genExtraAreaDeclaration */ + NULL /* genExatrAreaLinkOptions */ }, { - /* stack related information */ - -1, /* -1 stack grows downwards, +1 upwards */ - 1, /* extra overhead when calling between banks */ - 4, /* extra overhead when the function is an ISR */ - 1, /* extra overhead for a function call */ - 1, /* re-entrant space */ - 0 /* 'banked' call overhead, mild overlap with bank_overhead */ + /* stack related information */ + -1, /* -1 stack grows downwards, +1 upwards */ + 1, /* extra overhead when calling between banks */ + 4, /* extra overhead when the function is an ISR */ + 1, /* extra overhead for a function call */ + 1, /* re-entrant space */ + 0 /* 'banked' call overhead, mild overlap with bank_overhead */ }, /* pic16 has an 8 bit mul */ { @@ -772,6 +1216,16 @@ PORT pic16_port = { pic16_emitDebuggerSymbol }, + { + 255/3, /* maxCount */ + 3, /* sizeofElement */ + /* The rest of these costs are bogus. They approximate */ + /* the behavior of src/SDCCicode.c 1.207 and earlier. */ + {4,4,4}, /* sizeofMatchJump[] */ + {0,0,0}, /* sizeofRangeCompare[] */ + 0, /* sizeofSubtract */ + 3, /* sizeofDispatch */ + }, "_", _pic16_init, _pic16_parseOptions, @@ -783,30 +1237,30 @@ PORT pic16_port = _pic16_getRegName, _pic16_keywords, _pic16_genAssemblerPreamble, - NULL, /* no genAssemblerEnd */ + NULL, /* no genAssemblerEnd */ _pic16_genIVT, NULL, // _pic16_genXINIT - NULL, /* genInitStartup */ + NULL, /* genInitStartup */ _pic16_reset_regparm, _pic16_regparm, - _process_pragma, /* process a pragma */ - _pic16_mangleFunctionName, /* mangles function name */ + _process_pragma, /* process a pragma */ + _pic16_mangleFunctionName, /* mangles function name */ _hasNativeMulFor, - hasExtBitOp, /* hasExtBitOp */ - oclsExpense, /* oclsExpense */ - FALSE, - TRUE, /* little endian */ - 0, /* leave lt */ - 0, /* leave gt */ - 1, /* transform <= to ! > */ - 1, /* transform >= to ! < */ - 1, /* transform != to !(a == b) */ - 0, /* leave == */ - FALSE, /* No array initializer support. */ - 0, //cseCostEstimation, /* !!!no CSE cost estimation yet */ - NULL, /* no builtin functions */ - GPOINTER, /* treat unqualified pointers as "generic" pointers */ - 1, /* reset labelKey to 1 */ - 1, /* globals & local static allowed */ + hasExtBitOp, /* hasExtBitOp */ + oclsExpense, /* oclsExpense */ + FALSE, + TRUE, /* little endian */ + 0, /* leave lt */ + 0, /* leave gt */ + 1, /* transform <= to ! > */ + 1, /* transform >= to ! < */ + 1, /* transform != to !(a == b) */ + 0, /* leave == */ + FALSE, /* No array initializer support. */ + 0, //cseCostEstimation, /* !!!no CSE cost estimation yet */ + NULL, /* no builtin functions */ + GPOINTER, /* treat unqualified pointers as "generic" pointers */ + 1, /* reset labelKey to 1 */ + 1, /* globals & local static allowed */ PORT_MAGIC };