#include "SDCCutil.h"
#include "glue.h"
#include "pcode.h"
-//#include "gen.h"
+#include "dbuf_string.h"
static char _defaultRules[] =
static char *_pic16_keywords[] =
{
"at",
- "bit",
"code",
"critical",
+ "register",
"data",
"far",
- "idata",
"interrupt",
"near",
"pdata",
"reentrant",
"sfr",
- "sbit",
+ "sfr16",
"using",
- "xdata",
"_data",
"_code",
"_generic",
"_near",
- "_xdata",
"_pdata",
- "_idata",
"_naked",
+ "shadowregs",
+ "wparam",
+ "prodlp",
+ "prodhp",
+ "fsr0lp",
+ "fixed16x16",
+
+// "bit",
+// "idata",
+// "sbit",
+// "xdata",
+// "_xdata",
+// "_idata",
NULL
};
pic16_sectioninfo_t pic16_sectioninfo;
+int xinst=0;
+
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 */
/* 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);
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;
+ 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 0
- if(regParmFlg)return 0;
- regParmFlg = 1;
- return 1;
-#else
- regParmFlg++;// = 1;
- return 1;
-#endif
+ /* 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;
+ }
}
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_MAXRAM = 1,
+ P_STACK,
+ P_CODE,
+ P_UDATA,
+ P_LIBRARY
+};
static int
-_process_pragma(const char *sz)
+do_pragma(int id, const char *name, const char *cp)
{
- static const char *WHITE = " \t\n";
-
- char *ptr = strtok((char *)sz, WHITE);
+ struct pragma_token_s token;
+ int err = 0;
+ int processed = 1;
- /* #pragma maxram [maxram] */
- if (startsWith (ptr, "maxram")) {
- char *maxRAM = strtok((char *)NULL, WHITE);
+ init_pragma_token(&token);
- if (maxRAM != (char *)NULL) {
- int maxRAMaddress;
- value *maxRAMVal;
+ switch (id)
+ {
+ /* #pragma maxram [maxram] */
+ case P_MAXRAM:
+ {
+ int max_ram;
+
+ cp = get_pragma_token(cp, &token);
+ if (TOKEN_INT == token.type)
+ max_ram = token.val.int_val;
+ else
+ {
+ err = 1;
+ break;
+ }
+
+ cp = get_pragma_token(cp, &token);
+ if (TOKEN_EOL != token.type)
+ {
+ err = 1;
+ break;
+ }
+
+ pic16_setMaxRAM(max_ram);
+ }
+ break;
+
+ /* #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);
- maxRAMVal = constVal(maxRAM);
- maxRAMaddress = (int)floatFromVal(maxRAMVal);
- pic16_setMaxRAM(maxRAMaddress);
- }
- }
-
- /* #pragma stack [stack-position] [stack-len] */
- if(startsWith(ptr, "stack")) {
- char *stackPosS = strtok((char *)NULL, WHITE);
- char *stackLenS = strtok((char *)NULL, WHITE);
- value *stackPosVal;
- value *stackLenVal;
- regs *reg;
- symbol *sym;
-
- stackPosVal = constVal( stackPosS );
- stackPos = (unsigned int)floatFromVal( stackPosVal );
+#if 0
+ checkAddSym(&publics, nsym);
+#endif
-
- if(stackLenS) {
- stackLenVal = constVal( stackLenS );
- stackLen = (unsigned int)floatFromVal( stackLenVal );
- }
+ found = 0;
+ for (snam = setFirstItem(sectNames);snam;snam=setNextItem(sectNames))
+ {
+ if (!strcmp(sectname, snam->name))
+ {
+ found=1;
+ break;
+ }
+ }
- if(stackLen < 1) {
- stackLen = 64;
- fprintf(stderr, "%s:%d setting stack to default size 0x%x\n", __FILE__, __LINE__, stackLen);
- }
+ if(!found)
+ {
+ snam = Safe_calloc(1, sizeof(sectName));
+ snam->name = Safe_strdup(sectname);
+ snam->regsSet = NULL;
-// fprintf(stderr, "Initializing stack pointer at 0x%x len 0x%x\n", stackPos, stackLen);
-
- 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);
+ addSet(§Names, snam);
+ }
- sym = newSymbol("stack", 0);
- sprintf(sym->rname, "_%s", sym->name);
- addSet(&publics, sym);
+ ssym->section = snam;
- sym = newSymbol("stack_end", 0);
- sprintf(sym->rname, "_%s", sym->name);
- addSet(&publics, sym);
-
- initsfpnt = 1; // force glue() to initialize stack/frame pointers */
+#if 0
+ fprintf(stderr, "%s:%d placing symbol %s at section %s (%p)\n", __FILE__, __LINE__,
+ ssym->name, snam->name, snam);
+#endif
- 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);
+ 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;
- return 0;
- }
+#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;
+}
- /* #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);
- }
+static struct pragma_s pragma_tbl[] = {
+ { "maxram", P_MAXRAM, 0, do_pragma },
+ { "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 },
+ };
- return 0;
- }
-
- return 1;
+static int
+_process_pragma(const char *s)
+{
+ return process_pragma_tbl(pragma_tbl, s);
}
#define REP_UDATA "--preplace-udata-with="
#define ALT_ASM "--asm="
#define ALT_LINK "--link="
-#define IVT_LOC "--ivt-loc"
+#define IVT_LOC "--ivt-loc="
#define NO_DEFLIBS "--nodefaultlibs"
#define MPLAB_COMPAT "--mplab-comp"
+#define NL_OPT "--nl="
+#define USE_CRT "--use-crt="
+
+#define OFMSG_LRSUPPORT "--flr-support"
+
+#define OPTIMIZE_GOTO "--optimize-goto"
+#define OPTIMIZE_CMP "--optimize-cmp"
+#define OPTIMIZE_DF "--optimize-df"
+
char *alt_asm=NULL;
char *alt_link=NULL;
extern int pic16_ralloc_debug;
extern int pic16_pcode_verbose;
+int pic16_fstack=0;
int pic16_enable_peeps=0;
+int pic16_nl=0; /* 0 for LF, 1 for CRLF */
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, "--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, IVT_LOC, NULL, "<nnnn> interrupt vector table location"},
{ 0, "--calltree", &pic16_options.dumpcalltree, "dump call tree in .calltree file"},
{ 0, MPLAB_COMPAT, &pic16_mplab_comp, "enable compatibility mode for MPLAB utilities (MPASM/MPLINK)"},
+ { 0, "--fstack", &pic16_fstack, "enable stack optimizations"},
+ { 0, NL_OPT, NULL, "new line, \"lf\" or \"crlf\""},
+ { 0, USE_CRT, NULL, "use <crt-o> run-time initialization module"},
+ { 0, "--no-crt", &pic16_options.no_crt, "do not link any default run-time initialization module"},
+ { 0, "--gstack", &pic16_options.gstack, "trace stack pointer push/pop to overflow"},
+ { 0, OPTIMIZE_GOTO, NULL, "try to 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!)"},
+ { 0, "--num-func-alloc-regs", &pic16_options.CATregs, "dump number of temporary registers allocated for each function"},
+#if XINST
+ { 'y', "--extended", &xinst, "enable Extended Instruction Set/Literal Offset Addressing mode"},
+#endif
{ 0, NULL, NULL, NULL}
};
/* 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++;
- }
-
+
+ /* 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(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(OPT_BANKSEL)) {
- pic16_options.opt_banksel = getIntArg(OPT_BANKSEL, argv, i, *pargc);
- 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(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_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(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;
- }
+ 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(NL_OPT)) {
+ char *tmp;
+
+ tmp = Safe_strdup( getStringArg(NL_OPT, argv, i, *pargc) );
+ if(!STRCASECMP(tmp, "lf"))pic16_nl = 0;
+ else if(!STRCASECMP(tmp, "crlf"))pic16_nl = 1;
+ else {
+ fprintf(stderr, "invalid termination character id\n");
+ exit(EXIT_FAILURE);
+ }
+ 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(OPTIMIZE_GOTO)) {
+ pic16_options.opt_flags |= OF_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 set *userIncDirsSet;
+
static void _pic16_initPaths(void)
{
- char pic16incDir[512];
- char pic16libDir[512];
- set *pic16incDirsSet;
- set *pic16libDirsSet;
+ set *pic16incDirsSet=NULL;
+ set *pic16libDirsSet=NULL;
char devlib[512];
- setMainValue("mcu", pic16->name[2] );
- addSet(&preArgvSet, Safe_strdup("-D{mcu}"));
+ 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);
+ setMainValue("mcu1", pic16->name[1] );
+ addSet(&preArgvSet, Safe_strdup("-D__{mcu1}"));
- 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));
- }
+ if(!options.nostdinc) {
+ struct dbuf_s pic16incDir;
+
+ dbuf_init(&pic16incDir, 128);
+ dbuf_makePath(&pic16incDir, INCLUDE_DIR_SUFFIX, "pic16");
+
+ /* setup pic16 include directory */
+ pic16incDirsSet = appendStrSet(dataDirsSet, NULL, dbuf_c_str(&pic16incDir));
+ dbuf_destroy(&pic16incDir);
+ includeDirsSet = pic16incDirsSet;
+// mergeSets(&includeDirsSet, pic16incDirsSet);
+ }
+ /* pic16 port should not search to the SDCC standard include directories,
+ * so add here the deleted include dirs that user has issued in command line */
+ mergeSets(&pic16incDirsSet, userIncDirsSet);
+
+ if(!options.nostdlib) {
+ struct dbuf_s pic16libDir;
+
+ dbuf_init(&pic16libDir, 128);
+ dbuf_makePath(&pic16libDir, INCLUDE_DIR_SUFFIX, "pic16");
+ /* setup pic16 library directory */
+ pic16libDirsSet = appendStrSet(dataDirsSet, NULL, dbuf_c_str(&pic16libDir));
+ dbuf_destroy(&pic16libDir);
+ libDirsSet = pic16libDirsSet;
+// 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));
+
+ /* add the internal SDCC library */
+ addSet(&libFilesSet, Safe_strdup( "libsdcc.lib" ));
+ }
}
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[256];
+ char lfrm[1024];
char *lcmd;
- char temp[128];
+ char temp[1024];
set *tSet=NULL;
int ret;
* {linker} {incdirs} {lflags} -o {outfile} {spec_ofiles} {ofiles} {libs}
*
*/
-
- sprintf(lfrm, "{linker} {incdirs} {lflags} -o {outfile} {spec_ofiles} {ofiles} {libs}");
-
- shash_add(&linkValues, "linker", "gplink");
+ sprintf(lfrm, "{linker} {incdirs} {lflags} -w -r -o {outfile} {user_ofile} {ofiles} {spec_ofiles} {libs}");
+
+ shash_add(&linkValues, "linker", pic16_linkCmd[0]);
mergeSets(&tSet, libDirsSet);
mergeSets(&tSet, libPathsSet);
shash_add(&linkValues, "incdirs", joinStrSet( appendStrSet(tSet, "-I\"", "\"")));
shash_add(&linkValues, "lflags", joinStrSet(linkOptionsSet));
- shash_add(&linkValues, "outfile", dstFileName);
+ shash_add(&linkValues, "outfile", fullDstFileName ? fullDstFileName : dstFileName);
if(fullSrcFileName) {
- sprintf(temp, "%s.o", dstFileName);
-// shash_add(&linkValues, "srcofile", temp);
- addSetHead(&relFilesSet, temp);
+ sprintf(temp, "%s.o", fullDstFileName ? fullDstFileName : dstFileName);
+// addSetHead(&relFilesSet, Safe_strdup(temp));
+ shash_add(&linkValues, "user_ofile", temp);
}
-// shash_add(&linkValues, "spec_ofiles", "crt0i.o");
+ 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);
}
-/* forward declarations */
-extern const char *pic16_linkCmd[];
-extern const char *pic16_asmCmd[];
-
static void
_pic16_finaliseOptions (void)
{
- port->mem.default_local_map = data;
- port->mem.default_globl_map = data;
+ port->mem.default_local_map = data;
+ port->mem.default_globl_map = data;
- /* peepholes are disabled for the time being */
- options.nopeep = 1;
+ /* peepholes are disabled for the time being */
+ options.nopeep = 1;
- /* explicit enable peepholes for testing */
- if(pic16_enable_peeps)
- options.nopeep = 0;
+ /* 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;
-
+ options.all_callee_saves = 1; // always callee saves
- if(alt_asm && strlen(alt_asm))
- pic16_asmCmd[0] = alt_asm;
+#if 0
+ options.float_rent = 1;
+ options.intlong_rent = 1;
+#endif
- if(alt_link && strlen(alt_link))
- pic16_linkCmd[0] = alt_link;
-}
-
-/* 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)
+ if(alt_asm && strlen(alt_asm))
+ pic16_asmCmd[0] = alt_asm;
+
+ if(alt_link && strlen(alt_link))
+ pic16_linkCmd[0] = alt_link;
+
+ if(!pic16_options.no_crt) {
+ 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)
+ addSet(&asmOptionsSet, Safe_strdup("-DSDCC_MODEL_LARGE"));
+
{
+ char buf[128];
- 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;
+ sprintf(buf, "-D%s -D__%s", pic16->name[2], pic16->name[1]);
+ *(strrchr(buf, 'f')) = 'F';
+ addSet(&asmOptionsSet, Safe_strdup( buf ));
}
+
+ 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"));
+ }
+}
+
+#if 0
if (options.model == MODEL_LARGE)
{
port->mem.default_local_map = xdata;
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;
+ pic16_options.CATregs = 0;
}
static const char *
}
fprintf (of, "\tlist\tp=%s\n",&name[1]);
+ if (pic16_mplab_comp) {
+ // provide ACCESS macro used during SFR accesses
+ fprintf (of, "\tinclude <p%s.inc>\n", &name[1]);
+ }
if(!pic16_options.omit_configw) {
pic16_emitConfigRegs(of);
/* 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");
+ dbuf_printf(oBuf, "; RESET vector\n");
+ dbuf_printf(oBuf, "\tgoto\t__sdcc_gsinit_startup\n");
}
if(!pic16_options.omit_ivt) {
- fprintf(of, "\tres 4\n");
+ dbuf_printf(oBuf, "\tres 4\n");
- fprintf(of, "; High priority interrupt vector 0x0008\n");
+ dbuf_printf(oBuf, "; High priority interrupt vector 0x0008\n");
if(interrupts[1]) {
- fprintf(of, "\tgoto\t%s\n", interrupts[1]->rname);
- fprintf(of, "\tres\t12\n");
+ dbuf_printf(oBuf, "\tgoto\t%s\n", interrupts[1]->rname);
+ dbuf_printf(oBuf, "\tres\t12\n");
} else {
- fprintf(of, "\tretfie\n");
- fprintf(of, "\tres\t14\n");
+ dbuf_printf(oBuf, "\tretfie\n");
+ dbuf_printf(oBuf, "\tres\t14\n");
}
- fprintf(of, "; Low priority interrupt vector 0x0018\n");
+ dbuf_printf(oBuf, "; Low priority interrupt vector 0x0018\n");
if(interrupts[2]) {
- fprintf(of, "\tgoto\t%s\n", interrupts[2]->rname);
+ dbuf_printf(oBuf, "\tgoto\t%s\n", interrupts[2]->rname);
} else {
- fprintf(of, "\tretfie\n");
+ dbuf_printf(oBuf, "\tretfie\n");
}
}
#endif
* 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)floatFromVal( 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)floatFromVal( 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)floatFromVal( 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)floatFromVal( 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;
}
*/
const char *pic16_linkCmd[] =
{
- "gplink", "$l", "-o \"$2\"", "\"$1\"","$3", NULL
+ "gplink", "$l", "-w", "-r", "-o \"$2\"", "\"$1\"","$3", NULL
};
4, /* long */
2, /* ptr */
3, /* fptr, far pointers (see Microchip) */
- 2, /* gptr */
+ 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
+ "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
+ "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
{
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,
projects / fw / sdcc / blobdiff