#include "common.h"
#include "main.h"
#include "ralloc.h"
-#include "gen.h"
+#include "device.h"
+#include "SDCCutil.h"
+#include "SDCCmacro.h"
+#include "MySystem.h"
+#include "glue.h"
+#include <errno.h>
+//#include "gen.h"
+
static char _defaultRules[] =
{
#include "peeph.rul"
+ ""
+};
+
+/* list of key words used by pic14 */
+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
};
-/* 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
+pic14_options_t pic14_options;
+
+#define ARG_STACKLOC "--stack-loc"
+#define ARG_STACKSIZ "--stack-size"
+
+extern int debug_verbose; /* from pcode.c */
+static OPTION _pic14_poptions[] = {
+ { 0 , "--debug-xtra", &debug_verbose, "show more debug info in assembly output" },
+ { 0 , "--no-pcode-opt", &pic14_options.disable_df, "disable (slightly faulty) optimization on pCode" },
+ { 0 , ARG_STACKLOC, NULL, "sets the lowest address of the argument passing stack" },
+ { 0 , ARG_STACKSIZ, NULL, "sets the size if the argument passing stack (default: 16, minimum: 4)" },
+ { 0 , NULL, NULL, NULL }
};
+void pCodeInitRegisters(void);
-void pic14_assignRegisters (eBBlock **ebbs, int count);
+void pic14_assignRegisters (ebbIndex *);
-static int regParmFlg = 0; /* determine if we can register a parameter */
+/* Also defined in gen.h, but the #include is commented out */
+/* for an unknowned reason. - EEP */
+void pic14_emitDebuggerSymbol (char *);
-static void _pic14_init(void)
+static int regParmFlg = 0; /* determine if we can register a parameter */
+
+static void
+_pic14_init (void)
{
- asm_addTree(&asm_asxxxx_mapping);
+ asm_addTree (&asm_asxxxx_mapping);
+ memset (&pic14_options, 0, sizeof (pic14_options));
}
-static void _pic14_reset_regparm()
+static void
+_pic14_reset_regparm (void)
{
- regParmFlg = 0;
+ regParmFlg = 0;
}
-static int _pic14_regparm( link *l)
+static int
+_pic14_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;
+/* for this processor it is simple
+ can pass only the first parameter in a register */
+ //if (regParmFlg)
+ // return 0;
+
+ regParmFlg++;// = 1;
+ return 1;
}
-static bool _pic14_parseOptions(int *pargc, char **argv, int *i)
+extern char *udata_section_name;
+
+static bool
+_pic14_parseOptions (int *pargc, char **argv, int *i)
{
- /* TODO: allow port-specific command line options to specify
- * segment names here.
- */
- return FALSE;
+ char buf[128];
+
+ /* TODO: allow port-specific command line options to specify
+ * segment names here.
+ */
+
+ /* This is a temporary hack, to solve problems with some processors
+ * that do not have udata section. It will be changed when a more
+ * robust solution is figured out -- VR 27-11-2003 FIXME
+ */
+ strcpy(buf, "--udata-section-name");
+ if(!strncmp(buf, argv[ *i ], strlen(buf))) {
+ if(strlen(argv[ *i ]) <= strlen(buf)+1) {
+ fprintf(stderr, "WARNING: no `%s' entered\n", buf+2);
+ exit(EXIT_FAILURE);
+ } else {
+ udata_section_name = strdup( strchr(argv[*i], '=') + 1 );
+ }
+ return 1;
+ }
+
+ return FALSE;
}
-static void _pic14_finaliseOptions(void)
+extern set *dataDirsSet;
+extern set *includeDirsSet;
+/* pic14 port uses include/pic and lib/pic instead of
+ * include/pic14 and lib/pic14 as indicated by SDCCmain.c's
+ * setIncludePaths routine. */
+static void
+_pic14_initPaths (void)
{
- /* Hack-o-matic: if we are using the flat24 model,
- * adjust pointer sizes.
- */
- if (options.model == MODEL_FLAT24)
+ char *p;
+ char *p2=NULL;
+ set *tempSet=NULL;
+
+ if (options.nostdinc)
+ return;
+
+ tempSet = appendStrSet(dataDirsSet, NULL, INCLUDE_DIR_SUFFIX DIR_SEPARATOR_STRING "pic");
+ mergeSets(&includeDirsSet, tempSet);
+
+ if ((p = getenv(SDCC_INCLUDE_NAME)) != NULL)
+ {
+ addSetHead(&includeDirsSet, p);
+ p2=Safe_alloc(strlen(p)+strlen(DIR_SEPARATOR_STRING)+strlen("pic")+1);
+ if(p2!=NULL)
{
+ strcpy(p2, p);
+ strcat(p2, DIR_SEPARATOR_STRING);
+ strcat(p2, "pic");
+ addSetHead(&includeDirsSet, p2);
+ }
+ }
+}
+
+static void
+_pic14_finaliseOptions (void)
+{
+ pCodeInitRegisters();
- fprintf(stderr, "*** WARNING: you should use the '-mds390' option "
+ 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;
+ }
- 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;
- }
-
- 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;
- }
- }
+ 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;
+ }
+
+ 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)
+extern char *processor_base_name(void);
+
+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");
+ char * name = processor_base_name();
+
+ if(!name) {
+
+ name = "16f877";
+ fprintf(stderr,"WARNING: No Pic has been selected, defaulting to %s\n",name);
+ }
+
+ fprintf (of, "\tlist\tp=%s\n",name);
+ fprintf (of, "\tradix dec\n");
+ fprintf (of, "\tinclude \"p%s.inc\"\n",name);
}
/* 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)
- {
- /* 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++)
- {
- if (interrupts[i])
+ int i;
+
+ if (options.model != MODEL_FLAT24)
+ {
+ /* 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;ljmp\t%s\n\t.ds\t4\n", interrupts[i]->rname);
+ if (interrupts[i])
+ {
+ fprintf (of, "\t;ljmp\t%s\n\t.ds\t4\n", interrupts[i]->rname);
+ }
+ else
+ {
+ fprintf (of, "\t;reti\n\t.ds\t7\n");
+ }
+ }
+
+ return TRUE;
+}
+
+static bool
+_hasNativeMulFor (iCode *ic, sym_link *left, sym_link *right)
+{
+/*
+sym_link *test = NULL;
+value *val;
+ */
+
+ //fprintf(stderr,"checking for native mult\n");
+
+ if ( ic->op != '*')
+ {
+ return FALSE;
+ }
+
+ /* multiply chars in-place */
+ if (getSize(left) == 1 && getSize(right) == 1)
+ return TRUE;
+
+ /* use library functions for more complex maths */
+ return FALSE;
+
+ /*
+ if ( IS_LITERAL (left))
+ {
+ fprintf(stderr,"left is lit\n");
+ test = left;
+ val = OP_VALUE (IC_LEFT (ic));
+ }
+ else if ( IS_LITERAL (right))
+ {
+ fprintf(stderr,"right is lit\n");
+ test = left;
+ val = OP_VALUE (IC_RIGHT (ic));
}
else
{
- fprintf(of, "\t;reti\n\t.ds\t7\n");
+ fprintf(stderr,"oops, neither is lit so no\n");
+ return FALSE;
}
- }
-
- return TRUE;
+
+ if ( getSize (test) <= 2)
+ {
+ fprintf(stderr,"yep\n");
+ return TRUE;
+ }
+ fprintf(stderr,"nope\n");
+
+ return FALSE;
+ */
+}
+
+/* Indicate which extended bit operations this port supports */
+static bool
+hasExtBitOp (int op, int size)
+{
+ if (op == RRC
+ || op == RLC
+ /* || op == GETHBIT */ /* GETHBIT doesn't look complete for PIC */
+ )
+ return TRUE;
+ else
+ return FALSE;
+}
+
+/* Indicate the expense of an access to an output storage class */
+static int
+oclsExpense (struct memmap *oclass)
+{
+ /* The IN_FARSPACE test is compatible with historical behaviour, */
+ /* but I don't think it is applicable to PIC. If so, please feel */
+ /* free to remove this test -- EEP */
+ if (IN_FARSPACE(oclass))
+ return 1;
+
+ return 0;
}
/** $1 is always the basename.
- $2 is always the output file.
- $3 varies
- $l is the list of extra options that should be there somewhere...
- MUST be terminated with a NULL.
+$2 is always the output file.
+$3 varies
+$l is the list of extra options that should be there somewhere...
+MUST be terminated with a NULL.
*/
-static const char *_linkCmd[] = {
- "aslink", "-nf", "$1", NULL
+static const char *_linkCmd[] =
+{
+ "gplink", "$l", "-w", "-r", "-o \"$2\"", "\"$1\"", "$3", NULL
};
-static const char *_asmCmd[] = {
- "gpasm", NULL, NULL, NULL
-
+static const char *_asmCmd[] =
+{
+ "gpasm", "$l", "-c", "\"$1.asm\"", NULL
+
};
+extern set *libFilesSet;
+extern set *libDirsSet;
+extern set *libPathsSet;
+extern set *includeDirsSet;
+extern set *userIncDirsSet;
+extern set *dataDirsSetSet;
+extern set *relFilesSet;
+extern set *linkOptionsSet;
+
+static void _pic14_do_link (void)
+{
+ hTab *linkValues=NULL;
+ char lfrm[256];
+ char *lcmd;
+ char temp[128];
+ set *tSet=NULL;
+ int ret;
+ char * procName;
+
+ /*
+ * link command format:
+ * {linker} {incdirs} {lflags} -o {outfile} {spec_ofiles} {ofiles} {libs}
+ *
+ */
+
+ sprintf(lfrm, "{linker} {incdirs} {sysincdirs} {lflags} -w -r -o {outfile} {user_ofile} {spec_ofiles} {ofiles} {libs}");
+
+ shash_add(&linkValues, "linker", "gplink");
+
+ /* LIBRARY SEARCH DIRS */
+ mergeSets(&tSet, libPathsSet);
+ mergeSets(&tSet, libDirsSet);
+ shash_add(&linkValues, "incdirs", joinStrSet(appendStrSet(tSet, "-I\"", "\"")));
+
+ SNPRINTF (&temp[0], 128, "%cpic\"", DIR_SEPARATOR_CHAR);
+ joinStrSet(appendStrSet(libDirsSet, "-I\"", &temp[0]));
+ shash_add(&linkValues, "sysincdirs", joinStrSet(appendStrSet(libDirsSet, "-I\"", &temp[0])));
+
+ shash_add(&linkValues, "lflags", joinStrSet(linkOptionsSet));
+
+ shash_add(&linkValues, "outfile", fullDstFileName ? fullDstFileName : dstFileName);
+
+ if(fullSrcFileName) {
+ sprintf(temp, "%s.o", fullDstFileName ? fullDstFileName : dstFileName );
+ shash_add(&linkValues, "user_ofile", temp);
+ }
+
+ shash_add(&linkValues, "ofiles", joinStrSet(relFilesSet));
+
+ /* LIBRARIES */
+ procName = processor_base_name();
+ if (!procName) {
+ procName = "16f877";
+ }
+
+ addSet(&libFilesSet, "libsdcc.lib");
+ SNPRINTF(&temp[0], 128, "pic%s.lib", procName);
+ addSet(&libFilesSet, temp);
+ shash_add(&linkValues, "libs", joinStrSet(libFilesSet));
+
+ lcmd = msprintf(linkValues, lfrm);
+
+ ret = my_system( lcmd );
+
+ Safe_free( lcmd );
+
+ if(ret)
+ exit(1);
+}
+
/* 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,
+PORT pic_port =
+{
+ TARGET_ID_PIC,
+ "pic14",
+ "MCU pic", /* Target name */
+ "", /* Processor */
+ {
+ picglue,
+ TRUE, /* Emit glue around main */
+ MODEL_SMALL | MODEL_LARGE | MODEL_FLAT24,
+ MODEL_SMALL
+ },
+ {
+ _asmCmd,
+ NULL,
+ NULL,
+ NULL,
+ //"-plosgffc", /* Options with debug */
+ //"-plosgff", /* Options without debug */
+ 0,
+ ".asm",
+ NULL /* no do_assemble function */
+ },
+ {
+ _linkCmd,
+ NULL,
+ _pic14_do_link, /* own do link function */
+ ".o",
+ 0
+ },
+ {
+ _defaultRules
+ },
+ {
+ /* Sizes: char, short, int, long, ptr, fptr, gptr, bit, float, max */
+ 1, 2, 2, 4, 2, 2, 3, 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)
+ */
+ },
+ /* tags for generic pointers */
+ { 0x00, 0x00, 0x00, 0x80 }, /* far, near, xstack, code */
+ {
+ "XSEG (XDATA)",
+ "STACK (DATA)",
+ "code",
+ "DSEG (DATA)",
+ "ISEG (DATA)",
+ NULL, /* pdata */
+ "XSEG (XDATA)",
+ "BSEG (BIT)",
+ "RSEG (DATA)",
+ "GSINIT (CODE)",
+ "udata_ovr",
+ "GSFINAL (CODE)",
+ "HOME (CODE)",
+ 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,
+ NULL,
+ 1 // code is read only
+ },
+ { NULL, NULL },
+ {
+ +1, 1, 4, 1, 1, 0
+ },
+ /* pic14 has an 8 bit mul */
+ {
+ 1, -1
+ },
+ {
+ pic14_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 */
+ },
+ "_",
+ _pic14_init,
+ _pic14_parseOptions,
+ _pic14_poptions,
+ _pic14_initPaths,
+ _pic14_finaliseOptions,
+ _pic14_setDefaultOptions,
+ pic14_assignRegisters,
+ _pic14_getRegName,
+ _pic14_keywords,
+ _pic14_genAssemblerPreamble,
+ NULL, /* no genAssemblerEnd */
+ _pic14_genIVT,
+ NULL, // _pic14_genXINIT
+ NULL, /* genInitStartup */
+ _pic14_reset_regparm,
+ _pic14_regparm,
+ NULL, /* process a pragma */
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 == */
+ _hasNativeMulFor,
+ hasExtBitOp, /* hasExtBitOp */
+ oclsExpense, /* oclsExpense */
+ FALSE,
+// TRUE, /* little endian */
+ FALSE, /* little endian - PIC code enumlates big 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, /* 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
};
-
projects / fw / sdcc / blobdiff