Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-------------------------------------------------------------------------*/
-#include <stdio.h>
-#include <stdlib.h>
-#include <ctype.h>
-
-#include "common.h" // Include everything in the SDCC src directory
-#include "newalloc.h"
-
-
-#include "main.h"
-#include "pcode.h"
-#include "ralloc.h"
#include "device.h"
-extern int Gstack_base_addr;
-extern int Gstack_size;
+/*
+ * Imports
+ */
+extern set *includeDirsSet;
+extern set *userIncDirsSet;
+extern set *libDirsSet;
+extern set *libPathsSet;
#define MAX_PICLIST 200
static PIC_device *Pics[MAX_PICLIST];
+static PIC_device *pic = NULL;
static int num_of_supported_PICS = 0;
-
-static PIC_device *pic=NULL;
-
-int maxRAMaddress = 0;
+static int maxRAMaddress = 0;
#define CONFIG_WORD_ADDRESS 0x2007
#define CONFIG2_WORD_ADDRESS 0x2008
#define PIC14_STRING_LEN 256
#define SPLIT_WORDS_MAX 16
+/* Keep track of whether we found an assignment to the __config words. */
+static int pic14_hasSetConfigWord = 0;
static unsigned int config_word = DEFAULT_CONFIG_WORD;
static unsigned int config2_word = DEFAULT_CONFIG2_WORD;
static memRange *rangeRAM = NULL;
rangeRAM = r;
}
-extern set *includeDirsSet;
-extern set *userIncDirsSet;
-extern set *libDirsSet;
-extern set *libPathsSet;
+static void setMaxRAM(int size)
+{
+ maxRAMaddress = size;
-/* read the file with all the pic14 definitions and pick out the definition for a processor
- * if specified. if pic_name is NULL reads everything */
+ if (maxRAMaddress < 0) {
+ fprintf(stderr, "invalid maxram 0x%x setting in %s\n",
+ maxRAMaddress, DEVICE_FILE_NAME);
+ return;
+ }
+}
+
+/* read the file with all the pic14 definitions and pick out the definition
+ * for a processor if specified. if pic_name is NULL reads everything */
static PIC_device *find_device(char *pic_name)
{
FILE *pic_file;
/* first scan all include directories */
pic_file = NULL;
//fprintf( stderr, "%s: searching %s\n", __FUNCTION__, DEVICE_FILE_NAME );
- for (dir = setFirstItem(includeDirsSet);
+ for (dir = setFirstItem(userIncDirsSet);
!pic_file && dir;
- dir = setNextItem(includeDirsSet))
+ dir = setNextItem(userIncDirsSet))
{
//fprintf( stderr, "searching1 %s\n", dir );
- SNPRINTF(&filename[0], len, "%s%s%s", dir, DIR_SEPARATOR_STRING, DEVICE_FILE_NAME);
+ SNPRINTF(&filename[0], len, "%s%s", dir,
+ DIR_SEPARATOR_STRING DEVICE_FILE_NAME);
pic_file = fopen( filename, "rt" );
if (pic_file) break;
} // for
- for (dir = setFirstItem(userIncDirsSet);
+
+ for (dir = setFirstItem(includeDirsSet);
!pic_file && dir;
- dir = setNextItem(userIncDirsSet))
+ dir = setNextItem(includeDirsSet))
{
//fprintf( stderr, "searching2 %s\n", dir );
- SNPRINTF(&filename[0], len, "%s%s%s", dir, DIR_SEPARATOR_STRING, DEVICE_FILE_NAME);
+ SNPRINTF(&filename[0], len, "%s%s", dir,
+ DIR_SEPARATOR_STRING DEVICE_FILE_NAME);
pic_file = fopen( filename, "rt" );
if (pic_file) break;
} // for
+
for (dir = setFirstItem(libDirsSet);
!pic_file && dir;
dir = setNextItem(libDirsSet))
{
//fprintf( stderr, "searching3 %s\n", dir );
- SNPRINTF(&filename[0], len, "%s%s%s", dir, DIR_SEPARATOR_STRING, DEVICE_FILE_NAME);
+ SNPRINTF(&filename[0], len, "%s%s", dir,
+ DIR_SEPARATOR_STRING DEVICE_FILE_NAME);
pic_file = fopen( filename, "rt" );
if (pic_file) break;
} // for
+
for (dir = setFirstItem(libPathsSet);
!pic_file && dir;
dir = setNextItem(libPathsSet))
{
//fprintf( stderr, "searching4 %s\n", dir );
- SNPRINTF(&filename[0], len, "%s%s%s", dir, DIR_SEPARATOR_STRING, DEVICE_FILE_NAME);
+ SNPRINTF(&filename[0], len, "%s%s", dir,
+ DIR_SEPARATOR_STRING DEVICE_FILE_NAME);
pic_file = fopen( filename, "rt" );
if (pic_file) break;
} // for
+
if (!pic_file) {
- pic_file = fopen(DATADIR LIB_DIR_SUFFIX DIR_SEPARATOR_STRING "pic" DIR_SEPARATOR_STRING DEVICE_FILE_NAME, "rt");
- }
- if (pic_file == NULL) {
- /* this second attempt is used when initially building the libraries */
- pic_file = fopen(".." DIR_SEPARATOR_STRING ".." DIR_SEPARATOR_STRING ".." DIR_SEPARATOR_STRING ".."
- DIR_SEPARATOR_STRING "src" DIR_SEPARATOR_STRING "pic" DIR_SEPARATOR_STRING
- DEVICE_FILE_NAME, "rt");
- if (pic_file == NULL) {
- fprintf(stderr, "can't find %s\n", DATADIR LIB_DIR_SUFFIX DIR_SEPARATOR_STRING "pic"
- DIR_SEPARATOR_STRING DEVICE_FILE_NAME);
- return NULL;
- }
- }
+ SNPRINTF(&filename[0], len, "%s",
+ DATADIR LIB_DIR_SUFFIX
+ DIR_SEPARATOR_STRING "pic"
+ DIR_SEPARATOR_STRING DEVICE_FILE_NAME);
+ pic_file = fopen( filename, "rt" );
+ } // if
+
+ if (pic_file == NULL) {
+ fprintf(stderr, "can't find %s\n", DEVICE_FILE_NAME);
+ return NULL;
+ } // if
+
+ if (options.verbose) {
+ printf ("Using devices from %s.\n", filename);
+ } // if
/* read line by line */
pic_buf[sizeof(pic_buf)-1] = '\0';
return NULL;
}
-void setMaxRAM(int size)
-{
- maxRAMaddress = size;
-
- if (maxRAMaddress < 0) {
- fprintf(stderr, "invalid maxram 0x%x setting in %s\n",
- maxRAMaddress, DEVICE_FILE_NAME);
- return;
- }
-}
-
-/*-----------------------------------------------------------------*
-*-----------------------------------------------------------------*/
-
-int isREGinBank(regs *reg, int bank)
-{
-
- if(!reg || !pic)
- return 0;
-
- if((int)((reg->address | reg->alias) & pic->bankMask & bank) == bank)
- return 1;
-
- return 0;
-}
-
-/*-----------------------------------------------------------------*
-*-----------------------------------------------------------------*/
-int REGallBanks(regs *reg)
-{
-
- if(!reg || !pic)
- return 0;
-
- return ((reg->address | reg->alias) & pic->bankMask);
-
-}
-
/*-----------------------------------------------------------------*
* void list_valid_pics(int ncols, int list_alias)
*
* list_alias - if non-zero, print all of the supported aliases
* for a device (e.g. F84, 16F84, etc...)
*-----------------------------------------------------------------*/
-void list_valid_pics(int ncols)
+static void list_valid_pics(int ncols)
{
int col=0,longest;
int i,k,l;
return pic->name;
}
-/*-----------------------------------------------------------------*
-*-----------------------------------------------------------------*/
-int validAddress(int address, int reg_size)
+int IS_CONFIG_ADDRESS(int address)
{
- if (maxRAMaddress < 0) {
- fprintf(stderr, "missing maxram setting in %s\n", DEVICE_FILE_NAME);
- return 0;
- }
- // fprintf(stderr, "validAddress: Checking 0x%04x\n",address);
- assert (reg_size > 0);
- if(address + (reg_size - 1) > maxRAMaddress)
- return 0;
-
- return 1;
-}
-
-#if 0
-/* The following code should be (and is) implemented in the linker. */
-/*-----------------------------------------------------------------*
-*-----------------------------------------------------------------*/
-void mapRegister(regs *reg)
-{
-
- unsigned i;
- int alias;
-
- if(!reg || !reg->size) {
- fprintf(stderr,"WARNING: %s:%s:%d Bad register\n",__FILE__,__FUNCTION__,__LINE__);
- return;
- }
-
- if (maxRAMaddress < 0) {
- fprintf(stderr, "missing maxram setting in %s\n", DEVICE_FILE_NAME);
- return;
- }
-
- for(i=0; i<reg->size; i++) {
-
- assert(reg->address >= 0 && reg->address < maxRAMaddress);
-
- alias = finalMapping[reg->address].alias;
- reg->alias = alias;
-
- do {
-
- //fprintf(stdout,"mapping %s to address 0x%02x, reg size = %d\n",reg->name, (reg->address+alias+i),reg->size);
-
- finalMapping[reg->address + alias + i].reg = reg;
- finalMapping[reg->address + alias + i].instance = i;
-
- /* Decrement alias */
- if(alias)
- alias -= ((alias & (alias - 1)) ^ alias);
- else
- alias--;
-
- } while (alias>=0);
- }
-
- //fprintf(stderr,"%s - %s addr = 0x%03x, size %d\n",__FUNCTION__,reg->name, reg->address,reg->size);
-
- reg->isMapped = 1;
-
-}
-
-/*-----------------------------------------------------------------*
-*-----------------------------------------------------------------*/
-int assignRegister(regs *reg, int start_address)
-{
- int i;
-
- //fprintf(stderr,"%s - %s start_address = 0x%03x\n",__FUNCTION__,reg->name, start_address);
- if(reg->isFixed) {
-
- if (validAddress(reg->address,reg->size)) {
- //fprintf(stderr,"%s - %s address = 0x%03x\n",__FUNCTION__,reg->name, reg->address);
- mapRegister(reg);
- return reg->address;
- }
-
- if (getenv("SDCCPICDEBUG")) {
- fprintf(stderr, "WARNING: Ignoring Out of Range register assignment at fixed address %d, %s\n",
- reg->address, reg->name);
- }
-
- } else {
-
- /* This register does not have a fixed address requirement
- * so we'll search through all availble ram address and
- * assign the first one */
-
- for (i=start_address; i<=maxRAMaddress; i++) {
-
- if (validAddress(i,reg->size)) {
- reg->address = i;
- mapRegister(reg);
- return i;
- }
- }
-
- fprintf(stderr, "WARNING: No more RAM available for %s\n",reg->name);
-
- }
-
- return -1;
-}
-
-/*-----------------------------------------------------------------*
-*-----------------------------------------------------------------*/
-void assignFixedRegisters(set *regset)
-{
- regs *reg;
-
- for (reg = setFirstItem(regset) ; reg ;
- reg = setNextItem(regset)) {
-
- if(reg->isFixed)
- assignRegister(reg,0);
- }
-
+ return ((address == CONFIG_WORD_ADDRESS)
+ || (address == CONFIG2_WORD_ADDRESS));
}
/*-----------------------------------------------------------------*
-*-----------------------------------------------------------------*/
-void assignRelocatableRegisters(set *regset, int used)
-{
-
- regs *reg;
- int address = 0;
-
- for (reg = setFirstItem(regset) ; reg ;
- reg = setNextItem(regset)) {
-
- //fprintf(stdout,"assigning %s (%d) isFixed=%d, wasUsed=%d\n",reg->name,reg->size,reg->isFixed,reg->wasUsed);
-
- if((!reg->isExtern) && (!reg->isFixed) && ( used || reg->wasUsed)) {
- /* If register have been reused then shall not print it a second time. */
- set *s;
- int done = 0;
- for (s = regset; s; s = s->next) {
- regs *r;
- r = s->item;
- if (r == reg)
- break;
- if((!r->isFixed) && ( used || r->wasUsed)) {
- if (r->rIdx == reg->rIdx) {
- reg->address = r->address;
- done = 1;
- break;
- }
- }
- }
- if (!done)
- address = assignRegister(reg,address);
- }
- }
-
-}
-#endif
-
-/* Keep track of whether we found an assignment to the __config words. */
-static int pic14_hasSetConfigWord = 0;
-
-/*-----------------------------------------------------------------*
- * void assignConfigWordValue(int address, int value)
+ * void pic14_assignConfigWordValue(int address, int value)
*
* Most midrange PICs have one config word at address 0x2007.
* Newer PIC14s have a second config word at address 0x2008.
pic14_hasSetConfigWord = 1;
}
-/*-----------------------------------------------------------------*
- * int pic14_emitConfigWord (FILE * vFile)
- *
- * Emit the __config directives iff we found a previous assignment
- * to the config word.
- *-----------------------------------------------------------------*/
-extern char *iComments2;
-int pic14_emitConfigWord (FILE * vFile)
-{
- if (pic14_hasSetConfigWord)
- {
- fprintf (vFile, "%s", iComments2);
- fprintf (vFile, "; config word \n");
- fprintf (vFile, "%s", iComments2);
- if (pic14_getHasSecondConfigReg())
- {
- fprintf (vFile, "\t__config _CONFIG1, 0x%x\n", pic14_getConfigWord(0x2007));
- fprintf (vFile, "\t__config _CONFIG2, 0x%x\n", pic14_getConfigWord(0x2008));
- }
- else
- fprintf (vFile, "\t__config 0x%x\n", pic14_getConfigWord(0x2007));
-
- return 1;
- }
- return 0;
-}
-
/*-----------------------------------------------------------------*
* int pic14_getConfigWord(int address)
*
*
*-----------------------------------------------------------------*/
-int pic14_getConfigWord(int address)
+static int pic14_getConfigWord(int address)
{
switch (address)
{
}
}
-/*-----------------------------------------------------------------*
-*
-*-----------------------------------------------------------------*/
-unsigned pic14_getMaxRam(void)
-{
- return pic->defMaxRAMaddrs;
-}
-
-
/*-----------------------------------------------------------------*
* int getHasSecondConfigReg(void) - check if the device has a
* second config register, rather than just one.
*-----------------------------------------------------------------*/
-int pic14_getHasSecondConfigReg(void)
+static int pic14_getHasSecondConfigReg(void)
{
if(!pic)
return 0;
return pic->hasSecondConfigReg;
}
+/*-----------------------------------------------------------------*
+ * int pic14_emitConfigWord (FILE * vFile)
+ *
+ * Emit the __config directives iff we found a previous assignment
+ * to the config word.
+ *-----------------------------------------------------------------*/
+int pic14_emitConfigWord (FILE * vFile)
+{
+ if (pic14_hasSetConfigWord)
+ {
+ fprintf (vFile, "%s", iComments2);
+ fprintf (vFile, "; config word \n");
+ fprintf (vFile, "%s", iComments2);
+ if (pic14_getHasSecondConfigReg())
+ {
+ fprintf (vFile, "\t__config _CONFIG1, 0x%x\n", pic14_getConfigWord(0x2007));
+ fprintf (vFile, "\t__config _CONFIG2, 0x%x\n", pic14_getConfigWord(0x2008));
+ }
+ else
+ fprintf (vFile, "\t__config 0x%x\n", pic14_getConfigWord(0x2007));
+
+ return 1;
+ }
+ return 0;
+}
+
/*-----------------------------------------------------------------*
* True iff the device has memory aliased in every bank.
* If true, low and high will be set to the low and high address
* occupied by the (last) sharebank found.
*-----------------------------------------------------------------*/
-int pic14_hasSharebank(int *low, int *high, int *size)
+static int pic14_hasSharebank(int *low, int *high, int *size)
{
memRange *r;
/*
* True iff the memory region [low, high] is aliased in all banks.
*/
-int pic14_isShared(int low, int high)
+static int pic14_isShared(int low, int high)
{
memRange *r;
projects / fw / sdcc / blobdiff