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avrdude
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AVR32 

git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk@851 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
David Hoerl 2009-10-10 20:09:55 +00:00
parent e6928c77cf
commit 7c4dc335ca
1 changed files with 14 additions and 12 deletions
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26
avrdude/fileio.c
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@ -267,17 +267,18 @@ static int ihex2b(char * infile, FILE * inf,
{ {
char buffer [ MAX_LINE_LEN ]; char buffer [ MAX_LINE_LEN ];
unsigned char * buf; unsigned char * buf;
unsigned int nextaddr, baseaddr, maxaddr; unsigned int nextaddr, baseaddr, maxaddr, offsetaddr;
int i; int i;
int lineno; int lineno;
int len; int len;
struct ihexrec ihex; struct ihexrec ihex;
int rc; int rc;
lineno = 0; lineno = 0;
buf = outbuf; buf = outbuf;
baseaddr = 0; baseaddr = 0;
maxaddr = 0; maxaddr = 0;
offsetaddr = 0;
while (fgets((char *)buffer,MAX_LINE_LEN,inf)!=NULL) { while (fgets((char *)buffer,MAX_LINE_LEN,inf)!=NULL) {
lineno++; lineno++;
@ -301,28 +302,28 @@ static int ihex2b(char * infile, FILE * inf,
} }
switch (ihex.rectyp) { switch (ihex.rectyp) {
case 0: /* data record */ case 0: /* data record */
nextaddr = ihex.loadofs + baseaddr; nextaddr = ihex.loadofs + baseaddr;
if (nextaddr + ihex.reclen > bufsize) { if ((nextaddr + ihex.reclen) > (bufsize+offsetaddr)) {
fprintf(stderr, fprintf(stderr,
"%s: ERROR: address 0x%04x out of range at line %d of %s\n", "%s: ERROR: address 0x%04x out of range at line %d of %s\n",
progname, nextaddr+ihex.reclen, lineno, infile); progname, nextaddr+ihex.reclen, lineno, infile);
return -1; return -1;
} }
for (i=0; i<ihex.reclen; i++) { for (i=0; i<ihex.reclen; i++) {
buf[nextaddr+i] = ihex.data[i]; buf[nextaddr+i-offsetaddr] = ihex.data[i];
} }
if (nextaddr+ihex.reclen > maxaddr) if (nextaddr+ihex.reclen > maxaddr)
maxaddr = nextaddr+ihex.reclen; maxaddr = nextaddr+ihex.reclen;
break; break;
case 1: /* end of file record */ case 1: /* end of file record */
return maxaddr; return maxaddr-offsetaddr;
break; break;
case 2: /* extended segment address record */ case 2: /* extended segment address record */
baseaddr = (ihex.data[0] << 8 | ihex.data[1]) << 4; // note: shift values use to be 8 and 4 - the first had to be wrong
baseaddr = (ihex.data[0] << 12 | ihex.data[1]) << 4;
break; break;
case 3: /* start segment address record */ case 3: /* start segment address record */
@ -330,7 +331,8 @@ static int ihex2b(char * infile, FILE * inf,
break; break;
case 4: /* extended linear address record */ case 4: /* extended linear address record */
baseaddr = (ihex.data[0] << 8 | ihex.data[1]) << 16; baseaddr = (ihex.data[0] << 24 | ihex.data[1]) << 16;
if(offsetaddr == 0) offsetaddr = baseaddr;
break; break;
case 5: /* start linear address record */ case 5: /* start linear address record */
@ -353,7 +355,7 @@ static int ihex2b(char * infile, FILE * inf,
"file \"%s\"\n", "file \"%s\"\n",
progname, infile); progname, infile);
return maxaddr; return maxaddr-offsetaddr;
} }