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bug #28660: Problem with loading intel hex rom files that exceed 

0x10000 bytes
* fileio.c: Revert the changes from r851 and r880, respectively.




git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@928 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
Joerg Wunsch 2010-01-18 11:05:36 +00:00
parent 63436140d9
commit 4e53f3451e
2 changed files with 20 additions and 16 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2010-01-18 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
bug #28660: Problem with loading intel hex rom files that exceed
0x10000 bytes
* fileio.c: Revert the changes from r851 and r880, respectively.
2010-01-15 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
Submitted by Michael biebl:

30
fileio.c
View File

@ -261,24 +261,23 @@ static int ihex_readrec(struct ihexrec * ihex, char * rec)
* If an error occurs, return -1.
*
* */
static int ihex2b(char * infile, FILE * inf,
unsigned char * outbuf, int bufsize)
{
char buffer [ MAX_LINE_LEN ];
unsigned char * buf;
unsigned int nextaddr, baseaddr, maxaddr, offsetaddr;
unsigned int nextaddr, baseaddr, maxaddr;
int i;
int lineno;
int len;
struct ihexrec ihex;
int rc;
lineno = 0;
buf = outbuf;
baseaddr = 0;
maxaddr = 0;
offsetaddr = 0;
nextaddr = 0;
lineno = 0;
buf = outbuf;
baseaddr = 0;
maxaddr = 0;
while (fgets((char *)buffer,MAX_LINE_LEN,inf)!=NULL) {
lineno++;
@ -302,28 +301,28 @@ static int ihex2b(char * infile, FILE * inf,
}
switch (ihex.rectyp) {
case 0: /* data record */
nextaddr = ihex.loadofs + baseaddr;
if ((nextaddr + ihex.reclen) > (bufsize+offsetaddr)) {
if (nextaddr + ihex.reclen > bufsize) {
fprintf(stderr,
"%s: ERROR: address 0x%04x out of range at line %d of %s\n",
progname, nextaddr+ihex.reclen, lineno, infile);
return -1;
}
for (i=0; i<ihex.reclen; i++) {
buf[nextaddr+i-offsetaddr] = ihex.data[i];
buf[nextaddr+i] = ihex.data[i];
}
if (nextaddr+ihex.reclen > maxaddr)
maxaddr = nextaddr+ihex.reclen;
break;
case 1: /* end of file record */
return maxaddr-offsetaddr;
return maxaddr;
break;
case 2: /* extended segment address record */
// note: shift values use to be 8 and 4 - the first had to be wrong
baseaddr = (ihex.data[0] << 12 | ihex.data[1]) << 4;
baseaddr = (ihex.data[0] << 8 | ihex.data[1]) << 4;
break;
case 3: /* start segment address record */
@ -331,8 +330,7 @@ static int ihex2b(char * infile, FILE * inf,
break;
case 4: /* extended linear address record */
baseaddr = (ihex.data[0] << 24 | ihex.data[1]) << 16;
if(nextaddr == 0) offsetaddr = baseaddr; // if provided before any data, then remember it
baseaddr = (ihex.data[0] << 8 | ihex.data[1]) << 16;
break;
case 5: /* start linear address record */
@ -355,9 +353,10 @@ static int ihex2b(char * infile, FILE * inf,
"file \"%s\"\n",
progname, infile);
return maxaddr-offsetaddr;
return maxaddr;
}
static int b2srec(unsigned char * inbuf, int bufsize,
int recsize, int startaddr,
char * outfile, FILE * outf)
@ -1154,7 +1153,6 @@ int fileio(int op, char * filename, FILEFMT format,
if (format != FMT_IMM && !using_stdio) {
fclose(f);
}
return rc;
}