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Fix ATMega flash addressing. Add an ATMEGA16 part. Perform sanity

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checking on the memory parameters for parts that do bank addressing.


git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@88 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
Brian S. Dean
2001-10-16 02:47:55 +00:00
parent 4ccecfdbe6
commit c934f8cc7a
5 changed files with 105 additions and 10 deletions
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50
config_gram.y
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@@ -101,14 +101,62 @@ prog_def :
part_def :
K_PART
{ current_part = avr_new_part(); }
part_parms
part_parms
{
unsigned int i, j, pagebits;
if (current_part->id[0] == 0) {
fprintf(stderr,
"%s: error at %s:%d: required parameter id not specified\n",
progname, infile, lineno);
exit(1);
}
/*
* perform some sanity checking
*/
for (i=0; i<AVR_MAXMEMTYPES; i++) {
if (current_part->mem[i].banked) {
if (!current_part->mem[i].bank_size) {
fprintf(stderr,
"%s: error at %s:%d: must specify bank_size for banked "
"memory\n",
progname, infile, lineno);
exit(1);
}
if (!current_part->mem[i].num_banks) {
fprintf(stderr,
"%s: error at %s:%d: must specify num_banks for banked "
"memory\n",
progname, infile, lineno);
exit(1);
}
if (current_part->mem[i].size != current_part->mem[i].bank_size *
current_part->mem[i].num_banks) {
fprintf(stderr,
"%s: error at %s:%d: bank size (%u) * num_banks (%u) = "
"%u does not match memory size (%u)\n",
progname, infile, lineno,
current_part->mem[i].bank_size,
current_part->mem[i].num_banks,
current_part->mem[i].bank_size * current_part->mem[i].num_banks,
current_part->mem[i].size);
exit(1);
}
pagebits = 0;
for (j=0; j<32 && !pagebits; j++) {
if ((1 << j) == current_part->mem[i].num_banks)
pagebits = j;
}
if (!pagebits) {
fprintf(stderr,
"%s: error at %s:%d: can't determine the number of bank address bits\n"
" Are you sure num_banks (=%u) is correct?\n",
progname, infile, lineno, current_part->mem[i].num_banks);
}
current_part->mem[i].bankaddrbits = pagebits;
}
}
ladd(part_list, current_part);
current_part = NULL;
}