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Allow instruction data to be specified more flexibly, which can be

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used to make the instruction input more readable in the config file.


git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@102 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
Brian S. Dean
2001-11-21 05:50:59 +00:00
parent 5df3b4188b
commit b50ce8fabd
3 changed files with 473 additions and 258 deletions
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166
config_gram.y
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@@ -315,13 +315,6 @@ part_parm :
int opnum;
OPCODE * op;
if (lsize(string_list) != 32) {
fprintf(stderr,
"%s: error at %s:%d: only %d bits specified, need 32\n",
progname, infile, lineno, lsize(string_list));
exit(1);
}
opnum = which_opcode($1);
op = avr_new_opcode();
parse_cmdbits(op);
@@ -399,13 +392,6 @@ mem_spec :
int opnum;
OPCODE * op;
if (lsize(string_list) != 32) {
fprintf(stderr,
"%s: error at %s:%d: only %d bits specified, need 32\n",
progname, infile, lineno, lsize(string_list));
exit(1);
}
opnum = which_opcode($1);
op = avr_new_opcode();
parse_cmdbits(op);
@@ -498,86 +484,100 @@ static int parse_cmdbits(OPCODE * op)
char * e;
char * q;
int len;
char * s, *brkt;
bitno = 31;
bitno = 32;
while (lsize(string_list)) {
t = lrmv_n(string_list, 1);
len = strlen(t->value.string);
s = strtok_r(t->value.string, " ", &brkt);
while (s != NULL) {
if (len == 0) {
fprintf(stderr,
"%s: error at %s:%d: invalid bit specifier \"\"\n",
progname, infile, lineno);
exit(1);
}
ch = t->value.string[0];
if (len == 1) {
switch (ch) {
case '1':
op->bit[bitno].type = AVR_CMDBIT_VALUE;
op->bit[bitno].value = 1;
op->bit[bitno].bitno = bitno % 8;
break;
case '0':
op->bit[bitno].type = AVR_CMDBIT_VALUE;
op->bit[bitno].value = 0;
op->bit[bitno].bitno = bitno % 8;
break;
case 'x':
op->bit[bitno].type = AVR_CMDBIT_IGNORE;
op->bit[bitno].value = 0;
op->bit[bitno].bitno = bitno % 8;
break;
case 'a':
op->bit[bitno].type = AVR_CMDBIT_ADDRESS;
op->bit[bitno].value = 0;
op->bit[bitno].bitno = 8*(bitno/8) + bitno % 8;
break;
case 'i':
op->bit[bitno].type = AVR_CMDBIT_INPUT;
op->bit[bitno].value = 0;
op->bit[bitno].bitno = bitno % 8;
break;
case 'o':
op->bit[bitno].type = AVR_CMDBIT_OUTPUT;
op->bit[bitno].value = 0;
op->bit[bitno].bitno = bitno % 8;
break;
default :
fprintf(stderr,
"%s: error at %s:%d: invalid bit specifier '%c'\n",
progname, infile, lineno, ch);
exit(1);
break;
}
}
else {
if (ch == 'a') {
q = &t->value.string[1];
op->bit[bitno].bitno = strtol(q, &e, 0);
if ((e == q)||(*e != 0)) {
fprintf(stderr,
"%s: error at %s:%d: can't parse bit number from \"%s\"\n",
progname, infile, lineno, q);
exit(1);
}
op->bit[bitno].type = AVR_CMDBIT_ADDRESS;
op->bit[bitno].value = 0;
}
else {
bitno--;
if (bitno < 0) {
fprintf(stderr,
"%s: error at %s:%d: invalid bit specifier \"%s\"\n",
progname, infile, lineno, t->value.string);
"%s: error at %s:%d: too many opcode bits for instruction\n",
progname, infile, lineno);
exit(1);
}
len = strlen(s);
if (len == 0) {
fprintf(stderr,
"%s: error at %s:%d: invalid bit specifier \"\"\n",
progname, infile, lineno);
exit(1);
}
ch = s[0];
if (len == 1) {
switch (ch) {
case '1':
op->bit[bitno].type = AVR_CMDBIT_VALUE;
op->bit[bitno].value = 1;
op->bit[bitno].bitno = bitno % 8;
break;
case '0':
op->bit[bitno].type = AVR_CMDBIT_VALUE;
op->bit[bitno].value = 0;
op->bit[bitno].bitno = bitno % 8;
break;
case 'x':
op->bit[bitno].type = AVR_CMDBIT_IGNORE;
op->bit[bitno].value = 0;
op->bit[bitno].bitno = bitno % 8;
break;
case 'a':
op->bit[bitno].type = AVR_CMDBIT_ADDRESS;
op->bit[bitno].value = 0;
op->bit[bitno].bitno = 8*(bitno/8) + bitno % 8;
break;
case 'i':
op->bit[bitno].type = AVR_CMDBIT_INPUT;
op->bit[bitno].value = 0;
op->bit[bitno].bitno = bitno % 8;
break;
case 'o':
op->bit[bitno].type = AVR_CMDBIT_OUTPUT;
op->bit[bitno].value = 0;
op->bit[bitno].bitno = bitno % 8;
break;
default :
fprintf(stderr,
"%s: error at %s:%d: invalid bit specifier '%c'\n",
progname, infile, lineno, ch);
exit(1);
break;
}
}
else {
if (ch == 'a') {
q = &s[1];
op->bit[bitno].bitno = strtol(q, &e, 0);
if ((e == q)||(*e != 0)) {
fprintf(stderr,
"%s: error at %s:%d: can't parse bit number from \"%s\"\n",
progname, infile, lineno, q);
exit(1);
}
op->bit[bitno].type = AVR_CMDBIT_ADDRESS;
op->bit[bitno].value = 0;
}
else {
fprintf(stderr,
"%s: error at %s:%d: invalid bit specifier \"%s\"\n",
progname, infile, lineno, s);
exit(1);
}
}
s = strtok_r(NULL, " ", &brkt);
}
free_token(t);
bitno--;
free_token(t);
} /* while */