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/*
* Copyright (c) 2001-2010 Stephen Williams (steve@icarus.com)
*
* This source code is free software; you can redistribute it
* and/or modify it in source code form under the terms of the GNU
* General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
# include "config.h"
# include "priv.h"
# include <stdio.h>
# include <stdlib.h>
# include <assert.h>
# include "ivl_alloc.h"
static void draw_macrocell_modes(FILE*jfd)
{
unsigned idx;
unsigned cfuses;
unsigned mode, mcnt;
for (idx = 0 ; idx < pins ; idx += 1) {
char*str;
unsigned ffirst, flast, tmp;
struct pal_bind_s*cur = bind_pin + idx;
if (cur->sop == 0)
continue;
cfuses = pal_sop_cfuses(cur->sop);
mcnt = 1 << pal_sop_cfuses(cur->sop);
mode = 0;
for (mode = 0 ; mode < mcnt ; mode += 1) {
pal_sop_set_mode(cur->sop, mode);
if (cur->reg && !pal_sop_is_register(cur->sop))
continue;
if (!cur->reg && pal_sop_is_register(cur->sop))
continue;
if (cur->sop_inv && !pal_sop_is_invert(cur->sop))
continue;
if (!cur->sop_inv && pal_sop_is_invert(cur->sop))
continue;
break;
}
assert(mode < mcnt);
ffirst = pal_sop_cfuse(cur->sop, 0);
flast = pal_sop_cfuse(cur->sop, 0);
for (tmp = 1 ; tmp < cfuses ; tmp += 1) {
unsigned f = pal_sop_cfuse(cur->sop, tmp);
if (f < ffirst)
ffirst = f;
if (f > flast)
flast = f;
}
assert(flast == (ffirst + cfuses - 1));
str = malloc(cfuses+1);
str[cfuses] = 0;
for (tmp = 0 ; tmp < cfuses ; tmp += 1) {
if (mode & (1 << (cfuses-tmp-1)))
str[pal_sop_cfuse(cur->sop, tmp)-ffirst] = '1';
else
str[pal_sop_cfuse(cur->sop, tmp)-ffirst] = '0';
}
fprintf(jfd, "L%05u %s* Note: ", ffirst, str);
if (cur->nexus)
fprintf(jfd, "%s ", ivl_nexus_name(cur->nexus));
{ int pin = pal_sop_pin(cur->sop);
if (pin > 0)
fprintf(jfd, "pin %d: ", pin);
}
if (pal_sop_is_register(cur->sop))
fprintf(jfd, "<registered");
else
fprintf(jfd, "<unregistered");
if (pal_sop_is_invert(cur->sop))
fprintf(jfd, ", invert");
fprintf(jfd, "> *\n");
free(str);
}
}
int emit_jedec(const char*path)
{
FILE*jfd;
jfd = fopen(path, "w");
if (jfd == 0) {
fprintf(stderr, "unable to open ``%s'' for output.\n", path);
return -1;
}
fprintf(jfd, "\002This file created by Icarus Verilog/PAL\n");
fprintf(jfd, "*\n");
fprintf(jfd, "QF%u* Number of fuses*\n", pal_fuses(pal));
fprintf(jfd, "F0* Note: Default fuse set to 0*\n");
fprintf(jfd, "G0* Note: Security fuse NOT blown.*\n");
draw_macrocell_modes(jfd);
fclose(jfd);
return 0;
}
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