fpgatools/fp2bit.c
2013-01-18 07:53:30 -05:00

71 lines
1.4 KiB
C

//
// Author: Wolfgang Spraul
//
// This is free and unencumbered software released into the public domain.
// For details see the UNLICENSE file at the root of the source tree.
//
#include "model.h"
#include "floorplan.h"
#include "bit.h"
int main(int argc, char** argv)
{
struct fpga_model model;
FILE *fbits = 0, *fp = 0;
int rc = -1;
if (argc != 2 && argc != 3) {
fprintf(stderr,
"\n"
"%s - floorplan to bitstream\n"
"Usage: %s <floorplan_file|- for stdin> [<bits_file>]\n"
"\n", argv[0], argv[0]);
goto fail;
}
if (!strcmp(argv[1], "-"))
fp = stdin;
else {
fp = fopen(argv[1], "r");
if (!fp) {
fprintf(stderr, "Error opening %s.\n", argv[1]);
goto fail;
}
}
if (argc == 3) {
fbits = fopen(argv[2], "w");
if (!fbits) {
fprintf(stderr, "Error opening %s.\n", argv[2]);
goto fail;
}
} else {
if (fp == stdin)
fbits = stdout;
else {
char out_name[256];
int i = strlen(argv[1]);
while (i && argv[1][i-1] != '.') i--;
snprintf(out_name, sizeof(out_name), "%.*sbit", i, argv[1]);
fbits = fopen(out_name, "w");
if (!fbits) {
fprintf(stderr, "Error opening %s.\n", out_name);
goto fail;
}
}
}
if ((rc = fpga_build_model(&model, XC6SLX9, TQG144)))
goto fail;
if ((rc = read_floorplan(&model, fp))) goto fail;
if ((rc = write_bitfile(fbits, &model))) goto fail;
fclose(fp);
fclose(fbits);
return EXIT_SUCCESS;
fail:
if (fp) fclose(fp);
if (fbits) fclose(fbits);
return rc;
}