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//
// 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;
int bit_header, bit_regs, bit_crc, fp_header, pull_model, file_arg, flags;
int print_swbits, rc = -1;
struct fpga_config config;
// parameters
if (argc < 2) {
fprintf(stderr,
"\n"
"%s - bitstream to floorplan\n"
"Usage: %s [--bit-header] [--bit-regs] [--bit-crc] [--no-model]\n"
" %*s [--no-fp-header] [--printf-swbits] <bitstream_file>\n"
"\n", argv[0], argv[0], (int) strlen(argv[0]), "");
goto fail;
}
bit_header = 0;
bit_regs = 0;
bit_crc = 0;
pull_model = 1;
fp_header = 1;
file_arg = 1;
print_swbits = 0;
while (file_arg < argc
&& !strncmp(argv[file_arg], "--", 2)) {
if (!strcmp(argv[file_arg], "--bit-header"))
bit_header = 1;
else if (!strcmp(argv[file_arg], "--bit-regs"))
bit_regs = 1;
else if (!strcmp(argv[file_arg], "--bit-crc"))
bit_crc = 1;
else if (!strcmp(argv[file_arg], "--no-model"))
pull_model = 0;
else if (!strcmp(argv[file_arg], "--no-fp-header"))
fp_header = 0;
else if (!strcmp(argv[file_arg], "--printf-swbits"))
print_swbits = 1;
else break;
file_arg++;
}
// build model
if ((rc = fpga_build_model(&model, XC6SLX9, TQG144)))
FAIL(rc);
if (print_swbits) {
rc = printf_swbits(&model);
if (rc) FAIL(rc);
return 0;
}
// read binary configuration file
{
FILE* fbits = fopen(argv[file_arg], "r");
if (!fbits) {
fprintf(stderr, "Error opening %s.\n", argv[file_arg]);
goto fail;
}
rc = read_bitfile(&config, fbits);
fclose(fbits);
if (rc) FAIL(rc);
}
// fill model from binary configuration
if (pull_model)
if ((rc = extract_model(&model, &config.bits))) FAIL(rc);
// dump model
flags = FP_DEFAULT;
if (!fp_header) flags |= FP_NO_HEADER;
if ((rc = write_floorplan(stdout, &model, flags))) FAIL(rc);
// dump what doesn't fit into the model
flags = DUMP_BITS;
if (bit_header) flags |= DUMP_HEADER_STR;
if (bit_regs) flags |= DUMP_REGS;
if (bit_crc) flags |= DUMP_CRC;
if ((rc = dump_config(&config, flags))) FAIL(rc);
return EXIT_SUCCESS;
fail:
return rc;
}
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