fpgatools/bit2fp.c
2015-04-01 17:13:32 -04:00

99 lines
2.5 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"
static void help_exit(int argc, char **argv)
{
fprintf(stderr,
"\n"
"%s - bitstream to floorplan\n"
"Usage: %s [--help] [--verbose] [--bit-header] [--bit-regs] [--bit-crc]\n"
" %*s [--no-model] [--no-json] <bitstream_file>\n"
"\n", argv[0], argv[0], (int) strlen(argv[0]), "");
exit(EXIT_SUCCESS);
}
int main(int argc, char** argv)
{
struct fpga_model model;
int bit_header, bit_regs, bit_crc, json, pull_model, file_arg;
int verbose, flags, rc = -1;
struct fpga_config config;
// parameters
if (argc < 2) help_exit(argc, argv);
verbose = 0;
bit_header = 0;
bit_regs = 0;
bit_crc = 0;
pull_model = 1;
json = 1;
file_arg = 1;
while (file_arg < argc && !strncmp(argv[file_arg], "--", 2)) {
if (!strcmp(argv[file_arg], "--help"))
help_exit(argc, argv);
if (!strcmp(argv[file_arg], "--verbose"))
verbose = 1;
else 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-json"))
json = 0;
else break;
file_arg++;
}
// 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, verbose);
fclose(fbits);
if (rc) FAIL(rc);
}
// build model
if (config.idcode_reg == -1) FAIL(EINVAL);
// todo: scanf package from header string, better default for part
// 1. cmd line
// 2. header string
// 3. part-default
if ((rc = fpga_build_model(&model, config.reg[config.idcode_reg].int_v,
cmdline_package(argc, argv)))) 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 (!json) flags |= FP_NO_JSON;
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;
}