91 lines
2.2 KiB
C
91 lines
2.2 KiB
C
//
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// Author: Wolfgang Spraul
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//
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// This is free and unencumbered software released into the public domain.
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// For details see the UNLICENSE file at the root of the source tree.
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//
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#include "model.h"
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#include "floorplan.h"
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#include "bit.h"
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int main(int argc, char** argv)
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{
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struct fpga_model model;
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int bit_header, bit_regs, fp_header, pull_model, file_arg, flags;
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int print_swbits, rc = -1;
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struct fpga_config config;
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// parameters
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if (argc < 2) {
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fprintf(stderr,
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"\n"
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"%s - bitstream to floorplan\n"
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"Usage: %s [--bit-header] [--bit-regs] [--no-model] [--no-fp-header]\n"
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" %*s [--printf-swbits] <bitstream_file>\n"
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"\n", argv[0], argv[0], (int) strlen(argv[0]), "");
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goto fail;
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}
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bit_header = 0;
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bit_regs = 0;
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pull_model = 1;
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fp_header = 1;
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file_arg = 1;
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print_swbits = 0;
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while (file_arg < argc
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&& !strncmp(argv[file_arg], "--", 2)) {
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if (!strcmp(argv[file_arg], "--bit-header"))
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bit_header = 1;
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else if (!strcmp(argv[file_arg], "--bit-regs"))
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bit_regs = 1;
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else if (!strcmp(argv[file_arg], "--no-model"))
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pull_model = 0;
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else if (!strcmp(argv[file_arg], "--no-fp-header"))
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fp_header = 0;
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else if (!strcmp(argv[file_arg], "--printf-swbits"))
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print_swbits = 1;
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else break;
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file_arg++;
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}
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// build model
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if ((rc = fpga_build_model(&model, XC6SLX9_ROWS, XC6SLX9_COLUMNS,
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XC6SLX9_LEFT_WIRING, XC6SLX9_RIGHT_WIRING))) FAIL(rc);
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if (print_swbits) {
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rc = printf_swbits(&model);
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if (rc) FAIL(rc);
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return 0;
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}
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// read bitstream file
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{
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FILE* fbits = fopen(argv[file_arg], "r");
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if (!fbits) {
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fprintf(stderr, "Error opening %s.\n", argv[file_arg]);
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goto fail;
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}
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rc = read_bitfile(&config, fbits);
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fclose(fbits);
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if (rc) FAIL(rc);
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}
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// fill model from bitstream
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if (pull_model)
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if ((rc = extract_model(&model, &config.bits))) FAIL(rc);
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// dump model
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flags = FP_DEFAULT;
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if (!fp_header) flags |= FP_NO_HEADER;
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if ((rc = write_floorplan(stdout, &model, flags))) FAIL(rc);
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// dump what doesn't fit into the model
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flags = DUMP_BITS;
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if (bit_header) flags |= DUMP_HEADER_STR;
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if (bit_regs) flags |= DUMP_REGS;
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if ((rc = dump_config(&config, flags))) FAIL(rc);
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return EXIT_SUCCESS;
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fail:
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return rc;
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}
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