//-----------------------------------------------------------------------------
+// piwi, 2017, 2018
+//
// This code is licensed to you under the terms of the GNU GPL, version 2 or,
// at your option, any later version. See the LICENSE.txt file for the text of
// the license.
#include <stdio.h>
#include <stdlib.h>
+#include <libgen.h>
#include <string.h>
#include <stdint.h>
#include <stdbool.h>
+#include "fpga.h"
#include "zlib.h"
#define MAX(a,b) ((a)>(b)?(a):(b))
#define COMPRESS_MAX_NICE_LENGTH 258
#define COMPRESS_MAX_CHAIN 8192
-#define FPGA_INTERLEAVE_SIZE 288 // (the FPGA's internal config frame size is 288 bits. Interleaving with 288 bytes should give best compression)
-#define FPGA_CONFIG_SIZE 42336L // our current fpga_[lh]f.bit files are 42175 bytes. Rounded up to next multiple of FPGA_INTERLEAVE_SIZE
#define HARDNESTED_TABLE_SIZE (sizeof(uint32_t) * ((1L<<19)+1))
static void usage(void)
{
fprintf(stdout, "Usage: fpga_compress <infile1> <infile2> ... <infile_n> <outfile>\n");
fprintf(stdout, " Combine n FPGA bitstream files and compress them into one.\n\n");
- fprintf(stdout, " fpga_compress -d <infile> <outfile>");
- fprintf(stdout, " Decompress <infile>. Write result to <outfile>");
- fprintf(stdout, " fpga_compress -t <infile> <outfile>");
- fprintf(stdout, " Compress hardnested table <infile>. Write result to <outfile>");
+ fprintf(stdout, " fpga_compress -v <infile1> <infile2> ... <infile_n> <outfile>\n");
+ fprintf(stdout, " Extract Version Information from FPGA bitstream files and write it to <outfile>\n\n");
+ fprintf(stdout, " fpga_compress -d <infile> <outfile>\n");
+ fprintf(stdout, " Decompress <infile>. Write result to <outfile>\n\n");
+ fprintf(stdout, " fpga_compress -t <infile> <outfile>\n");
+ fprintf(stdout, " Compress hardnested table <infile>. Write result to <outfile>\n\n");
}
static void fpga_deflate_free(voidpf opaque, voidpf address)
{
- return free(address);
+ free(address);
}
for(uint16_t j = 0; j < num_infiles; j++) {
for(uint16_t k = 0; k < FPGA_INTERLEAVE_SIZE; k++) {
- c = fgetc(infile[j]);
+ c = (uint8_t)fgetc(infile[j]);
if (!feof(infile[j])) {
fpga_config[i++] = c;
} else if (num_infiles > 1) {
}
+/* Simple Xilinx .bit parser. The file starts with the fixed opaque byte sequence
+ * 00 09 0f f0 0f f0 0f f0 0f f0 00 00 01
+ * After that the format is 1 byte section type (ASCII character), 2 byte length
+ * (big endian), <length> bytes content. Except for section 'e' which has 4 bytes
+ * length.
+ */
+static int bitparse_find_section(FILE *infile, char section_name, unsigned int *section_length)
+{
+ int result = 0;
+ #define MAX_FPGA_BIT_STREAM_HEADER_SEARCH 100 // maximum number of bytes to search for the requested section
+ uint16_t numbytes = 0;
+ while(numbytes < MAX_FPGA_BIT_STREAM_HEADER_SEARCH) {
+ char current_name = (char)fgetc(infile);
+ numbytes++;
+ if(current_name < 'a' || current_name > 'e') {
+ /* Strange section name, abort */
+ break;
+ }
+ unsigned int current_length = 0;
+ switch(current_name) {
+ case 'e':
+ /* Four byte length field */
+ current_length += fgetc(infile) << 24;
+ current_length += fgetc(infile) << 16;
+ numbytes += 2;
+ default: /* Fall through, two byte length field */
+ current_length += fgetc(infile) << 8;
+ current_length += fgetc(infile) << 0;
+ numbytes += 2;
+ }
+
+ if(current_name != 'e' && current_length > 255) {
+ /* Maybe a parse error */
+ break;
+ }
+
+ if(current_name == section_name) {
+ /* Found it */
+ *section_length = current_length;
+ result = 1;
+ break;
+ }
+
+ for (uint16_t i = 0; i < current_length && numbytes < MAX_FPGA_BIT_STREAM_HEADER_SEARCH; i++) {
+ (void)fgetc(infile);
+ numbytes++;
+ }
+ }
+
+ return result;
+}
+
+
+static int FpgaGatherVersion(FILE *infile, char* infile_name, char *dst, int len)
+{
+ unsigned int fpga_info_len;
+ char tempstr[40] = {0x00};
+
+ dst[0] = '\0';
+
+ for (uint16_t i = 0; i < FPGA_BITSTREAM_FIXED_HEADER_SIZE; i++) {
+ if (fgetc(infile) != bitparse_fixed_header[i]) {
+ fprintf(stderr, "Invalid FPGA file. Aborting...\n\n");
+ return(EXIT_FAILURE);
+ }
+ }
+
+ strncat(dst, basename(infile_name), len-1);
+ // if (bitparse_find_section(infile, 'a', &fpga_info_len)) {
+ // for (uint16_t i = 0; i < fpga_info_len; i++) {
+ // char c = (char)fgetc(infile);
+ // if (i < sizeof(tempstr)) {
+ // tempstr[i] = c;
+ // }
+ // }
+ // strncat(dst, tempstr, len-1);
+ // }
+ strncat(dst, " built", len-1);
+ if (bitparse_find_section(infile, 'b', &fpga_info_len)) {
+ strncat(dst, " for ", len-1);
+ for (uint16_t i = 0; i < fpga_info_len; i++) {
+ char c = (char)fgetc(infile);
+ if (i < sizeof(tempstr)) {
+ tempstr[i] = c;
+ }
+ }
+ strncat(dst, tempstr, len-1);
+ }
+ if (bitparse_find_section(infile, 'c', &fpga_info_len)) {
+ strncat(dst, " on ", len-1);
+ for (uint16_t i = 0; i < fpga_info_len; i++) {
+ char c = (char)fgetc(infile);
+ if (i < sizeof(tempstr)) {
+ tempstr[i] = c;
+ }
+ }
+ strncat(dst, tempstr, len-1);
+ }
+ if (bitparse_find_section(infile, 'd', &fpga_info_len)) {
+ strncat(dst, " at ", len-1);
+ for (uint16_t i = 0; i < fpga_info_len; i++) {
+ char c = (char)fgetc(infile);
+ if (i < sizeof(tempstr)) {
+ tempstr[i] = c;
+ }
+ }
+ strncat(dst, tempstr, len-1);
+ }
+ return 0;
+}
+
+
+static void print_version_info_preamble(FILE *outfile, int num_infiles) {
+ fprintf(outfile, "//-----------------------------------------------------------------------------\n");
+ fprintf(outfile, "// piwi, 2018\n");
+ fprintf(outfile, "//\n");
+ fprintf(outfile, "// This code is licensed to you under the terms of the GNU GPL, version 2 or,\n");
+ fprintf(outfile, "// at your option, any later version. See the LICENSE.txt file for the text of\n");
+ fprintf(outfile, "// the license.\n");
+ fprintf(outfile, "//-----------------------------------------------------------------------------\n");
+ fprintf(outfile, "// Version information on fpga images\n");
+ fprintf(outfile, "//\n");
+ fprintf(outfile, "// This file is generated by fpga_compress. Don't edit!\n");
+ fprintf(outfile, "//-----------------------------------------------------------------------------\n");
+ fprintf(outfile, "\n");
+ fprintf(outfile, "\n");
+ fprintf(outfile, "const int fpga_bitstream_num = %d;\n", num_infiles);
+ fprintf(outfile, "const char* const fpga_version_information[%d] = {\n", num_infiles);
+}
+
+
+static int generate_fpga_version_info(FILE *infile[], char *infile_names[], int num_infiles, FILE *outfile) {
+
+ char version_string[80] = "";
+
+ print_version_info_preamble(outfile, num_infiles);
+
+ for (int i = 0; i < num_infiles; i++) {
+ FpgaGatherVersion(infile[i], infile_names[i], version_string, sizeof(version_string));
+ fprintf(outfile, "\t\"%s\"", version_string);
+ if (i != num_infiles-1) {
+ fprintf(outfile, ",");
+ }
+ fprintf(outfile,"\n");
+ }
+
+ fprintf(outfile, "};\n");
+
+ return 0;
+}
+
+
int main(int argc, char **argv)
{
FILE **infiles;
+ char **infile_names;
FILE *outfile;
if (argc == 1 || argc == 2) {
}
infiles[0] = fopen(argv[2], "rb");
if (infiles[0] == NULL) {
- fprintf(stderr, "Error. Cannot open input file %s", argv[2]);
+ fprintf(stderr, "Error. Cannot open input file %s\n\n", argv[2]);
return(EXIT_FAILURE);
}
outfile = fopen(argv[3], "wb");
if (outfile == NULL) {
- fprintf(stderr, "Error. Cannot open output file %s", argv[3]);
+ fprintf(stderr, "Error. Cannot open output file %s\n\n", argv[3]);
return(EXIT_FAILURE);
}
return zlib_decompress(infiles[0], outfile);
- } else { // Compress
+ } else { // Compress or gemerate version info
bool hardnested_mode = false;
+ bool generate_version_file = false;
int num_input_files = 0;
- if (!strcmp(argv[1], "-t")) { // hardnested table
+ if (!strcmp(argv[1], "-t")) { // compress one hardnested table
if (argc != 4) {
usage();
return(EXIT_FAILURE);
}
hardnested_mode = true;
num_input_files = 1;
- } else {
+ } else if (!strcmp(argv[1], "-v")) { // generate version info
+ generate_version_file = true;
+ num_input_files = argc-3;
+ } else { // compress 1..n fpga files
num_input_files = argc-2;
}
+
infiles = calloc(num_input_files, sizeof(FILE*));
- for (uint16_t i = 0; i < num_input_files; i++) {
- infiles[i] = fopen(argv[i+(hardnested_mode?2:1)], "rb");
+ infile_names = calloc(num_input_files, sizeof(char*));
+ for (uint16_t i = 0; i < num_input_files; i++) {
+ infile_names[i] = argv[i+((hardnested_mode || generate_version_file)?2:1)];
+ infiles[i] = fopen(infile_names[i], "rb");
if (infiles[i] == NULL) {
- fprintf(stderr, "Error. Cannot open input file %s", argv[i+(hardnested_mode?2:1)]);
+ fprintf(stderr, "Error. Cannot open input file %s\n\n", infile_names[i]);
return(EXIT_FAILURE);
}
}
outfile = fopen(argv[argc-1], "wb");
if (outfile == NULL) {
- fprintf(stderr, "Error. Cannot open output file %s", argv[argc-1]);
+ fprintf(stderr, "Error. Cannot open output file %s\n\n", argv[argc-1]);
return(EXIT_FAILURE);
}
- return zlib_compress(infiles, num_input_files, outfile, hardnested_mode);
+ if (generate_version_file) {
+ if (generate_fpga_version_info(infiles, infile_names, num_input_files, outfile)) {
+ return(EXIT_FAILURE);
+ }
+ } else {
+ return zlib_compress(infiles, num_input_files, outfile, hardnested_mode);
+ }
}
}
projects / proxmark3-svn / blobdiff