fixed bug in ASKbiphaseDemod()

[proxmark3-svn] / client / fpga_compress.c

diff --git a/client/fpga_compress.c b/client/fpga_compress.c
index a672ab585e99ffbcd75c4d7ab25d391f05c6c480..418a02b8abfbd197c9598424a28c783b7d6e9929 100644 (file)
--- a/client/fpga_compress.c
+++ b/client/fpga_compress.c
@@ -1,4 +1,6 @@
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------

+// 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.
 // 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.


@@ -11,9 +13,11 @@
 
 #include <stdio.h>
 #include <stdlib.h>
 
 #include <stdio.h>
 #include <stdlib.h>

+#include <libgen.h>

 #include <string.h>
 #include <stdint.h>
 #include <stdbool.h>
 #include <string.h>
 #include <stdint.h>
 #include <stdbool.h>

+#include "fpga.h"

 #include "zlib.h"
 
 #define MAX(a,b) ((a)>(b)?(a):(b))
 #include "zlib.h"
 
 #define MAX(a,b) ((a)>(b)?(a):(b))


@@ -37,18 +41,18 @@
 #define COMPRESS_MAX_NICE_LENGTH       258
 #define COMPRESS_MAX_CHAIN            8192
 
 #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");
 #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");

 }
 
 
 }
 
 


@@ -60,7 +64,7 @@ static voidpf fpga_deflate_malloc(voidpf opaque, uInt items, uInt size)
 
 static void fpga_deflate_free(voidpf opaque, voidpf address)
 {
 
 static void fpga_deflate_free(voidpf opaque, voidpf address)
 {

-       return free(address);
+       free(address);

 }
 
 
 }
 
 


@@ -108,7 +112,7 @@ int zlib_compress(FILE *infile[], uint8_t num_infiles, FILE *outfile, bool hardn
 
                for(uint16_t j = 0; j < num_infiles; j++) {
                        for(uint16_t k = 0; k < FPGA_INTERLEAVE_SIZE; k++) {
 
                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) {
                                if (!feof(infile[j])) {
                                        fpga_config[i++] = c;
                                } else if (num_infiles > 1) {


@@ -252,9 +256,162 @@ int zlib_decompress(FILE *infile, FILE *outfile)
 }
 
 
 }
 
 

+/* 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;
 int main(int argc, char **argv)
 {
        FILE **infiles;

+       char **infile_names;

        FILE *outfile;
        
        if (argc == 1 || argc == 2) {
        FILE *outfile;
        
        if (argc == 1 || argc == 2) {


@@ -271,43 +428,56 @@ int main(int argc, char **argv)
                } 
                infiles[0] = fopen(argv[2], "rb");
                if (infiles[0] == NULL) {
                } 
                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) {
                        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);
 
                        return(EXIT_FAILURE);
                }
                return zlib_decompress(infiles[0], outfile);
 

-       } else { // Compress
+       } else { // Compress or gemerate version info

 
                bool hardnested_mode = false;
 
                bool hardnested_mode = false;

+               bool generate_version_file = false;

                int num_input_files = 0;
                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;
                        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;
                }
                        num_input_files = argc-2;
                }

+                       

                infiles = calloc(num_input_files, sizeof(FILE*));
                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) {
                        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) {
                                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(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);
+               }

        }
 }
        }
 }