Update cmdhf14a.c

[proxmark3-svn] / client / fpga_compress.c

diff --git a/client/fpga_compress.c b/client/fpga_compress.c
index 5164f6d41bbb6612255d943a0c7cdf5b5cac6ebd..28154243825350d527f569ac4390c57933ca530a 100644 (file)
--- a/client/fpga_compress.c
+++ b/client/fpga_compress.c
@@ -3,7 +3,10 @@
 // at your option, any later version. See the LICENSE.txt file for the text of
 // the license.
 //-----------------------------------------------------------------------------
 // at your option, any later version. See the LICENSE.txt file for the text of
 // the license.
 //-----------------------------------------------------------------------------

-// Flasher frontend tool
+// Compression tool for FPGA config files. Compress several *.bit files at
+// compile time. Decompression is done at run time (see fpgaloader.c).
+// This uses the zlib library tuned to this specific case. The small file sizes
+// allow to use "insane" parameters for optimum compression ratio.

 //-----------------------------------------------------------------------------
 
 #include <stdio.h>
 //-----------------------------------------------------------------------------
 
 #include <stdio.h>


@@ -16,43 +19,44 @@
 #define MAX(a,b) ((a)>(b)?(a):(b))
 
 // zlib configuration
 #define MAX(a,b) ((a)>(b)?(a):(b))
 
 // zlib configuration

-#define COMPRESS_LEVEL                 9               // use best possible compression
-#define COMPRESS_WINDOW_BITS   15              // default = 15 for a window of 2^15 = 32KBytes
-#define COMPRESS_MEM_LEVEL             9               // determines the amount of memory allocated during compression. Default = 8. Must be < 9
+#define COMPRESS_LEVEL           9  // use best possible compression
+#define COMPRESS_WINDOW_BITS    15  // default = max = 15 for a window of 2^15 = 32KBytes
+#define COMPRESS_MEM_LEVEL       9  // determines the amount of memory allocated during compression. Default = 8.

 /* COMPRESS_STRATEGY can be 
        Z_DEFAULT_STRATEGY (the default), 
        Z_FILTERED (more huffmann, less string matching),
        Z_HUFFMAN_ONLY (huffman only, no string matching)
        Z_RLE (distances limited to one)
        Z_FIXED (prevents the use of dynamic Huffman codes)
 /* COMPRESS_STRATEGY can be 
        Z_DEFAULT_STRATEGY (the default), 
        Z_FILTERED (more huffmann, less string matching),
        Z_HUFFMAN_ONLY (huffman only, no string matching)
        Z_RLE (distances limited to one)
        Z_FIXED (prevents the use of dynamic Huffman codes)

-*/     
-#define        COMPRESS_STRATEGY               Z_DEFAULT_STRATEGY
+*/
+
+#define        COMPRESS_STRATEGY       Z_DEFAULT_STRATEGY

 // zlib tuning parameters:
 // zlib tuning parameters:

-#define COMPRESS_GOOD_LENGTH           258
-#define        COMPRESS_MAX_LAZY                       258     
-#define        COMPRESS_MAX_NICE_LENGTH        258
-#define        COMPRESS_MAX_CHAIN                      8192
+#define COMPRESS_GOOD_LENGTH           258
+#define COMPRESS_MAX_LAZY              258
+#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               42336   // our current fpga_[lh]f.bit files are 42175 bytes. Rounded up to next multiple of FPGA_INTERLEAVE_SIZE
+#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             42336  // our current fpga_[lh]f.bit files are 42175 bytes. Rounded up to next multiple of FPGA_INTERLEAVE_SIZE

 
 

-static void usage(char *argv0)
+static void usage(void)

 {
 {

-       fprintf(stderr, "Usage:   %s <infile1> <infile2> ... <infile_n> <outfile>\n\n", argv0);
-       fprintf(stderr, "Combines n FPGA bitstream files and compresses them into one.\n\n");
+       fprintf(stderr, "Usage: fpga_compress <infile1> <infile2> ... <infile_n> <outfile>\n");
+       fprintf(stderr, "          Combine n FPGA bitstream files and compress them into one.\n\n");
+       fprintf(stderr, "       fpga_compress -d <infile> <outfile>");
+       fprintf(stderr, "          Decompress <infile>. Write result to <outfile>");

 }
 
 
 static voidpf fpga_deflate_malloc(voidpf opaque, uInt items, uInt size)
 {
 }
 
 
 static voidpf fpga_deflate_malloc(voidpf opaque, uInt items, uInt size)
 {

-       fprintf(stderr, "zlib requested %d bytes\n", items*size);

        return malloc(items*size);
 }
 
 
 static void fpga_deflate_free(voidpf opaque, voidpf address)
 {
        return malloc(items*size);
 }
 
 
 static void fpga_deflate_free(voidpf opaque, voidpf address)
 {

-       fprintf(stderr, "zlib frees memory\n");

        return free(address);
 }
 
        return free(address);
 }
 


@@ -73,15 +77,25 @@ int zlib_compress(FILE *infile[], uint8_t num_infiles, FILE *outfile)
 {
        uint8_t *fpga_config;
        uint32_t i;
 {
        uint8_t *fpga_config;
        uint32_t i;

-       int ret;
-       uint8_t c;              
+       int32_t ret;
+       uint8_t c;

        z_stream compressed_fpga_stream;
 
        fpga_config = malloc(num_infiles * FPGA_CONFIG_SIZE);
        
        z_stream compressed_fpga_stream;
 
        fpga_config = malloc(num_infiles * FPGA_CONFIG_SIZE);
        

-       // read the input files interleaving into fpga_config[]
+       // read the input files. Interleave them into fpga_config[]

        i = 0;
        do {
        i = 0;
        do {

+
+               if (i >= num_infiles * FPGA_CONFIG_SIZE) {
+                       fprintf(stderr, "Input files too big (total > %u bytes). These are probably not PM3 FPGA config files.\n", num_infiles*FPGA_CONFIG_SIZE);
+                       for(uint16_t j = 0; j < num_infiles; j++) {
+                               fclose(infile[j]);
+                       }
+                       free(fpga_config);
+                       return(EXIT_FAILURE);
+               }
+

                for(uint16_t j = 0; j < num_infiles; j++) {
                        for(uint16_t k = 0; k < FPGA_INTERLEAVE_SIZE; k++) {
                                c = fgetc(infile[j]);
                for(uint16_t j = 0; j < num_infiles; j++) {
                        for(uint16_t k = 0; k < FPGA_INTERLEAVE_SIZE; k++) {
                                c = fgetc(infile[j]);


@@ -93,23 +107,14 @@ int zlib_compress(FILE *infile[], uint8_t num_infiles, FILE *outfile)
                        }
                }
 
                        }
                }
 

-               if (i > num_infiles * FPGA_CONFIG_SIZE) {
-                       fprintf(stderr, "Input files too big (total of %ld > %d bytes). These are probably not PM3 FPGA config files.", i, num_infiles*FPGA_CONFIG_SIZE);
-                       for(uint16_t j = 0; j < num_infiles; j++) {
-                               fclose(infile[j]);
-                       }
-                       return -1;
-               }

        } while (!all_feof(infile, num_infiles));
 
        } while (!all_feof(infile, num_infiles));
 

-       fprintf(stderr, "Read a total of %ld bytes from %d files\n", i, num_infiles);
-       

        // initialize zlib structures
        compressed_fpga_stream.next_in = fpga_config;
        compressed_fpga_stream.avail_in = i;
        compressed_fpga_stream.zalloc = fpga_deflate_malloc;
        compressed_fpga_stream.zfree = fpga_deflate_free;
        // initialize zlib structures
        compressed_fpga_stream.next_in = fpga_config;
        compressed_fpga_stream.avail_in = i;
        compressed_fpga_stream.zalloc = fpga_deflate_malloc;
        compressed_fpga_stream.zfree = fpga_deflate_free;

-       
+       compressed_fpga_stream.opaque = Z_NULL;

        ret = deflateInit2(&compressed_fpga_stream, 
                                                COMPRESS_LEVEL,
                                                Z_DEFLATED,
        ret = deflateInit2(&compressed_fpga_stream, 
                                                COMPRESS_LEVEL,
                                                Z_DEFLATED,


@@ -118,13 +123,11 @@ int zlib_compress(FILE *infile[], uint8_t num_infiles, FILE *outfile)
                                                COMPRESS_STRATEGY);
 
        // estimate the size of the compressed output
                                                COMPRESS_STRATEGY);
 
        // estimate the size of the compressed output

-       unsigned int outsize_max = deflateBound(&compressed_fpga_stream, compressed_fpga_stream.avail_in);
-       fprintf(stderr, "Allocating %ld bytes for output file (estimated upper bound)\n", outsize_max);
+       uint32_t outsize_max = deflateBound(&compressed_fpga_stream, compressed_fpga_stream.avail_in);

        uint8_t *outbuf = malloc(outsize_max);
        compressed_fpga_stream.next_out = outbuf;
        compressed_fpga_stream.avail_out = outsize_max;
        uint8_t *outbuf = malloc(outsize_max);
        compressed_fpga_stream.next_out = outbuf;
        compressed_fpga_stream.avail_out = outsize_max;

-       
-                                       
+        

        if (ret == Z_OK) {
                ret = deflateTune(&compressed_fpga_stream,
                                                        COMPRESS_GOOD_LENGTH,
        if (ret == Z_OK) {
                ret = deflateTune(&compressed_fpga_stream,
                                                        COMPRESS_GOOD_LENGTH,


@@ -137,10 +140,10 @@ int zlib_compress(FILE *infile[], uint8_t num_infiles, FILE *outfile)
                ret = deflate(&compressed_fpga_stream, Z_FINISH);
        }
        
                ret = deflate(&compressed_fpga_stream, Z_FINISH);
        }
        

-       fprintf(stderr, "produced %d bytes of output\n", compressed_fpga_stream.total_out);
+       fprintf(stderr, "compressed %u input bytes to %lu output bytes\n", i, compressed_fpga_stream.total_out);

 
        if (ret != Z_STREAM_END) {
 
        if (ret != Z_STREAM_END) {

-               fprintf(stderr, "Error in deflate(): %d %s\n", ret, compressed_fpga_stream.msg);
+               fprintf(stderr, "Error in deflate(): %i %s\n", ret, compressed_fpga_stream.msg);

                free(outbuf);
                deflateEnd(&compressed_fpga_stream);
                for(uint16_t j = 0; j < num_infiles; j++) {
                free(outbuf);
                deflateEnd(&compressed_fpga_stream);
                for(uint16_t j = 0; j < num_infiles; j++) {


@@ -149,7 +152,7 @@ int zlib_compress(FILE *infile[], uint8_t num_infiles, FILE *outfile)
                fclose(outfile);
                free(infile);
                free(fpga_config);
                fclose(outfile);
                free(infile);
                free(fpga_config);

-               return -1;
+               return(EXIT_FAILURE);

                }
                
        for (i = 0; i < compressed_fpga_stream.total_out; i++) {
                }
                
        for (i = 0; i < compressed_fpga_stream.total_out; i++) {


@@ -165,11 +168,79 @@ int zlib_compress(FILE *infile[], uint8_t num_infiles, FILE *outfile)
        free(infile);
        free(fpga_config);
        
        free(infile);
        free(fpga_config);
        

-       return 0;
+       return(EXIT_SUCCESS);

        
 }
 
 
        
 }
 
 

+int zlib_decompress(FILE *infile, FILE *outfile)
+{
+       #define DECOMPRESS_BUF_SIZE 1024
+       uint8_t outbuf[DECOMPRESS_BUF_SIZE];
+       uint8_t inbuf[DECOMPRESS_BUF_SIZE];
+       int32_t ret;
+       
+       z_stream compressed_fpga_stream;
+
+       // initialize zlib structures
+       compressed_fpga_stream.next_in = inbuf;
+       compressed_fpga_stream.avail_in = 0;
+       compressed_fpga_stream.next_out = outbuf;
+       compressed_fpga_stream.avail_out = DECOMPRESS_BUF_SIZE;
+       compressed_fpga_stream.zalloc = fpga_deflate_malloc;
+       compressed_fpga_stream.zfree = fpga_deflate_free;
+       compressed_fpga_stream.opaque = Z_NULL;
+       
+       ret = inflateInit2(&compressed_fpga_stream, 0);
+       
+       do {
+               if (compressed_fpga_stream.avail_in == 0) {
+                       compressed_fpga_stream.next_in = inbuf;
+                       uint16_t i = 0;
+                       do {
+                               int32_t c = fgetc(infile);
+                               if (!feof(infile)) {
+                                       inbuf[i++] = c & 0xFF;
+                                       compressed_fpga_stream.avail_in++;
+                               } else {
+                                       break;
+                               }
+                       } while (i < DECOMPRESS_BUF_SIZE);
+               }
+
+               ret = inflate(&compressed_fpga_stream, Z_SYNC_FLUSH);
+
+               if (ret != Z_OK && ret != Z_STREAM_END) {
+                       break;
+               }
+
+               if (compressed_fpga_stream.avail_out == 0) {
+                       for (uint16_t i = 0; i < DECOMPRESS_BUF_SIZE; i++) {
+                               fputc(outbuf[i], outfile);
+                       }
+                       compressed_fpga_stream.avail_out = DECOMPRESS_BUF_SIZE;
+                       compressed_fpga_stream.next_out = outbuf;
+               }
+       } while (ret == Z_OK);
+
+       if (ret == Z_STREAM_END) {  // reached end of input
+               uint16_t i = 0;
+               while (compressed_fpga_stream.avail_out < DECOMPRESS_BUF_SIZE) {
+                       fputc(outbuf[i++], outfile);
+                       compressed_fpga_stream.avail_out++;
+               }
+               fclose(outfile);
+               fclose(infile);
+               return(EXIT_SUCCESS);
+       } else {
+               fprintf(stderr, "Error. Inflate() returned error %i, %s", ret, compressed_fpga_stream.msg);
+               fclose(outfile);
+               fclose(infile);
+               return(EXIT_FAILURE);
+       }
+       
+}
+

 
 int main(int argc, char **argv)
 {
 
 int main(int argc, char **argv)
 {


@@ -177,25 +248,43 @@ int main(int argc, char **argv)
        FILE *outfile;
        
        if (argc == 1 || argc == 2) {
        FILE *outfile;
        
        if (argc == 1 || argc == 2) {

-               usage(argv[0]);
-               return -1;
+               usage();
+               return(EXIT_FAILURE);

        }
        
        }
        

-       infiles = calloc(argc-2, sizeof(FILE*));
-       
-       for (uint16_t i = 0; i < argc-2; i++) { 
-               infiles[i] = fopen(argv[i+1], "rb");
-               if (infiles[i] == NULL) {
-                       fprintf(stderr, "Error. Cannot open input file %s", argv[i+1]);
-                       return -1;
+       if (!strcmp(argv[1], "-d")) { // Decompress
+               infiles = calloc(1, sizeof(FILE*));
+               if (argc != 4) {
+                       usage();
+                       return(EXIT_FAILURE);
+               } 
+               infiles[0] = fopen(argv[2], "rb");
+               if (infiles[0] == NULL) {
+                       fprintf(stderr, "Error. Cannot open input file %s", argv[2]);
+                       return(EXIT_FAILURE);

                }
                }

-       }
+               outfile = fopen(argv[3], "wb");
+               if (outfile == NULL) {
+                       fprintf(stderr, "Error. Cannot open output file %s", argv[3]);
+                       return(EXIT_FAILURE);
+               }
+               return zlib_decompress(infiles[0], outfile);
+
+       } else { // Compress

 
 

-       outfile = fopen(argv[argc-1], "wb");
-       if (outfile == NULL) {
-               fprintf(stderr, "Error. Cannot open output file %s", argv[argc-1]);
-               return -1;
+               infiles = calloc(argc-2, sizeof(FILE*));
+               for (uint16_t i = 0; i < argc-2; i++) { 
+                       infiles[i] = fopen(argv[i+1], "rb");
+                       if (infiles[i] == NULL) {
+                               fprintf(stderr, "Error. Cannot open input file %s", argv[i+1]);
+                               return(EXIT_FAILURE);
+                       }

                }
                }

-               
-       return zlib_compress(infiles, argc-2, outfile);
+               outfile = fopen(argv[argc-1], "wb");
+               if (outfile == NULL) {
+                       fprintf(stderr, "Error. Cannot open output file %s", argv[argc-1]);
+                       return(EXIT_FAILURE);
+               }
+               return zlib_compress(infiles, argc-2, outfile);
+       }

 }
 }