X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/b31ef4f5104384d0d301dcd27d11b3a9861b1d82..refs/pull/347/head:/client/fpga_compress.c

diff --git a/client/fpga_compress.c b/client/fpga_compress.c
index 0c40f22f..2ef883db 100644
--- a/client/fpga_compress.c
+++ b/client/fpga_compress.c
@@ -19,25 +19,27 @@
 #define MAX(a,b) ((a)>(b)?(a):(b))
 
 // zlib configuration
-#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.
+#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)
-*/	
-#define	COMPRESS_STRATEGY		Z_DEFAULT_STRATEGY
+*/
+
+#define	COMPRESS_STRATEGY       Z_DEFAULT_STRATEGY
 // 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            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)
 {
@@ -45,6 +47,8 @@ static void usage(void)
 	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>");
+	fprintf(stderr, "       fpga_compress -t <infile> <outfile>");
+	fprintf(stderr, "          Compress hardnested table <infile>. Write result to <outfile>");
 }
 
 
@@ -72,22 +76,29 @@ static bool all_feof(FILE *infile[], uint8_t num_infiles)
 }
 
 
-int zlib_compress(FILE *infile[], uint8_t num_infiles, FILE *outfile)
+int zlib_compress(FILE *infile[], uint8_t num_infiles, FILE *outfile, bool hardnested_mode)
 {
 	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);
-	
+	if (hardnested_mode) {
+		fpga_config = malloc(num_infiles * HARDNESTED_TABLE_SIZE);
+	} else {
+		fpga_config = malloc(num_infiles * FPGA_CONFIG_SIZE);
+	}		
 	// read the input files. Interleave them into fpga_config[]
 	i = 0;
 	do {
 
-		if (i >= num_infiles * FPGA_CONFIG_SIZE) {
-			fprintf(stderr, "Input files too big (total > %lu bytes). These are probably not PM3 FPGA config files.\n", num_infiles*FPGA_CONFIG_SIZE);
+		if (i >= num_infiles * (hardnested_mode?HARDNESTED_TABLE_SIZE:FPGA_CONFIG_SIZE)) {
+			if (hardnested_mode) {
+				fprintf(stderr, "Input file too big (> %lu bytes). This is probably not a hardnested bitflip state table.\n", HARDNESTED_TABLE_SIZE);
+			} else {
+				fprintf(stderr, "Input files too big (total > %lu 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]);
 			}
@@ -122,11 +133,11 @@ int zlib_compress(FILE *infile[], uint8_t num_infiles, FILE *outfile)
 						COMPRESS_STRATEGY);
 
 	// estimate the size of the compressed output
-	unsigned int outsize_max = deflateBound(&compressed_fpga_stream, compressed_fpga_stream.avail_in);
+	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;
-					
+        
 	if (ret == Z_OK) {
 		ret = deflateTune(&compressed_fpga_stream,
 							COMPRESS_GOOD_LENGTH,
@@ -139,10 +150,10 @@ int zlib_compress(FILE *infile[], uint8_t num_infiles, FILE *outfile)
 		ret = deflate(&compressed_fpga_stream, Z_FINISH);
 	}
 	
-	fprintf(stderr, "compressed %lu input bytes to %lu output bytes\n", i, 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) {
-		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++) {
@@ -177,7 +188,7 @@ int zlib_decompress(FILE *infile, FILE *outfile)
 	#define DECOMPRESS_BUF_SIZE 1024
 	uint8_t outbuf[DECOMPRESS_BUF_SIZE];
 	uint8_t inbuf[DECOMPRESS_BUF_SIZE];
-	int ret;
+	int32_t ret;
 	
 	z_stream compressed_fpga_stream;
 
@@ -197,7 +208,7 @@ int zlib_decompress(FILE *infile, FILE *outfile)
 			compressed_fpga_stream.next_in = inbuf;
 			uint16_t i = 0;
 			do {
-				int c = fgetc(infile);
+				int32_t c = fgetc(infile);
 				if (!feof(infile)) {
 					inbuf[i++] = c & 0xFF;
 					compressed_fpga_stream.avail_in++;
@@ -232,7 +243,7 @@ int zlib_decompress(FILE *infile, FILE *outfile)
 		fclose(infile);
 		return(EXIT_SUCCESS);
 	} else {
-		fprintf(stderr, "Error. Inflate() returned error %d, %s", ret, compressed_fpga_stream.msg);
+		fprintf(stderr, "Error. Inflate() returned error %i, %s", ret, compressed_fpga_stream.msg);
 		fclose(outfile);
 		fclose(infile);
 		return(EXIT_FAILURE);
@@ -251,7 +262,8 @@ int main(int argc, char **argv)
 		return(EXIT_FAILURE);
 	}
 	
-	if (!strcmp(argv[1], "-d")) {			// Decompress
+	if (!strcmp(argv[1], "-d")) { // Decompress
+
 		infiles = calloc(1, sizeof(FILE*));
 		if (argc != 4) {
 			usage();
@@ -269,13 +281,25 @@ int main(int argc, char **argv)
 		}
 		return zlib_decompress(infiles[0], outfile);
 
-	} else {								// Compress
+	} else { // Compress
 
-		infiles = calloc(argc-2, sizeof(FILE*));
-		for (uint16_t i = 0; i < argc-2; i++) { 
-			infiles[i] = fopen(argv[i+1], "rb");
+		bool hardnested_mode = false;
+		int num_input_files = 0;
+		if (!strcmp(argv[1], "-t")) { // hardnested table
+			if (argc != 4) {
+				usage();
+				return(EXIT_FAILURE);
+			}
+			hardnested_mode = true;
+			num_input_files = 1;
+		} else {
+			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");
 			if (infiles[i] == NULL) {
-				fprintf(stderr, "Error. Cannot open input file %s", argv[i+1]);
+				fprintf(stderr, "Error. Cannot open input file %s", argv[i+hardnested_mode?2:1]);
 				return(EXIT_FAILURE);
 			}
 		}
@@ -284,6 +308,6 @@ int main(int argc, char **argv)
 			fprintf(stderr, "Error. Cannot open output file %s", argv[argc-1]);
 			return(EXIT_FAILURE);
 		}
-		return zlib_compress(infiles, argc-2, outfile);
+		return zlib_compress(infiles, num_input_files, outfile, hardnested_mode);
 	}
 }