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e6153040 | 1 | //----------------------------------------------------------------------------- |
2 | // This code is licensed to you under the terms of the GNU GPL, version 2 or, | |
3 | // at your option, any later version. See the LICENSE.txt file for the text of | |
4 | // the license. | |
5 | //----------------------------------------------------------------------------- | |
6 | // Flasher frontend tool | |
7 | //----------------------------------------------------------------------------- | |
8 | ||
9 | #include <stdio.h> | |
10 | #include <stdlib.h> | |
11 | #include <string.h> | |
f3919878 | 12 | #include <stdint.h> |
fb228974 | 13 | #include <stdbool.h> |
f3919878 | 14 | #include "zlib.h" |
e6153040 | 15 | |
16 | #define MAX(a,b) ((a)>(b)?(a):(b)) | |
17 | ||
f3919878 | 18 | // zlib configuration |
19 | #define COMPRESS_LEVEL 9 // use best possible compression | |
fb228974 | 20 | #define COMPRESS_WINDOW_BITS 15 // default = 15 for a window of 2^15 = 32KBytes |
21 | #define COMPRESS_MEM_LEVEL 9 // determines the amount of memory allocated during compression. Default = 8. Must be < 9 | |
22 | /* COMPRESS_STRATEGY can be | |
23 | Z_DEFAULT_STRATEGY (the default), | |
24 | Z_FILTERED (more huffmann, less string matching), | |
25 | Z_HUFFMAN_ONLY (huffman only, no string matching) | |
26 | Z_RLE (distances limited to one) | |
27 | Z_FIXED (prevents the use of dynamic Huffman codes) | |
28 | */ | |
29 | #define COMPRESS_STRATEGY Z_DEFAULT_STRATEGY | |
30 | // zlib tuning parameters: | |
31 | #define COMPRESS_GOOD_LENGTH 258 | |
32 | #define COMPRESS_MAX_LAZY 258 | |
33 | #define COMPRESS_MAX_NICE_LENGTH 258 | |
34 | #define COMPRESS_MAX_CHAIN 8192 | |
35 | ||
36 | #define FPGA_INTERLEAVE_SIZE 288 // (the FPGA's internal config frame size is 288 bits. Interleaving with 288 bytes should give best compression) | |
37 | #define FPGA_CONFIG_SIZE 42336 // our current fpga_[lh]f.bit files are 42175 bytes. Rounded up to next multiple of FPGA_INTERLEAVE_SIZE | |
e6153040 | 38 | |
39 | static void usage(char *argv0) | |
40 | { | |
fb228974 | 41 | fprintf(stderr, "Usage: %s <infile1> <infile2> ... <infile_n> <outfile>\n\n", argv0); |
42 | fprintf(stderr, "Combines n FPGA bitstream files and compresses them into one.\n\n"); | |
e6153040 | 43 | } |
44 | ||
45 | ||
f3919878 | 46 | static voidpf fpga_deflate_malloc(voidpf opaque, uInt items, uInt size) |
e6153040 | 47 | { |
f3919878 | 48 | return malloc(items*size); |
e6153040 | 49 | } |
e6153040 | 50 | |
f3919878 | 51 | |
52 | static void fpga_deflate_free(voidpf opaque, voidpf address) | |
e6153040 | 53 | { |
f3919878 | 54 | return free(address); |
55 | } | |
e6153040 | 56 | |
f3919878 | 57 | |
fb228974 | 58 | static bool all_feof(FILE *infile[], uint8_t num_infiles) |
59 | { | |
60 | for (uint16_t i = 0; i < num_infiles; i++) { | |
61 | if (!feof(infile[i])) { | |
62 | return false; | |
63 | } | |
64 | } | |
65 | ||
66 | return true; | |
67 | } | |
68 | ||
69 | ||
70 | int zlib_compress(FILE *infile[], uint8_t num_infiles, FILE *outfile) | |
e6153040 | 71 | { |
fb228974 | 72 | uint8_t *fpga_config; |
73 | uint32_t i; | |
74 | int ret; | |
75 | uint8_t c; | |
f3919878 | 76 | z_stream compressed_fpga_stream; |
fb228974 | 77 | |
78 | fpga_config = malloc(num_infiles * FPGA_CONFIG_SIZE); | |
e6153040 | 79 | |
fb228974 | 80 | // read the input files interleaving into fpga_config[] |
e6153040 | 81 | i = 0; |
fb228974 | 82 | do { |
83 | for(uint16_t j = 0; j < num_infiles; j++) { | |
84 | for(uint16_t k = 0; k < FPGA_INTERLEAVE_SIZE; k++) { | |
85 | c = fgetc(infile[j]); | |
0fa01ec7 | 86 | if (!feof(infile[j])) { |
87 | fpga_config[i++] = c; | |
88 | } else if (num_infiles > 1) { | |
89 | fpga_config[i++] = '\0'; | |
90 | } | |
fb228974 | 91 | } |
92 | } | |
93 | ||
94 | if (i > num_infiles * FPGA_CONFIG_SIZE) { | |
95 | 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); | |
96 | for(uint16_t j = 0; j < num_infiles; j++) { | |
97 | fclose(infile[j]); | |
98 | } | |
e6153040 | 99 | return -1; |
100 | } | |
fb228974 | 101 | } while (!all_feof(infile, num_infiles)); |
e6153040 | 102 | |
fb228974 | 103 | fprintf(stderr, "Read a total of %ld bytes from %d files\n", i, num_infiles); |
104 | ||
f3919878 | 105 | // initialize zlib structures |
106 | compressed_fpga_stream.next_in = fpga_config; | |
107 | compressed_fpga_stream.avail_in = i; | |
108 | compressed_fpga_stream.zalloc = fpga_deflate_malloc; | |
109 | compressed_fpga_stream.zfree = fpga_deflate_free; | |
e6153040 | 110 | |
fb228974 | 111 | ret = deflateInit2(&compressed_fpga_stream, |
112 | COMPRESS_LEVEL, | |
113 | Z_DEFLATED, | |
114 | COMPRESS_WINDOW_BITS, | |
115 | COMPRESS_MEM_LEVEL, | |
116 | COMPRESS_STRATEGY); | |
117 | ||
f3919878 | 118 | // estimate the size of the compressed output |
119 | unsigned int outsize_max = deflateBound(&compressed_fpga_stream, compressed_fpga_stream.avail_in); | |
120 | uint8_t *outbuf = malloc(outsize_max); | |
121 | compressed_fpga_stream.next_out = outbuf; | |
122 | compressed_fpga_stream.avail_out = outsize_max; | |
e6153040 | 123 | |
fb228974 | 124 | |
125 | if (ret == Z_OK) { | |
126 | ret = deflateTune(&compressed_fpga_stream, | |
127 | COMPRESS_GOOD_LENGTH, | |
128 | COMPRESS_MAX_LAZY, | |
129 | COMPRESS_MAX_NICE_LENGTH, | |
130 | COMPRESS_MAX_CHAIN); | |
131 | } | |
132 | ||
f3919878 | 133 | if (ret == Z_OK) { |
134 | ret = deflate(&compressed_fpga_stream, Z_FINISH); | |
e6153040 | 135 | } |
e6153040 | 136 | |
4b3f6d79 | 137 | fprintf(stderr, "\ncompressed %d input bytes to %d output bytes\n", i, compressed_fpga_stream.total_out); |
f3919878 | 138 | |
139 | if (ret != Z_STREAM_END) { | |
140 | fprintf(stderr, "Error in deflate(): %d %s\n", ret, compressed_fpga_stream.msg); | |
141 | free(outbuf); | |
142 | deflateEnd(&compressed_fpga_stream); | |
fb228974 | 143 | for(uint16_t j = 0; j < num_infiles; j++) { |
144 | fclose(infile[j]); | |
145 | } | |
f3919878 | 146 | fclose(outfile); |
fb228974 | 147 | free(infile); |
148 | free(fpga_config); | |
f3919878 | 149 | return -1; |
150 | } | |
e6153040 | 151 | |
f3919878 | 152 | for (i = 0; i < compressed_fpga_stream.total_out; i++) { |
153 | fputc(outbuf[i], outfile); | |
154 | } | |
155 | ||
156 | free(outbuf); | |
157 | deflateEnd(&compressed_fpga_stream); | |
fb228974 | 158 | for(uint16_t j = 0; j < num_infiles; j++) { |
159 | fclose(infile[j]); | |
160 | } | |
e6153040 | 161 | fclose(outfile); |
fb228974 | 162 | free(infile); |
163 | free(fpga_config); | |
164 | ||
e6153040 | 165 | return 0; |
f3919878 | 166 | |
e6153040 | 167 | } |
168 | ||
169 | ||
4b3f6d79 | 170 | int zlib_decompress(FILE *infile, FILE *outfile) |
171 | { | |
172 | #define DECOMPRESS_BUF_SIZE 1024 | |
173 | uint8_t outbuf[DECOMPRESS_BUF_SIZE]; | |
174 | uint8_t inbuf[DECOMPRESS_BUF_SIZE]; | |
175 | int ret; | |
176 | ||
177 | z_stream compressed_fpga_stream; | |
178 | // initialize zlib structures | |
179 | compressed_fpga_stream.next_in = inbuf; | |
180 | compressed_fpga_stream.avail_in = 0; | |
181 | compressed_fpga_stream.next_out = outbuf; | |
182 | compressed_fpga_stream.avail_out = DECOMPRESS_BUF_SIZE; | |
183 | compressed_fpga_stream.zalloc = fpga_deflate_malloc; | |
184 | compressed_fpga_stream.zfree = fpga_deflate_free; | |
185 | ||
186 | ret = inflateInit2(&compressed_fpga_stream, 0); | |
187 | ||
188 | do { | |
189 | if (compressed_fpga_stream.avail_in == 0) { | |
190 | compressed_fpga_stream.next_in = inbuf; | |
191 | uint16_t i = 0; | |
192 | do { | |
193 | uint8_t c = fgetc(infile); | |
194 | if (!feof(infile)) { | |
195 | inbuf[i++] = c; | |
196 | compressed_fpga_stream.avail_in++; | |
197 | } else { | |
198 | break; | |
199 | } | |
200 | } while (i < DECOMPRESS_BUF_SIZE); | |
201 | } | |
202 | ||
203 | ret = inflate(&compressed_fpga_stream, Z_SYNC_FLUSH); | |
204 | ||
205 | if (ret != Z_OK && ret != Z_STREAM_END) { | |
206 | break; | |
207 | } | |
208 | ||
209 | if (compressed_fpga_stream.avail_out == 0) { | |
210 | for (uint16_t i = 0; i < DECOMPRESS_BUF_SIZE; i++) { | |
211 | fputc(outbuf[i], outfile); | |
212 | } | |
213 | compressed_fpga_stream.avail_out = DECOMPRESS_BUF_SIZE; | |
214 | compressed_fpga_stream.next_out = outbuf; | |
215 | } | |
216 | } while (ret == Z_OK); | |
217 | ||
218 | if (ret == Z_STREAM_END) { // reached end of input | |
219 | uint16_t i = 0; | |
220 | while (compressed_fpga_stream.avail_out < DECOMPRESS_BUF_SIZE) { | |
221 | fputc(outbuf[i++], outfile); | |
222 | compressed_fpga_stream.avail_out++; | |
223 | } | |
224 | fclose(outfile); | |
225 | fclose(infile); | |
226 | return 0; | |
227 | } else { | |
228 | fprintf(stderr, "Error. Inflate() returned error %d, %s", ret, compressed_fpga_stream.msg); | |
229 | fclose(outfile); | |
230 | fclose(infile); | |
231 | return -1; | |
232 | } | |
233 | ||
234 | } | |
235 | ||
f3919878 | 236 | |
e6153040 | 237 | int main(int argc, char **argv) |
238 | { | |
fb228974 | 239 | FILE **infiles; |
240 | FILE *outfile; | |
e6153040 | 241 | |
fb228974 | 242 | if (argc == 1 || argc == 2) { |
e6153040 | 243 | usage(argv[0]); |
244 | return -1; | |
fb228974 | 245 | } |
246 | ||
4b3f6d79 | 247 | if (!strcmp(argv[1], "-d")) { |
248 | infiles = calloc(1, sizeof(FILE*)); | |
249 | if (argc != 4) { | |
250 | usage(argv[0]); | |
251 | return -1; | |
252 | } | |
253 | infiles[0] = fopen(argv[2], "rb"); | |
254 | if (infiles[0] == NULL) { | |
255 | fprintf(stderr, "Error. Cannot open input file %s", argv[2]); | |
256 | return -1; | |
257 | } | |
258 | outfile = fopen(argv[3], "wb"); | |
259 | if (outfile == NULL) { | |
260 | fprintf(stderr, "Error. Cannot open output file %s", argv[3]); | |
261 | return -1; | |
262 | } | |
263 | return zlib_decompress(infiles[0], outfile); | |
264 | } | |
265 | ||
266 | ||
fb228974 | 267 | infiles = calloc(argc-2, sizeof(FILE*)); |
268 | ||
269 | for (uint16_t i = 0; i < argc-2; i++) { | |
270 | infiles[i] = fopen(argv[i+1], "rb"); | |
271 | if (infiles[i] == NULL) { | |
272 | fprintf(stderr, "Error. Cannot open input file %s", argv[i+1]); | |
273 | return -1; | |
e6153040 | 274 | } |
fb228974 | 275 | } |
276 | ||
277 | outfile = fopen(argv[argc-1], "wb"); | |
e6153040 | 278 | if (outfile == NULL) { |
fb228974 | 279 | fprintf(stderr, "Error. Cannot open output file %s", argv[argc-1]); |
e6153040 | 280 | return -1; |
4b3f6d79 | 281 | } |
e6153040 | 282 | |
fb228974 | 283 | return zlib_compress(infiles, argc-2, outfile); |
e6153040 | 284 | } |