1 /**********************************************************************
2 Copyright(c) 2011-2018 Intel Corporation All rights reserved.
3
4 Redistribution and use in source and binary forms, with or without
5 modification, are permitted provided that the following conditions
6 are met:
7 * Redistributions of source code must retain the above copyright
8 notice, this list of conditions and the following disclaimer.
9 * Redistributions in binary form must reproduce the above copyright
10 notice, this list of conditions and the following disclaimer in
11 the documentation and/or other materials provided with the
12 distribution.
13 * Neither the name of Intel Corporation nor the names of its
14 contributors may be used to endorse or promote products derived
15 from this software without specific prior written permission.
16
17 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 **********************************************************************/
29
30 #include <stdint.h>
31 #include <stdio.h>
32 #include <inttypes.h>
33 #include <string.h>
34 #include <stdlib.h>
35 #include "igzip_lib.h"
36
37 #define STATIC_INFLATE_FILE "static_inflate.h"
38 #define DOUBLE_SYM_THRESH (4 * 1024)
39
40 extern struct isal_hufftables hufftables_default;
41
42 /**
43 * @brief Prints a table of uint16_t elements to a file.
44 * @param outfile: the file the table is printed to.
45 * @param table: the table to be printed.
46 * @param length: number of elements to be printed.
47 * @param header: header to append in front of the table.
48 * @param footer: footer to append at the end of the table.
49 * @param begin_line: string printed at beginning of new line
50 */
fprint_uint16_table(FILE * outfile,uint16_t * table,uint64_t length,char * header,char * footer,char * begin_line)51 void fprint_uint16_table(FILE * outfile, uint16_t * table, uint64_t length, char *header,
52 char *footer, char *begin_line)
53 {
54 int i;
55 fprintf(outfile, "%s", header);
56 for (i = 0; i < length - 1; i++) {
57 if ((i & 7) == 0)
58 fprintf(outfile, "\n%s", begin_line);
59 else
60 fprintf(outfile, " ");
61 fprintf(outfile, "0x%04x,", table[i]);
62 }
63
64 if ((i & 7) == 0)
65 fprintf(outfile, "\n%s", begin_line);
66 else
67 fprintf(outfile, " ");
68 fprintf(outfile, "0x%04x", table[i]);
69 fprintf(outfile, "%s", footer);
70
71 }
72
73 /**
74 * @brief Prints a table of uint32_t elements to a file.
75 * @param outfile: the file the table is printed to.
76 * @param table: the table to be printed.
77 * @param length: number of elements to be printed.
78 * @param header: header to append in front of the table.
79 * @param footer: footer to append at the end of the table.
80 * @param begin_line: string printed at beginning of new line
81 */
fprint_uint32_table(FILE * outfile,uint32_t * table,uint64_t length,char * header,char * footer,char * begin_line)82 void fprint_uint32_table(FILE * outfile, uint32_t * table, uint64_t length, char *header,
83 char *footer, char *begin_line)
84 {
85 int i;
86 fprintf(outfile, "%s", header);
87 for (i = 0; i < length - 1; i++) {
88 if ((i & 3) == 0)
89 fprintf(outfile, "\n%s", begin_line);
90 else
91 fprintf(outfile, " ");
92 fprintf(outfile, "0x%08x,", table[i]);
93 }
94
95 if ((i & 3) == 0)
96 fprintf(outfile, "%s", begin_line);
97 else
98 fprintf(outfile, " ");
99 fprintf(outfile, "0x%08x", table[i]);
100 fprintf(outfile, "%s", footer);
101
102 }
103
fprint_header(FILE * output_file)104 void fprint_header(FILE * output_file)
105 {
106 fprintf(output_file, "#include \"igzip_lib.h\"\n\n");
107 fprintf(output_file, "#define LONG_BITS_CHECK %d\n", ISAL_DECODE_LONG_BITS);
108 fprintf(output_file, "#define SHORT_BITS_CHECK %d\n", ISAL_DECODE_SHORT_BITS);
109 fprintf(output_file,
110 "#if (LONG_BITS_CHECK == ISAL_DECODE_LONG_BITS) && (SHORT_BITS_CHECK == ISAL_DECODE_SHORT_BITS)\n"
111 "# define ISAL_STATIC_INFLATE_TABLE\n"
112 "#else\n"
113 "# warning \"Incompatible compile time defines for optimized static inflate table.\"\n"
114 "#endif\n\n");
115 }
116
main(int argc,char * argv[])117 int main(int argc, char *argv[])
118 {
119 struct inflate_state state;
120 FILE *file;
121 uint8_t static_deflate_hdr = 3;
122 uint8_t tmp_space[8], *in_buf;
123
124 if (NULL == (in_buf = malloc(DOUBLE_SYM_THRESH + 1))) {
125 printf("Can not allocote memory\n");
126 return 1;
127 }
128
129 isal_inflate_init(&state);
130
131 memcpy(in_buf, &static_deflate_hdr, sizeof(static_deflate_hdr));
132 state.next_in = in_buf;
133 state.avail_in = DOUBLE_SYM_THRESH + 1;
134 state.next_out = tmp_space;
135 state.avail_out = sizeof(tmp_space);
136
137 isal_inflate(&state);
138
139 file = fopen(STATIC_INFLATE_FILE, "w");
140
141 if (file == NULL) {
142 printf("Error creating file hufftables_c.c\n");
143 return 1;
144 }
145 // Add decode tables describing a type 2 static (fixed) header
146
147 fprintf(file, "#ifndef STATIC_HEADER_H\n" "#define STATIC_HEADER_H\n\n");
148
149 fprint_header(file);
150
151 fprintf(file, "struct inflate_huff_code_large static_lit_huff_code = {\n");
152 fprint_uint32_table(file, state.lit_huff_code.short_code_lookup,
153 sizeof(state.lit_huff_code.short_code_lookup) / sizeof(uint32_t),
154 "\t.short_code_lookup = {", "\t},\n\n", "\t\t");
155 fprint_uint16_table(file, state.lit_huff_code.long_code_lookup,
156 sizeof(state.lit_huff_code.long_code_lookup) / sizeof(uint16_t),
157 "\t.long_code_lookup = {", "\t}\n", "\t\t");
158 fprintf(file, "};\n\n");
159
160 fprintf(file, "struct inflate_huff_code_small static_dist_huff_code = {\n");
161 fprint_uint16_table(file, state.dist_huff_code.short_code_lookup,
162 sizeof(state.dist_huff_code.short_code_lookup) / sizeof(uint16_t),
163 "\t.short_code_lookup = {", "\t},\n\n", "\t\t");
164 fprint_uint16_table(file, state.dist_huff_code.long_code_lookup,
165 sizeof(state.dist_huff_code.long_code_lookup) / sizeof(uint16_t),
166 "\t.long_code_lookup = {", "\t}\n", "\t\t");
167 fprintf(file, "};\n\n");
168
169 fprintf(file, "#endif\n");
170
171 // Add other tables for known dynamic headers - level 0
172
173 isal_inflate_init(&state);
174
175 memcpy(in_buf, &hufftables_default.deflate_hdr,
176 sizeof(hufftables_default.deflate_hdr));
177 state.next_in = in_buf;
178 state.avail_in = DOUBLE_SYM_THRESH + 1;
179 state.next_out = tmp_space;
180 state.avail_out = sizeof(tmp_space);
181
182 isal_inflate(&state);
183
184 fprintf(file, "struct inflate_huff_code_large pregen_lit_huff_code = {\n");
185 fprint_uint32_table(file, state.lit_huff_code.short_code_lookup,
186 sizeof(state.lit_huff_code.short_code_lookup) / sizeof(uint32_t),
187 "\t.short_code_lookup = {", "\t},\n\n", "\t\t");
188 fprint_uint16_table(file, state.lit_huff_code.long_code_lookup,
189 sizeof(state.lit_huff_code.long_code_lookup) / sizeof(uint16_t),
190 "\t.long_code_lookup = {", "\t}\n", "\t\t");
191 fprintf(file, "};\n\n");
192
193 fprintf(file, "struct inflate_huff_code_small pregen_dist_huff_code = {\n");
194 fprint_uint16_table(file, state.dist_huff_code.short_code_lookup,
195 sizeof(state.dist_huff_code.short_code_lookup) / sizeof(uint16_t),
196 "\t.short_code_lookup = {", "\t},\n\n", "\t\t");
197 fprint_uint16_table(file, state.dist_huff_code.long_code_lookup,
198 sizeof(state.dist_huff_code.long_code_lookup) / sizeof(uint16_t),
199 "\t.long_code_lookup = {", "\t}\n", "\t\t");
200 fprintf(file, "};\n\n");
201
202 fclose(file);
203 free(in_buf);
204 return 0;
205 }
206