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209 lines
8.6 KiB
C
209 lines
8.6 KiB
C
/**********************************************************************
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Copyright(c) 2011-2018 Intel Corporation All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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* Neither the name of Intel Corporation nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**********************************************************************/
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#include <stdint.h>
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#include <stdio.h>
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#include <inttypes.h>
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#include <string.h>
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#include <stdlib.h>
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#include "igzip_lib.h"
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#define STATIC_INFLATE_FILE "static_inflate.h"
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#define DOUBLE_SYM_THRESH (4 * 1024)
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extern struct isal_hufftables hufftables_default;
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/**
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* @brief Prints a table of uint16_t elements to a file.
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* @param outfile: the file the table is printed to.
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* @param table: the table to be printed.
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* @param length: number of elements to be printed.
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* @param header: header to append in front of the table.
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* @param footer: footer to append at the end of the table.
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* @param begin_line: string printed at beginning of new line
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*/
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void
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fprint_uint16_table(FILE *outfile, uint16_t *table, uint64_t length, char *header, char *footer,
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char *begin_line)
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{
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int i;
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fprintf(outfile, "%s", header);
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for (i = 0; i < length - 1; i++) {
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if ((i & 7) == 0)
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fprintf(outfile, "\n%s", begin_line);
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else
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fprintf(outfile, " ");
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fprintf(outfile, "0x%04x,", table[i]);
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}
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if ((i & 7) == 0)
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fprintf(outfile, "\n%s", begin_line);
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else
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fprintf(outfile, " ");
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fprintf(outfile, "0x%04x", table[i]);
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fprintf(outfile, "%s", footer);
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}
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/**
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* @brief Prints a table of uint32_t elements to a file.
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* @param outfile: the file the table is printed to.
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* @param table: the table to be printed.
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* @param length: number of elements to be printed.
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* @param header: header to append in front of the table.
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* @param footer: footer to append at the end of the table.
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* @param begin_line: string printed at beginning of new line
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*/
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void
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fprint_uint32_table(FILE *outfile, uint32_t *table, uint64_t length, char *header, char *footer,
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char *begin_line)
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{
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int i;
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fprintf(outfile, "%s", header);
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for (i = 0; i < length - 1; i++) {
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if ((i & 3) == 0)
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fprintf(outfile, "\n%s", begin_line);
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else
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fprintf(outfile, " ");
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fprintf(outfile, "0x%08x,", table[i]);
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}
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if ((i & 3) == 0)
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fprintf(outfile, "%s", begin_line);
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else
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fprintf(outfile, " ");
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fprintf(outfile, "0x%08x", table[i]);
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fprintf(outfile, "%s", footer);
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}
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void
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fprint_header(FILE *output_file)
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{
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fprintf(output_file, "#include \"igzip_lib.h\"\n\n");
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fprintf(output_file, "#define LONG_BITS_CHECK %d\n", ISAL_DECODE_LONG_BITS);
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fprintf(output_file, "#define SHORT_BITS_CHECK %d\n", ISAL_DECODE_SHORT_BITS);
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fprintf(output_file, "#if (LONG_BITS_CHECK == ISAL_DECODE_LONG_BITS) && (SHORT_BITS_CHECK "
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"== ISAL_DECODE_SHORT_BITS)\n"
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"# define ISAL_STATIC_INFLATE_TABLE\n"
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"#else\n"
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"# warning \"Incompatible compile time defines for optimized static "
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"inflate table.\"\n"
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"#endif\n\n");
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}
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int
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main(int argc, char *argv[])
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{
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struct inflate_state state;
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FILE *file;
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uint8_t static_deflate_hdr = 3;
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uint8_t tmp_space[8], *in_buf;
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if (NULL == (in_buf = malloc(DOUBLE_SYM_THRESH + 1))) {
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printf("Can not allocote memory\n");
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return 1;
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}
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isal_inflate_init(&state);
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memcpy(in_buf, &static_deflate_hdr, sizeof(static_deflate_hdr));
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state.next_in = in_buf;
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state.avail_in = DOUBLE_SYM_THRESH + 1;
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state.next_out = tmp_space;
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state.avail_out = sizeof(tmp_space);
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isal_inflate(&state);
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file = fopen(STATIC_INFLATE_FILE, "w");
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if (file == NULL) {
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printf("Error creating file hufftables_c.c\n");
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return 1;
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}
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// Add decode tables describing a type 2 static (fixed) header
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fprintf(file, "#ifndef STATIC_HEADER_H\n"
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"#define STATIC_HEADER_H\n\n");
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fprint_header(file);
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fprintf(file, "struct inflate_huff_code_large static_lit_huff_code = {\n");
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fprint_uint32_table(file, state.lit_huff_code.short_code_lookup,
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sizeof(state.lit_huff_code.short_code_lookup) / sizeof(uint32_t),
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"\t.short_code_lookup = {", "\t},\n\n", "\t\t");
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fprint_uint16_table(file, state.lit_huff_code.long_code_lookup,
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sizeof(state.lit_huff_code.long_code_lookup) / sizeof(uint16_t),
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"\t.long_code_lookup = {", "\t}\n", "\t\t");
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fprintf(file, "};\n\n");
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fprintf(file, "struct inflate_huff_code_small static_dist_huff_code = {\n");
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fprint_uint16_table(file, state.dist_huff_code.short_code_lookup,
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sizeof(state.dist_huff_code.short_code_lookup) / sizeof(uint16_t),
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"\t.short_code_lookup = {", "\t},\n\n", "\t\t");
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fprint_uint16_table(file, state.dist_huff_code.long_code_lookup,
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sizeof(state.dist_huff_code.long_code_lookup) / sizeof(uint16_t),
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"\t.long_code_lookup = {", "\t}\n", "\t\t");
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fprintf(file, "};\n\n");
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fprintf(file, "#endif\n");
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// Add other tables for known dynamic headers - level 0
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isal_inflate_init(&state);
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memcpy(in_buf, &hufftables_default.deflate_hdr, sizeof(hufftables_default.deflate_hdr));
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state.next_in = in_buf;
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state.avail_in = DOUBLE_SYM_THRESH + 1;
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state.next_out = tmp_space;
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state.avail_out = sizeof(tmp_space);
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isal_inflate(&state);
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fprintf(file, "struct inflate_huff_code_large pregen_lit_huff_code = {\n");
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fprint_uint32_table(file, state.lit_huff_code.short_code_lookup,
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sizeof(state.lit_huff_code.short_code_lookup) / sizeof(uint32_t),
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"\t.short_code_lookup = {", "\t},\n\n", "\t\t");
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fprint_uint16_table(file, state.lit_huff_code.long_code_lookup,
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sizeof(state.lit_huff_code.long_code_lookup) / sizeof(uint16_t),
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"\t.long_code_lookup = {", "\t}\n", "\t\t");
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fprintf(file, "};\n\n");
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fprintf(file, "struct inflate_huff_code_small pregen_dist_huff_code = {\n");
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fprint_uint16_table(file, state.dist_huff_code.short_code_lookup,
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sizeof(state.dist_huff_code.short_code_lookup) / sizeof(uint16_t),
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"\t.short_code_lookup = {", "\t},\n\n", "\t\t");
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fprint_uint16_table(file, state.dist_huff_code.long_code_lookup,
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sizeof(state.dist_huff_code.long_code_lookup) / sizeof(uint16_t),
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"\t.long_code_lookup = {", "\t}\n", "\t\t");
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fprintf(file, "};\n\n");
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fclose(file);
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free(in_buf);
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return 0;
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}
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