diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/makecrct.c | 28 |
1 files changed, 13 insertions, 15 deletions
diff --git a/tools/makecrct.c b/tools/makecrct.c index 9e65d24954..812954ac0a 100644 --- a/tools/makecrct.c +++ b/tools/makecrct.c @@ -15,9 +15,9 @@ and writes out the tables for the case that z_word_t is 32 bits. */ -#define W 8 /* Need a 64-bit integer type in order to generate crc32 tables. */ - -#include "crc32_braid_p.h" +#define POLY 0xedb88320 /* p(x) reflected, with x^32 implied */ +#define BRAID_W 8 /* Need a 64-bit integer type in order to generate crc32 tables. */ +typedef uint64_t z_word_t; static uint32_t crc_table[256]; static z_word_t crc_big_table[256]; @@ -156,32 +156,31 @@ static void print_crc_table(void) { printf("};\n\n"); /* print big-endian CRC table for 64-bit z_word_t */ - printf("#ifdef W\n\n"); - printf("#if W == 8\n\n"); + printf("#ifdef BRAID_W\n"); + printf("# if BRAID_W == 8\n\n"); printf("static const z_word_t crc_big_table[] = {\n"); printf(" "); write_table64(crc_big_table, 256); printf("};\n\n"); /* print big-endian CRC table for 32-bit z_word_t */ - printf("#else /* W == 4 */\n\n"); + printf("# else /* BRAID_W == 4 */\n\n"); printf("static const z_word_t crc_big_table[] = {\n"); printf(" "); write_table32hi(crc_big_table, 256); printf("};\n\n"); - printf("#endif\n\n"); - printf("#endif /* W */\n\n"); + printf("# endif\n"); + printf("#endif /* BRAID_W */\n\n"); /* write out braid tables for each value of N */ for (n = 1; n <= 6; n++) { - printf("#if N == %d\n", n); + printf("#if BRAID_N == %d\n", n); /* compute braid tables for this N and 64-bit word_t */ braid(ltl, big, n, 8); /* write out braid tables for 64-bit z_word_t */ - printf("\n"); - printf("#if W == 8\n\n"); + printf("# if BRAID_W == 8\n\n"); printf("static const uint32_t crc_braid_table[][256] = {\n"); for (k = 0; k < 8; k++) { printf(" {"); @@ -202,7 +201,7 @@ static void print_crc_table(void) { /* write out braid tables for 32-bit z_word_t */ printf("\n"); - printf("#else /* W == 4 */\n\n"); + printf("# else /* BRAID_W == 4 */\n\n"); printf("static const uint32_t crc_braid_table[][256] = {\n"); for (k = 0; k < 4; k++) { printf(" {"); @@ -217,9 +216,8 @@ static void print_crc_table(void) { printf("}%s", k < 3 ? ",\n" : ""); } printf("};\n\n"); - printf("#endif /* W */\n\n"); - - printf("#endif /* N == %d */\n", n); + printf("# endif /* BRAID_W */\n"); + printf("#endif /* BRAID_N == %d */\n", n); } printf("\n"); |