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author | Kevin | 2014-11-15 11:48:36 +0800 |
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committer | Kevin | 2014-11-15 11:48:36 +0800 |
commit | d04075478d378d9e15f3e1abfd14b0bd124077d4 (patch) | |
tree | 733dd964582f388b9e3e367c249946cd32a2851f /board/wmt/env.c | |
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init commit via android 4.4 uboot
Diffstat (limited to 'board/wmt/env.c')
-rwxr-xr-x | board/wmt/env.c | 337 |
1 files changed, 337 insertions, 0 deletions
diff --git a/board/wmt/env.c b/board/wmt/env.c new file mode 100755 index 0000000..fb10833 --- /dev/null +++ b/board/wmt/env.c @@ -0,0 +1,337 @@ +/* + * This file is derived from crc32.c in U-Boot 1.1.4. + * For conditions of distribution and use, see copyright in crc32.c + */ + +/*++ +Copyright (c) 2010 WonderMedia Technologies, Inc. + +This program is free software: you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation, either version 2 of the License, or (at your option) any later version. + +This program is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A +PARTICULAR PURPOSE. See the GNU General Public License for more details. You +should have received a copy of the GNU General Public License along with this +program. If not, see http://www.gnu.org/licenses/>. + +WonderMedia Technologies, Inc. +10F, 529, Chung-Cheng Road, Hsin-Tien, Taipei 231, R.O.C. +--*/ + +//#include <stdio.h> +//#include <stdarg.h> +//#include <stdlib.h> +//#include <string.h> +#include <malloc.h> +#include "env.h" +#ifndef NULL +#define NULL 0 +#endif +#define printf(...) +const unsigned int sf_crc_table[256] = { + 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, + 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, + 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, + 0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, + 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856, + 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, + 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, + 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, + 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, + 0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a, + 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, + 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, + 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, + 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, + 0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e, + 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01, + 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, + 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950, + 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, + 0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, + 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, + 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, + 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010, + 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f, + 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, + 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, + 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, + 0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, + 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344, + 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, + 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, + 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, + 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, + 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c, + 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, + 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, + 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, + 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, + 0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c, + 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713, + 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, + 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242, + 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, + 0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, + 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278, + 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, + 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66, + 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, + 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, + 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, + 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, + 0x2d02ef8d +}; + +#define DO1(buf) crc = sf_crc_table[((int)crc ^ (*buf++)) & 0xff] ^ (crc >> 8); +#define DO2(buf) do { DO1(buf); DO1(buf); } while (0) +#define DO4(buf) do { DO2(buf); DO2(buf); } while (0) +#define DO8(buf) do { DO4(buf); DO4(buf); } while (0) +/* ========================================================================= */ +unsigned int char2int(char c) +{ + switch (c) { + case '0': + return 0; + case '1': + return 1; + case '2': + return 2; + case '3': + return 3; + case '4': + return 4; + case '5': + return 5; + case '6': + return 6; + case '7': + return 7; + case '8': + return 8; + case '9': + return 9; + case 'A': + case 'a': + return 10; + case 'B': + case 'b': + return 11; + case 'C': + case 'c': + return 12; + case 'D': + case 'd': + return 13; + case 'E': + case 'e': + return 14; + case 'F': + case 'f': + return 15; + } + return c; +} + +int env_find_env(char *name, char *buf, struct env_para_def *para) +{ + unsigned int env_name_pos = 0; + unsigned int env_para_pos = 0; + unsigned int pos = 0; + + if (name == NULL) { + printf(" name is NULL\n"); + return -1; + } + env_name_pos = 5; + while (1) { + if (env_cmp_name(env_name_pos, buf, name) == 0) { + env_para_pos = env_find_para_pos(env_name_pos, buf); + pos = env_para_pos; + while (buf[pos]) + pos++; + para->size = pos-env_para_pos; + para->npos = env_name_pos; + para->ppos = env_para_pos; + if (para->size) { + para->value = malloc(para->size+1); + memset(para->value, 0, para->size+1); + memcpy(para->value, &buf[env_para_pos], para->size+1); + } + return 0; + } + env_name_pos = env_find_next_pos(env_name_pos, buf); + if (!buf[env_name_pos]) { + printf(" %s can not found.....\n", name); + /* free(buf); */ + return -1; + } + } +} + +unsigned int sf_env_crc32(unsigned char *buf) +{ + unsigned int crc = 0; + unsigned int len = 0xfffb; + + crc = crc ^ 0xffffffff; + while (len >= 8) { + DO8(buf); + len -= 8; + } + if (len) + do { + DO1(buf); + } while (--len); + + return crc ^ 0xffffffff; +} + +char test_name[100]; + +int env_cmp_name(unsigned int pos, char *buf, char *name) +{ + unsigned int cnt, cnt1; + int mach; + unsigned int tmppos = 0; + unsigned int tmpcnt = 0; + + memset(test_name, 0, 50); + tmppos = pos; + while (buf[tmppos] != '=') { + tmpcnt++; + tmppos++; + } + memcpy(test_name, &buf[pos], tmpcnt); + printf(" %s %s ", name, test_name); + cnt1 = 0; + while (name[cnt1]) + cnt1++; + mach = 1; + cnt = 0; + while (1) { + if (name[cnt] != buf[pos]) + mach = 0; + if (!mach) + break; + cnt++; + pos++; + if ((name[cnt] == 0) || (buf[pos] == '=')) { + if ((cnt != cnt1) || (buf[pos] != '=')) + mach = 0; + break; + } + } + if (mach) { + printf("..... found\n"); + return 0; + } + printf("....... not found\n"); + return -1; +} + +unsigned int env_find_next_pos(unsigned int pos, char *buf) +{ + while (buf[pos]) + pos++; + return pos+1; +} + +unsigned int env_find_para_pos(unsigned int pos, char *buf) +{ + while (buf[pos] != '=') + pos++; + return pos+1; +} + +char *sf_env_init(unsigned int *pos) +{ + unsigned int start = 0xfffd0000; + char env_sel; + char *buf; + + env_sel = *(char *)(start+4); + if (!env_sel) { + start = 0xfffe0000; + env_sel = *(char *)(start+4); + if (!env_sel) { + printf("can not find U-boot env\n"); + return NULL; + } + } + *pos = start; + buf = malloc(0x10000); + memset(buf, 0, 0x10000); + memcpy(buf, (char *)start, 0x10000); + + return buf; +} + +int env_read_para1(char *name, struct env_para_def *para) +{ + char *buf; + unsigned int sf_pos = 0; + + if (name == NULL) { + printf("name is NULL\n"); + return -1; + } + buf = sf_env_init(&sf_pos); + if (!buf) { + printf("get spi fial\n"); + free(buf); + return -1; + } + if (env_find_env(name, buf, para)) { + free(buf); + return -1; + } + if (!para->size) { + printf("value/string is NULL\n"); + free(buf); + return -1; + } + free(buf); + return 0; +} + +unsigned int env_get_para_value(char *buf) +{ + unsigned int value, pos; + unsigned int cnt = 0, tmp; + + value = 0; + pos = 0; + while (buf[pos] != 0) { + value = value | (char2int(buf[pos]) << (cnt * 4)); + cnt++; + pos++; + if (cnt > 8) { + printf("can not find para end failed\n"); + break; + } + } + tmp = value; + value = 0; + cnt--; + while (cnt) { + value = value | ((tmp & 0x0f) << (cnt * 4)); + tmp = tmp >> 4; + cnt--; + } + value = value | tmp; + return value; +} + +unsigned int env_get_env_value(char *name) +{ + struct env_para_def para; + + if (env_read_para1(name, ¶)) + return 0; + else + return env_get_para_value(para.value); +} + |