--- embedtools/src/ub_env.c 2014/01/29 10:19:48 1.1.2.11 +++ embedtools/src/ub_env.c 2014/01/29 13:37:13 1.1.2.13 @@ -4,22 +4,27 @@ env_t *env; - static int ub_flash_io(const char *csSec, int mode) { int f, l, rlen; const char *str; - size_t siz; + size_t siz, esiz; ait_val_t v; + u_int crc; FTRACE(4); - str = cfg_getAttribute(&cfg, csSec, "size"); + str = cfg_getAttribute(&cfg, csSec, "drive_size"); siz = strtol(str, NULL, 0); if (!siz) return -1; - str = cfg_getAttribute(&cfg, csSec, "drive"); + str = cfg_getAttribute(&cfg, csSec, "env_size"); + if (!str) + esiz = siz - sizeof env->env_crc; + else + esiz = strtol(str, NULL, 0); + str = cfg_getAttribute(&cfg, csSec, "drive_name"); if (!str) { printf("Error:: drive not found!\n"); return -1; @@ -43,6 +48,7 @@ ub_flash_io(const char *csSec, int mode) } if (mode & O_RDWR) { + env->env_crc = crc32(0, (u_char*) env->env_data, esiz); rlen = write(f, env, siz); if (rlen != siz) printf("Error:: written %d bytes != %d\n", rlen, siz); @@ -57,6 +63,11 @@ ub_flash_io(const char *csSec, int mode) else VERB(3) printf("Readed %d bytes\n", rlen); + crc = crc32(0, (u_char*) env->env_data, esiz); + if (crc != env->env_crc) + VERB(1) printf("Warning:: Bad CRC, Flash crc32 0x%x != 0x%x\n", + env->env_crc, crc); + close(f); close(l); unlink(AIT_GET_STR(&v)); @@ -84,7 +95,7 @@ ub_load(const char *csSec) FTRACE(4); - str = cfg_getAttribute(&cfg, csSec, "size"); + str = cfg_getAttribute(&cfg, csSec, "drive_size"); siz = strtol(str, NULL, 0); if (!siz) return -1; @@ -116,9 +127,12 @@ ub_getenv(const char *csSec, const char *csName) FTRACE(3); - str = cfg_getAttribute(&cfg, csSec, "size"); - if (!str) - return NULL; + str = cfg_getAttribute(&cfg, csSec, "env_size"); + if (!str) { + str = cfg_getAttribute(&cfg, csSec, "drive_size"); + if (!str) + return NULL; + } dlen = strtol(str, NULL, 0); if (!dlen) return NULL; @@ -149,9 +163,12 @@ ub_setenv(const char *csSec, const char *csName, const FTRACE(3); - str = cfg_getAttribute(&cfg, csSec, "size"); - if (!str) - return -1; + str = cfg_getAttribute(&cfg, csSec, "env_size"); + if (!str) { + str = cfg_getAttribute(&cfg, csSec, "drive_size"); + if (!str) + return -1; + } dlen = strtol(str, NULL, 0); if (!dlen) return -1; @@ -224,9 +241,12 @@ ub_env(const char *csSec) FTRACE(3); - str = cfg_getAttribute(&cfg, csSec, "size"); - if (!str) - return -1; + str = cfg_getAttribute(&cfg, csSec, "env_size"); + if (!str) { + str = cfg_getAttribute(&cfg, csSec, "drive_size"); + if (!str) + return -1; + } dlen = strtol(str, NULL, 0); if (!dlen) return -1;