--- embedtools/src/ub_env.c 2014/01/28 22:03:01 1.1.2.3 +++ embedtools/src/ub_env.c 2014/01/29 01:26:28 1.1.2.9 @@ -2,29 +2,101 @@ #include "ub_env.h" +env_t *env; + + static int -ub_flash_io(env_t * __restrict e, int mode) +ub_flash_io(const char *csSec, int mode) { - int f, ret = 0; + int f, l, rlen; + const char *str; + size_t siz; + ait_val_t v; FTRACE(4); - f = open(DRV_UB_ENV_MAP, mode); + str = cfg_getAttribute(&cfg, csSec, "size"); + siz = strtol(str, NULL, 0); + if (!siz) + return -1; + str = cfg_getAttribute(&cfg, csSec, "drive"); + if (!str) { + printf("Error:: drive not found!\n"); + return -1; + } + + cfg_loadAttribute(&cfg, "ube", "lock", &v, UBE_LOCK); + l = open(AIT_GET_STR(&v), O_CREAT | O_EXCL | O_WRONLY, 0644); + if (l == -1) { + printf("Error:: Locked u-boot-env map %s\n", AIT_GET_STR(&v)); + AIT_FREE_VAL(&v); + return -1; + } + + f = open(str, mode); if (f == -1) { - printf("Error:: Can't access u-boot-env device %s\n", DRV_UB_ENV_MAP); + printf("Error:: Can't access u-boot-env device %s\n", str); + close(l); + unlink(AIT_GET_STR(&v)); + AIT_FREE_VAL(&v); return -1; } if (mode & O_RDWR) { - } else { + rlen = write(f, env, siz); + if (rlen != siz) + printf("Error:: written %d bytes != %d\n", rlen, siz); + else + VERB(3) printf("Written %d bytes\n", rlen); + lseek(f, 0, SEEK_SET); } + rlen = read(f, env, siz); + if (rlen != siz) + printf("Error:: readed %d bytes != %d\n", rlen, siz); + else + VERB(3) printf("Readed %d bytes\n", rlen); + close(f); - return ret; + close(l); + unlink(AIT_GET_STR(&v)); + AIT_FREE_VAL(&v); + return 0; } +int +ub_load(const char *csSec) +{ + const char *str; + size_t siz; + + FTRACE(4); + + str = cfg_getAttribute(&cfg, csSec, "size"); + siz = strtol(str, NULL, 0); + if (!siz) + return -1; + + env = e_malloc(siz); + if (!env) { + ELIBERR(elwix); + return -1; + } + + return ub_flash_io(csSec, O_RDONLY); +} + +void +ub_unload() +{ + FTRACE(4); + + if (env) + e_free(env); +} + const char* -ub_getenv(const char *csName) +ub_getenv(const char *csSec, const char *csName) { const char *str = NULL; @@ -34,9 +106,38 @@ ub_getenv(const char *csName) } int -ub_setenv(const char *csName, const char *csValue) +ub_setenv(const char *csSec, const char *csName, const char *csValue) { FTRACE(3); + + return 0; +} + +int +ub_env(const char *csSec) +{ + char *e, *nxt; + size_t dlen; + const char *str; + + FTRACE(3); + + str = cfg_getAttribute(&cfg, csSec, "size"); + dlen = strtol(str, NULL, 0); + if (!dlen) + return -1; + else + dlen--; + + for (e = env->env_data; *e; e = nxt + 1) { + for (nxt = e; *nxt; nxt++) + if (nxt >= env->env_data + dlen) { + printf("Error:: environment not terminated\n"); + return -1; + } + + printf("%s\n", e); + } return 0; }