X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=env%2Fenv.c;h=5c0842ac07eb2d728fef5f349ab0cd8d1b26dc73;hb=a1b73c18724eb8cb75f7a60d851578d933c78095;hp=9a89832c1aafc79ba4d59536306a0561e84e2db2;hpb=9c486e7cb03787016d2d5a360c5a62296bf5ca7b;p=u-boot diff --git a/env/env.c b/env/env.c index 9a89832c1a..5c0842ac07 100644 --- a/env/env.c +++ b/env/env.c @@ -1,8 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2017 Google, Inc * Written by Simon Glass - * - * SPDX-License-Identifier: GPL-2.0+ */ #include @@ -10,6 +9,27 @@ DECLARE_GLOBAL_DATA_PTR; +#if defined(CONFIG_NEEDS_MANUAL_RELOC) +void env_fix_drivers(void) +{ + struct env_driver *drv; + const int n_ents = ll_entry_count(struct env_driver, env_driver); + struct env_driver *entry; + + drv = ll_entry_start(struct env_driver, env_driver); + for (entry = drv; entry != drv + n_ents; entry++) { + if (entry->name) + entry->name += gd->reloc_off; + if (entry->load) + entry->load += gd->reloc_off; + if (entry->save) + entry->save += gd->reloc_off; + if (entry->init) + entry->init += gd->reloc_off; + } +} +#endif + static struct env_driver *_env_driver_lookup(enum env_location loc) { struct env_driver *drv; @@ -62,8 +82,6 @@ static enum env_location env_locations[] = { #endif }; -static enum env_location env_load_location = ENVL_UNKNOWN; - static bool env_has_inited(enum env_location location) { return gd->env_has_init & BIT(location); @@ -108,11 +126,11 @@ __weak enum env_location env_get_location(enum env_operation op, int prio) if (prio >= ARRAY_SIZE(env_locations)) return ENVL_UNKNOWN; - env_load_location = env_locations[prio]; - return env_load_location; + gd->env_load_location = env_locations[prio]; + return gd->env_load_location; case ENVOP_SAVE: - return env_load_location; + return gd->env_load_location; } return ENVL_UNKNOWN; @@ -149,32 +167,17 @@ static struct env_driver *env_driver_lookup(enum env_operation op, int prio) return drv; } -int env_get_char(int index) +__weak int env_get_char_spec(int index) { - struct env_driver *drv; - int prio; + return *(uchar *)(gd->env_addr + index); +} +int env_get_char(int index) +{ if (gd->env_valid == ENV_INVALID) return default_environment[index]; - - for (prio = 0; (drv = env_driver_lookup(ENVOP_GET_CHAR, prio)); prio++) { - int ret; - - if (!drv->get_char) - continue; - - if (!env_has_inited(drv->location)) - continue; - - ret = drv->get_char(index); - if (!ret) - return 0; - - debug("%s: Environment %s failed to load (err=%d)\n", __func__, - drv->name, ret); - } - - return -ENODEV; + else + return env_get_char_spec(index); } int env_load(void)