diff options
Diffstat (limited to 'esp8266')
| -rw-r--r-- | esp8266/modesp.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/esp8266/modesp.c b/esp8266/modesp.c index 4403dfde4b..1cd231f79f 100644 --- a/esp8266/modesp.c +++ b/esp8266/modesp.c @@ -629,7 +629,13 @@ STATIC mp_obj_t esp_flash_size(void) { STATIC MP_DEFINE_CONST_FUN_OBJ_0(esp_flash_size_obj, esp_flash_size); STATIC mp_obj_t esp_flash_user_start(void) { - return MP_OBJ_NEW_SMALL_INT(0x90000); + if ((*(uint32_t*)0x40200000 & 0xff00) == 0x100) { + // If there's just 1 loadable segment at the start of flash, + // we assume there's a yaota8266 bootloader. + return MP_OBJ_NEW_SMALL_INT(0x3c000 + 0x90000); + } else { + return MP_OBJ_NEW_SMALL_INT(0x90000); + } } STATIC MP_DEFINE_CONST_FUN_OBJ_0(esp_flash_user_start_obj, esp_flash_user_start); |