mirror of
https://github.com/espressif/esp-idf.git
synced 2026-04-28 11:28:43 +00:00
22b840f3df
When CONFIG_ESP32_RTCDATA_IN_FAST_MEM is enabled, RTC data is placed into RTC_FAST memory region, viewed from the data bus. However the bootloader was missing a check that this region should not be overwritten after deep sleep, which caused .rtc.bss segment to loose its contents after wakeup.