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95f6f88aa7
esp-idf/components/bootloader_support
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Angus Gratton 87f7d1875d esp32: Fix backwards compatibility for pre-v2.1 bootloaders 
Older bootloaders don't set RTC_XTAL_FREQ_REG or call rtc_clk_init(),
app needs to pick this up.

Reported at
https://esp32.com/viewtopic.php?f=2&t=3939&p=17836
2017-12-27 16:54:25 +08:00
..
include esp32: Fix backwards compatibility for pre-v2.1 bootloaders 2017-12-27 16:54:25 +08:00
include_priv bootloader: Calculate SHA256 hash of image on every boot 2017-07-19 18:31:59 +10:00
src esp32: Fix backwards compatibility for pre-v2.1 bootloaders 2017-12-27 16:54:25 +08:00
test bootloader: Calculate SHA-256 of image while loading/verifying 2017-07-19 18:25:17 +10:00
component.mk Secure boot: Option for app & partition table signing to happen outside build system 2016-12-19 13:12:05 +11:00
Makefile.projbuild Secure boot: Correctly re-sign if signing key changes, better error if missing 2016-12-01 23:49:12 -08:00
README.rst Refactor existing bootloader common functionality into bootloader_support component 2016-11-02 17:58:41 +11:00

README.rst 

Bootloader Support Component
============================

Overview
--------

"Bootloader support" contains APIs which are used by the bootloader but are also needed for the main app.

Code in this component needs to be aware of being executed in a bootloader environment (no RTOS available, BOOTLOADER_BUILD macro set) or in an esp-idf app environment (RTOS running, need locking support.)