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OVMS3-idf/components/bootloader_support
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Deomid Ryabkov 9903ea1c11 Add --warn-undefined-variables to MAKEFLAGS 
Fix warnings where undefined vars are used.

Make Kconfig emit "FOO=" for unset bool options
To ensure make variables are always defined, even if empty.

When writing auto.conf, include symbols disabled by dependency to make sure all make variables are always defined.

Fixes espressif/esp-idf#137

Cherry-picked from https://github.com/espressif/esp-idf/pull/138
2017-09-05 16:10:46 +10:00
..
include esp32: Add KConfig option to disable ROM Console fallback on first boot 2017-08-29 14:52:00 +10:00
include_priv bootloader: Calculate SHA256 hash of image on every boot 2017-07-19 18:31:59 +10:00
src flash encryption: Also always disable ROM BASIC console when enabling flash encryption 2017-08-29 14:52:00 +10:00
test bootloader: Calculate SHA-256 of image while loading/verifying 2017-07-19 18:25:17 +10:00
component.mk Add --warn-undefined-variables to MAKEFLAGS 2017-09-05 16:10:46 +10:00
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.)