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boot/uboot: add option to generate env image from default env

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This patch adds support to extract compiled in default env
via u-boot's get_default_envs script and generate env image from it.

Signed-off-by: Denis Osterland <Denis.Osterland@diehl.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
This commit is contained in:
Denis Osterland 2018-11-12 10:18:19 +00:00 committed by Arnout Vandecappelle (Essensium/Mind)
parent 82e27fd38a
commit 2c8ff251cb
2 changed files with 6 additions and 4 deletions
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2
boot/uboot/Config.in
View File

@ -487,6 +487,8 @@ menuconfig BR2_TARGET_UBOOT_ENVIMAGE
The environment image will be called uboot-env.bin.
Leave empty to generate image from compiled-in env.
if BR2_TARGET_UBOOT_ENVIMAGE
config BR2_TARGET_UBOOT_ENVIMAGE_SOURCE

8
boot/uboot/uboot.mk
View File

@ -271,8 +271,11 @@ define UBOOT_BUILD_OMAP_IFT
endef
ifneq ($(BR2_TARGET_UBOOT_ENVIMAGE),)
UBOOT_GENERATE_ENV_FILE=$(call qstrip,$(BR2_TARGET_UBOOT_ENVIMAGE_SOURCE))
define UBOOT_GENERATE_ENV_IMAGE
cat $(call qstrip,$(BR2_TARGET_UBOOT_ENVIMAGE_SOURCE)) \
$(if $(UBOOT_GENERATE_ENV_FILE), \
cat $(UBOOT_GENERATE_ENV_FILE), \
CROSS_COMPILE="$(TARGET_CROSS)" $(@D)/scripts/get_default_envs.sh $(@D)) \
>$(@D)/buildroot-env.txt
$(HOST_DIR)/bin/mkenvimage -s $(BR2_TARGET_UBOOT_ENVIMAGE_SIZE) \
$(if $(BR2_TARGET_UBOOT_ENVIMAGE_REDUNDANT),-r) \
@ -385,9 +388,6 @@ endef
ifeq ($(BR2_TARGET_UBOOT_ENVIMAGE),y)
ifeq ($(BR_BUILDING),y)
ifeq ($(call qstrip,$(BR2_TARGET_UBOOT_ENVIMAGE_SOURCE)),)
$(error Please define a source file for Uboot environment (BR2_TARGET_UBOOT_ENVIMAGE_SOURCE setting))
endif
ifeq ($(call qstrip,$(BR2_TARGET_UBOOT_ENVIMAGE_SIZE)),)
$(error Please provide Uboot environment size (BR2_TARGET_UBOOT_ENVIMAGE_SIZE setting))
endif