[Buildroot] [PATCH 2/2] uboot: integrate mkenvimage.
Arnaud Rébillout
rebillout at syscom.ch
Thu Dec 20 12:47:18 UTC 2012
This commit provides configuration options to automatically generate a
binary environment image for U-Boot.
Two options are available (and mandatory):
* the location of a text file describing U-Boot environment.
* the size of the environment.
Signed-off-by: Arnaud Rébillout <rebillout at syscom.ch>
---
boot/uboot/Config.in | 21 +++++++++++++++++++++
boot/uboot/uboot.mk | 16 ++++++++++++++++
2 files changed, 37 insertions(+)
diff --git a/boot/uboot/Config.in b/boot/uboot/Config.in
index d8458d9..06f6b5a 100644
--- a/boot/uboot/Config.in
+++ b/boot/uboot/Config.in
@@ -208,4 +208,25 @@ config BR2_TARGET_UBOOT_SPL_NAME
u-boot build. For most platform it is u-boot-spl.bin
but not always. It is MLO on OMAP for example.
+menuconfig BR2_TARGET_UBOOT_ENVIMAGE
+ bool "Environment image"
+ help
+ Generate a valid binary environment image from a text file
+ describing the key=value pairs of the environment.
+
+if BR2_TARGET_UBOOT_ENVIMAGE
+
+config BR2_TARGET_UBOOT_ENVIMAGE_SOURCE
+ string "Source file for environment"
+ help
+ Text file describing the environment.
+
+config BR2_TARGET_UBOOT_ENVIMAGE_SIZE
+ string "Size of environment"
+ help
+ Size of envronment, can be prefixed with 0x for hexadecimal
+ values.
+
+endif # BR2_TARGET_UBOOT_ENVIMAGE
+
endif # BR2_TARGET_UBOOT
diff --git a/boot/uboot/uboot.mk b/boot/uboot/uboot.mk
index 619f2e1..89a9096 100644
--- a/boot/uboot/uboot.mk
+++ b/boot/uboot/uboot.mk
@@ -104,6 +104,9 @@ define UBOOT_INSTALL_IMAGES_CMDS
cp -dpf $(@D)/$(UBOOT_BIN) $(BINARIES_DIR)/
$(if $(BR2_TARGET_UBOOT_SPL),
cp -dpf $(@D)/$(BR2_TARGET_UBOOT_SPL_NAME) $(BINARIES_DIR)/)
+ $(if $(BR2_TARGET_UBOOT_ENVIMAGE),
+ $(HOST_DIR)/usr/bin/mkenvimage -s $(BR2_TARGET_UBOOT_ENVIMAGE_SIZE) \
+ -o $(BINARIES_DIR)/uboot-env.bin $(BR2_TARGET_UBOOT_ENVIMAGE_SOURCE))
endef
define UBOOT_INSTALL_OMAP_IFT_IMAGE
@@ -125,6 +128,19 @@ UBOOT_POST_BUILD_HOOKS += UBOOT_BUILD_OMAP_IFT
UBOOT_POST_INSTALL_IMAGES_HOOKS += UBOOT_INSTALL_OMAP_IFT_IMAGE
endif
+ifeq ($(BR2_TARGET_UBOOT_ENVIMAGE),y)
+# we NEED a environment settings unless we're at make source
+ifeq ($(filter source,$(MAKECMDGOALS)),)
+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_OMAP_IFT_CONFIG setting))
+endif
+endif
+UBOOT_DEPENDENCIES += host-uboot-tools
+endif
+
$(eval $(generic-package))
ifeq ($(BR2_TARGET_UBOOT),y)
--
1.7.10.4
More information about the buildroot
mailing list