openwrt/package/utils/bcm4908img/Makefile
Rafał Miłecki 063038bcef bcm4908img: store offset of tail data
This simplifies some operations as it doesn't have to be caculated over
and over. It will also allow adding support for more vendor formats.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
2021-10-02 20:26:42 +02:00

55 lines
1.3 KiB
Makefile

# SPDX-License-Identifier: GPL-2.0-only
include $(TOPDIR)/rules.mk
PKG_NAME:=bcm4908img
PKG_RELEASE:=2
PKG_FLAGS:=nonshared
PKG_BUILD_DEPENDS := bcm4908img/host
include $(INCLUDE_DIR)/package.mk
include $(INCLUDE_DIR)/host-build.mk
define Package/bcm4908img
SECTION:=utils
CATEGORY:=Base system
TITLE:=Utility handling BCM4908 images
MAINTAINER:=Rafał Miłecki <rafal@milecki.pl>
DEPENDS:=@TARGET_bcm4908
endef
define Package/bcm4908img/description
CFE bootloader for BCM4908 uses custom image format. It consists of:
1. Optional cferom image
2. bootfs JFFS2 partition (cferam, kernel, DTB and optional helper files)
3. padding
4. rootfs simply appended to the bootfs + padding
5. tail with checksum and basic device info
This util allows creating, modifying and extracting from BCM4908 images.
endef
define Host/Prepare
$(CP) ./src/* $(HOST_BUILD_DIR)
endef
define Build/Compile
$(MAKE) -C $(PKG_BUILD_DIR) \
CC="$(TARGET_CC)" \
CFLAGS="$(TARGET_CFLAGS) -Wall"
endef
define Package/bcm4908img/install
$(INSTALL_DIR) $(1)/usr/bin
$(INSTALL_BIN) $(PKG_BUILD_DIR)/bcm4908img $(1)/usr/bin/
endef
define Host/Install
$(INSTALL_BIN) $(HOST_BUILD_DIR)/bcm4908img $(STAGING_DIR_HOST)/bin/
endef
$(eval $(call BuildPackage,bcm4908img))
$(eval $(call HostBuild))