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#
# Copyright (C) 2016 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/image.mk
# On ARC initramfs is put before entry point and so entry point moves
# in memory from build to built. Thus we need to extract EP from vmlinux
# every time before generation of uImage.
define Build/calculate-ep
$(eval KERNEL_ENTRY=$(shell $(KERNEL_CROSS)readelf -h $(LINUX_DIR)/vmlinux | grep "Entry point address" | grep -o 0x.*))
endef
define Build/patch-dtb
$(call Image/BuildDTB,$(DTS_DIR)/$(DEVICE_DTS).dts,$@.dtb)
$(STAGING_DIR_HOST)/bin/patch-dtb $@ $@.dtb
endef
# Shared device definition: applies to every defined device
define Device/Default
PROFILES = Default $$(DEVICE_PROFILE)
KERNEL_DEPENDS = $$(wildcard ../dts/$$(DEVICE_DTS).dts)
DEVICE_PROFILE :=
endef
DEVICE_VARS += DEVICE_PROFILE
define Device/vmlinux
KERNEL_SUFFIX := .elf
KERNEL_INITRAMFS := kernel-bin | patch-dtb
KERNEL_INITRAMFS_NAME = vmlinux-initramfs.elf
endef
define Device/uImage
KERNEL_SUFFIX := -uImage
KERNEL_INITRAMFS := kernel-bin | patch-dtb | calculate-ep | uImage none
KERNEL_LOADADDR := 0x80000000
endef
define Device/axs101
$(call Device/uImage)
DEVICE_PROFILE := axs101
DEVICE_DTS := axs101
endef
TARGET_DEVICES += axs101
define Device/nsim
$(call Device/vmlinux)
DEVICE_PROFILE := nsim
DEVICE_DTS := nsim_700
endef
TARGET_DEVICES += nsim
$(eval $(call BuildImage))
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