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# read environment variables from ./env
include ./env
export
# use sudo (non interactively) when running as regular user
ifneq ($(shell id -u),0)
AS_ROOT := sudo -n
endif
MOUNT := $(AS_ROOT) mount
UMOUNT := $(AS_ROOT) umount
CTR := podman
CP := cp
GIT := git
CTR_IMG_TAG := avans-linux
CTRIZE := $(CTR) run --rm --interactive --tty
CTRIZE += --volume .:/workdir:rw
CTRIZE += --env-file ./env
CTRIZE += $(CTR_IMG_TAG)
.PHONY: all
all: os_bootloader
.PHONY: container_img
container_img: Containerfile
$(CTR) build --tag $(CTR_IMG_TAG) .
# this list holds the .git files in each submodule folder (add
# $(SUBMODULE_INIT) as prerequisite to require the submodules to exist)
SUBMODULE_INIT += ./u-boot/.git
$(SUBMODULE_INIT):
$(GIT) submodule init
$(GIT) submodule update
.PHONY: os_bootloader
os_bootloader: $(SUBMODULE_INIT)
$(CTRIZE) $(MAKE) -$(MAKEFLAGS) -C u-boot am335x_evm_config
$(CTRIZE) $(MAKE) -$(MAKEFLAGS) -C u-boot
# sd card block device prefix (assumed partition numbers, see readme.md)
# SDCARD_BD_PREFIX := /dev/sdc
SDCARD_BD_PREFIX := /dev/mmcblk0p
load_bootloader: $(os_bootloader)
mkdir -p /tmp/sdcard-boot
$(MOUNT) $(SDCARD_BD_PREFIX)1 /tmp/sdcard-boot
$(AS_ROOT) $(CP) u-boot/MLO u-boot/u-boot.img u-boot/u-boot.dtb /tmp/sdcard-boot
$(UMOUNT) $(SDCARD_BD_PREFIX)1
format_sd:
$(AS_ROOT) mkfs.vfat -n BOOT -F 32 $(SDCARD_BD_PREFIX)1
$(AS_ROOT) mkfs.ext4 -L ROOTFS -F $(SDCARD_BD_PREFIX)2
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