Android.mk

LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)

LOCAL_MODULE := install_mbr
LOCAL_SRC_FILES := editdisklbl/editdisklbl.c
LOCAL_CFLAGS := -O2 -g -W -Wall -Werror# -D_LARGEFILE64_SOURCE
LOCAL_STATIC_LIBRARIES := libdiskconfig_host libcutils liblog
install_mbr := $(HOST_OUT_EXECUTABLES)/$(LOCAL_MODULE)
include $(BUILD_HOST_EXECUTABLE)

ifeq ($(CI_BUILD),true)
GRUB_TIMEOUT := 1
GRUB_DEFAULT := 2
else
GRUB_TIMEOUT := 10
GRUB_DEFAULT := 0
endif

BDATE ?= $(shell date +"%F")
TARGET_INITRD_DIR := $(PRODUCT_OUT)/initrd
LOCAL_INITRD_DIR := $(LOCAL_PATH)/initrd
BOOT_DIR := $(LOCAL_PATH)/boot
INITRD := $(PRODUCT_OUT)/initrd.img
$(INITRD): $(wildcard $(LOCAL_PATH)/initrd/*/*) | $(MKBOOTFS)
	rm -rf $(TARGET_INITRD_DIR)
	$(ACP) -dprf $(LOCAL_INITRD_DIR) $(TARGET_INITRD_DIR)
	echo "BUILDDATE=$(BDATE)" > $(TARGET_INITRD_DIR)/scripts/3-buildinfo
	echo "CI_BUILD=$(CI_BUILD)" >> $(TARGET_INITRD_DIR)/scripts/3-buildinfo
	mkdir -p $(addprefix $(TARGET_INITRD_DIR)/,mnt proc sys tmp dev etc lib newroot sbin usr/bin usr/sbin scratchpad)
	$(MKBOOTFS) $(TARGET_INITRD_DIR) | gzip -9 > $@

# 1. Compute the disk file size need in blocks for a block size of 1M
# 2. Prepare a vfat disk file and copy necessary files
# 3. Copy GRUB2 files
ANDROID_IA-EFI := $(PRODUCT_OUT)/$(TARGET_PRODUCT).img
DISK_LAYOUT := $(LOCAL_PATH)/editdisklbl/disk_layout.conf
$(ANDROID_IA-EFI): $(addprefix $(PRODUCT_OUT)/,initrd.img kernel ramdisk.img vendor.img system.img) | $(install_mbr)
	blksize=0; \
	for size in `du -sBM --apparent-size $^ | awk '{print $$1}' | cut -d'M' -f1`; do \
		blksize=$$(($$blksize + $$size)); \
	done; \
	blksize=$$(($$(($$blksize + 64)) * 1024));	\
	rm -f $@.fat; mkdosfs -n ANDROID-IA -C $@.fat $$blksize
	mcopy -Qsi $@.fat $(BOOT_DIR)/* $^ ::
	sed "s|KERNEL_CMDLINE|$(BOARD_KERNEL_CMDLINE)|; s|BUILDDATE|$(BDATE)|; s|GRUB_DEFAULT|$(GRUB_DEFAULT)|; s|GRUB_TIMEOUT|$(GRUB_TIMEOUT)|" $(BOOT_DIR)/boot/grub/grub.cfg > $(@D)/grub.cfg
	mcopy -Qoi $@.fat $(@D)/grub.cfg ::boot/grub
	cat /dev/null > $@; $(install_mbr) -l $(DISK_LAYOUT) -i $@ oand=$@.fat
	rm -f $@.fat

.PHONY: android_ia-efi
android_ia-efi: $(ANDROID_IA-EFI)