scripts/mkimage.sh: scripts to build bootable alpine images

1 files changed, 86 insertions, 0 deletions

diff --git a/scripts/mkimg.arm.sh b/scripts/mkimg.arm.sh
new file mode 100644
index 0000000000..7b1f9cc343
--- /dev/null
+++ b/scripts/mkimg.arm.sh
@@ -0,0 +1,86 @@
+build_rpi_blobs() {
+	local fw
+	for fw in bootcode.bin fixup.dat start.elf ; do
+		curl --remote-time https://raw.githubusercontent.com/raspberrypi/firmware/${rpi_firmware_commit}/boot/${fw} \
+			--output "${DESTDIR}"/${fw} || return 1
+	done
+}
+
+rpi_gen_cmdline() {
+	echo "modules=loop,squashfs,sd-mod,usb-storage quiet ${kernel_cmdline}"
+}
+
+rpi_gen_config() {
+	cat <<EOF
+disable_splash=1
+boot_delay=0
+gpu_mem=256
+gpu_mem_256=64
+[pi0]
+kernel=boot/vmlinuz-rpi
+initramfs boot/initramfs-rpi 0x08000000
+[pi1]
+kernel=boot/vmlinuz-rpi
+initramfs boot/initramfs-rpi 0x08000000
+[pi2]
+kernel=boot/vmlinuz-rpi2
+initramfs boot/initramfs-rpi2 0x08000000
+[pi3]
+kernel=boot/vmlinuz-rpi2
+initramfs boot/initramfs-rpi2 0x08000000
+[all]
+include usercfg.txt
+EOF
+}
+
+build_rpi_config() {
+	rpi_gen_cmdline > "${DESTDIR}"/cmdline.txt
+	rpi_gen_config > "${DESTDIR}"/config.txt
+}
+
+section_rpi_config() {
+	[ -n "$rpi_firmware_commit" ] || return 0
+	build_section rpi_config $( (rpi_gen_cmdline ; rpi_gen_config) | checksum )
+	build_section rpi_blobs "$rpi_firmware_commit"
+}
+
+profile_rpi() {
+	profile_base
+	image_ext="tar.gz"
+	arch="armhf"
+	rpi_firmware_commit="4bf906cdd221c4f6815d0da7dda0cd59d25d945b"
+	kernel_flavors="rpi rpi2"
+	kernel_cmdline="dwc_otg.lpm_enable=0 console=ttyAMA0,115200 console=tty1"
+	initrd_features="base bootchart squashfs ext2 ext3 ext4 f2fs kms mmc raid scsi usb"
+	apkovl="genapkovl-dhcp.sh"
+	hostname="rpi"
+	image_ext="tar.gz"
+}
+
+build_uboot() {
+	# FIXME: Fix apk-tools to extract packages directly
+	local pkg pkgs="$(apk fetch  --simulate --root /tmp/timo/apkroot-armhf/ --recursive u-boot-all | sed -ne "s/^Downloading \([^0-9.]*\)\-.*$/\1/p")"
+	for pkg in $pkgs; do
+		[ "$pkg" == "u-boot-all" ] || apk fetch --root "$APKROOT" --stdout $pkg | tar -C "$DESTDIR" -xz usr
+	done
+	mkdir -p "$DESTDIR"/u-boot
+	mv "$DESTDIR"/usr/sbin/update-u-boot "$DESTDIR"/usr/share/u-boot/* "$DESTDIR"/u-boot
+	rm -rf "$DESTDIR"/usr
+}
+
+section_uboot() {
+	[ -n "$uboot_install" ] || return 0
+	build_section uboot $ARCH $(apk fetch --root "$APKROOT" --simulate --recursive u-boot-all | sort | checksum)
+}
+
+profile_uboot() {
+	profile_base
+	image_ext="tar.gz"
+	arch="armhf armv7"
+	kernel_flavors="grsec"
+	kernel_addons="xtables-addons"
+	initfs_features="base bootchart squashfs ext2 ext3 ext4 kms mmc raid scsi usb"
+	apkovl="genapkovl-dhcp.sh"
+	hostname="alpine"
+	uboot_install="yes"
+}