191 lines
4.6 KiB
Bash
191 lines
4.6 KiB
Bash
version=\
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(
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'3.14.63'
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)
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url=\
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(
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"https://www.kernel.org/pub/linux/kernel/v3.x/linux-$version.tar.xz"
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)
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md5=\
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(
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'6cf8a6b23849f47f511e0e46cfdb6392'
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)
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maintainer=\
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(
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'Ricardo Martins <rasm@fe.up.pt>'
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)
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requires=\
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(
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'bc/host'
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'kmod/host'
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'lz4/host'
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)
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# Major/Minor version.
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linux_mm_version()
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{
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echo "$version" | cut -f1-2 -d.
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}
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# Major/Minor/Patch version.
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linux_mmp_version()
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{
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echo "$version" | cut -f1 -d-
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}
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patches=(\
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$(ls -1 \
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"$pkg_dir/patches/$version/"*.patch \
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"$pkg_dir/patches/$(linux_mmp_version)/"*.patch \
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"$pkg_dir/patches/$(linux_mm_version)/"*.patch \
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"$cfg_dir_system/patches/linux/$version/"*.patch \
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"$cfg_dir_system/patches/linux/$(linux_mmp_version)/"*.patch \
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"$cfg_dir_system/patches/linux/$(linux_mm_version)/"*.patch \
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2> /dev/null | awk '!a[$0]++')
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)
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# Get configuration file.
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linux_cfg_file()
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{
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for f in "$version" "$(linux_mmp_version)" "$(linux_mm_version)"; do
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f="$cfg_dir_system/cfg/linux-$f.cfg"
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if [ -f "$f" ]; then
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echo "$f"
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return 0
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fi
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echo "Candidate kernel configuration file '$f' doesn't exist." 1>&2
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done
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echo "ERROR: failed to find a valid kernel configuration file." 1>&2
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return 1
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}
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post_unpack()
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{
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n=0; while [ -n "${patches[$n]}" ]; do
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patch="${patches[$n]}"
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echo "* Applying $patch..."
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(ucat "$patch" | patch -p1) || return 1
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let n++
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done
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if [ -d "$cfg_dir_toolchain/firmware" ]; then
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tar -C "$cfg_dir_toolchain/firmware" -c -v -f - . | tar -C firmware -x -v -f -
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fi
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}
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refresh()
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{
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for rule in configure build target_install; do
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if [ "$(linux_cfg_file)" -nt "$cfg_dir_builds/linux/$pkg_var/.$rule" ]; then
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rm "$cfg_dir_builds/linux/$pkg_var/.$rule"
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fi
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done
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}
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configure()
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{
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$cmd_make \
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ARCH=${cfg_target_linux} \
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mrproper || return 1
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cfg="$(linux_cfg_file)"
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[ -n "$cfg" ] || return 1
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$cmd_cp "$cfg" .config || return 1
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if [ -f "$cfg_dir_system/files/initramfs_init.sh" ]; then
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$cmd_mkdir initramfs &&
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$cmd_cp "$pkg_dir/files/initramfs.conf" . &&
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$cmd_cp "$cfg_dir_system/files/initramfs_init.sh" initramfs/init.sh &&
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$cmd_cp "$cfg_dir_rootfs/bin/busybox" initramfs/busybox
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fi
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yes '' | $cmd_make \
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CROSS_COMPILE=${cfg_target_canonical}- \
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ARCH=${cfg_target_linux} \
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oldconfig
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}
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build()
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{
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$cmd_make \
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CROSS_COMPILE=$cfg_target_canonical- \
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ARCH=$cfg_target_linux &&
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$cmd_make \
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CROSS_COMPILE=$cfg_target_canonical- \
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ARCH=$cfg_target_linux \
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modules &&
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if [ "$(basename $cfg_target_linux_kernel)" = 'uImage' ]; then
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$cmd_make \
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CROSS_COMPILE=$cfg_target_canonical- \
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ARCH=$cfg_target_linux \
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uImage
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fi
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# Compressed image.
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if [ "$(basename $cfg_target_linux_kernel)" = 'zImage' ]; then
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$cmd_make \
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CROSS_COMPILE=$cfg_target_canonical- \
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ARCH=$cfg_target_linux \
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zImage
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fi
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# Device tree blob.
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if [ -n "$cfg_target_linux_dtb" ]; then
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$cmd_make \
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CROSS_COMPILE=$cfg_target_canonical- \
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ARCH=$cfg_target_linux \
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dtbs
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fi
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if [ -n "${cfg_target_linux_size}" ]; then
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dd if="$cfg_target_linux_kernel" of="${cfg_target_linux_kernel}.padded" \
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ibs="${cfg_target_linux_size}" conv=sync &&
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mv "${cfg_target_linux_kernel}.padded" "${cfg_target_linux_kernel}"
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fi
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}
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host_install()
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{
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# Device tree blobs.
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if [ -n "$cfg_target_linux_dtb" ]; then
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$cmd_mkdir "$cfg_dir_toolchain/boot" &&
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cp -v "$(dirname $cfg_target_linux_dtb)/"*.dtb "$cfg_dir_toolchain/boot"
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fi
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}
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target_install()
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{
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if [ -n "$(file "$cfg_target_linux_kernel" | grep ELF)" ]; then
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strip="$(echo $cfg_dir_toolchain/bin/*-strip)"
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$strip -s -R .comment "$cfg_target_linux_kernel"
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fi
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# Kernel image.
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if [ -n "$cfg_target_linux_kernel" ]; then
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cp -v "$cfg_target_linux_kernel" "$cfg_dir_rootfs/boot/kernel"
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else
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echo "ERROR: failed to find kernel image at '$cfg_target_linux_kernel'"
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return 1
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fi
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$cmd_make \
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CROSS_COMPILE="$cfg_target_canonical-" \
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ARCH="$cfg_target_linux" \
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INSTALL_MOD_PATH="$cfg_dir_rootfs/usr" \
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modules_install
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$cmd_make \
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CROSS_COMPILE="$cfg_target_canonical-" \
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ARCH="$cfg_target_linux" \
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INSTALL_MOD_PATH="$cfg_dir_rootfs/usr" \
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firmware_install
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}
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