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https://github.com/archlinuxarm/PKGBUILDs.git
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core/linux-aarch64-rc to 5.12.rc3-3
Changed logic for gathering dtb list to just use a wildcard for boards that we're interested in. Changed generate_chromebook_its.sh logic to just take in scattered dtb files. Compressed all input files that go into the .its Here are some comparisons: none: 37M lz4: 17M < chosen in this commit lzma: ~10M but boots 1 second slower Since it's compressed the .its now had to include external compatible properties, used `fdtget .dtb / compatible`.
This commit is contained in:
Alexandru M Stan
Kevin Mihelich
parent
bbb3603ec4
commit
5784aa4823
2 changed files with 42 additions and 34 deletions
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@ -11,7 +11,7 @@ _srcname=linux-${_rcver}-rc${_rcrel}
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_kernelname=${pkgbase#linux}
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_desc="AArch64 multi-platform (release candidate)"
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pkgver=${_rcver}.rc${_rcrel}
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pkgrel=2
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pkgrel=3
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arch=('aarch64')
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url="http://www.kernel.org/"
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license=('GPL2')
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@ -35,7 +35,7 @@ md5sums=('dc4fe4b1427b7223386205250988f55a'
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'1553fe4abbe675ed8abd4644561d8e8c'
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'9844db3484f4d4fa3e63c7e083f656f7'
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'47c62c814000ad515ab71213c00734bf'
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'beb35c282bbdadc0aab851d0ad4efd22'
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'cb97c1ab32e0165cde8fb5eb68302225'
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'61c5ff73c136ed07a7aadbf58db3d96a'
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'584777ae88bce2c5659960151b64c7d8'
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'41cb5fef62715ead2dd109dbea8413d6'
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@ -230,19 +230,23 @@ _package-chromebook() {
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mkdir -p "${pkgdir}/boot"
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../generate_chromebook_its.sh ${srcdir} > kernel.its << DT_END
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rk3399-gru-bob
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rk3399-gru-kevin
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rk3399-gru-scarlet-inx
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rk3399-gru-scarlet-kd
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sc7180-trogdor-lazor-r0
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sc7180-trogdor-lazor-r1
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sc7180-trogdor-lazor-r1-kb
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sc7180-trogdor-lazor-r1-lte
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sc7180-trogdor-lazor-r3
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sc7180-trogdor-lazor-r3-kb
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sc7180-trogdor-lazor-r3-lte
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DT_END
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KARCH=arm64
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image=arch/${KARCH}/boot/Image
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chromeos_boards=(
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'elm'
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'gru'
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'kukui'
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'trogdor'
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'asurada'
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)
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chromebook_dtbs=($(for b in ${chromeos_boards[@]}; do find arch/${KARCH}/boot -name "*${b}*.dtb" | LC_COLLATE=C sort; done))
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for to_compress in ${chromebook_dtbs[@]} ${image}; do
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#lzma -9 -z -f -k ${to_compress} # This is 40% smaller but takes ~1 sec longer to boot
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lz4 -20 -z -f ${to_compress}
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done
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echo ${chromebook_dtbs[@]/%/.lz4} | ../generate_chromebook_its.sh ${image}.lz4 ${KARCH} lz4 > kernel.its
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mkimage -D "-I dts -O dtb -p 2048" -f kernel.its vmlinux.uimg
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dd if=/dev/zero of=bootloader.bin bs=512 count=1
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@ -1,7 +1,9 @@
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#!/bin/bash
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srcdir=$1
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read -r -d '' dt_list
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image=$1
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arch=$2
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compression=$3
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read -a dtb_list
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cat <<-ITS_HEADER_END
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/dts-v1/;
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@ -11,34 +13,30 @@ cat <<-ITS_HEADER_END
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images {
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kernel@1{
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description = "kernel";
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data = /incbin/("arch/arm64/boot/Image");
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data = /incbin/("${image}");
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type = "kernel_noload";
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arch = "arm64";
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arch = "${arch}";
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os = "linux";
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compression = "none";
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compression = "${compression}";
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load = <0>;
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entry = <0>;
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};
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ITS_HEADER_END
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its_entry_count=1
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for dt in ${dt_list}; do
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dts_path=${srcdir}/*/arch/arm64/boot/dts/*/${dt}.dts
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! ls $dts_path >/dev/null && { echo "Error: dt not found $dt" >&2; exit 1; }
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dt_dir=$(basename $(dirname ${dts_path}))
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for i in ${!dtb_list[@]}; do
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dtb=${dtb_list[${i}]}
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cat <<-FDT_END
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fdt@${its_entry_count}{
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description = "${dt}.dtb";
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data = /incbin/("arch/arm64/boot/dts/${dt_dir}/${dt}.dtb");
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fdt@$(expr ${i} + 1){
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description = "$(basename ${dtb})";
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data = /incbin/("${dtb}");
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type = "flat_dt";
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arch = "arm64";
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compression = "none";
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arch = "${arch}";
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compression = "${compression}";
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hash@1{
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algo = "sha1";
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};
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};
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FDT_END
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let its_entry_count=${its_entry_count}+1
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done
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cat <<-ITS_MIDDLE_END
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@ -47,11 +45,17 @@ cat <<-ITS_MIDDLE_END
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default = "conf@1";
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ITS_MIDDLE_END
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for((i=1;i<${its_entry_count};i++)); do
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for i in "${!dtb_list[@]}"; do
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compat_line=""
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dtb_uncompressed=$(echo ${dtb_list[${i}]} | sed "s/\(\.dtb\).*/\1/g")
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for compat in $(fdtget "${dtb_uncompressed}" / compatible); do
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compat_line+="\"${compat}\","
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done
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cat <<-ITS_CONF_END
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conf@${i}{
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conf@$(expr ${i} + 1){
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kernel = "kernel@1";
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fdt = "fdt@${i}";
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fdt = "fdt@$(expr ${i} + 1)";
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compatible = ${compat_line%,};
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};
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ITS_CONF_END
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done
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