mirror of
https://github.com/linuxboot/heads.git
synced 2024-12-30 09:48:56 +00:00
126 lines
4.2 KiB
Bash
Executable File
126 lines
4.2 KiB
Bash
Executable File
#!/bin/bash -e
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# depends on : wget sha256sum gunzip
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# Purism source
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RELEASES_GIT_HASH="ced905accd065df3de6561ee7278400f320f14f7"
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PURISM_SOURCE="https://source.puri.sm/coreboot/releases/raw/${RELEASES_GIT_HASH}"
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# Librem 13 v4 and Librem 15 v4 binary blob hashes
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KBL_UCODE_SHA="0e3a06d8949a1d7df2c75b414765b98181766e3bd5bc7c317fad65bfcf7c276b"
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KBL_DESCRIPTOR_SHA="642ca36f52aabb5198b82e013bf64a73a5148693a58376fffce322a4d438b524"
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KBL_ME_SHA="0eec2e1135193941edd39d0ec0f463e353d0c6c9068867a2f32a72b64334fb34"
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KBL_FSPM_SHA="5da3ad7718eb3f6700fb9d97be988d9c8bdd2d8b5910273a80928c49122d5b2d"
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KBL_FSPS_SHA="c81ffa40df0b6cd6cfde4f476d452a1f6f2217bc96a3b98a4fa4a037ee7039cf"
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KBL_VBT_SHA="0ba40c1b8c0fb030a0e1a789eda8b2a7369339a410ad8c4620719e451ea69b98"
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# cbfstool, ifdtool, coreboot image from Purism repo
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CBFSTOOL_FILE="cbfstool.gz"
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CBFSTOOL_URL="$PURISM_SOURCE/tools/$CBFSTOOL_FILE"
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CBFSTOOL_SHA="3994cba01a51dd34388c8be89fd329f91575c12e499dfe1b81975d9fd115ce58"
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CBFSTOOL_BIN="./cbfstool"
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IFDTOOL_FILE="ifdtool.gz"
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IFDTOOL_URL="$PURISM_SOURCE/tools/$IFDTOOL_FILE"
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IFDTOOL_SHA="08228ece4968794499ebd49a851f7d3f7f1b81352da8cd6e0c7916ac931a7d72"
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IFDTOOL_BIN="./ifdtool"
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COREBOOT_IMAGE="coreboot-l13v4.rom"
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COREBOOT_IMAGE_FILE="$COREBOOT_IMAGE.gz"
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COREBOOT_IMAGE_URL="$PURISM_SOURCE/librem_13v4/$COREBOOT_IMAGE_FILE"
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COREBOOT_IMAGE_SHA="147b911aad362bc67084d1591950e22557ffaba056f42484b521aa48a617c5b0"
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die () {
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local msg=$1
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echo ""
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echo "$msg"
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exit 1
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}
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check_and_get_url () {
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local filename=$1
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local url=$2
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local hash=$3
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local description=$4
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if [ -f "$filename" ]; then
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sha=$(sha256sum "$filename" | awk '{print $1}')
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fi
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if [ "$sha" != "$hash" ]; then
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echo " Downloading $description..."
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wget -O "$filename" "$url" >/dev/null 2>&1
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sha=$(sha256sum "$filename" | awk '{print $1}')
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if [ "$sha" != "$hash" ]; then
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die "Downloaded $description has the wrong SHA256 hash"
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fi
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if [ "${filename: -3}" == ".gz" ]; then
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gunzip -k $filename
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fi
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fi
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}
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check_and_get_blob () {
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local filename=$1
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local hash=$2
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local description=$3
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echo "Checking $filename"
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if [ -f "$filename" ]; then
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sha=$(sha256sum "$filename" | awk '{print $1}')
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fi
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if [ "$sha" != "$hash" ]; then
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# get tools
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check_and_get_tools
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# extract from coreboot image
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check_and_get_url $COREBOOT_IMAGE_FILE $COREBOOT_IMAGE_URL $COREBOOT_IMAGE_SHA "precompiled coreboot image"
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echo "Extracting $filename"
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if [ $filename = "descriptor.bin" ]; then
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$IFDTOOL_BIN -x $COREBOOT_IMAGE >/dev/null 2>&1
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mv flashregion_0_flashdescriptor.bin descriptor.bin
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echo "Extracting me.bin"
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mv flashregion_2_intel_me.bin me.bin
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rm flashregion_* > /dev/null 2>&1
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elif [ $filename = "me.bin" ]; then
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$IFDTOOL_BIN -x $COREBOOT_IMAGE >/dev/null 2>&1
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mv flashregion_2_intel_me.bin me.bin
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rm flashregion_* > /dev/null 2>&1
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else
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$CBFSTOOL_BIN $COREBOOT_IMAGE extract -n $filename -f $filename >/dev/null 2>&1
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fi
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sha=$(sha256sum "$filename" | awk '{print $1}')
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if [ "$sha" != "$hash" ]; then
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die "Downloaded $description has the wrong SHA256 hash"
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fi
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fi
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}
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echo ""
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check_and_get_tools() {
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check_and_get_url $CBFSTOOL_FILE $CBFSTOOL_URL $CBFSTOOL_SHA "cbfstool"
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chmod +x $CBFSTOOL_BIN
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check_and_get_url $IFDTOOL_FILE $IFDTOOL_URL $IFDTOOL_SHA "ifdtool"
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chmod +x $IFDTOOL_BIN
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}
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# get tools for extraction
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#check_and_get_tools
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# get/verify blobs
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check_and_get_blob descriptor.bin $KBL_DESCRIPTOR_SHA "Intel Flash Descriptor"
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check_and_get_blob me.bin $KBL_ME_SHA "Intel ME firmware"
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check_and_get_blob fspm.bin $KBL_FSPM_SHA "FSP-M"
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check_and_get_blob fsps.bin $KBL_FSPS_SHA "FSP-S"
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check_and_get_blob vbt.bin $KBL_VBT_SHA "Video BIOS Table"
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check_and_get_blob cpu_microcode_blob.bin $KBL_UCODE_SHA "Intel Microcode Update"
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#clean up after ourselves
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rm -f $CBFSTOOL_BIN >/dev/null 2>&1
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rm -f $IFDTOOL_BIN >/dev/null 2>&1
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rm -f $COREBOOT_IMAGE >/dev/null 2>&1
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rm -f *.gz >/dev/null 2>&1
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echo ""
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echo "All blobs have been verified and are ready for use"
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