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d396236a83
Remove hard coded paths from shebangs and other references because they do not play well in nix-land. Either use /usr/bin/env to do runtime PATH based lookup or avoid absolute paths so PATH look up happens instead. Signed-off-by: Thierry Laurion <insurgo@riseup.net> Signed-off-by: Manuel Mendez <github@i.m.mmlb.dev> Signed-off-by: Thierry Laurion <insurgo@riseup.net>
46 lines
1.2 KiB
Bash
Executable File
46 lines
1.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -e
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function usage() {
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echo -n \
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"Usage: $(basename "$0") path_to_output_directory
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Obtain mrc.bin from a Haswell Chromebook firmware image.
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"
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}
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MRC_BIN_HASH="d368ba45096a3b5490ed27014e1f9004bc363434ffdce0c368c08a89c4746722"
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if [[ "${BASH_SOURCE[0]}" == "$0" ]]; then
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if [[ "${1:-}" == "--help" ]]; then
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usage
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else
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if [[ -z "${COREBOOT_DIR}" ]]; then
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echo "ERROR: No COREBOOT_DIR variable defined."
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exit 1
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fi
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output_dir="$(realpath "${1:-./}")"
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# Obtain mrc.bin from a Haswell Chromebook firmware image.
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# https://doc.coreboot.org/northbridge/intel/haswell/mrc.bin.html#obtaining-mrc-bin
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if [[ ! -f "${output_dir}/mrc.bin" ]]; then
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pushd "${COREBOOT_DIR}"
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make -C util/cbfstool
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cd util/chromeos
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./crosfirmware.sh peppy
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../cbfstool/cbfstool coreboot-*.bin extract -f mrc.bin -n mrc.bin -r RO_SECTION
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mv mrc.bin "${output_dir}/mrc.bin"
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popd
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fi
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if ! echo "${MRC_BIN_HASH} ${output_dir}/mrc.bin" | sha256sum --check; then
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echo "ERROR: SHA256 checksum for mrc.bin doesn't match."
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exit 1
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fi
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fi
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fi
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