0ad5fbd48d
Instead of hardcoding paths to the executables, use the version in the path. This allows the scripts to work on more systems, and allows the binary version to be changed more easily if needed. Signed-off-by: Martin Roth <martin@coreboot.org> Change-Id: Ifcc56aa21092cd3866eacb6a02d198110ec6051d Reviewed-on: https://review.coreboot.org/c/coreboot/+/48904 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com>
67 lines
1.7 KiB
Bash
Executable file
67 lines
1.7 KiB
Bash
Executable file
#!/usr/bin/env bash
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#
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#
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# SPDX-License-Identifier: GPL-2.0-only
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# Parses spd hex files and outputs the contents in various formats
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#
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#
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# Outputs csv, set, and json in same folder as SPD_HEX_FILE
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#
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# Example:
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# decode_spd.sh ../../src/mainboard/google/zork/spd/micron-MT40A512M16TB-062E-J.spd.hex
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#
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# Outputs ../../src/mainboard/google/zork/spd/micron-MT40A512M16TB-062E-J.spd.{json|csv|set}
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#
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# TODO: This script assumes bincfg binary is at ../bincfg/bincfg (which is the
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# result of running the bincfg make), and the specs are at
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# ../bincfg/*.spec. This dependency should be made more resilliant and
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# configurable.
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set -e
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function read8 () {
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echo $(( 16#$(xxd -s "${2}" -l 1 -p "${1}") ))
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}
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for file in "$@"
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do
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bintmp=$(mktemp)
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outfile="${file%.hex}.set"
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echo "Decoding ${file}, outputting to ${outfile}"
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grep -v '^#' "${file}" | xxd -r -p - "${bintmp}"
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dram_type=$(read8 "${bintmp}" 2)
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if [ ! "${dram_type}" -eq 12 ]
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then
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#TODO: Handle other dram types
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printf "Error: Expecting dram4 (12), got %d\n" "${dram_type}"
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continue
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fi
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revision=$(read8 "${bintmp}" 1)
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if [ ! "${revision}" -eq $((0x13)) ]
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then
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printf "Warning: Expecting revision 0x13, got 0x%x.\n" "${revision}"
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fi
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module_type=$(read8 "${bintmp}" 3)
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case "${module_type}" in
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1) # RDIMM
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spec="../bincfg/ddr4_registered_spd_512.spec"
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;;
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2 | 3) #UDIMM | SO-DIMM
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spec="../bincfg/ddr4_unbuffered_spd_512.spec"
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;;
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* )
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printf "Error: Unhandled module type %d.\n" "${module_type}"
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;;
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esac
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../bincfg/bincfg -d "${spec}" "${bintmp}" "${outfile}"
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grep -v '^#' "${outfile}" | sed -e 's/ = \([^,]\+\)/: "\1"/g' \
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> "${file%.hex}.json"
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grep -v -e '^#' -e '^{' -e '^}' "${outfile}" | sed -e 's/=/,/g' \
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> "${file%.hex}.csv"
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done
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