mirror of
https://github.com/raspberrypi/rpi-eeprom.git
synced 2026-01-20 21:13:36 +08:00
1ba58068ea
If the size of bootconf.txt is reduced then set the unused data to all ones instead of leaving garbage at the end. The EEPROM header contains the actual file but this makes it easier to verify the image and makes overreads more obvious.
121 lines
3.4 KiB
Bash
Executable File
121 lines
3.4 KiB
Bash
Executable File
#!/bin/sh
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set -e
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script_dir="$(cd "$(dirname "$0")" && pwd)"
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die() {
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echo "ERROR"
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echo "$@" >&2
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exit 1
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}
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TMP_CONFIG=""
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TMP_EEPROM=""
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TMP_EEPROM2=""
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cleanup() {
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rm -f "${TMP_CONFIG}" -f "${TMP_EEPROM}" "${TMP_EEPROM2}"
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TMP_CONFIG=""
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TMP_EEPROM=""
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TMP_EEPROM2=""
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}
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trap cleanup EXIT
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check_reduce_size()
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{
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# Verify that unused bytes are set to 0xff if the size of the config file is reduced.
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echo "check_update $1 $2"
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image="${script_dir}/$1"
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conf="${script_dir}/$2"
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# Check that the production config file can be read correctly
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image_md5="$(md5sum "${image}" | awk '{print $1}')"
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TMP_CONFIG="$(mktemp)"
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# Generate a new EEPROM with larger config file
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cp -f "${conf}" "${TMP_CONFIG}"
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echo "Add some random text to the config file" >> "${TMP_CONFIG}"
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TMP_EEPROM="$(mktemp)"
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"${script_dir}/../rpi-eeprom-config" \
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"${image}" \
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--config "${TMP_CONFIG}" \
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--out "${TMP_EEPROM}"
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# Check that the new image is different
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actual_md5="$(md5sum "${TMP_EEPROM}" | awk '{print $1}')"
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[ "${image_md5}" != "${actual_md5}" ] || die "EEPROM images should be different"
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# Re-apply the original configuration and make sure the image is the same
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TMP_EEPROM2="$(mktemp)"
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"${script_dir}/../rpi-eeprom-config" \
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"${TMP_EEPROM}" \
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--config "${conf}" \
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--out "${TMP_EEPROM2}"
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# Check that applying the EEPROM config file again gets back to the original image
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actual_md5="$(md5sum "${TMP_EEPROM2}" | awk '{print $1}')"
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[ "${image_md5}" = "${actual_md5}" ] || die "Image should be the same as original"
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}
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check_loopback()
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{
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echo "check_update $1 $2"
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image="${script_dir}/$1"
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conf="${script_dir}/$2"
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# Check that the production config file can be read correctly
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expected_md5="$(md5sum "${conf}" | awk '{print $1}')"
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actual_md5="$("${script_dir}/../rpi-eeprom-config" "${image}" | md5sum | awk '{print $1}')"
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[ "${actual_md5}" = "${expected_md5}" ] || die "Config-read: checksum mismatch"
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# Check that overwriting the config section produces an identical binary
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TMP_EEPROM="$(mktemp)"
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"${script_dir}/../rpi-eeprom-config" \
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"${image}" \
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--config "${conf}" \
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--out "${TMP_EEPROM}"
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expected_md5="$(md5sum "${image}" | awk '{print $1}')"
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actual_md5="$(md5sum "${TMP_EEPROM}" | awk '{print $1}')"
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[ "${actual_md5}" = "${expected_md5}" ] || die "EEPROM loopback: checksum mismatch"
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}
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# Update the EEPROM with a new config and check the expected image is produced
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check_update()
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{
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echo "check_update $1 $2 $3"
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image="${script_dir}/$1"
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ref_image="${script_dir}/$2"
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conf="${script_dir}/$3"
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expected_md5="$(md5sum "${ref_image}" | awk '{print $1}')"
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TMP_EEPROM="$(mktemp)"
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"${script_dir}/../rpi-eeprom-config" \
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"${image}" \
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--config "${conf}" \
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--out "${TMP_EEPROM}"
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actual_md5="$(md5sum "${TMP_EEPROM}" | awk '{print $1}')"
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if [ "${actual_md5}" != "${expected_md5}" ]; then
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hexdump -C "${TMP_EEPROM}" > "tmp.hex"
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die "EEPROM update: checksum mismatch"
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fi
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}
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check_loopback "../firmware/critical/pieeprom-2019-05-10.bin" "bootconf-2019-05-10.txt"
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cleanup
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check_loopback "../firmware/critical/pieeprom-2019-07-15.bin" "bootconf-2019-07-15.txt"
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cleanup
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check_update "../firmware/critical/pieeprom-2019-07-15.bin" "pieeprom-2019-07-15-freeze.bin" "bootconf-2019-07-15-freeze.txt"
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cleanup
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check_reduce_size "../firmware/critical/pieeprom-2019-05-10.bin" "bootconf-2019-05-10.txt"
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cleanup
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