mirror of
https://github.com/RROrg/rr.git
synced 2025-06-21 05:51:05 +08:00
74 lines
3.1 KiB
Bash
Executable File
74 lines
3.1 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
# Based on code and ideas from @jumkey
|
|
|
|
[ -z "${WORK_PATH}" ] || [ ! -d "${WORK_PATH}/include" ] && WORK_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)"
|
|
|
|
. "${WORK_PATH}/include/functions.sh"
|
|
|
|
PLATFORM="$(readConfigKey "platform" "${USER_CONFIG_FILE}")"
|
|
PRODUCTVER="$(readConfigKey "productver" "${USER_CONFIG_FILE}")"
|
|
KVER="$(readConfigKey "platforms.${PLATFORM}.productvers.\"${PRODUCTVER}\".kver" "${WORK_PATH}/platforms.yml")"
|
|
KPRE="$(readConfigKey "platforms.${PLATFORM}.productvers.\"${PRODUCTVER}\".kpre" "${WORK_PATH}/platforms.yml")"
|
|
|
|
# Adapted from: scripts/Makefile.lib
|
|
# Usage: size_append FILE [FILE2] [FILEn]...
|
|
# Output: LE HEX with size of file in bytes (to STDOUT)
|
|
file_size_le() {
|
|
printf $(
|
|
local dec_size=0
|
|
for F in "$@"; do dec_size=$((dec_size + $(stat -c "%s" "${F}"))); done
|
|
printf "%08x\n" "${dec_size}" | sed 's/\(..\)/\1 /g' | {
|
|
read -r ch0 ch1 ch2 ch3
|
|
for ch in "${ch3}" "${ch2}" "${ch1}" "${ch0}"; do printf '%s%03o' '\' "$((0x${ch}))"; done
|
|
}
|
|
)
|
|
}
|
|
|
|
size_le() {
|
|
printf $(
|
|
printf "%08x\n" "${@}" | sed 's/\(..\)/\1 /g' | {
|
|
read -r ch0 ch1 ch2 ch3
|
|
for ch in "${ch3}" "${ch2}" "${ch1}" "${ch0}"; do printf '%s%03o' '\' "$((0x${ch}))"; done
|
|
}
|
|
)
|
|
}
|
|
|
|
VMLINUX_MOD=${1}
|
|
ZIMAGE_MOD=${2}
|
|
if [ "$(echo "${KVER:-4}" | cut -d'.' -f1)" -lt 5 ]; then
|
|
# Kernel version 4.x or 3.x (bromolow)
|
|
# zImage_head 16494
|
|
# payload(
|
|
# vmlinux.bin x
|
|
# padding 0xf00000-x
|
|
# vmlinux.bin size 4
|
|
# ) 0xf00004
|
|
# zImage_tail(
|
|
# unknown 72
|
|
# run_size 4
|
|
# unknown 30
|
|
# vmlinux.bin size 4
|
|
# unknown 114460
|
|
# ) 114570
|
|
# crc32 4
|
|
gzip -dc "${WORK_PATH}/bzImage-template-v4.gz" >"${ZIMAGE_MOD}" || exit 1
|
|
|
|
dd if="${VMLINUX_MOD}" of="${ZIMAGE_MOD}" bs=16494 seek=1 conv=notrunc || exit 1
|
|
file_size_le "${VMLINUX_MOD}" | dd of="${ZIMAGE_MOD}" bs=15745134 seek=1 conv=notrunc || exit 1
|
|
file_size_le "${VMLINUX_MOD}" | dd of="${ZIMAGE_MOD}" bs=15745244 seek=1 conv=notrunc || exit 1
|
|
|
|
RUN_SIZE=$(objdump -h "${VMLINUX_MOD}" | sh "${WORK_PATH}/calc_run_size.sh")
|
|
size_le "${RUN_SIZE}" | dd of="${ZIMAGE_MOD}" bs=15745210 seek=1 conv=notrunc || exit 1
|
|
size_le "$((16#$(crc32 "${ZIMAGE_MOD}" | awk '{print $1}') ^ 0xFFFFFFFF))" | dd of="${ZIMAGE_MOD}" conv=notrunc oflag=append || exit 1
|
|
else
|
|
# Kernel version 5.x
|
|
gzip -dc "${WORK_PATH}/bzImage-template-v5.gz" >"${ZIMAGE_MOD}" || exit 1
|
|
|
|
dd if="${VMLINUX_MOD}" of="${ZIMAGE_MOD}" bs=14561 seek=1 conv=notrunc || exit 1
|
|
file_size_le "${VMLINUX_MOD}" | dd of="${ZIMAGE_MOD}" bs=34463421 seek=1 conv=notrunc || exit 1
|
|
file_size_le "${VMLINUX_MOD}" | dd of="${ZIMAGE_MOD}" bs=34479132 seek=1 conv=notrunc || exit 1
|
|
# RUN_SIZE=$(objdump -h "${VMLINUX_MOD}" | sh "${WORK_PATH}/calc_run_size.sh")
|
|
# size_le "${RUN_SIZE}" | dd of="${ZIMAGE_MOD}" bs=34626904 seek=1 conv=notrunc || exit 1
|
|
size_le "$((16#$(crc32 "${ZIMAGE_MOD}" | awk '{print $1}') ^ 0xFFFFFFFF))" | dd of="${ZIMAGE_MOD}" conv=notrunc oflag=append || exit 1
|
|
fi
|