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Testing 5

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pocopico
2022-12-08 19:50:34 +02:00
parent 857973ed4a
commit 171d6b0739
2 changed files with 65 additions and 29 deletions
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tools/bzImage-template-v5.gz Normal file
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94
tools/vmlinux-to-bzImage.sh
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@ -1,19 +1,20 @@
#!/bin/bash
LOG_FILE="/tmp/log"
KVER="$(strings $1 | grep "Linux version" | awk '{print $3}')"
function dieLog() {
echo "X"
echo "X"
}
function crc32(){
gzip -c $1 | tail -c8 | od -t x4 -N 4 -A n
function crc32() {
gzip -c $1 | tail -c8 | od -t x4 -N 4 -A n
}
#zImage_head 16494
#payload(
# vmlinux.bin x
@ -32,43 +33,78 @@ gzip -c $1 | tail -c8 | od -t x4 -N 4 -A n
# 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 () {
file_size_le() {
printf $(
dec_size=0;
dec_size=0
for F in "${@}"; do
fsize=$(stat -c "%s" ${F});
dec_size=$(expr ${dec_size} + ${fsize});
done;
fsize=$(stat -c "%s" ${F})
dec_size=$(expr ${dec_size} + ${fsize})
done
printf "%08x\n" ${dec_size} |
sed 's/\(..\)/\1 /g' | {
read ch0 ch1 ch2 ch3;
for ch in ${ch3} ${ch2} ${ch1} ${ch0}; do
printf '%s%03o' '\' $((0x${ch}));
done;
}
read ch0 ch1 ch2 ch3
for ch in ${ch3} ${ch2} ${ch1} ${ch0}; do
printf '%s%03o' '\' $((0x${ch}))
done
}
)
}
size_le () {
size_le() {
printf $(
printf "%08x\n" "${@}" |
sed 's/\(..\)/\1 /g' | {
read ch0 ch1 ch2 ch3;
for ch in ${ch3} ${ch2} ${ch1} ${ch0}; do
printf '%s%03o' '\' $((0x${ch}));
done;
}
read ch0 ch1 ch2 ch3
for ch in ${ch3} ${ch2} ${ch1} ${ch0}; do
printf '%s%03o' '\' $((0x${ch}))
done
}
)
}
SCRIPT_DIR=`dirname $0`
SCRIPT_DIR=$(dirname $0)
VMLINUX_MOD=${1}
ZIMAGE_MOD=${2}
gzip -cd "${SCRIPT_DIR}/zImage_template.gz" > "${ZIMAGE_MOD}"
dd if="${VMLINUX_MOD}" of="${ZIMAGE_MOD}" bs=16494 seek=1 conv=notrunc >"${LOG_FILE}" 2>&1 || dieLog
file_size_le "${VMLINUX_MOD}" | dd of="${ZIMAGE_MOD}" bs=15745134 seek=1 conv=notrunc >"${LOG_FILE}" 2>&1 || dieLog
if [ ${KVER:0:1} -eq 4 ]; then
RUN_SIZE=`objdump -h ${VMLINUX_MOD} | sh "${SCRIPT_DIR}/calc_run_size.sh"`
size_le $RUN_SIZE | dd of=$ZIMAGE_MOD bs=15745210 seek=1 conv=notrunc >"${LOG_FILE}" 2>&1 || dieLog
file_size_le "${VMLINUX_MOD}" | dd of="${ZIMAGE_MOD}" bs=15745244 seek=1 conv=notrunc >"${LOG_FILE}" 2>&1 || dieLog
size_le $(($((16#`crc32 "${ZIMAGE_MOD}" | awk '{print$1}'`)) ^ 0xFFFFFFFF)) | dd of="${ZIMAGE_MOD}" conv=notrunc oflag=append >"${LOG_FILE}" 2>&1 || dieLog
# Kernel version 4.x
#zImage_head 16494
#payload(
# vmlinux.bin x
# padding 0xf00000-x
# vmlinux.bin size 4
#) 0xf00004
#zImage_tail(
# unknown 72
# run_size 4
# unknown 30
# vmlinux.bin size 4
# unknown 114460
#) 114570
#crc32 4
gzip -cd "${SCRIPT_DIR}/zImage_template.gz" >"${ZIMAGE_MOD}"
dd if="${VMLINUX_MOD}" of="${ZIMAGE_MOD}" bs=16494 seek=1 conv=notrunc >"${LOG_FILE}" 2>&1 || dieLog
file_size_le "${VMLINUX_MOD}" | dd of="${ZIMAGE_MOD}" bs=15745134 seek=1 conv=notrunc >"${LOG_FILE}" 2>&1 || dieLog
RUN_SIZE=$(objdump -h ${VMLINUX_MOD} | sh "${SCRIPT_DIR}/calc_run_size.sh")
size_le $RUN_SIZE | dd of=$ZIMAGE_MOD bs=15745210 seek=1 conv=notrunc >"${LOG_FILE}" 2>&1 || dieLog
file_size_le "${VMLINUX_MOD}" | dd of="${ZIMAGE_MOD}" bs=15745244 seek=1 conv=notrunc >"${LOG_FILE}" 2>&1 || dieLog
size_le $(($((16#$(crc32 "${ZIMAGE_MOD}" | awk '{print$1}'))) ^ 0xFFFFFFFF)) | dd of="${ZIMAGE_MOD}" conv=notrunc oflag=append >"${LOG_FILE}" 2>&1 || dieLog
else
# Kernel version 5.x
gzip -cd "${SCRIPT_DIR}/bzImage-template-v5.gz" >"${ZIMAGE_MOD}"
lzma -9c ${VMLINUX_MOD} >${TMP_PATH}/vmlinux-mod.lzma
dd if="${TMP_PATH}/vmlinux-mod.lzma" of="${ZIMAGE_MOD}" bs=15377 seek=1 conv=notrunc >"${LOG_FILE}" 2>&1 || dieLog
file_size_le "${VMLINUX_MOD}" | dd of="${ZIMAGE_MOD}" bs=8377991 seek=1 conv=notrunc >"${LOG_FILE}" 2>&1 || dieLog
file_size_le "${VMLINUX_MOD}" | dd of="${ZIMAGE_MOD}" bs=8420412 seek=1 conv=notrunc >"${LOG_FILE}" 2>&1 || dieLog
RUN_SIZE=$(objdump -h ${VMLINUX_MOD} | sh "${SCRIPT_DIR}/calc_run_size.sh")
size_le ${RUN_SIZE} | dd of=${ZIMAGE_MOD} bs=8420408 seek=1 conv=notrunc >"${LOG_FILE}" 2>&1 || dieLog
size_le $(($((16#$(crc32 "${ZIMAGE_MOD}" | awk '{print$1}'))) ^ 0xFFFFFFFF)) | dd of="${ZIMAGE_MOD}" conv=notrunc oflag=append >"${LOG_FILE}" 2>&1 || dieLog
fi