mirror of
https://github.com/keylase/nvidia-patch.git
synced 2024-08-30 18:32:50 +00:00
4d06da0f3a
Have a two-script workflow where one focuses on finding the bytecode in the driver files, and the other focuses on updating patch.sh using the newly found bytecode or a previously existing one. Signed-off-by: Jai Luthra <me@jailuthra.in>
46 lines
928 B
Bash
Executable File
46 lines
928 B
Bash
Executable File
#!/bin/bash
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set -euo pipefail
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(( $# == 2 )) || {
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>&2 echo "Usage: $0 <version> <URL>"
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exit 2
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}
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MATCH_STR=feff85c04189c4
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driver_version=$1
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driver_url=$2
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driver_file=NVIDIA-Linux-x86_64-$driver_version.run
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download_driver() {
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wget -c $driver_url -O $driver_file 1>&2
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chmod +x $driver_file
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}
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extract_driver() {
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if [[ ! -e ${driver_file%".run"} ]]; then
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./$driver_file -x
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fi
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}
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search_bytecode() {
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nvenc_file=${driver_file%".run"}/libnvidia-encode.so.$driver_version
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bytecode=$(xxd -c0 -ps $nvenc_file | grep -oP ".{0,6}$MATCH_STR")
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echo $bytecode
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}
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get_patch_str() {
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bytecode=$1
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fixed=${bytecode:0:10}29${bytecode:(-8):8}
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bytecode=$(echo "$bytecode" | sed 's/../\\x&/g')
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fixed=$(echo "$fixed" | sed 's/../\\x&/g')
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echo "[\"$driver_version\"]='s/$bytecode/$fixed/g'"
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}
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mkdir -p temp
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cd temp
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download_driver
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extract_driver
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get_patch_str $(search_bytecode)
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cd ..
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