vfio-guide-2/scripts/extract-vbios-nvflash.sh

38 lines
954 B
Bash

#!/bin/bash
## Check if the script was executed as root
[[ "$EUID" -ne 0 ]] && echo "Please run as root" && exit 1
## Load the config file
source "${BASH_SOURCE%/*}/config"
## Kill the Display Manager
systemctl stop lightdm
## Remove the framebuffer and console
echo 0 > /sys/class/vtconsole/vtcon0/bind
echo 0 > /sys/class/vtconsole/vtcon1/bind
echo efi-framebuffer.0 > /sys/bus/platform/drivers/efi-framebuffer/unbind
# Unload the Kernel Modules that use the GPU
modprobe -r nvidia_drm
modprobe -r nvidia_modeset
modprobe -r nvidia
modprobe -r snd_hda_intel
## Extract the VBIOS
$NVFLASH --save $VBIOS_EXTRACT_PATH
# Reload the kernel modules
modprobe snd_hda_intel
modprobe nvidia_drm
modprobe nvidia_modeset
modprobe nvidia
## Reload the framebuffer and console
echo 1 > /sys/class/vtconsole/vtcon0/bind
echo efi-framebuffer.0 > /sys/bus/platform/drivers/efi-framebuffer/bind
# Reload the Display Manager to access X
systemctl start lightdm