diff options
Diffstat (limited to 'autoprobe.zsh')
| -rwxr-xr-x | autoprobe.zsh | 271 |
1 files changed, 271 insertions, 0 deletions
diff --git a/autoprobe.zsh b/autoprobe.zsh new file mode 100755 index 0000000..b23fae3 --- /dev/null +++ b/autoprobe.zsh @@ -0,0 +1,271 @@ +#!/usr/bin/env zsh +# +# Copyright (C) 2026 Maria Lisina +# SPDX-License-Identifier: Apache-2.0 +# +# A script for probing basic hardware from /sys/bus on modern laptops + +set -e + +lkddb="$(dirname "${0}")/lkddb.list" +defconfig="$(dirname "${0}")/autoprobe.defconfig" + +if ! [[ -f "${lkddb}" ]] +then + echo "lkddb.list is not found!" \ + "\nPlease download it from \`https://cateee.net/sources/lkddb\` for your kernel version," \ + "\nand rename it to lkddb.list in the same directory as this script." + exit 1 +fi + +rm -f "${defconfig}" + +printf "#\n# Automatically generated by ${0##*/}\n#\n" >> "${defconfig}" +printf "# This is not a real defconfig file, but a minimal list of kernel\n" >> "${defconfig}" +printf "# configurations for a better understanding of your hardware.\n#\n" >> "${defconfig}" +printf "# Expect false positives, use with caution!\n#\n" >> "${defconfig}" + +add_section() +{ + printf '\n# %s\n' "${1}" >> "${defconfig}" +} + +extract_configs_from_lkddb() +{ + if [[ -n "${1}" ]] + then + grep "${1}" "${lkddb}" | grep -o 'CONFIG_.*:' | sed 's/ .$//' + fi +} + +add_config_if_unique() +{ + if [[ -n "${1}" ]] && ! grep -q "${1}" "${defconfig}" + then + printf '%s\n' "${1}" >> "${defconfig}" + fi +} + +extract_driver_from_uevent() +{ + if [[ -f "${1}" ]] + then + < "${1}" | grep '^DRIVER=' | cut -d '=' -f 2 | sed 's/[-_]/\[-_\]/g' + fi +} + +search_and_add_configs() +{ + local configs=($(extract_configs_from_lkddb "${1}")) + + for config in ${configs[@]} + do + add_config_if_unique "${config}" + done +} + +search_with_module_fallback() +{ + local configs=($(extract_configs_from_lkddb "${1}")) + + if [[ -n "${2}" && -z "${configs}" ]] + then + configs=($(extract_configs_from_lkddb "^module ${2} ")) + fi + + for config in ${configs[@]} + do + add_config_if_unique "${config}" + done +} + +echo "Adding ACPI devices to defconfig..." +add_section "ACPI" + +for dev in $(ls -1 /sys/bus/acpi/devices) +do + if ! [[ -f "/sys/bus/acpi/devices/${dev}/hid" ]] + then + continue + fi + + search_and_add_configs "^acpi \"$(< "/sys/bus/acpi/devices/${dev}/hid")\"" +done + +echo "Adding PCI devices to defconfig..." +add_section "PCI" + +for dev in $(ls -1 /sys/bus/pci/devices) +do + if ! [[ -f "/sys/bus/pci/devices/${dev}/vendor" ]] + then + continue + fi + + pci_id=$(printf '%s %s' \ + "$(< "/sys/bus/pci/devices/${dev}/vendor")" \ + "$(< "/sys/bus/pci/devices/${dev}/device")" | + sed 's/0x//g' + ) + driver=$(extract_driver_from_uevent "/sys/bus/pci/devices/${dev}/uevent") + + search_with_module_fallback "^pci ${pci_id} " "${driver}" +done + +echo "Adding HD-audio devices to defconfig..." +add_section "HD-audio" + +for dev in $(ls -1 /sys/bus/hdaudio/devices) +do + if ! [[ -f "/sys/bus/hdaudio/devices/${dev}/vendor_id" ]] + then + continue + fi + + vendor_id="$(< "/sys/bus/hdaudio/devices/${dev}/vendor_id" | sed 's/0x//g')" + driver=$(extract_driver_from_uevent "/sys/bus/hdaudio/devices/${dev}/uevent") + + search_with_module_fallback "^hda ${vendor_id} " "${driver}" +done + +echo "Adding HID devices to defconfig..." +add_section "HID" + +for dev in $(ls -1 /sys/bus/hid/devices) +do + if ! [[ -f "/sys/bus/hid/devices/${dev}/uevent" ]] + then + continue + fi + + hid_id="$(< "/sys/bus/hid/devices/${dev}/uevent" | + grep '^HID_ID=' | + cut -d '=' -f 2 | + tr ':' ' ' | + tr '[:upper:]' '[:lower:]' + )" + driver=$(extract_driver_from_uevent "/sys/bus/hid/devices/${dev}/uevent") + + search_with_module_fallback "^hid ${hid_id} " "${driver}" +done + +echo "Adding USB devices to defconfig..." +add_section "USB" + +for dev in $(ls -1 /sys/bus/usb/devices) +do + if ! [[ -f "/sys/bus/usb/devices/${dev}/uevent" ]] + then + continue + fi + + driver=$(extract_driver_from_uevent "/sys/bus/usb/devices/${dev}/uevent") + + search_and_add_configs "^module ${driver} " +done + +echo "Adding I2C devices to defconfig..." +add_section "I2C" + +for dev in $(ls -1 /sys/bus/i2c/devices) +do + if ! [[ -f "/sys/bus/i2c/devices/${dev}/name" ]] + then + continue + fi + + modname="$(< "/sys/bus/i2c/devices/${dev}/name")" + + if [[ -z "${modname}" ]] + then + continue + fi + + search_and_add_configs "^module.*\"${modname}\"" +done + +echo "Adding PNP devices to defconfig..." +add_section "PNP" + +for dev in $(ls -1 /sys/bus/pnp/devices) +do + if ! [[ -f "/sys/bus/pnp/devices/${dev}/id" ]] + then + continue + fi + + search_and_add_configs "^pnp.*\"$(< "/sys/bus/pnp/devices/${dev}/id")\"" +done + +echo "Adding Platform devices to defconfig..." +add_section "Platform" + +for dev in $(ls -1 /sys/bus/platform/devices) +do + if ! [[ -f "/sys/bus/platform/devices/${dev}/uevent" ]] + then + continue + fi + + driver=$(extract_driver_from_uevent "/sys/bus/platform/devices/${dev}/uevent") + + search_and_add_configs "^module ${driver} " +done + +echo "Adding Serial devices to defconfig..." +add_section "Serial" + +for dev in $(ls -1 /sys/bus/serio/devices) +do + if ! [[ -f "/sys/bus/serio/devices/${dev}/id/type" ]] + then + continue + fi + + serio_type="$(< "/sys/bus/serio/devices/${dev}/id/type")" + serio_proto="$(< "/sys/bus/serio/devices/${dev}/id/proto")" + + if [[ "${serio_proto}" == "00" ]] + then + serio_proto=".." + fi + + serio_id=$(printf '%s %s' "${serio_type}" "${serio_proto}") + + search_and_add_configs "^serio ${serio_id}" +done + +echo "Adding Filesystems to defconfig..." +add_section "Filesystems" + +for fs in $(mount | cut -d ' ' -f 5 | sort) +do + search_and_add_configs "^fs \"${fs}\"" +done + +echo "Adding CPU features to defconfig..." +add_section "CPU Features" + +if [[ -f "/sys/bus/cpu/devices/cpu0/uevent" ]] +then + modalias="$(< "/sys/bus/cpu/devices/cpu0/uevent" | + grep '^MODALIAS=' | + cut -d '=' -f 2 | + sed 's/[-_]/\[-_\]/g' + )" + + for modname in $(modprobe -R "${modalias}" | sed 's/[-_]/\[-_\]/g') + do + search_and_add_configs "^module ${modname} " + done +fi + +echo "Adding Modules to defconfig..." +add_section "Modules" + +for module in $(lsmod | sed -e '1d' -e 's/ .*$//g' -e 's/[-_]/\[-_\]/g' | sort) +do + search_and_add_configs "^module ${module} " +done + +sed -i '/^CONFIG__UNKNOWN__.*$/d' "${defconfig}" |