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f8e7d33d69
Disable CONFIG_EXPERT as well since DEBUG_KERNEL=y is a dependency for EXPERT=y, meaning DEBUG_KERNEL would be re-enabled automatically if EXPERT is enabled
76 lines
3.5 KiB
Bash
76 lines
3.5 KiB
Bash
#!/usr/bin/env bash
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#
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# SPDX-License-Identifier: GPL-2.0
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#
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# Copyright (c) 2013-2023 Igor Pecovnik, igor@armbian.com
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#
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# This file is a part of the Armbian Build Framework
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# https://github.com/armbian/build/
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# Forced .config options for all Armbian kernels.
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# Please note: Manually changing options doesn't check the validity of the .config file. This is done at next make time. Check for warnings in build log.
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# This is an internal/core extension.
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function armbian_kernel_config__disable_various_options() {
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kernel_config_modifying_hashes+=("CONFIG_MODULE_COMPRESS_NONE=y" "CONFIG_MODULE_SIG=n" "CONFIG_LOCALVERSION_AUTO=n" "DEBUG_KERNEL=n")
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if [[ -f .config ]]; then
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display_alert "Disabling module compression and signing / debug / auto version" "armbian-kernel" "debug"
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# DONE: Disable: signing, and compression of modules, for speed.
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kernel_config_set_n CONFIG_MODULE_COMPRESS_XZ # No use double-compressing modules
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kernel_config_set_n CONFIG_MODULE_COMPRESS_ZSTD
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kernel_config_set_n CONFIG_MODULE_COMPRESS_GZIP
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kernel_config_set_y CONFIG_MODULE_COMPRESS_NONE
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kernel_config_set_n CONFIG_SECURITY_LOCKDOWN_LSM
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kernel_config_set_n CONFIG_MODULE_SIG # No use signing modules
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# DONE: Disable: version shenanigans
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kernel_config_set_n CONFIG_LOCALVERSION_AUTO # This causes a mismatch between what Armbian wants and what make produces.
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kernel_config_set_string CONFIG_LOCALVERSION '""' # Must be empty; make is later invoked with LOCALVERSION and it adds up
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# DONE: Disable: debug option
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kernel_config_set_n DEBUG_KERNEL # Armbian doesn't know how to package a debug kernel.
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kernel_config_set_n EXPERT # This needs to be disabled as well since DEBUG_KERNEL=y is a dependency for EXPERT=y, meaning DEBUG_KERNEL would be re-enabled automatically if EXPERT is enabled
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kernel_config_set_y DEBUG_INFO_NONE # Do not build the kernel with debugging information, which will result in a faster and smaller build. (NOTE: Not needed (?) when DEBUG_KERNEL=n and EXPERT=n since all DEBUG_INFO options are missing anyway in that case)
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kernel_config_set_n GDB_SCRIPTS
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# @TODO: Enable the options for the extrawifi/drivers; so we don't need to worry about them when updating configs
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fi
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}
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# Helpers for manipulating kernel config.
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function kernel_config_set_m() {
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declare module="$1"
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display_alert "Enabling kernel module" "${module}=m" "debug"
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run_host_command_logged ./scripts/config --module "$module"
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}
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function kernel_config_set_y() {
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declare config="$1"
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display_alert "Enabling kernel config/built-in" "${config}=y" "debug"
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run_host_command_logged ./scripts/config --enable "${config}"
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}
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function kernel_config_set_n() {
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declare config="$1"
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display_alert "Disabling kernel config/module" "${config}=n" "debug"
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# Only set to "n" if the config option can be found in the config file.
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# Otherwise the option would maybe be considered as misconfiguration.
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if grep -qE "(\b${config}\=|CONFIG_${config}\=)" .config; then
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run_host_command_logged ./scripts/config --disable "${config}"
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elif grep -qE "(\b${config} is not set|\bCONFIG_${config} is not set)" .config; then
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display_alert "Kernel config/module was already disabled" "${config}=n skipped" "debug"
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else
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display_alert "Kernel config/module was not found in the config file" "${config}=n was not added to prevent misconfiguration" "debug"
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fi
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}
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function kernel_config_set_string() {
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declare config="$1"
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declare value="${2}"
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display_alert "Setting kernel config/module" "${config}=${value}" "debug"
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run_host_command_logged ./scripts/config --set-str "${config}" "${value}"
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}
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