333 lines
12 KiB
Bash
333 lines
12 KiB
Bash
#!/usr/bin/env bash
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# SPDX-License-Identifier: (GPL-2.0-only OR MIT)
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# Copyright (C) 2026 Amlogic, Inc. All rights reserved
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################################################################################
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# Amlbian Udev Rules Compilation Module
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#
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# Purpose: Compile and package udev rules for DMA heap devices
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# Provides: dmaheap.rules installation for Amlogic GPU support
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################################################################################
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set -e
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# Get script directory
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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AMLBIAN_DIR="$(dirname "$(dirname "${SCRIPT_DIR}")")"
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# Source common functions
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if [[ -f "${AMLBIAN_DIR}/lib/function-common.sh" ]]; then
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source "${AMLBIAN_DIR}/lib/function-common.sh"
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fi
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# ==============================================================================
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# Shared Helper Functions
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# ==============================================================================
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# ------------------------------------------------------------------------------
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# Step 1: Version and Package Information Definition
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# ------------------------------------------------------------------------------
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# Initialize common package metadata for udev rules
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function _udev_init_package_info() {
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PKG_MAINTAINER="Armbian Build <[email protected]>"
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PKG_DESCRIPTION="Udev rules for Amlogic"
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PKG_NAME="aml-udev"
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PKG_VERSION="1.0"
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PKG_ARCH="all"
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# Source directory for udev rules
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UDEV_SRC_DIR="${SCRIPT_DIR}/files"
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}
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# ------------------------------------------------------------------------------
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# Step 2: Build Directory Structure Setup
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# ------------------------------------------------------------------------------
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# Create layered build directory structure
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# Parameters:
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# $1 - base name (e.g. "${PKG_NAME}_${PKG_VERSION}_${PKG_ARCH}")
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# Sets: TMP_DIR, BASE_BUILD_DIR, SOURCE_DIR, BUILD_DIR, INSTALL_DIR, PATCH_DIR,
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# DEB_PACKAGE_DIR, DEBIAN_DIR
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function _udev_create_build_dirs() {
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local base_name="$1"
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TMP_DIR="${AMLBIAN_DIR}/.tmp"
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mkdir -p "${TMP_DIR}"
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# 基础构建目录
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BASE_BUILD_DIR="${TMP_DIR}/${base_name}"
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rm -rf ${BASE_BUILD_DIR}
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# 分层目录
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SOURCE_DIR="${BASE_BUILD_DIR}/source" # 源码目录
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BUILD_DIR="${BASE_BUILD_DIR}/build" # 编译目录
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INSTALL_DIR="${BASE_BUILD_DIR}/install" # 安装目录
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PATCH_DIR="${BASE_BUILD_DIR}/patch" # 补丁目录
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# 创建所有目录
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mkdir -p "${SOURCE_DIR}"
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mkdir -p "${BUILD_DIR}"
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mkdir -p "${INSTALL_DIR}"
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mkdir -p "${PATCH_DIR}"
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# 在BUILD_DIR下创建deb/包名目录
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DEB_PACKAGE_DIR="${BUILD_DIR}/deb/${base_name}"
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mkdir -p "${DEB_PACKAGE_DIR}"
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# 安装目录的子目录
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DEBIAN_DIR="${INSTALL_DIR}/DEBIAN"
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mkdir -p "${DEBIAN_DIR}"
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# 创建udev规则安装目录
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mkdir -p "${INSTALL_DIR}/etc/udev/rules.d"
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mkdir -p "${INSTALL_DIR}/etc/udev/scripts"
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mkdir -p "${INSTALL_DIR}/etc/systemd/system"
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mkdir -p "${INSTALL_DIR}/etc/systemd/network"
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}
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# ------------------------------------------------------------------------------
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# Step 3: Debian Packaging Scripts Creation
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# ------------------------------------------------------------------------------
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# Create Debian control file
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# Parameters:
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# $1 - package name
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# $2 - package version
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# $3 - package architecture
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# $4 - maintainer
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# $5 - description
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# $6 - section (optional, default "admin")
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function _udev_create_control_file() {
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local pkg_name="$1"
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local pkg_version="$2"
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local pkg_arch="$3"
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local maintainer="$4"
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local description="$5"
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local section="${6:-admin}"
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display_alert "COMPILE-UDEV Creating control file DEBIAN/control" "info"
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cat > "${DEBIAN_DIR}/control" <<EOF
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Package: ${pkg_name}
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Version: ${pkg_version}
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Architecture: ${pkg_arch}
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Maintainer: ${maintainer}
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Depends:
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Section: ${section}
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Priority: optional
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Description: ${description}
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This package provides udev rules on Amlogic SoCs.
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These permissions are required for proper GPU memory allocation.
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EOF
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}
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# Create postinst script for udev rules
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function _udev_create_postinst() {
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display_alert "COMPILE-UDEV Creating post-installation script DEBIAN/postinst" "info"
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cat > "${DEBIAN_DIR}/postinst" << EOF
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#!/bin/sh
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set -e
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if [ "\$1" = "configure" ]; then
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# Reload udev rules
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if command -v udevadm >/dev/null 2>&1; then
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udevadm control --reload-rules
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udevadm trigger
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echo "Udev rules reloaded for DMA heap devices"
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else
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echo "Warning: udevadm not found, cannot reload udev rules"
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fi
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fi
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exit 0
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EOF
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chmod 755 "${DEBIAN_DIR}/postinst"
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}
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# Create prerm script for udev rules
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function _udev_create_prerm() {
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display_alert "COMPILE-UDEV Creating pre-removal script DEBIAN/prerm" "info"
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cat > "${DEBIAN_DIR}/prerm" << EOF
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#!/bin/sh
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set -e
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if [ "\$1" = "remove" ] || [ "\$1" = "deconfigure" ]; then
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# Note: We don't remove the rules file here because it might be modified by user
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# The file will be removed by dpkg during package removal
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echo "udev rules package being removed"
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fi
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exit 0
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EOF
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chmod 755 "${DEBIAN_DIR}/prerm"
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}
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# ------------------------------------------------------------------------------
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# Step 4: Source/Vendor File Copying
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# ------------------------------------------------------------------------------
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# Copy udev rules from source directory
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function _udev_copy_rules_files() {
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display_alert "COMPILE-UDEV Copying dmaheap.rules from ${UDEV_SRC_DIR}" "info"
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if [[ -f "${UDEV_SRC_DIR}/dmaheap.rules" ]]; then
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cp "${UDEV_SRC_DIR}/dmaheap.rules" "${INSTALL_DIR}/etc/udev/rules.d/"
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display_alert "COMPILE-UDEV Copied dmaheap.rules" "info"
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fi
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if [[ -f "${UDEV_SRC_DIR}/10-amlogic-wireless-insmod.rules" ]]; then
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cp "${UDEV_SRC_DIR}/10-amlogic-wireless-insmod.rules" "${INSTALL_DIR}/etc/udev/rules.d/"
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display_alert "COMPILE-UDEV Copied 10-amlogic-wireless-insmod.rules" "info"
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fi
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if [[ -f "${UDEV_SRC_DIR}/10-audio-dummy-soc-kdriver-alias-insmod.rules" ]]; then
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cp "${UDEV_SRC_DIR}/10-audio-dummy-soc-kdriver-alias-insmod.rules" "${INSTALL_DIR}/etc/udev/rules.d/"
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display_alert "COMPILE-UDEV Copied 10-audio-dummy-soc-kdriver-alias-insmod.rules" "info"
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fi
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if [[ -f "${UDEV_SRC_DIR}/10-video.rules" ]]; then
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cp "${UDEV_SRC_DIR}/10-video.rules" "${INSTALL_DIR}/etc/udev/rules.d/"
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display_alert "COMPILE-UDEV Copied 10-video.rules" "info"
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fi
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if [[ -f "${UDEV_SRC_DIR}/10-adb-serial.rules" ]]; then
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cp "${UDEV_SRC_DIR}/10-adb-serial.rules" "${INSTALL_DIR}/etc/udev/rules.d/"
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display_alert "COMPILE-UDEV Copied 10-adb-serial.rules" "info"
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fi
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if [[ -f "${UDEV_SRC_DIR}/99-rfkill.rules" ]]; then
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cp "${UDEV_SRC_DIR}/99-rfkill.rules" "${INSTALL_DIR}/etc/udev/rules.d/"
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cp "${UDEV_SRC_DIR}/bt-rfkill.sh" "${INSTALL_DIR}/etc/udev/scripts/"
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chmod 0755 "${INSTALL_DIR}/etc/udev/scripts/bt-rfkill.sh"
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display_alert "COMPILE-UDEV Copied 10-adb-serial.rules" "info"
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fi
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if [[ -f "${UDEV_SRC_DIR}/99-recover-adbd.rules" ]]; then
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cp "${UDEV_SRC_DIR}/99-recover-adbd.rules" "${INSTALL_DIR}/etc/udev/rules.d/"
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cp "${UDEV_SRC_DIR}/adbd-recover.sh" "${INSTALL_DIR}/etc/udev/scripts/"
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cp "${UDEV_SRC_DIR}/adbd-recover.service" "${INSTALL_DIR}/etc/systemd/system/"
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chmod 0755 "${INSTALL_DIR}/etc/udev/scripts/adbd-recover.sh"
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display_alert "COMPILE-UDEV Copied 99-recover-adbd.rules" "info"
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fi
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if [[ -f "${UDEV_SRC_DIR}/10-wlan0.link" ]]; then
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cp "${UDEV_SRC_DIR}/10-wlan0.link" "${INSTALL_DIR}/etc/systemd/network/"
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chmod 0755 "${INSTALL_DIR}/etc/systemd/network/10-wlan0.link"
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display_alert "COMPILE-UDEV Copied 10-wlan0.link" "info"
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fi
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cat > "${INSTALL_DIR}/etc/udev/rules.d/npu.rules" << EOF
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KERNEL=="adla0", MODE="0777", RUN+="/bin/mkdir -p /data/nn", RUN+="/bin/chmod 777 /data/nn"
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EOF
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if ! is_feature_contains "$MEDIA_ENCODER_HW_CONFIG" "TAHOE"; then
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cat > "${INSTALL_DIR}/etc/udev/rules.d/venc.rules" << EOF
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KERNEL=="vc8000", MODE="0777"
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KERNEL=="memalloc", MODE="0777"
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EOF
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else
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cat > "${INSTALL_DIR}/etc/udev/rules.d/venc.rules" << EOF
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KERNEL=="tahoe", MODE="0777"
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EOF
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fi
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display_alert "COMPILE-UDEV Created default venc.rules for ${BOARD}" "info"
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}
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# ------------------------------------------------------------------------------
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# Step 5: Debian Package Building
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# ------------------------------------------------------------------------------
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# Build Debian package from install directory
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# Parameters:
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# $1 - log prefix (e.g. "COMPILE-UDEV")
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# $2 - output deb filename (without path)
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# Sets: OUTPUT_DEB
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function _udev_build_deb_package() {
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local log_prefix="$1"
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local output_deb_name="$2"
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# 将install目录内容拷贝到deb目录
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display_alert "Copying install directory to deb package directory ${log_prefix}" "info"
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cp -r "${INSTALL_DIR}/"* "${DEB_PACKAGE_DIR}/" 2>&1
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# 基于deb目录打包
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display_alert "Building Debian package from deb directory ${log_prefix}" "info"
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dpkg-deb --build "${DEB_PACKAGE_DIR}" 2>&1
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# Move to output directory
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OUTPUT_DEB="${SRC}/output/${output_deb_name}"
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mkdir -p "$(dirname "${OUTPUT_DEB}")"
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mv "${DEB_PACKAGE_DIR}.deb" "${OUTPUT_DEB}"
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display_alert "${log_prefix} Package built successfully ${output_deb_name}" "info"
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display_alert "${log_prefix} Build directory preserved ${BASE_BUILD_DIR}" "info"
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}
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# Display build directory info
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# Parameters:
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# $1 - log prefix
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function _udev_display_build_info() {
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local log_prefix="$1"
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display_alert "${log_prefix} Source dir: ${SOURCE_DIR}" "info"
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display_alert "${log_prefix} Build dir: ${BUILD_DIR}" "info"
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display_alert "${log_prefix} Install dir: ${INSTALL_DIR}" "info"
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display_alert "${log_prefix} Patch dir: ${PATCH_DIR}" "info"
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display_alert "${log_prefix} Deb package dir: ${DEB_PACKAGE_DIR}" "info"
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display_alert "${log_prefix} Udev source dir: ${UDEV_SRC_DIR}" "info"
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}
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# ==============================================================================
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# Main Build Functions (Entry Points - DO NOT RENAME)
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# ==============================================================================
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# ------------------------------------------------------------------------------
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# Udev Rules Build
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# Entry point: amlbian_build_udev
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# ------------------------------------------------------------------------------
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function amlbian_build_udev() {
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if ! is_unit_enabled "udev"; then
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echo "[SKIP] >> Udev disable in BUILD_UNITS"
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return
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fi
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# ---- Step 1: Version and Package Information ----
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_udev_init_package_info
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# ---- Step 2: Build Directory Setup ----
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_udev_create_build_dirs "${PKG_NAME}_${PKG_VERSION}_${PKG_ARCH}"
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# Display info
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display_alert "COMPILE-UDEV Building DMA heap udev rules package version ${PKG_VERSION}" "info"
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_udev_display_build_info "COMPILE-UDEV"
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# ---- Step 3: Debian Packaging Scripts ----
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_udev_create_control_file \
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"${PKG_NAME}" "${PKG_VERSION}" "${PKG_ARCH}" "${PKG_MAINTAINER}" \
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"${PKG_DESCRIPTION}" "admin"
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_udev_create_postinst
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_udev_create_prerm
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# ---- Step 4: Copy Source/Vendor Files ----
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_udev_copy_rules_files
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# ---- Step 5: Build Debian Package ----
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_udev_build_deb_package "COMPILE-UDEV" "${PKG_NAME}_${PKG_VERSION}_${PKG_ARCH}.deb"
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# Display the installed rules location
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display_alert "COMPILE-UDEV After installation, run: sudo udevadm control --reload-rules && sudo udevadm trigger" "info"
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return 0
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}
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display_alert "AMLbian udev Build Script" "Scriptdir: ${SCRIPT_DIR} AmlbianDir: ${AMLBIAN_DIR} Version: ${KERNEL_VERSION}, Board: ${BOARD}" "info"
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amlbian_build_udev
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display_alert "AMLOGIC: udev build completed" "${OUTPUT_DIR}" "info"
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