160 lines
5.5 KiB
Bash
160 lines
5.5 KiB
Bash
#!/usr/bin/env bash
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set -euo pipefail
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echo "==== 1) 当前内核中的 SOF 固件 / 拓扑信息 ===="
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journalctl -k -b | grep -nE 'Firmware file:|Topology file:|Firmware info: version' || true
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echo
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# 确保用 root 运行
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if [[ $EUID -ne 0 ]]; then
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echo "请用 sudo 运行本脚本：sudo bash $0"
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exit 1
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fi
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echo "==== 2) 备份当前 SOF 固件和拓扑 ===="
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BACKUP_FW_DIR="/lib/firmware/intel/sof-backup-kaisa-20260416"
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BACKUP_TPLG_DIR="/lib/firmware/intel/sof-tplg-backup-kaisa-20260416"
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mkdir -p "$BACKUP_FW_DIR"
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mkdir -p "$BACKUP_TPLG_DIR"
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if [[ -f /lib/firmware/intel/sof/community/sof-cml.ri ]]; then
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cp -a /lib/firmware/intel/sof/community/sof-cml.ri "$BACKUP_FW_DIR"/
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echo "已备份 sof-cml.ri 到 $BACKUP_FW_DIR/"
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else
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echo "警告：未找到 /lib/firmware/intel/sof/community/sof-cml.ri"
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fi
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if [[ -f /lib/firmware/intel/sof-tplg/sof-cml-rt5682.tplg ]]; then
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cp -a /lib/firmware/intel/sof-tplg/sof-cml-rt5682.tplg "$BACKUP_TPLG_DIR"/
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echo "已备份 sof-cml-rt5682.tplg 到 $BACKUP_TPLG_DIR/"
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else
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echo "警告：未找到 /lib/firmware/intel/sof-tplg/sof-cml-rt5682.tplg"
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fi
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echo
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echo "==== 2.1) 校验备份是否落盘（sha256） ===="
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if [[ -f "$BACKUP_FW_DIR/sof-cml.ri" ]]; then
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sha256sum /lib/firmware/intel/sof/community/sof-cml.ri "$BACKUP_FW_DIR/sof-cml.ri" || true
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else
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echo "错误：未生成备份文件 $BACKUP_FW_DIR/sof-cml.ri（中止，避免覆盖后无法回滚）"
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exit 1
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fi
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if [[ -f "$BACKUP_TPLG_DIR/sof-cml-rt5682.tplg" ]]; then
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sha256sum /lib/firmware/intel/sof-tplg/sof-cml-rt5682.tplg "$BACKUP_TPLG_DIR/sof-cml-rt5682.tplg" || true
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else
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echo "错误：未生成备份文件 $BACKUP_TPLG_DIR/sof-cml-rt5682.tplg（中止，避免覆盖后无法回滚）"
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exit 1
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fi
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echo
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echo "==== 3) 下载并解压 sof-bin 2025.12.2 ===="
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WORKDIR="/var/tmp/sof-bin-upgrade"
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mkdir -p "$WORKDIR"
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cd "$WORKDIR"
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if [[ ! -f sof-bin-2025.12.2.tar.gz ]]; then
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echo "下载 sof-bin-2025.12.2.tar.gz ..."
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wget https://github.com/thesofproject/sof-bin/releases/download/v2025.12.2/sof-bin-2025.12.2.tar.gz
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else
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echo "已存在 sof-bin-2025.12.2.tar.gz，跳过下载。"
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fi
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echo "解析 tarball 顶层目录..."
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# 注意：脚本启用了 pipefail，直接用 `tar ... | head -n1` 会触发 tar 的 SIGPIPE (exit 141)，导致脚本中止。
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# 所以先将列表落盘，再读取第一行。
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TAR_LIST_FILE="$WORKDIR/sof-bin-2025.12.2.tar.list"
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tar tf sof-bin-2025.12.2.tar.gz > "$TAR_LIST_FILE"
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TOPDIR="$(head -n 1 "$TAR_LIST_FILE" | cut -d/ -f1)"
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if [[ -z "${TOPDIR}" ]]; then
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echo "错误：无法解析 tarball 顶层目录（TOPDIR 为空）"
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exit 1
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fi
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echo "tarball 顶层目录：$TOPDIR"
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if [[ ! -d "$TOPDIR" ]]; then
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echo "解压 sof-bin-2025.12.2.tar.gz 到 $WORKDIR/$TOPDIR ..."
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tar xf sof-bin-2025.12.2.tar.gz
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else
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echo "已存在目录 $TOPDIR，跳过解压。"
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fi
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cd "$TOPDIR"
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echo
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echo "==== 4) 查找 sof-cml.ri 和 sof-cml-rt5682*.tplg ===="
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# 重要：同一个 tarball 里可能同时存在：
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# - ./sof/sof-cml.ri（通常指向 intel-signed 版本或与旧版本相同）
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# - ./sof/community/sof-cml.ri（我们系统实际加载的路径也是 intel/sof/community/sof-cml.ri）
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# 为避免误选，优先选择 community 目录的固件。
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FW_CML_PATH=$(
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find ./sof/community -maxdepth 1 \( -type f -o -type l \) -name 'sof-cml.ri' 2>/dev/null | head -n 1 || true
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)
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if [[ -z "${FW_CML_PATH}" ]]; then
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FW_CML_PATH=$(find . \( -type f -o -type l \) -name 'sof-cml.ri' | head -n 1 || true)
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fi
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TPLG_RT5682_PATH=$(
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find ./sof-tplg -maxdepth 1 -type f -name 'sof-cml-rt5682.tplg' 2>/dev/null | head -n 1 || true
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)
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if [[ -z "${TPLG_RT5682_PATH}" ]]; then
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TPLG_RT5682_PATH=$(find . -type f -name 'sof-cml-rt5682.tplg' | head -n 1 || true)
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fi
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echo "找到的 sof-cml.ri 路径: $FW_CML_PATH"
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echo "找到的 sof-cml-rt5682*.tplg 路径: $TPLG_RT5682_PATH"
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echo
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if [[ -z "$FW_CML_PATH" || -z "$TPLG_RT5682_PATH" ]]; then
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echo "错误：未能在 sof-bin 包内找到 sof-cml.ri 或 sof-cml-rt5682*.tplg"
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exit 1
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fi
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echo "==== 5) 用新固件 / 拓扑 覆盖系统文件 ===="
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cp -L "$FW_CML_PATH" /lib/firmware/intel/sof/community/sof-cml.ri
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echo "已覆盖 /lib/firmware/intel/sof/community/sof-cml.ri"
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cp -L "$TPLG_RT5682_PATH" /lib/firmware/intel/sof-tplg/sof-cml-rt5682.tplg
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echo "已覆盖 /lib/firmware/intel/sof-tplg/sof-cml-rt5682.tplg"
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echo
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echo "==== 5.1) 覆盖后校验（sha256 / 文件大小） ===="
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sha256sum \
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/lib/firmware/intel/sof/community/sof-cml.ri \
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/lib/firmware/intel/sof-tplg/sof-cml-rt5682.tplg || true
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ls -la \
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/lib/firmware/intel/sof/community/sof-cml.ri \
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/lib/firmware/intel/sof-tplg/sof-cml-rt5682.tplg || true
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echo
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echo "提示：如果你想确认 tarball 里选中的文件 hash，可在工作目录下执行："
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echo " sha256sum \"$FW_CML_PATH\" \"$TPLG_RT5682_PATH\""
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echo
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echo "==== 6) 更新 initramfs（可能需要几秒） ===="
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update-initramfs -u
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echo
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echo "==== 7) 升级完成，当前系统中的固件信息 (下次重启后再确认一次) ===="
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journalctl -k -b | grep -nE 'Firmware file:|Topology file:|Firmware info: version' || true
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echo
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echo "步骤完成："
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echo "1) 已备份旧版本到:"
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echo " - $BACKUP_FW_DIR/sof-cml.ri"
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echo " - $BACKUP_TPLG_DIR/sof-cml-rt5682.tplg"
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echo "2) 已将 sof-bin 2025.12.2 中的 sof-cml.ri / sof-cml-rt5682.tplg 覆盖到系统目录。"
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echo
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echo "下一步：请手动执行 reboot，然后重启回来后用以下命令确认新固件版本："
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echo " journalctl -k -b | grep -nE 'Firmware file:|Topology file:|Firmware info: version'"
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echo
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echo "如需回滚，可将备份文件拷回原路径后再次执行 update-initramfs -u。"
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