FUCKYOU

2026-07-28 21:11:10 +08:00
parent 537890df9e
commit 2774c10d0c
49 changed files with 4019 additions and 94 deletions
@@ -31,9 +31,15 @@ echo "[build] Linux source: $LINUX_SRC"
 # 1. Clone Linux 6.6 LTS if not present
 if [ ! -d "$LINUX_SRC" ]; then
    echo "[build] Cloning Linux 6.6 LTS..."
+    # 优先 kernel.org，失败则 fallback 清华镜像
    git clone --depth 1 --branch v6.6 \
        https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git \
-        "$LINUX_SRC"
+        "$LINUX_SRC" || {
+        echo "[build] kernel.org failed, trying TUNA mirror..."
+        git clone --depth 1 --branch v6.6 \
+            https://mirrors.tuna.tsinghua.edu.cn/git/linux.git \
+            "$LINUX_SRC"
+    }
 fi

 cd "$LINUX_SRC"
@@ -101,19 +107,32 @@ echo "[build] bzImage: $OUTPUT_DIR/linux-bzImage ($(du -h $OUTPUT_DIR/linux-bzIm
 # 6. Build initramfs if initramfs/ directory exists
 if [ -d "$INITRAMFS_DIR" ]; then
    echo "[build] Building initramfs..."
-    # Create a minimal initramfs with busybox or a simple init
    INITRAMFS_TMP="$SCRIPT_DIR/initramfs.tmp"
    rm -rf "$INITRAMFS_TMP"
-    mkdir -p "$INITRAMFS_TMP"
+    mkdir -p "$INITRAMFS_TMP/bin"

-    # Copy initramfs contents
+    # Copy initramfs contents (init + bin/)
    cp -a "$INITRAMFS_DIR"/* "$INITRAMFS_TMP"/

-    # Build utsm_exec_daemon (static binary for initramfs)
+    # 6a. Static busybox（缓存于 CODE/linux/.cache/，只下载一次）
+    # busybox.net 官方预编译 x86_64 musl 静态二进制，含 sh/mount/uname 等 applet。
+    BUSYBOX_CACHE="$SCRIPT_DIR/.cache/busybox"
+    BUSYBOX_URL="https://busybox.net/downloads/binaries/1.35.0-x86_64-linux-musl/busybox"
+    if [ ! -x "$BUSYBOX_CACHE" ]; then
+        echo "[build] Downloading static busybox..."
+        mkdir -p "$(dirname "$BUSYBOX_CACHE")"
+        curl -fL --retry 3 -o "$BUSYBOX_CACHE" "$BUSYBOX_URL" || \
+            wget -O "$BUSYBOX_CACHE" "$BUSYBOX_URL"
+        chmod +x "$BUSYBOX_CACHE"
+    fi
+    cp "$BUSYBOX_CACHE" "$INITRAMFS_TMP/bin/busybox"
+    chmod +x "$INITRAMFS_TMP/bin/busybox"
+    echo "[build]   busybox: $(du -h "$INITRAMFS_TMP/bin/busybox" | cut -f1)"
+
+    # 6b. Build utsm_exec_daemon (static binary for initramfs)
    DAEMON_SRC="$INITRAMFS_DIR/bin/utsm_exec_daemon.c"
    if [ -f "$DAEMON_SRC" ]; then
        echo "[build] Compiling utsm_exec_daemon (static)..."
-        mkdir -p "$INITRAMFS_TMP/bin"
        cc -static -O2 -Wall -I"$PROJECT_ROOT/CODE/utsm-ipc" \
            -o "$INITRAMFS_TMP/bin/utsm_exec_daemon" "$DAEMON_SRC"
        strip "$INITRAMFS_TMP/bin/utsm_exec_daemon" 2>/dev/null || true
@@ -128,18 +147,62 @@ mount -t proc none /proc
 mount -t sysfs none /sys
 mount -t devtmpfs none /dev
 echo "[utsm-linux] Boot complete"
-echo "[utsm-linux] Console ready on /dev/hvc0 (virtio-console)"
 exec /bin/sh
 INITEOF
        chmod +x "$INITRAMFS_TMP/init"
    fi

-    # Pack initramfs
-    cd "$INITRAMFS_TMP"
-    find . | cpio -H newc -o | gzip -9 > "$OUTPUT_DIR/linux-initrd.img"
+    # 6c. 用内核自带 gen_init_cpio 打包（无需 root、无需 cpio 二进制）。
+    # spec 文件声明目录/设备节点/文件/符号链接；设备节点元数据直接写入
+    # cpio 归档，guest 内核 unpack 时即有 /dev/console 与 /dev/ttyS0。
+    GEN_INIT_CPIO="$LINUX_SRC/usr/gen_init_cpio"
+    if [ ! -x "$GEN_INIT_CPIO" ]; then
+        echo "[build] Building gen_init_cpio host tool..."
+        make usr/ >/dev/null
+    fi
+
+    SPEC="$SCRIPT_DIR/initramfs.tmp.spec"
+    {
+        echo "dir /bin 755 0 0"
+        echo "dir /dev 755 0 0"
+        echo "dir /proc 755 0 0"
+        echo "dir /sys 755 0 0"
+        # 控制台设备节点：kernel console=ttyS0 输出与 busybox sh 依赖
+        echo "nod /dev/console 600 0 0 c 5 1"
+        echo "nod /dev/null 666 0 0 c 1 3"
+        echo "nod /dev/ttyS0 600 0 0 c 4 64"
+        echo "file /init $INITRAMFS_TMP/init 755 0 0"
+        echo "file /bin/busybox $INITRAMFS_TMP/bin/busybox 755 0 0"
+        if [ -f "$INITRAMFS_TMP/bin/utsm_exec_daemon" ]; then
+            echo "file /bin/utsm_exec_daemon $INITRAMFS_TMP/bin/utsm_exec_daemon 755 0 0"
+        fi
+        # busybox applet 符号链接（init 脚本与调试命令依赖）
+        for app in sh mount umount echo sleep uname ls cat ps setsid cttyhack; do
+            echo "slink /bin/$app /bin/busybox 777 0 0"
+        done
+    } > "$SPEC"
+
+    "$GEN_INIT_CPIO" "$SPEC" | gzip -9 > "$OUTPUT_DIR/linux-initrd.img"
    echo "[build] initrd: $OUTPUT_DIR/linux-initrd.img ($(du -h $OUTPUT_DIR/linux-initrd.img | cut -f1))"
+    rm -rf "$INITRAMFS_TMP" "$SPEC"
    cd "$LINUX_SRC"
 fi

 echo "[build] Done. Copy linux-bzImage (and linux-initrd.img) to your FAT32 image."
 echo "[build] Limine will load them as boot modules for UTSM."
+
+# 7. Enable Linux modules in limine.conf (uncomment the 4 commented lines)
+LIMINE_CONF="$PROJECT_ROOT/SYSTEM/limine/limine.conf"
+if [ -f "$LIMINE_CONF" ]; then
+    if grep -q "^    # module_path: boot():/boot/linux-bzImage" "$LIMINE_CONF"; then
+        echo "[build] Enabling Linux modules in limine.conf..."
+        sed -i 's|^    # module_path: boot():/boot/linux-bzImage|    module_path: boot():/boot/linux-bzImage|' "$LIMINE_CONF"
+        sed -i 's|^    # module_cmdline: linux:bzImage|    module_cmdline: linux:bzImage|' "$LIMINE_CONF"
+        sed -i 's|^    # module_path: boot():/boot/linux-initrd.img|    module_path: boot():/boot/linux-initrd.img|' "$LIMINE_CONF"
+        sed -i 's|^    # module_cmdline: linux:initrd|    module_cmdline: linux:initrd|' "$LIMINE_CONF"
+        echo "[build]   Linux modules enabled in $LIMINE_CONF"
+        echo "[build]   Run build.bat to rebuild the disk image with Linux modules"
+    else
+        echo "[build] limine.conf already has Linux modules enabled (or pattern changed)"
+    fi
+fi
@@ -0,0 +1,117 @@
+#!/bin/bash
+#
+# check_env.sh — Linux 内核构建环境依赖检查脚本
+#
+# 用途: 在 WSL/Linux 中运行，验证构建 Linux 6.6 LTS bzImage 所需依赖
+#
+# 使用:
+#   ! wsl bash /mnt/d/Code/Deshab/CODE/linux/check_env.sh
+#
+# 退出码:
+#   0 = 所有依赖已满足
+#   1 = 缺少依赖（脚本会打印安装命令）
+
+set -e
+
+echo "[check] Linux 内核构建环境检查"
+echo "[check] ==========================="
+
+# 1. 检查操作系统
+if [ -f /etc/os-release ]; then
+    . /etc/os-release
+    echo "[check] OS: $NAME $VERSION"
+    if [ "$ID" != "ubuntu" ] && [ "$ID_LIKE" != "debian" ]; then
+        echo "[check] WARNING: 非 Ubuntu/Debian，依赖名可能不同"
+    fi
+else
+    echo "[check] WARNING: 无法识别操作系统"
+fi
+
+# 2. 检查必要包
+echo "[check]"
+echo "[check] 检查构建依赖..."
+MISSING=()
+for pkg in build-essential bc flex bison libelf-dev libssl-dev cpio gzip git; do
+    if dpkg -s "$pkg" >/dev/null 2>&1; then
+        echo "[check]   ✓ $pkg"
+    else
+        echo "[check]   ✗ $pkg (缺失)"
+        MISSING+=("$pkg")
+    fi
+done
+
+# 3. 检查 gcc 版本
+echo "[check]"
+echo "[check] 工具链版本:"
+if command -v gcc >/dev/null 2>&1; then
+    GCC_VER=$(gcc -dumpversion)
+    echo "[check]   gcc: $GCC_VER"
+    if [ "$(printf '%s\n' "11" "$GCC_VER" | sort -V | head -n1)" != "11" ]; then
+        echo "[check]   WARNING: gcc 版本 < 11，Linux 6.6 可能需要 gcc 11+"
+    fi
+else
+    echo "[check]   ✗ gcc 未安装"
+    MISSING+=("gcc")
+fi
+
+if command -v make >/dev/null 2>&1; then
+    echo "[check]   make: $(make --version | head -1 | awk '{print $3}')"
+fi
+
+# 4. 检查磁盘空间（需要 ~3GB）
+echo "[check]"
+PROJECT_ROOT="/mnt/d/Code/Deshab"
+if [ -d "$PROJECT_ROOT" ]; then
+    AVAILABLE_KB=$(df "$PROJECT_ROOT" | awk 'NR==2 {print $4}')
+    AVAILABLE_GB=$((AVAILABLE_KB / 1024 / 1024))
+    echo "[check] 磁盘空间: ${AVAILABLE_GB}GB 可用 ($PROJECT_ROOT)"
+    if [ "$AVAILABLE_GB" -lt 3 ]; then
+        echo "[check]   ✗ 磁盘空间不足 3GB"
+        MISSING+=("disk_space")
+    else
+        echo "[check]   ✓ 磁盘空间充足"
+    fi
+fi
+
+# 5. 检查访问 Windows D: 盘
+echo "[check]"
+if [ -d "/mnt/d/Code/Deshab" ]; then
+    echo "[check] ✓ WSL 可访问 /mnt/d/Code/Deshab"
+else
+    echo "[check] ✗ WSL 无法访问 /mnt/d/Code/Deshab"
+    echo "[check]   请确认在 WSL 中执行，且 D: 盘已挂载"
+    MISSING+=("wsl_mount")
+fi
+
+# 6. 检查 git 网络（克隆 Linux 6.6 需要）
+echo "[check]"
+echo "[check] 测试 Git 网络连通..."
+if timeout 10 git ls-remote https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git v6.6 >/dev/null 2>&1; then
+    echo "[check]   ✓ kernel.org 可达"
+else
+    echo "[check]   ✗ kernel.org 不可达，尝试清华镜像..."
+    if timeout 10 git ls-remote https://mirrors.tuna.tsinghua.edu.cn/git/linux.git v6.6 >/dev/null 2>&1; then
+        echo "[check]   ✓ 清华镜像可达（build.sh 会自动使用）"
+    else
+        echo "[check]   ✗ 两个源都不可达，请检查网络/代理"
+        MISSING+=("network")
+    fi
+fi
+
+# 7. 总结
+echo "[check]"
+echo "[check] ==========================="
+if [ ${#MISSING[@]} -gt 0 ]; then
+    echo "[check] 缺失: ${MISSING[*]}"
+    echo "[check]"
+    echo "[check] 请运行以下命令安装依赖:"
+    echo "[check]   sudo apt update"
+    echo "[check]   sudo apt install -y build-essential bc flex bison libelf-dev libssl-dev cpio gzip git"
+    exit 1
+fi
+
+echo "[check] ✓ 所有依赖已满足，可以构建 Linux 内核"
+echo "[check]"
+echo "[check] 下一步执行:"
+echo "[check]   cd /mnt/d/Code/Deshab/CODE/linux && chmod +x build.sh && ./build.sh"
+exit 0
@@ -0,0 +1,16 @@
+#!/bin/bash
+# Fix UTSM driver entries in Linux source tree
+SRC="${1:-/tmp/linux-6.6}"
+
+# Fix Kconfig: remove broken line, add correct one
+sed -i '/utsm/d' "$SRC/drivers/Kconfig"
+echo 'source "drivers/utsm/Kconfig"' >> "$SRC/drivers/Kconfig"
+
+# Fix Makefile: remove broken line, add correct one
+sed -i '/utsm/d' "$SRC/drivers/Makefile"
+echo 'obj-$(CONFIG_UTSM_HCALL) += utsm/' >> "$SRC/drivers/Makefile"
+
+echo "Fixed UTSM driver entries"
+tail -2 "$SRC/drivers/Kconfig"
+echo "---"
+tail -2 "$SRC/drivers/Makefile"
@@ -33,10 +33,19 @@ fi
 # Start the exec daemon in the background.
 # The daemon sends EXEC_READY then HLTs (parks the guest).
 # UTSM's linux_launch() returns after this first HLT.
-echo "[utsm-linux] starting utsm_exec_daemon..."
-/bin/utsm_exec_daemon &
-DAEMON_PID=$!
-echo "[utsm-linux] daemon PID=$DAEMON_PID"
+if [ -x /bin/utsm_exec_daemon ]; then
+    echo "[utsm-linux] starting utsm_exec_daemon..."
+    /bin/utsm_exec_daemon &
+    DAEMON_PID=$!
+    echo "[utsm-linux] daemon PID=$DAEMON_PID"
+else
+    # 无 daemon（第一阶段 bring-up 冒烟测试构建）：
+    # 直接在 ttyS0 上起交互 shell，验证 console 输入输出。
+    # 注意：此模式下 guest 不会 park，UTSM linux_launch() 不返回，
+    # 仅用于验证"Linux guest 进入 shell 提示符、可执行 uname -a"。
+    echo "[utsm-linux] WARNING: no daemon, starting interactive debug shell on ttyS0"
+    exec /bin/setsid /bin/cttyhack /bin/sh
+fi

 # init must not exit — sleep forever to keep the kernel happy.
 # The daemon handles all UTSM exec requests; init just keeps the