guowenxue
2026-07-13 f7e4847e7574dd4ad8db7a8f40320c392b5b4523
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
#!/bin/bash
 
# bitbake target
BB_TARGET=yocto-image-full
 
# this project absolute path
PRJ_PATH=$(cd $(dirname "${BASH_SOURCE[0]}") && pwd)
 
# top project absolute path
TOP_PATH=$PRJ_PATH/..
 
# prefix install path
PRFX_PATH=$PRJ_PATH/install
 
# final install path
#INST_PATH=/srv/ftp/
 
# compress system image or not
COMPRESS=yes
 
# config file path
CONF_FILE=$TOP_PATH/config.json
 
# Download path (若取消注释,会自动修改 local.conf 中的 DL_DIR)
#DL_PATH="/srv/yocto/"
 
# shell script will exit once get command error
set -e
 
#+-------------------------+
#| Shell script functions  |
#+-------------------------+
 
function pr_error() {
    echo -e "\033[40;31m $1 \033[0m"
}
 
function pr_warn() {
    echo -e "\033[40;33m $1 \033[0m"
}
 
function pr_info() {
    echo -e "\033[40;32m $1 \033[0m"
}
 
# parser configure file and export environment variable
function export_env()
{
    export BOARD=$(jq -r ".bsp.board" "$CONF_FILE" | tr 'A-Z' 'a-z')
    export BSP_VER=$(jq -r ".bsp.version" "$CONF_FILE" | tr 'A-Z' 'a-z')
    export YCT_VER=$(jq -r ".system.version" "$CONF_FILE" | tr 'A-Z' 'a-z')
 
    export YCT_BOARD=$(echo "$BOARD" | cut -d- -f1)
 
    # 外部实际存放不同版本 Layer 的根目录:meta-igkboard
    export YCT_META_BASE=meta-$YCT_BOARD
 
    # 当前编译版本对应的真实 Layer 源路径:meta-igkboard/wrynose
    export YCT_META_SRC_DIR=$PRJ_PATH/$YCT_META_BASE/$YCT_VER
 
    export YCT_SRC=$YCT_VER-$BSP_VER
    export YCT_PATH=$PRJ_PATH/$YCT_SRC
 
    # Yocto sources 下期望的实际 Layer 名字:sources/meta-igkboard
    export YCT_META_TARGET=$YCT_PATH/sources/$YCT_META_BASE
}
 
function do_fetch()
{
    cd "$PRJ_PATH"
 
    # 1. 检查外部的实际版本 Layer 目录是否存在 (如 meta-igkboard/wrynose)
    if [ ! -d "$YCT_META_SRC_DIR" ] ; then
        pr_error "Local meta layer directory $YCT_META_SRC_DIR does not exist!"
        return 1
    fi
 
    # 2. 拉取 Yocto 源码 (若 sources/base 目录不存在则执行拉取)
    if [ ! -d "$YCT_PATH/sources/base" ] ; then
        pr_info "start repo fetch Yocto $YCT_VER source code"
 
        mkdir -p "$YCT_PATH" && cd "$YCT_PATH"
 
        if ! command -v repo > /dev/null 2>&1 ; then
            curl https://storage.googleapis.com/git-repo-downloads/repo > repo
            chmod a+x repo
            export PATH=$YCT_PATH:$PATH
        fi
 
        local REPO_BSP_VER=$(echo "$BSP_VER" | sed 's/lf/imx/')
        repo init -u https://github.com/nxp-imx/imx-manifest -b imx-linux-$YCT_VER -m "${REPO_BSP_VER}.xml"
        repo sync && rm -f repo
    else
        pr_warn "Yocto $YCT_VER source code fetched already"
    fi
}
 
# 处理本地 BSP 补丁拷贝及修复 Yocto QA 状态检查
function do_patch()
{
    local PATCH_BSP_VER=$(echo "$BSP_VER" | sed 's/imx/lf/')
 
    local UBOOT_PATCH="$YCT_META_SRC_DIR/recipes-bsp/u-boot/files/uboot-imx-${PATCH_BSP_VER}.patch"
    local KERNEL_PATCH="$YCT_META_SRC_DIR/recipes-kernel/linux/files/linux-imx-${PATCH_BSP_VER}.patch"
 
    # 1. 创建 mete-igkboard 符号链接
    if [ ! -L "$YCT_META_TARGET" ]; then
        pr_info "Create symlink: $YCT_META_TARGET -> $YCT_META_SRC_DIR"
        ln -sfn "$YCT_META_SRC_DIR" "$YCT_META_TARGET"
    fi
 
    # 2. 只有当目标补丁文件不存在时,才进行拷贝和注入
    if [ ! -f "$UBOOT_PATCH" ] || [ ! -f "$KERNEL_PATCH" ] ; then
        pr_warn "Copy u-boot and linux patches..."
 
        # 确保补丁存放的目标子目录存在
        mkdir -p "$YCT_META_SRC_DIR/recipes-bsp/u-boot/files"
        mkdir -p "$YCT_META_SRC_DIR/recipes-kernel/linux/files"
 
        # 拷贝补丁与配置文件
        cp "$TOP_PATH/bootloader/patches/${BOARD}/uboot-imx-${PATCH_BSP_VER}.patch" "$YCT_META_SRC_DIR/recipes-bsp/u-boot/files/"
        cp "$TOP_PATH/kernel/patches/${BOARD}/linux-imx-${PATCH_BSP_VER}.patch" "$YCT_META_SRC_DIR/recipes-kernel/linux/files/"
        cp "$TOP_PATH/images/patches/config-"*.txt "$YCT_META_SRC_DIR/recipes-bsp/u-boot/files/"
 
        # 使用 sed 动态注入 Upstream-Status 标签来绕过 Yocto QA 检查
        pr_info "Injecting Upstream-Status into patches..."
 
        if [ -f "$UBOOT_PATCH" ]; then
            sed -i '1i Upstream-Status: Inappropriate [In-house SDK]\n' "$UBOOT_PATCH"
        fi
 
        if [ -f "$KERNEL_PATCH" ]; then
            sed -i '1i Upstream-Status: Inappropriate [In-house SDK]\n' "$KERNEL_PATCH"
        fi
    fi
}
 
function do_build()
{
    cd "$YCT_PATH"
 
    # 1. 初始化 Yocto 编译环境
    if [ ! -f "${BOARD}/conf/local.conf" ] ; then
        pr_info "source imx-setup-release.sh -b ${BOARD}"
        EULA=1 DISTRO=fsl-imx-xwayland MACHINE=${BOARD} source imx-setup-release.sh -b ${BOARD}
    else
        pr_info "source setup-environment $BOARD"
        source setup-environment "$BOARD"
    fi
 
    # 2. 添加自定义的本地 meta layer 到 bblayers.conf
    if ! bitbake-layers show-layers | grep -q "$YCT_META_BASE" ; then
        pr_info "Adding custom layer $YCT_META_BASE to bblayers.conf..."
        bitbake-layers add-layer "$YCT_PATH/sources/$YCT_META_BASE"
    fi
 
    # 3. 只有当 DL_PATH 被定义且不为空时,才用 sed 替换 local.conf
    if [[ -n "${DL_PATH}" ]] ; then
        sed -i "s|^#DL_DIR.*|DL_DIR ?= \"$DL_PATH/$YCT_VER\"|g" conf/local.conf
        sed -i "s|^DL_DIR.*|DL_DIR ?= \"$DL_PATH/$YCT_VER\"|g" conf/local.conf
    fi
 
    # 4. 执行编译
    bitbake "$BB_TARGET"
}
 
function do_install()
{
    local IMAGE_NAME=yocto-${YCT_VER}-${BOARD}.img
    local ROOTFS_TAR=rootfs-yocto-${YCT_VER}.tar.zst
 
    cd "$YCT_PATH"
 
    echo ""
    pr_info "Yocto($YCT_VER) installed to '$PRFX_PATH'"
    mkdir -p "${PRFX_PATH}"
 
    WIC_FILE=$(find "$YCT_PATH/$BOARD/tmp/deploy/images/$BOARD" -maxdepth 1 -type l \
    \( \
        -name "$BB_TARGET-$BOARD.rootfs.wic" -o -name "$BB_TARGET-$BOARD.wic" \
    \) | head -n 1)
    echo $WIC_FILE
 
    ROOTFS_FILE=$(find "$YCT_PATH/$BOARD/tmp/deploy/images/$BOARD" \
    -maxdepth 1 -type l \
    \( \
        -name "$BB_TARGET-$BOARD.rootfs.tar.zst" -o \
        -name "$BB_TARGET-$BOARD.tar.zst" \
    \) | head -n 1)
    echo $ROOTFS_FILE
 
    cp "$WIC_FILE" "${PRFX_PATH}/$IMAGE_NAME"
    cp "$ROOTFS_FILE" "${PRFX_PATH}/$ROOTFS_NAME"
 
    if [[ $BOARD =~ mx6ull ]] ; then
        cp "$YCT_PATH/$BOARD/tmp/deploy/images/$BOARD/u-boot-${BOARD}.imx" "${PRFX_PATH}/u-boot-${BOARD}.imx"
    else
        cp "$YCT_PATH/$BOARD/tmp/deploy/images/$BOARD/imx-boot" "${PRFX_PATH}/u-boot-${BOARD}.imx"
    fi
 
    cd "${PRFX_PATH}/"
 
    if [[ $(echo "$COMPRESS" | tr 'A-Z' 'a-z') == "yes" ]] ; then
        pr_info "Start bzip2 compress $IMAGE_NAME"
        rm -f "$IMAGE_NAME.bz2"
        bzip2 "$IMAGE_NAME"
    fi
    chmod a+x "u-boot-${BOARD}.imx"
 
    ls && echo ""
 
    if [ -n "$INST_PATH" ] && [ -w "$INST_PATH" ] ; then
        pr_info "Start copy Yocto system images to $INST_PATH"
        cp "u-boot-${BOARD}.imx" "$INST_PATH"
        cp $IMAGE_NAME* "$INST_PATH"
        cp "$ROOTFS_TAR"         "$INST_PATH"
 
        ls "${INST_PATH}" && echo ""
    fi
}
 
function do_clean()
{
    cd "$PRJ_PATH"
    rm -rf "$PRFX_PATH"
}
 
#+-------------------------+
#| Shell script body entry |
#+-------------------------+
 
export_env
 
if [[ $# == 1 && $1 == -c ]] ;then
    pr_warn "start clean Yocto source code"
    do_clean
    exit 0
fi
 
pr_warn "start build Yocto $YCT_VER for ${BOARD}"
 
do_fetch
 
do_patch
 
do_build
 
do_install