diff --git a/run.md b/run.md deleted file mode 100644 index 58bba27..0000000 --- a/run.md +++ /dev/null @@ -1,308 +0,0 @@ -# LiteOS - -# 一、环境安装 - -### 1. 安装docker环境 - -[docker加载镜像下载] - -链接: https://pan.baidu.com/s/1GVossI98riHL2xEzo7HmMQ?pwd=we75 提取码: we75 - -```console -$ cd docker_package -$ sudo dpkg -i containerd.io_1.5.11-1_amd64.deb -$ sudo dpkg -i docker-ce-cli_20.10.14_3-0_ubuntu-focal_amd64.deb -$ sudo dpkg -i docker-ce_20.10.14_3-0_ubuntu-focal_amd64.deb -``` - -docker加载liteos-env镜像 - -```console -$ cd docker_images -$ sudo docker load -i openharmony-v31.tar -``` - -### 2. 下载源代码 - -[LiteOS v3.1](https://gitee.com/link?target=https%3A%2F%2Frepo.huaweicloud.com%2Fharmonyos%2Fos%2F3.1-Release%2Fcode-v3.1-Release.tar.gz) - -### 3. 将用户添加到docker用户组 - -```console -$ sudo groupadd docker -$ sudo gpasswd -a $USER docker -$ newgrp docker -$ ./run_docker.sh -``` - -### 4.编译liteos-a内核和应用 - -编译 hb set 使用上下方向键盘选择"qemu_small_system_demo" -hb build编译 - -```console -root@62deba27a240:/home/openharmony# hb set -root@62deba27a240:/home/openharmony# hb build -f -``` - -运行 - -```console -root@62deba27a240:/home/openharmony# ./qemu-run -f -``` - -等待内核在qemu下加载完成，回车，进入OHOS shell -如果无法进入，请检查out目录下是否存在smallmmc.img，不存在请复制smallmmc.img到out目录下 -并重新编译执行 - - -```console -root@62deba27a240:/home/openharmony# ./qemu-run -f -Redo making flash.img... - -Start making flash.img... -1+0 records in -1+0 records out -67108864 bytes (67 MB, 64 MiB) copied, 0.498911 s, 135 MB/s -2191+1 records in -2191+1 records out -1122100 bytes (1.1 MB, 1.1 MiB) copied, 0.0123126 s, 91.1 MB/s -0+1 records in -0+1 records out -89 bytes copied, 0.000333672 s, 267 kB/s -9818+1 records in -9818+1 records out -5027048 bytes (5.0 MB, 4.8 MiB) copied, 0.0291576 s, 172 MB/s -63+1 records in -63+1 records out -32492 bytes (32 kB, 32 KiB) copied, 0.000204982 s, 159 MB/s -Success making flash.img... - -Enter to start qemu[y/n]:Waiting VNC connection on: 5920 ...(Ctrl-C exit) - -******************Welcome****************** - -Processor : Cortex-A7 -Run Mode : UP -GIC Rev : GICv2 -build time : Nov 15 2022 11:40:20 -Kernel : Huawei LiteOS 2.0.0.37/debug - -******************************************* - -main core booting up... -cpu 0 entering scheduler -mem dev init ... -DevMmzRegister... -Date:Nov 15 2022. -Time:11:40:19. -net init ... -[ERR]virtio-mmio ID=1 device not found -[ERR]add virtio-mmio net device failed - -************************************************************ -DeviceManagerStart start ... -[CfiFlashInit]CFI flash init start ... -[CfiFlashInit]CFI flash init end ... -[CfiFlashInit]CFI flash init start ... -DeviceManagerStart end ... -OsMountRootfs start ... -OsMountRootfs end ... -virtual_serial_init start ... -virtual_serial_init end ... -system_console_init start ... -system_console_init end ... -OsUserInitProcess start ... -OsUserInitProcess end ... -[ERR]Failed to find block driver /dev/mmcblk0 -[ERR]Failed to find block driver /dev/mmcblk1 -hilog ringbuffer full, drop 19 line(s) log -hilog ringbuffer full, drop 7 line(s) log -hilog ringbuffer full, drop 2 line(s) log -Set log level : 3 -Default log level: 3 -[ERR]Unsupported API tcgetpgrp -01-01 00:00:00.081 2 4 D 02500/devmgr_service: DevmgrServiceUpdateStatus host:storage_host 2 device:HDF_PLATFORM_CFI_0 0 status:1 -............... -01-01 00:00:26.001 7 29 I 01800/Samgr: Goto next boot step return code:-9 -01-01 00:00:26.002 7 14 I 00000/(null): [appspawn] HOS_SystemInit is called! -01-01 00:00:26.003 7 14 I 00000/(null): [appspawn] main, entering wait. -``` - -回车之后进入OHOS shell - -```console -OHOS:/$ cd bin -OHOS:/bin$ -``` - -测试结束 - -Ctrl-A + x 退出Qemu模拟环境 - - - -# 二、命令行调试liteOS - -### 1、安装`gdb-multiarch`工具包(docker 容器中安装)： - -```shell -$ apt install gdb-multiarch -``` - -### 2、修改`debug.config`文件 - -```shell -$ cd ./vendor/ohemu/qemu_small_system_demo/kernel_configs -$ vim debug.config -``` - -将 `LOSCFG_CC_STACKPROTECTOR_ALL=y` 修改为: - -```shell -# LOSCFG_CC_STACKPROTECTOR_ALL is not set -LOSCFG_COMPILE_DEBUG=y -``` - -### 3、重新编译项目 - -保存并退出，在OHOS根目录重新编译: - -```shell -$ hb build -f -``` - -### 4、debug LiteOS - -在一个窗口中输入命令： - -```shell -$ ./qemu-run -g -``` - -在另一个窗口中输入命令： - -```shell -$ docker exec -it ohos /bin/bash -$ gdb-multiarch out/arm_virt/qemu_small_system_demo/OHOS_Image -(gdb) target remote localhost:1234 -(gdb) b main -Breakpoint 1 at 0x4005110c: file ../../../kernel/liteos_a/kernel/common/main.c, line 36. -(gdb) c -Continuing. - -Breakpoint 1, main () at ../../../kernel/liteos_a/kernel/common/main.c:36 -36 { -(gdb) l -31 -32 #include "los_config.h" -33 #include "los_sched_pri.h" -34 -35 LITE_OS_SEC_TEXT_INIT INT32 main(VOID) -36 { -37 UINT32 ret = OsMain(); -38 if (ret != LOS_OK) { -39 return (INT32)LOS_NOK; -40 } -(gdb) q -``` - -* gdb 调试常用代码 - - 1、 b (break) :设置断点 - - 2、 r (run): 运行程序 - - 3、 bt (backtrace): 显示程序栈 - - 4、 Print : 打印变量 - - 5、 c (continue): 继续运行程序，直到下一个断点停止 - - 6、 n (next) : 单步运行程序，不进入函数 - - 7、 l (list) : 查看当前代码（显示当前后10行） - - 8、 edit (+function): 查看函数代码 - - 9、 S (step) : 进入函数执行代码 - - 10、 Q(Quit)：退出gdb - - 11、 Info b : 查看断点信息 - - - -# 三、VSCode调试liteOS - -### 1、安装VScode - -```shel -$ sudo apt install code -``` - -### 2、安装VScode 插件 - -![截图 2023-06-02 13-03-44](fig/截图 2023-06-02 13-03-44.png) - -### 3、连接docker - -选择CONTAINERS目录下openharmony:v3.1...，右键选择附加VScode - -![截图 2023-06-02 13-07-32](fig/截图 2023-06-02 13-07-32.png) - -### 4、给docker安装VScode插件 - -* 注意插件一定要安装在docker容器中 - -![截图 2023-06-02 13-14-19](fig/截图 2023-06-02 13-14-19.png) - -### 5、配置launch.json文件 - -```json -{ - "version": "0.2.0", - "configurations": [ - { - "name": "debug liteOS", - "type": "cppdbg", - "request": "launch", - "program": "${workspaceFolder}/out/arm_virt/qemu_small_system_demo/OHOS_Image", - "args": [], - "stopAtEntry": true, - "cwd": "${workspaceFolder}", - "miDebuggerServerAddress": "localhost:1234", - "miDebuggerPath": "/usr/bin/gdb-multiarch", - "environment": [], - "externalConsole": false, - "MIMode": "gdb", - "setupCommands": [ - { - "description": "pretty printing", - "text": "-enable-pretty-printing", - "ignoreFailures": true - } - ], - "logging": { - "engineLogging": true, - "programOutput": true, - }, - } - ] -} -``` - -### 6、新建终端 - -运行 - -```shell -./qemu-run -g -``` - -### 7、vscode debug - -点击debug - - -