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最近在研究大神给我的一个程序,挺长的,如果不是单步调试估计是看不懂了,其实编译运行都是没问题的,然后注意编译的时候要加一个"-g"选项,保留调试信息,最好不要优化,即"-O0",运行时的命令行参数是:
./mkimage_imx8mm -fit -loader u-boot-spl-ddr.bin 0x7E1000 -out flash.bin
然后需要在调试时弹出来的launch.json配置文件中设置,主要注意两个地方,
第一个是指定运行程序的位置:"program": "${workspaceFolder}/iMX8MM/mkimage_imx8mm",
另一个要注意的地方带的参数之间每个空格都要用引号分隔开:"args": ["-fit","-loader","u-boot-spl-ddr.bin","0x7E1000","-out","flash.bin"]
其他基本保持默认就可以了。
完整的launch.json文件如下所示:
{
// Use IntelliSense to learn about possible attributes.
// Hover to view descriptions of existing attributes.
// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
"version": "0.2.0",
"configurations": [
{
"name": "(gdb) Launch",
"type": "cppdbg",
"request": "launch",
"program": "${workspaceFolder}/iMX8MM/mkimage_imx8mm",
"args": ["-fit","-loader","u-boot-spl-ddr.bin","0x7E1000","-out","flash.bin"],
"stopAtEntry": true,
"cwd": "${workspaceFolder}/iMX8MM/",
"environment": [],
"externalConsole": true,
"MIMode": "gdb",
"setupCommands": [
{
"description": "Enable pretty-printing for gdb",
"text": "-enable-pretty-printing",
"ignoreFailures": true
}
]
}
]
}