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NK-980IOT之基于MDK仿真ini初始化

发布于 2022-03-13 13:58:44 浏览：902 订阅该版

[tocm]

# 基于MDK仿真之ini初始化
![image.png](https://oss-club.rt-thread.org/uploads/20220313/ba774a08893ad1715e870bacc87fe879.png.webp)
![image.png](https://oss-club.rt-thread.org/uploads/20220313/46fa934f75bf7ff64f9ebc059280134e.png.webp)

点击Edit
```c
E INT 0xB0000264 = 0xC0000018
E INT 0xB0000220 = 0x01000018
E INT 0xB0002028 = 0x53DCD84A
E INT 0xB0002008 = 0x00008014
E INT 0xB0002000 = 0x0003047E
E INT 0xB0002004 = 0x00000021
E INT 0xB0002004 = 0x00000023
E INT 0xB0002004 = 0x00000027
E INT 0xB0002020 = 0x00000000
E INT 0xB0002024 = 0x00000000
E INT 0xB000201C = 0x00004000
E INT 0xB0002018 = 0x00000332
E INT 0xB0002010 = 0x00000006
E INT 0xB0002004 = 0x00000027
E INT 0xB0002004 = 0x0000002B
E INT 0xB0002004 = 0x0000002B
E INT 0xB0002004 = 0x0000002B
E INT 0xB0002018 = 0x00000232
E INT 0xB000201C = 0x00004781
E INT 0xB000201C = 0x00004401
E INT 0xB0002004 = 0x00000020
E INT 0xB0002034 = 0x00888828
LOAD %L INCREMENTAL
$ = 0x00000000
```
进入调试环境前调试器会根据ini文件进行相应的配置,可以在帮助文档搜索相关关键字查看语法。
![image.png](https://oss-club.rt-thread.org/uploads/20220313/64f8fd7bd076c0e51a17606c63cc2f0b.png.webp)
其中LOAD表示加载程序,语法为
`LOAD path\filename [options] [offset]`
`%L` 表示当前链接器的输出文件
`INCREMENTAL`表示不覆盖添加新的调试信息
`Offset`默认为`0`。
因为链接脚本设置的加载地址是`0x00000000 0x800000`
```c
LR_IROM1 0x00000000 0x800000      {    ; load region size_region
    ER_IROM1 0x00000000 0x800000  {  ; load address = execution address
        *.o (RESET, +First)
        *(InRoot$$Sections)
        .ANY (+RO)
    }
    RW_RAM1 +0  {  ; RW_RAM1 start address is after ER_ROM1
        .ANY (+RW +ZI)
    }
}
```
则这一句话就是将程序加载到0x00000000的地方。
![image.png](https://oss-club.rt-thread.org/uploads/20220313/9925d8a0283e549598e5fb9557cd2d05.png.webp)
`$`表示PC寄存器,`$ = 0x00000000`
即表示强制将PC寄存器值设置为0,即跳到刚才加载的程序的地方运行。

`E INT xx=yy`
表示设置xx地址处的值为yy,类型为int型
![image.png](https://oss-club.rt-thread.org/uploads/20220313/50e8d23ed41e170851f81771e0ceca02.png.webp)
0xB0000220寄存器设置为0x01000018如下
![image.png](https://oss-club.rt-thread.org/uploads/20220313/ecfc949e575234f382a67e3fce389e14.png.webp)
![image.png](https://oss-club.rt-thread.org/uploads/20220313/7b9b652cfff79775310f36987cd1e561.png.webp)
这里感觉对不上,因为bit[31:17]都是保留位,值不能设置为0x01000018.

0xB0000264寄存器设置为0xC0000018如下
![image.png](https://oss-club.rt-thread.org/uploads/20220313/54f444616315e8d3cc9095694830498f.png.webp)
![image.png](https://oss-club.rt-thread.org/uploads/20220313/6358c1dd337f61468bc5af8cd62af772.png.webp)
![image.png](https://oss-club.rt-thread.org/uploads/20220313/ed78da8af53851cd1408261a07ae26a9.png.webp)
0xB0002xxx是SDIC相关的寄存器
![image.png](https://oss-club.rt-thread.org/uploads/20220313/889ddd3df1d74a57391e8067ce632fb5.png.webp)
![image.png](https://oss-club.rt-thread.org/uploads/20220313/76bbac0082baf52332997d56077ba5dd.png.webp)