arm-none-eabi-gcc 编译 arm926ej-s 代码
arm-none-eabi-gcc -c -mcpu=arm926ej-s -g test.c -o test.o
arm-none-eabi-as -mcpu=arm926ej-s -g startup.s -o startup.o
arm-none-eabi-ld -T test.ld test.o startup.o -o test.elf
arm-none-eabi-objcopy -O binary test.elf test.bin
arm-none-eabi-gcc ./main.c -mcpu=arm926ej-s -march=armv5tej -marm -mthumb -specs=nosys.specs
https://zhuanlan.zhihu.com/p/631626406
https://blog.csdn.net/chshch83/article/details/131932972
https://blog.csdn.net/ybhuangfugui/article/details/98136988
https://www.microchip.com/en-us/product/AT91SAM9260#Tools%20And%20Software
接下来就是激动人心的编译步骤了~编译的时候有两种文件,一种是汇编启动文件,一种是c源文件,接下来分别编译:
| 参数 | 说明 |
|---|---|
| -mthumb | 表明使用的指令集(必需) |
| -mcpu=cortex-m3 | 表明芯片内核(必需) |
| -g | 产生调试信息 |

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