REALVIEW环境下
在board_memories.c 中有语句:
asm(" nop");
编译后出现错误：
..\at91lib\boards\board_memories.c(699): warning: #223-D: function "asm" declared implicitly
.\RUN_IN_DDRAM\ReleaseDdram.axf: Error: L6218E: Undefined symbol asm (referred from board_memories.o).
问题在哪里？怎么设置？
