Linux operating system, PPC405EP processor Local BUS and DPRAM Dual Port RAM interface drivers and a detailed description, and the use of semaphore communication documentation, etc., is a typical interruption plus dual-port RAM communication examples, very practical .

dpram.c
DPRAM空间分配和数据交换流程.doc
PPC405EP开发板的Linux下驱动程序的中断和应用程序之间信号量通讯的说明v1.doc
ppc_dpram.c
信号的响应.pdf

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