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C6678的DDR内存映射问题



从6678的文档中看到DDR的地址空间从0x80000000开始到0xffffffff的2GB,那么是不是对于6678的8个core,每个core要访问DDR都是这个地址空间,DDR对于每个core的地址空间映射都是一样的吧?

但是从SYS/BIOS Inter-Processor Communication (IPC) and IO User’s Guide.pdf文档中的3.8 节SharedRegion Module中的图示中看到,proc0和proc1访问共享区域DDR2,怎么对proc0映射的地址时0x80000000,而对于proc1映射的地址时0x90000000呢?

 

SYS BIOS Inter-Processor Communication (IPC) and IO User’s Guide.pdf