How to write or read a few million byte from P port to U port?

Hi,i am doing a projec to use the GPIF II interface as the master to write and read from a SRAM.I have tested that i can write and read successfully use a few byte,but i want to know how can i to write and read a few million byte.Iwant to know how to set the DMA and others which is related with my aims.And the GPIF II project whether should be changed for this.

Thanks.

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