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X86 CPU access DRAM and PCI
2022-06-21 07:01:00 【csdn_ gddf102384398】
about x86 framework , There is the following address translation ：
Logical address / Virtual address →MMU→ Linear address → Memory domain address →DRAM Address or PCI Device memory address .
Memory domain =DRAM Domain +PCI Bus domain .
DDR It's double speed DRAM,DRAM And SRAM Very different .
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