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x86 CPU访问DRAM和PCI
2022-06-21 06:44:00 【csdn_gddf102384398】
对于x86架构,有如下的地址转换:
逻辑地址/虚拟地址→MMU→线性地址→存储器域地址→DRAM地址或PCI设备内存地址。
存储器域=DRAM域+PCI总线域。
DDR是双倍速率的DRAM,DRAM与SRAM又很不同。
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