解析 一种是逻辑地址( Logical Address):允许在程序中编排的地址。一种是物理地址( Physical Address):信息在存健器 中实际存故的地址。 一种是逻辑地址( Logical Address):允许在程序中编排的地址。一种是物理地址( Physical Address):信息在存健器 中实际存故的地址。
由此个人认为PPHYSICAL_ADDRESS LogicalAddress 这种定义只是微软命名习惯上的差异,这里的LogicalAddress就是物理地址而并非传统意义上的逻辑地址。
DMA操作前需要分配物理地址连续的一个Buffer,AllocateCommonBuffer函数提供了这个功能,该函数原型如下: PVOID AllocateCommonBuffer( _In_ PDMA_ADAPTER DmaAdapter, _In_ ULONG Length, _Out_ PPHYSICAL_ADDRESS LogicalAddress, _In_ BOOLEAN CacheEnabled ); 第三个参数有点不是很能理解,PPHYSICAL_ADDRESS Logical...
_Out_ PPHYSICAL_ADDRESS LogicalAddress, _In_ BOOLEAN CacheEnabled ); 第三个参数有点不是很能理解,PPHYSICAL_ADDRESS LogicalAddress,至少从定义的变量名上看,微软似乎在暗示我:逻辑地址和物理地址是相同的这样一个事实。 虚拟地址到物理地址的转化方法是与体系结构相关的。有分段、分页两种方式。x86 cpu下分段...
4. The 12-bit offset field in the linear address is added 下面来源: Linear adress and physical address Linear address is generated after page table mapping. Physical addres is generated before page table mapping(ie paging). Linear Adress,created by adding logical address to the base of segment...
物理地址逻辑地址虚拟地址的概念(Physicaladdress,logical address,virtualaddress) I.concept Physicaladdress(physical,address) Usedformemorycellleveladdressing,correspondingtothe addressbusconnectedtotheprocessorandtheCPU. Thisconceptshouldbeoneofthebestunderstandingofthe ...
logical block address state table for the read-type command, wherein the condensed logical block address state table describes a logical to physical table and at least one of transmitting data and displaying data related to the read-type command found in the condensed logical block address state ...
逻辑地址(Logical Address) 是 指由程序产生的与段相关的偏移地址部分。例如,你在进行C语言指针编程中,可以读取指针 … blog.chinaunix.net|基于702个网页 2. 逻辑位址 逻辑位址(Logical Address)是指由程式产生的与段相关的偏移位址部分。在Intel保护模式下即是指程式执行代码段限长的偏移位 … ...
The library assigns each tape drive a unique address to indicate its physical and logical location. The library assigns each tape drive a unique address to indicate its physical location, which is shown in Figure 1. The physical numbering is bottom up on all drives. This information is shown ...
address of device B. Protocols like Microsoft NetBIOS require that each device broadcast its address so that the other devices may learn it. IP uses a process called the Address Resolution Protocol. In either case, the addresses are hardware addresses and can be used on the local physical ...