释义 |
SPT 系统页表 The data structure that maps the system region virtual addresses, including the addresses used to refer to the process page tables. The system page table (SPT) contains one page table entry (PTE) for each page of system region virtual memory. The physical base address of the SPT is contained in a register called the system base register (SBR). 映象系统区的虚拟地址的一种数据结构,其中包括用以指出进程页表的地址。系统页表(SPT)含有关于每一个系统区虚拟存 储器每一页的一个页表项(PTE)。SPT的物理基地址存放在一个称为系统基址寄存器(SBR)的寄存器中。System Page Table的缩写。 |