zhcHoward/Kmap Star27 Code Issues Pull requests A simple function to simplify boolean algebra expressions, inspired by Karnaugh Map. algebrakarnaugh-maptruth-table UpdatedJun 6, 2021 Python Truth table generator, (basic) proof builder, and more, built with Next.js and Ohm ...
(1) cr3 + Page Directory (10 MSB) = 指向 table_base (2) table_base + Page Table (10 中间位) = 指向 page_base (3) page_base + Offset = 物理地址 (获得页框) 由于Page Directory字段和Page Table段都是10位,因此其可寻址上限为 1024*1024 KB,Offset可寻址的范围最大为2^12(4096 字节)。...
其中PTE_IDENT_ATTR等常量定义在arch/x86/include/asm/pgtable_types.h中,如下: 1/*2* 初期标识映射的pte属性宏3*/4#ifdef CONFIG_X86_645#define__PAGE_KERNEL_IDENT_LARGE_EXEC __PAGE_KERNEL_LARGE_EXEC6#else7/*8* For PDE_IDENT_ATTR include USER bit. As the PDE and PTE protection9* bits a...