| FreeBSD4.0KernelHackingGuide--i386/i386/p | | 发布日期:2005-3-28 浏览:277次 | | 关键字: | pmap_bootstrap(),280行.进行pmapmodule的初始动作.被getmemsize呼叫. 设定globalvariable: avail_start可用而未用的physcialmem(physfree). virtual_avail virtual_end kernel_pmap 并保留virtualspace给pmap使用(不allocatephysicaladdr), CMAP1/CADDR1,CMAP2/CADDR2forzeroing©ingpages. ptmmap/ptvmmapforreadingarbitraryphysicalpages via/dev/mem. msgbufmap/msgbufptomapthesystemmessagebuffer.
| | 关键字: |
|