Imbus/xv6-riscv-kernel
1
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

tiny clarifications to some gdt code.

Browse source
This commit is contained in:
Robert Morris 2016-08-10 10:51:14 -04:00
parent 0a4a4230a3
commit 858475e4df
3 changed files with 5 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

4
mmu.h
View file

@ -39,6 +39,7 @@
#define CR4_PSE 0x00000010 // Page size extension
// various segment selectors.
#define SEG_KCODE 1 // kernel code
#define SEG_KDATA 2 // kernel data+stack
#define SEG_KCPU 3 // kernel per-cpu data
@ -46,6 +47,9 @@
#define SEG_UDATA 5 // user data+stack
#define SEG_TSS 6 // this process's task state
// cpu->gdt[NSEGS] holds the above segments.
#define NSEGS 7
//PAGEBREAK!
#ifndef __ASSEMBLER__
// Segment Descriptor