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

PTE flag comments

Browse source
This commit is contained in:
Imbus 2025-01-13 16:33:30 +01:00
parent 1d3036da7a
commit eb6dd2be2c
1 changed files with 10 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
kernel/riscv.h
View file

@ -429,6 +429,16 @@ typedef u64 *pagetable_t; // 512 PTEs
/**
* Page Table Entry Flags
*/
/** Valid */
#define PTE_V (1L << 0)
/** Readable */
#define PTE_R (1L << 1)
/** Writable */
#define PTE_W (1L << 2)
/** Executable */
#define PTE_X (1L << 3)
/** User-accessible */
#define PTE_U (1L << 4)
#define PTE_V (1L << 0) /** PTE Valid */
#define PTE_R (1L << 1) /** PTE Readable */