summaryrefslogtreecommitdiffstats
path: root/arch/x86_64/paging.h
blob: 28dfad27399104179ce1850fa8e29b5ebea91439 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
#ifndef JOVE_ARCH_x86_64_PAGING_H
#define JOVE_ARCH_x86_64_PAGING_H 1

#include <stdint.h>

typedef union PageMappingLevelEntry
{
    struct {
        uint8_t p : 1; /* Present */
        uint8_t rw : 1; /* Read/write. 0 for RO.*/
        uint8_t us : 1; /* User/supervisor. 0 for DPL3 forbid */
        uint8_t pwt : 1;
        uint8_t pcd : 1;
        uint8_t a : 1; /* Accessed */
        uint8_t d : 1; /* Dirty */
        uint8_t ps_pat : 1;
        uint8_t g : 1; /* Global */
        uint8_t _r0 : 2;
        uint8_t r : 1;
        uint64_t paddr : 35;
        uint8_t _r1;
        uint8_t pk : 4;
        uint8_t xd : 1;
    }__attribute__((packed));
    uint64_t value;
} __attribute__((packed)) pmle_t;

#endif