blob: a55751348eaf2f6f632ba0f3746af231f8d30f5d (
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
29
30
31
32
33
34
35
36
37
38
39
|
#ifndef APOS_RISCV_VMAP_H
#define APOS_RISCV_VMAP_H
/**
* @file vmem.h
* riscv64 definitions of arch-specific virtual memory data types and macros.
* Very likely VM_* should be moved to \ref include/apos/vmem.h and made
* architecture-nonspecific, but works for now.
*/
#include <apos/types.h>
#include <apos/attrs.h>
#if __riscv_xlen == 64
#define RISCV_NUM_LEAVES 512
#else
#define RISCV_NUM_LEAVES 1024
#endif
#define VM_V (1 << 0)
#define VM_R (1 << 1)
#define VM_W (1 << 2)
#define VM_X (1 << 3)
#define VM_U (1 << 4)
#define VM_G (1 << 5)
#define VM_A (1 << 6)
#define VM_D (1 << 7)
enum mm_mode {
Sv48,
Sv39,
Sv32,
};
struct vmem {
struct vmem *leaf[RISCV_NUM_LEAVES];
};
#endif /* APOS_RISCV_VMAP_H */
|
