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
40
41
42
43
44
45
46
47
48
49
50
|
// See LICENSE for license details.
#ifndef _RISCV_FRONTEND_H
#define _RISCV_FRONTEND_H
#include <stdint.h>
#include <sys/stat.h>
#ifdef __riscv64
# define TOHOST_CMD(dev, cmd, payload) \
(((uint64_t)(dev) << 56) | ((uint64_t)(cmd) << 48) | (uint64_t)(payload))
#else
# define TOHOST_CMD(dev, cmd, payload) ({ \
if ((dev) || (cmd)) __builtin_trap(); \
(payload); })
#endif
#define FROMHOST_DEV(fromhost_value) ((uint64_t)(fromhost_value) >> 56)
#define FROMHOST_CMD(fromhost_value) ((uint64_t)(fromhost_value) << 8 >> 56)
#define FROMHOST_DATA(fromhost_value) ((uint64_t)(fromhost_value) << 16 >> 16)
void die(int) __attribute__((noreturn));
long frontend_syscall(long n, long a0, long a1, long a2, long a3, long a4, long a5, long a6);
uint64_t tohost_sync(unsigned dev, unsigned cmd, uint64_t payload);
struct frontend_stat {
uint64_t dev;
uint64_t ino;
uint32_t mode;
uint32_t nlink;
uint32_t uid;
uint32_t gid;
uint64_t rdev;
uint64_t __pad1;
uint64_t size;
uint32_t blksize;
uint32_t __pad2;
uint64_t blocks;
uint64_t atime;
uint64_t __pad3;
uint64_t mtime;
uint64_t __pad4;
uint64_t ctime;
uint64_t __pad5;
uint32_t __unused4;
uint32_t __unused5;
};
void copy_stat(struct stat* dest, struct frontend_stat* src);
#endif
|
