blob: 7107ddbbb4bf776c98475e4d73f565c708c9f210 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
|
#ifndef _RISCV_HTIF_H
#define _RISCV_HTIF_H
#include <stdint.h>
#if __riscv_xlen == 64
# 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)
#endif
|
