blob: e67ccdd117d82708803d0269d8bf8f9bd9ab34e6 (
plain)
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
|
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _UAPI_XTENSA_UNISTD_H
#define _UAPI_XTENSA_UNISTD_H
#include <asm/unistd_32.h>
#define __ARCH_WANT_SYS_OLDUMOUNT
/*
* sysxtensa syscall handler
*
* int sysxtensa (SYS_XTENSA_ATOMIC_SET, ptr, val, unused);
* int sysxtensa (SYS_XTENSA_ATOMIC_ADD, ptr, val, unused);
* int sysxtensa (SYS_XTENSA_ATOMIC_EXG_ADD, ptr, val, unused);
* int sysxtensa (SYS_XTENSA_ATOMIC_CMP_SWP, ptr, oldval, newval);
* a2 a6 a3 a4 a5
*/
#define SYS_XTENSA_RESERVED 0 /* don't use this */
#define SYS_XTENSA_ATOMIC_SET 1 /* set variable */
#define SYS_XTENSA_ATOMIC_EXG_ADD 2 /* exchange memory and add */
#define SYS_XTENSA_ATOMIC_ADD 3 /* add to memory */
#define SYS_XTENSA_ATOMIC_CMP_SWP 4 /* compare and swap */
#define SYS_XTENSA_COUNT 5 /* count */
#endif /* _UAPI_XTENSA_UNISTD_H */
|
