1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2*4882a593Smuzhiyun #ifndef _UAPI_XTENSA_UNISTD_H 3*4882a593Smuzhiyun #define _UAPI_XTENSA_UNISTD_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #include <asm/unistd_32.h> 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun #define __ARCH_WANT_SYS_OLDUMOUNT 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun /* 10*4882a593Smuzhiyun * sysxtensa syscall handler 11*4882a593Smuzhiyun * 12*4882a593Smuzhiyun * int sysxtensa (SYS_XTENSA_ATOMIC_SET, ptr, val, unused); 13*4882a593Smuzhiyun * int sysxtensa (SYS_XTENSA_ATOMIC_ADD, ptr, val, unused); 14*4882a593Smuzhiyun * int sysxtensa (SYS_XTENSA_ATOMIC_EXG_ADD, ptr, val, unused); 15*4882a593Smuzhiyun * int sysxtensa (SYS_XTENSA_ATOMIC_CMP_SWP, ptr, oldval, newval); 16*4882a593Smuzhiyun * a2 a6 a3 a4 a5 17*4882a593Smuzhiyun */ 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun #define SYS_XTENSA_RESERVED 0 /* don't use this */ 20*4882a593Smuzhiyun #define SYS_XTENSA_ATOMIC_SET 1 /* set variable */ 21*4882a593Smuzhiyun #define SYS_XTENSA_ATOMIC_EXG_ADD 2 /* exchange memory and add */ 22*4882a593Smuzhiyun #define SYS_XTENSA_ATOMIC_ADD 3 /* add to memory */ 23*4882a593Smuzhiyun #define SYS_XTENSA_ATOMIC_CMP_SWP 4 /* compare and swap */ 24*4882a593Smuzhiyun #define SYS_XTENSA_COUNT 5 /* count */ 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun #endif /* _UAPI_XTENSA_UNISTD_H */ 27