111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/**************************************************************************** 211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert **************************************************************************** 311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** 411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** This header was automatically generated from a Linux kernel header 511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** of the same name, to make information necessary for userspace to 611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** call into the kernel available to libc. It contains only constants, 711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** structures, and macros generated from the original header, and thus, 811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** contains no copyrightable information. 911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** 1011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** To edit the content of this header, modify the corresponding 1111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** source file (e.g. under external/kernel-headers/original/) then 1211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** run bionic/libc/kernel/tools/update_all.py 1311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** 1411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** Any manual change here will be lost the next time this script will 1511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** be run. You've been warned! 1611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** 1711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert **************************************************************************** 1811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ****************************************************************************/ 1911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#ifndef _ASM_ATOMIC_H 2011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define _ASM_ATOMIC_H 2111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <linux/irqflags.h> 2211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <asm/barrier.h> 2311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 2411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <asm/cpu-features.h> 2511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <asm/war.h> 2611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <asm/system.h> 2711cd02dfb91661c65134cac258cf5924270e9d2Dan Alberttypedef struct { volatile int counter; } atomic_t; 2811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 2911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define ATOMIC_INIT(i) { (i) } 3011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define atomic_read(v) ((v)->counter) 3111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define atomic_set(v, i) ((v)->counter = (i)) 3211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n))) 3311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 3411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define atomic_xchg(v, new) (xchg(&((v)->counter), (new))) 3511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) 3611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define atomic_dec_return(v) atomic_sub_return(1, (v)) 3711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define atomic_inc_return(v) atomic_add_return(1, (v)) 3811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 3911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define atomic_sub_and_test(i, v) (atomic_sub_return((i), (v)) == 0) 4011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0) 4111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define atomic_dec_and_test(v) (atomic_sub_return(1, (v)) == 0) 4211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define atomic_dec_if_positive(v) atomic_sub_if_positive(1, v) 4311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 4411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define atomic_inc(v) atomic_add(1, (v)) 4511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define atomic_dec(v) atomic_sub(1, (v)) 4611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define atomic_add_negative(i, v) (atomic_add_return(i, (v)) < 0) 4711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define smp_mb__before_atomic_dec() smp_llsc_mb() 4811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 4911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define smp_mb__after_atomic_dec() smp_llsc_mb() 5011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define smp_mb__before_atomic_inc() smp_llsc_mb() 5111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define smp_mb__after_atomic_inc() smp_llsc_mb() 5211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <asm-generic/atomic.h> 5311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 5411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#endif 55