1cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh/**************************************************************************** 2cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh **************************************************************************** 3cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh *** 4cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh *** This header was automatically generated from a Linux kernel header 5cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh *** of the same name, to make information necessary for userspace to 6cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh *** call into the kernel available to libc. It contains only constants, 7cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh *** structures, and macros generated from the original header, and thus, 8cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh *** contains no copyrightable information. 9cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh *** 10cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh *** To edit the content of this header, modify the corresponding 11cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh *** source file (e.g. under external/kernel-headers/original/) then 12cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh *** run bionic/libc/kernel/tools/update_all.py 13cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh *** 14cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh *** Any manual change here will be lost the next time this script will 15cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh *** be run. You've been warned! 16cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh *** 17cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh **************************************************************************** 18cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh ****************************************************************************/ 19cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh#ifndef _ASM_ATOMIC_H 20cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh#define _ASM_ATOMIC_H 21cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh#include <linux/irqflags.h> 22cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh#include <asm/barrier.h> 23cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 24cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh#include <asm/cpu-features.h> 25cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh#include <asm/war.h> 26cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh#include <asm/system.h> 27cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsiehtypedef struct { volatile int counter; } atomic_t; 28cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 29cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh#define ATOMIC_INIT(i) { (i) } 30cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh#define atomic_read(v) ((v)->counter) 31cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh#define atomic_set(v, i) ((v)->counter = (i)) 32cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh#define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n))) 33cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 34cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh#define atomic_xchg(v, new) (xchg(&((v)->counter), (new))) 35cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) 36cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh#define atomic_dec_return(v) atomic_sub_return(1, (v)) 37cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh#define atomic_inc_return(v) atomic_add_return(1, (v)) 38cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 39cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh#define atomic_sub_and_test(i, v) (atomic_sub_return((i), (v)) == 0) 40cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh#define atomic_inc_and_test(v) (atomic_inc_return(v) == 0) 41cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh#define atomic_dec_and_test(v) (atomic_sub_return(1, (v)) == 0) 42cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh#define atomic_dec_if_positive(v) atomic_sub_if_positive(1, v) 43cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 44cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh#define atomic_inc(v) atomic_add(1, (v)) 45cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh#define atomic_dec(v) atomic_sub(1, (v)) 46cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh#define atomic_add_negative(i, v) (atomic_add_return(i, (v)) < 0) 47cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh#define smp_mb__before_atomic_dec() smp_llsc_mb() 48cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 49cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh#define smp_mb__after_atomic_dec() smp_llsc_mb() 50cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh#define smp_mb__before_atomic_inc() smp_llsc_mb() 51cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh#define smp_mb__after_atomic_inc() smp_llsc_mb() 52cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh#include <asm-generic/atomic.h> 53cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 54cd89a9be3397dfc6416835b3f1cbe37b3e5b605bAndrew Hsieh#endif 55