1/**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19#ifndef __ASM_SYSTEM_H 20#define __ASM_SYSTEM_H 21#include <linux/kernel.h> 22#include <asm/segment.h> 23/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 24#include <asm/cpufeature.h> 25#include <asm/cmpxchg.h> 26#define nop() __asm__ __volatile__ ("nop") 27#define mb() alternative("lock; addl $0,0(%%esp)", "mfence", X86_FEATURE_XMM2) 28/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 29#define rmb() alternative("lock; addl $0,0(%%esp)", "lfence", X86_FEATURE_XMM2) 30#define wmb() alternative("lock; addl $0,0(%%esp)", "sfence", X86_FEATURE_XMM) 31#define read_barrier_depends() do { } while(0) 32#define smp_mb() barrier() 33/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 34#define smp_rmb() barrier() 35#define smp_wmb() barrier() 36#define smp_read_barrier_depends() do { } while(0) 37#define set_mb(var, value) do { var = value; barrier(); } while (0) 38/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 39#include <linux/irqflags.h> 40#define HAVE_DISABLE_HLT 41#endif 42