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_BARRIER_H 20 #define __ASM_BARRIER_H 21 #define read_barrier_depends() do { } while(0) 22 #define smp_read_barrier_depends() do { } while(0) 23 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 24 #define __sync() do { } while(0) 25 #define __fast_iob() __asm__ __volatile__( ".set push\n\t" ".set noreorder\n\t" "lw $0,%0\n\t" "nop\n\t" ".set pop" : : "m" (*(int *)CKSEG1) : "memory") 26 #define fast_wmb() __sync() 27 #define fast_rmb() __sync() 28 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 29 #define fast_mb() __sync() 30 #define fast_iob() do { __sync(); __fast_iob(); } while (0) 31 #define wmb() fast_wmb() 32 #define rmb() fast_rmb() 33 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 34 #define mb() fast_mb() 35 #define iob() fast_iob() 36 #define __WEAK_ORDERING_MB " \n" 37 #define __WEAK_LLSC_MB " \n" 38 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 39 #define smp_mb() __asm__ __volatile__(__WEAK_ORDERING_MB : : :"memory") 40 #define smp_rmb() __asm__ __volatile__(__WEAK_ORDERING_MB : : :"memory") 41 #define smp_wmb() __asm__ __volatile__(__WEAK_ORDERING_MB : : :"memory") 42 #define set_mb(var, value) do { var = value; smp_mb(); } while (0) 43 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 44 #define smp_llsc_mb() __asm__ __volatile__(__WEAK_LLSC_MB : : :"memory") 45 #define smp_llsc_rmb() __asm__ __volatile__(__WEAK_LLSC_MB : : :"memory") 46 #define smp_llsc_wmb() __asm__ __volatile__(__WEAK_LLSC_MB : : :"memory") 47 #endif 48 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 49