1 /* 2 * Header file for using the wbflush routine 3 * 4 * This file is subject to the terms and conditions of the GNU General Public 5 * License. See the file "COPYING" in the main directory of this archive 6 * for more details. 7 * 8 * Copyright (c) 1998 Harald Koerfgen 9 * Copyright (C) 2002 Maciej W. Rozycki 10 */ 11 #ifndef _ASM_WBFLUSH_H 12 #define _ASM_WBFLUSH_H 13 14 15 #ifdef CONFIG_CPU_HAS_WB 16 17 extern void (*__wbflush)(void); 18 extern void wbflush_setup(void); 19 20 #define wbflush() \ 21 do { \ 22 __sync(); \ 23 __wbflush(); \ 24 } while (0) 25 26 #else /* !CONFIG_CPU_HAS_WB */ 27 28 #define wbflush_setup() do { } while (0) 29 30 #define wbflush() fast_iob() 31 32 #endif /* !CONFIG_CPU_HAS_WB */ 33 34 #endif /* _ASM_WBFLUSH_H */ 35