cacheflush.h

来自「Linux Kernel 2.6.9 for OMAP1710」· C头文件 代码 · 共 69 行

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#ifndef _ASM_M32R_CACHEFLUSH_H#define _ASM_M32R_CACHEFLUSH_H#include <linux/config.h>#include <linux/mm.h>extern void _flush_cache_all(void);extern void _flush_cache_copyback_all(void);#if defined(CONFIG_CHIP_M32700) || defined(CONFIG_CHIP_OPSP)#define flush_cache_all()			do { } while (0)#define flush_cache_mm(mm)			do { } while (0)#define flush_cache_range(vma, start, end)	do { } while (0)#define flush_cache_page(vma, vmaddr)		do { } while (0)#define flush_dcache_page(page)			do { } while (0)#define flush_dcache_mmap_lock(mapping)		do { } while (0)#define flush_dcache_mmap_unlock(mapping)	do { } while (0)#ifndef CONFIG_SMP#define flush_icache_range(start, end)		_flush_cache_copyback_all()#define flush_icache_page(vma,pg)		_flush_cache_copyback_all()#define flush_icache_user_range(vma,pg,adr,len)	_flush_cache_copyback_all()#define flush_cache_sigtramp(addr)		_flush_cache_copyback_all()#else	/* CONFIG_SMP */extern void smp_flush_cache_all(void);#define flush_icache_range(start, end)		smp_flush_cache_all()#define flush_icache_page(vma,pg)		smp_flush_cache_all()#define flush_icache_user_range(vma,pg,adr,len)	smp_flush_cache_all()#define flush_cache_sigtramp(addr)		_flush_cache_copyback_all()#endif	/* CONFIG_SMP */#elif defined(CONFIG_CHIP_M32102)#define flush_cache_all()			do { } while (0)#define flush_cache_mm(mm)			do { } while (0)#define flush_cache_range(vma, start, end)	do { } while (0)#define flush_cache_page(vma, vmaddr)		do { } while (0)#define flush_dcache_page(page)			do { } while (0)#define flush_dcache_mmap_lock(mapping)		do { } while (0)#define flush_dcache_mmap_unlock(mapping)	do { } while (0)#define flush_icache_range(start, end)		_flush_cache_all()#define flush_icache_page(vma,pg)		_flush_cache_all()#define flush_icache_user_range(vma,pg,adr,len)	_flush_cache_all()#define flush_cache_sigtramp(addr)		_flush_cache_all()#else#define flush_cache_all()			do { } while (0)#define flush_cache_mm(mm)			do { } while (0)#define flush_cache_range(vma, start, end)	do { } while (0)#define flush_cache_page(vma, vmaddr)		do { } while (0)#define flush_dcache_page(page)			do { } while (0)#define flush_dcache_mmap_lock(mapping)		do { } while (0)#define flush_dcache_mmap_unlock(mapping)	do { } while (0)#define flush_icache_range(start, end)		do { } while (0)#define flush_icache_page(vma,pg)		do { } while (0)#define flush_icache_user_range(vma,pg,adr,len)	do { } while (0)#define flush_cache_sigtramp(addr)		do { } while (0)#endif	/* CONFIG_CHIP_* */#define flush_cache_vmap(start, end)	do { } while (0)#define flush_cache_vunmap(start, end)	do { } while (0)#define copy_to_user_page(vma, page, vaddr, dst, src, len)	\do {								\	memcpy(dst, src, len);					\	flush_icache_user_range(vma, page, vaddr, len);		\} while (0)#define copy_from_user_page(vma, page, vaddr, dst, src, len)	\	memcpy(dst, src, len)#endif /* _ASM_M32R_CACHEFLUSH_H */

cacheflush.h - 源码说明

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