/* * YAFFS: Yet another FFS. A NAND-flash specific file system.  * yportenv.h: Portable services used by yaffs. This is done to allow * simple migration from kernel space into app space for testing. * * Copyright (C) 2002 Aleph One Ltd. *   for Toby Churchill Ltd and Brightstar Engineering * * Created by Charles Manning <charles@aleph1.co.uk> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License version 2.1 as * published by the Free Software Foundation. * * * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. * * $Id: yportenv.h,v 1.14 2004/10/10 18:03:35 charles Exp $ * */ #ifndef __YPORTENV_H__#define __YPORTENV_H__//by threewater use yaffs direct mode#define CONFIG_YAFFS_DIRECT#if defined CONFIG_YAFFS_WINCE#include "ywinceenv.h"#elif  defined __KERNEL__// Linux kernel#include "linux/kernel.h"#include "linux/version.h"#include "linux/mm.h"#include "linux/string.h"#include "linux/slab.h"#define YAFFS_LOSTNFOUND_NAME		"lost+found"#define YAFFS_LOSTNFOUND_PREFIX		"obj"//#define YPRINTF(x) printk x#define YMALLOC(x) kmalloc(x,GFP_KERNEL)#define YFREE(x)   kfree(x)#define YAFFS_ROOT_MODE				0666#define YAFFS_LOSTNFOUND_MODE		0666#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0))#define Y_CURRENT_TIME CURRENT_TIME.tv_sec#define Y_TIME_CONVERT(x) (x).tv_sec#else#define Y_CURRENT_TIME CURRENT_TIME#define Y_TIME_CONVERT(x) (x)#endif#define yaffs_SumCompare(x,y) ((x) == (y))#define yaffs_strcmp(a,b) strcmp(a,b)#define TENDSTR "\n"#define TSTR(x) KERN_DEBUG x#define TOUT(p) printk p#elif defined CONFIG_YAFFS_DIRECT// Direct interface#include "ydirectenv.h"#elif defined CONFIG_YAFFS_UTIL// Stuff for YAFFS utilities#include "stdlib.h"#include "stdio.h"#include "string.h"#include "devextras.h"#define YMALLOC(x) malloc(x)#define YFREE(x)   free(x)//#define YINFO(s) YPRINTF(( __FILE__ " %d %s\n",__LINE__,s))//#define YALERT(s) YINFO(s)#define TENDSTR "\n"#define TSTR(x) x#define TOUT(p) printf p#define YAFFS_LOSTNFOUND_NAME		"lost+found"#define YAFFS_LOSTNFOUND_PREFIX		"obj"//#define YPRINTF(x) printf x#define CURRENT_TIME 0#define YAFFS_ROOT_MODE				0666#define YAFFS_LOSTNFOUND_MODE		0666#define yaffs_SumCompare(x,y) ((x) == (y))#define yaffs_strcmp(a,b) strcmp(a,b)#else// Should have specified a configuration type#error Unknown configuration#endif extern unsigned yaffs_traceMask;#define YAFFS_TRACE_ERROR		0x0001#define YAFFS_TRACE_OS			0x0002#define YAFFS_TRACE_ALLOCATE	0x0004#define YAFFS_TRACE_SCAN		0x0008#define YAFFS_TRACE_BAD_BLOCKS	0x0010#define YAFFS_TRACE_ERASE		0x0020#define YAFFS_TRACE_GC			0x0040#define YAFFS_TRACE_TRACING		0x0100#define YAFFS_TRACE_ALWAYS		0x0200#define YAFFS_TRACE_BUG			0x8000#define T(mask,p) do{ if((mask) & (yaffs_traceMask | YAFFS_TRACE_ERROR)) TOUT(p);} while(0) #ifndef CONFIG_YAFFS_WINCE#define YBUG() T(YAFFS_TRACE_BUG,(TSTR("==>> yaffs bug: " __FILE__ " %d" TENDSTR),__LINE__))#endif#endif