2 * YAFFS: Yet another FFS. A NAND-flash specific file system.
3 * yportenv.h: Portable services used by yaffs. This is done to allow
4 * simple migration from kernel space into app space for testing.
6 * Copyright (C) 2002 Aleph One Ltd.
7 * for Toby Churchill Ltd and Brightstar Engineering
9 * Created by Charles Manning <charles@aleph1.co.uk>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU Lesser General Public License version 2.1 as
13 * published by the Free Software Foundation.
16 * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
18 * $Id: yportenv.h,v 1.12 2004-10-04 23:24:21 charles Exp $
22 #ifndef __YPORTENV_H__
23 #define __YPORTENV_H__
26 #if defined CONFIG_YAFFS_WINCE
28 #include "ywinceenv.h"
30 #elif defined __KERNEL__
35 #include "linux/kernel.h"
36 #include "linux/version.h"
38 #include "linux/string.h"
39 #include "linux/slab.h"
42 #define YAFFS_LOSTNFOUND_NAME "lost+found"
43 #define YAFFS_LOSTNFOUND_PREFIX "obj"
45 //#define YPRINTF(x) printk x
46 #define YMALLOC(x) kmalloc(x,GFP_KERNEL)
47 #define YFREE(x) kfree(x)
49 #define YAFFS_ROOT_MODE 0666
50 #define YAFFS_LOSTNFOUND_MODE 0666
53 #define yaffs_SumCompare(x,y) ((x) == (y))
54 #define yaffs_strcmp(a,b) strcmp(a,b)
57 #define TSTR(x) KERN_DEBUG x
58 #define TOUT(p) printk p
61 #elif defined CONFIG_YAFFS_DIRECT
64 #include "ydirectenv.h"
66 #elif defined CONFIG_YAFFS_UTIL
68 // Stuff for YAFFS utilities
74 #define YMALLOC(x) malloc(x)
75 #define YFREE(x) free(x)
78 //#define YINFO(s) YPRINTF(( __FILE__ " %d %s\n",__LINE__,s))
79 //#define YALERT(s) YINFO(s)
84 #define TOUT(p) printf p
87 #define YAFFS_LOSTNFOUND_NAME "lost+found"
88 #define YAFFS_LOSTNFOUND_PREFIX "obj"
89 //#define YPRINTF(x) printf x
92 #define CURRENT_TIME 0
93 #define YAFFS_ROOT_MODE 0666
94 #define YAFFS_LOSTNFOUND_MODE 0666
96 #define yaffs_SumCompare(x,y) ((x) == (y))
97 #define yaffs_strcmp(a,b) strcmp(a,b)
100 // Should have specified a configuration type
101 #error Unknown configuration
106 extern unsigned yaffs_traceMask;
108 #define YAFFS_TRACE_ERROR 0x0001
109 #define YAFFS_TRACE_OS 0x0002
110 #define YAFFS_TRACE_ALLOCATE 0x0004
111 #define YAFFS_TRACE_SCAN 0x0008
112 #define YAFFS_TRACE_BAD_BLOCKS 0x0010
113 #define YAFFS_TRACE_ERASE 0x0020
114 #define YAFFS_TRACE_GC 0x0040
115 #define YAFFS_TRACE_TRACING 0x0100
116 #define YAFFS_TRACE_ALWAYS 0x0200
117 #define YAFFS_TRACE_BUG 0x8000
119 #define T(mask,p) do{ if((mask) & (yaffs_traceMask | YAFFS_TRACE_ERROR)) TOUT(p);} while(0)
122 #ifndef CONFIG_YAFFS_WINCE
123 #define YBUG() T(YAFFS_TRACE_BUG,(TSTR("==>> yaffs bug: " __FILE__ " %d" TENDSTR),__LINE__))