add jffs2 code (porting from ecos v3.0)

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1919 bbd45198-f89e-11dd-88c7-29a3b14d5316

1 files changed, 37 insertions, 0 deletions

diff --git a/components/dfs/filesystems/jffs2/kernel/linux/kernel.h b/components/dfs/filesystems/jffs2/kernel/linux/kernel.h
new file mode 100644
index 0000000000..b695930109
--- /dev/null
+++ b/components/dfs/filesystems/jffs2/kernel/linux/kernel.h
@@ -0,0 +1,37 @@
+#ifndef __LINUX_KERNEL_H__
+#define __LINUX_KERNEL_H__
+//#include <cyg/infra/diag.h>
+//#include <stdio.h>  //mod by prife @ 2011/11/20

+
+#define jiffies 100
+
+#define ERR_PTR(err) ((void*)(err))
+#define PTR_ERR(err) ((unsigned long)(err))
+#define IS_ERR(err) ((unsigned long)err > (unsigned long)-1000L)
+
+#define CURRENT_TIME cyg_timestamp()
+
+#define	KERN_EMERG              "<0>" // system is unusable
+#define	KERN_ALERT              "<1>" // action must be taken immediately
+#define	KERN_CRIT               "<2>" // critical conditions
+#define	KERN_ERR                "<3>" // error conditions
+#define	KERN_WARNING            "<4>" // warning conditions
+#define	KERN_NOTICE             "<5>" // normal but significant condition
+#define	KERN_INFO               "<6>" // informational
+#define	KERN_DEBUG              "<7>" // debug-level messages
+#define printk rt_kprintf//diag_printf  //mod by prife
+
+#ifndef min  //mod by prife
+#define min(x,y) (x<y?x:y)
+#endif
+#ifndef max
+#define max(x,y) (x<y?y:x)
+#endif
+#define min_t(t, x,y) ((t)x<(t)y?(t)x:(t)y)
+
+
+#endif /* __LINUX_KERNEL_H__ */
+
+
+
+