X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=include%2Ffat.h;h=20ca3f3dca7df4476c5e94b9925815ba08bb6378;hb=114cc4290b2f24bb314edf2edd5d8738a0778c4b;hp=2c951e7d79c626bdff3749eabd2cce5283089050;hpb=326ea986ac150acdc7656d57fca647db80b50158;p=u-boot

diff --git a/include/fat.h b/include/fat.h
index 2c951e7d79..20ca3f3dca 100644
--- a/include/fat.h
+++ b/include/fat.h
@@ -18,7 +18,11 @@
 #define VFAT_MAXSEQ		9   /* Up to 9 of 13 2-byte UTF-16 entries */
 #define PREFETCH_BLOCKS		2
 
-#define MAX_CLUSTSIZE	65536
+#ifndef CONFIG_FS_FAT_MAX_CLUSTSIZE
+#define CONFIG_FS_FAT_MAX_CLUSTSIZE 65536
+#endif
+#define MAX_CLUSTSIZE	CONFIG_FS_FAT_MAX_CLUSTSIZE
+
 #define DIRENTSPERBLOCK	(mydata->sect_size / sizeof(dir_entry))
 #define DIRENTSPERCLUST	((mydata->clust_size * mydata->sect_size) / \
 			 sizeof(dir_entry))
@@ -84,8 +88,13 @@
 #define START(dent)	(FAT2CPU16((dent)->start) \
 			+ (mydata->fatsize != 32 ? 0 : \
 			  (FAT2CPU16((dent)->starthi) << 16)))
+#define IS_LAST_CLUST(x, fatsize) ((x) >= ((fatsize) != 32 ? \
+					((fatsize) != 16 ? 0xff8 : 0xfff8) : \
+					0xffffff8))
 #define CHECK_CLUST(x, fatsize) ((x) <= 1 || \
-				(x) >= ((fatsize) != 32 ? 0xfff0 : 0xffffff0))
+				(x) >= ((fatsize) != 32 ? \
+					((fatsize) != 16 ? 0xff0 : 0xfff0) : \
+					0xffffff0))
 
 typedef struct boot_sector {
 	__u8	ignored[3];	/* Bootstrap code */
@@ -188,6 +197,8 @@ file_read_func		file_fat_read;
 int file_cd(const char *path);
 int file_fat_detectfs(void);
 int file_fat_ls(const char *dir);
+int fat_exists(const char *filename);
+int fat_size(const char *filename);
 long file_fat_read_at(const char *filename, unsigned long pos, void *buffer,
 		      unsigned long maxsize);
 long file_fat_read(const char *filename, void *buffer, unsigned long maxsize);