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Add cramfs support for m68k

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Patch by Zachary Landau, 21 Feb 2005
This commit is contained in:
Wolfgang Denk 2005-09-25 16:59:36 +02:00
parent bd51626c8d
commit b66eb5282d
3 changed files with 26 additions and 1 deletions
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3
CHANGELOG
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@ -2,6 +2,9 @@
Changes for U-Boot 1.1.4:
======================================================================
* Add cramfs support for m68k
Patch by Zachary Landau, 21 Feb 2005
* Update ep8260: Fix flash timeouts; improve clock resolution for faster UARTs
Patch by Jeff Angielski, 21 Feb 2005

22
include/cramfs/cramfs_fs.h
View file

@ -84,6 +84,7 @@ struct cramfs_super {
| CRAMFS_FLAG_WRONG_SIGNATURE \
| CRAMFS_FLAG_SHIFTED_ROOT_OFFSET )
#if __BYTE_ORDER == __LITTLE_ENDIAN
#define CRAMFS_16(x) (x)
#define CRAMFS_24(x) (x)
#define CRAMFS_32(x) (x)
@ -91,6 +92,27 @@ struct cramfs_super {
#define CRAMFS_GET_OFFSET(x) ((x)->offset)
#define CRAMFS_SET_OFFSET(x,y) ((x)->offset = (y))
#define CRAMFS_SET_NAMELEN(x,y) ((x)->namelen = (y))
#elif __BYTE_ORDER == __BIG_ENDIAN
#ifdef __KERNEL__
#define CRAMFS_16(x) swab16(x)
#define CRAMFS_24(x) ((swab32(x)) >> 8)
#define CRAMFS_32(x) swab32(x)
#else /* not __KERNEL__ */
#define CRAMFS_16(x) bswap_16(x)
#define CRAMFS_24(x) ((bswap_32(x)) >> 8)
#define CRAMFS_32(x) bswap_32(x)
#endif /* not __KERNEL__ */
#define CRAMFS_GET_NAMELEN(x) (((u8*)(x))[8] & 0x3f)
#define CRAMFS_GET_OFFSET(x) ((CRAMFS_24(((u32*)(x))[2] & 0xffffff) << 2) |\
((((u32*)(x))[2] & 0xc0000000) >> 30))
#define CRAMFS_SET_NAMELEN(x,y) (((u8*)(x))[8] = (((0x3f & (y))) | \
(0xc0 & ((u8*)(x))[8])))
#define CRAMFS_SET_OFFSET(x,y) (((u32*)(x))[2] = (((y) & 3) << 30) | \
CRAMFS_24((((y) & 0x03ffffff) >> 2)) | \
(((u32)(((u8*)(x))[8] & 0x3f)) << 24))
#else
#error "__BYTE_ORDER must be __LITTLE_ENDIAN or __BIG_ENDIAN"
#endif
/* Uncompression interfaces to the underlying zlib */
int cramfs_uncompress_block(void *dst, void *src, int srclen);

2
include/linux/stat.h
View file

@ -67,7 +67,7 @@ struct stat {
#endif /* __PPC__ */
#if defined (__ARM__) || defined (__I386__)
#if defined (__ARM__) || defined (__I386__) || defined (__M68K__)
struct stat {
unsigned short st_dev;