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| author | Stefan Roese <sr@denx.de> | 2009-03-19 15:34:56 +0100 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2009-03-20 22:39:15 +0100 |
| commit | b1b4e89a0f3b75854c39a62cae41bad56d210adf (patch) | |
| tree | 460e7663f9d619596f29768e7296872e6dcf3001 /include/asm-ppc | |
| parent | 68d7d65100e84df00bca971c114092731b441090 (diff) | |
| download | u-boot-imx-b1b4e89a0f3b75854c39a62cae41bad56d210adf.zip u-boot-imx-b1b4e89a0f3b75854c39a62cae41bad56d210adf.tar.gz u-boot-imx-b1b4e89a0f3b75854c39a62cae41bad56d210adf.tar.bz2 | |
Add LZO decompressor support
This patch adds LZO decompression support to U-Boot. It is needed for
the upcoming UBIFS support, since UBIFS uses LZO as default compressor/
decompressor. Since we only support read-only in UBIFS, only the
decompressor is needed.
All this is copied with minor changes from the current Linux kernel
version (2.6.28-rc8).
This patch only implements this LZO decompressor support for PPC.
Other platforms using UBIFS will have to add the required
"include/asm/unaligned.h" as well. It should be fairly easy to copy this
from the Linux source tree as I have done it for PPC in this patch.
Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'include/asm-ppc')
| -rw-r--r-- | include/asm-ppc/unaligned.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/asm-ppc/unaligned.h b/include/asm-ppc/unaligned.h new file mode 100644 index 0000000..5f1b1e3 --- /dev/null +++ b/include/asm-ppc/unaligned.h @@ -0,0 +1,16 @@ +#ifndef _ASM_POWERPC_UNALIGNED_H +#define _ASM_POWERPC_UNALIGNED_H + +#ifdef __KERNEL__ + +/* + * The PowerPC can do unaligned accesses itself in big endian mode. + */ +#include <linux/unaligned/access_ok.h> +#include <linux/unaligned/generic.h> + +#define get_unaligned __get_unaligned_be +#define put_unaligned __put_unaligned_be + +#endif /* __KERNEL__ */ +#endif /* _ASM_POWERPC_UNALIGNED_H */ |