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| author | GuanXuetao <gxt@mprc.pku.edu.cn> | 2011-02-26 20:08:36 +0800 |
|---|---|---|
| committer | GuanXuetao <gxt@mprc.pku.edu.cn> | 2011-03-17 09:19:14 +0800 |
| commit | b08b4f8e63e60a64f81e194269be14afee396f33 (patch) | |
| tree | d76aef05929a7f28f1463c72adefd8af780192c8 /arch/unicore32/include/mach/bitfield.h | |
| parent | fa7499ef77db8d535e3c609c8064e9ee50c0693c (diff) | |
| download | linux-b08b4f8e63e60a64f81e194269be14afee396f33.tar.bz2 | |
unicore32 machine related files: hardware registers
This patch adds all hardware registers definitions.
Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Diffstat (limited to 'arch/unicore32/include/mach/bitfield.h')
| -rw-r--r-- | arch/unicore32/include/mach/bitfield.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/unicore32/include/mach/bitfield.h b/arch/unicore32/include/mach/bitfield.h new file mode 100644 index 000000000000..128a70281efc --- /dev/null +++ b/arch/unicore32/include/mach/bitfield.h @@ -0,0 +1,24 @@ +/* + * linux/arch/unicore32/include/mach/bitfield.h + * + * Code specific to PKUnity SoC and UniCore ISA + * + * Copyright (C) 2001-2010 GUAN Xue-tao + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef __MACH_PUV3_BITFIELD_H__ +#define __MACH_PUV3_BITFIELD_H__ + +#ifndef __ASSEMBLY__ +#define UData(Data) ((unsigned long) (Data)) +#else +#define UData(Data) (Data) +#endif + +#define FIELD(val, vmask, vshift) (((val) & ((UData(1) << (vmask)) - 1)) << (vshift)) +#define FMASK(vmask, vshift) (((UData(1) << (vmask)) - 1) << (vshift)) + +#endif /* __MACH_PUV3_BITFIELD_H__ */ |