diff options
| author | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
|---|---|---|
| committer | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
| commit | 8e4bff4cab0ddac6060645b0715210484d02ff40 (patch) | |
| tree | 3a5c3024371a04692a3a6d9974d001cdff8ebf84 /arch/unicore32/include/mach/bitfield.h | |
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 00000000..128a7028 --- /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__ */ |