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Diffstat (limited to 'dev/BootLoader/BootKit/BitManip.h')
| -rw-r--r-- | dev/BootLoader/BootKit/BitManip.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/dev/BootLoader/BootKit/BitManip.h b/dev/BootLoader/BootKit/BitManip.h new file mode 100644 index 00000000..7146d266 --- /dev/null +++ b/dev/BootLoader/BootKit/BitManip.h @@ -0,0 +1,20 @@ +/* ------------------------------------------- + + Copyright (C) 2024, TQ B.V, all rights reserved. + +------------------------------------------- */ + +#ifndef __BITMANIP_H__ +#define __BITMANIP_H__ + +/// File: BitManip.h +/// Purpose: Bit manipulation helpers, based on coreboot-dev. + +#define bk_set_bit(X, O) X = (1 << O) | X +#define bk_clear_bit(X, O) X = ~(1 << O) & X +#define bk_toogle(X, O) X = (1 << O) ^ X +#define bk_lsb(X) X = X & -X +#define bk_msb(X) X = -(mp_lsb(X)) & X +#define bk_look_for_bit(X, O) (1 << O) | X + +#endif // ifndef __BITMANIP_H__ |