diff options
| author | Amlal <amlal.elmahrouss@icloud.com> | 2025-01-24 10:38:36 +0100 |
|---|---|---|
| committer | Amlal <amlal.elmahrouss@icloud.com> | 2025-01-24 10:38:36 +0100 |
| commit | 7b4bd3577a31d0f0adc7371840642791ae1567f4 (patch) | |
| tree | 1a8afc973aaa739d0d763315cad2fd376d1cea9c /dev/Boot/BootKit/BitManip.h | |
ADD: Open version, with important changes kept out.
Signed-off-by: Amlal <amlal.elmahrouss@icloud.com>
Diffstat (limited to 'dev/Boot/BootKit/BitManip.h')
| -rw-r--r-- | dev/Boot/BootKit/BitManip.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/dev/Boot/BootKit/BitManip.h b/dev/Boot/BootKit/BitManip.h new file mode 100644 index 00000000..08421d6e --- /dev/null +++ b/dev/Boot/BootKit/BitManip.h @@ -0,0 +1,20 @@ +/* ------------------------------------------- + + Copyright (C) 2024, Amlal EL Mahrouss, 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__ |
