From 486425ed00acec134f8799bdde64bfd093c5fb55 Mon Sep 17 00:00:00 2001 From: Amlal El Mahrouss Date: Thu, 26 Dec 2024 21:19:14 +0100 Subject: IMPL: A lot of new changes, see details. Signed-off-by: Amlal El Mahrouss --- dev/Boot/BootKit/BitManip.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 dev/Boot/BootKit/BitManip.h (limited to 'dev/Boot/BootKit/BitManip.h') diff --git a/dev/Boot/BootKit/BitManip.h b/dev/Boot/BootKit/BitManip.h new file mode 100644 index 00000000..3b5ea540 --- /dev/null +++ b/dev/Boot/BootKit/BitManip.h @@ -0,0 +1,20 @@ +/* ------------------------------------------- + + Copyright (C) 2024, Theater Quality Inc, 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__ -- cgit v1.2.3