From 6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 18:29:51 +0200 Subject: Adding upstream version 2.06. Signed-off-by: Daniel Baumann --- grub-core/lib/libgcrypt/cipher/bithelp.h | 54 ++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 grub-core/lib/libgcrypt/cipher/bithelp.h (limited to 'grub-core/lib/libgcrypt/cipher/bithelp.h') diff --git a/grub-core/lib/libgcrypt/cipher/bithelp.h b/grub-core/lib/libgcrypt/cipher/bithelp.h new file mode 100644 index 0000000..1505324 --- /dev/null +++ b/grub-core/lib/libgcrypt/cipher/bithelp.h @@ -0,0 +1,54 @@ +/* bithelp.h - Some bit manipulation helpers + * Copyright (C) 1999, 2002 Free Software Foundation, Inc. + * + * This file is part of Libgcrypt. + * + * Libgcrypt is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser general Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * Libgcrypt is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + */ +#ifndef G10_BITHELP_H +#define G10_BITHELP_H + + +/**************** + * Rotate the 32 bit unsigned integer X by N bits left/right + */ +#if defined(__GNUC__) && defined(__i386__) +static inline u32 +rol( u32 x, int n) +{ + __asm__("roll %%cl,%0" + :"=r" (x) + :"0" (x),"c" (n)); + return x; +} +#else +#define rol(x,n) ( ((x) << (n)) | ((x) >> (32-(n))) ) +#endif + +#if defined(__GNUC__) && defined(__i386__) +static inline u32 +ror(u32 x, int n) +{ + __asm__("rorl %%cl,%0" + :"=r" (x) + :"0" (x),"c" (n)); + return x; +} +#else +#define ror(x,n) ( ((x) >> (n)) | ((x) << (32-(n))) ) +#endif + + +#endif /*G10_BITHELP_H*/ -- cgit v1.2.3