cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
Log | Files | Refs | Submodules | LICENSE | sfeed.txt

const.h (987B)


      1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
      2/* const.h: Macros for dealing with constants.  */
      3
      4#ifndef _LINUX_CONST_H
      5#define _LINUX_CONST_H
      6
      7/* Some constant macros are used in both assembler and
      8 * C code.  Therefore we cannot annotate them always with
      9 * 'UL' and other type specifiers unilaterally.  We
     10 * use the following macros to deal with this.
     11 *
     12 * Similarly, _AT() will cast an expression with a type in C, but
     13 * leave it unchanged in asm.
     14 */
     15
     16#ifdef __ASSEMBLY__
     17#define _AC(X,Y)	X
     18#define _AT(T,X)	X
     19#else
     20#define __AC(X,Y)	(X##Y)
     21#define _AC(X,Y)	__AC(X,Y)
     22#define _AT(T,X)	((T)(X))
     23#endif
     24
     25#define _UL(x)		(_AC(x, UL))
     26#define _ULL(x)		(_AC(x, ULL))
     27
     28#define _BITUL(x)	(_UL(1) << (x))
     29#define _BITULL(x)	(_ULL(1) << (x))
     30
     31#define __ALIGN_KERNEL(x, a)		__ALIGN_KERNEL_MASK(x, (typeof(x))(a) - 1)
     32#define __ALIGN_KERNEL_MASK(x, mask)	(((x) + (mask)) & ~(mask))
     33
     34#define __KERNEL_DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
     35
     36#endif /* _LINUX_CONST_H */