include/kernel/kernel.h

   1 /*
   2 ** Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
   3 ** Distributed under the terms of the NewOS License.
   4 */
   5 #ifndef _KERNEL_H
   6 #define _KERNEL_H
   7
   8 #include <kernel/ktypes.h>
   9 #include <kernel/arch/kernel.h>
  10 #include <sys/defines.h>
  11 #include <sys/errors.h>
  12
  13 #define ROUNDUP(a, b) (((a) + ((b)-1)) & ~((b)-1))
  14 #define ROUNDOWN(a, b) (((a) / (b)) * (b))
  15
  16 #define min(a, b) ((a) < (b) ? (a) : (b))
  17 #define max(a, b) ((a) > (b) ? (a) : (b))
  18
  19 #define CHECK_BIT(a, b) ((a) & (1 << (b)))
  20 #define SET_BIT(a, b) ((a) | (1 << (b)))
  21 #define CLEAR_BIT(a, b) ((a) & (~(1 << (b))))
  22
  23 #define _PACKED __attribute__((packed))
  24
  25 #endif
  26