rom/kernel/allockernelbase.c

   1 /*
   2     Copyright © 2011, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: Allocate kernel.resource base.
   6     Lang: english
   7 */
   8
   9 #include <exec/memory.h>
  10 #include <proto/exec.h>
  11
  12 #include LC_LIBDEFS_FILE
  13 #include <kernel_globals.h>
  14
  15 struct KernelBase *AllocKernelBase(struct ExecBase *SysBase)
  16 {
  17     APTR mem;
  18     ULONG i = FUNCTIONS_COUNT * LIB_VECTSIZE;
  19
  20     /* Align vector table size */
  21     i  = ((i - 1) / sizeof(IPTR) + 1) * sizeof(IPTR);
  22
  23     /* Allocate the memory */
  24     mem = AllocMem(i + sizeof(struct KernelBase), MEMF_PUBLIC|MEMF_CLEAR);
  25     if (!mem)
  26         return NULL;
  27
  28     /* Skip past the vector table */
  29     mem += i;
  30
  31     return mem;
  32 }