arch/ppc-chrp/pegasos/kernel/kernel_bootmem.c

   1 /*
   2     Copyright © 1995-2014, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 /*
   7  * Boot-time memory management functions.
   8  * In fact this is just a placeholder. All this can be seriously improved.
   9  */
  10
  11 #include <string.h>
  12
  13 #include "kernel_bootmem.h"
  14 #include "kernel_intern.h"
  15
  16 void *krnAllocBootMem(unsigned int size)
  17 {
  18     return krnAllocBootMemAligned(size, sizeof(void *));
  19 }
  20
  21 void *krnAllocBootMemAligned(unsigned int size, unsigned int align)
  22 {
  23     void *addr = (void *)AROS_ROUNDUP2(__BootData->bd_BootMem, align);
  24
  25     __BootData->bd_BootMem = addr + size;
  26     /* Clear the allocated memory. In many places we expect it. */
  27     memset(addr, 0, size);
  28
  29     return addr;
  30 }