reactos/hal/halx86/mp/halinit_mp.c

   1 /* $Id$
   2  *
   3  * COPYRIGHT:     See COPYING in the top level directory
   4  * PROJECT:       ReactOS kernel
   5  * FILE:          ntoskrnl/hal/x86/halinit.c
   6  * PURPOSE:       Initalize the x86 hal
   7  * PROGRAMMER:    David Welch (welch@cwcom.net)
   8  * UPDATE HISTORY:
   9  *              11/06/98: Created
  10  */
  11
  12 /* INCLUDES *****************************************************************/
  13
  14 #include <hal.h>
  15 #define NDEBUG
  16 #include <debug.h>
  17
  18 /* FUNCTIONS ***************************************************************/
  19
  20 extern BOOLEAN HaliFindSmpConfig(VOID);
  21 ULONG_PTR KernelBase;
  22
  23 /***************************************************************************/
  24 VOID
  25 HalpInitPhase0(PLOADER_PARAMETER_BLOCK LoaderBlock)
  26
  27 {
  28    static BOOLEAN MPSInitialized = FALSE;
  29
  30
  31    /* Only initialize MP system once. Once called the first time,
  32       each subsequent call is part of the initialization sequence
  33       for an application processor. */
  34
  35    DPRINT("HalpInitPhase0()\n");
  36
  37
  38    if (MPSInitialized)
  39    {
  40       KEBUGCHECK(0);
  41    }
  42
  43    MPSInitialized = TRUE;
  44
  45    if (!HaliFindSmpConfig())
  46    {
  47       KEBUGCHECK(0);
  48    }
  49
  50    /* store the kernel base for later use */
  51    KernelBase = ((PLOADER_MODULE)LoaderBlock->ModsAddr)[0].ModStart;
  52
  53 }
  54
  55 /* EOF */