hal/halppc/generic/processor.c

   1 /* $Id: processor.c 23907 2006-09-04 05:52:23Z arty $
   2  *
   3  * COPYRIGHT:       See COPYING in the top level directory
   4  * PROJECT:         ReactOS kernel
   5  * FILE:            hal/halx86/generic/processor.c
   6  * PURPOSE:         Intel MultiProcessor specification support
   7  * PROGRAMMER:      David Welch (welch@cwcom.net)
   8  *                  Casper S. Hornstrup (chorns@users.sourceforge.net)
   9  * NOTES:           Parts adapted from linux SMP code
  10  * UPDATE HISTORY:
  11  *     22/05/1998  DW   Created
  12  *     12/04/2001  CSH  Added MultiProcessor specification support
  13  */
  14
  15 /* INCLUDES *****************************************************************/
  16
  17 #include <hal.h>
  18 #define NDEBUG
  19 #include <debug.h>
  20
  21 /* FUNCTIONS *****************************************************************/
  22
  23 #define INITIAL_STALL_COUNT 0x10000
  24
  25 VOID NTAPI
  26 HalInitializeProcessor(ULONG ProcessorNumber,
  27                        PLOADER_PARAMETER_BLOCK LoaderBlock)
  28 {
  29     DPRINT("HalInitializeProcessor(%lu %p)\n", ProcessorNumber, LoaderBlock);
  30     KeGetPcr()->StallScaleFactor = INITIAL_STALL_COUNT;
  31 }
  32
  33 BOOLEAN NTAPI
  34 HalAllProcessorsStarted (VOID)
  35 {
  36   DPRINT("HalAllProcessorsStarted()\n");
  37
  38   return TRUE;
  39 }
  40
  41 NTHALAPI
  42 BOOLEAN
  43 NTAPI
  44 HalStartNextProcessor(
  45     IN struct _LOADER_PARAMETER_BLOCK *LoaderBlock,
  46     IN PKPROCESSOR_STATE ProcessorState
  47     )
  48 {
  49   DPRINT("HalStartNextProcessor(0x%lx 0x%lx)\n", LoaderBlock, ProcessorState);
  50
  51   return TRUE;
  52 }
  53
  54 /*
  55  * @implemented
  56  */
  57 VOID
  58 NTAPI
  59 HalProcessorIdle(VOID)
  60 {
  61     /* Enable interrupts and halt the processor */
  62     _enable();
  63 }
  64
  65 /*
  66  * @implemented
  67  */
  68 VOID
  69 NTAPI
  70 HalRequestIpi(ULONG Reserved)
  71 {
  72     /* Not implemented on NT */
  73     __debugbreak();
  74 }
  75
  76 /* EOF */