reactos/hal/halppc/generic/processor.c

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