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00001 /* $Id: processor.c 23907 2006-09-04 05:52:23Z arty $
00002  *
00003  * COPYRIGHT:       See COPYING in the top level directory
00004  * PROJECT:         ReactOS kernel
00005  * FILE:            hal/halx86/generic/processor.c
00006  * PURPOSE:         Intel MultiProcessor specification support
00007  * PROGRAMMER:      David Welch (welch@cwcom.net)
00008  *                  Casper S. Hornstrup (chorns@users.sourceforge.net)
00009  * NOTES:           Parts adapted from linux SMP code
00010  * UPDATE HISTORY:
00011  *     22/05/1998  DW   Created
00012  *     12/04/2001  CSH  Added MultiProcessor specification support
00013  */
00014 
00015 /* INCLUDES *****************************************************************/
00016 
00017 #include <hal.h>
00018 #define NDEBUG
00019 #include <debug.h>
00020 
00021 /* FUNCTIONS *****************************************************************/
00022 
00023 #define INITIAL_STALL_COUNT 0x10000
00024 
00025 VOID NTAPI
00026 HalInitializeProcessor(ULONG ProcessorNumber,
00027                        PLOADER_PARAMETER_BLOCK LoaderBlock)
00028 {
00029     DPRINT("HalInitializeProcessor(%lu %p)\n", ProcessorNumber, LoaderBlock);
00030     KeGetPcr()->StallScaleFactor = INITIAL_STALL_COUNT;
00031 }
00032 
00033 BOOLEAN NTAPI
00034 HalAllProcessorsStarted (VOID)
00035 {
00036   DPRINT("HalAllProcessorsStarted()\n");
00037 
00038   return TRUE;
00039 }
00040 
00041 NTHALAPI
00042 BOOLEAN
00043 NTAPI
00044 HalStartNextProcessor(
00045     IN struct _LOADER_PARAMETER_BLOCK *LoaderBlock,
00046     IN PKPROCESSOR_STATE ProcessorState
00047     )
00048 {
00049   DPRINT("HalStartNextProcessor(0x%lx 0x%lx)\n", LoaderBlock, ProcessorState);
00050 
00051   return TRUE;
00052 }
00053 
00054 /*
00055  * @implemented
00056  */
00057 VOID
00058 NTAPI
00059 HalProcessorIdle(VOID)
00060 {
00061     /* Enable interrupts and halt the processor */
00062     _enable();
00063 }
00064 
00065 /*
00066  * @implemented
00067  */
00068 VOID
00069 NTAPI
00070 HalRequestIpi(ULONG Reserved)
00071 {
00072     /* Not implemented on NT */
00073     __debugbreak();
00074 }
00075 
00076 /* EOF */
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