reactos/hal/halx86/misc.c

   1 /* $Id: misc.c,v 1.8 2004/11/28 01:30:01 hbirr Exp $
   2  *
   3  * COPYRIGHT:             See COPYING in the top level directory
   4  * PROJECT:               ReactOS kernel
   5  * FILE:                  ntoskrnl/hal/x86/misc.c
   6  * PURPOSE:               Miscellaneous hardware functions
   7  * PROGRAMMER:            Eric Kohl (ekohl@rz-online.de)
   8  */
   9
  10 /* INCLUDES *****************************************************************/
  11
  12 #include <roscfg.h>
  13 #include <ddk/ntddk.h>
  14 #include <hal.h>
  15
  16 #ifdef MP
  17 #include <apic.h>
  18 #endif
  19
  20 #define NDEBUG
  21 #include <internal/debug.h>
  22
  23 /* FUNCTIONS ****************************************************************/
  24
  25 #ifdef MP
  26
  27 VOID
  28 HaliReconfigurePciInterrupts(VOID);
  29
  30 #endif
  31
  32 VOID STDCALL
  33 HalHandleNMI(ULONG Unused)
  34 {
  35   UCHAR ucStatus;
  36
  37   ucStatus = READ_PORT_UCHAR((PUCHAR) 0x61);
  38
  39   HalDisplayString ("\n*** Hardware Malfunction\n\n");
  40   HalDisplayString ("Call your hardware vendor for support\n\n");
  41
  42   if (ucStatus & 0x80)
  43     HalDisplayString ("NMI: Parity Check / Memory Parity Error\n");
  44
  45   if (ucStatus & 0x40)
  46     HalDisplayString ("NMI: Channel Check / IOCHK\n");
  47
  48   HalDisplayString ("\n*** The system has halted ***\n");
  49   KeEnterKernelDebugger ();
  50 }
  51
  52
  53 VOID STDCALL
  54 HalProcessorIdle(VOID)
  55 {
  56 #if 1
  57   Ki386EnableInterrupts();
  58   Ki386HaltProcessor();
  59 #else
  60
  61 #endif
  62 }
  63
  64 VOID STDCALL
  65 HalRequestIpi(ULONG ProcessorNo)
  66 {
  67   DPRINT("HalRequestIpi(ProcessorNo %d)\n", ProcessorNo);
  68 #ifdef MP
  69   APICSendIPI(1 << ProcessorNo,
  70               IPI_VECTOR|APIC_ICR0_LEVEL_DEASSERT|APIC_ICR0_DESTM);
  71 #endif
  72 }
  73
  74 ULONG FASTCALL
  75 HalSystemVectorDispatchEntry (
  76         ULONG   Unknown1,
  77         ULONG   Unknown2,
  78         ULONG   Unknown3
  79         )
  80 {
  81   return 0;
  82 }
  83
  84
  85 VOID STDCALL
  86 KeFlushWriteBuffer(VOID)
  87 {
  88   return;
  89 }
  90
  91
  92 VOID STDCALL
  93 HalReportResourceUsage(VOID)
  94 {
  95   /*
  96    * FIXME: Report all resources used by hal.
  97    *        Calls IoReportHalResourceUsage()
  98    */
  99
 100   /* Initialize PCI bus. */
 101   HalpInitPciBus ();
 102 #ifdef MP
 103
 104   HaliReconfigurePciInterrupts();
 105 #endif
 106
 107 }
 108
 109 /* EOF */