reactos/hal/halx86/generic/processor.c

   1 /*
   2  * PROJECT:         ReactOS HAL
   3  * LICENSE:         GPL - See COPYING in the top level directory
   4  * FILE:            hal/halx86/up/processor.c
   5  * PURPOSE:         HAL Processor Routines
   6  * PROGRAMMERS:     Alex Ionescu (alex.ionescu@reactos.org)
   7  */
   8
   9 /* INCLUDES ******************************************************************/
  10
  11 #include <hal.h>
  12 #define NDEBUG
  13 #include <debug.h>
  14
  15 LONG HalpActiveProcessors;
  16 KAFFINITY HalpDefaultInterruptAffinity;
  17
  18 /* PRIVATE FUNCTIONS *********************************************************/
  19
  20 VOID
  21 NTAPI
  22 HaliHaltSystem(VOID)
  23 {
  24     /* Disable interrupts and halt the CPU */
  25     _disable();
  26     __halt();
  27 }
  28
  29 /* FUNCTIONS *****************************************************************/
  30
  31 /*
  32  * @implemented
  33  */
  34 VOID
  35 NTAPI
  36 HalInitializeProcessor(IN ULONG ProcessorNumber,
  37                        IN PLOADER_PARAMETER_BLOCK LoaderBlock)
  38 {
  39     /* Set default IDR and stall count */
  40     KeGetPcr()->IDR = 0xFFFFFFFB;
  41     KeGetPcr()->StallScaleFactor = INITIAL_STALL_COUNT;
  42
  43     /* Update the interrupt affinity and processor mask */
  44     InterlockedBitTestAndSet(&HalpActiveProcessors, ProcessorNumber);
  45     InterlockedBitTestAndSet((PLONG)&HalpDefaultInterruptAffinity,
  46                              ProcessorNumber);
  47
  48     /* Register routines for KDCOM */
  49     HalpRegisterKdSupportFunctions();
  50 }
  51
  52 /*
  53  * @implemented
  54  */
  55 BOOLEAN
  56 NTAPI
  57 HalAllProcessorsStarted(VOID)
  58 {
  59     /* Do nothing */
  60     return TRUE;
  61 }
  62
  63 /*
  64  * @implemented
  65  */
  66 BOOLEAN
  67 NTAPI
  68 HalStartNextProcessor(IN PLOADER_PARAMETER_BLOCK LoaderBlock,
  69                       IN PKPROCESSOR_STATE ProcessorState)
  70 {
  71     /* Ready to start */
  72     return FALSE;
  73 }
  74
  75 /*
  76  * @implemented
  77  */
  78 VOID
  79 NTAPI
  80 HalProcessorIdle(VOID)
  81 {
  82     /* Enable interrupts and halt the processor */
  83     _enable();
  84     __halt();
  85 }
  86
  87 /*
  88  * @implemented
  89  */
  90 VOID
  91 NTAPI
  92 HalRequestIpi(KAFFINITY TargetProcessors)
  93 {
  94     /* Not implemented on UP */
  95     __debugbreak();
  96 }
  97
  98 /* EOF */