reactos/hal/halx86/up/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 #ifdef _M_IX86
  41     KeGetPcr()->IDR = 0xFFFFFFFB;
  42 #endif
  43     KeGetPcr()->StallScaleFactor = INITIAL_STALL_COUNT;
  44
  45     /* Update the interrupt affinity and processor mask */
  46     InterlockedBitTestAndSet(&HalpActiveProcessors, ProcessorNumber);
  47     InterlockedBitTestAndSet((PLONG)&HalpDefaultInterruptAffinity,
  48                              ProcessorNumber);
  49
  50     /* Register routines for KDCOM */
  51     HalpRegisterKdSupportFunctions();
  52 }
  53
  54 /*
  55  * @implemented
  56  */
  57 BOOLEAN
  58 NTAPI
  59 HalAllProcessorsStarted(VOID)
  60 {
  61     /* Do nothing */
  62     return TRUE;
  63 }
  64
  65 /*
  66  * @implemented
  67  */
  68 BOOLEAN
  69 NTAPI
  70 HalStartNextProcessor(IN PLOADER_PARAMETER_BLOCK LoaderBlock,
  71                       IN PKPROCESSOR_STATE ProcessorState)
  72 {
  73     /* Ready to start */
  74     return FALSE;
  75 }
  76
  77 /*
  78  * @implemented
  79  */
  80 VOID
  81 NTAPI
  82 HalProcessorIdle(VOID)
  83 {
  84     /* Enable interrupts and halt the processor */
  85     _enable();
  86     __halt();
  87 }
  88
  89 /*
  90  * @implemented
  91  */
  92 VOID
  93 NTAPI
  94 HalRequestIpi(KAFFINITY TargetProcessors)
  95 {
  96     /* Not implemented on UP */
  97     __debugbreak();
  98 }
  99
 100 /* EOF */