reactos/hal/halamd64/generic/mps.S

   1 /*
   2  * COPYRIGHT:       See COPYING in the top level directory
   3  * PROJECT:         ReactOS kernel
   4  * FILE:            ntoskrnl/hal/amd64/generic/mps.S
   5  * PURPOSE:         Intel MultiProcessor specification support
   6  * PROGRAMMER:      Casper S. Hornstrup (chorns@users.sourceforge.net)
   7  */
   8
   9 /* INCLUDES ******************************************************************/
  10
  11 #include <ndk/asm.h>
  12
  13 /* FUNCTIONS *****************************************************************/
  14
  15 #define BEFORE \
  16   cld; \
  17   pushq %rax; \
  18   pushq %rbx; \
  19   pushq %rcx; \
  20   pushq %rdx; \
  21   pushq %rsi; \
  22   pushq %rdi; \
  23   pushq %fs; \
  24   pushq %gs; \
  25
  26 #define AFTER \
  27   popq  %gs; \
  28   popq  %fs; \
  29   popq  %rdi; \
  30   popq  %rsi; \
  31   popq  %rdx; \
  32   popq  %rcx; \
  33   popq  %rbx; \
  34   popq  %rax; \
  35
  36 #ifdef CONFIG_SMP
  37 .global _MpsIpiInterrupt
  38 _MpsIpiInterrupt:
  39     /* Save registers */
  40     BEFORE
  41
  42     /* Call the C handler */
  43     call  _MpsIpiHandler
  44
  45     /* Return to the caller */
  46     AFTER
  47     iret
  48 #endif
  49
  50 .globl _MpsErrorInterrupt
  51 _MpsErrorInterrupt:
  52     /* Save registers */
  53     BEFORE
  54
  55     /* Call the C handler */
  56     call  _MpsErrorHandler
  57
  58     /* Return to the caller */
  59     AFTER
  60     iret
  61
  62
  63 .globl _MpsSpuriousInterrupt
  64 _MpsSpuriousInterrupt:
  65     /* Save registers */
  66     BEFORE
  67
  68     /* Call the C handler */
  69     call  _MpsSpuriousHandler
  70
  71     /* Return to the caller */
  72     AFTER
  73     iret
  74
  75 .global _MpsTimerInterrupt
  76 _MpsTimerInterrupt:
  77     /* Save registers */
  78     BEFORE
  79
  80     movl        $0xef,%ebx
  81         movl    $0xceafbeef,%eax
  82         pushq   %rax
  83         pushq   %rsp
  84         pushq   %rbx
  85         call    _MpsTimerHandler
  86         popq    %rax
  87         popq    %rax
  88         popq    %rax
  89
  90     /* Return to the caller */
  91         AFTER
  92         iret
  93
  94
  95 /* EOF */