kernel/source/object/isr/exe_isr.c

   1 /**
   2  *  Hyper Operating System V4 Advance
   3  *
   4  * @file  exe_int.c
   5  * @brief %jp{割込みの処理}
   6  *
   7  * Copyright (C) 1998-2006 by Project HOS
   8  * http://sourceforge.jp/projects/hos/
   9  */
  10
  11
  12 #include "core/core.h"
  13 #include "object/isrobj.h"
  14
  15
  16 #if _KERNEL_SPT_ISR
  17
  18 /* %jp{割込みの処理} */
  19 void _kernel_exe_isr(INTNO intno)
  20 {
  21         _KERNEL_T_ISRCB_RO_PTR isrcb_ro;
  22         _KERNEL_T_ISRCB_PTR    isrcb;
  23         _KERNEL_T_ISRHDL       isrhdl;
  24
  25         isrhdl = _KERNEL_INT_GET_HEAD(intno);
  26
  27         /* %jp{ISRのフック} */
  28 #if _KERNEL_SPT_HOK_ISRSTA
  29         _kernel_isr_sta(intno);
  30 #endif
  31
  32         while ( isrhdl != _KERNEL_ISRHDL_NULL )
  33         {
  34                 isrcb    = _KERNEL_ISR_ISRHDL2ISRCB(isrhdl);
  35                 isrcb_ro = _KERNEL_ISR_ISRHDL2ISRCBRO(isrhdl);
  36
  37                 _KERNEL_ENA_INT();                      /* %jp{多重割込み許可} */
  38                 _KERNEL_ISR_GET_ISR(isrcb_ro)(_KERNEL_ISR_GET_EXINF(isrcb_ro));
  39                 _KERNEL_DIS_INT();                      /* %jp{割込み禁止} */
  40
  41                 isrhdl = _KERNEL_ISR_GET_NEXT(isrcb);
  42         }
  43
  44         /* %jp{ISRのフック} */
  45 #if _KERNEL_SPT_HOK_ISREND
  46         _kernel_isr_end(intno);
  47 #endif
  48 }
  49
  50 #endif
  51
  52
  53 /* end of file */