gonzui

    1: /*
    2:  *----------------------------------------------------------------------
    3:  *    micro T-Kernel 3.00.01
    4:  *
    5:  *    Copyright (C) 2006-2020 by Ken Sakamura.
    6:  *    This software is distributed under the T-License 2.2.
    7:  *----------------------------------------------------------------------
    8:  *
    9:  *    Released by TRON Forum(http://www.tron.org) at 2020/05/29.
   10:  *
   11:  *----------------------------------------------------------------------
   12:  */
   13: 
   14: /*
   15:  *      syslib.h
   16:  *
   17:  *      micro T-Kernel System Library  (RXv2 core depended)
   18:  */
   19: 
   20: #ifndef __TK_SYSLIB_DEPEND_CORE_H__
   21: #define __TK_SYSLIB_DEPEND_CORE_H__
   22: 
   23: #include <tk/errno.h>
   24: #include <sys/sysdef.h>
   25: 
   26: /*----------------------------------------------------------------------*/
   27: /*
   28:  * CPU interrupt control for RXv2
   29:  *      'intsts' is the value of PSW register in CPU
   30:  *      disint()  Set PSW.IPL value to 15. And return the original PSW.IPL value.
   31:  *      setint()  Set PSW.IPL value to ipl.
   32:  */
   33: IMPORT UW disint( void );
   34: IMPORT void setint( UW intsts );
   35: 
   36: #define INTLEVEL_DI             (15)
   37: #define INTLEVEL_EI             (0)
   38: 
   39: #define DI(intsts)              ( (intsts) = disint() )
   40: #define EI(intsts)              ( setint(intsts) )
   41: #define isDI(intsts)            ( (intsts) == INTLEVEL_DI )
   42: 
   43: /*
   44:  * Convert to interrupt definition number
   45:  *
   46:  * For backward compatibility.
   47:  *      INTVEC has been obsoleted since micro T-Kernel 2.0.
   48:  */
   49: #define DINTNO(intvec)  (intvec)
   50: 
   51: #endif /* __TK_SYSLIB_DEPEND_CORE_H__ */