arch/m68k-mac/exec/enable.c

   1 /*
   2     Copyright © 1995-2013, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: Enable() - Allow interrupts to occur after Disable().
   6     Lang: english
   7 */
   8
   9 #include <exec/types.h>
  10 #include <exec/execbase.h>
  11 #include <aros/libcall.h>
  12 #include <asm/registers.h>
  13
  14 #define DEBUG 1
  15 #include <aros/debug.h>
  16
  17 #undef Exec
  18 #ifdef UseExecstubs
  19 #    define Exec _Exec
  20 #endif
  21
  22 #include <proto/exec.h>
  23
  24 /* See rom/exec/enable.c for documentation */
  25
  26 AROS_LH0(void, Enable,
  27     struct ExecBase *, SysBase, 21, Exec)
  28 {
  29 #undef Exec
  30
  31         AROS_LIBFUNC_INIT
  32
  33         if( --SysBase->IDNestCnt < 0) {
  34                 /*
  35                  * Enable interrupt by allowing all of them.
  36                  */
  37                 SetSR(0,0x700);
  38         }
  39
  40         AROS_LIBFUNC_EXIT
  41 } /* Enable() */