sys/arch/arm/arm32/intr.c

   1 /*      $NetBSD: intr.c,v 1.29 2008/06/11 23:31:35 rafal Exp $  */
   2
   3 /*
   4  * Copyright (c) 1994-1998 Mark Brinicombe.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. All advertising materials mentioning features or use of this software
  16  *    must display the following acknowledgement:
  17  *      This product includes software developed by Mark Brinicombe
  18  *      for the NetBSD Project.
  19  * 4. The name of the company nor the name of the author may be used to
  20  *    endorse or promote products derived from this software without specific
  21  *    prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  24  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  25  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  26  * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
  27  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  28  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  29  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  *
  35  * Soft interrupt and other generic interrupt functions.
  36  */
  37
  38 #include <sys/cdefs.h>
  39 __KERNEL_RCSID(0, "$NetBSD: intr.c,v 1.29 2008/06/11 23:31:35 rafal Exp $");
  40
  41 #include <sys/param.h>
  42 #include <sys/systm.h>
  43 #include <sys/syslog.h>
  44 #include <sys/malloc.h>
  45 #include <sys/conf.h>
  46
  47 #include <uvm/uvm_extern.h>
  48
  49 #include <machine/intr.h>
  50 #include <machine/cpu.h>
  51
  52 #include <arm/arm32/machdep.h>
  53
  54 u_int spl_masks[NIPL];
  55 int safepri = IPL_NONE;
  56
  57 extern u_int irqmasks[];
  58
  59 void
  60 set_spl_masks(void)
  61 {
  62         int loop;
  63
  64         for (loop = 0; loop < NIPL; ++loop) {
  65                 spl_masks[loop] = 0xffffffff;
  66         }
  67
  68         spl_masks[IPL_VM]       = irqmasks[IPL_VM];
  69         spl_masks[IPL_SCHED]    = irqmasks[IPL_SCHED];
  70         spl_masks[IPL_HIGH]     = irqmasks[IPL_HIGH];
  71         spl_masks[IPL_NONE]     = irqmasks[IPL_NONE];
  72
  73 }
  74
  75 #ifdef DIAGNOSTIC
  76 void
  77 dump_spl_masks(void)
  78 {
  79         int loop;
  80
  81         for (loop = 0; loop < NIPL; ++loop)
  82                 printf("spl_masks[%d]=%08x\n", loop, spl_masks[loop]);
  83 }
  84 #endif
  85
  86 /* End of intr.c */