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intr.c revision 1.28 
      1 /*	$NetBSD: intr.c,v 1.28 2008/04/27 18:58:44 matt 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 1.28 2008/04/27 18:58:44 matt 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/atomic.h>
     50 #include <machine/intr.h>
     51 #include <machine/cpu.h>
     52 
     53 #include <arm/arm32/machdep.h>
     54 
     55 u_int spl_masks[NIPL];
     56 int safepri = IPL_NONE;
     57 
     58 extern u_int irqmasks[];
     59 
     60 void
     61 set_spl_masks(void)
     62 {
     63 	int loop;
     64 
     65 	for (loop = 0; loop < NIPL; ++loop) {
     66 		spl_masks[loop] = 0xffffffff;
     67 	}
     68 
     69 	spl_masks[IPL_VM]	= irqmasks[IPL_VM];
     70 	spl_masks[IPL_SCHED]	= irqmasks[IPL_SCHED];
     71 	spl_masks[IPL_HIGH]	= irqmasks[IPL_HIGH];
     72 	spl_masks[IPL_NONE]	= 0;
     73 
     74 }
     75 
     76 #ifdef DIAGNOSTIC
     77 void
     78 dump_spl_masks(void)
     79 {
     80 	int loop;
     81 
     82 	for (loop = 0; loop < NIPL; ++loop)
     83 		printf("spl_masks[%d]=%08x\n", loop, spl_masks[loop]);
     84 }
     85 #endif
     86 
     87 /* End of intr.c */
     88