1 /* $NetBSD: intr.c,v 1.30 2008/11/19 06:30:49 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 1.30 2008/11/19 06:30:49 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/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 */ 87