1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <sys/promif.h> 30 #include <sys/promimpl.h> 31 32 /* 33 * This function is installed for both pre and post output during cpr to keep 34 * the early stages of the resuming kernel from accessing outside the nucleus 35 * mapping; we assert that the console is all powered up before it is installed 36 */ 37 static void 38 null_outfunc(void) 39 { 40 } 41 42 static promif_owrap_t nullwrapper = 43 { 44 null_outfunc, 45 null_outfunc 46 }; 47 48 static promif_owrap_t *wrapper = &nullwrapper; 49 static promif_owrap_t pmwrapper; 50 51 promif_owrap_t 52 *promif_preout(void) 53 { 54 promif_owrap_t *ow = wrapper; 55 (ow->preout)(); 56 return (ow); 57 } 58 59 void 60 promif_postout(promif_owrap_t *ow) 61 { 62 (ow->postout)(); 63 } 64 65 void 66 prom_set_outfuncs(void (*pref)(void), void (*postf)(void)) 67 { 68 pmwrapper.preout = pref; 69 pmwrapper.postout = postf; 70 wrapper = &pmwrapper; 71 } 72