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 (c) 1991-1994, by Sun Microsystems, Inc. 24 * All rights reserved. 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 prom entry point cannot be used once the kernel is up 34 * and running (after stop_mon_clock is called) since the kernel 35 * takes over level 14 interrupt handling which the PROM depends 36 * on to update the time. 37 */ 38 39 u_int 40 prom_gettime(void) 41 { 42 cell_t ci[4]; 43 44 ci[0] = p1275_ptr2cell("milliseconds"); /* Service name */ 45 ci[1] = (cell_t)0; /* #argument cells */ 46 ci[2] = (cell_t)1; /* #return cells */ 47 48 promif_preprom(); 49 (void) p1275_cif_handler(&ci); 50 promif_postprom(); 51 52 return (p1275_cell2uint(ci[3])); /* Res0: time in ms. */ 53 } 54