1*0Sstevel@tonic-gate/* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate/* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate#pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate#if !defined(__lint) 30*0Sstevel@tonic-gate#include <sys/asm_linkage.h> 31*0Sstevel@tonic-gate#include <sys/privregs.h> 32*0Sstevel@tonic-gate#endif 33*0Sstevel@tonic-gate 34*0Sstevel@tonic-gate/* 35*0Sstevel@tonic-gate * The interface for a client programs that call the 64-bit romvec OBP 36*0Sstevel@tonic-gate */ 37*0Sstevel@tonic-gate 38*0Sstevel@tonic-gate#if defined(__lint) 39*0Sstevel@tonic-gate/* ARGSUSED */ 40*0Sstevel@tonic-gateint 41*0Sstevel@tonic-gateclient_handler(void *cif_handler, void *arg_array) 42*0Sstevel@tonic-gate{ 43*0Sstevel@tonic-gate return (0); 44*0Sstevel@tonic-gate} 45*0Sstevel@tonic-gate#else /* __lint */ 46*0Sstevel@tonic-gate 47*0Sstevel@tonic-gate ENTRY(client_handler) 48*0Sstevel@tonic-gate save %sp, -SA64(MINFRAME64), %sp ! 32 bit frame, 64 bit sized 49*0Sstevel@tonic-gate mov %i1, %o0 50*0Sstevel@tonic-gate1: 51*0Sstevel@tonic-gate rdpr %pstate, %l4 ! Get the present pstate value 52*0Sstevel@tonic-gate andn %l4, PSTATE_AM, %l6 53*0Sstevel@tonic-gate wrpr %l6, 0, %pstate ! Set PSTATE_AM = 0 54*0Sstevel@tonic-gate jmpl %i0, %o7 ! Call cif handler 55*0Sstevel@tonic-gate nop 56*0Sstevel@tonic-gate wrpr %l4, 0, %pstate ! Just restore 57*0Sstevel@tonic-gate ret ! Return result ... 58*0Sstevel@tonic-gate restore %o0, %g0, %o0 ! delay; result in %o0 59*0Sstevel@tonic-gate SET_SIZE(client_handler) 60*0Sstevel@tonic-gate 61*0Sstevel@tonic-gate#endif /* __lint */ 62