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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22/* 23 * Copyright 2006 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/* 30 * Assembly language support for the n2piupc N2 PIU performance counter driver. 31 */ 32 33#include <sys/asm_linkage.h> 34#include <sys/hypervisor_api.h> 35#include "n2piupc_acc.h" 36 37/*LINTLIBRARY*/ 38 39#if defined(lint) 40 41/*ARGSUSED*/ 42int 43n2piupc_get_perfreg(cntr_handle_t handle, int regid, uint64_t *data) 44{ return (0); } 45 46/*ARGSUSED*/ 47int 48n2piupc_set_perfreg(cntr_handle_t handle, int regid, uint64_t data) 49{ return (0); } 50 51#else /* lint */ 52 53 ENTRY(n2piupc_get_perfreg) 54 mov N2PIU_GET_PERFREG, %o5 55 ta FAST_TRAP 56 brz,a %o0, 1f 57 stx %o1, [%o2] 581: retl 59 nop 60 SET_SIZE(n2piupc_get_perfreg) 61 62 ENTRY(n2piupc_set_perfreg) 63 mov N2PIU_SET_PERFREG, %o5 64 ta FAST_TRAP 65 retl 66 nop 67 SET_SIZE(n2piupc_set_perfreg) 68 69#endif 70