x86_64-asm.S revision 1.4
11.4Sdsl/* $NetBSD: x86_64-asm.S,v 1.4 2013/01/07 23:20:42 dsl Exp $ */ 21.1Sad 31.1Sad/*- 41.1Sad * Copyright (c) 2007 The NetBSD Foundation, Inc. 51.1Sad * All rights reserved. 61.1Sad * 71.1Sad * Redistribution and use in source and binary forms, with or without 81.1Sad * modification, are permitted provided that the following conditions 91.1Sad * are met: 101.1Sad * 1. Redistributions of source code must retain the above copyright 111.1Sad * notice, this list of conditions and the following disclaimer. 121.1Sad * 2. Redistributions in binary form must reproduce the above copyright 131.1Sad * notice, this list of conditions and the following disclaimer in the 141.1Sad * documentation and/or other materials provided with the distribution. 151.1Sad * 161.1Sad * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 171.1Sad * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 181.1Sad * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 191.1Sad * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 201.1Sad * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 211.1Sad * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 221.1Sad * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 231.1Sad * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 241.1Sad * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 251.1Sad * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 261.1Sad * POSSIBILITY OF SUCH DAMAGE. 271.1Sad */ 281.1Sad 291.1Sad#include <machine/asm.h> 301.1Sad 311.1Sad .text 321.1Sad 331.1SadENTRY(x86_cpuid2) 341.1Sad pushq %rbx 351.1Sad movq %rdi, %rax 361.1Sad movq %rsi, %rcx 371.1Sad movq %rdx, %rsi 381.1Sad cpuid 391.1Sad movl %eax, 0(%rsi) 401.1Sad movl %ebx, 4(%rsi) 411.1Sad movl %ecx, 8(%rsi) 421.1Sad movl %edx, 12(%rsi) 431.1Sad popq %rbx 441.1Sad ret 451.1Sad 461.4SdslENTRY(x86_xgetbv) 471.4Sdsl xgetbv 481.4Sdsl ret 491.4Sdsl 501.1SadENTRY(x86_identify) 511.3Sdsl movl $-1,%eax 521.1Sad ret 53