From patchwork Thu Aug 5 06:09:15 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wei Yongjun X-Patchwork-Id: 117215 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.4/8.14.3) with ESMTP id o756BCDl016811 for ; Thu, 5 Aug 2010 06:11:12 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757655Ab0HEGLK (ORCPT ); Thu, 5 Aug 2010 02:11:10 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:59805 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1756643Ab0HEGLJ (ORCPT ); Thu, 5 Aug 2010 02:11:09 -0400 Received: from tang.cn.fujitsu.com (tang.cn.fujitsu.com [10.167.250.3]) by song.cn.fujitsu.com (Postfix) with ESMTP id 83D99170119; Thu, 5 Aug 2010 14:11:07 +0800 (CST) Received: from fnst.cn.fujitsu.com (tang.cn.fujitsu.com [127.0.0.1]) by tang.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id o75684cR012164; Thu, 5 Aug 2010 14:08:04 +0800 Received: from [10.167.141.76] (unknown [10.167.141.76]) by fnst.cn.fujitsu.com (Postfix) with ESMTPA id 2CA4410C1AC; Thu, 5 Aug 2010 14:11:55 +0800 (CST) Message-ID: <4C5A558B.1070804@cn.fujitsu.com> Date: Thu, 05 Aug 2010 14:09:15 +0800 From: Wei Yongjun User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.10) Gecko/20100528 Thunderbird/3.0.5 MIME-Version: 1.0 To: Avi Kivity , Paolo Bonzini CC: kvm@vger.kernel.org Subject: [PATCH] test: add test for btc instruction Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter.kernel.org [140.211.167.41]); Thu, 05 Aug 2010 06:11:13 +0000 (UTC) diff --git a/x86/emulator.c b/x86/emulator.c index eefb764..e278812 100644 --- a/x86/emulator.c +++ b/x86/emulator.c @@ -360,6 +360,21 @@ void test_xchg(void *mem) rax == 0x123456789abcdef && *memq == 0xfedcba9876543210); } +void test_btc(void *mem) +{ + unsigned int *a = mem; + + memset(mem, 0, 3 * sizeof(unsigned int)); + + asm ("btcl $32, %0" :: "m"(a[0]) : "memory"); + asm ("btcl $1, %0" :: "m"(a[1]) : "memory"); + asm ("btcl %1, %0" :: "m"(a[0]), "r"(66) : "memory"); + report("btcl imm8, r/m", a[0] == 1 && a[1] == 2 && a[2] == 4); + + asm ("btcl %1, %0" :: "m"(a[3]), "r"(-1) : "memory"); + report("btcl reg, r/m", a[0] == 1 && a[1] == 2 && a[2] == 0x80000004); +} + int main() { void *mem; @@ -391,6 +406,7 @@ int main() test_ljmp(mem); test_stringio(); test_incdecnotneg(mem); + test_btc(mem); printf("\nSUMMARY: %d tests, %d failures\n", tests, fails); return fails ? 1 : 0;