From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Yongjun Subject: [PATCH] test: add test for btc instruction Date: Thu, 05 Aug 2010 14:09:15 +0800 Message-ID: <4C5A558B.1070804@cn.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=GB2312 Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org To: Avi Kivity , Paolo Bonzini Return-path: 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 Sender: kvm-owner@vger.kernel.org List-ID: This patch add test for btc instruction. Signed-off-by: Wei Yongjun --- x86/emulator.c | 16 ++++++++++++++++ 1 files changed, 16 insertions(+), 0 deletions(-) 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; -- 1.7.0.4