From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Yongjun Subject: [PATCH] test: Add realmode test for loopcc instruction Date: Wed, 18 Aug 2010 16:41:53 +0800 Message-ID: <4C6B9CD1.90407@cn.fujitsu.com> References: <4C6B9BFD.1000904@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 Return-path: Received: from cn.fujitsu.com ([222.73.24.84]:51611 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752239Ab0HRIoQ (ORCPT ); Wed, 18 Aug 2010 04:44:16 -0400 In-Reply-To: <4C6B9BFD.1000904@cn.fujitsu.com> Sender: kvm-owner@vger.kernel.org List-ID: Signed-off-by: Wei Yongjun --- x86/realmode.c | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 43 insertions(+), 0 deletions(-) diff --git a/x86/realmode.c b/x86/realmode.c index 35f6a16..bedd175 100644 --- a/x86/realmode.c +++ b/x86/realmode.c @@ -1194,6 +1194,48 @@ void test_idiv() print_serial("idiv Test 3: PASS\n"); } +void test_loopcc(void) +{ + struct regs inregs = { 0 }, outregs; + + MK_INSN(loop, "mov $10, %ecx\n\t" + "1: inc %eax\n\t" + "loop 1b\n\t"); + + MK_INSN(loope, "mov $10, %ecx\n\t" + "mov $1, %eax\n\t" + "1: dec %eax\n\t" + "loope 1b\n\t"); + + MK_INSN(loopne, "mov $10, %ecx\n\t" + "mov $5, %eax\n\t" + "1: dec %eax\n\t" + "loopne 1b\n\t"); + + exec_in_big_real_mode(&inregs, &outregs, + insn_loop, insn_loop_end - insn_loop); + if(!regs_equal(&inregs, &outregs, R_AX) || outregs.eax != 10) + print_serial("LOOPcc short Test 1: FAIL\n"); + else + print_serial("LOOPcc short Test 1: PASS\n"); + + exec_in_big_real_mode(&inregs, &outregs, + insn_loope, insn_loope_end - insn_loope); + if(!regs_equal(&inregs, &outregs, R_AX | R_CX) || + outregs.eax != -1 || outregs.ecx != 8) + print_serial("LOOPcc short Test 2: FAIL\n"); + else + print_serial("LOOPcc short Test 2: PASS\n"); + + exec_in_big_real_mode(&inregs, &outregs, + insn_loopne, insn_loopne_end - insn_loopne); + if(!regs_equal(&inregs, &outregs, R_AX | R_CX) || + outregs.eax != 0 || outregs.ecx != 5) + print_serial("LOOPcc short Test 3: FAIL\n"); + else + print_serial("LOOPcc short Test 3: PASS\n"); +} + void realmode_start(void) { test_null(); @@ -1221,6 +1263,7 @@ void realmode_start(void) test_mul(); test_div(); test_idiv(); + test_loopcc(); exit(0); } -- 1.7.0.4