From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Yongjun Subject: [PATCH v2] Add realmode test for jcxz instruction Date: Fri, 20 Aug 2010 08:52:56 +0800 Message-ID: <4C6DD1E8.20902@cn.fujitsu.com> References: <4C6CCE6C.4010502@cn.fujitsu.com> <4C6CCEF7.9040404@cn.fujitsu.com> <4C6D2C26.7030604@redhat.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]:64467 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751311Ab0HTAzF (ORCPT ); Thu, 19 Aug 2010 20:55:05 -0400 In-Reply-To: <4C6D2C26.7030604@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: Signed-off-by: Wei Yongjun --- x86/realmode.c | 62 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 62 insertions(+), 0 deletions(-) diff --git a/x86/realmode.c b/x86/realmode.c index ce8fb18..75d77bd 100644 --- a/x86/realmode.c +++ b/x86/realmode.c @@ -1262,6 +1262,67 @@ void test_cbw(void) print_serial("cwde test 1: PASS\n"); } +void test_jcxz(void) +{ + struct regs inregs = { 0 }, outregs; + + MK_INSN(jcxz1, "jcxz 1f\n\t" + "mov $0x1234, %eax\n\t" + "1:\n\t"); + MK_INSN(jcxz2, "mov $0x100, %ecx\n\t" + "jcxz 1f\n\t" + "mov $0x1234, %eax\n\t" + "mov $0, %ecx\n\t" + "1:\n\t"); + MK_INSN(jcxz3, "mov $0x10000, %ecx\n\t" + "jcxz 1f\n\t" + "mov $0x1234, %eax\n\t" + "1:\n\t"); + MK_INSN(jecxz1, "jecxz 1f\n\t" + "mov $0x1234, %eax\n\t" + "1:\n\t"); + MK_INSN(jecxz2, "mov $0x10000, %ecx\n\t" + "jecxz 1f\n\t" + "mov $0x1234, %eax\n\t" + "mov $0, %ecx\n\t" + "1:\n\t"); + + exec_in_big_real_mode(&inregs, &outregs, + insn_jcxz1, insn_jcxz1_end - insn_jcxz1); + if(!regs_equal(&inregs, &outregs, 0)) + print_serial("JCXZ short Test 1: FAIL\n"); + else + print_serial("JCXZ short Test 1: PASS\n"); + + exec_in_big_real_mode(&inregs, &outregs, + insn_jcxz2, insn_jcxz2_end - insn_jcxz2); + if(!regs_equal(&inregs, &outregs, R_AX) || outregs.eax != 0x1234) + print_serial("JCXZ short Test 2: FAIL\n"); + else + print_serial("JCXZ short Test 2: PASS\n"); + + exec_in_big_real_mode(&inregs, &outregs, + insn_jcxz3, insn_jcxz3_end - insn_jcxz3); + if(!regs_equal(&inregs, &outregs, R_CX) || outregs.ecx != 0x10000) + print_serial("JCXZ short Test 3: FAIL\n"); + else + print_serial("JCXZ short Test 3: PASS\n"); + + exec_in_big_real_mode(&inregs, &outregs, + insn_jecxz1, insn_jecxz1_end - insn_jecxz1); + if(!regs_equal(&inregs, &outregs, 0)) + print_serial("JECXZ short Test 1: FAIL\n"); + else + print_serial("JECXZ short Test 1: PASS\n"); + + exec_in_big_real_mode(&inregs, &outregs, + insn_jecxz2, insn_jecxz2_end - insn_jecxz2); + if(!regs_equal(&inregs, &outregs, R_AX) || outregs.eax != 0x1234) + print_serial("JECXZ short Test 2: FAIL\n"); + else + print_serial("JECXZ short Test 2: PASS\n"); +} + void realmode_start(void) { test_null(); @@ -1291,6 +1352,7 @@ void realmode_start(void) test_idiv(); test_loopcc(); test_cbw(); + test_jcxz(); exit(0); } -- 1.7.0.4