From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?B?5p2O5pil5aWHIDxBcnRodXIgQ2h1bnFpIExpPg==?= Subject: [PATCH] Test case of emulating multibyte NOP Date: Wed, 5 Jun 2013 17:41:41 +0800 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Cc: Paolo Bonzini , Gleb Natapov To: kvm Return-path: Received: from mail-vb0-f45.google.com ([209.85.212.45]:37446 "EHLO mail-vb0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753041Ab3FEJlm (ORCPT ); Wed, 5 Jun 2013 05:41:42 -0400 Received: by mail-vb0-f45.google.com with SMTP id 12so926458vbf.4 for ; Wed, 05 Jun 2013 02:41:41 -0700 (PDT) Sender: kvm-owner@vger.kernel.org List-ID: Add multibyte NOP test case to kvm-unit-tests. This version adds test cases into x86/realmode.c. This can test one of bugs when booting RHEL5.9 64-bit. Signed-off-by: Arthur Chunqi Li --- x86/realmode.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/x86/realmode.c b/x86/realmode.c index 981be08..e6e48c9 100644 --- a/x86/realmode.c +++ b/x86/realmode.c @@ -1504,6 +1504,29 @@ static void test_fninit(void) report("fninit", 0, fsw == 0 && (fcw & 0x103f) == 0x003f); } +static void test_nopl(void) +{ + MK_INSN(nopl1, ".byte 0x90\n\r"); // 1 byte nop + MK_INSN(nopl2, ".byte 0x66, 0x90\n\r"); // 2 bytes nop + MK_INSN(nopl3, ".byte 0x0f, 0x1f, 0x00\n\r"); // 3 bytes nop + MK_INSN(nopl4, ".byte 0x0f, 0x1f, 0x40, 0x00\n\r"); // 4 bytes nop + MK_INSN(nopl5, ".byte 0x0f, 0x1f, 0x44, 0x00, 0x00\n\r"); // 5 bytes nop + MK_INSN(nopl6, ".byte 0x66, 0x0f, 0x1f, 0x44, 0x00, 0x00\n\r"); // 6 bytes nop + MK_INSN(nopl7, ".byte 0x0f, 0x1f, 0x80, 0x00, 0x00, 0x00, 0x00\n\r"); // 7 bytes nop + MK_INSN(nopl8, ".byte 0x0f, 0x1f, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00\n\r"); // 8 bytes nop + MK_INSN(nopl9, ".byte 0x66, 0x0f, 0x1f, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00\n\r"); // 9 bytes nop + exec_in_big_real_mode(&insn_nopl1); + exec_in_big_real_mode(&insn_nopl2); + exec_in_big_real_mode(&insn_nopl3); + exec_in_big_real_mode(&insn_nopl4); + exec_in_big_real_mode(&insn_nopl5); + exec_in_big_real_mode(&insn_nopl6); + exec_in_big_real_mode(&insn_nopl7); + exec_in_big_real_mode(&insn_nopl8); + exec_in_big_real_mode(&insn_nopl9); + report("nopl", 0, 1); +} + void realmode_start(void) { test_null(); @@ -1548,6 +1571,7 @@ void realmode_start(void) test_xlat(); test_salc(); test_fninit(); + test_nopl(); exit(0); } -- 1.7.9.5