From: Arthur Chunqi Li Subject: [PATCH] kvm-unit-tests: Test case of emulating multibyte NOP Date: Thu, 6 Jun 2013 15:38:29 +0800 Message-ID: <1370504309-6985-1-git-send-email-yzt356@gmail.com> Cc: gleb@redhat.com, pbonzini@redhat.com, Arthur Chunqi Li To: kvm@vger.kernel.org Return-path: Received: from mail-pd0-f182.google.com ([209.85.192.182]:58827 "EHLO mail-pd0-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754764Ab3FFHip (ORCPT ); Thu, 6 Jun 2013 03:38:45 -0400 Received: by mail-pd0-f182.google.com with SMTP id g10so2989875pdj.13 for ; Thu, 06 Jun 2013 00:38:45 -0700 (PDT) Sender: kvm-owner@vger.kernel.org List-ID: Add multibyte (1 to 4-bytes) NOPL test case to kvm-unit-tests x86/realmode.c. This test only consist of 16-bit NOPL insn, other test cases (5 to 9-bytes NOPL) should be placed in x86/emulator.c. Signed-off-by: Arthur Chunqi Li --- x86/realmode.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/x86/realmode.c b/x86/realmode.c index 981be08..3546771 100644 --- a/x86/realmode.c +++ b/x86/realmode.c @@ -1504,6 +1504,19 @@ 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 + 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); + report("nopl", 0, 1); +} + void realmode_start(void) { test_null(); @@ -1548,6 +1561,7 @@ void realmode_start(void) test_xlat(); test_salc(); test_fninit(); + test_nopl(); exit(0); } -- 1.7.9.5