From patchwork Wed Sep 4 21:12:17 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bruce Rogers X-Patchwork-Id: 2853854 Return-Path: X-Original-To: patchwork-kvm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id E849F9F485 for ; Wed, 4 Sep 2013 21:13:12 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 78B9420499 for ; Wed, 4 Sep 2013 21:13:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EF13620454 for ; Wed, 4 Sep 2013 21:13:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761433Ab3IDVM6 (ORCPT ); Wed, 4 Sep 2013 17:12:58 -0400 Received: from [137.65.135.21] ([137.65.135.21]:58792 "EHLO suse.com" rhost-flags-FAIL-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1761314Ab3IDVM6 (ORCPT ); Wed, 4 Sep 2013 17:12:58 -0400 Received: by suse.com (Postfix, from userid 1000) id C7D4A30C547; Wed, 4 Sep 2013 15:12:30 -0600 (MDT) From: Bruce Rogers To: gleb@redhat.com, pbonzini@redhat.com Cc: kvm@vger.kernel.org, Bruce Rogers Subject: [PATCH kvm-unit-tests] realmode: test RETF imm Date: Wed, 4 Sep 2013 15:12:17 -0600 Message-Id: <1378329137-21399-1-git-send-email-brogers@suse.com> X-Mailer: git-send-email 1.7.7 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Spam-Status: No, score=-9.3 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Bruce Rogers Reviewed-by: Gleb Natapov --- x86/realmode.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/x86/realmode.c b/x86/realmode.c index 3546771..c57e033 100644 --- a/x86/realmode.c +++ b/x86/realmode.c @@ -481,6 +481,9 @@ void test_io(void) asm ("retf: lretw"); extern void retf(); +asm ("retf_imm: lretw $10"); +extern void retf_imm(); + void test_call(void) { u32 esp[16]; @@ -503,6 +506,7 @@ void test_call(void) MK_INSN(call_far1, "lcallw *(%ebx)\n\t"); MK_INSN(call_far2, "lcallw $0, $retf\n\t"); MK_INSN(ret_imm, "sub $10, %sp; jmp 2f; 1: retw $10; 2: callw 1b"); + MK_INSN(retf_imm, "sub $10, %sp; lcallw $0, $retf_imm"); exec_in_big_real_mode(&insn_call1); report("call 1", R_AX, outregs.eax == 0x1234); @@ -523,6 +527,9 @@ void test_call(void) exec_in_big_real_mode(&insn_ret_imm); report("ret imm 1", 0, 1); + + exec_in_big_real_mode(&insn_retf_imm); + report("retf imm 1", 0, 1); } void test_jcc_short(void)