From patchwork Tue Apr 16 03:53:57 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: liguang X-Patchwork-Id: 236835 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id C36A02C00E1 for ; Tue, 16 Apr 2013 13:57:12 +1000 (EST) Received: from localhost ([::1]:45241 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1URx14-00064W-QE for incoming@patchwork.ozlabs.org; Mon, 15 Apr 2013 23:57:10 -0400 Received: from eggs.gnu.org ([208.118.235.92]:42083) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1URwzb-0004R2-9H for qemu-devel@nongnu.org; Mon, 15 Apr 2013 23:55:41 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1URwzZ-0006xZ-8e for qemu-devel@nongnu.org; Mon, 15 Apr 2013 23:55:39 -0400 Received: from [222.73.24.84] (port=50152 helo=song.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1URwzY-0006x8-Ul for qemu-devel@nongnu.org; Mon, 15 Apr 2013 23:55:37 -0400 X-IronPort-AV: E=Sophos;i="4.87,482,1363104000"; d="scan'208";a="7063700" Received: from unknown (HELO tang.cn.fujitsu.com) ([10.167.250.3]) by song.cn.fujitsu.com with ESMTP; 16 Apr 2013 11:52:54 +0800 Received: from fnstmail02.fnst.cn.fujitsu.com (tang.cn.fujitsu.com [127.0.0.1]) by tang.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id r3G3tVlA004771 for ; Tue, 16 Apr 2013 11:55:34 +0800 Received: from liguang.fnst.cn.fujitsu.com ([10.167.233.147]) by fnstmail02.fnst.cn.fujitsu.com (Lotus Domino Release 8.5.3) with ESMTP id 2013041611541071-580983 ; Tue, 16 Apr 2013 11:54:10 +0800 From: liguang To: qemu-devel@nongnu.org Date: Tue, 16 Apr 2013 11:53:57 +0800 Message-Id: <1366084439-7475-1-git-send-email-lig.fnst@cn.fujitsu.com> X-Mailer: git-send-email 1.7.2.5 X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/04/16 11:54:10, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/04/16 11:54:14, Serialize complete at 2013/04/16 11:54:14 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 222.73.24.84 Cc: liguang Subject: [Qemu-devel] [PATCH v3 1/3] debugcon: fix always print "addr=0x0, val=0x0" bug X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org when use DEBUG_DEBUGCON, screen spits: debugcon: write addr=0x0000 val=0x00 Rdebugcon: write addr=0x0000 val=0x00 udebugcon: write addr=0x0000 val=0x00 ndebugcon: write addr=0x0000 val=0x00 ndebugcon: write addr=0x0000 val=0x00 idebugcon: write addr=0x0000 val=0x00 ndebugcon: write addr=0x0000 val=0x00 gdebugcon: write addr=0x0000 val=0x00 debugcon: write addr=0x0000 val=0x00 odebugcon: write addr=0x0000 val=0x00 pdebugcon: write addr=0x0000 val=0x00 tdebugcon: write addr=0x0000 val=0x00 idebugcon: write addr=0x0000 val=0x00 odebugcon: write addr=0x0000 val=0x00 ndebugcon: write addr=0x0000 val=0x00 debugcon: write addr=0x0000 val=0x00 rdebugcon: write addr=0x0000 val=0x00 odebugcon: write addr=0x0000 val=0x00 mdebugcon: write addr=0x0000 val=0x00 debugcon: write addr=0x0000 val=0x00 adebugcon: write addr=0x0000 val=0x00 tdebugcon: write addr=0x0000 val=0x00 debugcon: write addr=0x0000 val=0x00 Oh, that's wrong, val is not always be 0. this bug caused by lack of length modifier for specifier 'x'. Signed-off-by: liguang --- hw/char/debugcon.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/hw/char/debugcon.c b/hw/char/debugcon.c index 0588eeb..44c93e1 100644 --- a/hw/char/debugcon.c +++ b/hw/char/debugcon.c @@ -55,7 +55,7 @@ static void debugcon_ioport_write(void *opaque, hwaddr addr, uint64_t val, unsigned char ch = val; #ifdef DEBUG_DEBUGCON - printf("debugcon: write addr=0x%04x val=0x%02x\n", addr, val); + printf("debugcon: write addr=0x%04" HWADDR_PRIx " val=0x%02x\n", addr, val); #endif qemu_chr_fe_write(s->chr, &ch, 1);