From patchwork Mon Feb 3 03:20:44 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexey Kardashevskiy X-Patchwork-Id: 11362003 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1965E14D5 for ; Mon, 3 Feb 2020 03:21:25 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 9A1EC20721 for ; Mon, 3 Feb 2020 03:21:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9A1EC20721 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ozlabs.ru Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:33662 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iySId-0005l7-Gp for patchwork-qemu-devel@patchwork.kernel.org; Sun, 02 Feb 2020 22:21:23 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:48303) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iySI7-0005Eb-4U for qemu-devel@nongnu.org; Sun, 02 Feb 2020 22:20:52 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iySI5-000215-6v for qemu-devel@nongnu.org; Sun, 02 Feb 2020 22:20:50 -0500 Received: from [107.174.27.60] (port=36746 helo=ozlabs.ru) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1iySI5-0001xF-1i; Sun, 02 Feb 2020 22:20:49 -0500 Received: from fstn1-p1.ozlabs.ibm.com (localhost [IPv6:::1]) by ozlabs.ru (Postfix) with ESMTP id C6042AE8000F; Sun, 2 Feb 2020 22:19:20 -0500 (EST) From: Alexey Kardashevskiy To: qemu-devel@nongnu.org Subject: [PATCH qemu] spapr/rtas: Print message from "ibm,os-term" Date: Mon, 3 Feb 2020 14:20:44 +1100 Message-Id: <20200203032044.118585-1-aik@ozlabs.ru> X-Mailer: git-send-email 2.17.1 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 107.174.27.60 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Alexey Kardashevskiy , qemu-ppc@nongnu.org, David Gibson Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" The "ibm,os-term" RTAS call has a single parameter which is a pointer to a message from the guest kernel about the termination cause; this prints it. Signed-off-by: Alexey Kardashevskiy Reviewed-by: Daniel Henrique Barboza --- hw/ppc/spapr_rtas.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/hw/ppc/spapr_rtas.c b/hw/ppc/spapr_rtas.c index 883fe28465e6..656fdd221665 100644 --- a/hw/ppc/spapr_rtas.c +++ b/hw/ppc/spapr_rtas.c @@ -345,6 +345,13 @@ static void rtas_ibm_os_term(PowerPCCPU *cpu, target_ulong args, uint32_t nret, target_ulong rets) { + target_ulong msgaddr = rtas_ld(args, 0); + char msg[512]; + + cpu_physical_memory_read(msgaddr, msg, sizeof(msg) - 1); + msg[sizeof(msg) - 1] = 0; + + error_report("OS terminated: %s", msg); qemu_system_guest_panicked(NULL); rtas_st(rets, 0, RTAS_OUT_SUCCESS);