From patchwork Fri Feb 21 03:36:31 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Gibson X-Patchwork-Id: 11395449 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 8015C1395 for ; Fri, 21 Feb 2020 03:38:14 +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 209F4208E4 for ; Fri, 21 Feb 2020 03:38:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=gibson.dropbear.id.au header.i=@gibson.dropbear.id.au header.b="dv7wkvEm" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 209F4208E4 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=gibson.dropbear.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:51684 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j4z8m-0003t2-2U for patchwork-qemu-devel@patchwork.kernel.org; Thu, 20 Feb 2020 22:38:13 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:48467) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j4z7l-0001sT-1F for qemu-devel@nongnu.org; Thu, 20 Feb 2020 22:37:10 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j4z7j-0007vL-Th for qemu-devel@nongnu.org; Thu, 20 Feb 2020 22:37:08 -0500 Received: from bilbo.ozlabs.org ([2401:3900:2:1::2]:41281 helo=ozlabs.org) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1j4z7j-0007aV-Gd; Thu, 20 Feb 2020 22:37:07 -0500 Received: by ozlabs.org (Postfix, from userid 1007) id 48NxwB2f3jz9sSH; Fri, 21 Feb 2020 14:36:58 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1582256218; bh=d7Oo57xSePtAPZw1vQ7lnHZ7unAZbPpu/m8dqU1L7nw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dv7wkvEmGHVXsHYtvYksRg+uDgfll02Cu61CeFeowuWQsnIrzkWtNajHaCwqDPaKh lfLXR3Dv6r2H66TvJS8VB2Q8aq3LpPI9d75LDhfVN/TgvLxe620dy6Wfwi3AgXNRGG yiLaB61kV8PPqd8EYxX3pmNC7duubP4P7lX8hKgs= From: David Gibson To: peter.maydell@linaro.org Subject: [PULL 01/20] spapr/rtas: Print message from "ibm,os-term" Date: Fri, 21 Feb 2020 14:36:31 +1100 Message-Id: <20200221033650.444386-2-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200221033650.444386-1-david@gibson.dropbear.id.au> References: <20200221033650.444386-1-david@gibson.dropbear.id.au> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2401:3900:2:1::2 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: lvivier@redhat.com, aik@ozlabs.ru, Daniel Henrique Barboza , qemu-devel@nongnu.org, groug@kaod.org, qemu-ppc@nongnu.org, clg@kaod.org, David Gibson Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" From: Alexey Kardashevskiy 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 Message-Id: <20200203032044.118585-1-aik@ozlabs.ru> Reviewed-by: Daniel Henrique Barboza Signed-off-by: David Gibson --- 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 883fe28465..656fdd2216 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);