From patchwork Thu Oct 25 19:23:17 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peng Hao X-Patchwork-Id: 10655747 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B0F4013B5 for ; Thu, 25 Oct 2018 11:21:43 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9FE692B6F1 for ; Thu, 25 Oct 2018 11:21:43 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8A83B2B72E; Thu, 25 Oct 2018 11:21:43 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.0 required=2.0 tests=BAYES_00,DATE_IN_FUTURE_06_12, MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id E5F6E2B696 for ; Thu, 25 Oct 2018 11:21:42 +0000 (UTC) Received: from localhost ([::1]:53825 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gFdht-0003vM-UN for patchwork-qemu-devel@patchwork.kernel.org; Thu, 25 Oct 2018 07:21:41 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48789) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gFda0-0006fV-Qn for qemu-devel@nongnu.org; Thu, 25 Oct 2018 07:13:37 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gFdZf-0000j1-3w for qemu-devel@nongnu.org; Thu, 25 Oct 2018 07:13:24 -0400 Received: from mxhk.zte.com.cn ([63.217.80.70]:7846) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gFdZM-0000S4-0O; Thu, 25 Oct 2018 07:12:54 -0400 Received: from mse01.zte.com.cn (unknown [10.30.3.20]) by Forcepoint Email with ESMTPS id 891FE5198C9A411C5FEC; Thu, 25 Oct 2018 19:12:32 +0800 (CST) Received: from notes_smtp.zte.com.cn ([10.30.1.239]) by mse01.zte.com.cn with ESMTP id w9PBCNHv015445; Thu, 25 Oct 2018 19:12:23 +0800 (GMT-8) (envelope-from peng.hao2@zte.com.cn) Received: from localhost.localdomain.localdomain ([10.74.120.59]) by szsmtp06.zte.com.cn (Lotus Domino Release 8.5.3FP6) with ESMTP id 2018102519125526-6703172 ; Thu, 25 Oct 2018 19:12:55 +0800 From: Peng Hao To: peter.maydell@linaro.org, philmd@redhat.com Date: Fri, 26 Oct 2018 03:23:17 +0800 Message-Id: <1540495397-88089-6-git-send-email-peng.hao2@zte.com.cn> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1540495397-88089-1-git-send-email-peng.hao2@zte.com.cn> References: <1540495397-88089-1-git-send-email-peng.hao2@zte.com.cn> X-MIMETrack: Itemize by SMTP Server on SZSMTP06/server/zte_ltd(Release 8.5.3FP6|November 21, 2013) at 2018-10-25 19:12:55, Serialize by Router on notes_smtp/zte_ltd(Release 9.0.1FP7|August 17, 2016) at 2018-10-25 19:12:11, Serialize complete at 2018-10-25 19:12:11 X-MAIL: mse01.zte.com.cn w9PBCNHv015445 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 63.217.80.70 Subject: [Qemu-devel] [PATCH V4 5/5] hw/arm/virt: add pvpanic device in virt acpi table X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peng Hao , qemu-arm@nongnu.org, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP add pvpanic device in virt acpi table, so when kenrel command line uses acpi=force, kernel can get info from acpi table in aarch64. Signed-off-by: Peng Hao --- hw/arm/virt-acpi-build.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index 5785fb6..d126cee 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -61,6 +61,21 @@ static void acpi_dsdt_add_cpus(Aml *scope, int smp_cpus) } } +static void acpi_dsdt_add_pvpanic(Aml *scope, const MemMapEntry *pvpanic_memmap) +{ + Aml *dev = aml_device("PANC"); + aml_append(dev, aml_name_decl("_HID", aml_string("QEMU0001"))); + aml_append(dev, aml_name_decl("_UID", aml_int(0))); + + Aml *crs = aml_resource_template(); + aml_append(crs, aml_memory32_fixed(pvpanic_memmap->base, + pvpanic_memmap->size, AML_READ_WRITE)); + + aml_append(dev, aml_name_decl("_CRS", crs)); + + aml_append(scope, dev); +} + static void acpi_dsdt_add_uart(Aml *scope, const MemMapEntry *uart_memmap, uint32_t uart_irq) { @@ -770,6 +785,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) acpi_dsdt_add_cpus(scope, vms->smp_cpus); acpi_dsdt_add_uart(scope, &memmap[VIRT_UART], (irqmap[VIRT_UART] + ARM_SPI_BASE)); + acpi_dsdt_add_pvpanic(scope, &memmap[VIRT_PVPANIC_MMIO]); acpi_dsdt_add_flash(scope, &memmap[VIRT_FLASH]); acpi_dsdt_add_fw_cfg(scope, &memmap[VIRT_FW_CFG]); acpi_dsdt_add_virtio(scope, &memmap[VIRT_MMIO],