From patchwork Mon Nov 26 16:29:39 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Samuel Ortiz X-Patchwork-Id: 1003332 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.intel.com Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 433Xhd1JbQz9s0n for ; Tue, 27 Nov 2018 03:40:17 +1100 (AEDT) Received: from localhost ([::1]:37572 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gRJvi-0000aC-PZ for incoming@patchwork.ozlabs.org; Mon, 26 Nov 2018 11:40:14 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:37846) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gRJmk-000128-ED for qemu-devel@nongnu.org; Mon, 26 Nov 2018 11:31:00 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gRJme-0004bO-P2 for qemu-devel@nongnu.org; Mon, 26 Nov 2018 11:30:58 -0500 Received: from mga11.intel.com ([192.55.52.93]:54537) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gRJme-0004YC-GC; Mon, 26 Nov 2018 11:30:52 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Nov 2018 08:30:52 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,283,1539673200"; d="scan'208";a="90954788" Received: from sunandos-mobl2.ger.corp.intel.com (HELO localhost.localdomain) ([10.251.82.176]) by fmsmga008.fm.intel.com with ESMTP; 26 Nov 2018 08:30:48 -0800 From: Samuel Ortiz To: qemu-devel@nongnu.org Date: Mon, 26 Nov 2018 17:29:39 +0100 Message-Id: <20181126162942.21258-7-sameo@linux.intel.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181126162942.21258-1-sameo@linux.intel.com> References: <20181126162942.21258-1-sameo@linux.intel.com> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 192.55.52.93 Subject: [Qemu-devel] [PATCH 6/8] hw: arm: Support both legacy and current RSDP build 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: Laurent Vivier , Peter Maydell , Thomas Huth , Eduardo Habkost , Ben Warren , "Michael S. Tsirkin" , Shannon Zhao , qemu-arm@nongnu.org, Paolo Bonzini , Igor Mammedov , Richard Henderson Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" We add the ability to build legacy or current RSDP tables, based on the AcpiRsdpData revision field passed to build_rsdp(). Although arm/virt only uses RSDP v2, adding that capability to build_rsdp will allow us to share the RSDP build code between ARM and x86. Signed-off-by: Samuel Ortiz --- hw/arm/virt-acpi-build.c | 26 +++++++++++++++++++++----- 1 file changed, 21 insertions(+), 5 deletions(-) diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index d47978a55e..10f8388b63 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -389,6 +389,27 @@ build_rsdp(GArray *tbl, BIOSLinker *linker, AcpiRsdpData *rsdp_data) /* Space for the RSDT address (32 bit) */ build_append_int_noprefix(tbl, 0, 4); + if (rsdp_data->rsdt_tbl_offset) { + /* RSDT address to be filled by guest linker */ + bios_linker_loader_add_pointer(linker, + ACPI_BUILD_RSDP_FILE, 16, 4, + ACPI_BUILD_TABLE_FILE, + *rsdp_data->rsdt_tbl_offset); + } + + /* Checksum to be filled by guest linker */ + bios_linker_loader_add_checksum(linker, ACPI_BUILD_RSDP_FILE, 0, + ACPI_RSDP_REV_1_LEN, + ACPI_RSDP_CHECKSUM_OFFSET); + + if (rsdp_data->revision == ACPI_RSDP_REV_1) { + /* Legacy RSDP, we're done */ + return; + } + + /* The RSDP revision is 2 and later, we must have an XSDT pointer */ + g_assert(rsdp_data->xsdt_tbl_offset != NULL); + /* Length */ build_append_int_noprefix(tbl, ACPI_RSDP_REV_2_LEN, ACPI_RSDP_LEN_LEN); @@ -406,11 +427,6 @@ build_rsdp(GArray *tbl, BIOSLinker *linker, AcpiRsdpData *rsdp_data) /* Space for the reserved bytes */ build_append_int_noprefix(tbl, 0, ACPI_RSDP_RESERVED_LEN); - /* Checksum to be filled by guest linker */ - bios_linker_loader_add_checksum(linker, ACPI_BUILD_RSDP_FILE, 0, - ACPI_RSDP_REV_1_LEN, - ACPI_RSDP_CHECKSUM_OFFSET); - /* Extended checksum to be filled by Guest linker */ bios_linker_loader_add_checksum(linker, ACPI_BUILD_RSDP_FILE, 0, ACPI_RSDP_REV_2_LEN,