From patchwork Wed Jul 1 14:50:18 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiao Guangrong X-Patchwork-Id: 6703941 Return-Path: X-Original-To: patchwork-kvm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id D78329F38C for ; Wed, 1 Jul 2015 14:55:38 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1003420649 for ; Wed, 1 Jul 2015 14:55:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 644612064C for ; Wed, 1 Jul 2015 14:55:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754270AbbGAOza (ORCPT ); Wed, 1 Jul 2015 10:55:30 -0400 Received: from mga03.intel.com ([134.134.136.65]:20064 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754248AbbGAOzZ (ORCPT ); Wed, 1 Jul 2015 10:55:25 -0400 Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga103.jf.intel.com with ESMTP; 01 Jul 2015 07:55:25 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.15,386,1432623600"; d="scan'208";a="517239197" Received: from xiao.sh.intel.com ([10.239.159.86]) by FMSMGA003.fm.intel.com with ESMTP; 01 Jul 2015 07:55:22 -0700 From: Xiao Guangrong To: pbonzini@redhat.com, imammedo@redhat.com Cc: gleb@kernel.org, mtosatti@redhat.com, stefanha@redhat.com, mst@redhat.com, rth@twiddle.net, ehabkost@redhat.com, kvm@vger.kernel.org, qemu-devel@nongnu.org, Xiao Guangrong Subject: [PATCH 02/16] i386/acpi-build: allow SSDT to operate on 64 bit Date: Wed, 1 Jul 2015 22:50:18 +0800 Message-Id: <1435762232-15543-3-git-send-email-guangrong.xiao@linux.intel.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1435762232-15543-1-git-send-email-guangrong.xiao@linux.intel.com> References: <1435762232-15543-1-git-send-email-guangrong.xiao@linux.intel.com> Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Spam-Status: No, score=-7.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Only 512M is left for MMIO below 4G and that are used by PCI, BIOS etc. Other components also reserve regions from their internal usage, e.g, [0xFED00000, 0xFED00000 + 0x400) is reserved for HPET Switch SSDT to 64 bit to use the huge free room above 4G. In the later patches, we will dynamical allocate free space within this region which is used by NVDIMM _DSM method Signed-off-by: Xiao Guangrong --- hw/i386/acpi-build.c | 4 ++-- hw/i386/acpi-dsdt.dsl | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 00818b9..6a1ab09 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -1348,7 +1348,7 @@ build_ssdt(GArray *table_data, GArray *linker, g_array_append_vals(table_data, ssdt->buf->data, ssdt->buf->len); build_header(linker, table_data, (void *)(table_data->data + table_data->len - ssdt->buf->len), - "SSDT", ssdt->buf->len, 1); + "SSDT", ssdt->buf->len, 2); free_aml_allocator(); } @@ -1586,7 +1586,7 @@ build_dsdt(GArray *table_data, GArray *linker, AcpiMiscInfo *misc) memset(dsdt, 0, sizeof *dsdt); build_header(linker, table_data, dsdt, "DSDT", - misc->dsdt_size, 1); + misc->dsdt_size, 2); } static GArray * diff --git a/hw/i386/acpi-dsdt.dsl b/hw/i386/acpi-dsdt.dsl index a2d84ec..5cd3f0e 100644 --- a/hw/i386/acpi-dsdt.dsl +++ b/hw/i386/acpi-dsdt.dsl @@ -22,7 +22,7 @@ ACPI_EXTRACT_ALL_CODE AcpiDsdtAmlCode DefinitionBlock ( "acpi-dsdt.aml", // Output Filename "DSDT", // Signature - 0x01, // DSDT Compliance Revision + 0x02, // DSDT Compliance Revision "BXPC", // OEMID "BXDSDT", // TABLE ID 0x1 // OEM Revision