From patchwork Fri Jun 2 16:00:02 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laszlo Ersek X-Patchwork-Id: 770461 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3wfTZW6tW9z9s7B for ; Sat, 3 Jun 2017 02:05:23 +1000 (AEST) Received: from localhost ([::1]:50513 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dGp4j-00022P-LY for incoming@patchwork.ozlabs.org; Fri, 02 Jun 2017 12:05:21 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:51814) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dGp07-0006j2-9h for qemu-devel@nongnu.org; Fri, 02 Jun 2017 12:00:41 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dGp03-0000ZQ-J3 for qemu-devel@nongnu.org; Fri, 02 Jun 2017 12:00:35 -0400 Received: from mx1.redhat.com ([209.132.183.28]:59512) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dGp03-0000YC-A7 for qemu-devel@nongnu.org; Fri, 02 Jun 2017 12:00:31 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id CDBCB80511; Fri, 2 Jun 2017 16:00:29 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com CDBCB80511 Authentication-Results: ext-mx03.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx03.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=lersek@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com CDBCB80511 Received: from lacos-laptop-7.usersys.redhat.com (ovpn-116-83.phx2.redhat.com [10.3.116.83]) by smtp.corp.redhat.com (Postfix) with ESMTP id 2A4DF1711A; Fri, 2 Jun 2017 16:00:26 +0000 (UTC) From: Laszlo Ersek To: SeaBIOS@seabios.org, qemu-devel@nongnu.org, edk2-devel@lists.01.org Date: Fri, 2 Jun 2017 18:00:02 +0200 Message-Id: <20170602160006.1748-4-lersek@redhat.com> In-Reply-To: <20170602160006.1748-1-lersek@redhat.com> References: <20170602160006.1748-1-lersek@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.27]); Fri, 02 Jun 2017 16:00:30 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [qemu PATCH 3/7] hw/acpi/bios-linker-loader: introduce BIOS_LINKER_LOADER_ALLOC_ZONE_64BIT 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: Xiao Guangrong , Ben Warren , Ard Biesheuvel , "Michael S. Tsirkin" , Stefan Berger , Dongjiu Geng , Shannon Zhao , Igor Mammedov Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Using this allocation zone permits the guest firmware to allocate the blob being downloaded anywhere in the 64-bit address space. QEMU code that generates ADD_POINTER commands with @src_file set to such a blob is responsible for using @dst_patched_offset_size=8. Cc: "Michael S. Tsirkin" Cc: Ard Biesheuvel Cc: Ben Warren Cc: Dongjiu Geng Cc: Igor Mammedov Cc: Shannon Zhao Cc: Stefan Berger Cc: Xiao Guangrong Signed-off-by: Laszlo Ersek --- include/hw/acpi/bios-linker-loader.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/hw/acpi/bios-linker-loader.h b/include/hw/acpi/bios-linker-loader.h index 5202fd14977d..621de7bd98e8 100644 --- a/include/hw/acpi/bios-linker-loader.h +++ b/include/hw/acpi/bios-linker-loader.h @@ -11,10 +11,13 @@ typedef enum BIOSLinkerLoaderAllocZone { /* request blob allocation in 32-bit memory */ BIOS_LINKER_LOADER_ALLOC_ZONE_HIGH = 0x1, /* request blob allocation in FSEG zone (useful for the RSDP ACPI table) */ BIOS_LINKER_LOADER_ALLOC_ZONE_FSEG = 0x2, + + /* request blob allocation in 64-bit memory */ + BIOS_LINKER_LOADER_ALLOC_ZONE_64BIT = 0x3, } BIOSLinkerLoaderAllocZone; typedef enum BIOSLinkerLoaderAllocContent { /* the blob may or may not contain ACPI tables */ BIOS_LINKER_LOADER_ALLOC_CONTENT_MIXED = 0x00,