From nobody Fri Oct 3 20:22:39 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1565118228; cv=none; d=zoho.com; s=zohoarc; b=c8asFnf7GIzCogZ4UgZusKc9jgG2nLM6lu8QnJZJvwcVL1dYRO6pdHCc1IjW/+PWwjgGp91jmXYDEnUohVMSLzYNHh+NgyMyqx7VXngBxhrgaYHA2mnk2WZuPwZBA2JCRLP6L4HD89vl2PicD+RaNGlCF5O1hhFclkZRuPKtXbw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1565118228; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=q5YpXSm3tSWcsNVQ5f80M2PXxHOxpOzf3CJDhlYRSXA=; b=gIWaJ4TFp72ycDhf7PL24D/pzMfhWvmp5G9iRbuIzP6X9SYg1aAyKA90zj7m6jdj6L1zF9bcIrnowT1CKu2XHQu2P4BOkEc1QOrKttTHNe9O29EqrOpVaakKmtsK1Wp/Q0Ajf89xk4srMymUNFGtWN8xVp/SYTsTpWmauVLdT9I= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1565118228497692.4621364809002; Tue, 6 Aug 2019 12:03:48 -0700 (PDT) Received: from localhost ([::1]:35776 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hv4kK-0001cB-Vl for importer@patchew.org; Tue, 06 Aug 2019 15:03:44 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41131) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hv4dy-0004OQ-LV for qemu-devel@nongnu.org; Tue, 06 Aug 2019 14:57:11 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hv4dx-00075V-38 for qemu-devel@nongnu.org; Tue, 06 Aug 2019 14:57:10 -0400 Received: from mga11.intel.com ([192.55.52.93]:6407) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hv4dw-000726-PA for qemu-devel@nongnu.org; Tue, 06 Aug 2019 14:57:08 -0400 Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 06 Aug 2019 11:57:00 -0700 Received: from sjchrist-coffee.jf.intel.com ([10.54.74.41]) by orsmga003.jf.intel.com with ESMTP; 06 Aug 2019 11:57:00 -0700 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,353,1559545200"; d="scan'208";a="176715114" From: Sean Christopherson To: Eduardo Habkost , Igor Mammedov , "Michael S. Tsirkin" , Marcel Apfelbaum , Paolo Bonzini , Richard Henderson , Cornelia Huck , Eric Blake , Markus Armbruster , Marcelo Tosatti Date: Tue, 6 Aug 2019 11:56:46 -0700 Message-Id: <20190806185649.2476-18-sean.j.christopherson@intel.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190806185649.2476-1-sean.j.christopherson@intel.com> References: <20190806185649.2476-1-sean.j.christopherson@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 192.55.52.93 Subject: [Qemu-devel] [RFC PATCH 17/20] i386/pc: Add e820 entry for SGX EPC section(s) 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: qemu-devel@nongnu.org, kvm@vger.kernel.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" Note that SGX EPC is currently guaranteed to reside in a single contiguous chunk of memory regardless of the number of EPC sections. Signed-off-by: Sean Christopherson --- hw/i386/pc.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 614d464394..1b555e46f3 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -1850,6 +1850,9 @@ void pc_memory_init(PCMachineState *pcms, ram_above_4g); e820_add_entry(0x100000000ULL, pcms->above_4g_mem_size, E820_RAM); } + if (pcms->sgx_epc !=3D NULL) { + e820_add_entry(pcms->sgx_epc->base, pcms->sgx_epc->size, E820_RESE= RVED); + } =20 if (!pcmc->has_reserved_memory && (machine->ram_slots || --=20 2.22.0