From patchwork Tue Feb 3 19:19:52 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ard Biesheuvel X-Patchwork-Id: 44288 Return-Path: X-Original-To: linaro@patches.linaro.org Delivered-To: linaro@patches.linaro.org Received: from mail-wg0-f72.google.com (mail-wg0-f72.google.com [74.125.82.72]) by ip-10-151-82-157.ec2.internal (Postfix) with ESMTPS id 285872034D for ; Tue, 3 Feb 2015 19:21:21 +0000 (UTC) Received: by mail-wg0-f72.google.com with SMTP id k14sf22034290wgh.3 for ; Tue, 03 Feb 2015 11:21:20 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:delivered-to:from:to:date:message-id:in-reply-to :references:subject:precedence:reply-to:list-id:list-unsubscribe :list-archive:list-post:list-help:list-subscribe:mime-version :content-type:content-transfer-encoding:errors-to:x-original-sender :x-original-authentication-results:mailing-list; bh=hWue7V9/O4yENHaC7uSa4FILNNbMnWt5TtG/ofL1ujM=; b=I5rwFMUyelzqYOAO/AyO/SkL6P65OqD7z4XVHiRYEKAfIgs+bypq6G+45/1bEOP/ma qvDzPLZ5gYsyl7E+m3Vkmpgrl0Xur4PVpMV++aSE2ZYaaiGnT3H9h5ZzxLUYo3esmCWO 6Ds9n8hdqaP7uq/UtWhJgXz/oDSqttSPeZKaYrSppIPfWVwXVXw6M7A3l0A6ZEBCZc3f 5k3x4eZiRICWx5bq/XeAVUMIN7826e3W19cS+66cFItavR92LZLdQu//7PYG9XqgF+oN V8vQzUv0JmLbaN+QYW6+cpyBdV3xDNAQVMOI+WZBb6azCBIOX+65vP6XOA56IVKS/NG+ 6E0A== X-Gm-Message-State: ALoCoQk6uicWuReGXYE2M46WqAteq88sGyhFi5V/12LlXnLoe8V/h7aKMCgoTDFDTIb+6+R4sxPn X-Received: by 10.112.143.167 with SMTP id sf7mr3331865lbb.0.1422991280439; Tue, 03 Feb 2015 11:21:20 -0800 (PST) X-BeenThere: patchwork-forward@linaro.org Received: by 10.152.43.167 with SMTP id x7ls489887lal.61.gmail; Tue, 03 Feb 2015 11:21:20 -0800 (PST) X-Received: by 10.152.203.137 with SMTP id kq9mr26595551lac.51.1422991280289; Tue, 03 Feb 2015 11:21:20 -0800 (PST) Received: from mail-la0-f48.google.com (mail-la0-f48.google.com. [209.85.215.48]) by mx.google.com with ESMTPS id l7si2638259lbc.137.2015.02.03.11.21.20 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 03 Feb 2015 11:21:20 -0800 (PST) Received-SPF: pass (google.com: domain of patch+caf_=patchwork-forward=linaro.org@linaro.org designates 209.85.215.48 as permitted sender) client-ip=209.85.215.48; Received: by mail-la0-f48.google.com with SMTP id pv20so54023190lab.7 for ; Tue, 03 Feb 2015 11:21:20 -0800 (PST) X-Received: by 10.152.116.43 with SMTP id jt11mr26951057lab.69.1422991280152; Tue, 03 Feb 2015 11:21:20 -0800 (PST) X-Forwarded-To: patchwork-forward@linaro.org X-Forwarded-For: patch@linaro.org patchwork-forward@linaro.org Delivered-To: patch@linaro.org Received: by 10.112.35.133 with SMTP id h5csp33897lbj; Tue, 3 Feb 2015 11:21:19 -0800 (PST) X-Received: by 10.50.119.9 with SMTP id kq9mr20025668igb.36.1422991278212; Tue, 03 Feb 2015 11:21:18 -0800 (PST) Received: from lists.sourceforge.net (lists.sourceforge.net. [216.34.181.88]) by mx.google.com with ESMTPS id ga8si10396640icb.31.2015.02.03.11.21.17 (version=TLSv1 cipher=RC4-SHA bits=128/128); Tue, 03 Feb 2015 11:21:18 -0800 (PST) Received-SPF: pass (google.com: domain of edk2-devel-bounces@lists.sourceforge.net designates 216.34.181.88 as permitted sender) client-ip=216.34.181.88; Received: from localhost ([127.0.0.1] helo=sfs-ml-3.v29.ch3.sourceforge.com) by sfs-ml-3.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1YIj23-00009n-Tu; Tue, 03 Feb 2015 19:21:07 +0000 Received: from sog-mx-4.v43.ch3.sourceforge.com ([172.29.43.194] helo=mx.sourceforge.net) by sfs-ml-3.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1YIj22-00009h-Lj for edk2-devel@lists.sourceforge.net; Tue, 03 Feb 2015 19:21:06 +0000 Received-SPF: pass (sog-mx-4.v43.ch3.sourceforge.com: domain of linaro.org designates 74.125.82.172 as permitted sender) client-ip=74.125.82.172; envelope-from=ard.biesheuvel@linaro.org; helo=mail-we0-f172.google.com; Received: from mail-we0-f172.google.com ([74.125.82.172]) by sog-mx-4.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128) (Exim 4.76) id 1YIj21-0007g6-4D for edk2-devel@lists.sourceforge.net; Tue, 03 Feb 2015 19:21:06 +0000 Received: by mail-we0-f172.google.com with SMTP id q59so46781115wes.3 for ; Tue, 03 Feb 2015 11:20:59 -0800 (PST) X-Received: by 10.180.205.142 with SMTP id lg14mr38126500wic.82.1422991259163; Tue, 03 Feb 2015 11:20:59 -0800 (PST) Received: from ards-macbook-pro.local (73.233.28.37.rev.vodafone.pt. [37.28.233.73]) by mx.google.com with ESMTPSA id eb7sm25860139wic.11.2015.02.03.11.20.55 (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 03 Feb 2015 11:20:58 -0800 (PST) From: Ard Biesheuvel To: edk2-devel@lists.sourceforge.net, lersek@redhat.com, olivier.martin@arm.com, roy.franz@linaro.org, leif.lindholm@linaro.org, stefano.stabellini@eu.citrix.com, ian.campbell@citrix.com, anthony.perard@citrix.com, christoffer.dall@linaro.org, xen-devel@lists.xen.org, ilias.biris@linaro.org, julien.grall@linaro.org Date: Tue, 3 Feb 2015 19:19:52 +0000 Message-Id: <1422991212-9257-8-git-send-email-ard.biesheuvel@linaro.org> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1422991212-9257-1-git-send-email-ard.biesheuvel@linaro.org> References: <1422991212-9257-1-git-send-email-ard.biesheuvel@linaro.org> X-Spam-Score: -1.5 (-) X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. See http://spamassassin.org/tag/ for more details. -1.5 SPF_CHECK_PASS SPF reports sender host as permitted sender for sender-domain -0.0 SPF_PASS SPF: sender matches SPF record X-Headers-End: 1YIj21-0007g6-4D Subject: [edk2] [PATCH v3 07/27] ArmVirtualizationPkg: use a HOB to store device tree blob X-BeenThere: edk2-devel@lists.sourceforge.net X-Mailman-Version: 2.1.9 Precedence: list Reply-To: edk2-devel@lists.sourceforge.net List-Id: List-Unsubscribe: , List-Archive: List-Post: , List-Help: , List-Subscribe: , MIME-Version: 1.0 Errors-To: edk2-devel-bounces@lists.sourceforge.net X-Removed-Original-Auth: Dkim didn't pass. X-Original-Sender: ard.biesheuvel@linaro.org X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of patch+caf_=patchwork-forward=linaro.org@linaro.org designates 209.85.215.48 as permitted sender) smtp.mail=patch+caf_=patchwork-forward=linaro.org@linaro.org Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org X-Google-Group-Id: 836684582541 Instead of using a dynamic PCD, store the device tree address in a HOB so that we can also run under a configuration that does not support dynamic PCDs. This also adds MemoryAllocationLib to the [LibraryClasses] section of ArmVirtualizationPlatformLib/ArmVirtualizationPlatformLib.inf, as this dependency was formerly satisfied transitively through one of the library dependencies that were dropped. Contributed-under: TianoCore Contribution Agreement 1.0 Reviewed-by: Laszlo Ersek Signed-off-by: Ard Biesheuvel --- .../ArmVirtualizationPkg/ArmVirtualizationPkg.dec | 2 -- .../ArmVirtualizationPkg/ArmVirtualizationQemu.dsc | 3 --- .../ArmVirtualizationPlatformLib.inf | 3 +-- .../Library/PlatformPeiLib/PlatformPeiLib.c | 11 ++++++--- .../Library/PlatformPeiLib/PlatformPeiLib.inf | 4 +--- .../ArmVirtualizationPkg/VirtFdtDxe/VirtFdtDxe.c | 10 +++++++-- .../ArmVirtualizationPkg/VirtFdtDxe/VirtFdtDxe.inf | 3 ++- EmbeddedPkg/EmbeddedPkg.dec | 2 ++ EmbeddedPkg/Include/Guid/FdtHob.h | 26 ++++++++++++++++++++++ 9 files changed, 48 insertions(+), 16 deletions(-) create mode 100644 EmbeddedPkg/Include/Guid/FdtHob.h diff --git a/ArmPlatformPkg/ArmVirtualizationPkg/ArmVirtualizationPkg.dec b/ArmPlatformPkg/ArmVirtualizationPkg/ArmVirtualizationPkg.dec index d83117fc6abe..868488906643 100644 --- a/ArmPlatformPkg/ArmVirtualizationPkg/ArmVirtualizationPkg.dec +++ b/ArmPlatformPkg/ArmVirtualizationPkg/ArmVirtualizationPkg.dec @@ -44,8 +44,6 @@ gArmVirtualizationTokenSpaceGuid.PcdDeviceTreeInitialBaseAddress|0x0|UINT64|0x00000001 [PcdsDynamic, PcdsFixedAtBuild] - gArmVirtualizationTokenSpaceGuid.PcdDeviceTreeBaseAddress|0x0|UINT64|0x00000002 - # # ARM PSCI function invocations can be done either through hypervisor # calls (HVC) or secure monitor calls (SMC). diff --git a/ArmPlatformPkg/ArmVirtualizationPkg/ArmVirtualizationQemu.dsc b/ArmPlatformPkg/ArmVirtualizationPkg/ArmVirtualizationQemu.dsc index f38ffd034a59..4f447b8e1da4 100644 --- a/ArmPlatformPkg/ArmVirtualizationPkg/ArmVirtualizationQemu.dsc +++ b/ArmPlatformPkg/ArmVirtualizationPkg/ArmVirtualizationQemu.dsc @@ -160,9 +160,6 @@ # System Memory Size -- 1 MB initially, actual size will be fetched from DT gArmTokenSpaceGuid.PcdSystemMemorySize|0x00100000 - # location of the device tree blob passed by QEMU - gArmVirtualizationTokenSpaceGuid.PcdDeviceTreeBaseAddress|0x0 - gArmTokenSpaceGuid.PcdArmArchTimerSecIntrNum|0x0 gArmTokenSpaceGuid.PcdArmArchTimerIntrNum|0x0 gArmTokenSpaceGuid.PcdArmArchTimerVirtIntrNum|0x0 diff --git a/ArmPlatformPkg/ArmVirtualizationPkg/Library/ArmVirtualizationPlatformLib/ArmVirtualizationPlatformLib.inf b/ArmPlatformPkg/ArmVirtualizationPkg/Library/ArmVirtualizationPlatformLib/ArmVirtualizationPlatformLib.inf index 43b3c6ca1bef..2cff4b62ea0c 100644 --- a/ArmPlatformPkg/ArmVirtualizationPkg/Library/ArmVirtualizationPlatformLib/ArmVirtualizationPlatformLib.inf +++ b/ArmPlatformPkg/ArmVirtualizationPkg/Library/ArmVirtualizationPlatformLib/ArmVirtualizationPlatformLib.inf @@ -30,11 +30,10 @@ [LibraryClasses] IoLib + MemoryAllocationLib ArmLib PrintLib FdtLib - SerialPortLib - HobLib [Sources.common] Virt.c diff --git a/ArmPlatformPkg/ArmVirtualizationPkg/Library/PlatformPeiLib/PlatformPeiLib.c b/ArmPlatformPkg/ArmVirtualizationPkg/Library/PlatformPeiLib/PlatformPeiLib.c index 58bc2b828dcd..c500d5964b25 100644 --- a/ArmPlatformPkg/ArmVirtualizationPkg/Library/PlatformPeiLib/PlatformPeiLib.c +++ b/ArmPlatformPkg/ArmVirtualizationPkg/Library/PlatformPeiLib/PlatformPeiLib.c @@ -22,6 +22,7 @@ #include #include +#include EFI_STATUS EFIAPI @@ -32,6 +33,7 @@ PlatformPeim ( VOID *Base; VOID *NewBase; UINTN FdtSize; + UINT64 *FdtHobData; UINT64 *UartHobData; INT32 Node, Prev; CONST CHAR8 *Compatible; @@ -41,15 +43,18 @@ PlatformPeim ( UINT64 UartBase; - Base = (VOID*)(UINTN)FixedPcdGet64 (PcdDeviceTreeInitialBaseAddress); + Base = (VOID*)(UINTN)PcdGet64 (PcdDeviceTreeInitialBaseAddress); + ASSERT (Base != NULL); ASSERT (fdt_check_header (Base) == 0); FdtSize = fdt_totalsize (Base); NewBase = AllocatePages (EFI_SIZE_TO_PAGES (FdtSize)); ASSERT (NewBase != NULL); - CopyMem (NewBase, Base, FdtSize); - PcdSet64 (PcdDeviceTreeBaseAddress, (UINT64)(UINTN)NewBase); + + FdtHobData = BuildGuidHob (&gFdtHobGuid, sizeof *FdtHobData); + ASSERT (FdtHobData != NULL); + *FdtHobData = (UINTN)NewBase; UartHobData = BuildGuidHob (&gEarlyPL011BaseAddressGuid, sizeof *UartHobData); ASSERT (UartHobData != NULL); diff --git a/ArmPlatformPkg/ArmVirtualizationPkg/Library/PlatformPeiLib/PlatformPeiLib.inf b/ArmPlatformPkg/ArmVirtualizationPkg/Library/PlatformPeiLib/PlatformPeiLib.inf index a376fbd1f345..96019e4009ff 100644 --- a/ArmPlatformPkg/ArmVirtualizationPkg/Library/PlatformPeiLib/PlatformPeiLib.inf +++ b/ArmPlatformPkg/ArmVirtualizationPkg/Library/PlatformPeiLib/PlatformPeiLib.inf @@ -41,11 +41,9 @@ gArmTokenSpaceGuid.PcdFvSize gArmVirtualizationTokenSpaceGuid.PcdDeviceTreeInitialBaseAddress -[Pcd] - gArmVirtualizationTokenSpaceGuid.PcdDeviceTreeBaseAddress - [Guids] gEarlyPL011BaseAddressGuid + gFdtHobGuid [Depex] gEfiPeiMemoryDiscoveredPpiGuid diff --git a/ArmPlatformPkg/ArmVirtualizationPkg/VirtFdtDxe/VirtFdtDxe.c b/ArmPlatformPkg/ArmVirtualizationPkg/VirtFdtDxe/VirtFdtDxe.c index e8bbea0847c0..3e8ca8da627e 100644 --- a/ArmPlatformPkg/ArmVirtualizationPkg/VirtFdtDxe/VirtFdtDxe.c +++ b/ArmPlatformPkg/ArmVirtualizationPkg/VirtFdtDxe/VirtFdtDxe.c @@ -24,10 +24,12 @@ #include #include #include +#include #include #include #include +#include #pragma pack (1) typedef struct { @@ -105,6 +107,7 @@ InitializeVirtFdtDxe ( IN EFI_SYSTEM_TABLE *SystemTable ) { + VOID *Hob; VOID *DeviceTreeBase; INT32 Node, Prev; INT32 RtcNode; @@ -125,8 +128,11 @@ InitializeVirtFdtDxe ( UINT64 FwCfgDataAddress; UINT64 FwCfgDataSize; - DeviceTreeBase = (VOID *)(UINTN)PcdGet64 (PcdDeviceTreeBaseAddress); - ASSERT (DeviceTreeBase != NULL); + Hob = GetFirstGuidHob(&gFdtHobGuid); + if (Hob == NULL || GET_GUID_HOB_DATA_SIZE (Hob) != sizeof (UINT64)) { + return EFI_NOT_FOUND; + } + DeviceTreeBase = (VOID *)(UINTN)*(UINT64 *)GET_GUID_HOB_DATA (Hob); if (fdt_check_header (DeviceTreeBase) != 0) { DEBUG ((EFI_D_ERROR, "%a: No DTB found @ 0x%p\n", __FUNCTION__, DeviceTreeBase)); diff --git a/ArmPlatformPkg/ArmVirtualizationPkg/VirtFdtDxe/VirtFdtDxe.inf b/ArmPlatformPkg/ArmVirtualizationPkg/VirtFdtDxe/VirtFdtDxe.inf index dbf0f8eb54bc..2768d7be8093 100644 --- a/ArmPlatformPkg/ArmVirtualizationPkg/VirtFdtDxe/VirtFdtDxe.inf +++ b/ArmPlatformPkg/ArmVirtualizationPkg/VirtFdtDxe/VirtFdtDxe.inf @@ -40,13 +40,14 @@ DxeServicesLib FdtLib VirtioMmioDeviceLib + HobLib [Guids] gFdtTableGuid gVirtioMmioTransportGuid + gFdtHobGuid [Pcd] - gArmVirtualizationTokenSpaceGuid.PcdDeviceTreeBaseAddress gArmVirtualizationTokenSpaceGuid.PcdArmPsciMethod gArmVirtualizationTokenSpaceGuid.PcdFwCfgSelectorAddress gArmVirtualizationTokenSpaceGuid.PcdFwCfgDataAddress diff --git a/EmbeddedPkg/EmbeddedPkg.dec b/EmbeddedPkg/EmbeddedPkg.dec index 600d0e54c4b3..2f261ece9212 100644 --- a/EmbeddedPkg/EmbeddedPkg.dec +++ b/EmbeddedPkg/EmbeddedPkg.dec @@ -52,6 +52,8 @@ ## FDT Configuration Table # Include/Guid/Fdt.h gFdtTableGuid = { 0xb1b621d5, 0xf19c, 0x41a5, { 0x83, 0x0b, 0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0 } } + # Include/Guid/FdtHob.h + gFdtHobGuid = { 0x16958446, 0x19B7, 0x480B, { 0xB0, 0x47, 0x74, 0x85, 0xAD, 0x3F, 0x71, 0x6D } } [Protocols.common] gHardwareInterruptProtocolGuid = { 0x2890B3EA, 0x053D, 0x1643, { 0xAD, 0x0C, 0xD6, 0x48, 0x08, 0xDA, 0x3F, 0xF1 } } diff --git a/EmbeddedPkg/Include/Guid/FdtHob.h b/EmbeddedPkg/Include/Guid/FdtHob.h new file mode 100644 index 000000000000..287729e0c350 --- /dev/null +++ b/EmbeddedPkg/Include/Guid/FdtHob.h @@ -0,0 +1,26 @@ +/** @file + GUID for the HOB that contains the copy of the flattened device tree blob + + Copyright (C) 2014, Linaro Ltd. + + This program and the accompanying materials are licensed and made available + under the terms and conditions of the BSD License that accompanies this + distribution. The full text of the license may be found at + http://opensource.org/licenses/bsd-license.php. + + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT + WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + +**/ + +#ifndef __FDT_HOB_H__ +#define __FDT_HOB_H__ + +#define FDT_HOB_GUID { \ + 0x16958446, 0x19B7, 0x480B, \ + { 0xB0, 0x47, 0x74, 0x85, 0xAD, 0x3F, 0x71, 0x6D } \ + } + +extern EFI_GUID gFdtHobGuid; + +#endif