From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 95D15200840EB for ; Tue, 28 Mar 2017 06:50:50 -0700 (PDT) Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 0E7E18C546; Tue, 28 Mar 2017 13:50:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 0E7E18C546 Authentication-Results: ext-mx06.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx06.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=lersek@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com 0E7E18C546 Received: from lacos-laptop-7.usersys.redhat.com (ovpn-116-89.phx2.redhat.com [10.3.116.89]) by smtp.corp.redhat.com (Postfix) with ESMTP id F3025179C0; Tue, 28 Mar 2017 13:50:48 +0000 (UTC) From: Laszlo Ersek To: edk2-devel-01 Cc: Ard Biesheuvel , Leif Lindholm Date: Tue, 28 Mar 2017 15:50:28 +0200 Message-Id: <20170328135033.24238-8-lersek@redhat.com> In-Reply-To: <20170328135033.24238-1-lersek@redhat.com> References: <20170328135033.24238-1-lersek@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Tue, 28 Mar 2017 13:50:50 +0000 (UTC) Subject: [PATCH v4 07/12] ArmVirtPkg: add PlatformHasAcpiDtDxe X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 28 Mar 2017 13:50:50 -0000 This driver produces the EDKII Platform Has ACPI and Platform Has Device Tree protocols, exactly matching the current ACPI / DT exposure on QEMU, according to ARM vs. AARCH64, and (in the latter case) to PcdPureAcpiBoot. Cc: Ard Biesheuvel Cc: Leif Lindholm Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek Reviewed-by: Ard Biesheuvel --- Notes: v4: - drop MdeModulePkg/MdeModulePkg.dec dependency v3: - update package dependencies in INF file according to the GUID relocations in prior patches (replace ArmPkg.dec with EmbeddedPkg.dec and MdeModulePkg.dec) - rename gEdkiiPlatformHasAcpiProtocolGuid -> gEdkiiPlatformHasAcpiGuid - rename gEdkiiPlatformHasDeviceTreeProtocolGuid -> gEdkiiPlatformHasDeviceTreeGuid - adapt include paths and INF sections to protocol -> general GUID change - pick up Ard's R-b ArmVirtPkg/PlatformHasAcpiDtDxe/PlatformHasAcpiDtDxe.inf | 47 ++++++++++++ ArmVirtPkg/PlatformHasAcpiDtDxe/PlatformHasAcpiDtDxe.c | 77 ++++++++++++++++++++ 2 files changed, 124 insertions(+) diff --git a/ArmVirtPkg/PlatformHasAcpiDtDxe/PlatformHasAcpiDtDxe.inf b/ArmVirtPkg/PlatformHasAcpiDtDxe/PlatformHasAcpiDtDxe.inf new file mode 100644 index 000000000000..2450500b3f0e --- /dev/null +++ b/ArmVirtPkg/PlatformHasAcpiDtDxe/PlatformHasAcpiDtDxe.inf @@ -0,0 +1,47 @@ +## @file +# Decide whether the firmware should expose an ACPI- and/or a Device Tree-based +# hardware description to the operating system. +# +# Copyright (c) 2017, Red Hat, Inc. +# +# This program and the accompanying materials are licensed and made available +# under the terms and conditions of the BSD License which 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. +## + +[Defines] + INF_VERSION = 1.25 + BASE_NAME = PlatformHasAcpiDtDxe + FILE_GUID = 9d1dd27f-6d7f-427b-aec4-b62f6279c2f1 + MODULE_TYPE = DXE_DRIVER + VERSION_STRING = 1.0 + ENTRY_POINT = PlatformHasAcpiDt + +[Sources] + PlatformHasAcpiDtDxe.c + +[Packages] + ArmVirtPkg/ArmVirtPkg.dec + EmbeddedPkg/EmbeddedPkg.dec + MdePkg/MdePkg.dec + +[LibraryClasses] + BaseLib + DebugLib + PcdLib + UefiBootServicesTableLib + UefiDriverEntryPoint + +[Guids] + gEdkiiPlatformHasAcpiGuid ## SOMETIMES_PRODUCES ## PROTOCOL + gEdkiiPlatformHasDeviceTreeGuid ## SOMETIMES_PRODUCES ## PROTOCOL + +[FeaturePcd] + gArmVirtTokenSpaceGuid.PcdPureAcpiBoot ## CONSUMES + +[Depex] + TRUE diff --git a/ArmVirtPkg/PlatformHasAcpiDtDxe/PlatformHasAcpiDtDxe.c b/ArmVirtPkg/PlatformHasAcpiDtDxe/PlatformHasAcpiDtDxe.c new file mode 100644 index 000000000000..a718ce1b5a7b --- /dev/null +++ b/ArmVirtPkg/PlatformHasAcpiDtDxe/PlatformHasAcpiDtDxe.c @@ -0,0 +1,77 @@ +/** @file + Decide whether the firmware should expose an ACPI- and/or a Device Tree-based + hardware description to the operating system. + + Copyright (c) 2017, Red Hat, Inc. + + This program and the accompanying materials are licensed and made available + under the terms and conditions of the BSD License which 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. +**/ + +#include +#include +#include +#include +#include +#include + +EFI_STATUS +EFIAPI +PlatformHasAcpiDt ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ) +{ + EFI_STATUS Status; + + Status = EFI_SUCCESS; + + // + // If we fail to install any of the necessary protocols below, the OS will be + // unbootable anyway (due to lacking hardware description), so tolerate no + // errors here. + // + // Always make ACPI available on 64-bit systems. + // + if (MAX_UINTN == MAX_UINT64) { + Status = gBS->InstallProtocolInterface ( + &ImageHandle, + &gEdkiiPlatformHasAcpiGuid, + EFI_NATIVE_INTERFACE, + NULL + ); + if (EFI_ERROR (Status)) { + goto Failed; + } + } + + // + // Expose the Device Tree unless PcdPureAcpiBoot is set. + // + if (!FeaturePcdGet (PcdPureAcpiBoot)) { + Status = gBS->InstallProtocolInterface ( + &ImageHandle, + &gEdkiiPlatformHasDeviceTreeGuid, + EFI_NATIVE_INTERFACE, + NULL + ); + if (EFI_ERROR (Status)) { + goto Failed; + } + } + + return Status; + +Failed: + ASSERT_EFI_ERROR (Status); + CpuDeadLoop (); + // + // Keep compilers happy. + // + return Status; +} -- 2.9.3