From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-ip=2607:f8b0:4001:c0b::241; helo=mail-it0-x241.google.com; envelope-from=ard.biesheuvel@linaro.org; receiver=edk2-devel@lists.01.org Received: from mail-it0-x241.google.com (mail-it0-x241.google.com [IPv6:2607:f8b0:4001:c0b::241]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 7AAD3202E6163 for ; Mon, 23 Oct 2017 04:11:39 -0700 (PDT) Received: by mail-it0-x241.google.com with SMTP id r127so5434389itb.5 for ; Mon, 23 Oct 2017 04:15:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=ogmymhbx53eR/a/mRABjisSsZBfiE8JQ0vWfH3Wm9tM=; b=j5RMWgBwyQu7eKeSW7VasU033wRRP+cGtldasczF1nKG6yofhbFyFpBcm9yIs2Hl2X jMrBKMMptcpNGXS/qo7hEDfRIEsFDCMmQ9dSLkTNenz266GHiBVaPbmDGtdTeYqN99Ys ICjyr3M0rKVXTgCh5e5CXQn5lH0V+oWK4izLE= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=ogmymhbx53eR/a/mRABjisSsZBfiE8JQ0vWfH3Wm9tM=; b=gueILA2WV+MEG1+NN+yiDXFQqYecE2CuULGSb/aeSj0omJV6ZQ6l+7VPQDcKtpAetK 6QGs9VGQKXG3MuiFdVgmbc7uIyDaghhEDtBzCSQVOxbYcHNrcOEhX7sivZZJ7taRlfkJ gRChaUlZhGqt2bG4snvTu4Zenr/NDUXiKCYnB36HRpE8ium/LLo7/tO14NNz0wsnxGIC EaNWh6M+WIzo1vXUBfeUANQ0EU5yNRI16WEwjY+W9QW9V/67YJsBBOLSrWMe7ttGCJZZ y9nYMuF+Sz80OliF9p+QNQ8YvvCDotASlAcP181jFDbfm/nIcn0yfRTGfEbsOq4r26oE iKUQ== X-Gm-Message-State: AMCzsaUh6eNckJECiLW/5bi2ZbzVa0RZm7mYOEbD3YFLZ22Aj7NaAmBc XrF866eSsPO40LOt7dXlE5p4RbKpY0T873P4PojhrQ== X-Google-Smtp-Source: ABhQp+SmqhHyOZUAKz8BQQIIM8xRw4IQ9o4Kq6asgkhkwfVckkerx/XmLxdfMBL/W8R2saZsxjtKv6taosl1CIlML+s= X-Received: by 10.36.141.70 with SMTP id w67mr8670253itd.58.1508757320942; Mon, 23 Oct 2017 04:15:20 -0700 (PDT) MIME-Version: 1.0 Received: by 10.107.131.167 with HTTP; Mon, 23 Oct 2017 04:15:20 -0700 (PDT) In-Reply-To: <20171023102622.d5ixtaetx3fg7bdd@bivouac.eciton.net> References: <20171020212404.6497-1-ard.biesheuvel@linaro.org> <20171023102622.d5ixtaetx3fg7bdd@bivouac.eciton.net> From: Ard Biesheuvel Date: Mon, 23 Oct 2017 12:15:20 +0100 Message-ID: To: Leif Lindholm Cc: "edk2-devel@lists.01.org" , Laszlo Ersek Subject: Re: [PATCH v3] EmbeddedPkg: add driver to set graphical/serial console preference 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: Mon, 23 Oct 2017 11:11:39 -0000 Content-Type: text/plain; charset="UTF-8" On 23 October 2017 at 11:26, Leif Lindholm wrote: > On Fri, Oct 20, 2017 at 10:24:04PM +0100, Ard Biesheuvel wrote: >> Linux on ARM/arm64 will infer from the presence of a /chosen/stdout-path >> DT property or of a SPCR ACPI table that the primary console is the serial >> port, even if a graphical console is available as well. >> >> So let's introduce a driver that allows the user to set a preference >> between graphical and serial if both are available. If the preference >> is set to 'Graphical', and any GOP protocol instances have been installed >> by the time the ReadyToBoot event is signalled, remove the DT property >> and/or the SPCR table entirely. >> >> Contributed-under: TianoCore Contribution Agreement 1.1 >> Signed-off-by: Ard Biesheuvel > > I don't have any comments beyond what I said for v1 - so many > thanks for doing this rework! > > Reviewed-by: Leif Lindholm > Pushed as d8e36289cef7bde628b023219cd65fa8e8d4562a Thanks >> --- >> v3: - as suggested by Laszlo, move all logic into the OnReadyToBoot event >> callback so there is no need to register protocol notification handlers >> to look for the SDT protocol >> - fixed overly long lines in license blocks >> >> v2: - use protocol register notify for gEfiAcpiSdtProtocolGuid, this is >> necessary because we may be loaded before the driver that produces it, >> and we cannot Depex on it either (because it is optional) >> - add missing changes to .dec and Include/ files >> >> EmbeddedPkg/Drivers/ConsolePrefDxe/ConsolePrefDxe.c | 293 ++++++++++++++++++++ >> EmbeddedPkg/Drivers/ConsolePrefDxe/ConsolePrefDxe.h | 31 +++ >> EmbeddedPkg/Drivers/ConsolePrefDxe/ConsolePrefDxe.inf | 62 +++++ >> EmbeddedPkg/Drivers/ConsolePrefDxe/ConsolePrefHii.uni | 27 ++ >> EmbeddedPkg/Drivers/ConsolePrefDxe/ConsolePrefHii.vfr | 51 ++++ >> EmbeddedPkg/EmbeddedPkg.dec | 3 + >> EmbeddedPkg/Include/Guid/ConsolePrefFormSet.h | 23 ++ >> 7 files changed, 490 insertions(+) >> >> diff --git a/EmbeddedPkg/Drivers/ConsolePrefDxe/ConsolePrefDxe.c b/EmbeddedPkg/Drivers/ConsolePrefDxe/ConsolePrefDxe.c >> new file mode 100644 >> index 000000000000..996d1a6036b9 >> --- /dev/null >> +++ b/EmbeddedPkg/Drivers/ConsolePrefDxe/ConsolePrefDxe.c >> @@ -0,0 +1,293 @@ >> +/** @file >> +* >> +* Copyright (c) 2017, Linaro, Ltd. All rights reserved. >> +* >> +* 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 >> +#include >> +#include >> +#include >> +#include >> +#include >> +#include >> + >> +#include >> +#include >> + >> +#include "ConsolePrefDxe.h" >> + >> +#define SPCR_SIG EFI_ACPI_2_0_SERIAL_PORT_CONSOLE_REDIRECTION_TABLE_SIGNATURE >> + >> +extern UINT8 ConsolePrefHiiBin[]; >> +extern UINT8 ConsolePrefDxeStrings[]; >> + >> +typedef struct { >> + VENDOR_DEVICE_PATH VendorDevicePath; >> + EFI_DEVICE_PATH_PROTOCOL End; >> +} HII_VENDOR_DEVICE_PATH; >> + >> +STATIC HII_VENDOR_DEVICE_PATH mConsolePrefDxeVendorDevicePath = { >> + { >> + { >> + HARDWARE_DEVICE_PATH, >> + HW_VENDOR_DP, >> + { >> + (UINT8) (sizeof (VENDOR_DEVICE_PATH)), >> + (UINT8) ((sizeof (VENDOR_DEVICE_PATH)) >> 8) >> + } >> + }, >> + CONSOLE_PREF_FORMSET_GUID >> + }, >> + { >> + END_DEVICE_PATH_TYPE, >> + END_ENTIRE_DEVICE_PATH_SUBTYPE, >> + { >> + (UINT8) (END_DEVICE_PATH_LENGTH), >> + (UINT8) ((END_DEVICE_PATH_LENGTH) >> 8) >> + } >> + } >> +}; >> + >> +STATIC EFI_EVENT mReadyToBootEvent; >> + >> +STATIC >> +EFI_STATUS >> +InstallHiiPages ( >> + VOID >> + ) >> +{ >> + EFI_STATUS Status; >> + EFI_HII_HANDLE HiiHandle; >> + EFI_HANDLE DriverHandle; >> + >> + DriverHandle = NULL; >> + Status = gBS->InstallMultipleProtocolInterfaces (&DriverHandle, >> + &gEfiDevicePathProtocolGuid, >> + &mConsolePrefDxeVendorDevicePath, >> + NULL); >> + if (EFI_ERROR (Status)) { >> + return Status; >> + } >> + >> + HiiHandle = HiiAddPackages (&gConsolePrefFormSetGuid, >> + DriverHandle, >> + ConsolePrefDxeStrings, >> + ConsolePrefHiiBin, >> + NULL); >> + >> + if (HiiHandle == NULL) { >> + gBS->UninstallMultipleProtocolInterfaces (DriverHandle, >> + &gEfiDevicePathProtocolGuid, >> + &mConsolePrefDxeVendorDevicePath, >> + NULL); >> + return EFI_OUT_OF_RESOURCES; >> + } >> + return EFI_SUCCESS; >> +} >> + >> +STATIC >> +VOID >> +RemoveDtStdoutPath ( >> + VOID >> +) >> +{ >> + VOID *Dtb; >> + INT32 Node; >> + INT32 Error; >> + EFI_STATUS Status; >> + >> + Status = EfiGetSystemConfigurationTable (&gFdtTableGuid, &Dtb); >> + if (EFI_ERROR (Status)) { >> + DEBUG ((DEBUG_INFO, "%a: could not retrieve DT blob - %r\n", __FUNCTION__, >> + Status)); >> + return; >> + } >> + >> + Node = fdt_path_offset (Dtb, "/chosen"); >> + if (Node < 0) { >> + return; >> + } >> + >> + Error = fdt_delprop (Dtb, Node, "stdout-path"); >> + if (Error) { >> + DEBUG ((DEBUG_INFO, "%a: Failed to delete 'stdout-path' property: %a\n", >> + __FUNCTION__, fdt_strerror (Error))); >> + } >> +} >> + >> +STATIC >> +VOID >> +RemoveSpcrTable ( >> + VOID >> + ) >> +{ >> + EFI_ACPI_SDT_PROTOCOL *Sdt; >> + EFI_ACPI_TABLE_PROTOCOL *AcpiTable; >> + EFI_STATUS Status; >> + UINTN TableIndex; >> + EFI_ACPI_SDT_HEADER *TableHeader; >> + EFI_ACPI_TABLE_VERSION TableVersion; >> + UINTN TableKey; >> + >> + Status = gBS->LocateProtocol (&gEfiAcpiTableProtocolGuid, NULL, >> + (VOID **)&AcpiTable); >> + if (EFI_ERROR (Status)) { >> + return; >> + } >> + >> + Status = gBS->LocateProtocol (&gEfiAcpiSdtProtocolGuid, NULL, (VOID **)&Sdt); >> + if (EFI_ERROR (Status)) { >> + return; >> + } >> + >> + TableIndex = 0; >> + TableKey = 0; >> + TableHeader = NULL; >> + >> + do { >> + Status = Sdt->GetAcpiTable (TableIndex++, &TableHeader, &TableVersion, >> + &TableKey); >> + if (EFI_ERROR (Status)) { >> + break; >> + } >> + >> + if (TableHeader->Signature != SPCR_SIG) { >> + continue; >> + } >> + >> + Status = AcpiTable->UninstallAcpiTable (AcpiTable, TableKey); >> + if (EFI_ERROR (Status)) { >> + DEBUG ((DEBUG_WARN, "%a: failed to uninstall SPCR table - %r\n", >> + __FUNCTION__, Status)); >> + } >> + break; >> + } while (TRUE); >> +} >> + >> +STATIC >> +VOID >> +OnReadyToBoot ( >> + IN EFI_EVENT Event, >> + IN VOID *Context >> + ) >> +{ >> + CONSOLE_PREF_VARSTORE_DATA ConsolePref; >> + UINTN BufferSize; >> + EFI_STATUS Status; >> + VOID *Gop; >> + >> + BufferSize = sizeof (ConsolePref); >> + Status = gRT->GetVariable (CONSOLE_PREF_VARIABLE_NAME, >> + &gConsolePrefFormSetGuid, NULL, &BufferSize, &ConsolePref); >> + if (EFI_ERROR (Status)) { >> + DEBUG ((DEBUG_ERROR, >> + "%a: variable '%s' could not be read - bailing!\n", __FUNCTION__, >> + CONSOLE_PREF_VARIABLE_NAME)); >> + return; >> + } >> + >> + if (ConsolePref.Console == CONSOLE_PREF_SERIAL) { >> + DEBUG ((DEBUG_INFO, >> + "%a: serial console preferred - doing nothing\n", __FUNCTION__)); >> + return; >> + } >> + >> + // >> + // Check if any GOP instances exist: if so, disable stdout-path and SPCR >> + // >> + Status = gBS->LocateProtocol (&gEfiGraphicsOutputProtocolGuid, NULL, &Gop); >> + if (EFI_ERROR (Status)) { >> + DEBUG ((DEBUG_INFO, >> + "%a: no GOP instances found - doing nothing (%r)\n", __FUNCTION__, >> + Status)); >> + return; >> + } >> + >> + RemoveDtStdoutPath (); >> + RemoveSpcrTable (); >> +} >> + >> +/** >> + The entry point for ConsolePrefDxe driver. >> + >> + @param[in] ImageHandle The image handle of the driver. >> + @param[in] SystemTable The system table. >> + >> + @retval EFI_ALREADY_STARTED The driver already exists in system. >> + @retval EFI_OUT_OF_RESOURCES Fail to execute entry point due to lack of >> + resources. >> + @retval EFI_SUCCES All the related protocols are installed on >> + the driver. >> + >> +**/ >> +EFI_STATUS >> +EFIAPI >> +ConsolePrefDxeEntryPoint ( >> + IN EFI_HANDLE ImageHandle, >> + IN EFI_SYSTEM_TABLE *SystemTable >> + ) >> +{ >> + EFI_STATUS Status; >> + CONSOLE_PREF_VARSTORE_DATA ConsolePref; >> + UINTN BufferSize; >> + >> + // >> + // Get the current console preference from the ConsolePref variable. >> + // >> + BufferSize = sizeof (ConsolePref); >> + Status = gRT->GetVariable (CONSOLE_PREF_VARIABLE_NAME, >> + &gConsolePrefFormSetGuid, NULL, &BufferSize, &ConsolePref); >> + if (EFI_ERROR (Status)) { >> + DEBUG ((DEBUG_INFO, >> + "%a: no console preference found, defaulting to graphical\n", >> + __FUNCTION__)); >> + ConsolePref.Console = CONSOLE_PREF_GRAPHICAL; >> + } >> + >> + if (!EFI_ERROR (Status) && >> + ConsolePref.Console != CONSOLE_PREF_GRAPHICAL && >> + ConsolePref.Console != CONSOLE_PREF_SERIAL) { >> + DEBUG ((DEBUG_WARN, "%a: invalid value for %s, defaulting to graphical\n", >> + __FUNCTION__, CONSOLE_PREF_VARIABLE_NAME)); >> + ConsolePref.Console = CONSOLE_PREF_GRAPHICAL; >> + Status = EFI_INVALID_PARAMETER; // trigger setvar below >> + } >> + >> + // >> + // Write the newly selected value back to the variable store. >> + // >> + if (EFI_ERROR (Status)) { >> + ZeroMem (&ConsolePref.Reserved, sizeof (ConsolePref.Reserved)); >> + Status = gRT->SetVariable (CONSOLE_PREF_VARIABLE_NAME, >> + &gConsolePrefFormSetGuid, >> + EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS, >> + sizeof (ConsolePref), &ConsolePref); >> + >> + if (EFI_ERROR (Status)) { >> + DEBUG ((DEBUG_ERROR, "%a: gRT->SetVariable () failed - %r\n", >> + __FUNCTION__, Status)); >> + return Status; >> + } >> + } >> + >> + Status = gBS->CreateEventEx (EVT_NOTIFY_SIGNAL, TPL_CALLBACK, >> + OnReadyToBoot, NULL, &gEfiEventReadyToBootGuid, >> + &mReadyToBootEvent); >> + ASSERT_EFI_ERROR (Status); >> + >> + return InstallHiiPages (); >> +} >> diff --git a/EmbeddedPkg/Drivers/ConsolePrefDxe/ConsolePrefDxe.h b/EmbeddedPkg/Drivers/ConsolePrefDxe/ConsolePrefDxe.h >> new file mode 100644 >> index 000000000000..8315e739d3b3 >> --- /dev/null >> +++ b/EmbeddedPkg/Drivers/ConsolePrefDxe/ConsolePrefDxe.h >> @@ -0,0 +1,31 @@ >> +/** @file >> +* >> +* Copyright (c) 2017, Linaro Limited. All rights reserved. >> +* >> +* 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. >> +* >> +**/ >> + >> +#ifndef __CONSOLE_PREF_DXE_H__ >> +#define __CONSOLE_PREF_DXE_H__ >> + >> +#include >> +#include >> + >> +#define CONSOLE_PREF_GRAPHICAL 0x0 >> +#define CONSOLE_PREF_SERIAL 0x1 >> + >> +#define CONSOLE_PREF_VARIABLE_NAME L"ConsolePref" >> + >> +typedef struct { >> + UINT8 Console; >> + UINT8 Reserved[3]; >> +} CONSOLE_PREF_VARSTORE_DATA; >> + >> +#endif >> diff --git a/EmbeddedPkg/Drivers/ConsolePrefDxe/ConsolePrefDxe.inf b/EmbeddedPkg/Drivers/ConsolePrefDxe/ConsolePrefDxe.inf >> new file mode 100644 >> index 000000000000..d8b412b9200a >> --- /dev/null >> +++ b/EmbeddedPkg/Drivers/ConsolePrefDxe/ConsolePrefDxe.inf >> @@ -0,0 +1,62 @@ >> +## @file >> +# >> +# Copyright (c) 2017, Linaro, Ltd. All rights reserved.
>> +# >> +# 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 = 0x00010019 >> + BASE_NAME = ConsolePrefDxe >> + FILE_GUID = bbe2668c-0efc-46fb-9137-4f2da8f419f3 >> + MODULE_TYPE = DXE_DRIVER >> + VERSION_STRING = 1.0 >> + ENTRY_POINT = ConsolePrefDxeEntryPoint >> + >> +# >> +# The following information is for reference only and not required by the build tools. >> +# >> +# VALID_ARCHITECTURES = IA32 X64 ARM AARCH64 >> +# >> + >> +[Sources] >> + ConsolePrefDxe.c >> + ConsolePrefHii.vfr >> + ConsolePrefHii.uni >> + >> +[Packages] >> + EmbeddedPkg/EmbeddedPkg.dec >> + MdePkg/MdePkg.dec >> + MdeModulePkg/MdeModulePkg.dec >> + >> +[LibraryClasses] >> + BaseLib >> + DebugLib >> + FdtLib >> + HiiLib >> + UefiBootServicesTableLib >> + UefiDriverEntryPoint >> + UefiLib >> + UefiRuntimeServicesTableLib >> + >> +[Guids] >> + gConsolePrefFormSetGuid >> + gFdtTableGuid >> + gEfiEventReadyToBootGuid >> + >> +[Protocols] >> + gEfiAcpiTableProtocolGuid >> + gEfiAcpiSdtProtocolGuid >> + gEfiGraphicsOutputProtocolGuid >> + >> +[Depex] >> + gEfiVariableArchProtocolGuid AND >> + gEfiVariableWriteArchProtocolGuid >> diff --git a/EmbeddedPkg/Drivers/ConsolePrefDxe/ConsolePrefHii.uni b/EmbeddedPkg/Drivers/ConsolePrefDxe/ConsolePrefHii.uni >> new file mode 100644 >> index 000000000000..947cf70a4849 >> --- /dev/null >> +++ b/EmbeddedPkg/Drivers/ConsolePrefDxe/ConsolePrefHii.uni >> @@ -0,0 +1,27 @@ >> +/** @file >> +* >> +* Copyright (c) 2017, Linaro, Ltd. All rights reserved. >> +* >> +* 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. >> +* >> +**/ >> + >> +#langdef en-US "English" >> + >> +#string STR_FORM_SET_TITLE #language en-US "Console Preference Selection" >> +#string STR_FORM_SET_TITLE_HELP #language en-US "Press to choose between graphical and serial console." >> + >> +#string STR_MAIN_FORM_TITLE #language en-US "Console Preference Selection" >> +#string STR_NULL_STRING #language en-US "" >> + >> +#string STR_CONSOLE_PREF_SELECT_PROMPT #language en-US "Preferred console" >> +#string STR_CONSOLE_PREF_SELECT_HELP #language en-US "Select the preferred console if both graphical and serial are available." >> + >> +#string STR_CONSOLE_PREF_GRAPHICAL #language en-US "Graphical" >> +#string STR_CONSOLE_PREF_SERIAL #language en-US "Serial" >> diff --git a/EmbeddedPkg/Drivers/ConsolePrefDxe/ConsolePrefHii.vfr b/EmbeddedPkg/Drivers/ConsolePrefDxe/ConsolePrefHii.vfr >> new file mode 100644 >> index 000000000000..a1e603abf0ce >> --- /dev/null >> +++ b/EmbeddedPkg/Drivers/ConsolePrefDxe/ConsolePrefHii.vfr >> @@ -0,0 +1,51 @@ >> +/** @file >> +* >> +* Copyright (c) 2017, Linaro, Ltd. All rights reserved. >> +* >> +* 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 "ConsolePrefDxe.h" >> + >> +// >> +// EFI Variable attributes >> +// >> +#define EFI_VARIABLE_NON_VOLATILE 0x00000001 >> +#define EFI_VARIABLE_BOOTSERVICE_ACCESS 0x00000002 >> +#define EFI_VARIABLE_RUNTIME_ACCESS 0x00000004 >> +#define EFI_VARIABLE_READ_ONLY 0x00000008 >> + >> +formset >> + guid = CONSOLE_PREF_FORMSET_GUID, >> + title = STRING_TOKEN(STR_FORM_SET_TITLE), >> + help = STRING_TOKEN(STR_FORM_SET_TITLE_HELP), >> + classguid = EFI_HII_PLATFORM_SETUP_FORMSET_GUID, >> + >> + efivarstore CONSOLE_PREF_VARSTORE_DATA, >> + attribute = EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_NON_VOLATILE, // EFI variable attributes >> + name = ConsolePref, >> + guid = CONSOLE_PREF_FORMSET_GUID; >> + >> + form formid = 0x1000, >> + title = STRING_TOKEN(STR_MAIN_FORM_TITLE); >> + >> + oneof varid = ConsolePref.Console, >> + prompt = STRING_TOKEN(STR_CONSOLE_PREF_SELECT_PROMPT), >> + help = STRING_TOKEN(STR_CONSOLE_PREF_SELECT_HELP), >> + flags = NUMERIC_SIZE_1 | INTERACTIVE, >> + option text = STRING_TOKEN(STR_CONSOLE_PREF_GRAPHICAL), value = CONSOLE_PREF_GRAPHICAL, flags = DEFAULT; >> + option text = STRING_TOKEN(STR_CONSOLE_PREF_SERIAL), value = CONSOLE_PREF_SERIAL, flags = 0; >> + endoneof; >> + >> + subtitle text = STRING_TOKEN(STR_NULL_STRING); >> + >> + endform; >> + >> +endformset; >> diff --git a/EmbeddedPkg/EmbeddedPkg.dec b/EmbeddedPkg/EmbeddedPkg.dec >> index 151b1d503dee..52482af13aeb 100644 >> --- a/EmbeddedPkg/EmbeddedPkg.dec >> +++ b/EmbeddedPkg/EmbeddedPkg.dec >> @@ -67,6 +67,9 @@ [Guids.common] >> # File GUID for default DTB image embedded in the firmware volume >> gDtPlatformDefaultDtbFileGuid = { 0x25462cda, 0x221f, 0x47df, { 0xac, 0x1d, 0x25, 0x9c, 0xfa, 0xa4, 0xe3, 0x26 } } >> >> + # HII form set GUID for ConsolePrefDxe driver >> + gConsolePrefFormSetGuid = { 0x2d2358b4, 0xe96c, 0x484d, { 0xb2, 0xdd, 0x7c, 0x2e, 0xdf, 0xc7, 0xd5, 0x6f } } >> + >> [Protocols.common] >> gHardwareInterruptProtocolGuid = { 0x2890B3EA, 0x053D, 0x1643, { 0xAD, 0x0C, 0xD6, 0x48, 0x08, 0xDA, 0x3F, 0xF1 } } >> gHardwareInterrupt2ProtocolGuid = { 0x32898322, 0x2da1, 0x474a, { 0xba, 0xaa, 0xf3, 0xf7, 0xcf, 0x56, 0x94, 0x70 } } >> diff --git a/EmbeddedPkg/Include/Guid/ConsolePrefFormSet.h b/EmbeddedPkg/Include/Guid/ConsolePrefFormSet.h >> new file mode 100644 >> index 000000000000..f3cca1d15dfa >> --- /dev/null >> +++ b/EmbeddedPkg/Include/Guid/ConsolePrefFormSet.h >> @@ -0,0 +1,23 @@ >> +/** @file >> +* >> +* Copyright (c) 2017, Linaro Limited. All rights reserved. >> +* >> +* 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. >> +* >> +**/ >> + >> +#ifndef __CONSOLE_PREF_FORMSET_H__ >> +#define __CONSOLE_PREF_FORMSET_H__ >> + >> +#define CONSOLE_PREF_FORMSET_GUID \ >> + { 0x2d2358b4, 0xe96c, 0x484d, { 0xb2, 0xdd, 0x7c, 0x2e, 0xdf, 0xc7, 0xd5, 0x6f } } >> + >> +extern EFI_GUID gConsolePrefFormSetGuid; >> + >> +#endif >> -- >> 2.11.0 >>