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audk/OvmfPkg/PlatformDxe/Platform.inf

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OvmfPkg: introduce empty PlatformDxe This DXE driver will load/save persistent values for OVMF's config knobs, plus expose those knobs via HII. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15364 6f19259b-4bc3-4df7-8a09-765794883524
2014-03-22 08:12:55 +01:00
## @file
# This driver effectuates OVMF's platform configuration settings and exposes
# them via HII.
#
# Copyright (C) 2014, Red Hat, Inc.
# Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
#
OvmfPkg: Replace BSD License with BSD+Patent License https://bugzilla.tianocore.org/show_bug.cgi?id=1373 Replace BSD 2-Clause License with BSD+Patent License. This change is based on the following emails: https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html RFCs with detailed process for the license change: V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com>
2019-04-04 01:06:33 +02:00
# SPDX-License-Identifier: BSD-2-Clause-Patent
OvmfPkg: introduce empty PlatformDxe This DXE driver will load/save persistent values for OVMF's config knobs, plus expose those knobs via HII. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15364 6f19259b-4bc3-4df7-8a09-765794883524
2014-03-22 08:12:55 +01:00
##
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = PlatformDxe
FILE_GUID = D9DCC5DF-4007-435E-9098-8970935504B2
MODULE_TYPE = DXE_DRIVER
VERSION_STRING = 1.0
ENTRY_POINT = PlatformInit
UNLOAD_IMAGE = PlatformUnload
[Sources]
Platform.c
OvmfPkg/PlatformDxe: list "Platform.h" in the INF file The header file defines HII-related macros and types that are shared between the form description in "PlatformForms.vfr" and the HII driver logic "Platform.c". Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: Jordan Justen <jordan.l.justen@intel.com> Suggested-by: Michael Kinney <michael.d.kinney@intel.com> Ref: http://mid.mail-archive.com/E92EE9817A31E24EB0585FDF735412F56327F7D3@ORSMSX113.amr.corp.intel.com Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
2018-03-10 22:06:34 +01:00
Platform.h
OvmfPkg: PlatformDxe: add an empty HII form ... which opens from the Device Manager window. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15367 6f19259b-4bc3-4df7-8a09-765794883524
2014-03-22 08:13:18 +01:00
Platform.uni
OvmfPkg: PlatformDxe: utility functions for saving / loading configuration The two functions introduced here allow the saving and loading of platform configuration to/from the non-volatile variable store. The PLATFORM_CONFIG structure and the two functions that take it / return it are generally meant for any DXE or UEFI driver that needs to access platform configuration. For now we keep this small "library" internal to PlatformDxe. The PLATFORM_CONFIG wire format is intended only to grow over time (as long as the variable GUID remains unchanged). At the introduction of new fields, new feature flags must be added, and recognized in PlatformConfigLoad(). Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15365 6f19259b-4bc3-4df7-8a09-765794883524
2014-03-22 08:13:02 +01:00
PlatformConfig.c
OvmfPkg/PlatformDxe: list "PlatformConfig.h" in the INF file The header file declares the PlatformConfigSave() and PlatformConfigLoad() functions (and defines related types and macros). The functions are defined in "PlatformConfig.c" and called from "Platform.c". Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: Jordan Justen <jordan.l.justen@intel.com> Suggested-by: Michael Kinney <michael.d.kinney@intel.com> Ref: http://mid.mail-archive.com/E92EE9817A31E24EB0585FDF735412F56327F7D3@ORSMSX113.amr.corp.intel.com Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
2018-03-10 22:06:34 +01:00
PlatformConfig.h
OvmfPkg: PlatformDxe: add an empty HII form ... which opens from the Device Manager window. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15367 6f19259b-4bc3-4df7-8a09-765794883524
2014-03-22 08:13:18 +01:00
PlatformForms.vfr
OvmfPkg: introduce empty PlatformDxe This DXE driver will load/save persistent values for OVMF's config knobs, plus expose those knobs via HII. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15364 6f19259b-4bc3-4df7-8a09-765794883524
2014-03-22 08:12:55 +01:00
[Packages]
MdePkg/MdePkg.dec
MdeModulePkg/MdeModulePkg.dec
OvmfPkg/OvmfPkg.dec
[LibraryClasses]
OvmfPkg: PlatformDxe: add form widgets for video modes In this patch we populate the form with the two widgets related to video resolution: - A read-only string field displaying the preference for the next boot. - A drop-down list offering choices for changing the setting. This list is implemented with dynamically generated IFR opcodes. (In general, the current preference may be missing, or it may be invalid for the available video RAM size. The list of possible new settings is filtered with the video RAM size.) Because the form now becomes able to receive input, we must also implement ExtractConfig(). This function tells the HII engine about the state of the widgets. For now we set up both widgets with static data only: - The current preference always says "Unset". The driver code is still isolated from the backend (the UEFI variable store). - The list of possible resolutions offers 800x600 only. We don't interrogate the GOP yet. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15369 6f19259b-4bc3-4df7-8a09-765794883524
2014-03-22 08:13:31 +01:00
BaseLib
OvmfPkg: PlatformDxe: utility functions for saving / loading configuration The two functions introduced here allow the saving and loading of platform configuration to/from the non-volatile variable store. The PLATFORM_CONFIG structure and the two functions that take it / return it are generally meant for any DXE or UEFI driver that needs to access platform configuration. For now we keep this small "library" internal to PlatformDxe. The PLATFORM_CONFIG wire format is intended only to grow over time (as long as the variable GUID remains unchanged). At the introduction of new fields, new feature flags must be added, and recognized in PlatformConfigLoad(). Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15365 6f19259b-4bc3-4df7-8a09-765794883524
2014-03-22 08:13:02 +01:00
BaseMemoryLib
OvmfPkg: introduce empty PlatformDxe This DXE driver will load/save persistent values for OVMF's config knobs, plus expose those knobs via HII. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15364 6f19259b-4bc3-4df7-8a09-765794883524
2014-03-22 08:12:55 +01:00
DebugLib
OvmfPkg: PlatformDxe: add an empty HII form ... which opens from the Device Manager window. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15367 6f19259b-4bc3-4df7-8a09-765794883524
2014-03-22 08:13:18 +01:00
DevicePathLib
HiiLib
OvmfPkg: PlatformDxe: utility functions for saving / loading configuration The two functions introduced here allow the saving and loading of platform configuration to/from the non-volatile variable store. The PLATFORM_CONFIG structure and the two functions that take it / return it are generally meant for any DXE or UEFI driver that needs to access platform configuration. For now we keep this small "library" internal to PlatformDxe. The PLATFORM_CONFIG wire format is intended only to grow over time (as long as the variable GUID remains unchanged). At the introduction of new fields, new feature flags must be added, and recognized in PlatformConfigLoad(). Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15365 6f19259b-4bc3-4df7-8a09-765794883524
2014-03-22 08:13:02 +01:00
MemoryAllocationLib
OvmfPkg: PlatformDxe: get available resolutions from GOP Generate the options for the drop-down list from the GOP resolutions. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15372 6f19259b-4bc3-4df7-8a09-765794883524
2014-03-22 08:13:50 +01:00
PrintLib
OvmfPkg: introduce empty PlatformDxe This DXE driver will load/save persistent values for OVMF's config knobs, plus expose those knobs via HII. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15364 6f19259b-4bc3-4df7-8a09-765794883524
2014-03-22 08:12:55 +01:00
UefiBootServicesTableLib
OvmfPkg: PlatformDxe: add form widgets for video modes In this patch we populate the form with the two widgets related to video resolution: - A read-only string field displaying the preference for the next boot. - A drop-down list offering choices for changing the setting. This list is implemented with dynamically generated IFR opcodes. (In general, the current preference may be missing, or it may be invalid for the available video RAM size. The list of possible new settings is filtered with the video RAM size.) Because the form now becomes able to receive input, we must also implement ExtractConfig(). This function tells the HII engine about the state of the widgets. For now we set up both widgets with static data only: - The current preference always says "Unset". The driver code is still isolated from the backend (the UEFI variable store). - The list of possible resolutions offers 800x600 only. We don't interrogate the GOP yet. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15369 6f19259b-4bc3-4df7-8a09-765794883524
2014-03-22 08:13:31 +01:00
UefiHiiServicesLib
OvmfPkg: PlatformDxe: utility functions for saving / loading configuration The two functions introduced here allow the saving and loading of platform configuration to/from the non-volatile variable store. The PLATFORM_CONFIG structure and the two functions that take it / return it are generally meant for any DXE or UEFI driver that needs to access platform configuration. For now we keep this small "library" internal to PlatformDxe. The PLATFORM_CONFIG wire format is intended only to grow over time (as long as the variable GUID remains unchanged). At the introduction of new fields, new feature flags must be added, and recognized in PlatformConfigLoad(). Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15365 6f19259b-4bc3-4df7-8a09-765794883524
2014-03-22 08:13:02 +01:00
UefiLib
UefiRuntimeServicesTableLib
OvmfPkg: introduce empty PlatformDxe This DXE driver will load/save persistent values for OVMF's config knobs, plus expose those knobs via HII. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15364 6f19259b-4bc3-4df7-8a09-765794883524
2014-03-22 08:12:55 +01:00
UefiDriverEntryPoint
OvmfPkg: PlatformDxe: set preferred video resolution from platform config The GraphicsConsoleDxe driver (in MdeModulePkg/Universal/Console) determines the preferred video resolution from the dynamic PCDs - gEfiMdeModulePkgTokenSpaceGuid.PcdVideoHorizontalResolution - gEfiMdeModulePkgTokenSpaceGuid.PcdVideoVerticalResolution Setting the graphics resolution during boot is useful when the guest OS (for lack of a dedicated display driver) continues to work with the original GOP resolution and framebuffer. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15366 6f19259b-4bc3-4df7-8a09-765794883524
2014-03-22 08:13:09 +01:00
[Pcd]
gEfiMdeModulePkgTokenSpaceGuid.PcdVideoHorizontalResolution
gEfiMdeModulePkgTokenSpaceGuid.PcdVideoVerticalResolution
OvmfPkg: add PcdVideoResolutionSource It's a UINT8 (enum) PCD telling where the PcdVideoHorizontalResolution and PcdVideoVerticalResolution values are coming from. It can be: 0 (unset aka default from dsc file), or 1 (from PlatformConfig), or 2 (set by Video Driver). It will be used by video drivers to avoid overriding PlatformConfig values, or override each others values in case multiple display devices are present. The underlying problem this tries to solve is that the GOP protocol has no way to indicate the preferred video mode. On physical hardware this isn't much of a problem because using the highest resolution available works just fine as that is typically the native display resolution But in a virtual machine you don't want come up with a huge 4k window by default just because the virtual vga is able to handle that. Cutting down the video mode list isn't a great solution either as that would also remove the modes from the platform configuration so the user wouldn't be able to pick a resolution higher than the default any more. So with patch drivers can use use PcdVideoHorizontalResolution and PcdVideoVerticalResolution to indicate what the preferred display resolution is, without overwriting the user preferences from PlatformConfig if present. A possible alternative approach would be to extend the GOP protocol, but I'm not sure this is a good plan given this is mostly a problem for virtual machines and using PCDs allows to keep this local to OvmfPkg. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Ard Biesheuvel <ardb@kernel.org>
2022-01-29 17:26:14 +01:00
gUefiOvmfPkgTokenSpaceGuid.PcdVideoResolutionSource
OvmfPkg: PlatformDxe: set preferred video resolution from platform config The GraphicsConsoleDxe driver (in MdeModulePkg/Universal/Console) determines the preferred video resolution from the dynamic PCDs - gEfiMdeModulePkgTokenSpaceGuid.PcdVideoHorizontalResolution - gEfiMdeModulePkgTokenSpaceGuid.PcdVideoVerticalResolution Setting the graphics resolution during boot is useful when the guest OS (for lack of a dedicated display driver) continues to work with the original GOP resolution and framebuffer. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15366 6f19259b-4bc3-4df7-8a09-765794883524
2014-03-22 08:13:09 +01:00
OvmfPkg: PlatformDxe: add an empty HII form ... which opens from the Device Manager window. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15367 6f19259b-4bc3-4df7-8a09-765794883524
2014-03-22 08:13:18 +01:00
[Protocols]
gEfiDevicePathProtocolGuid ## PRODUCES
OvmfPkg: PlatformDxe: get available resolutions from GOP Generate the options for the drop-down list from the GOP resolutions. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15372 6f19259b-4bc3-4df7-8a09-765794883524
2014-03-22 08:13:50 +01:00
gEfiGraphicsOutputProtocolGuid ## CONSUMES
OvmfPkg: PlatformDxe: add an empty HII form ... which opens from the Device Manager window. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15367 6f19259b-4bc3-4df7-8a09-765794883524
2014-03-22 08:13:18 +01:00
gEfiHiiConfigAccessProtocolGuid ## PRODUCES
OvmfPkg: PlatformDxe: utility functions for saving / loading configuration The two functions introduced here allow the saving and loading of platform configuration to/from the non-volatile variable store. The PLATFORM_CONFIG structure and the two functions that take it / return it are generally meant for any DXE or UEFI driver that needs to access platform configuration. For now we keep this small "library" internal to PlatformDxe. The PLATFORM_CONFIG wire format is intended only to grow over time (as long as the variable GUID remains unchanged). At the introduction of new fields, new feature flags must be added, and recognized in PlatformConfigLoad(). Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15365 6f19259b-4bc3-4df7-8a09-765794883524
2014-03-22 08:13:02 +01:00
[Guids]
OvmfPkg: PlatformDxe: add form widgets for video modes In this patch we populate the form with the two widgets related to video resolution: - A read-only string field displaying the preference for the next boot. - A drop-down list offering choices for changing the setting. This list is implemented with dynamically generated IFR opcodes. (In general, the current preference may be missing, or it may be invalid for the available video RAM size. The list of possible new settings is filtered with the video RAM size.) Because the form now becomes able to receive input, we must also implement ExtractConfig(). This function tells the HII engine about the state of the widgets. For now we set up both widgets with static data only: - The current preference always says "Unset". The driver code is still isolated from the backend (the UEFI variable store). - The list of possible resolutions offers 800x600 only. We don't interrogate the GOP yet. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15369 6f19259b-4bc3-4df7-8a09-765794883524
2014-03-22 08:13:31 +01:00
gEfiIfrTianoGuid
OvmfPkg: PlatformDxe: utility functions for saving / loading configuration The two functions introduced here allow the saving and loading of platform configuration to/from the non-volatile variable store. The PLATFORM_CONFIG structure and the two functions that take it / return it are generally meant for any DXE or UEFI driver that needs to access platform configuration. For now we keep this small "library" internal to PlatformDxe. The PLATFORM_CONFIG wire format is intended only to grow over time (as long as the variable GUID remains unchanged). At the introduction of new fields, new feature flags must be added, and recognized in PlatformConfigLoad(). Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15365 6f19259b-4bc3-4df7-8a09-765794883524
2014-03-22 08:13:02 +01:00
gOvmfPlatformConfigGuid
OvmfPkg: introduce empty PlatformDxe This DXE driver will load/save persistent values for OVMF's config knobs, plus expose those knobs via HII. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15364 6f19259b-4bc3-4df7-8a09-765794883524
2014-03-22 08:12:55 +01:00
[Depex]
OvmfPkg: PlatformDxe: add form widgets for video modes In this patch we populate the form with the two widgets related to video resolution: - A read-only string field displaying the preference for the next boot. - A drop-down list offering choices for changing the setting. This list is implemented with dynamically generated IFR opcodes. (In general, the current preference may be missing, or it may be invalid for the available video RAM size. The list of possible new settings is filtered with the video RAM size.) Because the form now becomes able to receive input, we must also implement ExtractConfig(). This function tells the HII engine about the state of the widgets. For now we set up both widgets with static data only: - The current preference always says "Unset". The driver code is still isolated from the backend (the UEFI variable store). - The list of possible resolutions offers 800x600 only. We don't interrogate the GOP yet. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15369 6f19259b-4bc3-4df7-8a09-765794883524
2014-03-22 08:13:31 +01:00
gEfiHiiConfigRoutingProtocolGuid AND
OvmfPkg: PlatformDxe: add an empty HII form ... which opens from the Device Manager window. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15367 6f19259b-4bc3-4df7-8a09-765794883524
2014-03-22 08:13:18 +01:00
gEfiHiiDatabaseProtocolGuid AND
OvmfPkg: PlatformDxe: utility functions for saving / loading configuration The two functions introduced here allow the saving and loading of platform configuration to/from the non-volatile variable store. The PLATFORM_CONFIG structure and the two functions that take it / return it are generally meant for any DXE or UEFI driver that needs to access platform configuration. For now we keep this small "library" internal to PlatformDxe. The PLATFORM_CONFIG wire format is intended only to grow over time (as long as the variable GUID remains unchanged). At the introduction of new fields, new feature flags must be added, and recognized in PlatformConfigLoad(). Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15365 6f19259b-4bc3-4df7-8a09-765794883524
2014-03-22 08:13:02 +01:00
gEfiVariableArchProtocolGuid AND
gEfiVariableWriteArchProtocolGuid