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Add WinNtGop driver into Nt32Pkg 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2784 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
klu2 2007-06-27 06:48:58 +00:00
parent 8879d432af
commit c9fc89a313
7 changed files with 2445 additions and 0 deletions
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1
Nt32Pkg/Nt32.dsc
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@ -411,3 +411,4 @@
$(WORKSPACE)\Nt32Pkg\WinNtBusDriverDxe\WinNtBusDriver.inf $(WORKSPACE)\Nt32Pkg\WinNtBusDriverDxe\WinNtBusDriver.inf
$(WORKSPACE)\Nt32Pkg\WinNtConsoleDxe\WinNtConsole.inf $(WORKSPACE)\Nt32Pkg\WinNtConsoleDxe\WinNtConsole.inf
$(WORKSPACE)\Nt32Pkg\WinNtSimpleFileSystemDxe\WinNtSimpleFileSystem.inf $(WORKSPACE)\Nt32Pkg\WinNtSimpleFileSystemDxe\WinNtSimpleFileSystem.inf
$(WORKSPACE)\Nt32Pkg\WinNtGopDxe\WinNtGop.inf

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Nt32Pkg/WinNtGopDxe/ComponentName.c Normal file
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/** @file
Copyright (c) 2006, Intel Corporation
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.
Module Name:
ComponentName.c
Abstract:
**/
//
// The package level header files this module uses
//
#include <Uefi.h>
#include <WinNtDxe.h>
//
// The protocols, PPI and GUID defintions for this module
//
#include <Guid/EventGroup.h>
#include <Protocol/WinNtIo.h>
#include <Protocol/ComponentName.h>
#include <Protocol/SimpleTextIn.h>
#include <Protocol/DriverBinding.h>
#include <Protocol/GraphicsOutput.h>
//
// The Library classes this module consumes
//
#include <Library/DebugLib.h>
#include <Library/BaseLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/UefiLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/MemoryAllocationLib.h>
#include "WinNtGop.h"
//
// EFI Component Name Functions
//
EFI_STATUS
EFIAPI
WinNtGopComponentNameGetDriverName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
);
EFI_STATUS
EFIAPI
WinNtGopComponentNameGetControllerName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
);
//
// EFI Component Name Protocol
//
EFI_COMPONENT_NAME_PROTOCOL gWinNtGopComponentName = {
WinNtGopComponentNameGetDriverName,
WinNtGopComponentNameGetControllerName,
"eng"
};
static EFI_UNICODE_STRING_TABLE mWinNtGopDriverNameTable[] = {
{ "eng", L"Windows GOP Driver" },
{ NULL , NULL }
};
/**
Retrieves a Unicode string that is the user readable name of the EFI Driver.
@param This A pointer to the EFI_COMPONENT_NAME_PROTOCOL
instance.
@param Language A pointer to a three character ISO 639-2 language
identifier. This is the language of the driver
name that that the caller is requesting, and it
must match one of the languages specified in
SupportedLanguages. The number of languages
supported by a driver is up to the driver writer.
@param DriverName A pointer to the Unicode string to return. This
Unicode string is the name of the driver specified
by This in the language specified by Language.
@retval EFI_SUCCESS The Unicode string for the Driver specified by
This and the language specified by Language was
returned in DriverName.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER DriverName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This does not support the
language specified by Language.
**/
EFI_STATUS
EFIAPI
WinNtGopComponentNameGetDriverName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
)
{
return LookupUnicodeString (
Language,
gWinNtGopComponentName.SupportedLanguages,
mWinNtGopDriverNameTable,
DriverName
);
}
/**
Retrieves a Unicode string that is the user readable name of the controller
that is being managed by an EFI Driver.
@param This A pointer to the EFI_COMPONENT_NAME_PROTOCOL
instance.
@param ControllerHandle The handle of a controller that the driver
specified by This is managing. This handle
specifies the controller whose name is to be
returned.
@param ChildHandle The handle of the child controller to retrieve the
name of. This is an optional parameter that may
be NULL. It will be NULL for device drivers. It
will also be NULL for a bus drivers that wish to
retrieve the name of the bus controller. It will
not be NULL for a bus driver that wishes to
retrieve the name of a child controller.
@param Language A pointer to a three character ISO 639-2 language
identifier. This is the language of the
controller name that that the caller is
requesting, and it must match one of the languages
specified in SupportedLanguages. The number of
languages supported by a driver is up to the
driver writer.
@param ControllerName A pointer to the Unicode string to return. This
Unicode string is the name of the controller
specified by ControllerHandle and ChildHandle in
the language specified by Language from the point
of view of the driver specified by This.
@retval EFI_SUCCESS The Unicode string for the user readable name in
the language specified by Language for the driver
specified by This was returned in DriverName.
@retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
EFI_HANDLE.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER ControllerName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This is not currently
managing the controller specified by
ControllerHandle and ChildHandle.
@retval EFI_UNSUPPORTED The driver specified by This does not support the
language specified by Language.
**/
EFI_STATUS
EFIAPI
WinNtGopComponentNameGetControllerName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
)
{
EFI_STATUS Status;
EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;
GOP_PRIVATE_DATA *Private;
//
// This is a device driver, so ChildHandle must be NULL.
//
if (ChildHandle != NULL) {
return EFI_UNSUPPORTED;
}
//
// Make sure this driver is currently managing ControllerHandle
//
Status = EfiTestManagedDevice (
ControllerHandle,
gWinNtGopDriverBinding.DriverBindingHandle,
&gEfiWinNtIoProtocolGuid
);
if (EFI_ERROR (Status)) {
return EFI_UNSUPPORTED;
}
//
// Get our context back
//
Status = gBS->OpenProtocol (
ControllerHandle,
&gEfiGraphicsOutputProtocolGuid,
&GraphicsOutput,
gWinNtGopDriverBinding.DriverBindingHandle,
ControllerHandle,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (EFI_ERROR (Status)) {
return EFI_UNSUPPORTED;
}
Private = GOP_PRIVATE_DATA_FROM_THIS (GraphicsOutput);
return LookupUnicodeString (
Language,
gWinNtGopComponentName.SupportedLanguages,
Private->ControllerNameTable,
ControllerName
);
}

326
Nt32Pkg/WinNtGopDxe/WinNtGop.h Normal file
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/** @file
Copyright (c) 2006, Intel Corporation
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.
Module Name:
WinNtGop.h
Abstract:
Private data for the Gop driver that is bound to the WinNt Thunk protocol
**/
#ifndef _WIN_NT_GOP_H_
#define _WIN_NT_GOP_H_
//
// Include common header file for this module.
//
#include "CommonHeader.h"
//@MT:#include "EfiWinNT.h"
//@MT:#include "Tiano.h"
//@MT:#include "EfiDriverLib.h"
//
// Driver Consumed Protocols
//
//@MT:#include EFI_PROTOCOL_DEFINITION (DevicePath)
//@MT:#include EFI_PROTOCOL_DEFINITION (WinNtIo)
//
// Driver Produced Protocols
//
//@MT:#include EFI_PROTOCOL_DEFINITION (DriverBinding)
//@MT:#include EFI_PROTOCOL_DEFINITION (ComponentName)
//@MT:#include EFI_PROTOCOL_DEFINITION (GraphicsOutput)
//@MT:#include "LinkedList.h"
#define MAX_Q 256
typedef struct {
UINTN Front;
UINTN Rear;
UINTN Count;
EFI_INPUT_KEY Q[MAX_Q];
} GOP_QUEUE_FIXED;
#define WIN_NT_GOP_CLASS_NAME L"WinNtGopWindow"
#define GOP_PRIVATE_DATA_SIGNATURE EFI_SIGNATURE_32 ('S', 'g', 'o', 'N')
#define GRAPHICS_OUTPUT_INVALIDE_MODE_NUMBER 0xffff
typedef struct {
UINT32 HorizontalResolution;
UINT32 VerticalResolution;
UINT32 ColorDepth;
UINT32 RefreshRate;
} GOP_MODE_DATA;
typedef struct {
UINT64 Signature;
EFI_HANDLE Handle;
EFI_GRAPHICS_OUTPUT_PROTOCOL GraphicsOutput;
EFI_SIMPLE_TEXT_INPUT_PROTOCOL SimpleTextIn;
EFI_WIN_NT_THUNK_PROTOCOL *WinNtThunk;
EFI_UNICODE_STRING_TABLE *ControllerNameTable;
//
// GOP Private Data for QueryMode ()
//
GOP_MODE_DATA *ModeData;
//
// GOP Private Data knowing when to start hardware
//
BOOLEAN HardwareNeedsStarting;
CHAR16 *WindowName;
CHAR16 Buffer[160];
HANDLE ThreadInited; // Semaphore
HANDLE ThreadHandle; // Thread
DWORD ThreadId;
HWND WindowHandle;
WNDCLASSEX WindowsClass;
//
// This screen is used to redraw the scree when windows events happen. It's
// updated in the main thread and displayed in the windows thread.
//
BITMAPV4HEADER *VirtualScreenInfo;
RGBQUAD *VirtualScreen;
EFI_GRAPHICS_OUTPUT_BLT_PIXEL *FillLine;
//
// Keyboard Queue used by Simple Text In. WinProc thread adds, and main
// thread removes.
//
CRITICAL_SECTION QCriticalSection;
GOP_QUEUE_FIXED Queue;
} GOP_PRIVATE_DATA;
#define GOP_PRIVATE_DATA_FROM_THIS(a) \
CR(a, GOP_PRIVATE_DATA, GraphicsOutput, GOP_PRIVATE_DATA_SIGNATURE)
#define GOP_PRIVATE_DATA_FROM_TEXT_IN_THIS(a) \
CR(a, GOP_PRIVATE_DATA, SimpleTextIn, GOP_PRIVATE_DATA_SIGNATURE)
//
// Global Protocol Variables
//
extern EFI_DRIVER_BINDING_PROTOCOL gWinNtGopDriverBinding;
extern EFI_COMPONENT_NAME_PROTOCOL gWinNtGopComponentName;
//
// Gop Hardware abstraction internal worker functions
//
/**
TODO: Add function description
@param WinNtIo TODO: add argument description
@return TODO: add return values
**/
EFI_STATUS
WinNtGopSupported (
IN EFI_WIN_NT_IO_PROTOCOL *WinNtIo
)
;
/**
TODO: Add function description
@param Private TODO: add argument description
@return TODO: add return values
**/
EFI_STATUS
WinNtGopConstructor (
IN GOP_PRIVATE_DATA *Private
)
;
/**
TODO: Add function description
@param Private TODO: add argument description
@return TODO: add return values
**/
EFI_STATUS
WinNtGopDestructor (
IN GOP_PRIVATE_DATA *Private
)
;
//
// EFI 1.1 driver model prototypes for Win NT GOP
//
/**
TODO: Add function description
@param ImageHandle TODO: add argument description
@param SystemTable TODO: add argument description
@return TODO: add return values
**/
EFI_STATUS
EFIAPI
WinNtGopInitialize (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
;
/**
TODO: Add function description
@param This TODO: add argument description
@param Handle TODO: add argument description
@param RemainingDevicePath TODO: add argument description
@return TODO: add return values
**/
EFI_STATUS
EFIAPI
WinNtGopDriverBindingSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Handle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
;
/**
TODO: Add function description
@param This TODO: add argument description
@param Handle TODO: add argument description
@param RemainingDevicePath TODO: add argument description
@return TODO: add return values
**/
EFI_STATUS
EFIAPI
WinNtGopDriverBindingStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Handle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
;
/**
TODO: Add function description
@param This TODO: add argument description
@param Handle TODO: add argument description
@param NumberOfChildren TODO: add argument description
@param ChildHandleBuffer TODO: add argument description
@return TODO: add return values
**/
EFI_STATUS
EFIAPI
WinNtGopDriverBindingStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Handle,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
)
;
/**
TODO: Add function description
@param Private TODO: add argument description
@param Key TODO: add argument description
@return TODO: add return values
**/
EFI_STATUS
GopPrivateAddQ (
IN GOP_PRIVATE_DATA *Private,
IN EFI_INPUT_KEY Key
)
;
/**
TODO: Add function description
@param Private TODO: add argument description
@return TODO: add return values
**/
EFI_STATUS
WinNtGopInitializeSimpleTextInForWindow (
IN GOP_PRIVATE_DATA *Private
)
;
/**
TODO: Add function description
@param Private TODO: add argument description
@return TODO: add return values
**/
EFI_STATUS
WinNtGopDestroySimpleTextInForWindow (
IN GOP_PRIVATE_DATA *Private
)
;
/**
TODO: Add function description
@param String TODO: add argument description
@return TODO: add return values
**/
UINTN
Atoi (
IN CHAR16 *String
)
;
#endif

119
Nt32Pkg/WinNtGopDxe/WinNtGop.inf Normal file
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@ -0,0 +1,119 @@
#/** @file
# Gop Driver
#
# GOP is short hand for UEFI Graphics Output protocol.
# This file is a verision of GopIo the uses WinNtThunk system calls as an IO
# abstraction. For a PCI device WinNtIo would be replaced with
# a PCI IO abstraction that abstracted a specific PCI device.
# Copyright (c) 2006 - 2007, Intel Corporation
#
# 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 Section - statements that will be processed to create a Makefile.
#
################################################################################
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = WinNtGop
FILE_GUID = 29b3c4c6-e5aa-49e4-8ce0-2772f782ddc2
MODULE_TYPE = UEFI_DRIVER
VERSION_STRING = 1.0
EDK_RELEASE_VERSION = 0x00020000
EFI_SPECIFICATION_VERSION = 0x00020000
ENTRY_POINT = InitializeWinNtGop
#
# The following information is for reference only and not required by the build tools.
#
# VALID_ARCHITECTURES = IA32
#
# DRIVER_BINDING = gWinNtGopDriverBinding
# COMPONENT_NAME = gWinNtGopComponentName
#
################################################################################
#
# Sources Section - list of files that are required for the build to succeed.
#
################################################################################
[Sources.common]
WinNtGopDriver.c
ComponentName.c
WinNtGop.h
WinNtGopInput.c
WinNtGopScreen.c
################################################################################
#
# Includes Section - list of Include locations that are required for
# this module.
#
################################################################################
[Includes]
$(WORKSPACE)/MdePkg/Include/Library
################################################################################
#
# Package Dependency Section - list of Package files that are required for
# this module.
#
################################################################################
[Packages]
Nt32Pkg/Nt32Pkg.dec
MdePkg/MdePkg.dec
################################################################################
#
# Library Class Section - list of Library Classes that are required for
# this module.
#
################################################################################
[LibraryClasses]
MemoryAllocationLib
UefiBootServicesTableLib
BaseMemoryLib
UefiLib
UefiDriverEntryPoint
BaseLib
DebugLib
################################################################################
#
# Guid C Name Section - list of Guids that this module uses or produces.
#
################################################################################
[Guids]
gEfiEventExitBootServicesGuid # SOMETIMES_CONSUMED Create Event: EVENT_GROUP_GUID
gEfiWinNtGopGuid # ALWAYS_CONSUMED
################################################################################
#
# Protocol C Name Section - list of Protocol and Protocol Notify C Names
# that this module uses or produces.
#
################################################################################
[Protocols]
gEfiGraphicsOutputProtocolGuid # PROTOCOL BY_START
gEfiSimpleTextInProtocolGuid # PROTOCOL BY_START
gEfiWinNtIoProtocolGuid # PROTOCOL TO_START

378
Nt32Pkg/WinNtGopDxe/WinNtGopDriver.c Normal file
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/** @file
Copyright (c) 2006 - 2007, Intel Corporation
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.
Module Name:
WinNtGopDriver.c
Abstract:
This file implements the UEFI Device Driver model requirements for GOP
GOP is short hand for Graphics Output Protocol.
**/
//
// The package level header files this module uses
//
#include <Uefi.h>
#include <WinNtDxe.h>
//
// The protocols, PPI and GUID defintions for this module
//
#include <Guid/EventGroup.h>
#include <Protocol/WinNtIo.h>
#include <Protocol/ComponentName.h>
#include <Protocol/SimpleTextIn.h>
#include <Protocol/DriverBinding.h>
#include <Protocol/GraphicsOutput.h>
//
// The Library classes this module consumes
//
#include <Library/DebugLib.h>
#include <Library/BaseLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/UefiLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/MemoryAllocationLib.h>
#include "WinNtGop.h"
EFI_DRIVER_BINDING_PROTOCOL gWinNtGopDriverBinding = {
WinNtGopDriverBindingSupported,
WinNtGopDriverBindingStart,
WinNtGopDriverBindingStop,
0xa,
NULL,
NULL
};
/**
The user Entry Point for module WinNtGop. The user code starts with this function.
@param[in] ImageHandle The firmware allocated handle for the EFI image.
@param[in] SystemTable A pointer to the EFI System Table.
@retval EFI_SUCCESS The entry point is executed successfully.
@retval other Some error occurs when executing this entry point.
**/
EFI_STATUS
EFIAPI
InitializeWinNtGop(
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
//
// Install driver model protocol(s).
//
Status = EfiLibInstallAllDriverProtocols (
ImageHandle,
SystemTable,
&gWinNtGopDriverBinding,
ImageHandle,
&gWinNtGopComponentName,
NULL,
NULL
);
ASSERT_EFI_ERROR (Status);
return Status;
}
/**
@return None
**/
// TODO: This - add argument and description to function comment
// TODO: Handle - add argument and description to function comment
// TODO: RemainingDevicePath - add argument and description to function comment
EFI_STATUS
EFIAPI
WinNtGopDriverBindingSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Handle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
{
EFI_STATUS Status;
EFI_WIN_NT_IO_PROTOCOL *WinNtIo;
//
// Open the IO Abstraction(s) needed to perform the supported test
//
Status = gBS->OpenProtocol (
Handle,
&gEfiWinNtIoProtocolGuid,
&WinNtIo,
This->DriverBindingHandle,
Handle,
EFI_OPEN_PROTOCOL_BY_DRIVER
);
if (EFI_ERROR (Status)) {
return Status;
}
Status = WinNtGopSupported (WinNtIo);
//
// Close the I/O Abstraction(s) used to perform the supported test
//
gBS->CloseProtocol (
Handle,
&gEfiWinNtIoProtocolGuid,
This->DriverBindingHandle,
Handle
);
return Status;
}
/**
@return None
**/
// TODO: This - add argument and description to function comment
// TODO: Handle - add argument and description to function comment
// TODO: RemainingDevicePath - add argument and description to function comment
// TODO: EFI_UNSUPPORTED - add return value to function comment
EFI_STATUS
EFIAPI
WinNtGopDriverBindingStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Handle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
{
EFI_WIN_NT_IO_PROTOCOL *WinNtIo;
EFI_STATUS Status;
GOP_PRIVATE_DATA *Private;
//
// Grab the protocols we need
//
Status = gBS->OpenProtocol (
Handle,
&gEfiWinNtIoProtocolGuid,
&WinNtIo,
This->DriverBindingHandle,
Handle,
EFI_OPEN_PROTOCOL_BY_DRIVER
);
if (EFI_ERROR (Status)) {
return EFI_UNSUPPORTED;
}
//
// Allocate Private context data for SGO inteface.
//
Private = NULL;
Private = AllocatePool (sizeof (GOP_PRIVATE_DATA));
if (Private == NULL) {
goto Done;
}
//
// Set up context record
//
Private->Signature = GOP_PRIVATE_DATA_SIGNATURE;
Private->Handle = Handle;
Private->WinNtThunk = WinNtIo->WinNtThunk;
Private->ControllerNameTable = NULL;
AddUnicodeString (
"eng",
gWinNtGopComponentName.SupportedLanguages,
&Private->ControllerNameTable,
WinNtIo->EnvString
);
Private->WindowName = WinNtIo->EnvString;
Status = WinNtGopConstructor (Private);
if (EFI_ERROR (Status)) {
goto Done;
}
//
// Publish the Gop interface to the world
//
Status = gBS->InstallMultipleProtocolInterfaces (
&Private->Handle,
&gEfiGraphicsOutputProtocolGuid,
&Private->GraphicsOutput,
&gEfiSimpleTextInProtocolGuid,
&Private->SimpleTextIn,
NULL
);
Done:
if (EFI_ERROR (Status)) {
gBS->CloseProtocol (
Handle,
&gEfiWinNtIoProtocolGuid,
This->DriverBindingHandle,
Handle
);
if (Private != NULL) {
//
// On Error Free back private data
//
if (Private->ControllerNameTable != NULL) {
FreeUnicodeStringTable (Private->ControllerNameTable);
}
FreePool (Private);
}
}
return Status;
}
/**
@return None
**/
// TODO: This - add argument and description to function comment
// TODO: Handle - add argument and description to function comment
// TODO: NumberOfChildren - add argument and description to function comment
// TODO: ChildHandleBuffer - add argument and description to function comment
// TODO: EFI_NOT_STARTED - add return value to function comment
// TODO: EFI_DEVICE_ERROR - add return value to function comment
EFI_STATUS
EFIAPI
WinNtGopDriverBindingStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Handle,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
)
{
EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;
EFI_STATUS Status;
GOP_PRIVATE_DATA *Private;
Status = gBS->OpenProtocol (
Handle,
&gEfiGraphicsOutputProtocolGuid,
&GraphicsOutput,
This->DriverBindingHandle,
Handle,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (EFI_ERROR (Status)) {
//
// If the GOP interface does not exist the driver is not started
//
return EFI_NOT_STARTED;
}
//
// Get our private context information
//
Private = GOP_PRIVATE_DATA_FROM_THIS (GraphicsOutput);
//
// Remove the SGO interface from the system
//
Status = gBS->UninstallMultipleProtocolInterfaces (
Private->Handle,
&gEfiGraphicsOutputProtocolGuid,
&Private->GraphicsOutput,
&gEfiSimpleTextInProtocolGuid,
&Private->SimpleTextIn,
NULL
);
if (!EFI_ERROR (Status)) {
//
// Shutdown the hardware
//
Status = WinNtGopDestructor (Private);
if (EFI_ERROR (Status)) {
return EFI_DEVICE_ERROR;
}
gBS->CloseProtocol (
Handle,
&gEfiWinNtIoProtocolGuid,
This->DriverBindingHandle,
Handle
);
//
// Free our instance data
//
FreeUnicodeStringTable (Private->ControllerNameTable);
FreePool (Private);
}
return Status;
}
/**
Convert a unicode string to a UINTN
@param String Unicode string.
@return UINTN of the number represented by String.
**/
UINTN
Atoi (
CHAR16 *String
)
{
UINTN Number;
CHAR16 *Str;
//
// skip preceeding white space
//
Str = String;
while ((*Str) && (*Str == ' ' || *Str == '"')) {
Str++;
}
//
// Convert ot a Number
//
Number = 0;
while (*Str != '\0') {
if ((*Str >= '0') && (*Str <= '9')) {
Number = (Number * 10) +*Str - '0';
} else {
break;
}
Str++;
}
return Number;
}

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/** @file
Copyright (c) 2006, Intel Corporation
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.
Module Name:
WinNtGopInput.c
Abstract:
This file produces the Simple Text In for an Gop window.
This stuff is linked at the hip to the Window, since the window
processing is done in a thread kicked off in WinNtGopImplementation.c
Since the window information is processed in an other thread we need
a keyboard Queue to pass data about. The Simple Text In code just
takes data off the Queue. The WinProc message loop takes keyboard input
and places it in the Queue.
**/
//
// The package level header files this module uses
//
#include <Uefi.h>
#include <WinNtDxe.h>
//
// The protocols, PPI and GUID defintions for this module
//
#include <Guid/EventGroup.h>
#include <Protocol/WinNtIo.h>
#include <Protocol/ComponentName.h>
#include <Protocol/SimpleTextIn.h>
#include <Protocol/DriverBinding.h>
#include <Protocol/GraphicsOutput.h>
//
// The Library classes this module consumes
//
#include <Library/DebugLib.h>
#include <Library/BaseLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/UefiLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/MemoryAllocationLib.h>
#include "WinNtGop.h"
/**
TODO: Add function description
@param Private TODO: add argument description
@retval EFI_SUCCESS TODO: Add description for return value
**/
EFI_STATUS
GopPrivateCreateQ (
IN GOP_PRIVATE_DATA *Private
)
{
Private->WinNtThunk->InitializeCriticalSection (&Private->QCriticalSection);
Private->Queue.Front = 0;
Private->Queue.Rear = MAX_Q - 1;
Private->Queue.Count = 0;
return EFI_SUCCESS;
}
/**
TODO: Add function description
@param Private TODO: add argument description
@retval EFI_SUCCESS TODO: Add description for return value
**/
EFI_STATUS
GopPrivateDestroyQ (
IN GOP_PRIVATE_DATA *Private
)
{
Private->Queue.Count = 0;
Private->WinNtThunk->DeleteCriticalSection (&Private->QCriticalSection);
return EFI_SUCCESS;
}
/**
TODO: Add function description
@param Private TODO: add argument description
@param Key TODO: add argument description
@retval EFI_NOT_READY TODO: Add description for return value
@retval EFI_SUCCESS TODO: Add description for return value
**/
EFI_STATUS
GopPrivateAddQ (
IN GOP_PRIVATE_DATA *Private,
IN EFI_INPUT_KEY Key
)
{
Private->WinNtThunk->EnterCriticalSection (&Private->QCriticalSection);
if (Private->Queue.Count == MAX_Q) {
Private->WinNtThunk->LeaveCriticalSection (&Private->QCriticalSection);
return EFI_NOT_READY;
}
Private->Queue.Rear = (Private->Queue.Rear + 1) % MAX_Q;
Private->Queue.Q[Private->Queue.Rear] = Key;
Private->Queue.Count++;
Private->WinNtThunk->LeaveCriticalSection (&Private->QCriticalSection);
return EFI_SUCCESS;
}
/**
TODO: Add function description
@param Private TODO: add argument description
@param Key TODO: add argument description
@retval EFI_NOT_READY TODO: Add description for return value
@retval EFI_SUCCESS TODO: Add description for return value
**/
EFI_STATUS
GopPrivateDeleteQ (
IN GOP_PRIVATE_DATA *Private,
OUT EFI_INPUT_KEY *Key
)
{
Private->WinNtThunk->EnterCriticalSection (&Private->QCriticalSection);
if (Private->Queue.Count == 0) {
Private->WinNtThunk->LeaveCriticalSection (&Private->QCriticalSection);
return EFI_NOT_READY;
}
*Key = Private->Queue.Q[Private->Queue.Front];
Private->Queue.Front = (Private->Queue.Front + 1) % MAX_Q;
Private->Queue.Count--;
Private->WinNtThunk->LeaveCriticalSection (&Private->QCriticalSection);
return EFI_SUCCESS;
}
/**
TODO: Add function description
@param Private TODO: add argument description
@retval EFI_NOT_READY TODO: Add description for return value
@retval EFI_SUCCESS TODO: Add description for return value
**/
EFI_STATUS
GopPrivateCheckQ (
IN GOP_PRIVATE_DATA *Private
)
{
if (Private->Queue.Count == 0) {
return EFI_NOT_READY;
}
return EFI_SUCCESS;
}
//
// Simple Text In implementation.
//
/**
TODO: Add function description
@param This TODO: add argument description
@param ExtendedVerification TODO: add argument description
@retval EFI_SUCCESS TODO: Add description for return value
**/
EFI_STATUS
EFIAPI
WinNtGopSimpleTextInReset (
IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,
IN BOOLEAN ExtendedVerification
)
{
GOP_PRIVATE_DATA *Private;
EFI_INPUT_KEY Key;
EFI_TPL OldTpl;
Private = GOP_PRIVATE_DATA_FROM_TEXT_IN_THIS (This);
//
// Enter critical section
//
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
//
// A reset is draining the Queue
//
while (GopPrivateDeleteQ (Private, &Key) == EFI_SUCCESS)
;
//
// Leave critical section and return
//
gBS->RestoreTPL (OldTpl);
return EFI_SUCCESS;
}
/**
TODO: Add function description
@param This TODO: add argument description
@param Key TODO: add argument description
@return TODO: add return values
**/
STATIC
EFI_STATUS
EFIAPI
WinNtGopSimpleTextInReadKeyStroke (
IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,
OUT EFI_INPUT_KEY *Key
)
{
GOP_PRIVATE_DATA *Private;
EFI_STATUS Status;
EFI_TPL OldTpl;
Private = GOP_PRIVATE_DATA_FROM_TEXT_IN_THIS (This);
//
// Enter critical section
//
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
Status = GopPrivateCheckQ (Private);
if (!EFI_ERROR (Status)) {
//
// If a Key press exists try and read it.
//
Status = GopPrivateDeleteQ (Private, Key);
}
//
// Leave critical section and return
//
gBS->RestoreTPL (OldTpl);
return Status;
}
/**
TODO: Add function description
@param Event TODO: add argument description
@param Context TODO: add argument description
@return TODO: add return values
**/
STATIC
VOID
EFIAPI
WinNtGopSimpleTextInWaitForKey (
IN EFI_EVENT Event,
IN VOID *Context
)
{
GOP_PRIVATE_DATA *Private;
EFI_STATUS Status;
EFI_TPL OldTpl;
Private = (GOP_PRIVATE_DATA *) Context;
//
// Enter critical section
//
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
Status = GopPrivateCheckQ (Private);
if (!EFI_ERROR (Status)) {
//
// If a there is a key in the queue signal our event.
//
gBS->SignalEvent (Event);
} else {
//
// We need to sleep or NT will schedule this thread with such high
// priority that WinProc thread will never run and we will not see
// keyboard input. This Sleep makes the syste run 10x faster, so don't
// remove it.
//
Private->WinNtThunk->Sleep (1);
}
//
// Leave critical section and return
//
gBS->RestoreTPL (OldTpl);
}
/**
TODO: Add function description
@param Private TODO: add argument description
@return TODO: add return values
**/
EFI_STATUS
WinNtGopInitializeSimpleTextInForWindow (
IN GOP_PRIVATE_DATA *Private
)
{
EFI_STATUS Status;
GopPrivateCreateQ (Private);
//
// Initialize Simple Text In protoocol
//
Private->SimpleTextIn.Reset = WinNtGopSimpleTextInReset;
Private->SimpleTextIn.ReadKeyStroke = WinNtGopSimpleTextInReadKeyStroke;
Status = gBS->CreateEvent (
EVT_NOTIFY_WAIT,
TPL_NOTIFY,
WinNtGopSimpleTextInWaitForKey,
Private,
&Private->SimpleTextIn.WaitForKey
);
return Status;
}
/**
TODO: Add function description
@param Private TODO: add argument description
@retval EFI_SUCCESS TODO: Add description for return value
**/
EFI_STATUS
WinNtGopDestroySimpleTextInForWindow (
IN GOP_PRIVATE_DATA *Private
)
{
GopPrivateDestroyQ (Private);
return EFI_SUCCESS;
}

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