2019-04-12 00:46:34 +03:00

125 lines
2.6 KiB
C

/** @file
Copyright (C) 2019, vit9696. All rights reserved.
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 <Protocol/ConsoleControl.h>
#include <Library/BaseMemoryLib.h>
#include <Library/UefiBootServicesTableLib.h>
STATIC EFI_CONSOLE_CONTROL_SCREEN_MODE mConsoleMode = EfiConsoleControlScreenText;
STATIC
EFI_CONSOLE_CONTROL_PROTOCOL
mOriginalConsoleControlProtocol;
STATIC
EFI_STATUS
EFIAPI
ConsoleControlGetMode (
IN EFI_CONSOLE_CONTROL_PROTOCOL *This,
OUT EFI_CONSOLE_CONTROL_SCREEN_MODE *Mode,
OUT BOOLEAN *GopUgaExists OPTIONAL,
OUT BOOLEAN *StdInLocked OPTIONAL
)
{
*Mode = mConsoleMode;
if (GopUgaExists) {
*GopUgaExists = TRUE;
}
if (StdInLocked) {
*StdInLocked = FALSE;
}
return EFI_SUCCESS;
}
STATIC
EFI_STATUS
EFIAPI
ConsoleControlSetMode (
IN EFI_CONSOLE_CONTROL_PROTOCOL *This,
IN EFI_CONSOLE_CONTROL_SCREEN_MODE Mode
)
{
mConsoleMode = Mode;
return EFI_SUCCESS;
}
STATIC
EFI_STATUS
EFIAPI
ConsoleControlLockStdIn (
IN EFI_CONSOLE_CONTROL_PROTOCOL *This,
IN CHAR16 *Password
)
{
return EFI_SUCCESS;
}
STATIC
EFI_CONSOLE_CONTROL_PROTOCOL
mConsoleControlProtocol = {
ConsoleControlGetMode,
ConsoleControlSetMode,
ConsoleControlLockStdIn
};
EFI_STATUS
ConfigureConsoleControl (
IN BOOLEAN WrapExisting
)
{
EFI_STATUS Status;
EFI_CONSOLE_CONTROL_PROTOCOL *ConsoleControl;
EFI_HANDLE NewHandle;
Status = gBS->LocateProtocol (
&gEfiConsoleControlProtocolGuid,
NULL,
(VOID *) &ConsoleControl
);
//
// Native implementation exists, ignore.
//
if (!EFI_ERROR (Status)) {
if (WrapExisting) {
CopyMem (
&mOriginalConsoleControlProtocol,
ConsoleControl,
sizeof (mOriginalConsoleControlProtocol)
);
CopyMem (
&ConsoleControl,
&mConsoleControlProtocol,
sizeof (mOriginalConsoleControlProtocol)
);
}
return EFI_SUCCESS;
}
NewHandle = NULL;
Status = gBS->InstallMultipleProtocolInterfaces (
&NewHandle,
&gEfiConsoleControlProtocolGuid,
&mConsoleControlProtocol,
NULL
);
return Status;
}