mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-11-30 12:43:41 +01:00
137 lines
3.0 KiB
C
137 lines
3.0 KiB
C
/** @file
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Copyright (C) 2019, vit9696. All rights reserved.
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All rights reserved.
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include "OcConsoleLibInternal.h"
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#include <Protocol/efiConsoleControl.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/BaseLib.h>
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#include <Library/DebugLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/OcMiscLib.h>
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#include <Library/OcConsoleLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/UefiRuntimeServicesTableLib.h>
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EFI_CONSOLE_CONTROL_SCREEN_MODE
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OcConsoleControlSetMode (
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IN EFI_CONSOLE_CONTROL_SCREEN_MODE Mode
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)
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{
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EFI_STATUS Status;
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EFI_CONSOLE_CONTROL_PROTOCOL *ConsoleControl;
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EFI_CONSOLE_CONTROL_SCREEN_MODE OldMode;
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Status = OcHandleProtocolFallback (
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&gST->ConsoleOutHandle,
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&gEfiConsoleControlProtocolGuid,
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(VOID *) &ConsoleControl
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);
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//
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// No console control, assume already set.
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//
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if (EFI_ERROR(Status)) {
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return Mode;
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}
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Status = ConsoleControl->GetMode (
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ConsoleControl,
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&OldMode,
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NULL,
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NULL
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);
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//
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// Cannot get mode, assume already set.
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// Same mode, do not waste time.
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//
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if (EFI_ERROR(Status) || OldMode == Mode) {
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return Mode;
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}
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ConsoleControl->SetMode (
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ConsoleControl,
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Mode
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);
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return OldMode;
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}
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EFI_STATUS
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OcConsoleControlInstallProtocol (
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IN EFI_CONSOLE_CONTROL_PROTOCOL *NewProtocol,
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OUT EFI_CONSOLE_CONTROL_PROTOCOL *OldProtocol OPTIONAL,
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OUT EFI_CONSOLE_CONTROL_SCREEN_MODE *OldMode OPTIONAL
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)
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{
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EFI_STATUS Status;
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EFI_CONSOLE_CONTROL_PROTOCOL *ConsoleControl;
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Status = OcHandleProtocolFallback (
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&gST->ConsoleOutHandle,
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&gEfiConsoleControlProtocolGuid,
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(VOID *) &ConsoleControl
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);
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DEBUG ((
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DEBUG_INFO,
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"OCC: Install console control (%p/%p/%p), current - %r\n",
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NewProtocol,
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OldProtocol,
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OldMode,
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Status
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));
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//
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// Native implementation exists, overwrite.
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//
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if (!EFI_ERROR(Status)) {
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//
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// Provide original mode if requested.
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//
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if (OldMode != NULL) {
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ConsoleControl->GetMode (ConsoleControl, OldMode, NULL, NULL);
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}
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if (OldProtocol != NULL) {
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CopyMem (
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OldProtocol,
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ConsoleControl,
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sizeof (*OldProtocol)
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);
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}
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CopyMem (
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ConsoleControl,
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NewProtocol,
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sizeof (*ConsoleControl)
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);
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return EFI_SUCCESS;
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}
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Status = gBS->InstallMultipleProtocolInterfaces (
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&gST->ConsoleOutHandle,
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&gEfiConsoleControlProtocolGuid,
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NewProtocol,
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NULL
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);
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DEBUG ((DEBUG_INFO, "OCC: Install console control, new - %r\n", Status));
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return Status;
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}
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