audk/CorebootPayloadPkg/Library/PlatformBootManagerLib/PlatformBootManager.c

199 lines
5.8 KiB
C
Raw Normal View History

/** @file
This file include all platform action which can be customized
by IBV/OEM.
Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
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 "PlatformBootManager.h"
#include "PlatformConsole.h"
/**
Return the index of the load option in the load option array.
The function consider two load options are equal when the
OptionType, Attributes, Description, FilePath and OptionalData are equal.
@param Key Pointer to the load option to be found.
@param Array Pointer to the array of load options to be found.
@param Count Number of entries in the Array.
@retval -1 Key wasn't found in the Array.
@retval 0 ~ Count-1 The index of the Key in the Array.
**/
INTN
PlatformFindLoadOption (
IN CONST EFI_BOOT_MANAGER_LOAD_OPTION *Key,
IN CONST EFI_BOOT_MANAGER_LOAD_OPTION *Array,
IN UINTN Count
)
{
UINTN Index;
for (Index = 0; Index < Count; Index++) {
if ((Key->OptionType == Array[Index].OptionType) &&
(Key->Attributes == Array[Index].Attributes) &&
(StrCmp (Key->Description, Array[Index].Description) == 0) &&
(CompareMem (Key->FilePath, Array[Index].FilePath, GetDevicePathSize (Key->FilePath)) == 0) &&
(Key->OptionalDataSize == Array[Index].OptionalDataSize) &&
(CompareMem (Key->OptionalData, Array[Index].OptionalData, Key->OptionalDataSize) == 0)) {
return (INTN) Index;
}
}
return -1;
}
/**
Register a boot option using a file GUID in the FV.
@param FileGuid The file GUID name in FV.
@param Description The boot option description.
@param Attributes The attributes used for the boot option loading.
**/
VOID
PlatformRegisterFvBootOption (
EFI_GUID *FileGuid,
CHAR16 *Description,
UINT32 Attributes
)
{
EFI_STATUS Status;
UINTN OptionIndex;
EFI_BOOT_MANAGER_LOAD_OPTION NewOption;
EFI_BOOT_MANAGER_LOAD_OPTION *BootOptions;
UINTN BootOptionCount;
MEDIA_FW_VOL_FILEPATH_DEVICE_PATH FileNode;
EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
Status = gBS->HandleProtocol (gImageHandle, &gEfiLoadedImageProtocolGuid, (VOID **) &LoadedImage);
ASSERT_EFI_ERROR (Status);
EfiInitializeFwVolDevicepathNode (&FileNode, FileGuid);
DevicePath = AppendDevicePathNode (
DevicePathFromHandle (LoadedImage->DeviceHandle),
(EFI_DEVICE_PATH_PROTOCOL *) &FileNode
);
Status = EfiBootManagerInitializeLoadOption (
&NewOption,
LoadOptionNumberUnassigned,
LoadOptionTypeBoot,
Attributes,
Description,
DevicePath,
NULL,
0
);
if (!EFI_ERROR (Status)) {
BootOptions = EfiBootManagerGetLoadOptions (&BootOptionCount, LoadOptionTypeBoot);
OptionIndex = PlatformFindLoadOption (&NewOption, BootOptions, BootOptionCount);
if (OptionIndex == -1) {
Status = EfiBootManagerAddLoadOptionVariable (&NewOption, (UINTN) -1);
ASSERT_EFI_ERROR (Status);
}
EfiBootManagerFreeLoadOption (&NewOption);
EfiBootManagerFreeLoadOptions (BootOptions, BootOptionCount);
}
}
/**
Do the platform specific action before the console is connected.
Such as:
Update console variable;
Register new Driver#### or Boot####;
Signal ReadyToLock event.
**/
VOID
EFIAPI
PlatformBootManagerBeforeConsole (
VOID
)
{
EFI_INPUT_KEY Enter;
EFI_INPUT_KEY F2;
EFI_BOOT_MANAGER_LOAD_OPTION BootOption;
PlatformConsoleInit ();
//
// Register ENTER as CONTINUE key
//
Enter.ScanCode = SCAN_NULL;
Enter.UnicodeChar = CHAR_CARRIAGE_RETURN;
EfiBootManagerRegisterContinueKeyOption (0, &Enter, NULL);
//
// Map F2 to Boot Manager Menu
//
F2.ScanCode = SCAN_F2;
F2.UnicodeChar = CHAR_NULL;
EfiBootManagerGetBootManagerMenu (&BootOption);
EfiBootManagerAddKeyOptionVariable (NULL, (UINT16) BootOption.OptionNumber, 0, &F2, NULL);
//
// Register UEFI Shell
//
PlatformRegisterFvBootOption (PcdGetPtr (PcdShellFile), L"UEFI Shell", LOAD_OPTION_ACTIVE);
}
/**
Do the platform specific action after the console is connected.
Such as:
Dynamically switch output mode;
Signal console ready platform customized event;
Run diagnostics like memory testing;
Connect certain devices;
Dispatch aditional option roms.
**/
VOID
EFIAPI
PlatformBootManagerAfterConsole (
VOID
)
{
EFI_GRAPHICS_OUTPUT_BLT_PIXEL Black;
EFI_GRAPHICS_OUTPUT_BLT_PIXEL White;
Black.Blue = Black.Green = Black.Red = Black.Reserved = 0;
White.Blue = White.Green = White.Red = White.Reserved = 0xFF;
EfiBootManagerConnectAll ();
EfiBootManagerRefreshAllBootOption ();
Print (
L"\n"
L"F2 to enter Boot Manager Menu.\n"
L"ENTER to boot directly.\n"
L"\n"
);
}
/**
This function is called each second during the boot manager waits the timeout.
@param TimeoutRemain The remaining timeout.
**/
VOID
EFIAPI
PlatformBootManagerWaitCallback (
UINT16 TimeoutRemain
)
{
return;
}