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audk/ArmPlatformPkg/Bds/BootOptionSupport.c

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/** @file
*
* Copyright (c) 2011, ARM Limited. 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 "BdsInternal.h"
#include <Library/NetLib.h>
#include <Protocol/BlockIo.h>
#include <Protocol/DevicePathToText.h>
#include <Protocol/PxeBaseCode.h>
#include <Protocol/SimpleFileSystem.h>
#include <Protocol/SimpleNetwork.h>
#include <Guid/FileSystemInfo.h>
#define IS_DEVICE_PATH_NODE(node,type,subtype) (((node)->Type == (type)) && ((node)->SubType == (subtype)))
EFI_STATUS
BdsLoadOptionFileSystemList (
IN OUT LIST_ENTRY* BdsLoadOptionList
);
EFI_STATUS
BdsLoadOptionFileSystemCreateDevicePath (
IN CHAR16* FileName,
OUT EFI_DEVICE_PATH_PROTOCOL **DevicePathNode,
OUT ARM_BDS_LOADER_TYPE *BootType,
OUT UINT32 *Attributes
);
EFI_STATUS
BdsLoadOptionFileSystemUpdateDevicePath (
IN EFI_DEVICE_PATH *OldDevicePath,
IN CHAR16* FileName,
OUT EFI_DEVICE_PATH_PROTOCOL **NewDevicePath,
OUT ARM_BDS_LOADER_TYPE *BootType,
OUT UINT32 *Attributes
);
BOOLEAN
BdsLoadOptionFileSystemIsSupported (
IN EFI_DEVICE_PATH *DevicePath
);
EFI_STATUS
BdsLoadOptionMemMapList (
IN OUT LIST_ENTRY* BdsLoadOptionList
);
EFI_STATUS
BdsLoadOptionMemMapCreateDevicePath (
IN CHAR16* FileName,
OUT EFI_DEVICE_PATH_PROTOCOL **DevicePathNode,
OUT ARM_BDS_LOADER_TYPE *BootType,
OUT UINT32 *Attributes
);
EFI_STATUS
BdsLoadOptionMemMapUpdateDevicePath (
IN EFI_DEVICE_PATH *OldDevicePath,
IN CHAR16* FileName,
OUT EFI_DEVICE_PATH_PROTOCOL **NewDevicePath,
OUT ARM_BDS_LOADER_TYPE *BootType,
OUT UINT32 *Attributes
);
BOOLEAN
BdsLoadOptionMemMapIsSupported (
IN EFI_DEVICE_PATH *DevicePath
);
EFI_STATUS
BdsLoadOptionPxeList (
IN OUT LIST_ENTRY* BdsLoadOptionList
);
EFI_STATUS
BdsLoadOptionPxeCreateDevicePath (
IN CHAR16* FileName,
OUT EFI_DEVICE_PATH_PROTOCOL **DevicePathNode,
OUT ARM_BDS_LOADER_TYPE *BootType,
OUT UINT32 *Attributes
);
EFI_STATUS
BdsLoadOptionPxeUpdateDevicePath (
IN EFI_DEVICE_PATH *OldDevicePath,
IN CHAR16* FileName,
OUT EFI_DEVICE_PATH_PROTOCOL **NewDevicePath,
OUT ARM_BDS_LOADER_TYPE *BootType,
OUT UINT32 *Attributes
);
BOOLEAN
BdsLoadOptionPxeIsSupported (
IN EFI_DEVICE_PATH *DevicePath
);
EFI_STATUS
BdsLoadOptionTftpList (
IN OUT LIST_ENTRY* BdsLoadOptionList
);
EFI_STATUS
BdsLoadOptionTftpCreateDevicePath (
IN CHAR16* FileName,
OUT EFI_DEVICE_PATH_PROTOCOL **DevicePathNode,
OUT ARM_BDS_LOADER_TYPE *BootType,
OUT UINT32 *Attributes
);
EFI_STATUS
BdsLoadOptionTftpUpdateDevicePath (
IN EFI_DEVICE_PATH *OldDevicePath,
IN CHAR16* FileName,
OUT EFI_DEVICE_PATH_PROTOCOL **NewDevicePath,
OUT ARM_BDS_LOADER_TYPE *BootType,
OUT UINT32 *Attributes
);
BOOLEAN
BdsLoadOptionTftpIsSupported (
IN EFI_DEVICE_PATH *DevicePath
);
BDS_LOAD_OPTION_SUPPORT BdsLoadOptionSupportList[] = {
{
BDS_DEVICE_FILESYSTEM,
BdsLoadOptionFileSystemList,
BdsLoadOptionFileSystemIsSupported,
BdsLoadOptionFileSystemCreateDevicePath,
BdsLoadOptionFileSystemUpdateDevicePath
},
{
BDS_DEVICE_MEMMAP,
BdsLoadOptionMemMapList,
BdsLoadOptionMemMapIsSupported,
BdsLoadOptionMemMapCreateDevicePath,
BdsLoadOptionMemMapUpdateDevicePath
},
{
BDS_DEVICE_PXE,
BdsLoadOptionPxeList,
BdsLoadOptionPxeIsSupported,
BdsLoadOptionPxeCreateDevicePath,
BdsLoadOptionPxeUpdateDevicePath
},
{
BDS_DEVICE_TFTP,
BdsLoadOptionTftpList,
BdsLoadOptionTftpIsSupported,
BdsLoadOptionTftpCreateDevicePath,
BdsLoadOptionTftpUpdateDevicePath
}
};
EFI_STATUS
BootDeviceListSupportedInit (
IN OUT LIST_ENTRY *SupportedDeviceList
)
{
UINTN Index;
// Initialize list of supported devices
InitializeListHead (SupportedDeviceList);
for (Index = 0; Index < BDS_DEVICE_MAX; Index++) {
BdsLoadOptionSupportList[Index].ListDevices (SupportedDeviceList);
}
return EFI_SUCCESS;
}
EFI_STATUS
BootDeviceListSupportedFree (
IN LIST_ENTRY *SupportedDeviceList,
IN BDS_SUPPORTED_DEVICE *Except
)
{
LIST_ENTRY *Entry;
BDS_SUPPORTED_DEVICE* SupportedDevice;
Entry = GetFirstNode (SupportedDeviceList);
while (Entry != SupportedDeviceList) {
SupportedDevice = SUPPORTED_BOOT_DEVICE_FROM_LINK(Entry);
Entry = RemoveEntryList (Entry);
if (SupportedDevice != Except) {
FreePool (SupportedDevice);
}
}
return EFI_SUCCESS;
}
EFI_STATUS
BootDeviceGetDeviceSupport (
IN EFI_DEVICE_PATH *DevicePath,
OUT BDS_LOAD_OPTION_SUPPORT **DeviceSupport
)
{
UINTN Index;
// Find which supported device is the most appropriate
for (Index = 0; Index < BDS_DEVICE_MAX; Index++) {
if (BdsLoadOptionSupportList[Index].IsSupported (DevicePath)) {
*DeviceSupport = &BdsLoadOptionSupportList[Index];
return EFI_SUCCESS;
}
}
return EFI_UNSUPPORTED;
}
STATIC
EFI_STATUS
BootDeviceGetType (
IN CHAR16* FileName,
OUT ARM_BDS_LOADER_TYPE *BootType,
OUT UINT32 *Attributes
)
{
EFI_STATUS Status;
BOOLEAN IsEfiApp;
BOOLEAN IsBootLoader;
BOOLEAN HasFDTSupport;
if (FileName == NULL) {
Print(L"Is an EFI Application? ");
Status = GetHIInputBoolean (&IsEfiApp);
if (EFI_ERROR(Status)) {
return EFI_ABORTED;
}
} else if (HasFilePathEfiExtension(FileName)) {
IsEfiApp = TRUE;
} else {
IsEfiApp = FALSE;
}
if (IsEfiApp) {
Print(L"Is your application is an OS loader? ");
Status = GetHIInputBoolean (&IsBootLoader);
if (EFI_ERROR(Status)) {
return EFI_ABORTED;
}
if (!IsBootLoader) {
*Attributes |= LOAD_OPTION_CATEGORY_APP;
}
*BootType = BDS_LOADER_EFI_APPLICATION;
} else {
Print(L"Has FDT support? ");
Status = GetHIInputBoolean (&HasFDTSupport);
if (EFI_ERROR(Status)) {
return EFI_ABORTED;
}
if (HasFDTSupport) {
*BootType = BDS_LOADER_KERNEL_LINUX_FDT;
} else {
*BootType = BDS_LOADER_KERNEL_LINUX_ATAG;
}
}
return EFI_SUCCESS;
}
EFI_STATUS
BdsLoadOptionFileSystemList (
IN OUT LIST_ENTRY* BdsLoadOptionList
)
{
EFI_STATUS Status;
UINTN HandleCount;
EFI_HANDLE *HandleBuffer;
UINTN Index;
BDS_SUPPORTED_DEVICE *SupportedDevice;
EFI_SIMPLE_FILE_SYSTEM_PROTOCOL* FileProtocol;
EFI_FILE_HANDLE Fs;
UINTN Size;
EFI_FILE_SYSTEM_INFO* FsInfo;
EFI_DEVICE_PATH_PROTOCOL* DevicePathProtocol;
// List all the Simple File System Protocols
Status = gBS->LocateHandleBuffer (ByProtocol, &gEfiSimpleFileSystemProtocolGuid, NULL, &HandleCount, &HandleBuffer);
if (EFI_ERROR (Status)) {
return Status;
}
for (Index = 0; Index < HandleCount; Index++) {
Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiDevicePathProtocolGuid, (VOID **)&DevicePathProtocol);
if (!EFI_ERROR(Status)) {
// Allocate BDS Supported Device structure
SupportedDevice = (BDS_SUPPORTED_DEVICE*)AllocatePool (sizeof(BDS_SUPPORTED_DEVICE));
FileProtocol = NULL;
Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiSimpleFileSystemProtocolGuid, (VOID **)&FileProtocol);
ASSERT_EFI_ERROR(Status);
FileProtocol->OpenVolume (FileProtocol, &Fs);
// Generate a Description from the file system
Size = 0;
FsInfo = NULL;
Status = Fs->GetInfo (Fs, &gEfiFileSystemInfoGuid, &Size, FsInfo);
if (Status == EFI_BUFFER_TOO_SMALL) {
FsInfo = AllocatePool (Size);
Status = Fs->GetInfo (Fs, &gEfiFileSystemInfoGuid, &Size, FsInfo);
}
UnicodeSPrint (SupportedDevice->Description,BOOT_DEVICE_DESCRIPTION_MAX,L"%s (%d MB)",FsInfo->VolumeLabel,(UINT32)(FsInfo->VolumeSize / (1024 * 1024)));
FreePool(FsInfo);
Fs->Close (Fs);
SupportedDevice->DevicePathProtocol = DevicePathProtocol;
SupportedDevice->Support = &BdsLoadOptionSupportList[BDS_DEVICE_FILESYSTEM];
InsertTailList (BdsLoadOptionList,&SupportedDevice->Link);
}
}
return EFI_SUCCESS;
}
EFI_STATUS
BdsLoadOptionFileSystemCreateDevicePath (
IN CHAR16* FileName,
OUT EFI_DEVICE_PATH_PROTOCOL **DevicePathNode,
OUT ARM_BDS_LOADER_TYPE *BootType,
OUT UINT32 *Attributes
)
{
EFI_STATUS Status;
FILEPATH_DEVICE_PATH* FilePathDevicePath;
CHAR16 BootFilePath[BOOT_DEVICE_FILEPATH_MAX];
UINTN BootFilePathSize;
Print(L"File path of the %s: ", FileName);
Status = GetHIInputStr (BootFilePath, BOOT_DEVICE_FILEPATH_MAX);
if (EFI_ERROR(Status)) {
return EFI_ABORTED;
}
BootFilePathSize = StrSize (BootFilePath);
if (BootFilePathSize == 2) {
*DevicePathNode = NULL;
return EFI_NOT_FOUND;
}
// Create the FilePath Device Path node
FilePathDevicePath = (FILEPATH_DEVICE_PATH*)AllocatePool(SIZE_OF_FILEPATH_DEVICE_PATH + BootFilePathSize);
FilePathDevicePath->Header.Type = MEDIA_DEVICE_PATH;
FilePathDevicePath->Header.SubType = MEDIA_FILEPATH_DP;
SetDevicePathNodeLength (FilePathDevicePath, SIZE_OF_FILEPATH_DEVICE_PATH + BootFilePathSize);
CopyMem (FilePathDevicePath->PathName, BootFilePath, BootFilePathSize);
if (BootType != NULL || Attributes != NULL) {
Status = BootDeviceGetType (FilePathDevicePath->PathName, BootType, Attributes);
}
if (EFI_ERROR(Status)) {
FreePool (FilePathDevicePath);
} else {
*DevicePathNode = (EFI_DEVICE_PATH_PROTOCOL*)FilePathDevicePath;
}
return Status;
}
EFI_STATUS
BdsLoadOptionFileSystemUpdateDevicePath (
IN EFI_DEVICE_PATH *OldDevicePath,
IN CHAR16* FileName,
OUT EFI_DEVICE_PATH_PROTOCOL **NewDevicePath,
OUT ARM_BDS_LOADER_TYPE *BootType,
OUT UINT32 *Attributes
)
{
EFI_STATUS Status;
CHAR16 BootFilePath[BOOT_DEVICE_FILEPATH_MAX];
UINTN BootFilePathSize;
FILEPATH_DEVICE_PATH* EndingDevicePath;
FILEPATH_DEVICE_PATH* FilePathDevicePath;
EFI_DEVICE_PATH* DevicePath;
DevicePath = DuplicateDevicePath (OldDevicePath);
EndingDevicePath = (FILEPATH_DEVICE_PATH*)GetLastDevicePathNode (DevicePath);
Print(L"File path of the %s: ", FileName);
StrnCpy (BootFilePath, EndingDevicePath->PathName, BOOT_DEVICE_FILEPATH_MAX);
Status = EditHIInputStr (BootFilePath, BOOT_DEVICE_FILEPATH_MAX);
if (EFI_ERROR(Status)) {
return Status;
}
BootFilePathSize = StrSize(BootFilePath);
if (BootFilePathSize == 2) {
*NewDevicePath = NULL;
return EFI_NOT_FOUND;
}
// Create the FilePath Device Path node
FilePathDevicePath = (FILEPATH_DEVICE_PATH*)AllocatePool(SIZE_OF_FILEPATH_DEVICE_PATH + BootFilePathSize);
FilePathDevicePath->Header.Type = MEDIA_DEVICE_PATH;
FilePathDevicePath->Header.SubType = MEDIA_FILEPATH_DP;
SetDevicePathNodeLength (FilePathDevicePath, SIZE_OF_FILEPATH_DEVICE_PATH + BootFilePathSize);
CopyMem (FilePathDevicePath->PathName, BootFilePath, BootFilePathSize);
// Generate the new Device Path by replacing the last node by the updated node
SetDevicePathEndNode (EndingDevicePath);
*NewDevicePath = AppendDevicePathNode (DevicePath, (CONST EFI_DEVICE_PATH_PROTOCOL *)FilePathDevicePath);
FreePool(DevicePath);
if (BootType != NULL || Attributes != NULL) {
return BootDeviceGetType (FilePathDevicePath->PathName, BootType, Attributes);
}
return EFI_SUCCESS;
}
BOOLEAN
BdsLoadOptionFileSystemIsSupported (
IN EFI_DEVICE_PATH *DevicePath
)
{
EFI_DEVICE_PATH* DevicePathNode;
DevicePathNode = GetLastDevicePathNode (DevicePath);
return IS_DEVICE_PATH_NODE(DevicePathNode,MEDIA_DEVICE_PATH,MEDIA_FILEPATH_DP);
}
STATIC
BOOLEAN
IsParentDevicePath (
IN EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath,
IN EFI_DEVICE_PATH_PROTOCOL *ChildDevicePath
)
{
UINTN ParentSize;
UINTN ChildSize;
ParentSize = GetDevicePathSize (ParentDevicePath);
ChildSize = GetDevicePathSize (ChildDevicePath);
if (ParentSize > ChildSize) {
return FALSE;
}
if (CompareMem (ParentDevicePath, ChildDevicePath, ParentSize - END_DEVICE_PATH_LENGTH) != 0) {
return FALSE;
}
return TRUE;
}
EFI_STATUS
BdsLoadOptionMemMapList (
IN OUT LIST_ENTRY* BdsLoadOptionList
)
{
EFI_STATUS Status;
UINTN HandleCount;
EFI_HANDLE *HandleBuffer;
UINTN DevicePathHandleCount;
EFI_HANDLE *DevicePathHandleBuffer;
BOOLEAN IsParent;
UINTN Index;
UINTN Index2;
BDS_SUPPORTED_DEVICE *SupportedDevice;
EFI_DEVICE_PATH_PROTOCOL* DevicePathProtocol;
EFI_DEVICE_PATH* DevicePath;
// List all the BlockIo Protocols
Status = gBS->LocateHandleBuffer (ByProtocol, &gEfiBlockIoProtocolGuid, NULL, &HandleCount, &HandleBuffer);
if (EFI_ERROR (Status)) {
return Status;
}
for (Index = 0; Index < HandleCount; Index++) {
// We only select the handle WITH a Device Path AND not part of Media (to avoid duplication with HardDisk, CDROM, etc)
Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiDevicePathProtocolGuid, (VOID **)&DevicePathProtocol);
if (!EFI_ERROR(Status)) {
// BlockIo is not part of Media Device Path
DevicePath = DevicePathProtocol;
while (!IsDevicePathEndType (DevicePath) && (DevicePathType (DevicePath) != MEDIA_DEVICE_PATH)) {
DevicePath = NextDevicePathNode (DevicePath);
}
if (DevicePathType (DevicePath) == MEDIA_DEVICE_PATH) {
continue;
}
// Open all the handle supporting the DevicePath protocol and verify this handle has not got any child
Status = gBS->LocateHandleBuffer (ByProtocol, &gEfiDevicePathProtocolGuid, NULL, &DevicePathHandleCount, &DevicePathHandleBuffer);
ASSERT_EFI_ERROR (Status);
IsParent = FALSE;
for (Index2 = 0; (Index2 < DevicePathHandleCount) && !IsParent; Index2++) {
if (HandleBuffer[Index] != DevicePathHandleBuffer[Index2]) {
gBS->HandleProtocol (DevicePathHandleBuffer[Index2], &gEfiDevicePathProtocolGuid, (VOID **)&DevicePath);
if (IsParentDevicePath (DevicePathProtocol, DevicePath)) {
IsParent = TRUE;
}
}
}
if (IsParent) {
continue;
}
// Allocate BDS Supported Device structure
SupportedDevice = (BDS_SUPPORTED_DEVICE*)AllocatePool(sizeof(BDS_SUPPORTED_DEVICE));
Status = GenerateDeviceDescriptionName (HandleBuffer[Index], SupportedDevice->Description);
ASSERT_EFI_ERROR (Status);
SupportedDevice->DevicePathProtocol = DevicePathProtocol;
SupportedDevice->Support = &BdsLoadOptionSupportList[BDS_DEVICE_MEMMAP];
InsertTailList (BdsLoadOptionList,&SupportedDevice->Link);
}
}
return EFI_SUCCESS;
}
EFI_STATUS
BdsLoadOptionMemMapCreateDevicePath (
IN CHAR16* FileName,
OUT EFI_DEVICE_PATH_PROTOCOL **DevicePathNode,
OUT ARM_BDS_LOADER_TYPE *BootType,
OUT UINT32 *Attributes
)
{
EFI_STATUS Status;
MEMMAP_DEVICE_PATH *MemMapDevicePath;
CHAR16 StrStartingAddress[BOOT_DEVICE_ADDRESS_MAX];
CHAR16 StrEndingAddress[BOOT_DEVICE_ADDRESS_MAX];
Print(L"Starting Address of the %s: ", FileName);
Status = GetHIInputStr (StrStartingAddress, BOOT_DEVICE_ADDRESS_MAX);
if (EFI_ERROR(Status)) {
return EFI_ABORTED;
}
Print(L"Ending Address of the %s: ", FileName);
Status = GetHIInputStr (StrEndingAddress, BOOT_DEVICE_ADDRESS_MAX);
if (EFI_ERROR(Status)) {
return EFI_ABORTED;
}
// Create the MemMap Device Path Node
MemMapDevicePath = (MEMMAP_DEVICE_PATH*)AllocatePool (sizeof(MEMMAP_DEVICE_PATH) + END_DEVICE_PATH_LENGTH);
MemMapDevicePath->Header.Type = HARDWARE_DEVICE_PATH;
MemMapDevicePath->Header.SubType = HW_MEMMAP_DP;
SetDevicePathNodeLength (MemMapDevicePath, sizeof(MEMMAP_DEVICE_PATH));
MemMapDevicePath->MemoryType = EfiBootServicesData;
MemMapDevicePath->StartingAddress = StrHexToUint64 (StrStartingAddress);
MemMapDevicePath->EndingAddress = StrHexToUint64 (StrEndingAddress);
// Set a Device Path End Node after the Memory Map Device Path Node
SetDevicePathEndNode (MemMapDevicePath + 1);
if (BootType != NULL || Attributes != NULL) {
Status = BootDeviceGetType (NULL, BootType, Attributes);
}
if (EFI_ERROR(Status)) {
FreePool (MemMapDevicePath);
} else {
*DevicePathNode = (EFI_DEVICE_PATH_PROTOCOL*)MemMapDevicePath;
}
return Status;
}
EFI_STATUS
BdsLoadOptionMemMapUpdateDevicePath (
IN EFI_DEVICE_PATH *OldDevicePath,
IN CHAR16* FileName,
OUT EFI_DEVICE_PATH_PROTOCOL **NewDevicePath,
OUT ARM_BDS_LOADER_TYPE *BootType,
OUT UINT32 *Attributes
)
{
EFI_STATUS Status;
CHAR16 StrStartingAddress[BOOT_DEVICE_ADDRESS_MAX];
CHAR16 StrEndingAddress[BOOT_DEVICE_ADDRESS_MAX];
MEMMAP_DEVICE_PATH* EndingDevicePath;
EFI_DEVICE_PATH* DevicePath;
DevicePath = DuplicateDevicePath (OldDevicePath);
EndingDevicePath = (MEMMAP_DEVICE_PATH*)GetLastDevicePathNode (DevicePath);
Print(L"Starting Address of the %s: ", FileName);
UnicodeSPrint (StrStartingAddress, BOOT_DEVICE_ADDRESS_MAX, L"0x%X", (UINTN)EndingDevicePath->StartingAddress);
Status = EditHIInputStr (StrStartingAddress, BOOT_DEVICE_ADDRESS_MAX);
if (EFI_ERROR(Status)) {
return EFI_ABORTED;
}
Print(L"Ending Address of the %s: ", FileName);
UnicodeSPrint (StrEndingAddress, BOOT_DEVICE_ADDRESS_MAX, L"0x%X", (UINTN)EndingDevicePath->EndingAddress);
Status = EditHIInputStr (StrEndingAddress, BOOT_DEVICE_ADDRESS_MAX);
if (EFI_ERROR(Status)) {
return EFI_ABORTED;
}
EndingDevicePath->StartingAddress = StrHexToUint64 (StrStartingAddress);
EndingDevicePath->EndingAddress = StrHexToUint64 (StrEndingAddress);
if (BootType != NULL || Attributes != NULL) {
Status = BootDeviceGetType (NULL, BootType, Attributes);
}
if (EFI_ERROR(Status)) {
FreePool(DevicePath);
} else {
*NewDevicePath = DevicePath;
}
return Status;
}
BOOLEAN
BdsLoadOptionMemMapIsSupported (
IN EFI_DEVICE_PATH *DevicePath
)
{
EFI_DEVICE_PATH* DevicePathNode;
DevicePathNode = GetLastDevicePathNode (DevicePath);
return IS_DEVICE_PATH_NODE(DevicePathNode,HARDWARE_DEVICE_PATH,HW_MEMMAP_DP);
}
EFI_STATUS
BdsLoadOptionPxeList (
IN OUT LIST_ENTRY* BdsLoadOptionList
)
{
EFI_STATUS Status;
UINTN HandleCount;
EFI_HANDLE *HandleBuffer;
UINTN Index;
BDS_SUPPORTED_DEVICE *SupportedDevice;
EFI_DEVICE_PATH_PROTOCOL* DevicePathProtocol;
EFI_SIMPLE_NETWORK_PROTOCOL* SimpleNet;
CHAR16 DeviceDescription[BOOT_DEVICE_DESCRIPTION_MAX];
EFI_MAC_ADDRESS *Mac;
// List all the PXE Protocols
Status = gBS->LocateHandleBuffer (ByProtocol, &gEfiPxeBaseCodeProtocolGuid, NULL, &HandleCount, &HandleBuffer);
if (EFI_ERROR (Status)) {
return Status;
}
for (Index = 0; Index < HandleCount; Index++) {
// We only select the handle WITH a Device Path AND the PXE Protocol
Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiDevicePathProtocolGuid, (VOID **)&DevicePathProtocol);
if (!EFI_ERROR(Status)) {
// Allocate BDS Supported Device structure
SupportedDevice = (BDS_SUPPORTED_DEVICE*)AllocatePool(sizeof(BDS_SUPPORTED_DEVICE));
Status = gBS->LocateProtocol (&gEfiSimpleNetworkProtocolGuid, NULL, (VOID **)&SimpleNet);
if (!EFI_ERROR(Status)) {
Mac = &SimpleNet->Mode->CurrentAddress;
UnicodeSPrint (DeviceDescription,BOOT_DEVICE_DESCRIPTION_MAX,L"MAC Address: %02x:%02x:%02x:%02x:%02x:%02x", Mac->Addr[0], Mac->Addr[1], Mac->Addr[2], Mac->Addr[3], Mac->Addr[4], Mac->Addr[5]);
} else {
Status = GenerateDeviceDescriptionName (HandleBuffer[Index], DeviceDescription);
ASSERT_EFI_ERROR (Status);
}
UnicodeSPrint (SupportedDevice->Description,BOOT_DEVICE_DESCRIPTION_MAX,L"PXE on %s",DeviceDescription);
SupportedDevice->DevicePathProtocol = DevicePathProtocol;
SupportedDevice->Support = &BdsLoadOptionSupportList[BDS_DEVICE_PXE];
InsertTailList (BdsLoadOptionList,&SupportedDevice->Link);
}
}
return EFI_SUCCESS;
}
EFI_STATUS
BdsLoadOptionPxeCreateDevicePath (
IN CHAR16* FileName,
OUT EFI_DEVICE_PATH_PROTOCOL **DevicePathNode,
OUT ARM_BDS_LOADER_TYPE *BootType,
OUT UINT32 *Attributes
)
{
*DevicePathNode = (EFI_DEVICE_PATH_PROTOCOL *) AllocatePool (END_DEVICE_PATH_LENGTH);
SetDevicePathEndNode (*DevicePathNode);
*BootType = BDS_LOADER_EFI_APPLICATION;
return EFI_SUCCESS;
}
EFI_STATUS
BdsLoadOptionPxeUpdateDevicePath (
IN EFI_DEVICE_PATH *OldDevicePath,
IN CHAR16* FileName,
OUT EFI_DEVICE_PATH_PROTOCOL **NewDevicePath,
OUT ARM_BDS_LOADER_TYPE *BootType,
OUT UINT32 *Attributes
)
{
ASSERT (0);
return EFI_SUCCESS;
}
BOOLEAN
BdsLoadOptionPxeIsSupported (
IN EFI_DEVICE_PATH *DevicePath
)
{
EFI_STATUS Status;
EFI_HANDLE Handle;
EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath;
EFI_PXE_BASE_CODE_PROTOCOL *PxeBcProtocol;
Status = BdsConnectDevicePath (DevicePath, &Handle, &RemainingDevicePath);
if (EFI_ERROR(Status)) {
return FALSE;
}
if (!IsDevicePathEnd(RemainingDevicePath)) {
return FALSE;
}
Status = gBS->HandleProtocol (Handle, &gEfiPxeBaseCodeProtocolGuid, (VOID **)&PxeBcProtocol);
if (EFI_ERROR (Status)) {
return FALSE;
} else {
return TRUE;
}
}
EFI_STATUS
BdsLoadOptionTftpList (
IN OUT LIST_ENTRY* BdsLoadOptionList
)
{
EFI_STATUS Status;
UINTN HandleCount;
EFI_HANDLE *HandleBuffer;
UINTN Index;
BDS_SUPPORTED_DEVICE *SupportedDevice;
EFI_DEVICE_PATH_PROTOCOL* DevicePathProtocol;
EFI_SIMPLE_NETWORK_PROTOCOL* SimpleNet;
CHAR16 DeviceDescription[BOOT_DEVICE_DESCRIPTION_MAX];
EFI_MAC_ADDRESS *Mac;
// List all the PXE Protocols
Status = gBS->LocateHandleBuffer (ByProtocol, &gEfiPxeBaseCodeProtocolGuid, NULL, &HandleCount, &HandleBuffer);
if (EFI_ERROR (Status)) {
return Status;
}
for (Index = 0; Index < HandleCount; Index++) {
// We only select the handle WITH a Device Path AND the PXE Protocol AND the TFTP Protocol (the TFTP protocol is required to start PXE)
Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiDevicePathProtocolGuid, (VOID **)&DevicePathProtocol);
if (!EFI_ERROR(Status)) {
// Allocate BDS Supported Device structure
SupportedDevice = (BDS_SUPPORTED_DEVICE*)AllocatePool(sizeof(BDS_SUPPORTED_DEVICE));
Status = gBS->LocateProtocol (&gEfiSimpleNetworkProtocolGuid, NULL, (VOID **)&SimpleNet);
if (!EFI_ERROR(Status)) {
Mac = &SimpleNet->Mode->CurrentAddress;
UnicodeSPrint (DeviceDescription,BOOT_DEVICE_DESCRIPTION_MAX,L"MAC Address: %02x:%02x:%02x:%02x:%02x:%02x", Mac->Addr[0], Mac->Addr[1], Mac->Addr[2], Mac->Addr[3], Mac->Addr[4], Mac->Addr[5]);
} else {
Status = GenerateDeviceDescriptionName (HandleBuffer[Index], DeviceDescription);
ASSERT_EFI_ERROR (Status);
}
UnicodeSPrint (SupportedDevice->Description,BOOT_DEVICE_DESCRIPTION_MAX,L"TFTP on %s",DeviceDescription);
SupportedDevice->DevicePathProtocol = DevicePathProtocol;
SupportedDevice->Support = &BdsLoadOptionSupportList[BDS_DEVICE_TFTP];
InsertTailList (BdsLoadOptionList,&SupportedDevice->Link);
}
}
return EFI_SUCCESS;
}
EFI_STATUS
BdsLoadOptionTftpCreateDevicePath (
IN CHAR16* FileName,
OUT EFI_DEVICE_PATH_PROTOCOL **DevicePathNode,
OUT ARM_BDS_LOADER_TYPE *BootType,
OUT UINT32 *Attributes
)
{
EFI_STATUS Status;
BOOLEAN IsDHCP;
EFI_IP_ADDRESS LocalIp;
EFI_IP_ADDRESS RemoteIp;
IPv4_DEVICE_PATH* IPv4DevicePathNode;
FILEPATH_DEVICE_PATH* FilePathDevicePath;
CHAR16 BootFilePath[BOOT_DEVICE_FILEPATH_MAX];
UINTN BootFilePathSize;
Print(L"Get the IP address from DHCP: ");
Status = GetHIInputBoolean (&IsDHCP);
if (EFI_ERROR(Status)) {
return EFI_ABORTED;
}
if (!IsDHCP) {
Print(L"Get the static IP address: ");
Status = GetHIInputIP (&LocalIp);
if (EFI_ERROR(Status)) {
return EFI_ABORTED;
}
}
Print(L"Get the TFTP server IP address: ");
Status = GetHIInputIP (&RemoteIp);
if (EFI_ERROR(Status)) {
return EFI_ABORTED;
}
Print(L"File path of the %s : ", FileName);
Status = GetHIInputStr (BootFilePath, BOOT_DEVICE_FILEPATH_MAX);
if (EFI_ERROR(Status)) {
return EFI_ABORTED;
}
BootFilePathSize = StrSize(BootFilePath);
if (BootFilePathSize == 2) {
return EFI_NOT_FOUND;
}
// Allocate the memory for the IPv4 + File Path Device Path Nodes
IPv4DevicePathNode = (IPv4_DEVICE_PATH*)AllocatePool(sizeof(IPv4_DEVICE_PATH) + SIZE_OF_FILEPATH_DEVICE_PATH + BootFilePathSize);
// Create the IPv4 Device Path
IPv4DevicePathNode->Header.Type = MESSAGING_DEVICE_PATH;
IPv4DevicePathNode->Header.SubType = MSG_IPv4_DP;
SetDevicePathNodeLength (&IPv4DevicePathNode->Header, sizeof(IPv4_DEVICE_PATH));
CopyMem (&IPv4DevicePathNode->LocalIpAddress, &LocalIp.v4, sizeof (EFI_IPv4_ADDRESS));
CopyMem (&IPv4DevicePathNode->RemoteIpAddress, &RemoteIp.v4, sizeof (EFI_IPv4_ADDRESS));
IPv4DevicePathNode->LocalPort = 0;
IPv4DevicePathNode->RemotePort = 0;
IPv4DevicePathNode->Protocol = EFI_IP_PROTO_TCP;
IPv4DevicePathNode->StaticIpAddress = (IsDHCP != TRUE);
// Create the FilePath Device Path node
FilePathDevicePath = (FILEPATH_DEVICE_PATH*)(IPv4DevicePathNode + 1);
FilePathDevicePath->Header.Type = MEDIA_DEVICE_PATH;
FilePathDevicePath->Header.SubType = MEDIA_FILEPATH_DP;
SetDevicePathNodeLength (FilePathDevicePath, SIZE_OF_FILEPATH_DEVICE_PATH + BootFilePathSize);
CopyMem (FilePathDevicePath->PathName, BootFilePath, BootFilePathSize);
if (BootType != NULL || Attributes != NULL) {
Status = BootDeviceGetType (NULL, BootType, Attributes);
}
if (EFI_ERROR(Status)) {
FreePool (IPv4DevicePathNode);
} else {
*DevicePathNode = (EFI_DEVICE_PATH_PROTOCOL*)IPv4DevicePathNode;
}
return Status;
}
EFI_STATUS
BdsLoadOptionTftpUpdateDevicePath (
IN EFI_DEVICE_PATH *OldDevicePath,
IN CHAR16* FileName,
OUT EFI_DEVICE_PATH_PROTOCOL **NewDevicePath,
OUT ARM_BDS_LOADER_TYPE *BootType,
OUT UINT32 *Attributes
)
{
ASSERT (0);
return EFI_SUCCESS;
}
BOOLEAN
BdsLoadOptionTftpIsSupported (
IN EFI_DEVICE_PATH *DevicePath
)
{
EFI_STATUS Status;
EFI_HANDLE Handle;
EFI_DEVICE_PATH *RemainingDevicePath;
EFI_DEVICE_PATH *NextDevicePath;
EFI_PXE_BASE_CODE_PROTOCOL *PxeBcProtocol;
Status = BdsConnectDevicePath (DevicePath, &Handle, &RemainingDevicePath);
if (EFI_ERROR(Status)) {
return FALSE;
}
// Validate the Remaining Device Path
if (IsDevicePathEnd(RemainingDevicePath)) {
return FALSE;
}
if (!IS_DEVICE_PATH_NODE(RemainingDevicePath,MESSAGING_DEVICE_PATH,MSG_IPv4_DP) &&
!IS_DEVICE_PATH_NODE(RemainingDevicePath,MESSAGING_DEVICE_PATH,MSG_IPv6_DP)) {
return FALSE;
}
NextDevicePath = NextDevicePathNode (RemainingDevicePath);
if (IsDevicePathEnd(NextDevicePath)) {
return FALSE;
}
if (!IS_DEVICE_PATH_NODE(NextDevicePath,MEDIA_DEVICE_PATH,MEDIA_FILEPATH_DP)) {
return FALSE;
}
Status = gBS->HandleProtocol (Handle, &gEfiPxeBaseCodeProtocolGuid, (VOID **)&PxeBcProtocol);
if (EFI_ERROR (Status)) {
return FALSE;
} else {
return TRUE;
}
}
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