audk/ArmPlatformPkg/Bds/BootMenu.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"
extern EFI_HANDLE mImageHandle;
extern BDS_LOAD_OPTION_SUPPORT *BdsLoadOptionSupportList;
EFI_STATUS
SelectBootDevice (
OUT BDS_SUPPORTED_DEVICE** SupportedBootDevice
)
{
EFI_STATUS Status;
LIST_ENTRY SupportedDeviceList;
UINTN SupportedDeviceCount;
LIST_ENTRY* Entry;
UINTN SupportedDeviceSelected;
UINTN Index;
//
// List the Boot Devices supported
//
// Start all the drivers first
BdsConnectAllDrivers ();
// List the supported devices
Status = BootDeviceListSupportedInit (&SupportedDeviceList);
ASSERT_EFI_ERROR(Status);
SupportedDeviceCount = 0;
for (Entry = GetFirstNode (&SupportedDeviceList);
!IsNull (&SupportedDeviceList,Entry);
Entry = GetNextNode (&SupportedDeviceList,Entry)
)
{
*SupportedBootDevice = SUPPORTED_BOOT_DEVICE_FROM_LINK(Entry);
Print(L"[%d] %s\n",SupportedDeviceCount+1,(*SupportedBootDevice)->Description);
DEBUG_CODE_BEGIN();
CHAR16* DevicePathTxt;
EFI_DEVICE_PATH_TO_TEXT_PROTOCOL* DevicePathToTextProtocol;
Status = gBS->LocateProtocol(&gEfiDevicePathToTextProtocolGuid, NULL, (VOID **)&DevicePathToTextProtocol);
ASSERT_EFI_ERROR(Status);
DevicePathTxt = DevicePathToTextProtocol->ConvertDevicePathToText((*SupportedBootDevice)->DevicePathProtocol,TRUE,TRUE);
Print(L"\t- %s\n",DevicePathTxt);
FreePool(DevicePathTxt);
DEBUG_CODE_END();
SupportedDeviceCount++;
}
if (SupportedDeviceCount == 0) {
Print(L"There is no supported device.\n");
Status = EFI_ABORTED;
goto EXIT;
}
//
// Select the Boot Device
//
SupportedDeviceSelected = 0;
while (SupportedDeviceSelected == 0) {
Print(L"Select the Boot Device: ");
Status = GetHIInputInteger (&SupportedDeviceSelected);
if (EFI_ERROR(Status)) {
Status = EFI_ABORTED;
goto EXIT;
} else if ((SupportedDeviceSelected == 0) || (SupportedDeviceSelected > SupportedDeviceCount)) {
Print(L"Invalid input (max %d)\n",SupportedDeviceSelected);
SupportedDeviceSelected = 0;
}
}
//
// Get the Device Path for the selected boot device
//
Index = 1;
for (Entry = GetFirstNode (&SupportedDeviceList);
!IsNull (&SupportedDeviceList,Entry);
Entry = GetNextNode (&SupportedDeviceList,Entry)
)
{
if (Index == SupportedDeviceSelected) {
*SupportedBootDevice = SUPPORTED_BOOT_DEVICE_FROM_LINK(Entry);
break;
}
Index++;
}
EXIT:
BootDeviceListSupportedFree (&SupportedDeviceList, *SupportedBootDevice);
return Status;
}
EFI_STATUS
BootMenuAddBootOption (
IN LIST_ENTRY *BootOptionsList
)
{
EFI_STATUS Status;
BDS_SUPPORTED_DEVICE* SupportedBootDevice;
BDS_LOADER_ARGUMENTS BootArguments;
CHAR8 AsciiBootDescription[BOOT_DEVICE_DESCRIPTION_MAX];
CHAR16 *BootDescription;
UINT32 Attributes;
BDS_LOADER_TYPE BootType;
BDS_LOAD_OPTION *BdsLoadOption;
EFI_DEVICE_PATH *DevicePath;
EFI_DEVICE_PATH_PROTOCOL *DevicePathNode;
EFI_DEVICE_PATH_PROTOCOL *InitrdPathNode;
Attributes = 0;
SupportedBootDevice = NULL;
// List the Boot Devices supported
Status = SelectBootDevice(&SupportedBootDevice);
if (EFI_ERROR(Status)) {
Status = EFI_ABORTED;
goto EXIT;
}
// Create the specific device path node
Print(L"File path of the EFI Application or the kernel: ");
Status = SupportedBootDevice->Support->CreateDevicePathNode (SupportedBootDevice, &DevicePathNode, &BootType, &Attributes);
if (EFI_ERROR(Status)) {
Status = EFI_ABORTED;
goto EXIT;
}
// Append the Device Path node to the select device path
DevicePath = AppendDevicePathNode (SupportedBootDevice->DevicePathProtocol, (CONST EFI_DEVICE_PATH_PROTOCOL *)DevicePathNode);
if (BootType == BDS_LOADER_KERNEL_LINUX_ATAG) {
// Create the specific device path node
Print(L"File path of the initrd: ");
Status = SupportedBootDevice->Support->CreateDevicePathNode (SupportedBootDevice, &InitrdPathNode, NULL, NULL);
if (EFI_ERROR(Status) && Status != EFI_NOT_FOUND) { // EFI_NOT_FOUND is returned on empty input string, but we can boot without an initrd
Status = EFI_ABORTED;
goto EXIT;
}
if (InitrdPathNode != NULL) {
// Append the Device Path node to the select device path
BootArguments.LinuxAtagArguments.InitrdPathList = AppendDevicePathNode (SupportedBootDevice->DevicePathProtocol, (CONST EFI_DEVICE_PATH_PROTOCOL *)InitrdPathNode);
} else {
BootArguments.LinuxAtagArguments.InitrdPathList = NULL;
}
Print(L"Arguments to pass to the binary: ");
Status = GetHIInputAscii (BootArguments.LinuxAtagArguments.CmdLine,BOOT_DEVICE_OPTION_MAX);
if (EFI_ERROR(Status)) {
Status = EFI_ABORTED;
goto FREE_DEVICE_PATH;
}
BootArguments.LinuxAtagArguments.CmdLine[BOOT_DEVICE_OPTION_MAX]= '\0';
}
Print(L"Description for this new Entry: ");
Status = GetHIInputAscii (AsciiBootDescription,BOOT_DEVICE_DESCRIPTION_MAX);
if (EFI_ERROR(Status)) {
Status = EFI_ABORTED;
goto FREE_DEVICE_PATH;
}
// Convert Ascii into Unicode
BootDescription = (CHAR16*)AllocatePool(AsciiStrSize(AsciiBootDescription) * sizeof(CHAR16));
AsciiStrToUnicodeStr (AsciiBootDescription, BootDescription);
// Create new entry
Status = BootOptionCreate (Attributes, BootDescription, DevicePath, BootType, &BootArguments, &BdsLoadOption);
if (!EFI_ERROR(Status)) {
InsertTailList (BootOptionsList,&BdsLoadOption->Link);
}
FreePool (BootDescription);
FREE_DEVICE_PATH:
FreePool (DevicePath);
EXIT:
if (Status == EFI_ABORTED) {
Print(L"\n");
}
FreePool(SupportedBootDevice);
return Status;
}
STATIC
EFI_STATUS
BootMenuSelectBootOption (
IN LIST_ENTRY *BootOptionsList,
IN CONST CHAR16* InputStatement,
OUT BDS_LOAD_OPTION **BdsLoadOption
)
{
EFI_STATUS Status;
LIST_ENTRY* Entry;
BDS_LOAD_OPTION *BootOption;
UINTN BootOptionSelected;
UINTN BootOptionCount;
UINTN Index;
// Display the list of supported boot devices
BootOptionCount = 1;
for (Entry = GetFirstNode (BootOptionsList);
!IsNull (BootOptionsList,Entry);
Entry = GetNextNode (BootOptionsList,Entry)
)
{
BootOption = LOAD_OPTION_FROM_LINK(Entry);
Print(L"[%d] %s\n",BootOptionCount,BootOption->Description);
DEBUG_CODE_BEGIN();
CHAR16* DevicePathTxt;
EFI_DEVICE_PATH_TO_TEXT_PROTOCOL* DevicePathToTextProtocol;
Status = gBS->LocateProtocol(&gEfiDevicePathToTextProtocolGuid, NULL, (VOID **)&DevicePathToTextProtocol);
ASSERT_EFI_ERROR(Status);
DevicePathTxt = DevicePathToTextProtocol->ConvertDevicePathToText(BootOption->FilePathList,TRUE,TRUE);
Print(L"\t- %s\n",DevicePathTxt);
if ((BDS_LOADER_TYPE)ReadUnaligned32(&BootOption->OptionalData->LoaderType) == BDS_LOADER_KERNEL_LINUX_ATAG) {
Print(L"\t- Arguments: %a\n",BootOption->OptionalData->Arguments.LinuxAtagArguments.CmdLine);
}
FreePool(DevicePathTxt);
DEBUG_CODE_END();
BootOptionCount++;
}
// Get the index of the boot device to delete
BootOptionSelected = 0;
while (BootOptionSelected == 0) {
Print(InputStatement);
Status = GetHIInputInteger (&BootOptionSelected);
if (EFI_ERROR(Status)) {
return Status;
} else if ((BootOptionSelected == 0) || (BootOptionSelected >= BootOptionCount)) {
Print(L"Invalid input (max %d)\n",BootOptionCount-1);
BootOptionSelected = 0;
}
}
// Get the structure of the Boot device to delete
Index = 1;
for (Entry = GetFirstNode (BootOptionsList);
!IsNull (BootOptionsList,Entry);
Entry = GetNextNode (BootOptionsList,Entry)
)
{
if (Index == BootOptionSelected) {
*BdsLoadOption = LOAD_OPTION_FROM_LINK(Entry);
break;
}
Index++;
}
return EFI_SUCCESS;
}
EFI_STATUS
BootMenuRemoveBootOption (
IN LIST_ENTRY *BootOptionsList
)
{
EFI_STATUS Status;
BDS_LOAD_OPTION *BootOption;
Status = BootMenuSelectBootOption (BootOptionsList,L"Delete entry: ",&BootOption);
if (EFI_ERROR(Status)) {
return Status;
}
// Delete the BDS Load option structures
BootOptionDelete (BootOption);
return EFI_SUCCESS;
}
EFI_STATUS
BootMenuUpdateBootOption (
IN LIST_ENTRY *BootOptionsList
)
{
EFI_STATUS Status;
BDS_LOAD_OPTION *BootOption;
BDS_LOAD_OPTION_SUPPORT *DeviceSupport;
BDS_LOADER_ARGUMENTS BootArguments;
CHAR8 AsciiBootDescription[BOOT_DEVICE_DESCRIPTION_MAX];
CHAR16 *BootDescription;
EFI_DEVICE_PATH* DevicePath;
BDS_LOADER_TYPE BootType;
Status = BootMenuSelectBootOption (BootOptionsList,L"Update entry: ",&BootOption);
if (EFI_ERROR(Status)) {
return Status;
}
// Get the device support for this Boot Option
Status = BootDeviceGetDeviceSupport (BootOption,&DeviceSupport);
if (EFI_ERROR(Status)) {
Print(L"Impossible to retrieve the supported device for the update\n");
return EFI_UNSUPPORTED;
}
Print(L"File path of the EFI Application or the kernel: ");
Status = DeviceSupport->UpdateDevicePathNode (BootOption->FilePathList, &DevicePath, NULL, NULL);
if (EFI_ERROR(Status)) {
Status = EFI_ABORTED;
goto EXIT;
}
BootType = (BDS_LOADER_TYPE)ReadUnaligned32((UINT32 *)(&BootOption->OptionalData->LoaderType));
// TODO: Allow adding an initrd to a boot entry without one
if (BootType == BDS_LOADER_KERNEL_LINUX_ATAG) {
if (ReadUnaligned16(&BootOption->OptionalData->Arguments.LinuxAtagArguments.InitrdPathListLength) > 0
&& (EFI_DEVICE_PATH_PROTOCOL *)ReadUnaligned32((UINT32 *)(&BootOption->OptionalData->Arguments.LinuxAtagArguments.InitrdPathList)) != NULL) {
Print(L"File path of the initrd: ");
Status = DeviceSupport->UpdateDevicePathNode (
(EFI_DEVICE_PATH_PROTOCOL *)ReadUnaligned32((UINT32 *)(&BootOption->OptionalData->Arguments.LinuxAtagArguments.InitrdPathList)),
&BootArguments.LinuxAtagArguments.InitrdPathList,
NULL,
NULL);
if (EFI_ERROR(Status) && Status != EFI_NOT_FOUND) {// EFI_NOT_FOUND is returned on empty input string, but we can boot without an initrd
Status = EFI_ABORTED;
goto EXIT;
}
} else {
BootArguments.LinuxAtagArguments.InitrdPathList = NULL;
BootArguments.LinuxAtagArguments.InitrdPathListLength = 0;
}
Print(L"Arguments to pass to the binary: ");
if (ReadUnaligned32((CONST UINT32*)&BootOption->OptionalData->Arguments.LinuxAtagArguments.CmdLine)) {
AsciiStrnCpy(BootArguments.LinuxAtagArguments.CmdLine,
BootOption->OptionalData->Arguments.LinuxAtagArguments.CmdLine,
BOOT_DEVICE_OPTION_MAX+1);
} else {
BootArguments.LinuxAtagArguments.CmdLine[0] = '\0';
}
Status = EditHIInputAscii (BootArguments.LinuxAtagArguments.CmdLine, BOOT_DEVICE_OPTION_MAX);
if (EFI_ERROR(Status)) {
Status = EFI_ABORTED;
goto FREE_DEVICE_PATH;
}
}
Print(L"Description for this new Entry: ");
UnicodeStrToAsciiStr (BootOption->Description, AsciiBootDescription);
Status = EditHIInputAscii (AsciiBootDescription, BOOT_DEVICE_DESCRIPTION_MAX);
if (EFI_ERROR(Status)) {
Status = EFI_ABORTED;
goto FREE_DEVICE_PATH;
}
// Convert Ascii into Unicode
BootDescription = (CHAR16*)AllocatePool(AsciiStrSize(AsciiBootDescription) * sizeof(CHAR16));
AsciiStrToUnicodeStr (AsciiBootDescription, BootDescription);
// Update the entry
Status = BootOptionUpdate (BootOption, BootOption->Attributes, BootDescription, DevicePath, BootType, &BootArguments);
FreePool (BootDescription);
FREE_DEVICE_PATH:
FreePool (DevicePath);
EXIT:
if (Status == EFI_ABORTED) {
Print(L"\n");
}
return Status;
}
struct BOOT_MANAGER_ENTRY {
CONST CHAR16* Description;
EFI_STATUS (*Callback) (IN LIST_ENTRY *BootOptionsList);
} BootManagerEntries[] = {
{ L"Add Boot Device Entry", BootMenuAddBootOption },
{ L"Update Boot Device Entry", BootMenuUpdateBootOption },
{ L"Remove Boot Device Entry", BootMenuRemoveBootOption },
};
EFI_STATUS
BootMenuManager (
IN LIST_ENTRY *BootOptionsList
)
{
UINTN Index;
UINTN OptionSelected;
UINTN BootManagerEntryCount;
EFI_STATUS Status;
BootManagerEntryCount = sizeof(BootManagerEntries) / sizeof(struct BOOT_MANAGER_ENTRY);
while (TRUE) {
// Display Boot Manager menu
for (Index = 0; Index < BootManagerEntryCount; Index++) {
Print(L"[%d] %s\n",Index+1,BootManagerEntries[Index]);
}
Print(L"[%d] Return to main menu\n",Index+1);
// Select which entry to call
Print(L"Choice: ");
Status = GetHIInputInteger (&OptionSelected);
if (EFI_ERROR(Status) || (OptionSelected == (BootManagerEntryCount+1))) {
if (EFI_ERROR(Status)) {
Print(L"\n");
}
return EFI_SUCCESS;
} else if ((OptionSelected > 0) && (OptionSelected <= BootManagerEntryCount)) {
Status = BootManagerEntries[OptionSelected-1].Callback (BootOptionsList);
}
}
return EFI_SUCCESS;
}
EFI_STATUS
BootEBL (
IN LIST_ENTRY *BootOptionsList
)
{
EFI_STATUS Status;
// Start EFI Shell
Status = BdsLoadApplication(mImageHandle, L"Ebl");
if (Status == EFI_NOT_FOUND) {
Print (L"Error: EFI Application not found.\n");
} else if (EFI_ERROR(Status)) {
Print (L"Error: Status Code: 0x%X\n",(UINT32)Status);
}
return Status;
}
struct BOOT_MAIN_ENTRY {
CONST CHAR16* Description;
EFI_STATUS (*Callback) (IN LIST_ENTRY *BootOptionsList);
} BootMainEntries[] = {
{ L"EBL", BootEBL },
{ L"Boot Manager", BootMenuManager },
};
EFI_STATUS
BootMenuMain (
VOID
)
{
LIST_ENTRY BootOptionsList;
UINTN OptionCount;
UINTN BootOptionCount;
EFI_STATUS Status;
LIST_ENTRY *Entry;
BDS_LOAD_OPTION *BootOption;
UINTN BootOptionSelected;
UINTN Index;
UINTN BootMainEntryCount;
BootOption = NULL;
BootMainEntryCount = sizeof(BootMainEntries) / sizeof(struct BOOT_MAIN_ENTRY);
// Get Boot#### list
BootOptionList (&BootOptionsList);
while (TRUE) {
OptionCount = 1;
// Display the Boot options
for (Entry = GetFirstNode (&BootOptionsList);
!IsNull (&BootOptionsList,Entry);
Entry = GetNextNode (&BootOptionsList,Entry)
)
{
BootOption = LOAD_OPTION_FROM_LINK(Entry);
Print(L"[%d] %s\n",OptionCount,BootOption->Description);
DEBUG_CODE_BEGIN();
CHAR16* DevicePathTxt;
EFI_DEVICE_PATH_TO_TEXT_PROTOCOL* DevicePathToTextProtocol;
Status = gBS->LocateProtocol(&gEfiDevicePathToTextProtocolGuid, NULL, (VOID **)&DevicePathToTextProtocol);
if (EFI_ERROR(Status)) {
// You must provide an implementation of DevicePathToTextProtocol in your firmware (eg: DevicePathDxe)
DEBUG((EFI_D_ERROR,"Error: Bds requires DevicePathToTextProtocol\n"));
return Status;
}
DevicePathTxt = DevicePathToTextProtocol->ConvertDevicePathToText(BootOption->FilePathList,TRUE,TRUE);
Print(L"\t- %s\n",DevicePathTxt);
if (ReadUnaligned32(&BootOption->OptionalData->LoaderType) == BDS_LOADER_KERNEL_LINUX_ATAG) {
if (ReadUnaligned16(&BootOption->OptionalData->Arguments.LinuxAtagArguments.InitrdPathListLength) > 0
&& (EFI_DEVICE_PATH_PROTOCOL *)ReadUnaligned32((UINT32 *)(&BootOption->OptionalData->Arguments.LinuxAtagArguments.InitrdPathList)) != NULL) {
DevicePathTxt = DevicePathToTextProtocol->ConvertDevicePathToText((EFI_DEVICE_PATH_PROTOCOL *)ReadUnaligned32((UINT32 *)(&BootOption->OptionalData->Arguments.LinuxAtagArguments.InitrdPathList)),TRUE,TRUE);
Print(L"\t- Initrd: %s\n", DevicePathTxt);
}
Print(L"\t- Arguments: %a\n", BootOption->OptionalData->Arguments.LinuxAtagArguments.CmdLine);
}
Print(L"\t- LoaderType: %d\n", ReadUnaligned32 (&BootOption->OptionalData->LoaderType));
FreePool(DevicePathTxt);
DEBUG_CODE_END();
OptionCount++;
}
BootOptionCount = OptionCount-1;
// Display the hardcoded Boot entries
for (Index = 0; Index < BootMainEntryCount; Index++) {
Print(L"[%d] %s\n",OptionCount,BootMainEntries[Index]);
OptionCount++;
}
// Request the boot entry from the user
BootOptionSelected = 0;
while (BootOptionSelected == 0) {
Print(L"Start: ");
Status = GetHIInputInteger (&BootOptionSelected);
if (EFI_ERROR(Status) || (BootOptionSelected == 0) || (BootOptionSelected > OptionCount)) {
Print(L"Invalid input (max %d)\n",(OptionCount-1));
BootOptionSelected = 0;
}
}
// Start the selected entry
if (BootOptionSelected > BootOptionCount) {
// Start the hardcoded entry
Status = BootMainEntries[BootOptionSelected - BootOptionCount - 1].Callback (&BootOptionsList);
} else {
// Find the selected entry from the Boot#### list
Index = 1;
for (Entry = GetFirstNode (&BootOptionsList);
!IsNull (&BootOptionsList,Entry);
Entry = GetNextNode (&BootOptionsList,Entry)
)
{
if (Index == BootOptionSelected) {
BootOption = LOAD_OPTION_FROM_LINK(Entry);
break;
}
Index++;
}
Status = BootOptionStart (BootOption);
}
}
return Status;
}