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ArmPlatformPkg/Bds: Add Linux 'initrd' support to BDS

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An 'initrd' file can be specified for a Linux kernel.



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12169 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
oliviermartin
2011-08-18 13:21:14 +00:00
parent 326d1df919
commit 656416bc2e
11 changed files with 286 additions and 96 deletions
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185
ArmPlatformPkg/Bds/BootMenu.c
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@@ -18,28 +18,16 @@ extern EFI_HANDLE mImageHandle;
extern BDS_LOAD_OPTION_SUPPORT *BdsLoadOptionSupportList;
EFI_STATUS
BootMenuAddBootOption (
IN LIST_ENTRY *BootOptionsList
SelectBootDevice (
OUT BDS_SUPPORTED_DEVICE** SupportedBootDevice
)
{
EFI_STATUS Status;
EFI_STATUS Status;
LIST_ENTRY SupportedDeviceList;
UINTN SupportedDeviceCount;
BDS_SUPPORTED_DEVICE* SupportedBootDevice;
LIST_ENTRY* Entry;
UINTN SupportedDeviceSelected;
CHAR8 AsciiBootOption[BOOT_DEVICE_OPTION_MAX];
CHAR8 AsciiBootDescription[BOOT_DEVICE_DESCRIPTION_MAX];
CHAR16 *BootDescription;
UINT32 Attributes;
BDS_LOADER_TYPE BootType;
UINTN Index;
BDS_LOAD_OPTION *BdsLoadOption;
EFI_DEVICE_PATH* DevicePath;
EFI_DEVICE_PATH_PROTOCOL *DevicePathNode;
Attributes = 0;
SupportedBootDevice = NULL;
//
// List the Boot Devices supported
@@ -58,8 +46,8 @@ BootMenuAddBootOption (
Entry = GetNextNode (&SupportedDeviceList,Entry)
)
{
SupportedBootDevice = SUPPORTED_BOOT_DEVICE_FROM_LINK(Entry);
Print(L"[%d] %s\n",SupportedDeviceCount+1,SupportedBootDevice->Description);
*SupportedBootDevice = SUPPORTED_BOOT_DEVICE_FROM_LINK(Entry);
Print(L"[%d] %s\n",SupportedDeviceCount+1,(*SupportedBootDevice)->Description);
DEBUG_CODE_BEGIN();
CHAR16* DevicePathTxt;
@@ -67,7 +55,7 @@ BootMenuAddBootOption (
Status = gBS->LocateProtocol(&gEfiDevicePathToTextProtocolGuid, NULL, (VOID **)&DevicePathToTextProtocol);
ASSERT_EFI_ERROR(Status);
DevicePathTxt = DevicePathToTextProtocol->ConvertDevicePathToText(SupportedBootDevice->DevicePathProtocol,TRUE,TRUE);
DevicePathTxt = DevicePathToTextProtocol->ConvertDevicePathToText((*SupportedBootDevice)->DevicePathProtocol,TRUE,TRUE);
Print(L"\t- %s\n",DevicePathTxt);
@@ -109,13 +97,46 @@ BootMenuAddBootOption (
)
{
if (Index == SupportedDeviceSelected) {
SupportedBootDevice = SUPPORTED_BOOT_DEVICE_FROM_LINK(Entry);
*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;
@@ -124,11 +145,29 @@ BootMenuAddBootOption (
// Append the Device Path node to the select device path
DevicePath = AppendDevicePathNode (SupportedBootDevice->DevicePathProtocol, (CONST EFI_DEVICE_PATH_PROTOCOL *)DevicePathNode);
Print(L"Arguments to pass to the binary: ");
Status = GetHIInputAscii (AsciiBootOption,BOOT_DEVICE_OPTION_MAX);
if (EFI_ERROR(Status)) {
Status = EFI_ABORTED;
goto FREE_DEVICE_PATH;
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: ");
@@ -143,7 +182,7 @@ BootMenuAddBootOption (
AsciiStrToUnicodeStr (AsciiBootDescription, BootDescription);
// Create new entry
Status = BootOptionCreate (Attributes, BootDescription, DevicePath, BootType, AsciiBootOption, &BdsLoadOption);
Status = BootOptionCreate (Attributes, BootDescription, DevicePath, BootType, &BootArguments, &BdsLoadOption);
if (!EFI_ERROR(Status)) {
InsertTailList (BootOptionsList,&BdsLoadOption->Link);
}
@@ -153,8 +192,12 @@ BootMenuAddBootOption (
FREE_DEVICE_PATH:
FreePool (DevicePath);
EXIT:
BootDeviceListSupportedFree (&SupportedDeviceList);
if (Status == EFI_ABORTED) {
Print(L"\n");
}
FreePool(SupportedBootDevice);
return Status;
}
@@ -192,8 +235,8 @@ BootMenuSelectBootOption (
DevicePathTxt = DevicePathToTextProtocol->ConvertDevicePathToText(BootOption->FilePathList,TRUE,TRUE);
Print(L"\t- %s\n",DevicePathTxt);
if ((BootOption->OptionalData != NULL) && (BootOption->OptionalData->Arguments != NULL)) {
Print(L"\t- Arguments: %a\n",BootOption->OptionalData->Arguments);
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);
@@ -210,7 +253,7 @@ BootMenuSelectBootOption (
if (EFI_ERROR(Status)) {
return Status;
} else if ((BootOptionSelected == 0) || (BootOptionSelected >= BootOptionCount)) {
Print(L"Invalid input (max %d)\n",BootOptionCount);
Print(L"Invalid input (max %d)\n",BootOptionCount-1);
BootOptionSelected = 0;
}
}
@@ -256,15 +299,14 @@ BootMenuUpdateBootOption (
IN LIST_ENTRY *BootOptionsList
)
{
EFI_STATUS Status;
BDS_LOAD_OPTION *BootOption;
BDS_LOAD_OPTION_SUPPORT* DeviceSupport;
CHAR8 AsciiBootOption[BOOT_DEVICE_OPTION_MAX];
CHAR8 AsciiBootDescription[BOOT_DEVICE_DESCRIPTION_MAX];
CHAR16 *BootDescription;
EFI_DEVICE_PATH* DevicePath;
UINT32 Attributes;
BDS_LOADER_TYPE BootType;
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)) {
@@ -278,27 +320,53 @@ BootMenuUpdateBootOption (
return EFI_UNSUPPORTED;
}
Status = DeviceSupport->UpdateDevicePathNode (BootOption,&DevicePath,&BootType,&Attributes);
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;
}
Print(L"Arguments to pass to the binary: ");
if (BootOption->OptionalData) {
AsciiStrnCpy(AsciiBootOption,BootOption->OptionalData->Arguments,BOOT_DEVICE_FILEPATH_MAX);
} else {
AsciiBootOption[0] = '\0';
}
Status = EditHIInputAscii (AsciiBootOption,BOOT_DEVICE_OPTION_MAX);
if (EFI_ERROR(Status)) {
Status = EFI_ABORTED;
goto FREE_DEVICE_PATH;
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);
UnicodeStrToAsciiStr (BootOption->Description, AsciiBootDescription);
Status = EditHIInputAscii (AsciiBootDescription, BOOT_DEVICE_DESCRIPTION_MAX);
if (EFI_ERROR(Status)) {
Status = EFI_ABORTED;
goto FREE_DEVICE_PATH;
@@ -309,7 +377,7 @@ BootMenuUpdateBootOption (
AsciiStrToUnicodeStr (AsciiBootDescription, BootDescription);
// Update the entry
Status = BootOptionUpdate (BootOption, Attributes, BootDescription, DevicePath, BootType, AsciiBootOption);
Status = BootOptionUpdate (BootOption, BootOption->Attributes, BootDescription, DevicePath, BootType, &BootArguments);
FreePool (BootDescription);
@@ -441,13 +509,18 @@ BootMenuMain (
DevicePathTxt = DevicePathToTextProtocol->ConvertDevicePathToText(BootOption->FilePathList,TRUE,TRUE);
Print(L"\t- %s\n",DevicePathTxt);
if (BootOption->OptionalData != NULL) {
Print(L"\t- LoaderType: %d\n", ReadUnaligned32 (&BootOption->OptionalData->LoaderType));
if (BootOption->OptionalData->Arguments != NULL) {
Print(L"\t- Arguments: %a\n",BootOption->OptionalData->Arguments);
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();