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ArmPlatformPkg/Bds: Corrected boot type detection 

Corrected the detection of file system and memory map boot option types.
 
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
Reviewed-By: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15717 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Ronald Cron 2014-07-29 14:19:02 +00:00 committed by oliviermartin
parent 66982010ed
commit 22a50a13e5
1 changed files with 71 additions and 9 deletions
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80
ArmPlatformPkg/Bds/BootOptionSupport.c
View File

@ -458,16 +458,47 @@ BdsLoadOptionFileSystemUpdateDevicePath (
return EFI_SUCCESS;
}
/**
Check if a boot option path is a file system boot option path or not.
The device specified by the beginning of the path has to support the Simple File
System protocol. Furthermore, the remaining part of the path has to be composed of
a single node of type MEDIA_DEVICE_PATH and sub-type MEDIA_FILEPATH_DP.
@param[in] DevicePath Complete device path of a boot option.
@retval FALSE The boot option path has not been identified as that of a
file system boot option.
@retval TRUE The boot option path is a file system boot option.
**/
BOOLEAN
BdsLoadOptionFileSystemIsSupported (
IN EFI_DEVICE_PATH *DevicePath
IN EFI_DEVICE_PATH *DevicePath
)
{
EFI_DEVICE_PATH* DevicePathNode;
EFI_STATUS Status;
EFI_HANDLE Handle;
EFI_DEVICE_PATH *RemainingDevicePath;
EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *FileProtocol;
DevicePathNode = GetLastDevicePathNode (DevicePath);
Status = BdsConnectDevicePath (DevicePath, &Handle, &RemainingDevicePath);
if (EFI_ERROR (Status)) {
return FALSE;
}
return IS_DEVICE_PATH_NODE(DevicePathNode,MEDIA_DEVICE_PATH,MEDIA_FILEPATH_DP);
Status = gBS->HandleProtocol (
Handle,
&gEfiSimpleFileSystemProtocolGuid,
(VOID **)(&FileProtocol)
);
if (EFI_ERROR (Status)) {
return FALSE;
}
if (!IS_DEVICE_PATH_NODE (RemainingDevicePath, MEDIA_DEVICE_PATH, MEDIA_FILEPATH_DP))
return FALSE;
return TRUE;
}
STATIC
@ -643,16 +674,47 @@ BdsLoadOptionMemMapUpdateDevicePath (
return Status;
}
/**
Check if a boot option path is a memory map boot option path or not.
The device specified by the beginning of the path has to support the BlockIo
protocol. Furthermore, the remaining part of the path has to be composed of
a single node of type HARDWARE_DEVICE_PATH and sub-type HW_MEMMAP_DP.
@param[in] DevicePath Complete device path of a boot option.
@retval FALSE The boot option path has not been identified as that of a
memory map boot option.
@retval TRUE The boot option path is a a memory map boot option.
**/
BOOLEAN
BdsLoadOptionMemMapIsSupported (
IN EFI_DEVICE_PATH *DevicePath
IN EFI_DEVICE_PATH *DevicePath
)
{
EFI_DEVICE_PATH* DevicePathNode;
EFI_STATUS Status;
EFI_HANDLE Handle;
EFI_DEVICE_PATH *RemainingDevicePath;
EFI_BLOCK_IO_PROTOCOL *BlockIoProtocol;
DevicePathNode = GetLastDevicePathNode (DevicePath);
Status = BdsConnectDevicePath (DevicePath, &Handle, &RemainingDevicePath);
if (EFI_ERROR (Status)) {
return FALSE;
}
return IS_DEVICE_PATH_NODE(DevicePathNode,HARDWARE_DEVICE_PATH,HW_MEMMAP_DP);
Status = gBS->HandleProtocol (
Handle,
&gEfiBlockIoProtocolGuid,
(VOID **)(&BlockIoProtocol)
);
if (EFI_ERROR (Status)) {
return FALSE;
}
if (!IS_DEVICE_PATH_NODE (RemainingDevicePath, HARDWARE_DEVICE_PATH, HW_MEMMAP_DP))
return FALSE;
return TRUE;
}
EFI_STATUS
@ -748,7 +810,7 @@ BdsLoadOptionPxeUpdateDevicePath (
BOOLEAN
BdsLoadOptionPxeIsSupported (
IN EFI_DEVICE_PATH *DevicePath
IN EFI_DEVICE_PATH *DevicePath
)
{
EFI_STATUS Status;