diff options
Diffstat (limited to 'EdkUnixPkg/Dxe/PlatformBds/Generic/BootMaint/BmLib.c')
| -rw-r--r-- | EdkUnixPkg/Dxe/PlatformBds/Generic/BootMaint/BmLib.c | 627 |
1 files changed, 0 insertions, 627 deletions
diff --git a/EdkUnixPkg/Dxe/PlatformBds/Generic/BootMaint/BmLib.c b/EdkUnixPkg/Dxe/PlatformBds/Generic/BootMaint/BmLib.c deleted file mode 100644 index e9245d2..0000000 --- a/EdkUnixPkg/Dxe/PlatformBds/Generic/BootMaint/BmLib.c +++ /dev/null @@ -1,627 +0,0 @@ -/*++
-
-Copyright (c) 2006, Intel Corporation
-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.
-
-Module Name:
-
- BmLib.c
-
-AgBStract:
-
- Boot Maintainence Helper functions
-
---*/
-
-#include "BootMaint.h"
-
-EFI_STATUS
-EfiLibLocateProtocol (
- IN EFI_GUID *ProtocolGuid,
- OUT VOID **Interface
- )
-/*++
-
-Routine Description:
-
- Find the first instance of this Protocol
- in the system and return it's interface
-
-Arguments:
-
- ProtocolGuid - Provides the protocol to search for
- Interface - On return, a pointer to the first interface
- that matches ProtocolGuid
-
-Returns:
-
- EFI_SUCCESS - A protocol instance matching ProtocolGuid was found
-
- EFI_NOT_FOUND - No protocol instances were found that match ProtocolGuid
-
---*/
-{
- EFI_STATUS Status;
-
- Status = gBS->LocateProtocol (
- ProtocolGuid,
- NULL,
- Interface
- );
- return Status;
-}
-
-EFI_FILE_HANDLE
-EfiLibOpenRoot (
- IN EFI_HANDLE DeviceHandle
- )
-/*++
-
-Routine Description:
-
- Function opens and returns a file handle to the root directory of a volume.
-
-Arguments:
-
- DeviceHandle - A handle for a device
-
-Returns:
-
- A valid file handle or NULL is returned
-
---*/
-{
- EFI_STATUS Status;
- EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *Volume;
- EFI_FILE_HANDLE File;
-
- File = NULL;
-
- //
- // File the file system interface to the device
- //
- Status = gBS->HandleProtocol (
- DeviceHandle,
- &gEfiSimpleFileSystemProtocolGuid,
- (VOID *) &Volume
- );
-
- //
- // Open the root directory of the volume
- //
- if (!EFI_ERROR (Status)) {
- Status = Volume->OpenVolume (
- Volume,
- &File
- );
- }
- //
- // Done
- //
- return EFI_ERROR (Status) ? NULL : File;
-}
-
-BOOLEAN
-EfiGrowBuffer (
- IN OUT EFI_STATUS *Status,
- IN OUT VOID **Buffer,
- IN UINTN BufferSize
- )
-/*++
-
-Routine Description:
-
- Helper function called as part of the code needed
- to allocate the proper sized buffer for various
- EFI interfaces.
-
-Arguments:
-
- Status - Current status
-
- Buffer - Current allocated buffer, or NULL
-
- BufferSize - Current buffer size needed
-
-Returns:
-
- TRUE - if the buffer was reallocated and the caller
- should try the API again.
-
---*/
-{
- BOOLEAN TryAgain;
-
- //
- // If this is an initial request, buffer will be null with a new buffer size
- //
- if (!*Buffer && BufferSize) {
- *Status = EFI_BUFFER_TOO_SMALL;
- }
- //
- // If the status code is "buffer too small", resize the buffer
- //
- TryAgain = FALSE;
- if (*Status == EFI_BUFFER_TOO_SMALL) {
-
- SafeFreePool (*Buffer);
-
- *Buffer = AllocateZeroPool (BufferSize);
-
- if (*Buffer) {
- TryAgain = TRUE;
- } else {
- *Status = EFI_OUT_OF_RESOURCES;
- }
- }
- //
- // If there's an error, free the buffer
- //
- if (!TryAgain && EFI_ERROR (*Status) && *Buffer) {
- SafeFreePool (*Buffer);
- *Buffer = NULL;
- }
-
- return TryAgain;
-}
-
-VOID *
-EfiLibGetVariable (
- IN CHAR16 *Name,
- IN EFI_GUID *VendorGuid
- )
-/*++
-
-Routine Description:
- Function returns the value of the specified variable.
-
-Arguments:
- Name - A Null-terminated Unicode string that is
- the name of the vendor's variable.
-
- VendorGuid - A unique identifier for the vendor.
-
-Returns:
-
- None
-
---*/
-{
- UINTN VarSize;
-
- return BdsLibGetVariableAndSize (Name, VendorGuid, &VarSize);
-}
-
-EFI_STATUS
-EfiLibDeleteVariable (
- IN CHAR16 *VarName,
- IN EFI_GUID *VarGuid
- )
-/*++
-
-Routine Description:
- Function deletes the variable specified by VarName and VarGuid.
-
-Arguments:
- VarName - A Null-terminated Unicode string that is
- the name of the vendor's variable.
-
- VendorGuid - A unique identifier for the vendor.
-
-Returns:
-
- EFI_SUCCESS - The variable was found and removed
-
- EFI_UNSUPPORTED - The variable store was inaccessible
-
- EFI_OUT_OF_RESOURCES - The temporary buffer was not available
-
- EFI_NOT_FOUND - The variable was not found
-
---*/
-{
- VOID *VarBuf;
- EFI_STATUS Status;
-
- VarBuf = EfiLibGetVariable (VarName, VarGuid);
- Status = EFI_NOT_FOUND;
-
- if (VarBuf) {
- //
- // Delete variable from Storage
- //
- Status = gRT->SetVariable (VarName, VarGuid, VAR_FLAG, 0, NULL);
- ASSERT (!EFI_ERROR (Status));
- SafeFreePool (VarBuf);
- }
-
- return Status;
-}
-
-EFI_FILE_SYSTEM_VOLUME_LABEL_INFO *
-EfiLibFileSystemVolumeLabelInfo (
- IN EFI_FILE_HANDLE FHand
- )
-/*++
-
-Routine Description:
-
- Function gets the file system information from an open file descriptor,
- and stores it in a buffer allocated from pool.
-
-Arguments:
-
- Fhand - A file handle
-
-Returns:
-
- A pointer to a buffer with file information or NULL is returned
-
---*/
-{
- EFI_STATUS Status;
- EFI_FILE_SYSTEM_VOLUME_LABEL_INFO *Buffer;
- UINTN BufferSize;
- //
- // Initialize for GrowBuffer loop
- //
- Buffer = NULL;
- BufferSize = SIZE_OF_EFI_FILE_SYSTEM_VOLUME_LABEL_INFO + 200;
-
- //
- // Call the real function
- //
- while (EfiGrowBuffer (&Status, (VOID **) &Buffer, BufferSize)) {
- Status = FHand->GetInfo (
- FHand,
- &gEfiFileSystemVolumeLabelInfoIdGuid,
- &BufferSize,
- Buffer
- );
- }
-
- return Buffer;
-}
-
-CHAR16 *
-EfiStrDuplicate (
- IN CHAR16 *Src
- )
-{
- CHAR16 *Dest;
- UINTN Size;
-
- Size = StrSize (Src);
- Dest = AllocateZeroPool (Size);
- ASSERT (Dest != NULL);
- if (Dest) {
- CopyMem (Dest, Src, Size);
- }
-
- return Dest;
-}
-
-EFI_FILE_INFO *
-EfiLibFileInfo (
- IN EFI_FILE_HANDLE FHand
- )
-/*++
-
-Routine Description:
-
- Function gets the file information from an open file descriptor, and stores it
- in a buffer allocated from pool.
-
-Arguments:
-
- Fhand - A file handle
-
-Returns:
-
- A pointer to a buffer with file information or NULL is returned
-
---*/
-{
- EFI_STATUS Status;
- EFI_FILE_INFO *Buffer;
- UINTN BufferSize;
-
- //
- // Initialize for GrowBuffer loop
- //
- Buffer = NULL;
- BufferSize = SIZE_OF_EFI_FILE_INFO + 200;
-
- //
- // Call the real function
- //
- while (EfiGrowBuffer (&Status, (VOID **) &Buffer, BufferSize)) {
- Status = FHand->GetInfo (
- FHand,
- &gEfiFileInfoGuid,
- &BufferSize,
- Buffer
- );
- }
-
- return Buffer;
-}
-
-UINTN
-EfiDevicePathInstanceCount (
- IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
- )
-/*++
-
-Routine Description:
- Function is used to determine the number of device path instances
- that exist in a device path.
-
-Arguments:
- DevicePath - A pointer to a device path data structure.
-
-Returns:
-
- This function counts and returns the number of device path instances
- in DevicePath.
-
---*/
-{
- UINTN Count;
- UINTN Size;
-
- Count = 0;
- while (GetNextDevicePathInstance (&DevicePath, &Size)) {
- Count += 1;
- }
-
- return Count;
-}
-
-VOID *
-EfiReallocatePool (
- IN VOID *OldPool,
- IN UINTN OldSize,
- IN UINTN NewSize
- )
-/*++
-
-Routine Description:
- Adjusts the size of a previously allocated buffer.
-
-Arguments:
- OldPool - A pointer to the buffer whose size is being adjusted.
- OldSize - The size of the current buffer.
- NewSize - The size of the new buffer.
-
-Returns:
-
- EFI_SUCEESS - The requested number of bytes were allocated.
-
- EFI_OUT_OF_RESOURCES - The pool requested could not be allocated.
-
- EFI_INVALID_PARAMETER - The buffer was invalid.
-
---*/
-{
- VOID *NewPool;
-
- NewPool = NULL;
- if (NewSize) {
- NewPool = AllocateZeroPool (NewSize);
- }
-
- if (OldPool) {
- if (NewPool) {
- CopyMem (NewPool, OldPool, OldSize < NewSize ? OldSize : NewSize);
- }
-
- SafeFreePool (OldPool);
- }
-
- return NewPool;
-}
-
-EFI_STATUS
-EfiLibGetStringFromToken (
- IN EFI_GUID *ProducerGuid,
- IN STRING_REF Token,
- OUT CHAR16 **String
- )
-/*++
-
-Routine Description:
-
- Acquire the string associated with the ProducerGuid and return it.
-
-Arguments:
-
- ProducerGuid - The Guid to search the HII database for
- Token - The token value of the string to extract
- String - The string that is extracted
-
-Returns:
-
- EFI_SUCCESS - Buffer filled with the requested forms. BufferLength
- was updated.
- EFI_BUFFER_TOO_SMALL - The buffer provided was not large enough to allow the form to be stored.
-
---*/
-{
- EFI_STATUS Status;
- UINT16 HandleBufferLength;
- EFI_HII_HANDLE *HiiHandleBuffer;
- UINTN StringBufferLength;
- UINTN NumberOfHiiHandles;
- UINTN Index;
- UINT16 Length;
- EFI_GUID HiiGuid;
- EFI_HII_PROTOCOL *Hii;
-
- //
- // Initialize params.
- //
- HandleBufferLength = 0;
- HiiHandleBuffer = NULL;
-
- Status = gBS->LocateProtocol (
- &gEfiHiiProtocolGuid,
- NULL,
- (VOID**) &Hii
- );
- if (EFI_ERROR (Status)) {
- *String = NULL;
- return Status;
- }
- //
- // Get all the Hii handles
- //
- Status = BdsLibGetHiiHandles (Hii, &HandleBufferLength, &HiiHandleBuffer);
- ASSERT_EFI_ERROR (Status);
-
- //
- // Get the Hii Handle that matches the StructureNode->ProducerName
- //
- NumberOfHiiHandles = HandleBufferLength / sizeof (EFI_HII_HANDLE);
- for (Index = 0; Index < NumberOfHiiHandles; Index++) {
- Length = 0;
- Status = ExtractDataFromHiiHandle (
- HiiHandleBuffer[Index],
- &Length,
- NULL,
- &HiiGuid
- );
- if (CompareGuid (ProducerGuid, &HiiGuid)) {
- break;
- }
- }
- //
- // Find the string based on the current language
- //
- StringBufferLength = 0x100;
- *String = AllocateZeroPool (0x100);
- ASSERT (*String != NULL);
-
- Status = Hii->GetString (
- Hii,
- HiiHandleBuffer[Index],
- Token,
- FALSE,
- NULL,
- &StringBufferLength,
- *String
- );
-
- gBS->FreePool (HiiHandleBuffer);
-
- return Status;
-}
-
-BOOLEAN
-TimeCompare (
- IN EFI_TIME *FirstTime,
- IN EFI_TIME *SecondTime
- )
-/*++
-
-Routine Description:
- Compare two EFI_TIME data.
-
-Arguments:
-
- FirstTime - A pointer to the first EFI_TIME data.
- SecondTime - A pointer to the second EFI_TIME data.
-
-Returns:
- TRUE The FirstTime is not later than the SecondTime.
- FALSE The FirstTime is later than the SecondTime.
-
---*/
-{
- if (FirstTime->Year != SecondTime->Year) {
- return (BOOLEAN) (FirstTime->Year < SecondTime->Year);
- } else if (FirstTime->Month != SecondTime->Month) {
- return (BOOLEAN) (FirstTime->Month < SecondTime->Month);
- } else if (FirstTime->Day != SecondTime->Day) {
- return (BOOLEAN) (FirstTime->Day < SecondTime->Day);
- } else if (FirstTime->Hour != SecondTime->Hour) {
- return (BOOLEAN) (FirstTime->Hour < SecondTime->Hour);
- } else if (FirstTime->Minute != SecondTime->Minute) {
- return (BOOLEAN) (FirstTime->Minute < FirstTime->Minute);
- } else if (FirstTime->Second != SecondTime->Second) {
- return (BOOLEAN) (FirstTime->Second < SecondTime->Second);
- }
-
- return (BOOLEAN) (FirstTime->Nanosecond <= SecondTime->Nanosecond);
-}
-
-UINT16 *
-EfiLibStrFromDatahub (
- IN EFI_DEVICE_PATH_PROTOCOL *DevPath
- )
-{
- EFI_STATUS Status;
- UINT16 *Desc;
- EFI_DATA_HUB_PROTOCOL *Datahub;
- UINT64 Count;
- EFI_DATA_RECORD_HEADER *Record;
- EFI_SUBCLASS_TYPE1_HEADER *DataHdr;
- EFI_GUID MiscGuid = EFI_MISC_SUBCLASS_GUID;
- EFI_MISC_ONBOARD_DEVICE_DATA *ob;
- EFI_MISC_PORT_INTERNAL_CONNECTOR_DESIGNATOR_DATA *Port;
- EFI_TIME CurTime;
-
- Status = gBS->LocateProtocol (
- &gEfiDataHubProtocolGuid,
- NULL,
- (VOID**) &Datahub
- );
- if (EFI_ERROR (Status)) {
- return NULL;
- }
-
- Status = gRT->GetTime (&CurTime, NULL);
- if (EFI_ERROR (Status)) {
- return NULL;
- }
-
- Count = 0;
- do {
- Status = Datahub->GetNextRecord (Datahub, &Count, NULL, &Record);
-
- if (EFI_ERROR (Status)) {
- break;
- }
-
- if (Record->DataRecordClass == EFI_DATA_RECORD_CLASS_DATA && CompareGuid (&Record->DataRecordGuid, &MiscGuid)) {
- //
- // This record is what we need
- //
- DataHdr = (EFI_SUBCLASS_TYPE1_HEADER *) (Record + 1);
- if (EFI_MISC_ONBOARD_DEVICE_RECORD_NUMBER == DataHdr->RecordType) {
- ob = (EFI_MISC_ONBOARD_DEVICE_DATA *) (DataHdr + 1);
- if (BdsLibMatchDevicePaths ((EFI_DEVICE_PATH_PROTOCOL *) &ob->OnBoardDevicePath, DevPath)) {
- EfiLibGetStringFromToken (&Record->ProducerName, ob->OnBoardDeviceDescription, &Desc);
- return Desc;
- }
- }
-
- if (EFI_MISC_PORT_INTERNAL_CONNECTOR_DESIGNATOR_RECORD_NUMBER == DataHdr->RecordType) {
- Port = (EFI_MISC_PORT_INTERNAL_CONNECTOR_DESIGNATOR_DATA *) (DataHdr + 1);
- if (BdsLibMatchDevicePaths ((EFI_DEVICE_PATH_PROTOCOL *) &Port->PortPath, DevPath)) {
- EfiLibGetStringFromToken (&Record->ProducerName, Port->PortExternalConnectorDesignator, &Desc);
- return Desc;
- }
- }
- }
-
- } while (TimeCompare (&Record->LogTime, &CurTime) && Count != 0);
-
- return NULL;
-}
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