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MdePkg: Add UEFI2.5 Ramdisk device path definition

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Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Feng Tian <feng.tian@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17878 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Feng Tian
2015-07-08 05:49:07 +00:00
committed by erictian
parent a51ee14463
commit 6a46c1a2a6
5 changed files with 349 additions and 2 deletions
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205
MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c
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@@ -3111,6 +3111,206 @@ DevPathFromTextRelativeOffsetRange (
return (EFI_DEVICE_PATH_PROTOCOL *) Offset;
}
/**
Converts a text device path node to text ram disk device path structure.
@param TextDeviceNode The input Text device path node.
@return A pointer to the newly-created Text device path structure.
**/
EFI_DEVICE_PATH_PROTOCOL *
DevPathFromTextRamDisk (
IN CHAR16 *TextDeviceNode
)
{
CHAR16 *StartingAddrStr;
CHAR16 *EndingAddrStr;
CHAR16 *TypeGuidStr;
CHAR16 *InstanceStr;
MEDIA_RAM_DISK_DEVICE_PATH *RamDisk;
UINT64 StartingAddr;
UINT64 EndingAddr;
StartingAddrStr = GetNextParamStr (&TextDeviceNode);
EndingAddrStr = GetNextParamStr (&TextDeviceNode);
InstanceStr = GetNextParamStr (&TextDeviceNode);
TypeGuidStr = GetNextParamStr (&TextDeviceNode);
RamDisk = (MEDIA_RAM_DISK_DEVICE_PATH *) CreateDeviceNode (
MEDIA_DEVICE_PATH,
MEDIA_RAM_DISK_DP,
(UINT16) sizeof (MEDIA_RAM_DISK_DEVICE_PATH)
);
Strtoi64 (StartingAddrStr, &StartingAddr);
WriteUnaligned64 ((UINT64 *) &(RamDisk->StartingAddr[0]), StartingAddr);
Strtoi64 (EndingAddrStr, &EndingAddr);
WriteUnaligned64 ((UINT64 *) &(RamDisk->EndingAddr[0]), EndingAddr);
RamDisk->Instance = (UINT16) Strtoi (InstanceStr);
StrToGuid (TypeGuidStr, &RamDisk->TypeGuid);
return (EFI_DEVICE_PATH_PROTOCOL *) RamDisk;
}
/**
Converts a text device path node to text virtual disk device path structure.
@param TextDeviceNode The input Text device path node.
@return A pointer to the newly-created Text device path structure.
**/
EFI_DEVICE_PATH_PROTOCOL *
DevPathFromTextVirtualDisk (
IN CHAR16 *TextDeviceNode
)
{
CHAR16 *StartingAddrStr;
CHAR16 *EndingAddrStr;
CHAR16 *InstanceStr;
MEDIA_RAM_DISK_DEVICE_PATH *RamDisk;
UINT64 StartingAddr;
UINT64 EndingAddr;
StartingAddrStr = GetNextParamStr (&TextDeviceNode);
EndingAddrStr = GetNextParamStr (&TextDeviceNode);
InstanceStr = GetNextParamStr (&TextDeviceNode);
RamDisk = (MEDIA_RAM_DISK_DEVICE_PATH *) CreateDeviceNode (
MEDIA_DEVICE_PATH,
MEDIA_RAM_DISK_DP,
(UINT16) sizeof (MEDIA_RAM_DISK_DEVICE_PATH)
);
Strtoi64 (StartingAddrStr, &StartingAddr);
WriteUnaligned64 ((UINT64 *) &(RamDisk->StartingAddr[0]), StartingAddr);
Strtoi64 (EndingAddrStr, &EndingAddr);
WriteUnaligned64 ((UINT64 *) &(RamDisk->EndingAddr[0]), EndingAddr);
RamDisk->Instance = (UINT16) Strtoi (InstanceStr);
CopyGuid (&RamDisk->TypeGuid, &gEfiVirtualDiskGuid);
return (EFI_DEVICE_PATH_PROTOCOL *) RamDisk;
}
/**
Converts a text device path node to text virtual cd device path structure.
@param TextDeviceNode The input Text device path node.
@return A pointer to the newly-created Text device path structure.
**/
EFI_DEVICE_PATH_PROTOCOL *
DevPathFromTextVirtualCd (
IN CHAR16 *TextDeviceNode
)
{
CHAR16 *StartingAddrStr;
CHAR16 *EndingAddrStr;
CHAR16 *InstanceStr;
MEDIA_RAM_DISK_DEVICE_PATH *RamDisk;
UINT64 StartingAddr;
UINT64 EndingAddr;
StartingAddrStr = GetNextParamStr (&TextDeviceNode);
EndingAddrStr = GetNextParamStr (&TextDeviceNode);
InstanceStr = GetNextParamStr (&TextDeviceNode);
RamDisk = (MEDIA_RAM_DISK_DEVICE_PATH *) CreateDeviceNode (
MEDIA_DEVICE_PATH,
MEDIA_RAM_DISK_DP,
(UINT16) sizeof (MEDIA_RAM_DISK_DEVICE_PATH)
);
Strtoi64 (StartingAddrStr, &StartingAddr);
WriteUnaligned64 ((UINT64 *) &(RamDisk->StartingAddr[0]), StartingAddr);
Strtoi64 (EndingAddrStr, &EndingAddr);
WriteUnaligned64 ((UINT64 *) &(RamDisk->EndingAddr[0]), EndingAddr);
RamDisk->Instance = (UINT16) Strtoi (InstanceStr);
CopyGuid (&RamDisk->TypeGuid, &gEfiVirtualCdGuid);
return (EFI_DEVICE_PATH_PROTOCOL *) RamDisk;
}
/**
Converts a text device path node to text persistent virtual disk device path structure.
@param TextDeviceNode The input Text device path node.
@return A pointer to the newly-created Text device path structure.
**/
EFI_DEVICE_PATH_PROTOCOL *
DevPathFromTextPersistentVirtualDisk (
IN CHAR16 *TextDeviceNode
)
{
CHAR16 *StartingAddrStr;
CHAR16 *EndingAddrStr;
CHAR16 *InstanceStr;
MEDIA_RAM_DISK_DEVICE_PATH *RamDisk;
UINT64 StartingAddr;
UINT64 EndingAddr;
StartingAddrStr = GetNextParamStr (&TextDeviceNode);
EndingAddrStr = GetNextParamStr (&TextDeviceNode);
InstanceStr = GetNextParamStr (&TextDeviceNode);
RamDisk = (MEDIA_RAM_DISK_DEVICE_PATH *) CreateDeviceNode (
MEDIA_DEVICE_PATH,
MEDIA_RAM_DISK_DP,
(UINT16) sizeof (MEDIA_RAM_DISK_DEVICE_PATH)
);
Strtoi64 (StartingAddrStr, &StartingAddr);
WriteUnaligned64 ((UINT64 *) &(RamDisk->StartingAddr[0]), StartingAddr);
Strtoi64 (EndingAddrStr, &EndingAddr);
WriteUnaligned64 ((UINT64 *) &(RamDisk->EndingAddr[0]), EndingAddr);
RamDisk->Instance = (UINT16) Strtoi (InstanceStr);
CopyGuid (&RamDisk->TypeGuid, &gEfiPersistentVirtualDiskGuid);
return (EFI_DEVICE_PATH_PROTOCOL *) RamDisk;
}
/**
Converts a text device path node to text persistent virtual cd device path structure.
@param TextDeviceNode The input Text device path node.
@return A pointer to the newly-created Text device path structure.
**/
EFI_DEVICE_PATH_PROTOCOL *
DevPathFromTextPersistentVirtualCd (
IN CHAR16 *TextDeviceNode
)
{
CHAR16 *StartingAddrStr;
CHAR16 *EndingAddrStr;
CHAR16 *InstanceStr;
MEDIA_RAM_DISK_DEVICE_PATH *RamDisk;
UINT64 StartingAddr;
UINT64 EndingAddr;
StartingAddrStr = GetNextParamStr (&TextDeviceNode);
EndingAddrStr = GetNextParamStr (&TextDeviceNode);
InstanceStr = GetNextParamStr (&TextDeviceNode);
RamDisk = (MEDIA_RAM_DISK_DEVICE_PATH *) CreateDeviceNode (
MEDIA_DEVICE_PATH,
MEDIA_RAM_DISK_DP,
(UINT16) sizeof (MEDIA_RAM_DISK_DEVICE_PATH)
);
Strtoi64 (StartingAddrStr, &StartingAddr);
WriteUnaligned64 ((UINT64 *) &(RamDisk->StartingAddr[0]), StartingAddr);
Strtoi64 (EndingAddrStr, &EndingAddr);
WriteUnaligned64 ((UINT64 *) &(RamDisk->EndingAddr[0]), EndingAddr);
RamDisk->Instance = (UINT16) Strtoi (InstanceStr);
CopyGuid (&RamDisk->TypeGuid, &gEfiPersistentVirtualCdGuid);
return (EFI_DEVICE_PATH_PROTOCOL *) RamDisk;
}
/**
Converts a BBS text device path node to BBS device path structure.
@@ -3292,6 +3492,11 @@ GLOBAL_REMOVE_IF_UNREFERENCED DEVICE_PATH_FROM_TEXT_TABLE mUefiDevicePathLibDevP
{L"Fv", DevPathFromTextFv },
{L"FvFile", DevPathFromTextFvFile },
{L"Offset", DevPathFromTextRelativeOffsetRange },
{L"RamDisk", DevPathFromTextRamDisk },
{L"VirtualDisk", DevPathFromTextVirtualDisk },
{L"VirtualCD", DevPathFromTextVirtualCd },
{L"PersistentVirtualDisk", DevPathFromTextPersistentVirtualDisk },
{L"PersistentVirtualCD", DevPathFromTextPersistentVirtualCd },
{L"BbsPath", DevPathFromTextBbsPath },
{L"BBS", DevPathFromTextBBS },