From 6a46c1a2a62135d8f55d093f08bc06537b3ba8ef Mon Sep 17 00:00:00 2001 From: Feng Tian Date: Wed, 8 Jul 2015 05:49:07 +0000 Subject: MdePkg: Add UEFI2.5 Ramdisk device path definition Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Feng Tian Reviewed-by: Star Zeng git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17878 6f19259b-4bc3-4df7-8a09-765794883524 --- .../Library/UefiDevicePathLib/DevicePathFromText.c | 205 +++++++++++++++++++++ .../Library/UefiDevicePathLib/DevicePathToText.c | 70 +++++++ .../UefiDevicePathLib/UefiDevicePathLib.inf | 8 + 3 files changed, 283 insertions(+) (limited to 'MdePkg/Library') diff --git a/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c b/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c index a05f42ce00..bbfff213ef 100644 --- a/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c +++ b/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c @@ -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 }, diff --git a/MdePkg/Library/UefiDevicePathLib/DevicePathToText.c b/MdePkg/Library/UefiDevicePathLib/DevicePathToText.c index 68b937293e..e82a70484c 100644 --- a/MdePkg/Library/UefiDevicePathLib/DevicePathToText.c +++ b/MdePkg/Library/UefiDevicePathLib/DevicePathToText.c @@ -1857,6 +1857,75 @@ DevPathRelativeOffsetRange ( ); } +/** + Converts a Ram Disk device path structure to its string representative. + + @param Str The string representative of input device. + @param DevPath The input device path structure. + @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation + of the display node is used, where applicable. If DisplayOnly + is FALSE, then the longer text representation of the display node + is used. + @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text + representation for a device node can be used, where applicable. + +**/ +VOID +DevPathToTextRamDisk ( + IN OUT POOL_PRINT *Str, + IN VOID *DevPath, + IN BOOLEAN DisplayOnly, + IN BOOLEAN AllowShortcuts + ) +{ + MEDIA_RAM_DISK_DEVICE_PATH *RamDisk; + + RamDisk = DevPath; + + if (CompareGuid (&RamDisk->TypeGuid, &gEfiVirtualDiskGuid)) { + UefiDevicePathLibCatPrint ( + Str, + L"VirtualDisk(0x%lx,0x%lx,%d)", + RShiftU64 ((UINT64)RamDisk->StartingAddr[1], 32) | RamDisk->StartingAddr[0], + RShiftU64 ((UINT64)RamDisk->EndingAddr[1], 32) | RamDisk->EndingAddr[0], + RamDisk->Instance + ); + } else if (CompareGuid (&RamDisk->TypeGuid, &gEfiVirtualCdGuid)) { + UefiDevicePathLibCatPrint ( + Str, + L"VirtualCD(0x%lx,0x%lx,%d)", + RShiftU64 ((UINT64)RamDisk->StartingAddr[1], 32) | RamDisk->StartingAddr[0], + RShiftU64 ((UINT64)RamDisk->EndingAddr[1], 32) | RamDisk->EndingAddr[0], + RamDisk->Instance + ); + } else if (CompareGuid (&RamDisk->TypeGuid, &gEfiPersistentVirtualDiskGuid)) { + UefiDevicePathLibCatPrint ( + Str, + L"PersistentVirtualDisk(0x%lx,0x%lx,%d)", + RShiftU64 ((UINT64)RamDisk->StartingAddr[1], 32) | RamDisk->StartingAddr[0], + RShiftU64 ((UINT64)RamDisk->EndingAddr[1], 32) | RamDisk->EndingAddr[0], + RamDisk->Instance + ); + } else if (CompareGuid (&RamDisk->TypeGuid, &gEfiPersistentVirtualCdGuid)) { + UefiDevicePathLibCatPrint ( + Str, + L"PersistentVirtualCD(0x%lx,0x%lx,%d)", + RShiftU64 ((UINT64)RamDisk->StartingAddr[1], 32) | RamDisk->StartingAddr[0], + RShiftU64 ((UINT64)RamDisk->EndingAddr[1], 32) | RamDisk->EndingAddr[0], + RamDisk->Instance + ); + } else { + UefiDevicePathLibCatPrint ( + Str, + L"RamDisk(0x%lx,0x%lx,%d,%g)", + RShiftU64 ((UINT64)RamDisk->StartingAddr[1], 32) | RamDisk->StartingAddr[0], + RShiftU64 ((UINT64)RamDisk->EndingAddr[1], 32) | RamDisk->EndingAddr[0], + RamDisk->Instance, + &RamDisk->TypeGuid + ); + } +} + /** Converts a BIOS Boot Specification device path structure to its string representative. @@ -2057,6 +2126,7 @@ GLOBAL_REMOVE_IF_UNREFERENCED const DEVICE_PATH_TO_TEXT_TABLE mUefiDevicePathLib {MEDIA_DEVICE_PATH, MEDIA_PIWG_FW_VOL_DP, DevPathToTextFv }, {MEDIA_DEVICE_PATH, MEDIA_PIWG_FW_FILE_DP, DevPathToTextFvFile }, {MEDIA_DEVICE_PATH, MEDIA_RELATIVE_OFFSET_RANGE_DP, DevPathRelativeOffsetRange }, + {MEDIA_DEVICE_PATH, MEDIA_RAM_DISK_DP, DevPathToTextRamDisk }, {BBS_DEVICE_PATH, BBS_BBS_DP, DevPathToTextBBS }, {END_DEVICE_PATH_TYPE, END_INSTANCE_DEVICE_PATH_SUBTYPE, DevPathToTextEndInstance }, {0, 0, NULL} diff --git a/MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.inf b/MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.inf index f4ae91f59a..c76275b9d7 100644 --- a/MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.inf +++ b/MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.inf @@ -61,6 +61,14 @@ gEfiUartDevicePathGuid ## SOMETIMES_CONSUMES ## GUID gEfiSasDevicePathGuid + ## SOMETIMES_CONSUMES ## GUID + gEfiVirtualDiskGuid + ## SOMETIMES_CONSUMES ## GUID + gEfiVirtualCdGuid + ## SOMETIMES_CONSUMES ## GUID + gEfiPersistentVirtualDiskGuid + ## SOMETIMES_CONSUMES ## GUID + gEfiPersistentVirtualCdGuid [Protocols] gEfiDevicePathProtocolGuid ## SOMETIMES_CONSUMES -- cgit v1.2.3