diff options
Diffstat (limited to 'EDK/Foundation/Library/Dxe/EfiScriptLib/EfiScriptLib.c')
| -rw-r--r-- | EDK/Foundation/Library/Dxe/EfiScriptLib/EfiScriptLib.c | 712 |
1 files changed, 712 insertions, 0 deletions
diff --git a/EDK/Foundation/Library/Dxe/EfiScriptLib/EfiScriptLib.c b/EDK/Foundation/Library/Dxe/EfiScriptLib/EfiScriptLib.c new file mode 100644 index 0000000..a2f5e28 --- /dev/null +++ b/EDK/Foundation/Library/Dxe/EfiScriptLib/EfiScriptLib.c @@ -0,0 +1,712 @@ +/*++ + +Copyright (c) 2006 - 2007, 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: + + EfiScriptLib.c + +Abstract: + + Support for EFI script. + +--*/ + +#include "EfiScriptLib.h" + +EFI_BOOT_SCRIPT_SAVE_PROTOCOL *mBootScriptSave; + +STATIC +UINTN +EfiScriptLibAsciiStrLen ( + IN CHAR8 *String + ) +/*++ + +Routine Description: + Return the number of Ascii characters in String. This is not the same as + the length of the string in bytes. + +Arguments: + String - String to process + +Returns: + Number of Ascii characters in String + +--*/ +{ + UINTN Length; + + for (Length=0; *String; String++, Length++); + return Length; +} + +STATIC +UINTN +EfiScriptLibStrLen ( + IN CHAR16 *String + ) +/*++ + +Routine Description: + Return the number of Unicode characters in String. This is not the same as + the length of the string in bytes. + +Arguments: + String - String to process + +Returns: + Number of Unicode characters in String + +--*/ +{ + UINTN Length; + + for (Length=0; *String; String++, Length++); + return Length; +} + +EFI_STATUS +EFIAPI +BootScriptSaveInitialize ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ) +/*++ + +Routine Description: + + Intialize Boot Script Lib if it has not yet been initialized. + +Arguments: + + (Standard EFI Image entry - EFI_IMAGE_ENTRY_POINT) + +Returns: + + EFI_STATUS always returns EFI_SUCCESS + +--*/ +// GC_TODO: ImageHandle - add argument and description to function comment +// GC_TODO: SystemTable - add argument and description to function comment +{ + EFI_STATUS Status; + EFI_BOOT_SERVICES *BS; + + BS = SystemTable->BootServices; + + Status = BS->LocateProtocol (&gEfiBootScriptSaveGuid, NULL, &mBootScriptSave); + if (EFI_ERROR (Status) && Status != EFI_ALREADY_STARTED) { + mBootScriptSave = NULL; + } + + return EFI_SUCCESS; +} + +EFI_STATUS +EFIAPI +BootScriptSaveIoWrite ( + IN UINT16 TableName, + IN EFI_BOOT_SCRIPT_WIDTH Width, + IN UINT64 Address, + IN UINTN Count, + IN VOID *Buffer + ) +/*++ + +Routine Description: + + Save I/O write to boot script + +Arguments: + + TableName - Desired boot script table + + (Standard EFI IO write script parameter) + +Returns: + + EFI_NOT_FOUND - BootScriptSave Protocol not exist. + + EFI_STATUS - BootScriptSave Protocol exist, always returns EFI_SUCCESS + +--*/ +// GC_TODO: Width - add argument and description to function comment +// GC_TODO: Address - add argument and description to function comment +// GC_TODO: Count - add argument and description to function comment +// GC_TODO: Buffer - add argument and description to function comment +{ + if (mBootScriptSave == NULL) { + return EFI_NOT_FOUND; + } + + mBootScriptSave->Write ( + mBootScriptSave, + TableName, + EFI_BOOT_SCRIPT_IO_WRITE_OPCODE, + Width, + Address, + Count, + Buffer + ); + + return EFI_SUCCESS; +} + +EFI_STATUS +EFIAPI +BootScriptSaveIoReadWrite ( + IN UINT16 TableName, + IN EFI_BOOT_SCRIPT_WIDTH Width, + IN UINT64 Address, + IN VOID *Data, + IN VOID *DataMask + ) +/*++ + +Routine Description: + + Save I/O write to boot script + +Arguments: + + TableName - Desired boot script table + + (Standard EFI IO read write script parameter) + +Returns: + + EFI_NOT_FOUND - BootScriptSave Protocol not exist. + + EFI_STATUS - BootScriptSave Protocol exist, always returns EFI_SUCCESS + +--*/ +// GC_TODO: Width - add argument and description to function comment +// GC_TODO: Address - add argument and description to function comment +// GC_TODO: Data - add argument and description to function comment +// GC_TODO: DataMask - add argument and description to function comment +{ + if (mBootScriptSave == NULL) { + return EFI_NOT_FOUND; + } + + mBootScriptSave->Write ( + mBootScriptSave, + TableName, + EFI_BOOT_SCRIPT_IO_READ_WRITE_OPCODE, + Width, + Address, + Data, + DataMask + ); + + return EFI_SUCCESS; +} + +EFI_STATUS +EFIAPI +BootScriptSaveMemWrite ( + IN UINT16 TableName, + IN EFI_BOOT_SCRIPT_WIDTH Width, + IN UINT64 Address, + IN UINTN Count, + IN VOID *Buffer + ) +/*++ + +Routine Description: + + Save I/O write to boot script + +Arguments: + + TableName - Desired boot script table + + (Standard EFI MEM write script parameter) + +Returns: + + EFI_NOT_FOUND - BootScriptSave Protocol not exist. + + EFI_STATUS - BootScriptSave Protocol exist, always returns EFI_SUCCESS + +--*/ +// GC_TODO: Width - add argument and description to function comment +// GC_TODO: Address - add argument and description to function comment +// GC_TODO: Count - add argument and description to function comment +// GC_TODO: Buffer - add argument and description to function comment +{ + if (mBootScriptSave == NULL) { + return EFI_NOT_FOUND; + } + + mBootScriptSave->Write ( + mBootScriptSave, + TableName, + EFI_BOOT_SCRIPT_MEM_WRITE_OPCODE, + Width, + Address, + Count, + Buffer + ); + + return EFI_SUCCESS; +} + +EFI_STATUS +EFIAPI +BootScriptSaveMemReadWrite ( + IN UINT16 TableName, + IN EFI_BOOT_SCRIPT_WIDTH Width, + IN UINT64 Address, + IN VOID *Data, + IN VOID *DataMask + ) +/*++ + +Routine Description: + + Save I/O write to boot script + +Arguments: + + TableName - Desired boot script table + + (Standard EFI MEM read write script parameter) + +Returns: + + EFI_NOT_FOUND - BootScriptSave Protocol not exist. + + EFI_STATUS - BootScriptSave Protocol exist, always returns EFI_SUCCESS + +--*/ +// GC_TODO: Width - add argument and description to function comment +// GC_TODO: Address - add argument and description to function comment +// GC_TODO: Data - add argument and description to function comment +// GC_TODO: DataMask - add argument and description to function comment +{ + if (mBootScriptSave == NULL) { + return EFI_NOT_FOUND; + } + + mBootScriptSave->Write ( + mBootScriptSave, + TableName, + EFI_BOOT_SCRIPT_MEM_READ_WRITE_OPCODE, + Width, + Address, + Data, + DataMask + ); + + return EFI_SUCCESS; +} + +EFI_STATUS +EFIAPI +BootScriptSavePciCfgWrite ( + IN UINT16 TableName, + IN EFI_BOOT_SCRIPT_WIDTH Width, + IN UINT64 Address, + IN UINTN Count, + IN VOID *Buffer + ) +/*++ + +Routine Description: + + Save I/O write to boot script + +Arguments: + + TableName - Desired boot script table + + (Standard EFI PCI write script parameter) + +Returns: + + EFI_NOT_FOUND - BootScriptSave Protocol not exist. + + EFI_STATUS - BootScriptSave Protocol exist, always returns EFI_SUCCESS + +--*/ +// GC_TODO: Width - add argument and description to function comment +// GC_TODO: Address - add argument and description to function comment +// GC_TODO: Count - add argument and description to function comment +// GC_TODO: Buffer - add argument and description to function comment +{ + if (mBootScriptSave == NULL) { + return EFI_NOT_FOUND; + } + + mBootScriptSave->Write ( + mBootScriptSave, + TableName, + EFI_BOOT_SCRIPT_PCI_CONFIG_WRITE_OPCODE, + Width, + Address, + Count, + Buffer + ); + + return EFI_SUCCESS; +} + +EFI_STATUS +EFIAPI +BootScriptSavePciCfgReadWrite ( + IN UINT16 TableName, + IN EFI_BOOT_SCRIPT_WIDTH Width, + IN UINT64 Address, + IN VOID *Data, + IN VOID *DataMask + ) +/*++ + +Routine Description: + + Save I/O write to boot script + +Arguments: + + TableName - Desired boot script table + + (Standard EFI PCI read write script parameter) + +Returns: + + EFI_NOT_FOUND - BootScriptSave Protocol not exist. + + EFI_STATUS - BootScriptSave Protocol exist, always returns EFI_SUCCESS + +--*/ +// GC_TODO: Width - add argument and description to function comment +// GC_TODO: Address - add argument and description to function comment +// GC_TODO: Data - add argument and description to function comment +// GC_TODO: DataMask - add argument and description to function comment +{ + if (mBootScriptSave == NULL) { + return EFI_NOT_FOUND; + } + + mBootScriptSave->Write ( + mBootScriptSave, + TableName, + EFI_BOOT_SCRIPT_PCI_CONFIG_READ_WRITE_OPCODE, + Width, + Address, + Data, + DataMask + ); + + return EFI_SUCCESS; +} + +EFI_STATUS +EFIAPI +BootScriptSaveSmbusExecute ( + IN UINT16 TableName, + IN EFI_SMBUS_DEVICE_ADDRESS SlaveAddress, + IN EFI_SMBUS_DEVICE_COMMAND Command, + IN EFI_SMBUS_OPERATION Operation, + IN BOOLEAN PecCheck, + IN UINTN *Length, + IN VOID *Buffer + ) +/*++ + +Routine Description: + + Save I/O write to boot script + +Arguments: + + TableName - Desired boot script table + + (Standard EFI Smbus execute script parameter) + +Returns: + + EFI_NOT_FOUND - BootScriptSave Protocol not exist. + + EFI_STATUS - BootScriptSave Protocol exist, always returns EFI_SUCCESS + +--*/ +// GC_TODO: SlaveAddress - add argument and description to function comment +// GC_TODO: Command - add argument and description to function comment +// GC_TODO: Operation - add argument and description to function comment +// GC_TODO: PecCheck - add argument and description to function comment +// GC_TODO: Length - add argument and description to function comment +// GC_TODO: Buffer - add argument and description to function comment +{ + if (mBootScriptSave == NULL) { + return EFI_NOT_FOUND; + } + + mBootScriptSave->Write ( + mBootScriptSave, + TableName, + EFI_BOOT_SCRIPT_SMBUS_EXECUTE_OPCODE, + SlaveAddress, + Command, + Operation, + PecCheck, + Length, + Buffer + ); + + return EFI_SUCCESS; +} + +EFI_STATUS +EFIAPI +BootScriptSaveStall ( + IN UINT16 TableName, + IN UINTN Duration + ) +/*++ + +Routine Description: + + Save I/O write to boot script + +Arguments: + + TableName - Desired boot script table + + (Standard EFI stall script parameter) + +Returns: + + EFI_NOT_FOUND - BootScriptSave Protocol not exist. + + EFI_STATUS - BootScriptSave Protocol exist, always returns EFI_SUCCESS + +--*/ +// GC_TODO: Duration - add argument and description to function comment +{ + if (mBootScriptSave == NULL) { + return EFI_NOT_FOUND; + } + + mBootScriptSave->Write ( + mBootScriptSave, + TableName, + EFI_BOOT_SCRIPT_STALL_OPCODE, + Duration + ); + + return EFI_SUCCESS; +} + +EFI_STATUS +EFIAPI +BootScriptSaveDispatch ( + IN UINT16 TableName, + IN EFI_PHYSICAL_ADDRESS EntryPoint + ) +/*++ + +Routine Description: + + GC_TODO: Add function description + +Arguments: + + TableName - GC_TODO: add argument description + EntryPoint - GC_TODO: add argument description + +Returns: + + EFI_NOT_FOUND - GC_TODO: Add description for return value + EFI_SUCCESS - GC_TODO: Add description for return value + +--*/ +{ + if (mBootScriptSave == NULL) { + return EFI_NOT_FOUND; + } + + mBootScriptSave->Write ( + mBootScriptSave, + TableName, + EFI_BOOT_SCRIPT_DISPATCH_OPCODE, + EntryPoint + ); + + return EFI_SUCCESS; + +} + +EFI_STATUS +EFIAPI +BootScriptMemPoll ( + IN UINT16 TableName, + IN EFI_BOOT_SCRIPT_WIDTH Width, + IN UINT64 Address, + IN VOID *BitMask, + IN VOID *BitValue, + IN UINTN Duration, + IN UINTN LoopTimes + ) +/*++ + +Routine Description: + + Save I/O write to boot script + +Arguments: + TableName - Desired boot script table + + Width - The width of the memory operations. + + Address - The base address of the memory operations. + + BitMask - A pointer to the bit mask to be AND-ed with the data read from the register. + + BitValue - A pointer to the data value after to be Masked. + + Duration - Duration in microseconds of the stall. + + LoopTimes - The times of the register polling. + +Returns: + + EFI_NOT_FOUND - BootScriptSave Protocol not exist. + + EFI_STATUS - BootScriptSave Protocol exist, always returns EFI_SUCCESS + +--*/ +{ + mBootScriptSave->Write ( + mBootScriptSave, + TableName, + EFI_BOOT_SCRIPT_MEM_POLL_OPCODE, + Width, + Address, + BitMask, + BitValue, + Duration, + LoopTimes + ); + + return EFI_SUCCESS; +} + +EFI_STATUS +EFIAPI +BootScriptSaveInformation ( + IN UINT16 TableName, + IN UINT32 Length, + IN EFI_PHYSICAL_ADDRESS Buffer + ) +/*++ + +Routine Description: + + Save a Information Opcode record in table specified with TableName + +Arguments: + + TableName - Desired boot script table + Length - Length of information in bytes + Buffer - Content of information that will be saved in script table + +Returns: + + EFI_NOT_FOUND - BootScriptSave Protocol not exist. + + EFI_STATUS - BootScriptSave Protocol exist, always returns EFI_SUCCESS + +--*/ +{ + if (mBootScriptSave == NULL) { + return EFI_NOT_FOUND; + } + + mBootScriptSave->Write ( + mBootScriptSave, + TableName, + EFI_BOOT_SCRIPT_INFORMATION_OPCODE, + Length, + Buffer + ); + + return EFI_SUCCESS; + +} + +EFI_STATUS +EFIAPI +BootScriptSaveInformationUnicodeString ( + IN UINT16 TableName, + IN CHAR16 *String + ) +/*++ + +Routine Description: + + Save a Information Opcode record in table specified with TableName, the information + is a unicode string. + +Arguments: + + TableName - Desired boot script table + String - The string that will be saved in script table + +Returns: + + EFI_NOT_FOUND - BootScriptSave Protocol not exist. + + EFI_STATUS - BootScriptSave Protocol exist, always returns EFI_SUCCESS + +--*/ +{ + return BootScriptSaveInformation ( + TableName, + (UINT32) EfiScriptLibStrLen (String) * 2 + 2, + (EFI_PHYSICAL_ADDRESS)String + ); +} + +EFI_STATUS +EFIAPI +BootScriptSaveInformationAsciiString ( + IN UINT16 TableName, + IN CHAR8 *String + ) +/*++ + +Routine Description: + + Save a Information Opcode record in table specified with TableName, the information + is a ascii string. + +Arguments: + + TableName - Desired boot script table + String - The string that will be saved in script table + +Returns: + + EFI_NOT_FOUND - BootScriptSave Protocol not exist. + + EFI_STATUS - BootScriptSave Protocol exist, always returns EFI_SUCCESS + +--*/ +{ + return BootScriptSaveInformation ( + TableName, + (UINT32) EfiScriptLibAsciiStrLen (String) + 1, + (EFI_PHYSICAL_ADDRESS)String + ); +} + |