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audk/MdeModulePkg/Universal/Acpi/S3SaveStateDxe/S3SaveState.c

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/** @file
Implementation for S3 Boot Script Saver state driver.
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
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.
**/
#include "InternalS3SaveState.h"
EFI_HANDLE mHandle = NULL;
EFI_S3_SAVE_STATE_PROTOCOL mS3SaveState = {
BootScriptWrite,
BootScriptInsert,
BootScriptLabel,
BootScriptCompare
};
/**
Internal function to add IO write opcode to the table.
@param Marker The variable argument list to get the opcode
and associated attributes.
@retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.
@retval EFI_SUCCESS Opcode is added.
**/
EFI_STATUS
BootScriptWriteIoWrite (
IN VA_LIST Marker
)
{
S3_BOOT_SCRIPT_LIB_WIDTH Width;
UINT64 Address;
UINTN Count;
UINT8 *Buffer;
Width = VA_ARG (Marker, S3_BOOT_SCRIPT_LIB_WIDTH);
Address = VA_ARG (Marker, UINT64);
Count = VA_ARG (Marker, UINTN);
Buffer = VA_ARG (Marker, UINT8 *);
return S3BootScriptSaveIoWrite (Width, Address, Count, Buffer);
}
/**
Internal function to add IO read/write opcode to the table.
@param Marker The variable argument list to get the opcode
and associated attributes.
@retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.
@retval EFI_SUCCESS Opcode is added.
**/
EFI_STATUS
BootScriptWriteIoReadWrite (
IN VA_LIST Marker
)
{
S3_BOOT_SCRIPT_LIB_WIDTH Width;
UINT64 Address;
UINT8 *Data;
UINT8 *DataMask;
Width = VA_ARG (Marker, S3_BOOT_SCRIPT_LIB_WIDTH);
Address = VA_ARG (Marker, UINT64);
Data = VA_ARG (Marker, UINT8 *);
DataMask = VA_ARG (Marker, UINT8 *);
return S3BootScriptSaveIoReadWrite (Width, Address, Data, DataMask);
}
/**
Internal function to add memory write opcode to the table.
@param Marker The variable argument list to get the opcode
and associated attributes.
@retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.
@retval EFI_SUCCESS Opcode is added.
**/
EFI_STATUS
BootScriptWriteMemWrite (
IN VA_LIST Marker
)
{
S3_BOOT_SCRIPT_LIB_WIDTH Width;
UINT64 Address;
UINTN Count;
UINT8 *Buffer;
Width = VA_ARG (Marker, S3_BOOT_SCRIPT_LIB_WIDTH);
Address = VA_ARG (Marker, UINT64);
Count = VA_ARG (Marker, UINTN);
Buffer = VA_ARG (Marker, UINT8 *);
return S3BootScriptSaveMemWrite (Width, Address, Count, Buffer);
}
/**
Internal function to add memory read/write opcode to the table.
@param Marker The variable argument list to get the opcode
and associated attributes.
@retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.
@retval EFI_SUCCESS Opcode is added.
**/
EFI_STATUS
BootScriptWriteMemReadWrite (
IN VA_LIST Marker
)
{
S3_BOOT_SCRIPT_LIB_WIDTH Width;
UINT64 Address;
UINT8 *Data;
UINT8 *DataMask;
Width = VA_ARG (Marker, S3_BOOT_SCRIPT_LIB_WIDTH);
Address = VA_ARG (Marker, UINT64);
Data = VA_ARG (Marker, UINT8 *);
DataMask = VA_ARG (Marker, UINT8 *);
return S3BootScriptSaveMemReadWrite (Width, Address, Data, DataMask);
}
/**
Internal function to add PciCfg write opcode to the table.
@param Marker The variable argument list to get the opcode
and associated attributes.
@retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.
@retval EFI_SUCCESS Opcode is added.
**/
EFI_STATUS
BootScriptWritePciCfgWrite (
IN VA_LIST Marker
)
{
S3_BOOT_SCRIPT_LIB_WIDTH Width;
UINT64 Address;
UINTN Count;
UINT8 *Buffer;
Width = VA_ARG (Marker, S3_BOOT_SCRIPT_LIB_WIDTH);
Address = VA_ARG (Marker, UINT64);
Count = VA_ARG (Marker, UINTN);
Buffer = VA_ARG (Marker, UINT8 *);
return S3BootScriptSavePciCfgWrite (Width, Address, Count, Buffer);
}
/**
Internal function to PciCfg read/write opcode to the table.
@param Marker The variable argument list to get the opcode
and associated attributes.
@retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.
@retval EFI_SUCCESS Opcode is added.
**/
EFI_STATUS
BootScriptWritePciCfgReadWrite (
IN VA_LIST Marker
)
{
S3_BOOT_SCRIPT_LIB_WIDTH Width;
UINT64 Address;
UINT8 *Data;
UINT8 *DataMask;
Width = VA_ARG (Marker, S3_BOOT_SCRIPT_LIB_WIDTH);
Address = VA_ARG (Marker, UINT64);
Data = VA_ARG (Marker, UINT8 *);
DataMask = VA_ARG (Marker, UINT8 *);
return S3BootScriptSavePciCfgReadWrite (Width, Address, Data, DataMask);
}
/**
Internal function to add PciCfg2 write opcode to the table.
@param Marker The variable argument list to get the opcode
and associated attributes.
@retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.
@retval EFI_SUCCESS Opcode is added.
**/
EFI_STATUS
BootScriptWritePciCfg2Write (
IN VA_LIST Marker
)
{
S3_BOOT_SCRIPT_LIB_WIDTH Width;
UINT64 Address;
UINTN Count;
UINT8 *Buffer;
UINT16 Segment;
Width = VA_ARG (Marker, S3_BOOT_SCRIPT_LIB_WIDTH);
Segment = VA_ARG (Marker, UINT16);
Address = VA_ARG (Marker, UINT64);
Count = VA_ARG (Marker, UINTN);
Buffer = VA_ARG (Marker, UINT8 *);
return S3BootScriptSavePciCfg2Write (Width, Segment, Address, Count, Buffer);
}
/**
Internal function to PciCfg2 read/write opcode to the table.
@param Marker The variable argument list to get the opcode
and associated attributes.
@retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.
@retval EFI_SUCCESS Opcode is added.
**/
EFI_STATUS
BootScriptWritePciCfg2ReadWrite (
IN VA_LIST Marker
)
{
S3_BOOT_SCRIPT_LIB_WIDTH Width;
UINT16 Segment;
UINT64 Address;
UINT8 *Data;
UINT8 *DataMask;
Width = VA_ARG (Marker, S3_BOOT_SCRIPT_LIB_WIDTH);
Segment = VA_ARG (Marker, UINT16);
Address = VA_ARG (Marker, UINT64);
Data = VA_ARG (Marker, UINT8 *);
DataMask = VA_ARG (Marker, UINT8 *);
return S3BootScriptSavePciCfg2ReadWrite (Width, Segment, Address, Data, DataMask);
}
/**
Internal function to add smbus execute opcode to the table.
@param Marker The variable argument list to get the opcode
and associated attributes.
@retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.
@retval EFI_SUCCESS Opcode is added.
**/
EFI_STATUS
BootScriptWriteSmbusExecute (
IN VA_LIST Marker
)
{
EFI_SMBUS_DEVICE_ADDRESS SlaveAddress;
EFI_SMBUS_DEVICE_COMMAND Command;
EFI_SMBUS_OPERATION Operation;
BOOLEAN PecCheck;
VOID *Buffer;
UINTN *DataSize;
UINTN SmBusAddress;
SlaveAddress.SmbusDeviceAddress = VA_ARG (Marker, UINTN);
Command = VA_ARG (Marker, EFI_SMBUS_DEVICE_COMMAND);
Operation = VA_ARG (Marker, EFI_SMBUS_OPERATION);
PecCheck = VA_ARG (Marker, BOOLEAN);
SmBusAddress = SMBUS_LIB_ADDRESS (SlaveAddress.SmbusDeviceAddress,Command,0,PecCheck);
DataSize = VA_ARG (Marker, UINTN *);
Buffer = VA_ARG (Marker, VOID *);
return S3BootScriptSaveSmbusExecute (SmBusAddress, Operation, DataSize, Buffer);
}
/**
Internal function to add stall opcode to the table.
@param Marker The variable argument list to get the opcode
and associated attributes.
@retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.
@retval EFI_SUCCESS Opcode is added.
**/
EFI_STATUS
BootScriptWriteStall (
IN VA_LIST Marker
)
{
UINT32 Duration;
Duration = VA_ARG (Marker, UINT32);
return S3BootScriptSaveStall (Duration);
}
/**
Internal function to add Save jmp address according to DISPATCH_OPCODE.
We ignore "Context" parameter
@param Marker The variable argument list to get the opcode
and associated attributes.
@retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.
@retval EFI_SUCCESS Opcode is added.
**/
EFI_STATUS
BootScriptWriteDispatch (
IN VA_LIST Marker
)
{
VOID *EntryPoint;
EntryPoint = (VOID*)(UINTN)VA_ARG (Marker, EFI_PHYSICAL_ADDRESS);
return S3BootScriptSaveDispatch (EntryPoint);
}
/**
Internal function to add memory pool operation to the table.
@param Marker The variable argument list to get the opcode
and associated attributes.
@retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.
@retval EFI_SUCCESS Opcode is added.
**/
EFI_STATUS
BootScriptWriteMemPoll (
IN VA_LIST Marker
)
{
S3_BOOT_SCRIPT_LIB_WIDTH Width;
UINT64 Address;
VOID *Data;
VOID *DataMask;
UINT64 Delay;
UINT64 LoopTimes;
UINT32 Remainder;
Width = VA_ARG (Marker, S3_BOOT_SCRIPT_LIB_WIDTH);
Address = VA_ARG (Marker, UINT64);
Data = VA_ARG (Marker, VOID *);
DataMask = VA_ARG (Marker, VOID *);
Delay = VA_ARG (Marker, UINT64);
//
// According to the spec, the interval between 2 polls is 100ns,
// but the unit of Duration for S3BootScriptSaveMemPoll() is microsecond(1000ns).
// Duration * 1000ns * LoopTimes = Delay * 100ns
// Duration will be minimum 1(microsecond) to be minimum deviation,
// so LoopTimes = Delay / 10.
//
LoopTimes = DivU64x32Remainder (
Delay,
10,
&Remainder
);
if (Remainder != 0) {
//
// If Remainder is not zero, LoopTimes will be rounded up by 1.
//
LoopTimes +=1;
}
return S3BootScriptSaveMemPoll (Width, Address, DataMask, Data, 1, LoopTimes);
}
/**
Internal function to add Save jmp address according to DISPATCH_OPCODE2.
The "Context" parameter is not ignored.
@param Marker The variable argument list to get the opcode
and associated attributes.
@retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.
@retval EFI_SUCCESS Opcode is added.
**/
EFI_STATUS
BootScriptWriteDispatch2 (
IN VA_LIST Marker
)
{
VOID *EntryPoint;
VOID *Context;
EntryPoint = (VOID*)(UINTN)VA_ARG (Marker, EFI_PHYSICAL_ADDRESS);
Context = (VOID*)(UINTN)VA_ARG (Marker, EFI_PHYSICAL_ADDRESS);
return S3BootScriptSaveDispatch2 (EntryPoint, Context);
}
/**
Internal function to add INFORAMTION opcode node to the table
list.
@param Marker The variable argument list to get the opcode
and associated attributes.
@retval EFI_OUT_OF_RESOURCES Not enought resource to complete the operations.
@retval EFI_SUCCESS The opcode entry is added to the table
successfully.
**/
EFI_STATUS
BootScriptWriteInformation (
IN VA_LIST Marker
)
{
UINT32 InformationLength;
EFI_PHYSICAL_ADDRESS Information;
InformationLength = VA_ARG (Marker, UINT32);
Information = VA_ARG (Marker, EFI_PHYSICAL_ADDRESS);
return S3BootScriptSaveInformation (InformationLength, (VOID*)(UINTN)Information);
}
/**
Internal function to add IO poll opcode node to the table
@param Marker The variable argument list to get the opcode
and associated attributes.
@retval EFI_OUT_OF_RESOURCES Not enought resource to complete the operations.
@retval EFI_SUCCESS The opcode entry is added to the table
successfully.
**/
EFI_STATUS
BootScriptWriteIoPoll (
IN VA_LIST Marker
)
{
S3_BOOT_SCRIPT_LIB_WIDTH Width;
UINT64 Address;
VOID *Data;
VOID *DataMask;
UINT64 Delay;
Width = VA_ARG (Marker, S3_BOOT_SCRIPT_LIB_WIDTH);
Address = VA_ARG (Marker, UINT64);
Data = VA_ARG (Marker, VOID *);
DataMask = VA_ARG (Marker, VOID *);
Delay = (UINT64)VA_ARG (Marker, UINT64);
return S3BootScriptSaveIoPoll (Width, Address, Data, DataMask, Delay);
}
/**
Internal function to add PCI config poll opcode node to the table
@param Marker The variable argument list to get the opcode
and associated attributes.
@retval EFI_OUT_OF_RESOURCES Not enought resource to complete the operations.
@retval EFI_SUCCESS The opcode entry is added to the table
successfully.
**/
EFI_STATUS
BootScriptWritePciConfigPoll (
IN VA_LIST Marker
)
{
S3_BOOT_SCRIPT_LIB_WIDTH Width;
UINT64 Address;
VOID *Data;
VOID *DataMask;
UINT64 Delay;
Width = VA_ARG (Marker, S3_BOOT_SCRIPT_LIB_WIDTH);
Address = VA_ARG (Marker, UINT64);
Data = VA_ARG (Marker, VOID *);
DataMask = VA_ARG (Marker, VOID *);
Delay = (UINT64)VA_ARG (Marker, UINT64);
return S3BootScriptSavePciPoll (Width, Address, Data, DataMask, Delay);
}
/**
Internal function to add PCI config 2 poll opcode node to the table
@param Marker The variable argument list to get the opcode
and associated attributes.
@retval EFI_OUT_OF_RESOURCES Not enought resource to complete the operations.
@retval EFI_SUCCESS The opcode entry is added to the table
successfully.
**/
EFI_STATUS
BootScriptWritePciConfig2Poll (
IN VA_LIST Marker
)
{
S3_BOOT_SCRIPT_LIB_WIDTH Width;
UINT16 Segment;
UINT64 Address;
VOID *Data;
VOID *DataMask;
UINT64 Delay;
Width = VA_ARG (Marker, S3_BOOT_SCRIPT_LIB_WIDTH);
Segment = VA_ARG (Marker, UINT16);
Address = VA_ARG (Marker, UINT64);
Data = VA_ARG (Marker, VOID *);
DataMask = VA_ARG (Marker, VOID *);
Delay = (UINT64)VA_ARG (Marker, UINT64);
return S3BootScriptSavePci2Poll (Width, Segment, Address, Data, DataMask, Delay);
}
/**
Adds a record into S3 boot script table.
This function is used to store a boot script record into a given boot
script table. If the table specified by TableName is nonexistent in the
system, a new table will automatically be created and then the script record
will be added into the new table. This function is responsible for allocating
necessary memory for the script.
This function has a variable parameter list. The exact parameter list depends on
the OpCode that is passed into the function. If an unsupported OpCode or illegal
parameter list is passed in, this function returns EFI_INVALID_PARAMETER.
If there are not enough resources available for storing more scripts, this function returns
EFI_OUT_OF_RESOURCES.
@param This A pointer to the EFI_S3_SAVE_STATE_PROTOCOL instance.
@param OpCode The operation code (opcode) number.
@param ... Argument list that is specific to each opcode.
@retval EFI_SUCCESS The operation succeeded. A record was added into the
specified script table.
@retval EFI_INVALID_PARAMETER The parameter is illegal or the given boot script is not supported.
If the opcode is unknow or not supported because of the PCD
Feature Flags.
@retval EFI_OUT_OF_RESOURCES There is insufficient memory to store the boot script.
**/
EFI_STATUS
EFIAPI
BootScriptWrite (
IN CONST EFI_S3_SAVE_STATE_PROTOCOL *This,
IN UINTN OpCode,
...
)
{
EFI_STATUS Status;
VA_LIST Marker;
//
// Build script according to opcode
//
switch (OpCode) {
case EFI_BOOT_SCRIPT_IO_WRITE_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteIoWrite (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_IO_READ_WRITE_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteIoReadWrite (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_MEM_WRITE_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteMemWrite (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_MEM_READ_WRITE_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteMemReadWrite (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_PCI_CONFIG_WRITE_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWritePciCfgWrite (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_PCI_CONFIG_READ_WRITE_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWritePciCfgReadWrite (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_SMBUS_EXECUTE_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteSmbusExecute (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_STALL_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteStall (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_DISPATCH_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteDispatch (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_DISPATCH_2_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteDispatch2 (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_INFORMATION_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteInformation (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_MEM_POLL_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteMemPoll (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_PCI_CONFIG2_WRITE_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWritePciCfg2Write (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_PCI_CONFIG2_READ_WRITE_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWritePciCfg2ReadWrite (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_IO_POLL_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteIoPoll (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_PCI_CONFIG_POLL_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWritePciConfigPoll (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_PCI_CONFIG2_POLL_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWritePciConfig2Poll (Marker);
VA_END (Marker);
break;
default:
Status = EFI_INVALID_PARAMETER;
break;
}
return Status;
}
/**
Insert a record into a specified Framework boot script table.
This function is used to store an OpCode to be replayed as part of the S3 resume boot path. It is
assumed this protocol has platform specific mechanism to store the OpCode set and replay them
during the S3 resume.
The opcode is inserted before or after the specified position in the boot script table. If Position is
NULL then that position is after the last opcode in the table (BeforeOrAfter is FALSE) or before
the first opcode in the table (BeforeOrAfter is TRUE). The position which is pointed to by
Position upon return can be used for subsequent insertions.
@param This A pointer to the EFI_S3_SAVE_STATE_PROTOCOL instance.
@param BeforeOrAfter Specifies whether the opcode is stored before (TRUE) or after (FALSE) the position
in the boot script table specified by Position. If Position is NULL or points to
NULL then the new opcode is inserted at the beginning of the table (if TRUE) or end
of the table (if FALSE).
@param Position On entry, specifies the position in the boot script table where the opcode will be
inserted, either before or after, depending on BeforeOrAfter. On exit, specifies
the position of the inserted opcode in the boot script table.
@param OpCode The operation code (opcode) number.
@param ... Argument list that is specific to each opcode.
@retval EFI_SUCCESS The operation succeeded. A record was added into the
specified script table.
@retval EFI_INVALID_PARAMETER The Opcode is an invalid opcode value or the Position is not a valid position in the boot script table..
@retval EFI_OUT_OF_RESOURCES There is insufficient memory to store the boot script.
**/
EFI_STATUS
EFIAPI
BootScriptInsert (
IN CONST EFI_S3_SAVE_STATE_PROTOCOL *This,
IN BOOLEAN BeforeOrAfter,
IN OUT EFI_S3_BOOT_SCRIPT_POSITION *Position OPTIONAL,
IN UINTN OpCode,
...
)
{
EFI_STATUS Status;
VA_LIST Marker;
//
// Build script according to opcode
//
switch (OpCode) {
case EFI_BOOT_SCRIPT_IO_WRITE_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteIoWrite (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_IO_READ_WRITE_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteIoReadWrite (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_MEM_WRITE_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteMemWrite (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_MEM_READ_WRITE_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteMemReadWrite (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_PCI_CONFIG_WRITE_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWritePciCfgWrite (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_PCI_CONFIG_READ_WRITE_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWritePciCfgReadWrite (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_SMBUS_EXECUTE_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteSmbusExecute (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_STALL_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteStall (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_DISPATCH_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteDispatch (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_DISPATCH_2_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteDispatch2 (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_INFORMATION_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteInformation (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_MEM_POLL_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteMemPoll (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_PCI_CONFIG2_WRITE_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWritePciCfg2Write (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_PCI_CONFIG2_READ_WRITE_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWritePciCfg2ReadWrite (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_IO_POLL_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWriteIoPoll (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_PCI_CONFIG_POLL_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWritePciConfigPoll (Marker);
VA_END (Marker);
break;
case EFI_BOOT_SCRIPT_PCI_CONFIG2_POLL_OPCODE:
VA_START (Marker, OpCode);
Status = BootScriptWritePciConfig2Poll (Marker);
VA_END (Marker);
break;
default:
Status = EFI_INVALID_PARAMETER;
break;
}
if (!EFI_ERROR (Status)) {
Status = S3BootScriptMoveLastOpcode (BeforeOrAfter, Position);
}
return Status;
}
/**
Find a label within the boot script table and, if not present, optionally create it.
If the label Label is already exists in the boot script table, then no new label is created, the
position of the Label is returned in *Position and EFI_SUCCESS is returned.
If the label Label does not already exist and CreateIfNotFound is TRUE, then it will be
created before or after the specified position and EFI_SUCCESS is returned.
If the label Label does not already exist and CreateIfNotFound is FALSE, then
EFI_NOT_FOUND is returned.
@param This A pointer to the EFI_S3_SAVE_STATE_PROTOCOL instance.
@param BeforeOrAfter Specifies whether the label is stored before (TRUE) or after (FALSE) the position in
the boot script table specified by Position. If Position is NULL or points to
NULL then the new label is inserted at the beginning of the table (if TRUE) or end of
the table (if FALSE).
@param CreateIfNotFound Specifies whether the label will be created if the label does not exists (TRUE) or not
(FALSE).
@param Position On entry, specifies the position in the boot script table where the label will be inserted,
either before or after, depending on BeforeOrAfter. On exit, specifies the position
of the inserted label in the boot script table.
@param Label Points to the label which will be inserted in the boot script table.
@retval EFI_SUCCESS The label already exists or was inserted.
@retval EFI_INVALID_PARAMETER The Label is NULL or points to an empty string.
@retval EFI_INVALID_PARAMETER The Position is not a valid position in the boot script table.
**/
EFI_STATUS
EFIAPI
BootScriptLabel (
IN CONST EFI_S3_SAVE_STATE_PROTOCOL *This,
IN BOOLEAN BeforeOrAfter,
IN BOOLEAN CreateIfNotFound,
IN OUT EFI_S3_BOOT_SCRIPT_POSITION *Position OPTIONAL,
IN CONST CHAR8 *Label
)
{
return S3BootScriptLabel (BeforeOrAfter, CreateIfNotFound, Position, Label);
}
/**
Compare two positions in the boot script table and return their relative position.
This function compares two positions in the boot script table and returns their relative positions. If
Position1 is before Position2, then -1 is returned. If Position1 is equal to Position2,
then 0 is returned. If Position1 is after Position2, then 1 is returned.
@param This A pointer to the EFI_S3_SAVE_STATE_PROTOCOL instance.
@param Position1 The positions in the boot script table to compare
@param Position2 The positions in the boot script table to compare
@param RelativePosition On return, points to the result of the comparison
@retval EFI_SUCCESS The operation succeeded.
@retval EFI_INVALID_PARAMETER The Position1 or Position2 is not a valid position in the boot script table.
@retval EFI_INVALID_PARAMETER The RelativePosition is NULL.
**/
EFI_STATUS
EFIAPI
BootScriptCompare (
IN CONST EFI_S3_SAVE_STATE_PROTOCOL *This,
IN EFI_S3_BOOT_SCRIPT_POSITION Position1,
IN EFI_S3_BOOT_SCRIPT_POSITION Position2,
OUT UINTN *RelativePosition
)
{
return S3BootScriptCompare (Position1, Position2, RelativePosition);
}
/**
This routine is entry point of ScriptSave driver.
@param ImageHandle Handle for this drivers loaded image protocol.
@param SystemTable EFI system table.
@retval EFI_OUT_OF_RESOURCES No enough resource
@retval EFI_SUCCESS Succesfully installed the ScriptSave driver.
@retval other Errors occured.
**/
EFI_STATUS
EFIAPI
InitializeS3SaveState (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
EFI_EVENT EndOfDxeEvent;
if (!PcdGetBool (PcdAcpiS3Enable)) {
return EFI_UNSUPPORTED;
}
Status = gBS->CreateEventEx (
EVT_NOTIFY_SIGNAL,
TPL_CALLBACK,
AcpiS3ContextSaveOnEndOfDxe,
NULL,
&gEfiEndOfDxeEventGroupGuid,
&EndOfDxeEvent
);
ASSERT_EFI_ERROR (Status);
return gBS->InstallProtocolInterface (
&mHandle,
&gEfiS3SaveStateProtocolGuid,
EFI_NATIVE_INTERFACE,
&mS3SaveState
);
}
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