mirror of https://github.com/acidanthera/audk.git
523 lines
13 KiB
C
523 lines
13 KiB
C
/*++
|
|
|
|
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:
|
|
|
|
RuntimeService.c
|
|
|
|
--*/
|
|
|
|
#include <RuntimeLibInternal.h>
|
|
|
|
VOID
|
|
EFIAPI
|
|
EfiResetSystem (
|
|
IN EFI_RESET_TYPE ResetType,
|
|
IN EFI_STATUS ResetStatus,
|
|
IN UINTN DataSize,
|
|
IN CHAR16 *ResetData
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Resets the entire platform.
|
|
|
|
Arguments:
|
|
|
|
ResetType - The type of reset to perform.
|
|
ResetStatus - The status code for the reset.
|
|
DataSize - The size, in bytes, of ResetData.
|
|
ResetData - A data buffer that includes a Null-terminated Unicode string, optionally
|
|
followed by additional binary data.
|
|
|
|
Returns:
|
|
|
|
None
|
|
|
|
--*/
|
|
{
|
|
EFI_GUID Guid = EFI_EXTENDED_SAL_RESET_SERVICES_PROTOCOL_GUID;
|
|
|
|
EfiCallEsalService (
|
|
&Guid,
|
|
ResetSystem,
|
|
(UINT64) ResetType,
|
|
(UINT64) ResetStatus,
|
|
(UINT64) DataSize,
|
|
(UINT64) ResetData,
|
|
0,
|
|
0,
|
|
0
|
|
);
|
|
}
|
|
|
|
|
|
//
|
|
// The following functions hide the mRT local global from the call to
|
|
// runtime service in the EFI system table.
|
|
//
|
|
EFI_STATUS
|
|
EFIAPI
|
|
EfiGetTime (
|
|
OUT EFI_TIME *Time,
|
|
OUT EFI_TIME_CAPABILITIES *Capabilities
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Returns the current time and date information, and the time-keeping
|
|
capabilities of the hardware platform.
|
|
|
|
Arguments:
|
|
|
|
Time - A pointer to storage to receive a snapshot of the current time.
|
|
Capabilities - An optional pointer to a buffer to receive the real time clock device's
|
|
capabilities.
|
|
|
|
Returns:
|
|
|
|
Status code
|
|
|
|
--*/
|
|
{
|
|
SAL_RETURN_REGS ReturnReg;
|
|
EFI_GUID Guid = EFI_EXTENDED_SAL_RTC_SERVICES_PROTOCOL_GUID;
|
|
|
|
ReturnReg = EfiCallEsalService (&Guid, GetTime, (UINT64) Time, (UINT64) Capabilities, 0, 0, 0, 0, 0);
|
|
return ReturnReg.Status;
|
|
}
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
EfiSetTime (
|
|
IN EFI_TIME *Time
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Sets the current local time and date information.
|
|
|
|
Arguments:
|
|
|
|
Time - A pointer to the current time.
|
|
|
|
Returns:
|
|
|
|
Status code
|
|
|
|
--*/
|
|
{
|
|
SAL_RETURN_REGS ReturnReg;
|
|
EFI_GUID Guid = EFI_EXTENDED_SAL_RTC_SERVICES_PROTOCOL_GUID;
|
|
|
|
ReturnReg = EfiCallEsalService (&Guid, SetTime, (UINT64) Time, 0, 0, 0, 0, 0, 0);
|
|
return ReturnReg.Status;
|
|
}
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
EfiGetWakeupTime (
|
|
OUT BOOLEAN *Enabled,
|
|
OUT BOOLEAN *Pending,
|
|
OUT EFI_TIME *Time
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Returns the current wakeup alarm clock setting.
|
|
|
|
Arguments:
|
|
|
|
Enabled - Indicates if the alarm is currently enabled or disabled.
|
|
Pending - Indicates if the alarm signal is pending and requires acknowledgement.
|
|
Time - The current alarm setting.
|
|
|
|
Returns:
|
|
|
|
Status code
|
|
|
|
--*/
|
|
{
|
|
SAL_RETURN_REGS ReturnReg;
|
|
EFI_GUID Guid = EFI_EXTENDED_SAL_RTC_SERVICES_PROTOCOL_GUID;
|
|
|
|
ReturnReg = EfiCallEsalService (&Guid, GetWakeupTime, (UINT64) Enabled, (UINT64) Pending, (UINT64) Time, 0, 0, 0, 0);
|
|
return ReturnReg.Status;
|
|
}
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
EfiSetWakeupTime (
|
|
IN BOOLEAN Enable,
|
|
IN EFI_TIME *Time
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Sets the system wakeup alarm clock time.
|
|
|
|
Arguments:
|
|
|
|
Enable - Enable or disable the wakeup alarm.
|
|
Time - If Enable is TRUE, the time to set the wakeup alarm for.
|
|
If Enable is FALSE, then this parameter is optional, and may be NULL.
|
|
|
|
Returns:
|
|
|
|
Status code
|
|
|
|
--*/
|
|
{
|
|
SAL_RETURN_REGS ReturnReg;
|
|
EFI_GUID Guid = EFI_EXTENDED_SAL_RTC_SERVICES_PROTOCOL_GUID;
|
|
|
|
ReturnReg = EfiCallEsalService (&Guid, SetWakeupTime, (UINT64) Enable, (UINT64) Time, 0, 0, 0, 0, 0);
|
|
return ReturnReg.Status;
|
|
}
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
EfiGetVariable (
|
|
IN CHAR16 *VariableName,
|
|
IN EFI_GUID * VendorGuid,
|
|
OUT UINT32 *Attributes OPTIONAL,
|
|
IN OUT UINTN *DataSize,
|
|
OUT VOID *Data
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Returns the value of a variable.
|
|
|
|
Arguments:
|
|
|
|
VariableName - A Null-terminated Unicode string that is the name of the
|
|
vendor's variable.
|
|
VendorGuid - A unique identifier for the vendor.
|
|
Attributes - If not NULL, a pointer to the memory location to return the
|
|
attributes bitmask for the variable.
|
|
DataSize - On input, the size in bytes of the return Data buffer.
|
|
On output the size of data returned in Data.
|
|
Data - The buffer to return the contents of the variable.
|
|
|
|
Returns:
|
|
|
|
Status code
|
|
|
|
--*/
|
|
{
|
|
SAL_RETURN_REGS ReturnReg;
|
|
EFI_GUID Guid = EFI_EXTENDED_SAL_VARIABLE_SERVICES_PROTOCOL_GUID;
|
|
|
|
ReturnReg = EfiCallEsalService (
|
|
&Guid,
|
|
EsalGetVariable,
|
|
(UINT64) VariableName,
|
|
(UINT64) VendorGuid,
|
|
(UINT64) Attributes,
|
|
(UINT64) DataSize,
|
|
(UINT64) Data,
|
|
0,
|
|
0
|
|
);
|
|
return (EFI_STATUS) ReturnReg.Status;
|
|
}
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
EfiGetNextVariableName (
|
|
IN OUT UINTN *VariableNameSize,
|
|
IN OUT CHAR16 *VariableName,
|
|
IN OUT EFI_GUID *VendorGuid
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Enumerates the current variable names.
|
|
|
|
Arguments:
|
|
|
|
VariableNameSize - The size of the VariableName buffer.
|
|
VariableName - On input, supplies the last VariableName that was returned
|
|
by GetNextVariableName().
|
|
On output, returns the Nullterminated Unicode string of the
|
|
current variable.
|
|
VendorGuid - On input, supplies the last VendorGuid that was returned by
|
|
GetNextVariableName().
|
|
On output, returns the VendorGuid of the current variable.
|
|
|
|
Returns:
|
|
|
|
Status code
|
|
|
|
--*/
|
|
{
|
|
SAL_RETURN_REGS ReturnReg;
|
|
EFI_GUID Guid = EFI_EXTENDED_SAL_VARIABLE_SERVICES_PROTOCOL_GUID;
|
|
|
|
ReturnReg = EfiCallEsalService (
|
|
&Guid,
|
|
EsalGetNextVariableName,
|
|
(UINT64) VariableNameSize,
|
|
(UINT64) VariableName,
|
|
(UINT64) VendorGuid,
|
|
0,
|
|
0,
|
|
0,
|
|
0
|
|
);
|
|
return (EFI_STATUS) ReturnReg.Status;
|
|
}
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
EfiSetVariable (
|
|
IN CHAR16 *VariableName,
|
|
IN EFI_GUID *VendorGuid,
|
|
IN UINT32 Attributes,
|
|
IN UINTN DataSize,
|
|
IN VOID *Data
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Sets the value of a variable.
|
|
|
|
Arguments:
|
|
|
|
VariableName - A Null-terminated Unicode string that is the name of the
|
|
vendor's variable.
|
|
VendorGuid - A unique identifier for the vendor.
|
|
Attributes - Attributes bitmask to set for the variable.
|
|
DataSize - The size in bytes of the Data buffer.
|
|
Data - The contents for the variable.
|
|
|
|
Returns:
|
|
|
|
Status code
|
|
|
|
--*/
|
|
{
|
|
SAL_RETURN_REGS ReturnReg;
|
|
EFI_GUID Guid = EFI_EXTENDED_SAL_VARIABLE_SERVICES_PROTOCOL_GUID;
|
|
|
|
ReturnReg = EfiCallEsalService (
|
|
&Guid,
|
|
EsalSetVariable,
|
|
(UINT64) VariableName,
|
|
(UINT64) VendorGuid,
|
|
(UINT64) Attributes,
|
|
(UINT64) DataSize,
|
|
(UINT64) Data,
|
|
0,
|
|
0
|
|
);
|
|
return (EFI_STATUS) ReturnReg.Status;
|
|
}
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
EfiGetNextHighMonotonicCount (
|
|
OUT UINT32 *HighCount
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Returns the next high 32 bits of the platform's monotonic counter.
|
|
|
|
Arguments:
|
|
|
|
HighCount - Pointer to returned value.
|
|
|
|
Returns:
|
|
|
|
Status code
|
|
|
|
--*/
|
|
{
|
|
SAL_RETURN_REGS ReturnReg;
|
|
EFI_GUID Guid = EFI_EXTENDED_SAL_MTC_SERVICES_PROTOCOL_GUID;
|
|
|
|
ReturnReg = EfiCallEsalService (&Guid, GetNextHighMonotonicCount, (UINT64) HighCount, 0, 0, 0, 0, 0, 0);
|
|
return (EFI_STATUS) ReturnReg.Status;
|
|
}
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
EfiConvertPointer (
|
|
IN UINTN DebugDisposition,
|
|
IN OUT VOID **Address
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Determines the new virtual address that is to be used on subsequent memory accesses.
|
|
|
|
Arguments:
|
|
|
|
DebugDisposition - Supplies type information for the pointer being converted.
|
|
Address - A pointer to a pointer that is to be fixed to be the value needed
|
|
for the new virtual address mappings being applied.
|
|
|
|
Returns:
|
|
|
|
Status code
|
|
|
|
--*/
|
|
{
|
|
return mRT->ConvertPointer (DebugDisposition, Address);
|
|
}
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
EfiConvertList (
|
|
IN UINTN DebugDisposition,
|
|
IN OUT LIST_ENTRY *ListHead
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Conver the standard Lib double linked list to a virtual mapping.
|
|
|
|
Arguments:
|
|
|
|
DebugDisposition - Argument to EfiConvertPointer (EFI 1.0 API)
|
|
|
|
ListHead - Head of linked list to convert
|
|
|
|
Returns:
|
|
|
|
EFI_SUCCESS
|
|
|
|
--*/
|
|
{
|
|
LIST_ENTRY *Link;
|
|
LIST_ENTRY *NextLink;
|
|
|
|
//
|
|
// Convert all the ForwardLink & BackLink pointers in the list
|
|
//
|
|
Link = ListHead;
|
|
do {
|
|
NextLink = Link->ForwardLink;
|
|
|
|
EfiConvertPointer (
|
|
Link->ForwardLink == ListHead ? DebugDisposition : 0,
|
|
(VOID **) &Link->ForwardLink
|
|
);
|
|
|
|
EfiConvertPointer (
|
|
Link->BackLink == ListHead ? DebugDisposition : 0,
|
|
(VOID **) &Link->BackLink
|
|
);
|
|
|
|
Link = NextLink;
|
|
} while (Link != ListHead);
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
|
|
/**
|
|
Change the runtime addressing mode of EFI firmware from physical to virtual.
|
|
|
|
@param MemoryMapSize The size in bytes of VirtualMap.
|
|
@param DescriptorSize The size in bytes of an entry in the VirtualMap.
|
|
@param DescriptorVersion The version of the structure entries in VirtualMap.
|
|
@param VirtualMap An array of memory descriptors which contain new virtual
|
|
address mapping information for all runtime ranges. Type
|
|
EFI_MEMORY_DESCRIPTOR is defined in the
|
|
GetMemoryMap() function description.
|
|
|
|
@retval EFI_SUCCESS The virtual address map has been applied.
|
|
@retval EFI_UNSUPPORTED EFI firmware is not at runtime, or the EFI firmware is already in
|
|
virtual address mapped mode.
|
|
@retval EFI_INVALID_PARAMETER DescriptorSize or DescriptorVersion is
|
|
invalid.
|
|
@retval EFI_NO_MAPPING A virtual address was not supplied for a range in the memory
|
|
map that requires a mapping.
|
|
@retval EFI_NOT_FOUND A virtual address was supplied for an address that is not found
|
|
in the memory map.
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
EfiSetVirtualAddressMap (
|
|
IN UINTN MemoryMapSize,
|
|
IN UINTN DescriptorSize,
|
|
IN UINT32 DescriptorVersion,
|
|
IN CONST EFI_MEMORY_DESCRIPTOR *VirtualMap
|
|
)
|
|
{
|
|
SAL_RETURN_REGS ReturnReg;
|
|
EFI_GUID Guid = EFI_EXTENDED_SAL_VIRTUAL_SERVICES_PROTOCOL_GUID;
|
|
|
|
ReturnReg = EfiCallEsalService (
|
|
&Guid,
|
|
SetVirtualAddress,
|
|
(UINT64) MemoryMapSize,
|
|
(UINT64) DescriptorSize,
|
|
(UINT64) DescriptorVersion,
|
|
(UINT64) VirtualMap,
|
|
0,
|
|
0,
|
|
0
|
|
);
|
|
|
|
return ReturnReg.Status;
|
|
}
|
|
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
EfiUpdateCapsule (
|
|
IN UEFI_CAPSULE_HEADER **CapsuleHeaderArray,
|
|
IN UINTN CapsuleCount,
|
|
IN EFI_PHYSICAL_ADDRESS ScatterGatherList OPTIONAL
|
|
)
|
|
{
|
|
return EFI_UNSUPPORTED;
|
|
}
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
EfiQueryCapsuleCapabilities (
|
|
IN UEFI_CAPSULE_HEADER **CapsuleHeaderArray,
|
|
IN UINTN CapsuleCount,
|
|
OUT UINT64 *MaximumCapsuleSize,
|
|
OUT EFI_RESET_TYPE *ResetType
|
|
)
|
|
{
|
|
return EFI_UNSUPPORTED;
|
|
}
|
|
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
EfiQueryVariableInfo (
|
|
IN UINT32 Attributes,
|
|
OUT UINT64 *MaximumVariableStorageSize,
|
|
OUT UINT64 *RemainingVariableStorageSize,
|
|
OUT UINT64 *MaximumVariableSize
|
|
)
|
|
{
|
|
return EFI_UNSUPPORTED;
|
|
}
|