diff options
Diffstat (limited to 'EdkModulePkg/Library/EdkDxeRuntimeDriverLib/Common/RuntimeService.c')
| -rw-r--r-- | EdkModulePkg/Library/EdkDxeRuntimeDriverLib/Common/RuntimeService.c | 480 |
1 files changed, 480 insertions, 0 deletions
diff --git a/EdkModulePkg/Library/EdkDxeRuntimeDriverLib/Common/RuntimeService.c b/EdkModulePkg/Library/EdkDxeRuntimeDriverLib/Common/RuntimeService.c new file mode 100644 index 0000000000..971dcdbf89 --- /dev/null +++ b/EdkModulePkg/Library/EdkDxeRuntimeDriverLib/Common/RuntimeService.c @@ -0,0 +1,480 @@ +/*++
+
+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
+
+Abstract:
+
+ Light weight lib to support Tiano drivers.
+
+--*/
+
+#include <RuntimeLibInternal.h>
+
+VOID
+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
+
+--*/
+{
+ mRT->ResetSystem (ResetType, ResetStatus, DataSize, ResetData);
+}
+
+//
+// The following functions hide the mRT local global from the call to
+// runtime service in the EFI system table.
+//
+EFI_STATUS
+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
+
+--*/
+{
+ return mRT->GetTime (Time, Capabilities);
+}
+
+EFI_STATUS
+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
+
+--*/
+{
+ return mRT->SetTime (Time);
+}
+
+EFI_STATUS
+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
+
+--*/
+{
+ return mRT->GetWakeupTime (Enabled, Pending, Time);
+}
+
+EFI_STATUS
+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
+
+--*/
+{
+ return mRT->SetWakeupTime (Enable, Time);
+}
+
+
+
+
+EFI_STATUS
+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
+
+--*/
+{
+ return mRT->GetVariable (VariableName, VendorGuid, Attributes, DataSize, Data);
+}
+
+EFI_STATUS
+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
+
+--*/
+{
+ return mRT->GetNextVariableName (VariableNameSize, VariableName, VendorGuid);
+}
+
+EFI_STATUS
+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
+
+--*/
+{
+ return mRT->SetVariable (VariableName, VendorGuid, Attributes, DataSize, Data);
+}
+
+EFI_STATUS
+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
+
+--*/
+{
+ return mRT->GetNextHighMonotonicCount (HighCount);
+}
+
+EFI_STATUS
+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
+EfiConvertInternalPointer (
+ IN OUT VOID *Address
+ )
+/*++
+
+Routine Description:
+
+ Call EfiConvertPointer() to convert internal pointer.
+
+Arguments:
+
+ 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 EfiConvertPointer (0x0, Address);
+}
+
+EFI_STATUS
+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
+ )
+{
+ return mRT->SetVirtualAddressMap (
+ MemoryMapSize,
+ DescriptorSize,
+ DescriptorVersion,
+ (EFI_MEMORY_DESCRIPTOR *) VirtualMap
+ );
+}
+
+
+EFI_STATUS
+EfiUpdateCapsule (
+ IN UEFI_CAPSULE_HEADER **CapsuleHeaderArray,
+ IN UINTN CapsuleCount,
+ IN EFI_PHYSICAL_ADDRESS ScatterGatherList OPTIONAL
+ )
+{
+#if (EFI_SPECIFICATION_VERSION >= 0x00020000)
+ return mRT->UpdateCapsule (
+ CapsuleHeaderArray,
+ CapsuleCount,
+ ScatterGatherList
+ );
+#else
+ return EFI_UNSUPPORTED;
+#endif
+}
+
+EFI_STATUS
+EfiQueryCapsuleCapabilities (
+ IN UEFI_CAPSULE_HEADER **CapsuleHeaderArray,
+ IN UINTN CapsuleCount,
+ OUT UINT64 *MaximumCapsuleSize,
+ OUT EFI_RESET_TYPE *ResetType
+ )
+{
+#if (EFI_SPECIFICATION_VERSION >= 0x00020000)
+ return mRT->QueryCapsuleCapabilities (
+ CapsuleHeaderArray,
+ CapsuleCount,
+ MaximumCapsuleSize,
+ ResetType
+ );
+#else
+ return EFI_UNSUPPORTED;
+#endif
+}
+
+
+EFI_STATUS
+EfiQueryVariableInfo (
+ IN UINT32 Attributes,
+ OUT UINT64 *MaximumVariableStorageSize,
+ OUT UINT64 *RemainingVariableStorageSize,
+ OUT UINT64 *MaximumVariableSize
+ )
+{
+#if (EFI_SPECIFICATION_VERSION >= 0x00020000)
+ return mRT->QueryVariableInfo (
+ Attributes,
+ MaximumVariableStorageSize,
+ RemainingVariableStorageSize,
+ MaximumVariableSize
+ );
+#else
+ return EFI_UNSUPPORTED;
+#endif
+}
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