3 Copyright (c) 2006 - 2008, Intel Corporation
4 All rights reserved. This program and the accompanying materials
5 are licensed and made available under the terms and conditions of the BSD License
6 which accompanies this distribution. The full text of the license may be found at
7 http://opensource.org/licenses/bsd-license.php
9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
18 This file include all platform action which can be customized
23 #include "BdsPlatform.h"
25 #define IS_PCI_ISA_PDECODE(_p) IS_CLASS3 (_p, PCI_CLASS_BRIDGE, PCI_CLASS_BRIDGE_ISA_PDECODE, 0)
27 CHAR16 mFirmwareVendor
[] = L
"TianoCore.org";
28 extern BOOLEAN gConnectAllHappened
;
29 extern USB_CLASS_FORMAT_DEVICE_PATH gUsbClassKeyboardDevicePath
;
31 // BDS Platform Functions
35 GetSystemTablesFromHob (
41 Find GUID'ed HOBs that contain EFI_PHYSICAL_ADDRESS of ACPI, SMBIOS, MPs tables
51 EFI_PEI_HOB_POINTERS GuidHob
;
52 EFI_PEI_HOB_POINTERS HobStart
;
53 EFI_PHYSICAL_ADDRESS
*Table
;
55 EFI_GUID
*TableGuidArray
[] = {
56 &gEfiAcpi20TableGuid
, &gEfiAcpiTableGuid
, &gEfiSmbiosTableGuid
, &gEfiMpsTableGuid
62 HobStart
.Raw
= GetHobList ();
64 // Iteratively add ACPI Table, SMBIOS Table, MPS Table to EFI System Table
66 for (Index
= 0; Index
< sizeof (TableGuidArray
) / sizeof (*TableGuidArray
); ++Index
) {
67 GuidHob
.Raw
= GetNextGuidHob (TableGuidArray
[Index
], HobStart
.Raw
);
68 if (GuidHob
.Raw
!= NULL
) {
69 Table
= GET_GUID_HOB_DATA (GuidHob
.Guid
);
72 // Check if Mps Table/Smbios Table/Acpi Table exists in E/F seg,
73 // According to UEFI Spec, we should make sure Smbios table,
74 // ACPI table and Mps tables kept in memory of specified type
76 ConvertSystemTable(TableGuidArray
[Index
], (VOID
**)&Table
);
77 gBS
->InstallConfigurationTable (TableGuidArray
[Index
], (VOID
*)Table
);
85 #define EFI_LDR_MEMORY_DESCRIPTOR_GUID \
86 { 0x7701d7e5, 0x7d1d, 0x4432, {0xa4, 0x68, 0x67, 0x3d, 0xab, 0x8a, 0xde, 0x60 }}
88 EFI_GUID gEfiLdrMemoryDescriptorGuid
= EFI_LDR_MEMORY_DESCRIPTOR_GUID
;
93 EFI_HOB_GUID_TYPE Hob
;
95 EFI_MEMORY_DESCRIPTOR
*MemDesc
;
106 EFI_MEMORY_DESCRIPTOR
*MemMap
;
107 EFI_MEMORY_DESCRIPTOR
*MemMapPtr
;
109 UINTN MapKey
, DescriptorSize
;
111 UINT32 DescriptorVersion
;
117 Status
= gBS
->GetMemoryMap (&MemMapSize
, MemMap
, &MapKey
, &DescriptorSize
, &DescriptorVersion
);
118 ASSERT (Status
== EFI_BUFFER_TOO_SMALL
);
119 MemMapSize
+= EFI_PAGE_SIZE
;
120 Status
= gBS
->AllocatePool (EfiBootServicesData
, MemMapSize
, &MemMap
);
121 ASSERT (Status
== EFI_SUCCESS
);
122 Status
= gBS
->GetMemoryMap (&MemMapSize
, MemMap
, &MapKey
, &DescriptorSize
, &DescriptorVersion
);
123 ASSERT (Status
== EFI_SUCCESS
);
126 ASSERT (DescriptorVersion
== EFI_MEMORY_DESCRIPTOR_VERSION
);
128 for (Index
= 0; Index
< MemMapSize
/ DescriptorSize
; Index
++) {
129 Bytes
= LShiftU64 (MemMap
->NumberOfPages
, 12);
130 DEBUG ((EFI_D_ERROR
, "%lX-%lX %lX %lX %X\n",
131 MemMap
->PhysicalStart
,
132 MemMap
->PhysicalStart
+ Bytes
- 1,
133 MemMap
->NumberOfPages
,
135 (UINTN
)MemMap
->Type
));
136 MemMap
= (EFI_MEMORY_DESCRIPTOR
*)((UINTN
)MemMap
+ DescriptorSize
);
139 gBS
->FreePool (MemMapPtr
);
149 EFI_PEI_HOB_POINTERS GuidHob
;
151 MEMORY_DESC_HOB MemoryDescHob
;
153 EFI_PHYSICAL_ADDRESS Memory
;
158 GuidHob
.Raw
= GetHobList();
160 GuidHob
.Raw
= GetNextGuidHob (&gEfiLdrMemoryDescriptorGuid
, GuidHob
.Raw
);
161 if (GuidHob
.Raw
== NULL
) {
162 DEBUG ((EFI_D_ERROR
, "Fail to get gEfiLdrMemoryDescriptorGuid from GUID HOB LIST!\n"));
165 Table
= GET_GUID_HOB_DATA (GuidHob
.Guid
);
167 DEBUG ((EFI_D_ERROR
, "Fail to get gEfiLdrMemoryDescriptorGuid from GUID HOB LIST!\n"));
170 MemoryDescHob
.MemDescCount
= *(UINTN
*)Table
;
171 MemoryDescHob
.MemDesc
= *(EFI_MEMORY_DESCRIPTOR
**)((UINTN
)Table
+ sizeof(UINTN
));
174 // Add ACPINVS, ACPIReclaim, and Reserved memory to MemoryMap
176 for (Index
= 0; Index
< MemoryDescHob
.MemDescCount
; Index
++) {
177 if (MemoryDescHob
.MemDesc
[Index
].PhysicalStart
< 0x100000) {
180 if (MemoryDescHob
.MemDesc
[Index
].PhysicalStart
>= 0x100000000ULL
) {
183 if ((MemoryDescHob
.MemDesc
[Index
].Type
== EfiReservedMemoryType
) ||
184 (MemoryDescHob
.MemDesc
[Index
].Type
== EfiRuntimeServicesData
) ||
185 (MemoryDescHob
.MemDesc
[Index
].Type
== EfiRuntimeServicesCode
) ||
186 (MemoryDescHob
.MemDesc
[Index
].Type
== EfiACPIReclaimMemory
) ||
187 (MemoryDescHob
.MemDesc
[Index
].Type
== EfiACPIMemoryNVS
)) {
188 DEBUG ((EFI_D_ERROR
, "PhysicalStart - 0x%x, ", MemoryDescHob
.MemDesc
[Index
].PhysicalStart
));
189 DEBUG ((EFI_D_ERROR
, "PageNumber - 0x%x, ", MemoryDescHob
.MemDesc
[Index
].NumberOfPages
));
190 DEBUG ((EFI_D_ERROR
, "Type - 0x%x\n", MemoryDescHob
.MemDesc
[Index
].Type
));
191 if ((MemoryDescHob
.MemDesc
[Index
].Type
== EfiRuntimeServicesData
) ||
192 (MemoryDescHob
.MemDesc
[Index
].Type
== EfiRuntimeServicesCode
)) {
194 // Skip RuntimeSevicesData and RuntimeServicesCode, they are BFV
198 Status
= gDS
->AddMemorySpace (
199 EfiGcdMemoryTypeSystemMemory
,
200 MemoryDescHob
.MemDesc
[Index
].PhysicalStart
,
201 LShiftU64 (MemoryDescHob
.MemDesc
[Index
].NumberOfPages
, EFI_PAGE_SHIFT
),
202 MemoryDescHob
.MemDesc
[Index
].Attribute
204 if (EFI_ERROR (Status
)) {
205 DEBUG ((EFI_D_ERROR
, "AddMemorySpace fail!\n"));
206 if ((MemoryDescHob
.MemDesc
[Index
].Type
== EfiACPIReclaimMemory
) ||
207 (MemoryDescHob
.MemDesc
[Index
].Type
== EfiACPIMemoryNVS
)) {
209 // For EfiACPIReclaimMemory and EfiACPIMemoryNVS, it must success.
210 // For EfiReservedMemoryType, there maybe overlap. So skip check here.
212 // ASSERT_EFI_ERROR (Status);
217 Memory
= MemoryDescHob
.MemDesc
[Index
].PhysicalStart
;
218 Status
= gBS
->AllocatePages (
220 (EFI_MEMORY_TYPE
)MemoryDescHob
.MemDesc
[Index
].Type
,
221 (UINTN
)MemoryDescHob
.MemDesc
[Index
].NumberOfPages
,
224 if (EFI_ERROR (Status
)) {
225 DEBUG ((EFI_D_ERROR
, "AllocatePages fail!\n"));
227 // For the page added, it must be allocated.
229 // ASSERT_EFI_ERROR (Status);
238 DisableUsbLegacySupport(
244 Disabble the USB legacy Support in all Ehci and Uhci.
245 This function assume all PciIo handles have been created in system.
256 EFI_HANDLE
*HandleArray
;
257 UINTN HandleArrayCount
;
259 EFI_PCI_IO_PROTOCOL
*PciIo
;
268 // Find the usb host controller
270 Status
= gBS
->LocateHandleBuffer (
272 &gEfiPciIoProtocolGuid
,
277 if (!EFI_ERROR (Status
)) {
278 for (Index
= 0; Index
< HandleArrayCount
; Index
++) {
279 Status
= gBS
->HandleProtocol (
281 &gEfiPciIoProtocolGuid
,
284 if (!EFI_ERROR (Status
)) {
286 // Find the USB host controller controller
288 Status
= PciIo
->Pci
.Read (PciIo
, EfiPciIoWidthUint8
, 0x09, 3, &Class
);
289 if (!EFI_ERROR (Status
)) {
290 if ((PCI_CLASS_SERIAL
== Class
[2]) &&
291 (PCI_CLASS_SERIAL_USB
== Class
[1])) {
292 if (PCI_CLASSC_PI_UHCI
== Class
[0]) {
294 // Found the UHCI, then disable the legacy support
297 Status
= PciIo
->Pci
.Write (PciIo
, EfiPciIoWidthUint16
, 0xC0, 1, &Command
);
298 } else if (PCI_CLASSC_PI_EHCI
== Class
[0]) {
300 // Found the EHCI, then disable the legacy support
302 Status
= PciIo
->Mem
.Read (
306 (UINT64
) 0x08, //EHC_HCCPARAMS_OFFSET
311 ExtendCap
= (HcCapParams
>> 8) & 0xFF;
313 // Disable the SMI in USBLEGCTLSTS firstly
315 PciIo
->Pci
.Read (PciIo
, EfiPciIoWidthUint32
, ExtendCap
+ 0x4, 1, &Value
);
317 PciIo
->Pci
.Write (PciIo
, EfiPciIoWidthUint32
, ExtendCap
+ 0x4, 1, &Value
);
320 // Get EHCI Ownership from legacy bios
322 PciIo
->Pci
.Read (PciIo
, EfiPciIoWidthUint32
, ExtendCap
, 1, &Value
);
323 Value
|= (0x1 << 24);
324 PciIo
->Pci
.Write (PciIo
, EfiPciIoWidthUint32
, ExtendCap
, 1, &Value
);
330 PciIo
->Pci
.Read (PciIo
, EfiPciIoWidthUint32
, ExtendCap
, 1, &Value
);
332 if ((Value
& 0x01010000) == 0x01000000) {
344 gBS
->FreePool (HandleArray
);
351 IN EFI_BDS_ARCH_PROTOCOL_INSTANCE
*PrivateData
357 Platform Bds init. Incude the platform firmware vendor, revision
362 PrivateData - The EFI_BDS_ARCH_PROTOCOL_INSTANCE instance
371 // set firmwarevendor, here can be IBV/OEM customize
373 gST
->FirmwareVendor
= AllocateRuntimeCopyPool (
374 sizeof (mFirmwareVendor
),
377 ASSERT (gST
->FirmwareVendor
!= NULL
);
379 gST
->FirmwareRevision
= 0;
382 // Fixup Tasble CRC after we updated Firmware Vendor and Revision
384 gBS
->CalculateCrc32 ((VOID
*) gST
, sizeof (EFI_SYSTEM_TABLE
), &gST
->Hdr
.CRC32
);
386 GetSystemTablesFromHob ();
391 // Append Usb Keyboard short form DevicePath into "ConInDev"
393 BdsLibUpdateConsoleVariable (
395 (EFI_DEVICE_PATH_PROTOCOL
*) &gUsbClassKeyboardDevicePath
,
401 GetPciExpressBaseAddressForRootBridge (
402 IN UINTN HostBridgeNumber
,
403 IN UINTN RootBridgeNumber
408 This routine is to get PciExpress Base Address for this RootBridge
411 HostBridgeNumber - The number of HostBridge
412 RootBridgeNumber - The number of RootBridge
415 UINT64 - PciExpressBaseAddress for this HostBridge and RootBridge
419 EFI_PCI_EXPRESS_BASE_ADDRESS_INFORMATION
*PciExpressBaseAddressInfo
;
423 EFI_PEI_HOB_POINTERS GuidHob
;
426 // Get PciExpressAddressInfo Hob
428 PciExpressBaseAddressInfo
= NULL
;
430 GuidHob
.Raw
= GetFirstGuidHob (&gEfiPciExpressBaseAddressGuid
);
431 if (GuidHob
.Raw
!= NULL
) {
432 PciExpressBaseAddressInfo
= GET_GUID_HOB_DATA (GuidHob
.Guid
);
433 BufferSize
= GET_GUID_HOB_DATA_SIZE (GuidHob
.Guid
);
439 // Search the PciExpress Base Address in the Hob for current RootBridge
441 Number
= (UINT32
)(BufferSize
/ sizeof(EFI_PCI_EXPRESS_BASE_ADDRESS_INFORMATION
));
442 for (Index
= 0; Index
< Number
; Index
++) {
443 if ((PciExpressBaseAddressInfo
[Index
].HostBridgeNumber
== HostBridgeNumber
) &&
444 (PciExpressBaseAddressInfo
[Index
].RootBridgeNumber
== RootBridgeNumber
)) {
445 return PciExpressBaseAddressInfo
[Index
].PciExpressBaseAddress
;
450 // Do not find the PciExpress Base Address in the Hob
456 PatchPciRootBridgeDevicePath (
457 IN UINTN HostBridgeNumber
,
458 IN UINTN RootBridgeNumber
,
459 IN PLATFORM_ROOT_BRIDGE_DEVICE_PATH
*RootBridge
462 UINT64 PciExpressBase
;
464 PciExpressBase
= GetPciExpressBaseAddressForRootBridge (HostBridgeNumber
, RootBridgeNumber
);
466 DEBUG ((EFI_D_INFO
, "Get PciExpress Address from Hob: 0x%X\n", PciExpressBase
));
468 if (PciExpressBase
!= 0) {
469 RootBridge
->PciRootBridge
.HID
= EISA_PNP_ID(0x0A08);
489 EFI_SUCCESS - Connect RootBridge successfully.
490 EFI_STATUS - Connect RootBridge fail.
495 EFI_HANDLE RootHandle
;
498 // Patch Pci Root Bridge Device Path
500 PatchPciRootBridgeDevicePath (0, 0, &gPlatformRootBridge0
);
503 // Make all the PCI_IO protocols on PCI Seg 0 show up
505 BdsLibConnectDevicePath (gPlatformRootBridges
[0]);
507 Status
= gBS
->LocateDevicePath (
508 &gEfiDevicePathProtocolGuid
,
509 &gPlatformRootBridges
[0],
512 DEBUG ((EFI_D_INFO
, "Pci Root bridge handle is 0x%X\n", RootHandle
));
514 if (EFI_ERROR (Status
)) {
518 Status
= gBS
->ConnectController (RootHandle
, NULL
, NULL
, FALSE
);
519 if (EFI_ERROR (Status
)) {
527 PrepareLpcBridgeDevicePath (
528 IN EFI_HANDLE DeviceHandle
534 Add IsaKeyboard to ConIn,
535 add IsaSerial to ConOut, ConIn, ErrOut.
540 DeviceHandle - Handle of PCIIO protocol.
544 EFI_SUCCESS - LPC bridge is added to ConOut, ConIn, and ErrOut.
545 EFI_STATUS - No LPC bridge is added.
550 EFI_DEVICE_PATH_PROTOCOL
*DevicePath
;
551 EFI_DEVICE_PATH_PROTOCOL
*TempDevicePath
;
554 Status
= gBS
->HandleProtocol (
556 &gEfiDevicePathProtocolGuid
,
559 if (EFI_ERROR (Status
)) {
562 TempDevicePath
= DevicePath
;
567 DevicePath
= AppendDevicePathNode (DevicePath
, (EFI_DEVICE_PATH_PROTOCOL
*)&gPnpPs2KeyboardDeviceNode
);
569 BdsLibUpdateConsoleVariable (VarConsoleInp
, DevicePath
, NULL
);
574 DevicePath
= TempDevicePath
;
575 gPnp16550ComPortDeviceNode
.UID
= 0;
577 DevicePath
= AppendDevicePathNode (DevicePath
, (EFI_DEVICE_PATH_PROTOCOL
*)&gPnp16550ComPortDeviceNode
);
578 DevicePath
= AppendDevicePathNode (DevicePath
, (EFI_DEVICE_PATH_PROTOCOL
*)&gUartDeviceNode
);
579 DevicePath
= AppendDevicePathNode (DevicePath
, (EFI_DEVICE_PATH_PROTOCOL
*)&gTerminalTypeDeviceNode
);
581 BdsLibUpdateConsoleVariable (VarConsoleOut
, DevicePath
, NULL
);
582 BdsLibUpdateConsoleVariable (VarConsoleInp
, DevicePath
, NULL
);
583 BdsLibUpdateConsoleVariable (VarErrorOut
, DevicePath
, NULL
);
588 DevicePath
= TempDevicePath
;
589 gPnp16550ComPortDeviceNode
.UID
= 1;
591 DevicePath
= AppendDevicePathNode (DevicePath
, (EFI_DEVICE_PATH_PROTOCOL
*)&gPnp16550ComPortDeviceNode
);
592 DevicePath
= AppendDevicePathNode (DevicePath
, (EFI_DEVICE_PATH_PROTOCOL
*)&gUartDeviceNode
);
593 DevicePath
= AppendDevicePathNode (DevicePath
, (EFI_DEVICE_PATH_PROTOCOL
*)&gTerminalTypeDeviceNode
);
595 BdsLibUpdateConsoleVariable (VarConsoleOut
, DevicePath
, NULL
);
596 BdsLibUpdateConsoleVariable (VarConsoleInp
, DevicePath
, NULL
);
597 BdsLibUpdateConsoleVariable (VarErrorOut
, DevicePath
, NULL
);
604 IN EFI_DEVICE_PATH_PROTOCOL
*PciDevicePath
,
605 OUT EFI_DEVICE_PATH_PROTOCOL
**GopDevicePath
610 EFI_HANDLE PciDeviceHandle
;
611 EFI_DEVICE_PATH_PROTOCOL
*TempDevicePath
;
612 EFI_DEVICE_PATH_PROTOCOL
*TempPciDevicePath
;
613 UINTN GopHandleCount
;
614 EFI_HANDLE
*GopHandleBuffer
;
616 if (PciDevicePath
== NULL
|| GopDevicePath
== NULL
) {
617 return EFI_INVALID_PARAMETER
;
621 // Initialize the GopDevicePath to be PciDevicePath
623 *GopDevicePath
= PciDevicePath
;
624 TempPciDevicePath
= PciDevicePath
;
626 Status
= gBS
->LocateDevicePath (
627 &gEfiDevicePathProtocolGuid
,
631 if (EFI_ERROR (Status
)) {
636 // Try to connect this handle, so that GOP dirver could start on this
637 // device and create child handles with GraphicsOutput Protocol installed
638 // on them, then we get device paths of these child handles and select
639 // them as possible console device.
641 gBS
->ConnectController (PciDeviceHandle
, NULL
, NULL
, FALSE
);
643 Status
= gBS
->LocateHandleBuffer (
645 &gEfiGraphicsOutputProtocolGuid
,
650 if (!EFI_ERROR (Status
)) {
652 // Add all the child handles as possible Console Device
654 for (Index
= 0; Index
< GopHandleCount
; Index
++) {
655 Status
= gBS
->HandleProtocol (GopHandleBuffer
[Index
], &gEfiDevicePathProtocolGuid
, (VOID
*)&TempDevicePath
);
656 if (EFI_ERROR (Status
)) {
662 GetDevicePathSize (PciDevicePath
) - END_DEVICE_PATH_LENGTH
665 // In current implementation, we only enable one of the child handles
666 // as console device, i.e. sotre one of the child handle's device
667 // path to variable "ConOut"
668 // In futhure, we could select all child handles to be console device
671 *GopDevicePath
= TempDevicePath
;
674 // Delete the PCI device's path that added by GetPlugInPciVgaDevicePath()
675 // Add the integrity GOP device path.
677 BdsLibUpdateConsoleVariable (VarConsoleOutDev
, NULL
, PciDevicePath
);
678 BdsLibUpdateConsoleVariable (VarConsoleOutDev
, TempDevicePath
, NULL
);
681 gBS
->FreePool (GopHandleBuffer
);
688 PreparePciVgaDevicePath (
689 IN EFI_HANDLE DeviceHandle
695 Add PCI VGA to ConOut.
700 DeviceHandle - Handle of PCIIO protocol.
704 EFI_SUCCESS - PCI VGA is added to ConOut.
705 EFI_STATUS - No PCI VGA device is added.
710 EFI_DEVICE_PATH_PROTOCOL
*DevicePath
;
711 EFI_DEVICE_PATH_PROTOCOL
*GopDevicePath
;
714 Status
= gBS
->HandleProtocol (
716 &gEfiDevicePathProtocolGuid
,
719 if (EFI_ERROR (Status
)) {
723 GetGopDevicePath (DevicePath
, &GopDevicePath
);
724 DevicePath
= GopDevicePath
;
726 BdsLibUpdateConsoleVariable (VarConsoleOut
, DevicePath
, NULL
);
732 PreparePciSerialDevicePath (
733 IN EFI_HANDLE DeviceHandle
739 Add PCI Serial to ConOut, ConIn, ErrOut.
744 DeviceHandle - Handle of PCIIO protocol.
748 EFI_SUCCESS - PCI Serial is added to ConOut, ConIn, and ErrOut.
749 EFI_STATUS - No PCI Serial device is added.
754 EFI_DEVICE_PATH_PROTOCOL
*DevicePath
;
757 Status
= gBS
->HandleProtocol (
759 &gEfiDevicePathProtocolGuid
,
762 if (EFI_ERROR (Status
)) {
766 DevicePath
= AppendDevicePathNode (DevicePath
, (EFI_DEVICE_PATH_PROTOCOL
*)&gUartDeviceNode
);
767 DevicePath
= AppendDevicePathNode (DevicePath
, (EFI_DEVICE_PATH_PROTOCOL
*)&gTerminalTypeDeviceNode
);
769 BdsLibUpdateConsoleVariable (VarConsoleOut
, DevicePath
, NULL
);
770 BdsLibUpdateConsoleVariable (VarConsoleInp
, DevicePath
, NULL
);
771 BdsLibUpdateConsoleVariable (VarErrorOut
, DevicePath
, NULL
);
777 DetectAndPreparePlatformPciDevicePath (
778 BOOLEAN DetectVgaOnly
784 Do platform specific PCI Device check and add them to ConOut, ConIn, ErrOut
788 DetectVgaOnly - Only detect VGA device if it's TRUE.
792 EFI_SUCCESS - PCI Device check and Console variable update successfully.
793 EFI_STATUS - PCI Device check or Console variable update fail.
799 EFI_HANDLE
*HandleBuffer
;
801 EFI_PCI_IO_PROTOCOL
*PciIo
;
805 // Start to check all the PciIo to find all possible device
809 Status
= gBS
->LocateHandleBuffer (
811 &gEfiPciIoProtocolGuid
,
816 if (EFI_ERROR (Status
)) {
820 for (Index
= 0; Index
< HandleCount
; Index
++) {
821 Status
= gBS
->HandleProtocol (HandleBuffer
[Index
], &gEfiPciIoProtocolGuid
, (VOID
*)&PciIo
);
822 if (EFI_ERROR (Status
)) {
827 // Check for all PCI device
829 Status
= PciIo
->Pci
.Read (
833 sizeof (Pci
) / sizeof (UINT32
),
836 if (EFI_ERROR (Status
)) {
840 if (!DetectVgaOnly
) {
842 // Here we decide whether it is LPC Bridge
844 if ((IS_PCI_LPC (&Pci
)) ||
845 ((IS_PCI_ISA_PDECODE (&Pci
)) && (Pci
.Hdr
.VendorId
== 0x8086) && (Pci
.Hdr
.DeviceId
== 0x7110))) {
847 // Add IsaKeyboard to ConIn,
848 // add IsaSerial to ConOut, ConIn, ErrOut
850 DEBUG ((EFI_D_INFO
, "Find the LPC Bridge device\n"));
851 PrepareLpcBridgeDevicePath (HandleBuffer
[Index
]);
855 // Here we decide which Serial device to enable in PCI bus
857 if (IS_PCI_16550SERIAL (&Pci
)) {
859 // Add them to ConOut, ConIn, ErrOut.
861 DEBUG ((EFI_D_INFO
, "Find the 16550 SERIAL device\n"));
862 PreparePciSerialDevicePath (HandleBuffer
[Index
]);
868 // Here we decide which VGA device to enable in PCI bus
870 if (IS_PCI_VGA (&Pci
)) {
872 // Add them to ConOut.
874 DEBUG ((EFI_D_INFO
, "Find the VGA device\n"));
875 PreparePciVgaDevicePath (HandleBuffer
[Index
]);
880 gBS
->FreePool (HandleBuffer
);
886 PlatformBdsConnectConsole (
887 IN BDS_CONSOLE_CONNECT_ENTRY
*PlatformConsole
893 Connect the predefined platform default console device. Always try to find
894 and enable the vga device if have.
898 PlatformConsole - Predfined platform default console device array.
902 EFI_SUCCESS - Success connect at least one ConIn and ConOut
903 device, there must have one ConOut device is
906 EFI_STATUS - Return the status of
907 BdsLibConnectAllDefaultConsoles ()
913 EFI_DEVICE_PATH_PROTOCOL
*VarConout
;
914 EFI_DEVICE_PATH_PROTOCOL
*VarConin
;
915 UINTN DevicePathSize
;
918 // Connect RootBridge
920 ConnectRootBridge ();
922 VarConout
= BdsLibGetVariableAndSize (
924 &gEfiGlobalVariableGuid
,
927 VarConin
= BdsLibGetVariableAndSize (
929 &gEfiGlobalVariableGuid
,
933 if (VarConout
== NULL
|| VarConin
== NULL
) {
935 // Do platform specific PCI Device check and add them to ConOut, ConIn, ErrOut
937 DetectAndPreparePlatformPciDevicePath (FALSE
);
940 // Have chance to connect the platform default console,
941 // the platform default console is the minimue device group
942 // the platform should support
944 for (Index
= 0; PlatformConsole
[Index
].DevicePath
!= NULL
; ++Index
) {
946 // Update the console variable with the connect type
948 if ((PlatformConsole
[Index
].ConnectType
& CONSOLE_IN
) == CONSOLE_IN
) {
949 BdsLibUpdateConsoleVariable (VarConsoleInp
, PlatformConsole
[Index
].DevicePath
, NULL
);
951 if ((PlatformConsole
[Index
].ConnectType
& CONSOLE_OUT
) == CONSOLE_OUT
) {
952 BdsLibUpdateConsoleVariable (VarConsoleOut
, PlatformConsole
[Index
].DevicePath
, NULL
);
954 if ((PlatformConsole
[Index
].ConnectType
& STD_ERROR
) == STD_ERROR
) {
955 BdsLibUpdateConsoleVariable (VarErrorOut
, PlatformConsole
[Index
].DevicePath
, NULL
);
960 // Only detect VGA device and add them to ConOut
962 DetectAndPreparePlatformPciDevicePath (TRUE
);
966 // The ConIn devices connection will start the USB bus, should disable all
967 // Usb legacy support firstly.
968 // Caution: Must ensure the PCI bus driver has been started. Since the
969 // ConnectRootBridge() will create all the PciIo protocol, it's safe here now
971 Status
= DisableUsbLegacySupport();
974 // Connect the all the default console with current cosole variable
976 Status
= BdsLibConnectAllDefaultConsoles ();
977 if (EFI_ERROR (Status
)) {
985 PlatformBdsConnectSequence (
992 Connect with predeined platform connect sequence,
993 the OEM/IBV can customize with their own connect sequence.
1010 // Here we can get the customized platform connect sequence
1011 // Notes: we can connect with new variable which record the
1012 // last time boots connect device path sequence
1014 while (gPlatformConnectSequence
[Index
] != NULL
) {
1016 // Build the platform boot option
1018 BdsLibConnectDevicePath (gPlatformConnectSequence
[Index
]);
1025 PlatformBdsGetDriverOption (
1026 IN OUT LIST_ENTRY
*BdsDriverLists
1030 Routine Description:
1032 Load the predefined driver option, OEM/IBV can customize this
1033 to load their own drivers
1037 BdsDriverLists - The header of the driver option link list.
1050 // Here we can get the customized platform driver option
1052 while (gPlatformDriverOption
[Index
] != NULL
) {
1054 // Build the platform boot option
1056 BdsLibRegisterNewOption (BdsDriverLists
, gPlatformDriverOption
[Index
], NULL
, L
"DriverOrder");
1063 PlatformBdsDiagnostics (
1064 IN EXTENDMEM_COVERAGE_LEVEL MemoryTestLevel
,
1065 IN BOOLEAN QuietBoot
1069 Routine Description:
1071 Perform the platform diagnostic, such like test memory. OEM/IBV also
1072 can customize this fuction to support specific platform diagnostic.
1076 MemoryTestLevel - The memory test intensive level
1078 QuietBoot - Indicate if need to enable the quiet boot
1089 // Here we can decide if we need to show
1090 // the diagnostics screen
1091 // Notes: this quiet boot code should be remove
1092 // from the graphic lib
1095 Status
= EnableQuietBoot (&gEfiDefaultBmpLogoGuid
);
1096 if (EFI_ERROR (Status
)) {
1097 DisableQuietBoot ();
1102 // Perform system diagnostic
1104 Status
= BdsMemoryTest (MemoryTestLevel
);
1105 if (EFI_ERROR (Status
)) {
1106 DisableQuietBoot ();
1112 // Perform system diagnostic
1114 Status
= BdsMemoryTest (MemoryTestLevel
);
1118 PlatformBdsPolicyBehavior (
1119 IN EFI_BDS_ARCH_PROTOCOL_INSTANCE
*PrivateData
,
1120 IN OUT LIST_ENTRY
*DriverOptionList
,
1121 IN OUT LIST_ENTRY
*BootOptionList
1125 Routine Description:
1127 The function will excute with as the platform policy, current policy
1128 is driven by boot mode. IBV/OEM can customize this code for their specific
1133 PrivateData - The EFI_BDS_ARCH_PROTOCOL_INSTANCE instance
1135 DriverOptionList - The header of the driver option link list
1137 BootOptionList - The header of the boot option link list
1147 EFI_EVENT UserInputDurationTime
;
1149 BDS_COMMON_OPTION
*BootOption
;
1155 // Init the time out value
1157 Timeout
= BdsLibGetTimeout ();
1160 // Load the driver option as the driver option list
1162 PlatformBdsGetDriverOption (DriverOptionList
);
1165 // Get current Boot Mode
1167 Status
= BdsLibGetBootMode (&PrivateData
->BootMode
);
1168 DEBUG ((EFI_D_ERROR
, "Boot Mode:%x\n", PrivateData
->BootMode
));
1171 // Go the different platform policy with different boot mode
1172 // Notes: this part code can be change with the table policy
1174 ASSERT (PrivateData
->BootMode
== BOOT_WITH_FULL_CONFIGURATION
);
1176 // Connect platform console
1178 Status
= PlatformBdsConnectConsole (gPlatformConsole
);
1179 if (EFI_ERROR (Status
)) {
1181 // Here OEM/IBV can customize with defined action
1183 PlatformBdsNoConsoleAction ();
1186 // Create a 300ms duration event to ensure user has enough input time to enter Setup
1188 Status
= gBS
->CreateEvent (
1193 &UserInputDurationTime
1195 ASSERT (Status
== EFI_SUCCESS
);
1196 Status
= gBS
->SetTimer (UserInputDurationTime
, TimerRelative
, 3000000);
1197 ASSERT (Status
== EFI_SUCCESS
);
1199 // Memory test and Logo show
1201 PlatformBdsDiagnostics (IGNORE
, TRUE
);
1204 // Perform some platform specific connect sequence
1206 PlatformBdsConnectSequence ();
1209 // Give one chance to enter the setup if we
1210 // have the time out
1212 // BUGBUG: hard code timeout to 5 second to show logo in graphic mode.
1215 PlatformBdsEnterFrontPage (Timeout
, FALSE
);
1219 //BdsLibConnectAll ();
1220 //BdsLibEnumerateAllBootOption (BootOptionList);
1223 // Please uncomment above ConnectAll and EnumerateAll code and remove following first boot
1224 // checking code in real production tip.
1226 // In BOOT_WITH_FULL_CONFIGURATION boot mode, should always connect every device
1227 // and do enumerate all the default boot options. But in development system board, the boot mode
1228 // cannot be BOOT_ASSUMING_NO_CONFIGURATION_CHANGES because the machine box
1229 // is always open. So the following code only do the ConnectAll and EnumerateAll at first boot.
1231 Status
= BdsLibBuildOptionFromVar (BootOptionList
, L
"BootOrder");
1232 if (EFI_ERROR(Status
)) {
1234 // If cannot find "BootOrder" variable, it may be first boot.
1235 // Try to connect all devices and enumerate all boot options here.
1237 BdsLibConnectAll ();
1238 BdsLibEnumerateAllBootOption (BootOptionList
);
1242 // To give the User a chance to enter Setup here, if user set TimeOut is 0.
1243 // BDS should still give user a chance to enter Setup
1245 // Connect first boot option, and then check user input before exit
1247 for (Link
= BootOptionList
->ForwardLink
; Link
!= BootOptionList
;Link
= Link
->ForwardLink
) {
1248 BootOption
= CR (Link
, BDS_COMMON_OPTION
, Link
, BDS_LOAD_OPTION_SIGNATURE
);
1249 if (!IS_LOAD_OPTION_TYPE (BootOption
->Attribute
, LOAD_OPTION_ACTIVE
)) {
1251 // skip the header of the link list, becuase it has no boot option
1256 // Make sure the boot option device path connected, but ignore the BBS device path
1258 if (DevicePathType (BootOption
->DevicePath
) != BBS_DEVICE_PATH
) {
1259 BdsLibConnectDevicePath (BootOption
->DevicePath
);
1266 // Check whether the user input after the duration time has expired
1268 OldTpl
= EfiGetCurrentTpl();
1269 gBS
->RestoreTPL (TPL_APPLICATION
);
1270 gBS
->WaitForEvent (1, &UserInputDurationTime
, &Index
);
1271 gBS
->CloseEvent (UserInputDurationTime
);
1272 Status
= gST
->ConIn
->ReadKeyStroke (gST
->ConIn
, &Key
);
1273 gBS
->RaiseTPL (OldTpl
);
1275 if (!EFI_ERROR (Status
)) {
1277 // Enter Setup if user input
1280 PlatformBdsEnterFrontPage (Timeout
, FALSE
);
1288 PlatformBdsBootSuccess (
1289 IN BDS_COMMON_OPTION
*Option
1293 Routine Description:
1295 Hook point after a boot attempt succeeds. We don't expect a boot option to
1296 return, so the EFI 1.0 specification defines that you will default to an
1297 interactive mode and stop processing the BootOrder list in this case. This
1298 is alos a platform implementation and can be customized by IBV/OEM.
1302 Option - Pointer to Boot Option that succeeded to boot.
1313 // If Boot returned with EFI_SUCCESS and there is not in the boot device
1314 // select loop then we need to pop up a UI and wait for user input.
1316 TmpStr
= Option
->StatusString
;
1317 if (TmpStr
!= NULL
) {
1318 BdsLibOutputStrings (gST
->ConOut
, TmpStr
, Option
->Description
, L
"\n\r", NULL
);
1319 gBS
->FreePool (TmpStr
);
1324 PlatformBdsBootFail (
1325 IN BDS_COMMON_OPTION
*Option
,
1326 IN EFI_STATUS Status
,
1327 IN CHAR16
*ExitData
,
1328 IN UINTN ExitDataSize
1332 Routine Description:
1334 Hook point after a boot attempt fails.
1338 Option - Pointer to Boot Option that failed to boot.
1340 Status - Status returned from failed boot.
1342 ExitData - Exit data returned from failed boot.
1344 ExitDataSize - Exit data size returned from failed boot.
1355 // If Boot returned with failed status then we need to pop up a UI and wait
1358 TmpStr
= Option
->StatusString
;
1359 if (TmpStr
!= NULL
) {
1360 BdsLibOutputStrings (gST
->ConOut
, TmpStr
, Option
->Description
, L
"\n\r", NULL
);
1361 gBS
->FreePool (TmpStr
);
1367 PlatformBdsNoConsoleAction (
1372 Routine Description:
1374 This function is remained for IBV/OEM to do some platform action,
1375 if there no console device can be connected.
1383 EFI_SUCCESS - Direct return success now.
1391 ConvertSystemTable (
1392 IN EFI_GUID
*TableGuid
,
1397 Routine Description:
1398 Convert ACPI Table /Smbios Table /MP Table if its location is lower than Address:0x100000
1400 As in legacy Bios, ACPI/Smbios/MP table is required to place in E/F Seg,
1401 So here we just check if the range is E/F seg,
1402 and if Not, assume the Memory type is EfiACPIReclaimMemory/EfiACPIMemoryNVS
1405 TableGuid - Guid of the table
1406 Table - pointer to the table
1409 EFI_SUCEESS - Convert Table successfully
1419 // If match acpi guid (1.0, 2.0, or later), Convert ACPI table according to version.
1421 AcpiHeader
= (VOID
*)(UINTN
)(*(UINT64
*)(*Table
));
1423 if (CompareGuid(TableGuid
, &gEfiAcpiTableGuid
) || CompareGuid(TableGuid
, &gEfiAcpi20TableGuid
)){
1424 if (((EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER
*)AcpiHeader
)->Reserved
== 0x00){
1426 // If Acpi 1.0 Table, then RSDP structure doesn't contain Length field, use structure size
1428 AcpiTableLen
= sizeof (EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER
);
1429 } else if (((EFI_ACPI_1_0_ROOT_SYSTEM_DESCRIPTION_POINTER
*)AcpiHeader
)->Reserved
>= 0x02){
1431 // If Acpi 2.0 or later, use RSDP Length fied.
1433 AcpiTableLen
= ((EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER
*)AcpiHeader
)->Length
;
1436 // Invalid Acpi Version, return
1438 return EFI_UNSUPPORTED
;
1440 Status
= ConvertAcpiTable (AcpiTableLen
, Table
);
1445 // If matches smbios guid, convert Smbios table.
1447 if (CompareGuid(TableGuid
, &gEfiSmbiosTableGuid
)){
1448 Status
= ConvertSmbiosTable (Table
);
1453 // If the table is MP table?
1455 if (CompareGuid(TableGuid
, &gEfiMpsTableGuid
)){
1456 Status
= ConvertMpsTable (Table
);
1460 return EFI_UNSUPPORTED
;
1470 Routine Description:
1471 Caculate buffer checksum (8-bit)
1474 Buffer - Pointer to Buffer that to be caculated
1475 Length - How many bytes are to be caculated
1478 Checksum of the buffer
1486 Ptr8
= (UINT8
*) Buffer
;
1488 while (Length
> 0) {
1489 CheckSum
= (UINT8
) (CheckSum
+ *Ptr8
++);
1493 return (UINT8
)((0xFF - CheckSum
) + 1);
1503 Routine Description:
1504 Convert RSDP of ACPI Table if its location is lower than Address:0x100000
1506 As in legacy Bios, ACPI table is required to place in E/F Seg,
1507 So here we just check if the range is E/F seg,
1508 and if Not, assume the Memory type is EfiACPIReclaimMemory/EfiACPIMemoryNVS
1511 TableLen - Acpi RSDP length
1512 Table - pointer to the table
1515 EFI_SUCEESS - Convert Table successfully
1523 EFI_PHYSICAL_ADDRESS BufferPtr
;
1526 AcpiTableOri
= (VOID
*)(UINTN
)(*(UINT64
*)(*Table
));
1527 if (((UINTN
)AcpiTableOri
< 0x100000) && ((UINTN
)AcpiTableOri
> 0xE0000)) {
1528 BufferPtr
= EFI_SYSTEM_TABLE_MAX_ADDRESS
;
1529 Status
= gBS
->AllocatePages (
1532 EFI_SIZE_TO_PAGES(TableLen
),
1535 ASSERT_EFI_ERROR (Status
);
1536 AcpiTableNew
= (VOID
*)(UINTN
)BufferPtr
;
1537 CopyMem (AcpiTableNew
, AcpiTableOri
, TableLen
);
1539 AcpiTableNew
= AcpiTableOri
;
1542 // Change configuration table Pointer
1544 *Table
= AcpiTableNew
;
1550 ConvertSmbiosTable (
1555 Routine Description:
1557 Convert Smbios Table if the Location of the SMBios Table is lower than Addres 0x100000
1559 As in legacy Bios, Smbios table is required to place in E/F Seg,
1560 So here we just check if the range is F seg,
1561 and if Not, assume the Memory type is EfiACPIMemoryNVS/EfiRuntimeServicesData
1563 Table - pointer to the table
1566 EFI_SUCEESS - Convert Table successfully
1571 SMBIOS_TABLE_ENTRY_POINT
*SmbiosTableNew
;
1572 SMBIOS_TABLE_ENTRY_POINT
*SmbiosTableOri
;
1574 UINT32 SmbiosEntryLen
;
1576 EFI_PHYSICAL_ADDRESS BufferPtr
;
1578 SmbiosTableNew
= NULL
;
1579 SmbiosTableOri
= NULL
;
1582 // Get Smibos configuration Table
1584 SmbiosTableOri
= (SMBIOS_TABLE_ENTRY_POINT
*)(UINTN
)(*(UINT64
*)(*Table
));
1586 if ((SmbiosTableOri
== NULL
) ||
1587 ((UINTN
)SmbiosTableOri
> 0x100000) ||
1588 ((UINTN
)SmbiosTableOri
< 0xF0000)){
1592 // Relocate the Smibos memory
1594 BufferPtr
= EFI_SYSTEM_TABLE_MAX_ADDRESS
;
1595 if (SmbiosTableOri
->SmbiosBcdRevision
!= 0x21) {
1596 SmbiosEntryLen
= SmbiosTableOri
->EntryPointLength
;
1599 // According to Smbios Spec 2.4, we should set entry point length as 0x1F if version is 2.1
1601 SmbiosEntryLen
= 0x1F;
1603 BufferLen
= SmbiosEntryLen
+ SYS_TABLE_PAD(SmbiosEntryLen
) + SmbiosTableOri
->TableLength
;
1604 Status
= gBS
->AllocatePages (
1607 EFI_SIZE_TO_PAGES(BufferLen
),
1610 ASSERT_EFI_ERROR (Status
);
1611 SmbiosTableNew
= (SMBIOS_TABLE_ENTRY_POINT
*)(UINTN
)BufferPtr
;
1618 // Get Smbios Structure table address, and make sure the start address is 32-bit align
1620 BufferPtr
+= SmbiosEntryLen
+ SYS_TABLE_PAD(SmbiosEntryLen
);
1622 (VOID
*)(UINTN
)BufferPtr
,
1623 (VOID
*)(UINTN
)(SmbiosTableOri
->TableAddress
),
1624 SmbiosTableOri
->TableLength
1626 SmbiosTableNew
->TableAddress
= (UINT32
)BufferPtr
;
1627 SmbiosTableNew
->IntermediateChecksum
= 0;
1628 SmbiosTableNew
->IntermediateChecksum
=
1629 GetBufferCheckSum ((UINT8
*)SmbiosTableNew
+ 0x10, SmbiosEntryLen
-0x10);
1631 // Change the SMBIOS pointer
1633 *Table
= SmbiosTableNew
;
1644 Routine Description:
1646 Convert MP Table if the Location of the SMBios Table is lower than Addres 0x100000
1648 As in legacy Bios, MP table is required to place in E/F Seg,
1649 So here we just check if the range is E/F seg,
1650 and if Not, assume the Memory type is EfiACPIMemoryNVS/EfiRuntimeServicesData
1652 Table - pointer to the table
1655 EFI_SUCEESS - Convert Table successfully
1662 EFI_LEGACY_MP_TABLE_FLOATING_POINTER
*MpsFloatingPointerOri
;
1663 EFI_LEGACY_MP_TABLE_FLOATING_POINTER
*MpsFloatingPointerNew
;
1664 EFI_LEGACY_MP_TABLE_HEADER
*MpsTableOri
;
1665 EFI_LEGACY_MP_TABLE_HEADER
*MpsTableNew
;
1669 EFI_PHYSICAL_ADDRESS BufferPtr
;
1672 // Get MP configuration Table
1674 MpsFloatingPointerOri
= (EFI_LEGACY_MP_TABLE_FLOATING_POINTER
*)(UINTN
)(*(UINT64
*)(*Table
));
1675 if (!(((UINTN
)MpsFloatingPointerOri
<= 0x100000) &&
1676 ((UINTN
)MpsFloatingPointerOri
>= 0xF0000))){
1680 // Get Floating pointer structure length
1682 FPLength
= MpsFloatingPointerOri
->Length
* 16;
1683 Data32
= FPLength
+ SYS_TABLE_PAD (FPLength
);
1684 MpsTableOri
= (EFI_LEGACY_MP_TABLE_HEADER
*)(UINTN
)(MpsFloatingPointerOri
->PhysicalAddress
);
1685 if (MpsTableOri
!= NULL
) {
1686 Data32
+= MpsTableOri
->BaseTableLength
;
1687 Data32
+= MpsTableOri
->ExtendedTableLength
;
1688 if (MpsTableOri
->OemTablePointer
!= 0x00) {
1689 Data32
+= SYS_TABLE_PAD (Data32
);
1690 Data32
+= MpsTableOri
->OemTableSize
;
1698 BufferPtr
= EFI_SYSTEM_TABLE_MAX_ADDRESS
;
1699 Status
= gBS
->AllocatePages (
1702 EFI_SIZE_TO_PAGES(Data32
),
1705 ASSERT_EFI_ERROR (Status
);
1706 MpsFloatingPointerNew
= (EFI_LEGACY_MP_TABLE_FLOATING_POINTER
*)(UINTN
)BufferPtr
;
1707 CopyMem (MpsFloatingPointerNew
, MpsFloatingPointerOri
, FPLength
);
1709 // If Mp Table exists
1711 if (MpsTableOri
!= NULL
) {
1713 // Get Mps table length, including Ext table
1715 BufferPtr
= BufferPtr
+ FPLength
+ SYS_TABLE_PAD (FPLength
);
1716 MpsTableNew
= (EFI_LEGACY_MP_TABLE_HEADER
*)(UINTN
)BufferPtr
;
1717 CopyMem (MpsTableNew
, MpsTableOri
, MpsTableOri
->BaseTableLength
+ MpsTableOri
->ExtendedTableLength
);
1719 if ((MpsTableOri
->OemTableSize
!= 0x0000) && (MpsTableOri
->OemTablePointer
!= 0x0000)){
1720 BufferPtr
+= MpsTableOri
->BaseTableLength
+ MpsTableOri
->ExtendedTableLength
;
1721 BufferPtr
+= SYS_TABLE_PAD (BufferPtr
);
1722 OemTableNew
= (VOID
*)(UINTN
)BufferPtr
;
1723 OemTableOri
= (VOID
*)(UINTN
)MpsTableOri
->OemTablePointer
;
1724 CopyMem (OemTableNew
, OemTableOri
, MpsTableOri
->OemTableSize
);
1725 MpsTableNew
->OemTablePointer
= (UINT32
)(UINTN
)OemTableNew
;
1727 MpsTableNew
->Checksum
= 0;
1728 MpsTableNew
->Checksum
= GetBufferCheckSum (MpsTableNew
, MpsTableOri
->BaseTableLength
);
1729 MpsFloatingPointerNew
->PhysicalAddress
= (UINT32
)(UINTN
)MpsTableNew
;
1730 MpsFloatingPointerNew
->Checksum
= 0;
1731 MpsFloatingPointerNew
->Checksum
= GetBufferCheckSum (MpsFloatingPointerNew
, FPLength
);
1734 // Change the pointer
1736 *Table
= MpsFloatingPointerNew
;