2 Platform BDS customizations.
4 Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>
5 This program and the accompanying materials
6 are licensed and made available under the terms and conditions of the BSD License
7 which accompanies this distribution. The full text of the license may be found at
8 http://opensource.org/licenses/bsd-license.php
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
15 #include "BdsPlatform.h"
16 #include "QemuBootOrder.h"
23 VOID
*mEfiDevPathNotifyReg
;
24 EFI_EVENT mEfiDevPathEvent
;
25 VOID
*mEmuVariableEventReg
;
26 EFI_EVENT mEmuVariableEvent
;
27 BOOLEAN mDetectVgaOnly
;
36 (EFIAPI
*PROTOCOL_INSTANCE_CALLBACK
)(
43 @param[in] Handle - Handle of PCI device instance
44 @param[in] PciIo - PCI IO protocol instance
45 @param[in] Pci - PCI Header register block
49 (EFIAPI
*VISIT_PCI_INSTANCE_CALLBACK
)(
51 IN EFI_PCI_IO_PROTOCOL
*PciIo
,
57 // Function prototypes
61 VisitAllInstancesOfProtocol (
63 IN PROTOCOL_INSTANCE_CALLBACK CallBackFunction
,
68 VisitAllPciInstancesOfProtocol (
69 IN VISIT_PCI_INSTANCE_CALLBACK CallBackFunction
73 InstallDevicePathCallback (
78 // BDS Platform Functions
89 Platform Bds init. Incude the platform firmware vendor, revision
100 DEBUG ((EFI_D_INFO
, "PlatformBdsInit\n"));
101 InstallDevicePathCallback ();
121 EFI_SUCCESS - Connect RootBridge successfully.
122 EFI_STATUS - Connect RootBridge fail.
127 EFI_HANDLE RootHandle
;
130 // Make all the PCI_IO protocols on PCI Seg 0 show up
132 BdsLibConnectDevicePath (gPlatformRootBridges
[0]);
134 Status
= gBS
->LocateDevicePath (
135 &gEfiDevicePathProtocolGuid
,
136 &gPlatformRootBridges
[0],
139 if (EFI_ERROR (Status
)) {
143 Status
= gBS
->ConnectController (RootHandle
, NULL
, NULL
, FALSE
);
144 if (EFI_ERROR (Status
)) {
153 PrepareLpcBridgeDevicePath (
154 IN EFI_HANDLE DeviceHandle
160 Add IsaKeyboard to ConIn,
161 add IsaSerial to ConOut, ConIn, ErrOut.
166 DeviceHandle - Handle of PCIIO protocol.
170 EFI_SUCCESS - LPC bridge is added to ConOut, ConIn, and ErrOut.
171 EFI_STATUS - No LPC bridge is added.
176 EFI_DEVICE_PATH_PROTOCOL
*DevicePath
;
177 EFI_DEVICE_PATH_PROTOCOL
*TempDevicePath
;
181 Status
= gBS
->HandleProtocol (
183 &gEfiDevicePathProtocolGuid
,
186 if (EFI_ERROR (Status
)) {
189 TempDevicePath
= DevicePath
;
194 DevicePath
= AppendDevicePathNode (DevicePath
, (EFI_DEVICE_PATH_PROTOCOL
*)&gPnpPs2KeyboardDeviceNode
);
196 BdsLibUpdateConsoleVariable (VarConsoleInp
, DevicePath
, NULL
);
201 DevicePath
= TempDevicePath
;
202 gPnp16550ComPortDeviceNode
.UID
= 0;
204 DevicePath
= AppendDevicePathNode (DevicePath
, (EFI_DEVICE_PATH_PROTOCOL
*)&gPnp16550ComPortDeviceNode
);
205 DevicePath
= AppendDevicePathNode (DevicePath
, (EFI_DEVICE_PATH_PROTOCOL
*)&gUartDeviceNode
);
206 DevicePath
= AppendDevicePathNode (DevicePath
, (EFI_DEVICE_PATH_PROTOCOL
*)&gTerminalTypeDeviceNode
);
211 DevPathStr
= DevicePathToStr(DevicePath
);
212 if (DevPathStr
!= NULL
) {
215 "BdsPlatform.c+%d: COM%d DevPath: %s\n",
217 gPnp16550ComPortDeviceNode
.UID
+ 1,
220 FreePool(DevPathStr
);
223 BdsLibUpdateConsoleVariable (VarConsoleOut
, DevicePath
, NULL
);
224 BdsLibUpdateConsoleVariable (VarConsoleInp
, DevicePath
, NULL
);
225 BdsLibUpdateConsoleVariable (VarErrorOut
, DevicePath
, NULL
);
230 DevicePath
= TempDevicePath
;
231 gPnp16550ComPortDeviceNode
.UID
= 1;
233 DevicePath
= AppendDevicePathNode (DevicePath
, (EFI_DEVICE_PATH_PROTOCOL
*)&gPnp16550ComPortDeviceNode
);
234 DevicePath
= AppendDevicePathNode (DevicePath
, (EFI_DEVICE_PATH_PROTOCOL
*)&gUartDeviceNode
);
235 DevicePath
= AppendDevicePathNode (DevicePath
, (EFI_DEVICE_PATH_PROTOCOL
*)&gTerminalTypeDeviceNode
);
240 DevPathStr
= DevicePathToStr(DevicePath
);
241 if (DevPathStr
!= NULL
) {
244 "BdsPlatform.c+%d: COM%d DevPath: %s\n",
246 gPnp16550ComPortDeviceNode
.UID
+ 1,
249 FreePool(DevPathStr
);
252 BdsLibUpdateConsoleVariable (VarConsoleOut
, DevicePath
, NULL
);
253 BdsLibUpdateConsoleVariable (VarConsoleInp
, DevicePath
, NULL
);
254 BdsLibUpdateConsoleVariable (VarErrorOut
, DevicePath
, NULL
);
261 IN EFI_DEVICE_PATH_PROTOCOL
*PciDevicePath
,
262 OUT EFI_DEVICE_PATH_PROTOCOL
**GopDevicePath
267 EFI_HANDLE PciDeviceHandle
;
268 EFI_DEVICE_PATH_PROTOCOL
*TempDevicePath
;
269 EFI_DEVICE_PATH_PROTOCOL
*TempPciDevicePath
;
270 UINTN GopHandleCount
;
271 EFI_HANDLE
*GopHandleBuffer
;
273 if (PciDevicePath
== NULL
|| GopDevicePath
== NULL
) {
274 return EFI_INVALID_PARAMETER
;
278 // Initialize the GopDevicePath to be PciDevicePath
280 *GopDevicePath
= PciDevicePath
;
281 TempPciDevicePath
= PciDevicePath
;
283 Status
= gBS
->LocateDevicePath (
284 &gEfiDevicePathProtocolGuid
,
288 if (EFI_ERROR (Status
)) {
293 // Try to connect this handle, so that GOP dirver could start on this
294 // device and create child handles with GraphicsOutput Protocol installed
295 // on them, then we get device paths of these child handles and select
296 // them as possible console device.
298 gBS
->ConnectController (PciDeviceHandle
, NULL
, NULL
, FALSE
);
300 Status
= gBS
->LocateHandleBuffer (
302 &gEfiGraphicsOutputProtocolGuid
,
307 if (!EFI_ERROR (Status
)) {
309 // Add all the child handles as possible Console Device
311 for (Index
= 0; Index
< GopHandleCount
; Index
++) {
312 Status
= gBS
->HandleProtocol (GopHandleBuffer
[Index
], &gEfiDevicePathProtocolGuid
, (VOID
*)&TempDevicePath
);
313 if (EFI_ERROR (Status
)) {
319 GetDevicePathSize (PciDevicePath
) - END_DEVICE_PATH_LENGTH
322 // In current implementation, we only enable one of the child handles
323 // as console device, i.e. sotre one of the child handle's device
324 // path to variable "ConOut"
325 // In futhure, we could select all child handles to be console device
328 *GopDevicePath
= TempDevicePath
;
331 // Delete the PCI device's path that added by GetPlugInPciVgaDevicePath()
332 // Add the integrity GOP device path.
334 BdsLibUpdateConsoleVariable (VarConsoleOutDev
, NULL
, PciDevicePath
);
335 BdsLibUpdateConsoleVariable (VarConsoleOutDev
, TempDevicePath
, NULL
);
338 gBS
->FreePool (GopHandleBuffer
);
345 PreparePciVgaDevicePath (
346 IN EFI_HANDLE DeviceHandle
352 Add PCI VGA to ConOut.
357 DeviceHandle - Handle of PCIIO protocol.
361 EFI_SUCCESS - PCI VGA is added to ConOut.
362 EFI_STATUS - No PCI VGA device is added.
367 EFI_DEVICE_PATH_PROTOCOL
*DevicePath
;
368 EFI_DEVICE_PATH_PROTOCOL
*GopDevicePath
;
371 GopDevicePath
= NULL
;
372 Status
= gBS
->HandleProtocol (
374 &gEfiDevicePathProtocolGuid
,
377 if (EFI_ERROR (Status
)) {
381 GetGopDevicePath (DevicePath
, &GopDevicePath
);
382 DevicePath
= GopDevicePath
;
384 BdsLibUpdateConsoleVariable (VarConsoleOut
, DevicePath
, NULL
);
390 PreparePciSerialDevicePath (
391 IN EFI_HANDLE DeviceHandle
397 Add PCI Serial to ConOut, ConIn, ErrOut.
402 DeviceHandle - Handle of PCIIO protocol.
406 EFI_SUCCESS - PCI Serial is added to ConOut, ConIn, and ErrOut.
407 EFI_STATUS - No PCI Serial device is added.
412 EFI_DEVICE_PATH_PROTOCOL
*DevicePath
;
415 Status
= gBS
->HandleProtocol (
417 &gEfiDevicePathProtocolGuid
,
420 if (EFI_ERROR (Status
)) {
424 DevicePath
= AppendDevicePathNode (DevicePath
, (EFI_DEVICE_PATH_PROTOCOL
*)&gUartDeviceNode
);
425 DevicePath
= AppendDevicePathNode (DevicePath
, (EFI_DEVICE_PATH_PROTOCOL
*)&gTerminalTypeDeviceNode
);
427 BdsLibUpdateConsoleVariable (VarConsoleOut
, DevicePath
, NULL
);
428 BdsLibUpdateConsoleVariable (VarConsoleInp
, DevicePath
, NULL
);
429 BdsLibUpdateConsoleVariable (VarErrorOut
, DevicePath
, NULL
);
435 VisitAllInstancesOfProtocol (
437 IN PROTOCOL_INSTANCE_CALLBACK CallBackFunction
,
443 EFI_HANDLE
*HandleBuffer
;
448 // Start to check all the PciIo to find all possible device
452 Status
= gBS
->LocateHandleBuffer (
459 if (EFI_ERROR (Status
)) {
463 for (Index
= 0; Index
< HandleCount
; Index
++) {
464 Status
= gBS
->HandleProtocol (HandleBuffer
[Index
], Id
, &Instance
);
465 if (EFI_ERROR (Status
)) {
469 Status
= (*CallBackFunction
) (
476 gBS
->FreePool (HandleBuffer
);
484 VisitingAPciInstance (
485 IN EFI_HANDLE Handle
,
491 EFI_PCI_IO_PROTOCOL
*PciIo
;
494 PciIo
= (EFI_PCI_IO_PROTOCOL
*) Instance
;
497 // Check for all PCI device
499 Status
= PciIo
->Pci
.Read (
503 sizeof (Pci
) / sizeof (UINT32
),
506 if (EFI_ERROR (Status
)) {
510 return (*(VISIT_PCI_INSTANCE_CALLBACK
)(UINTN
) Context
) (
521 VisitAllPciInstances (
522 IN VISIT_PCI_INSTANCE_CALLBACK CallBackFunction
525 return VisitAllInstancesOfProtocol (
526 &gEfiPciIoProtocolGuid
,
527 VisitingAPciInstance
,
528 (VOID
*)(UINTN
) CallBackFunction
534 Do platform specific PCI Device check and add them to
535 ConOut, ConIn, ErrOut.
537 @param[in] Handle - Handle of PCI device instance
538 @param[in] PciIo - PCI IO protocol instance
539 @param[in] Pci - PCI Header register block
541 @retval EFI_SUCCESS - PCI Device check and Console variable update successfully.
542 @retval EFI_STATUS - PCI Device check or Console variable update fail.
547 DetectAndPreparePlatformPciDevicePath (
548 IN EFI_HANDLE Handle
,
549 IN EFI_PCI_IO_PROTOCOL
*PciIo
,
555 Status
= PciIo
->Attributes (
557 EfiPciIoAttributeOperationEnable
,
558 EFI_PCI_DEVICE_ENABLE
,
561 ASSERT_EFI_ERROR (Status
);
563 if (!mDetectVgaOnly
) {
565 // Here we decide whether it is LPC Bridge
567 if ((IS_PCI_LPC (Pci
)) ||
568 ((IS_PCI_ISA_PDECODE (Pci
)) &&
569 (Pci
->Hdr
.VendorId
== 0x8086) &&
570 (Pci
->Hdr
.DeviceId
== 0x7000)
574 // Add IsaKeyboard to ConIn,
575 // add IsaSerial to ConOut, ConIn, ErrOut
577 DEBUG ((EFI_D_INFO
, "Found LPC Bridge device\n"));
578 PrepareLpcBridgeDevicePath (Handle
);
582 // Here we decide which Serial device to enable in PCI bus
584 if (IS_PCI_16550SERIAL (Pci
)) {
586 // Add them to ConOut, ConIn, ErrOut.
588 DEBUG ((EFI_D_INFO
, "Found PCI 16550 SERIAL device\n"));
589 PreparePciSerialDevicePath (Handle
);
595 // Here we decide which VGA device to enable in PCI bus
597 if (IS_PCI_VGA (Pci
)) {
599 // Add them to ConOut.
601 DEBUG ((EFI_D_INFO
, "Found PCI VGA device\n"));
602 PreparePciVgaDevicePath (Handle
);
611 Do platform specific PCI Device check and add them to ConOut, ConIn, ErrOut
613 @param[in] DetectVgaOnly - Only detect VGA device if it's TRUE.
615 @retval EFI_SUCCESS - PCI Device check and Console variable update successfully.
616 @retval EFI_STATUS - PCI Device check or Console variable update fail.
620 DetectAndPreparePlatformPciDevicePaths (
621 BOOLEAN DetectVgaOnly
624 mDetectVgaOnly
= DetectVgaOnly
;
625 return VisitAllPciInstances (DetectAndPreparePlatformPciDevicePath
);
630 PlatformBdsConnectConsole (
631 IN BDS_CONSOLE_CONNECT_ENTRY
*PlatformConsole
637 Connect the predefined platform default console device. Always try to find
638 and enable the vga device if have.
642 PlatformConsole - Predfined platform default console device array.
646 EFI_SUCCESS - Success connect at least one ConIn and ConOut
647 device, there must have one ConOut device is
650 EFI_STATUS - Return the status of
651 BdsLibConnectAllDefaultConsoles ()
657 EFI_DEVICE_PATH_PROTOCOL
*VarConout
;
658 EFI_DEVICE_PATH_PROTOCOL
*VarConin
;
659 UINTN DevicePathSize
;
662 // Connect RootBridge
664 VarConout
= BdsLibGetVariableAndSize (
666 &gEfiGlobalVariableGuid
,
669 VarConin
= BdsLibGetVariableAndSize (
671 &gEfiGlobalVariableGuid
,
675 if (VarConout
== NULL
|| VarConin
== NULL
) {
677 // Do platform specific PCI Device check and add them to ConOut, ConIn, ErrOut
679 DetectAndPreparePlatformPciDevicePaths (FALSE
);
682 // Have chance to connect the platform default console,
683 // the platform default console is the minimue device group
684 // the platform should support
686 for (Index
= 0; PlatformConsole
[Index
].DevicePath
!= NULL
; ++Index
) {
688 // Update the console variable with the connect type
690 if ((PlatformConsole
[Index
].ConnectType
& CONSOLE_IN
) == CONSOLE_IN
) {
691 BdsLibUpdateConsoleVariable (VarConsoleInp
, PlatformConsole
[Index
].DevicePath
, NULL
);
693 if ((PlatformConsole
[Index
].ConnectType
& CONSOLE_OUT
) == CONSOLE_OUT
) {
694 BdsLibUpdateConsoleVariable (VarConsoleOut
, PlatformConsole
[Index
].DevicePath
, NULL
);
696 if ((PlatformConsole
[Index
].ConnectType
& STD_ERROR
) == STD_ERROR
) {
697 BdsLibUpdateConsoleVariable (VarErrorOut
, PlatformConsole
[Index
].DevicePath
, NULL
);
702 // Only detect VGA device and add them to ConOut
704 DetectAndPreparePlatformPciDevicePaths (TRUE
);
708 // Connect the all the default console with current cosole variable
710 Status
= BdsLibConnectAllDefaultConsoles ();
711 if (EFI_ERROR (Status
)) {
724 // Bus 0, Device 0, Function 0 - Host to PCI Bridge
726 PciWrite8 (PCI_LIB_ADDRESS (0, 0, 0, 0x3c), 0x00);
729 // Bus 0, Device 1, Function 0 - PCI to ISA Bridge
731 PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x3c), 0x00);
732 PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x60), 0x0b); // LNKA routing target
733 PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x61), 0x0b); // LNKB routing target
734 PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x62), 0x0a); // LNKC routing target
735 PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x63), 0x0a); // LNKD routing target
738 // Bus 0, Device 1, Function 1 - IDE Controller
740 PciWrite8 (PCI_LIB_ADDRESS (0, 1, 1, 0x3c), 0x00);
741 PciWrite8 (PCI_LIB_ADDRESS (0, 1, 1, 0x0d), 0x40);
744 // Bus 0, Device 1, Function 3 - Power Managment Controller
746 PciWrite8 (PCI_LIB_ADDRESS (0, 1, 3, 0x3c), 0x09);
747 PciWrite8 (PCI_LIB_ADDRESS (0, 1, 3, 0x3d), 0x01); // INTA
750 // Bus 0, Device 2, Function 0 - Video Controller
752 PciWrite8 (PCI_LIB_ADDRESS (0, 2, 0, 0x3c), 0x00);
755 // Bus 0, Device 3, Function 0 - Network Controller
757 PciWrite8 (PCI_LIB_ADDRESS (0, 3, 0, 0x3c), 0x0a);
758 PciWrite8 (PCI_LIB_ADDRESS (0, 3, 0, 0x3d), 0x01); // INTA (-> LNKC)
761 // Bus 0, Device 5, Function 0 - RAM Memory
763 PciWrite8 (PCI_LIB_ADDRESS (0, 5, 0, 0x3c), 0x0b);
764 PciWrite8 (PCI_LIB_ADDRESS (0, 5, 0, 0x3d), 0x01); // INTA (-> LNKA)
774 // Set ACPI SCI_EN bit in PMCNTRL
776 IoOr16 ((PciRead32 (PCI_LIB_ADDRESS (0, 1, 3, 0x40)) & ~BIT0
) + 4, BIT0
);
782 ConnectRecursivelyIfPciMassStorage (
783 IN EFI_HANDLE Handle
,
784 IN EFI_PCI_IO_PROTOCOL
*Instance
,
785 IN PCI_TYPE00
*PciHeader
789 EFI_DEVICE_PATH_PROTOCOL
*DevicePath
;
792 if (IS_CLASS1 (PciHeader
, PCI_CLASS_MASS_STORAGE
)) {
794 Status
= gBS
->HandleProtocol (
796 &gEfiDevicePathProtocolGuid
,
799 if (EFI_ERROR (Status
)) {
806 DevPathStr
= DevicePathToStr (DevicePath
);
807 if (DevPathStr
!= NULL
) {
810 "Found Mass Storage device: %s\n",
813 FreePool(DevPathStr
);
816 Status
= gBS
->ConnectController (Handle
, NULL
, NULL
, TRUE
);
817 if (EFI_ERROR (Status
)) {
828 This notification function is invoked when the
829 EMU Variable FVB has been changed.
831 @param Event The event that occured
832 @param Context For EFI compatiblity. Not used.
837 EmuVariablesUpdatedCallback (
842 DEBUG ((EFI_D_INFO
, "EmuVariablesUpdatedCallback\n"));
843 UpdateNvVarsOnFileSystem ();
849 VisitingFileSystemInstance (
850 IN EFI_HANDLE Handle
,
856 STATIC BOOLEAN ConnectedToFileSystem
= FALSE
;
858 if (ConnectedToFileSystem
) {
859 return EFI_ALREADY_STARTED
;
862 Status
= ConnectNvVarsToFileSystem (Handle
);
863 if (EFI_ERROR (Status
)) {
867 ConnectedToFileSystem
= TRUE
;
869 EfiCreateProtocolNotifyEvent (
870 &gEfiDevicePathProtocolGuid
,
872 EmuVariablesUpdatedCallback
,
874 &mEmuVariableEventReg
876 PcdSet64 (PcdEmuVariableEvent
, (UINT64
)(UINTN
) mEmuVariableEvent
);
883 PlatformBdsRestoreNvVarsFromHardDisk (
886 VisitAllPciInstances (ConnectRecursivelyIfPciMassStorage
);
887 VisitAllInstancesOfProtocol (
888 &gEfiSimpleFileSystemProtocolGuid
,
889 VisitingFileSystemInstance
,
897 PlatformBdsConnectSequence (
904 Connect with predeined platform connect sequence,
905 the OEM/IBV can customize with their own connect sequence.
919 DEBUG ((EFI_D_INFO
, "PlatformBdsConnectSequence\n"));
924 // Here we can get the customized platform connect sequence
925 // Notes: we can connect with new variable which record the
926 // last time boots connect device path sequence
928 while (gPlatformConnectSequence
[Index
] != NULL
) {
930 // Build the platform boot option
932 BdsLibConnectDevicePath (gPlatformConnectSequence
[Index
]);
937 // Just use the simple policy to connect all devices
941 PciInitialization ();
942 AcpiInitialization ();
945 // Clear the logo after all devices are connected.
947 gST
->ConOut
->ClearScreen (gST
->ConOut
);
951 PlatformBdsGetDriverOption (
952 IN OUT LIST_ENTRY
*BdsDriverLists
958 Load the predefined driver option, OEM/IBV can customize this
959 to load their own drivers
963 BdsDriverLists - The header of the driver option link list.
971 DEBUG ((EFI_D_INFO
, "PlatformBdsGetDriverOption\n"));
976 PlatformBdsDiagnostics (
977 IN EXTENDMEM_COVERAGE_LEVEL MemoryTestLevel
,
978 IN BOOLEAN QuietBoot
,
979 IN BASEM_MEMORY_TEST BaseMemoryTest
985 Perform the platform diagnostic, such like test memory. OEM/IBV also
986 can customize this fuction to support specific platform diagnostic.
990 MemoryTestLevel - The memory test intensive level
992 QuietBoot - Indicate if need to enable the quiet boot
994 BaseMemoryTest - A pointer to BaseMemoryTest()
1004 DEBUG ((EFI_D_INFO
, "PlatformBdsDiagnostics\n"));
1007 // Here we can decide if we need to show
1008 // the diagnostics screen
1009 // Notes: this quiet boot code should be remove
1010 // from the graphic lib
1013 EnableQuietBoot (PcdGetPtr(PcdLogoFile
));
1015 // Perform system diagnostic
1017 Status
= BaseMemoryTest (MemoryTestLevel
);
1018 if (EFI_ERROR (Status
)) {
1019 DisableQuietBoot ();
1025 // Perform system diagnostic
1027 Status
= BaseMemoryTest (MemoryTestLevel
);
1033 PlatformBdsPolicyBehavior (
1034 IN OUT LIST_ENTRY
*DriverOptionList
,
1035 IN OUT LIST_ENTRY
*BootOptionList
,
1036 IN PROCESS_CAPSULES ProcessCapsules
,
1037 IN BASEM_MEMORY_TEST BaseMemoryTest
1041 Routine Description:
1043 The function will excute with as the platform policy, current policy
1044 is driven by boot mode. IBV/OEM can customize this code for their specific
1049 DriverOptionList - The header of the driver option link list
1051 BootOptionList - The header of the boot option link list
1053 ProcessCapsules - A pointer to ProcessCapsules()
1055 BaseMemoryTest - A pointer to BaseMemoryTest()
1065 EFI_EVENT UserInputDurationTime
;
1069 EFI_BOOT_MODE BootMode
;
1071 DEBUG ((EFI_D_INFO
, "PlatformBdsPolicyBehavior\n"));
1073 ConnectRootBridge ();
1075 if (PcdGetBool (PcdOvmfFlashVariablesEnable
)) {
1076 DEBUG ((EFI_D_INFO
, "PlatformBdsPolicyBehavior: not restoring NvVars "
1077 "from disk since flash variables appear to be supported.\n"));
1080 // Try to restore variables from the hard disk early so
1081 // they can be used for the other BDS connect operations.
1083 PlatformBdsRestoreNvVarsFromHardDisk ();
1087 // Init the time out value
1089 Timeout
= PcdGet16 (PcdPlatformBootTimeOut
);
1092 // Load the driver option as the driver option list
1094 PlatformBdsGetDriverOption (DriverOptionList
);
1097 // Get current Boot Mode
1099 Status
= BdsLibGetBootMode (&BootMode
);
1100 DEBUG ((EFI_D_ERROR
, "Boot Mode:%x\n", BootMode
));
1103 // Go the different platform policy with different boot mode
1104 // Notes: this part code can be change with the table policy
1106 ASSERT (BootMode
== BOOT_WITH_FULL_CONFIGURATION
);
1108 // Connect platform console
1110 Status
= PlatformBdsConnectConsole (gPlatformConsole
);
1111 if (EFI_ERROR (Status
)) {
1113 // Here OEM/IBV can customize with defined action
1115 PlatformBdsNoConsoleAction ();
1118 // Create a 300ms duration event to ensure user has enough input time to enter Setup
1120 Status
= gBS
->CreateEvent (
1125 &UserInputDurationTime
1127 ASSERT (Status
== EFI_SUCCESS
);
1128 Status
= gBS
->SetTimer (UserInputDurationTime
, TimerRelative
, 3000000);
1129 ASSERT (Status
== EFI_SUCCESS
);
1131 // Memory test and Logo show
1133 PlatformBdsDiagnostics (IGNORE
, TRUE
, BaseMemoryTest
);
1136 // Perform some platform specific connect sequence
1138 PlatformBdsConnectSequence ();
1141 // Process QEMU's -kernel command line option
1143 TryRunningQemuKernel ();
1145 DEBUG ((EFI_D_INFO
, "BdsLibConnectAll\n"));
1146 BdsLibConnectAll ();
1147 BdsLibEnumerateAllBootOption (BootOptionList
);
1149 SetBootOrderFromQemu (BootOptionList
);
1151 // The BootOrder variable may have changed, reload the in-memory list with
1154 BdsLibBuildOptionFromVar (BootOptionList
, L
"BootOrder");
1157 // To give the User a chance to enter Setup here, if user set TimeOut is 0.
1158 // BDS should still give user a chance to enter Setup
1160 // Check whether the user input after the duration time has expired
1162 OldTpl
= EfiGetCurrentTpl();
1163 gBS
->RestoreTPL (TPL_APPLICATION
);
1164 gBS
->WaitForEvent (1, &UserInputDurationTime
, &Index
);
1165 gBS
->CloseEvent (UserInputDurationTime
);
1166 Status
= gST
->ConIn
->ReadKeyStroke (gST
->ConIn
, &Key
);
1167 gBS
->RaiseTPL (OldTpl
);
1169 if (!EFI_ERROR (Status
)) {
1171 // Enter Setup if user input
1173 PlatformBdsEnterFrontPage (Timeout
, TRUE
);
1179 PlatformBdsBootSuccess (
1180 IN BDS_COMMON_OPTION
*Option
1184 Routine Description:
1186 Hook point after a boot attempt succeeds. We don't expect a boot option to
1187 return, so the EFI 1.0 specification defines that you will default to an
1188 interactive mode and stop processing the BootOrder list in this case. This
1189 is alos a platform implementation and can be customized by IBV/OEM.
1193 Option - Pointer to Boot Option that succeeded to boot.
1203 DEBUG ((EFI_D_INFO
, "PlatformBdsBootSuccess\n"));
1205 // If Boot returned with EFI_SUCCESS and there is not in the boot device
1206 // select loop then we need to pop up a UI and wait for user input.
1208 TmpStr
= Option
->StatusString
;
1209 if (TmpStr
!= NULL
) {
1210 BdsLibOutputStrings (gST
->ConOut
, TmpStr
, Option
->Description
, L
"\n\r", NULL
);
1217 PlatformBdsBootFail (
1218 IN BDS_COMMON_OPTION
*Option
,
1219 IN EFI_STATUS Status
,
1220 IN CHAR16
*ExitData
,
1221 IN UINTN ExitDataSize
1225 Routine Description:
1227 Hook point after a boot attempt fails.
1231 Option - Pointer to Boot Option that failed to boot.
1233 Status - Status returned from failed boot.
1235 ExitData - Exit data returned from failed boot.
1237 ExitDataSize - Exit data size returned from failed boot.
1247 DEBUG ((EFI_D_INFO
, "PlatformBdsBootFail\n"));
1250 // If Boot returned with failed status then we need to pop up a UI and wait
1253 TmpStr
= Option
->StatusString
;
1254 if (TmpStr
!= NULL
) {
1255 BdsLibOutputStrings (gST
->ConOut
, TmpStr
, Option
->Description
, L
"\n\r", NULL
);
1261 PlatformBdsNoConsoleAction (
1266 Routine Description:
1268 This function is remained for IBV/OEM to do some platform action,
1269 if there no console device can be connected.
1277 EFI_SUCCESS - Direct return success now.
1281 DEBUG ((EFI_D_INFO
, "PlatformBdsNoConsoleAction\n"));
1287 PlatformBdsLockNonUpdatableFlash (
1291 DEBUG ((EFI_D_INFO
, "PlatformBdsLockNonUpdatableFlash\n"));
1297 This notification function is invoked when an instance of the
1298 EFI_DEVICE_PATH_PROTOCOL is produced.
1300 @param Event The event that occured
1301 @param Context For EFI compatiblity. Not used.
1314 EFI_DEVICE_PATH_PROTOCOL
*DevPathNode
;
1315 ATAPI_DEVICE_PATH
*Atapi
;
1318 // Examine all new handles
1322 // Get the next handle
1324 BufferSize
= sizeof (Handle
);
1325 Status
= gBS
->LocateHandle (
1328 mEfiDevPathNotifyReg
,
1334 // If not found, we're done
1336 if (EFI_NOT_FOUND
== Status
) {
1340 if (EFI_ERROR (Status
)) {
1345 // Get the DevicePath protocol on that handle
1347 Status
= gBS
->HandleProtocol (Handle
, &gEfiDevicePathProtocolGuid
, (VOID
**)&DevPathNode
);
1348 ASSERT_EFI_ERROR (Status
);
1350 while (!IsDevicePathEnd (DevPathNode
)) {
1352 // Find the handler to dump this device path node
1355 (DevicePathType(DevPathNode
) == MESSAGING_DEVICE_PATH
) &&
1356 (DevicePathSubType(DevPathNode
) == MSG_ATAPI_DP
)
1358 Atapi
= (ATAPI_DEVICE_PATH
*) DevPathNode
;
1364 (Atapi
->PrimarySecondary
== 1) ? 0x42: 0x40
1371 // Next device path node
1373 DevPathNode
= NextDevicePathNode (DevPathNode
);
1382 InstallDevicePathCallback (
1386 DEBUG ((EFI_D_INFO
, "Registered NotifyDevPath Event\n"));
1387 mEfiDevPathEvent
= EfiCreateProtocolNotifyEvent (
1388 &gEfiDevicePathProtocolGuid
,
1392 &mEfiDevPathNotifyReg
1397 Lock the ConsoleIn device in system table. All key
1398 presses will be ignored until the Password is typed in. The only way to
1399 disable the password is to type it in to a ConIn device.
1401 @param Password Password used to lock ConIn device.
1403 @retval EFI_SUCCESS lock the Console In Spliter virtual handle successfully.
1404 @retval EFI_UNSUPPORTED Password not found
1413 return EFI_UNSUPPORTED
;