diff options
Diffstat (limited to 'Silicon/Hisilicon/Library/PlatformIntelBdsLib/IntelBdsPlatform.c')
| -rw-r--r-- | Silicon/Hisilicon/Library/PlatformIntelBdsLib/IntelBdsPlatform.c | 963 |
1 files changed, 963 insertions, 0 deletions
diff --git a/Silicon/Hisilicon/Library/PlatformIntelBdsLib/IntelBdsPlatform.c b/Silicon/Hisilicon/Library/PlatformIntelBdsLib/IntelBdsPlatform.c new file mode 100644 index 0000000000..dc23e46c1f --- /dev/null +++ b/Silicon/Hisilicon/Library/PlatformIntelBdsLib/IntelBdsPlatform.c @@ -0,0 +1,963 @@ +/** @file
+ Implementation for PlatformBdsLib library class interfaces.
+
+ Copyright (C) 2015, Red Hat, Inc.
+ Copyright (c) 2014, ARM Ltd. All rights reserved.<BR>
+ Copyright (c) 2004 - 2008, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2015, Hisilicon Limited. All rights reserved.
+ Copyright (c) 2015, Linaro Limited. 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.
+
+ Based on the files under ArmVirtPkg/Library/PlatformIntelBdsLib/
+
+**/
+
+#include <IndustryStandard/Pci22.h>
+#include <Library/DevicePathLib.h>
+#include <Library/GenericBdsLib.h>
+#include <Library/IpmiCmdLib.h>
+#include <Library/PcdLib.h>
+#include <Library/PlatformBdsLib.h>
+#include <Library/PrintLib.h>
+#include <Library/UefiLib.h>
+#include <Protocol/DevicePath.h>
+#include <Protocol/DevicePathToText.h>
+#include <Protocol/GraphicsOutput.h>
+#include <Protocol/PciIo.h>
+#include <Protocol/PciRootBridgeIo.h>
+#include <Guid/GlobalVariable.h>
+
+#include "IntelBdsPlatform.h"
+
+GUID gOemBootVaraibleGuid = {0xb7784577, 0x5aaf, 0x4557, {0xa1, 0x99,
+ 0xd4, 0xa4, 0x2f, 0x45, 0x06, 0xf8} };
+
+//3CEF354A-3B7A-4519-AD70-72A134698311
+GUID gEblFileGuid = {0x3CEF354A, 0x3B7A, 0x4519, {0xAD, 0x70,
+ 0x72, 0xA1, 0x34, 0x69, 0x83, 0x11} };
+
+// Need to keep the same with FlashStartOs.inf
+// 282cae50-940e-11e5-b7b8-774201c0f2d8
+GUID gFlashStartOsAppGuid = { 0x282cae50, 0x940e, 0x11e5, {0xb7, 0xb8,
+ 0x77, 0x42, 0x01, 0xc0, 0xf2, 0xd8} };
+
+// Need to keep the same with EslStartOs.inf
+// 8880a72c-9411-11e5-b6f0-97310bc151d1
+GUID gEslStartOsAppGuid = { 0x8880a72c, 0x9411, 0x11e5, {0xb6, 0xf0,
+ 0x97, 0x31, 0x0b, 0xc1, 0x51, 0xd1} };
+
+EFI_STATUS
+BdsDeleteAllInvalidEfiBootOption (
+ VOID
+ );
+
+#define DP_NODE_LEN(Type) { (UINT8)sizeof (Type), (UINT8)(sizeof (Type) >> 8) }
+
+
+#pragma pack (1)
+typedef struct {
+ VENDOR_DEVICE_PATH SerialDxe;
+ UART_DEVICE_PATH Uart;
+ VENDOR_DEFINED_DEVICE_PATH Vt100;
+ EFI_DEVICE_PATH_PROTOCOL End;
+} PLATFORM_SERIAL_CONSOLE;
+#pragma pack ()
+
+#define SERIAL_DXE_FILE_GUID { \
+ 0xD3987D4B, 0x971A, 0x435F, \
+ { 0x8C, 0xAF, 0x49, 0x67, 0xEB, 0x62, 0x72, 0x41 } \
+ }
+
+STATIC PLATFORM_SERIAL_CONSOLE mSerialConsole = {
+ //
+ // VENDOR_DEVICE_PATH SerialDxe
+ //
+ {
+ { HARDWARE_DEVICE_PATH, HW_VENDOR_DP, DP_NODE_LEN (VENDOR_DEVICE_PATH) },
+ SERIAL_DXE_FILE_GUID
+ },
+
+ //
+ // UART_DEVICE_PATH Uart
+ //
+ {
+ { MESSAGING_DEVICE_PATH, MSG_UART_DP, DP_NODE_LEN (UART_DEVICE_PATH) },
+ 0, // Reserved
+ FixedPcdGet64 (PcdUartDefaultBaudRate), // BaudRate
+ FixedPcdGet8 (PcdUartDefaultDataBits), // DataBits
+ FixedPcdGet8 (PcdUartDefaultParity), // Parity
+ FixedPcdGet8 (PcdUartDefaultStopBits) // StopBits
+ },
+
+ //
+ // VENDOR_DEFINED_DEVICE_PATH Vt100
+ //
+ {
+ {
+ MESSAGING_DEVICE_PATH, MSG_VENDOR_DP,
+ DP_NODE_LEN (VENDOR_DEFINED_DEVICE_PATH)
+ },
+ EFI_VT_100_GUID
+ },
+
+ //
+ // EFI_DEVICE_PATH_PROTOCOL End
+ //
+ {
+ END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE,
+ DP_NODE_LEN (EFI_DEVICE_PATH_PROTOCOL)
+ }
+};
+
+
+#pragma pack (1)
+typedef struct {
+ USB_CLASS_DEVICE_PATH Keyboard;
+ EFI_DEVICE_PATH_PROTOCOL End;
+} PLATFORM_USB_KEYBOARD;
+#pragma pack ()
+
+STATIC PLATFORM_USB_KEYBOARD mUsbKeyboard = {
+ //
+ // USB_CLASS_DEVICE_PATH Keyboard
+ //
+ {
+ {
+ MESSAGING_DEVICE_PATH, MSG_USB_CLASS_DP,
+ DP_NODE_LEN (USB_CLASS_DEVICE_PATH)
+ },
+ 0xFFFF, // VendorId: any
+ 0xFFFF, // ProductId: any
+ 3, // DeviceClass: HID
+ 1, // DeviceSubClass: boot
+ 1 // DeviceProtocol: keyboard
+ },
+
+ //
+ // EFI_DEVICE_PATH_PROTOCOL End
+ //
+ {
+ END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE,
+ DP_NODE_LEN (EFI_DEVICE_PATH_PROTOCOL)
+ }
+};
+
+STATIC
+UINT16
+GetBBSTypeFromFileSysPath (
+ IN CHAR16 *UsbPathTxt,
+ IN CHAR16 *FileSysPathTxt,
+ IN EFI_DEVICE_PATH_PROTOCOL *FileSysPath
+ )
+{
+ EFI_DEVICE_PATH_PROTOCOL *Node;
+
+ if (StrnCmp (UsbPathTxt, FileSysPathTxt, StrLen (UsbPathTxt)) == 0) {
+ Node = FileSysPath;
+ while (!IsDevicePathEnd (Node)) {
+ if ((DevicePathType (Node) == MEDIA_DEVICE_PATH) &&
+ (DevicePathSubType (Node) == MEDIA_CDROM_DP)) {
+ return BBS_TYPE_CDROM;
+ }
+ Node = NextDevicePathNode (Node);
+ }
+ }
+
+ return BBS_TYPE_UNKNOWN;
+}
+
+STATIC
+UINT16
+GetBBSTypeFromUsbPath (
+ IN CONST EFI_DEVICE_PATH_PROTOCOL *UsbPath
+ )
+{
+ EFI_STATUS Status;
+ EFI_HANDLE *FileSystemHandles;
+ UINTN NumberFileSystemHandles;
+ UINTN Index;
+ EFI_DEVICE_PATH_PROTOCOL *FileSysPath;
+ EFI_DEVICE_PATH_TO_TEXT_PROTOCOL *DevPathToText;
+ CHAR16 *UsbPathTxt;
+ CHAR16 *FileSysPathTxt;
+ UINT16 Result;
+
+ Status = gBS->LocateProtocol (&gEfiDevicePathToTextProtocolGuid, NULL, (VOID **) &DevPathToText);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "Locate DevicePathToTextPro %r\n", Status));
+ return BBS_TYPE_UNKNOWN;
+ }
+
+ Result = BBS_TYPE_UNKNOWN;
+ UsbPathTxt = DevPathToText->ConvertDevicePathToText (UsbPath, TRUE, TRUE);
+ if (UsbPathTxt == NULL) {
+ return Result;
+ }
+
+ Status = gBS->LocateHandleBuffer (
+ ByProtocol,
+ &gEfiSimpleFileSystemProtocolGuid,
+ NULL,
+ &NumberFileSystemHandles,
+ &FileSystemHandles
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "Locate SimpleFileSystemProtocol error(%r)\n", Status));
+ FreePool (UsbPathTxt);
+ return BBS_TYPE_UNKNOWN;
+ }
+
+ for (Index = 0; Index < NumberFileSystemHandles; Index++) {
+ FileSysPath = DevicePathFromHandle (FileSystemHandles[Index]);
+ FileSysPathTxt = DevPathToText->ConvertDevicePathToText (FileSysPath, TRUE, TRUE);
+
+ if (FileSysPathTxt == NULL) {
+ continue;
+ }
+
+ Result = GetBBSTypeFromFileSysPath (UsbPathTxt, FileSysPathTxt, FileSysPath);
+ FreePool (FileSysPathTxt);
+
+ if (Result != BBS_TYPE_UNKNOWN) {
+ break;
+ }
+ }
+
+ if (NumberFileSystemHandles != 0) {
+ FreePool (FileSystemHandles);
+ }
+
+ FreePool (UsbPathTxt);
+
+ return Result;
+}
+
+STATIC
+UINT16
+GetBBSTypeFromMessagingDevicePath (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
+ IN EFI_DEVICE_PATH_PROTOCOL *Node
+ )
+{
+ VENDOR_DEVICE_PATH *Vendor;
+ UINT16 Result;
+
+ Result = BBS_TYPE_UNKNOWN;
+
+ switch (DevicePathSubType (Node)) {
+ case MSG_MAC_ADDR_DP:
+ Result = BBS_TYPE_EMBEDDED_NETWORK;
+ break;
+
+ case MSG_USB_DP:
+ Result = GetBBSTypeFromUsbPath (DevicePath);
+ if (Result == BBS_TYPE_UNKNOWN) {
+ Result = BBS_TYPE_USB;
+ }
+ break;
+
+ case MSG_SATA_DP:
+ Result = BBS_TYPE_HARDDRIVE;
+ break;
+
+ case MSG_VENDOR_DP:
+ Vendor = (VENDOR_DEVICE_PATH *) (Node);
+ if ((&Vendor->Guid) != NULL) {
+ if (CompareGuid (&Vendor->Guid, &((EFI_GUID) DEVICE_PATH_MESSAGING_SAS))) {
+ Result = BBS_TYPE_HARDDRIVE;
+ }
+ }
+ break;
+
+ default:
+ Result = BBS_TYPE_UNKNOWN;
+ break;
+ }
+
+ return Result;
+}
+
+STATIC
+UINT16
+GetBBSTypeByDevicePath (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
+ )
+{
+ EFI_DEVICE_PATH_PROTOCOL *Node;
+ UINT16 Result;
+
+ Result = BBS_TYPE_UNKNOWN;
+ if (DevicePath == NULL) {
+ return Result;
+ }
+
+ Node = DevicePath;
+ while (!IsDevicePathEnd (Node)) {
+ switch (DevicePathType (Node)) {
+ case MEDIA_DEVICE_PATH:
+ if (DevicePathSubType (Node) == MEDIA_CDROM_DP) {
+ Result = BBS_TYPE_CDROM;
+ }
+ break;
+
+ case MESSAGING_DEVICE_PATH:
+ Result = GetBBSTypeFromMessagingDevicePath (DevicePath, Node);
+ break;
+
+ default:
+ Result = BBS_TYPE_UNKNOWN;
+ break;
+ }
+
+ if (Result != BBS_TYPE_UNKNOWN) {
+ break;
+ }
+
+ Node = NextDevicePathNode (Node);
+ }
+
+ return Result;
+}
+
+STATIC
+EFI_STATUS
+GetBmcBootOptionsSetting (
+ OUT IPMI_GET_BOOT_OPTION *BmcBootOpt
+ )
+{
+ EFI_STATUS Status;
+
+ Status = IpmiCmdGetSysBootOptions (BmcBootOpt);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "Get iBMC BootOpts %r!\n", Status));
+ return Status;
+ }
+
+ if (BmcBootOpt->BootFlagsValid != BOOT_OPTION_BOOT_FLAG_VALID) {
+ return EFI_NOT_FOUND;
+ }
+
+ if (BmcBootOpt->Persistent) {
+ BmcBootOpt->BootFlagsValid = BOOT_OPTION_BOOT_FLAG_VALID;
+ } else {
+ BmcBootOpt->BootFlagsValid = BOOT_OPTION_BOOT_FLAG_INVALID;
+ }
+
+ Status = IpmiCmdSetSysBootOptions (BmcBootOpt);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "Set iBMC BootOpts %r!\n", Status));
+ }
+
+ return Status;
+}
+
+STATIC
+VOID
+RestoreBootOrder (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+ UINT16 *BootOrder;
+ UINTN BootOrderSize;
+
+ GetVariable2 (L"BootOrderBackup", &gOemBootVaraibleGuid, (VOID **) &BootOrder, &BootOrderSize);
+ if (BootOrder == NULL) {
+ return ;
+ }
+
+ Print (L"Restore BootOrder(%d).\n", BootOrderSize / sizeof (UINT16));
+
+ Status = gRT->SetVariable (
+ L"BootOrder",
+ &gEfiGlobalVariableGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,
+ BootOrderSize,
+ BootOrder
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "SetVariable BootOrder %r!\n", Status));
+ }
+
+ Status = gRT->SetVariable (
+ L"BootOrderBackup",
+ &gOemBootVaraibleGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_NON_VOLATILE,
+ 0,
+ NULL
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "SetVariable BootOrderBackup %r!\n", Status));
+ }
+
+ FreePool (BootOrder);
+
+ return;
+}
+
+
+VOID
+RestoreBootOrderOnReadyToBoot (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+{
+ // restore BootOrder variable in normal condition.
+ RestoreBootOrder ();
+}
+
+STATIC
+VOID
+UpdateBootOrder (
+ IN UINT16 *NewOrder,
+ IN UINT16 *BootOrder,
+ IN UINTN BootOrderSize
+ )
+{
+ EFI_STATUS Status;
+ EFI_EVENT Event;
+
+ Status = gRT->SetVariable (
+ L"BootOrderBackup",
+ &gOemBootVaraibleGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_NON_VOLATILE,
+ BootOrderSize,
+ BootOrder
+ );
+ if (EFI_ERROR (Status)) {
+ return;
+ }
+
+ Status = gRT->SetVariable (
+ L"BootOrder",
+ &gEfiGlobalVariableGuid,
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,
+ BootOrderSize,
+ NewOrder
+ );
+ if (EFI_ERROR (Status)) {
+ return;
+ }
+
+ // Register notify function to restore BootOrder variable on ReadyToBoot Event.
+ Status = gBS->CreateEventEx (
+ EVT_NOTIFY_SIGNAL,
+ TPL_CALLBACK,
+ RestoreBootOrderOnReadyToBoot,
+ NULL,
+ &gEfiEventReadyToBootGuid,
+ &Event
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "Create ready to boot event %r!\n", Status));
+ }
+
+ return;
+}
+
+STATIC
+VOID
+SetBootOrder (
+ IN UINT16 BootType
+ )
+{
+ UINT16 *NewOrder;
+ UINT16 *RemainBoots;
+ UINT16 *BootOrder;
+ UINTN BootOrderSize;
+ CHAR16 OptionName[sizeof ("Boot####")];
+ UINTN Index;
+ LIST_ENTRY BootOptionList;
+ BDS_COMMON_OPTION *Option;
+ UINTN SelectCnt;
+ UINTN RemainCnt;
+
+ InitializeListHead (&BootOptionList);
+
+ GetEfiGlobalVariable2 (L"BootOrder", (VOID **) &BootOrder, &BootOrderSize);
+ if (BootOrder == NULL) {
+ return ;
+ }
+
+ NewOrder = AllocatePool (BootOrderSize);
+ RemainBoots = AllocatePool (BootOrderSize);
+ if ((NewOrder == NULL) || (RemainBoots == NULL)) {
+ DEBUG ((DEBUG_ERROR, "Out of resources."));
+ goto Exit;
+ }
+
+ SelectCnt = 0;
+ RemainCnt = 0;
+
+ for (Index = 0; Index < BootOrderSize / sizeof (UINT16); Index++) {
+ UnicodeSPrint (OptionName, sizeof (OptionName), L"Boot%04x", BootOrder[Index]);
+ Option = BdsLibVariableToOption (&BootOptionList, OptionName);
+ if (Option == NULL) {
+ DEBUG ((DEBUG_ERROR, "Boot%04x is invalid option!\n", BootOrder[Index]));
+ continue;
+ }
+
+ if (GetBBSTypeByDevicePath (Option->DevicePath) == BootType) {
+ NewOrder[SelectCnt++] = BootOrder[Index];
+ } else {
+ RemainBoots[RemainCnt++] = BootOrder[Index];
+ }
+ }
+
+ if (SelectCnt != 0) {
+ // append RemainBoots to NewOrder
+ for (Index = 0; Index < RemainCnt; Index++) {
+ NewOrder[SelectCnt + Index] = RemainBoots[Index];
+ }
+
+ if (CompareMem (NewOrder, BootOrder, BootOrderSize) != 0) {
+ UpdateBootOrder (NewOrder, BootOrder, BootOrderSize);
+ }
+ }
+
+Exit:
+ FreePool (BootOrder);
+ if (NewOrder != NULL) {
+ FreePool (NewOrder);
+ }
+ if (RemainBoots != NULL) {
+ FreePool (RemainBoots);
+ }
+
+ return ;
+}
+
+STATIC
+VOID
+HandleBmcBootType (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+ IPMI_GET_BOOT_OPTION BmcBootOpt;
+ UINT16 BootType;
+
+ Status = GetBmcBootOptionsSetting (&BmcBootOpt);
+ if (EFI_ERROR (Status)) {
+ return;
+ }
+
+ Print (L"Boot Type from BMC is %x\n", BmcBootOpt.BootDeviceSelector);
+
+ switch (BmcBootOpt.BootDeviceSelector) {
+ case ForcePxe:
+ BootType = BBS_TYPE_EMBEDDED_NETWORK;
+ break;
+
+ case ForcePrimaryRemovableMedia:
+ BootType = BBS_TYPE_USB;
+ break;
+
+ case ForceDefaultHardDisk:
+ BootType = BBS_TYPE_HARDDRIVE;
+ break;
+
+ case ForceDefaultCD:
+ BootType = BBS_TYPE_CDROM;
+ break;
+
+ default:
+ return;
+ }
+
+ SetBootOrder (BootType);
+}
+
+//
+// BDS Platform Functions
+//
+/**
+ Platform Bds init. Include the platform firmware vendor, revision
+ and so crc check.
+
+**/
+VOID
+EFIAPI
+PlatformBdsInit (
+ VOID
+ )
+{
+ //Signal EndofDxe Event
+ EfiEventGroupSignal(&gEfiEndOfDxeEventGroupGuid);
+
+ // restore BootOrder variable if previous BMC boot override attempt
+ // left it in a modified state
+ RestoreBootOrder ();
+}
+
+
+/**
+ Check if the handle satisfies a particular condition.
+
+ @param[in] Handle The handle to check.
+ @param[in] ReportText A caller-allocated string passed in for reporting
+ purposes. It must never be NULL.
+
+ @retval TRUE The condition is satisfied.
+ @retval FALSE Otherwise. This includes the case when the condition could not
+ be fully evaluated due to an error.
+**/
+typedef
+BOOLEAN
+(EFIAPI *FILTER_FUNCTION) (
+ IN EFI_HANDLE Handle,
+ IN CONST CHAR16 *ReportText
+ );
+
+
+/**
+ Process a handle.
+
+ @param[in] Handle The handle to process.
+ @param[in] ReportText A caller-allocated string passed in for reporting
+ purposes. It must never be NULL.
+**/
+typedef
+VOID
+(EFIAPI *CALLBACK_FUNCTION) (
+ IN EFI_HANDLE Handle,
+ IN CONST CHAR16 *ReportText
+ );
+
+/**
+ Locate all handles that carry the specified protocol, filter them with a
+ callback function, and pass each handle that passes the filter to another
+ callback.
+
+ @param[in] ProtocolGuid The protocol to look for.
+
+ @param[in] Filter The filter function to pass each handle to. If this
+ parameter is NULL, then all handles are processed.
+
+ @param[in] Process The callback function to pass each handle to that
+ clears the filter.
+**/
+STATIC
+VOID
+FilterAndProcess (
+ IN EFI_GUID *ProtocolGuid,
+ IN FILTER_FUNCTION Filter OPTIONAL,
+ IN CALLBACK_FUNCTION Process
+ )
+{
+ EFI_STATUS Status;
+ EFI_HANDLE *Handles;
+ UINTN NoHandles;
+ UINTN Idx;
+
+ Status = gBS->LocateHandleBuffer (ByProtocol, ProtocolGuid,
+ NULL /* SearchKey */, &NoHandles, &Handles);
+ if (EFI_ERROR (Status)) {
+ //
+ // This is not an error, just an informative condition.
+ //
+ DEBUG ((EFI_D_VERBOSE, "%a: %g: %r\n", __FUNCTION__, ProtocolGuid,
+ Status));
+ return;
+ }
+
+ ASSERT (NoHandles > 0);
+ for (Idx = 0; Idx < NoHandles; ++Idx) {
+ CHAR16 *DevicePathText;
+ STATIC CHAR16 Fallback[] = L"<device path unavailable>";
+
+ //
+ // The ConvertDevicePathToText() function handles NULL input transparently.
+ //
+ DevicePathText = ConvertDevicePathToText (
+ DevicePathFromHandle (Handles[Idx]),
+ FALSE, // DisplayOnly
+ FALSE // AllowShortcuts
+ );
+ if (DevicePathText == NULL) {
+ DevicePathText = Fallback;
+ }
+
+ if (Filter == NULL || Filter (Handles[Idx], DevicePathText)) {
+ Process (Handles[Idx], DevicePathText);
+ }
+
+ if (DevicePathText != Fallback) {
+ FreePool (DevicePathText);
+ }
+ }
+ gBS->FreePool (Handles);
+}
+
+
+/**
+ This FILTER_FUNCTION checks if a handle corresponds to a PCI display device.
+**/
+STATIC
+BOOLEAN
+EFIAPI
+IsPciDisplay (
+ IN EFI_HANDLE Handle,
+ IN CONST CHAR16 *ReportText
+ )
+{
+ EFI_STATUS Status;
+ EFI_PCI_IO_PROTOCOL *PciIo;
+ PCI_TYPE00 Pci;
+
+ Status = gBS->HandleProtocol (Handle, &gEfiPciIoProtocolGuid,
+ (VOID**)&PciIo);
+ if (EFI_ERROR (Status)) {
+ //
+ // This is not an error worth reporting.
+ //
+ return FALSE;
+ }
+
+ Status = PciIo->Pci.Read (PciIo, EfiPciIoWidthUint32, 0 /* Offset */,
+ sizeof Pci / sizeof (UINT32), &Pci);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "%a: %s: %r\n", __FUNCTION__, ReportText, Status));
+ return FALSE;
+ }
+
+ return IS_PCI_DISPLAY (&Pci);
+}
+
+
+/**
+ This CALLBACK_FUNCTION attempts to connect a handle non-recursively, asking
+ the matching driver to produce all first-level child handles.
+**/
+STATIC
+VOID
+EFIAPI
+Connect (
+ IN EFI_HANDLE Handle,
+ IN CONST CHAR16 *ReportText
+ )
+{
+ EFI_STATUS Status;
+
+ Status = gBS->ConnectController (
+ Handle, // ControllerHandle
+ NULL, // DriverImageHandle
+ NULL, // RemainingDevicePath -- produce all children
+ FALSE // Recursive
+ );
+ DEBUG ((EFI_ERROR (Status) ? EFI_D_ERROR : EFI_D_VERBOSE, "%a: %s: %r\n",
+ __FUNCTION__, ReportText, Status));
+}
+
+
+/**
+ This CALLBACK_FUNCTION retrieves the EFI_DEVICE_PATH_PROTOCOL from the
+ handle, and adds it to ConOut and ErrOut.
+**/
+STATIC
+VOID
+EFIAPI
+AddOutput (
+ IN EFI_HANDLE Handle,
+ IN CONST CHAR16 *ReportText
+ )
+{
+ EFI_STATUS Status;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+
+ DevicePath = DevicePathFromHandle (Handle);
+ if (DevicePath == NULL) {
+ DEBUG ((EFI_D_ERROR, "%a: %s: handle %p: device path not found\n",
+ __FUNCTION__, ReportText, Handle));
+ return;
+ }
+
+ Status = BdsLibUpdateConsoleVariable (L"ConOut", DevicePath, NULL);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "%a: %s: adding to ConOut: %r\n", __FUNCTION__,
+ ReportText, Status));
+ return;
+ }
+
+ Status = BdsLibUpdateConsoleVariable (L"ErrOut", DevicePath, NULL);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "%a: %s: adding to ErrOut: %r\n", __FUNCTION__,
+ ReportText, Status));
+ return;
+ }
+
+ DEBUG ((EFI_D_VERBOSE, "%a: %s: added to ConOut and ErrOut\n", __FUNCTION__,
+ ReportText));
+}
+
+
+/**
+ The function will execute with as the platform policy, current policy
+ is driven by boot mode. IBV/OEM can customize this code for their specific
+ policy action.
+
+ @param DriverOptionList The header of the driver option link list
+ @param BootOptionList The header of the boot option link list
+ @param ProcessCapsules A pointer to ProcessCapsules()
+ @param BaseMemoryTest A pointer to BaseMemoryTest()
+
+**/
+VOID
+EFIAPI
+PlatformBdsPolicyBehavior (
+ IN LIST_ENTRY *DriverOptionList,
+ IN LIST_ENTRY *BootOptionList,
+ IN PROCESS_CAPSULES ProcessCapsules,
+ IN BASEM_MEMORY_TEST BaseMemoryTest
+ )
+{
+ EFI_STATUS Status;
+ //
+ // Locate the PCI root bridges and make the PCI bus driver connect each,
+ // non-recursively. This will produce a number of child handles with PciIo on
+ // them.
+ //
+ FilterAndProcess (&gEfiPciRootBridgeIoProtocolGuid, NULL, Connect);
+
+ //
+ // Find all display class PCI devices (using the handles from the previous
+ // step), and connect them non-recursively. This should produce a number of
+ // child handles with GOPs on them.
+ //
+ FilterAndProcess (&gEfiPciIoProtocolGuid, IsPciDisplay, Connect);
+
+ //
+ // Now add the device path of all handles with GOP on them to ConOut and
+ // ErrOut.
+ //
+ FilterAndProcess (&gEfiGraphicsOutputProtocolGuid, NULL, AddOutput);
+
+ //
+ // Add the hardcoded short-form USB keyboard device path to ConIn.
+ //
+ BdsLibUpdateConsoleVariable (L"ConIn",
+ (EFI_DEVICE_PATH_PROTOCOL *)&mUsbKeyboard, NULL);
+
+ //
+ // Add the hardcoded serial console device path to ConIn, ConOut, ErrOut.
+ //
+ BdsLibUpdateConsoleVariable (L"ConIn",
+ (EFI_DEVICE_PATH_PROTOCOL *)&mSerialConsole, NULL);
+ BdsLibUpdateConsoleVariable (L"ConOut",
+ (EFI_DEVICE_PATH_PROTOCOL *)&mSerialConsole, NULL);
+ BdsLibUpdateConsoleVariable (L"ErrOut",
+ (EFI_DEVICE_PATH_PROTOCOL *)&mSerialConsole, NULL);
+
+ //
+ // Connect the consoles based on the above variables.
+ //
+ BdsLibConnectAllDefaultConsoles ();
+
+ //
+ // Show the splash screen.
+ //
+ EnableQuietBoot (PcdGetPtr (PcdLogoFile));
+
+ //
+ // Connect the rest of the devices.
+ //
+ BdsLibConnectAll ();
+
+ //
+ // Add memory test to convert memory above 4GB to be tested
+ //
+ Status = BaseMemoryTest (QUICK);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "[%a:%d] - Base memory test failed: %r\n", __FUNCTION__, __LINE__, Status));
+ }
+
+ //
+ // Process QEMU's -kernel command line option. Note that the kernel booted
+ // this way should receive ACPI tables, which is why we connect all devices
+ // first (see above) -- PCI enumeration blocks ACPI table installation, if
+ // there is a PCI host.
+ //
+ //TryRunningQemuKernel ();
+
+ BdsLibEnumerateAllBootOption (BootOptionList);
+
+ // Add Flash Start OS and ESL Start OS boot option
+ (VOID) HwBdsLibRegisterAppBootOption (BootOptionList, &gFlashStartOsAppGuid, L"Flash Start OS");
+ (VOID) HwBdsLibRegisterAppBootOption (BootOptionList, &gEslStartOsAppGuid, L"ESL Start OS");
+
+ // Add EBL as boot option
+ (VOID) HwBdsLibRegisterAppBootOption (BootOptionList, &gEblFileGuid, L"Embedded Boot Loader (EBL)");
+
+ // Remove EFI Misc Device Boot Options
+ BdsDeleteAllInvalidEfiBootOption ();
+
+ //SetBootOrderFromQemu (BootOptionList);
+ //
+ // The BootOrder variable may have changed, reload the in-memory list with
+ // it.
+ //
+ BdsLibBuildOptionFromVar (BootOptionList, L"BootOrder");
+
+ //PlatformBdsEnterFrontPage (GetFrontPageTimeoutFromQemu(), TRUE);
+ Print (L"Press Enter to boot OS immediately.\n");
+ Print (L"Press any other key in %d seconds to stop automatical booting...\n", PcdGet16(PcdPlatformBootTimeOut));
+ PlatformBdsEnterFrontPage (PcdGet16(PcdPlatformBootTimeOut), TRUE);
+ HandleBmcBootType ();
+}
+
+/**
+ Hook point after a boot attempt succeeds. We don't expect a boot option to
+ return, so the UEFI 2.0 specification defines that you will default to an
+ interactive mode and stop processing the BootOrder list in this case. This
+ is also a platform implementation and can be customized by IBV/OEM.
+
+ @param Option Pointer to Boot Option that succeeded to boot.
+
+**/
+VOID
+EFIAPI
+PlatformBdsBootSuccess (
+ IN BDS_COMMON_OPTION *Option
+ )
+{
+}
+
+/**
+ Hook point after a boot attempt fails.
+
+ @param Option Pointer to Boot Option that failed to boot.
+ @param Status Status returned from failed boot.
+ @param ExitData Exit data returned from failed boot.
+ @param ExitDataSize Exit data size returned from failed boot.
+
+**/
+VOID
+EFIAPI
+PlatformBdsBootFail (
+ IN BDS_COMMON_OPTION *Option,
+ IN EFI_STATUS Status,
+ IN CHAR16 *ExitData,
+ IN UINTN ExitDataSize
+ )
+{
+}
+
+/**
+ This function locks platform flash that is not allowed to be updated during normal boot path.
+ The flash layout is platform specific.
+**/
+VOID
+EFIAPI
+PlatformBdsLockNonUpdatableFlash (
+ VOID
+ )
+{
+ return;
+}
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