diff options
Diffstat (limited to 'IntelFrameworkModulePkg/Universal/BdsDxe/BootMaint/ConsoleOption.c')
| -rw-r--r-- | IntelFrameworkModulePkg/Universal/BdsDxe/BootMaint/ConsoleOption.c | 942 |
1 files changed, 942 insertions, 0 deletions
diff --git a/IntelFrameworkModulePkg/Universal/BdsDxe/BootMaint/ConsoleOption.c b/IntelFrameworkModulePkg/Universal/BdsDxe/BootMaint/ConsoleOption.c new file mode 100644 index 0000000000..da0a8389fa --- /dev/null +++ b/IntelFrameworkModulePkg/Universal/BdsDxe/BootMaint/ConsoleOption.c @@ -0,0 +1,942 @@ +/** @file
+ handles console redirection from boot manager
+
+Copyright (c) 2004 - 2008, Intel Corporation. <BR>
+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.
+
+**/
+
+#include "BootMaint.h"
+
+/**
+ Update Com Ports attributes from DevicePath
+
+ @param DevicePath DevicePath that contains Com ports
+
+ @retval EFI_SUCCESS The update is successful.
+
+**/
+EFI_STATUS
+UpdateComAttributeFromVariable (
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath
+ );
+
+/**
+ Update the multi-instance device path of Terminal Device based on
+ the global TerminalMenu. If ChangeTernimal is TRUE, the terminal
+ device path in the Terminal Device in TerminalMenu is also updated.
+
+ @param DevicePath The multi-instance device path.
+ @param ChangeTerminal TRUE, then device path in the Terminal Device
+ in TerminalMenu is also updated; FALSE, no update.
+
+ @return EFI_SUCCESS The function completes successfully.
+
+**/
+EFI_STATUS
+ChangeTerminalDevicePath (
+ IN OUT EFI_DEVICE_PATH_PROTOCOL *DevicePath,
+ IN BOOLEAN ChangeTerminal
+ )
+{
+ EFI_DEVICE_PATH_PROTOCOL *Node;
+ EFI_DEVICE_PATH_PROTOCOL *Node1;
+ ACPI_HID_DEVICE_PATH *Acpi;
+ UART_DEVICE_PATH *Uart;
+ UART_DEVICE_PATH *Uart1;
+ UINTN Com;
+ UINT32 Match;
+ BM_TERMINAL_CONTEXT *NewTerminalContext;
+ BM_MENU_ENTRY *NewMenuEntry;
+
+ Match = EISA_PNP_ID (0x0501);
+ Node = DevicePath;
+ Node = NextDevicePathNode (Node);
+ Com = 0;
+ while (!IsDevicePathEnd (Node)) {
+ if ((DevicePathType (Node) == ACPI_DEVICE_PATH) && (DevicePathSubType (Node) == ACPI_DP)) {
+ Acpi = (ACPI_HID_DEVICE_PATH *) Node;
+ if (CompareMem (&Acpi->HID, &Match, sizeof (UINT32)) == 0) {
+ CopyMem (&Com, &Acpi->UID, sizeof (UINT32));
+ }
+ }
+
+ NewMenuEntry = BOpt_GetMenuEntry (&TerminalMenu, Com);
+
+ NewTerminalContext = (BM_TERMINAL_CONTEXT *) NewMenuEntry->VariableContext;
+ if ((DevicePathType (Node) == MESSAGING_DEVICE_PATH) && (DevicePathSubType (Node) == MSG_UART_DP)) {
+ Uart = (UART_DEVICE_PATH *) Node;
+ CopyMem (
+ &Uart->BaudRate,
+ &NewTerminalContext->BaudRate,
+ sizeof (UINT64)
+ );
+
+ CopyMem (
+ &Uart->DataBits,
+ &NewTerminalContext->DataBits,
+ sizeof (UINT8)
+ );
+
+ CopyMem (
+ &Uart->Parity,
+ &NewTerminalContext->Parity,
+ sizeof (UINT8)
+ );
+
+ CopyMem (
+ &Uart->StopBits,
+ &NewTerminalContext->StopBits,
+ sizeof (UINT8)
+ );
+ //
+ // Change the device path in the ComPort
+ //
+ if (ChangeTerminal) {
+ Node1 = NewTerminalContext->DevicePath;
+ Node1 = NextDevicePathNode (Node1);
+ while (!IsDevicePathEnd (Node1)) {
+ if ((DevicePathType (Node1) == MESSAGING_DEVICE_PATH) && (DevicePathSubType (Node1) == MSG_UART_DP)) {
+ Uart1 = (UART_DEVICE_PATH *) Node1;
+ CopyMem (
+ &Uart1->BaudRate,
+ &NewTerminalContext->BaudRate,
+ sizeof (UINT64)
+ );
+
+ CopyMem (
+ &Uart1->DataBits,
+ &NewTerminalContext->DataBits,
+ sizeof (UINT8)
+ );
+
+ CopyMem (
+ &Uart1->Parity,
+ &NewTerminalContext->Parity,
+ sizeof (UINT8)
+ );
+
+ CopyMem (
+ &Uart1->StopBits,
+ &NewTerminalContext->StopBits,
+ sizeof (UINT8)
+ );
+ break;
+ }
+ //
+ // end if
+ //
+ Node1 = NextDevicePathNode (Node1);
+ }
+ //
+ // end while
+ //
+ break;
+ }
+ }
+
+ Node = NextDevicePathNode (Node);
+ }
+
+ return EFI_SUCCESS;
+
+}
+
+/**
+ Update the device path that describing a terminal device
+ based on the new BaudRate, Data Bits, parity and Stop Bits
+ set.
+
+ @param DevicePath terminal device's path
+
+**/
+VOID
+ChangeVariableDevicePath (
+ IN OUT EFI_DEVICE_PATH_PROTOCOL *DevicePath
+ )
+{
+ EFI_DEVICE_PATH_PROTOCOL *Node;
+ ACPI_HID_DEVICE_PATH *Acpi;
+ UART_DEVICE_PATH *Uart;
+ UINTN Com;
+ UINT32 Match;
+ BM_TERMINAL_CONTEXT *NewTerminalContext;
+ BM_MENU_ENTRY *NewMenuEntry;
+
+ Match = EISA_PNP_ID (0x0501);
+ Node = DevicePath;
+ Node = NextDevicePathNode (Node);
+ Com = 0;
+ while (!IsDevicePathEnd (Node)) {
+ if ((DevicePathType (Node) == ACPI_DEVICE_PATH) && (DevicePathSubType (Node) == ACPI_DP)) {
+ Acpi = (ACPI_HID_DEVICE_PATH *) Node;
+ if (CompareMem (&Acpi->HID, &Match, sizeof (UINT32)) == 0) {
+ CopyMem (&Com, &Acpi->UID, sizeof (UINT32));
+ }
+ }
+
+ if ((DevicePathType (Node) == MESSAGING_DEVICE_PATH) && (DevicePathSubType (Node) == MSG_UART_DP)) {
+ NewMenuEntry = BOpt_GetMenuEntry (
+ &TerminalMenu,
+ Com
+ );
+ ASSERT (NewMenuEntry != NULL);
+ NewTerminalContext = (BM_TERMINAL_CONTEXT *) NewMenuEntry->VariableContext;
+ Uart = (UART_DEVICE_PATH *) Node;
+ CopyMem (
+ &Uart->BaudRate,
+ &NewTerminalContext->BaudRate,
+ sizeof (UINT64)
+ );
+
+ CopyMem (
+ &Uart->DataBits,
+ &NewTerminalContext->DataBits,
+ sizeof (UINT8)
+ );
+
+ CopyMem (
+ &Uart->Parity,
+ &NewTerminalContext->Parity,
+ sizeof (UINT8)
+ );
+
+ CopyMem (
+ &Uart->StopBits,
+ &NewTerminalContext->StopBits,
+ sizeof (UINT8)
+ );
+ }
+
+ Node = NextDevicePathNode (Node);
+ }
+}
+
+/**
+ Retrieve ACPI UID of UART from device path
+
+ @param Handle The handle for the UART device.
+ @param AcpiUid The ACPI UID on output.
+
+ @retval TRUE Find valid UID from device path
+ @retval FALSE Can't find
+
+**/
+BOOLEAN
+RetrieveUartUid (
+ IN EFI_HANDLE Handle,
+ IN OUT UINT32 *AcpiUid
+ )
+{
+ UINT32 Match;
+ UINT8 *Ptr;
+ ACPI_HID_DEVICE_PATH *Acpi;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+
+ gBS->HandleProtocol (
+ Handle,
+ &gEfiDevicePathProtocolGuid,
+ (VOID **) &DevicePath
+ );
+ Ptr = (UINT8 *) DevicePath;
+
+ while (*Ptr != END_DEVICE_PATH_TYPE) {
+ Ptr++;
+ }
+
+ Ptr = Ptr - sizeof (UART_DEVICE_PATH) - sizeof (ACPI_HID_DEVICE_PATH);
+ Acpi = (ACPI_HID_DEVICE_PATH *) Ptr;
+ Match = EISA_PNP_ID (0x0501);
+
+ if (CompareMem (&Acpi->HID, &Match, sizeof (UINT32)) == 0) {
+ if (AcpiUid != NULL) {
+ *AcpiUid = Acpi->UID;
+ }
+ return TRUE;
+ } else {
+ return FALSE;
+ }
+}
+
+/**
+ Sort Uart handles array with Acpi->UID from low to high.
+
+ @param Handles EFI_SERIAL_IO_PROTOCOL handle buffer
+ @param NoHandles EFI_SERIAL_IO_PROTOCOL handle count
+**/
+VOID
+SortedUartHandle (
+ IN EFI_HANDLE *Handles,
+ IN UINTN NoHandles
+ )
+{
+ UINTN Index1;
+ UINTN Index2;
+ UINTN Position;
+ UINT32 AcpiUid1;
+ UINT32 AcpiUid2;
+ UINT32 TempAcpiUid;
+ EFI_HANDLE TempHandle;
+
+ for (Index1 = 0; Index1 < NoHandles-1; Index1++) {
+ if (!RetrieveUartUid (Handles[Index1], &AcpiUid1)) {
+ continue;
+ }
+ TempHandle = Handles[Index1];
+ Position = Index1;
+ TempAcpiUid = AcpiUid1;
+
+ for (Index2 = Index1+1; Index2 < NoHandles; Index2++) {
+ if (!RetrieveUartUid (Handles[Index2], &AcpiUid2)) {
+ continue;
+ }
+ if (AcpiUid2 < TempAcpiUid) {
+ TempAcpiUid = AcpiUid2;
+ TempHandle = Handles[Index2];
+ Position = Index2;
+ }
+ }
+ Handles[Position] = Handles[Index1];
+ Handles[Index1] = TempHandle;
+ }
+}
+
+/**
+ Test whether DevicePath is a valid Terminal
+
+
+ @param DevicePath DevicePath to be checked
+ @param Termi If DevicePath is valid Terminal, terminal type is returned.
+ @param Com If DevicePath is valid Terminal, Com Port type is returned.
+
+ @retval TRUE If DevicePath point to a Terminal.
+ @retval FALSE If DevicePath does not point to a Terminal.
+
+**/
+BOOLEAN
+IsTerminalDevicePath (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
+ OUT TYPE_OF_TERMINAL *Termi,
+ OUT UINTN *Com
+ );
+
+/**
+ Build a list containing all serial devices.
+
+
+ @retval EFI_SUCCESS The function complete successfully.
+ @retval EFI_UNSUPPORTED No serial ports present.
+
+**/
+EFI_STATUS
+LocateSerialIo (
+ VOID
+ )
+{
+ UINT8 *Ptr;
+ UINTN Index;
+ UINTN Index2;
+ UINTN NoHandles;
+ EFI_HANDLE *Handles;
+ EFI_STATUS Status;
+ ACPI_HID_DEVICE_PATH *Acpi;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+ UINT32 Match;
+ EFI_SERIAL_IO_PROTOCOL *SerialIo;
+ EFI_DEVICE_PATH_PROTOCOL *OutDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *InpDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *ErrDevicePath;
+ BM_MENU_ENTRY *NewMenuEntry;
+ BM_TERMINAL_CONTEXT *NewTerminalContext;
+ EFI_DEVICE_PATH_PROTOCOL *NewDevicePath;
+ VENDOR_DEVICE_PATH Vendor;
+ //
+ // Get all handles that have SerialIo protocol installed
+ //
+ InitializeListHead (&TerminalMenu.Head);
+ TerminalMenu.MenuNumber = 0;
+ Status = gBS->LocateHandleBuffer (
+ ByProtocol,
+ &gEfiSerialIoProtocolGuid,
+ NULL,
+ &NoHandles,
+ &Handles
+ );
+ if (EFI_ERROR (Status)) {
+ //
+ // No serial ports present
+ //
+ return EFI_UNSUPPORTED;
+ }
+
+ //
+ // Sort Uart handles array with Acpi->UID from low to high
+ // then Terminal menu can be built from low Acpi->UID to high Acpi->UID
+ //
+ SortedUartHandle (Handles, NoHandles);
+
+ for (Index = 0; Index < NoHandles; Index++) {
+ //
+ // Check to see whether the handle has DevicePath Protocol installed
+ //
+ gBS->HandleProtocol (
+ Handles[Index],
+ &gEfiDevicePathProtocolGuid,
+ (VOID **) &DevicePath
+ );
+ Ptr = (UINT8 *) DevicePath;
+ while (*Ptr != END_DEVICE_PATH_TYPE) {
+ Ptr++;
+ }
+
+ Ptr = Ptr - sizeof (UART_DEVICE_PATH) - sizeof (ACPI_HID_DEVICE_PATH);
+ Acpi = (ACPI_HID_DEVICE_PATH *) Ptr;
+ Match = EISA_PNP_ID (0x0501);
+
+ if (CompareMem (&Acpi->HID, &Match, sizeof (UINT32)) == 0) {
+ NewMenuEntry = BOpt_CreateMenuEntry (BM_TERMINAL_CONTEXT_SELECT);
+ if (NewMenuEntry == NULL) {
+ FreePool (Handles);
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ NewTerminalContext = (BM_TERMINAL_CONTEXT *) NewMenuEntry->VariableContext;
+ CopyMem (&NewMenuEntry->OptionNumber, &Acpi->UID, sizeof (UINT32));
+ NewTerminalContext->DevicePath = DuplicateDevicePath (DevicePath);
+ //
+ // BugBug: I have no choice, calling EfiLibStrFromDatahub will hang the system!
+ // coz' the misc data for each platform is not correct, actually it's the device path stored in
+ // datahub which is not completed, so a searching for end of device path will enter a
+ // dead-loop.
+ //
+ NewMenuEntry->DisplayString = EfiLibStrFromDatahub (DevicePath);
+ if (NULL == NewMenuEntry->DisplayString) {
+ NewMenuEntry->DisplayString = DevicePathToStr (DevicePath);
+ }
+
+ NewMenuEntry->HelpString = NULL;
+
+ gBS->HandleProtocol (
+ Handles[Index],
+ &gEfiSerialIoProtocolGuid,
+ (VOID **) &SerialIo
+ );
+
+ CopyMem (
+ &NewTerminalContext->BaudRate,
+ &SerialIo->Mode->BaudRate,
+ sizeof (UINT64)
+ );
+
+ CopyMem (
+ &NewTerminalContext->DataBits,
+ &SerialIo->Mode->DataBits,
+ sizeof (UINT8)
+ );
+
+ CopyMem (
+ &NewTerminalContext->Parity,
+ &SerialIo->Mode->Parity,
+ sizeof (UINT8)
+ );
+
+ CopyMem (
+ &NewTerminalContext->StopBits,
+ &SerialIo->Mode->StopBits,
+ sizeof (UINT8)
+ );
+ InsertTailList (&TerminalMenu.Head, &NewMenuEntry->Link);
+ TerminalMenu.MenuNumber++;
+ }
+ }
+ if (Handles != NULL) {
+ FreePool (Handles);
+ }
+
+ //
+ // Get L"ConOut", L"ConIn" and L"ErrOut" from the Var
+ //
+ OutDevicePath = EfiLibGetVariable (L"ConOut", &gEfiGlobalVariableGuid);
+ InpDevicePath = EfiLibGetVariable (L"ConIn", &gEfiGlobalVariableGuid);
+ ErrDevicePath = EfiLibGetVariable (L"ErrOut", &gEfiGlobalVariableGuid);
+ if (OutDevicePath != NULL) {
+ UpdateComAttributeFromVariable (OutDevicePath);
+ }
+
+ if (InpDevicePath != NULL) {
+ UpdateComAttributeFromVariable (InpDevicePath);
+ }
+
+ if (ErrDevicePath != NULL) {
+ UpdateComAttributeFromVariable (ErrDevicePath);
+ }
+
+ for (Index = 0; Index < TerminalMenu.MenuNumber; Index++) {
+ NewMenuEntry = BOpt_GetMenuEntry (&TerminalMenu, Index);
+ if (NULL == NewMenuEntry) {
+ return EFI_NOT_FOUND;
+ }
+
+ NewTerminalContext = (BM_TERMINAL_CONTEXT *) NewMenuEntry->VariableContext;
+
+ NewTerminalContext->TerminalType = 0;
+ NewTerminalContext->IsConIn = FALSE;
+ NewTerminalContext->IsConOut = FALSE;
+ NewTerminalContext->IsStdErr = FALSE;
+
+ Vendor.Header.Type = MESSAGING_DEVICE_PATH;
+ Vendor.Header.SubType = MSG_VENDOR_DP;
+
+ for (Index2 = 0; Index2 < 4; Index2++) {
+ CopyMem (&Vendor.Guid, &TerminalTypeGuid[Index2], sizeof (EFI_GUID));
+ SetDevicePathNodeLength (&Vendor.Header, sizeof (VENDOR_DEVICE_PATH));
+ NewDevicePath = AppendDevicePathNode (
+ NewTerminalContext->DevicePath,
+ (EFI_DEVICE_PATH_PROTOCOL *) &Vendor
+ );
+ if (NewMenuEntry->HelpString != NULL) {
+ FreePool (NewMenuEntry->HelpString);
+ }
+ //
+ // NewMenuEntry->HelpString = DevicePathToStr (NewDevicePath);
+ // NewMenuEntry->DisplayString = NewMenuEntry->HelpString;
+ //
+ NewMenuEntry->HelpString = NULL;
+
+ if (BdsLibMatchDevicePaths (OutDevicePath, NewDevicePath)) {
+ NewTerminalContext->IsConOut = TRUE;
+ NewTerminalContext->TerminalType = (UINT8) Index2;
+ }
+
+ if (BdsLibMatchDevicePaths (InpDevicePath, NewDevicePath)) {
+ NewTerminalContext->IsConIn = TRUE;
+ NewTerminalContext->TerminalType = (UINT8) Index2;
+ }
+
+ if (BdsLibMatchDevicePaths (ErrDevicePath, NewDevicePath)) {
+ NewTerminalContext->IsStdErr = TRUE;
+ NewTerminalContext->TerminalType = (UINT8) Index2;
+ }
+ }
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Update Com Ports attributes from DevicePath
+
+ @param DevicePath DevicePath that contains Com ports
+
+ @retval EFI_SUCCESS The update is successful.
+ @retval EFI_NOT_FOUND Can not find specific menu entry
+**/
+EFI_STATUS
+UpdateComAttributeFromVariable (
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath
+ )
+{
+ EFI_DEVICE_PATH_PROTOCOL *Node;
+ EFI_DEVICE_PATH_PROTOCOL *SerialNode;
+ ACPI_HID_DEVICE_PATH *Acpi;
+ UART_DEVICE_PATH *Uart;
+ UART_DEVICE_PATH *Uart1;
+ UINT32 Match;
+ UINTN TerminalNumber;
+ BM_MENU_ENTRY *NewMenuEntry;
+ BM_TERMINAL_CONTEXT *NewTerminalContext;
+ UINTN Index;
+
+ Match = EISA_PNP_ID (0x0501);
+ Node = DevicePath;
+ Node = NextDevicePathNode (Node);
+ TerminalNumber = 0;
+ for (Index = 0; Index < TerminalMenu.MenuNumber; Index++) {
+ while (!IsDevicePathEnd (Node)) {
+ if ((DevicePathType (Node) == ACPI_DEVICE_PATH) && (DevicePathSubType (Node) == ACPI_DP)) {
+ Acpi = (ACPI_HID_DEVICE_PATH *) Node;
+ if (CompareMem (&Acpi->HID, &Match, sizeof (UINT32)) == 0) {
+ CopyMem (&TerminalNumber, &Acpi->UID, sizeof (UINT32));
+ }
+ }
+
+ if ((DevicePathType (Node) == MESSAGING_DEVICE_PATH) && (DevicePathSubType (Node) == MSG_UART_DP)) {
+ Uart = (UART_DEVICE_PATH *) Node;
+ NewMenuEntry = BOpt_GetMenuEntry (&TerminalMenu, TerminalNumber);
+ if (NULL == NewMenuEntry) {
+ return EFI_NOT_FOUND;
+ }
+
+ NewTerminalContext = (BM_TERMINAL_CONTEXT *) NewMenuEntry->VariableContext;
+ CopyMem (
+ &NewTerminalContext->BaudRate,
+ &Uart->BaudRate,
+ sizeof (UINT64)
+ );
+
+ CopyMem (
+ &NewTerminalContext->DataBits,
+ &Uart->DataBits,
+ sizeof (UINT8)
+ );
+
+ CopyMem (
+ &NewTerminalContext->Parity,
+ &Uart->Parity,
+ sizeof (UINT8)
+ );
+
+ CopyMem (
+ &NewTerminalContext->StopBits,
+ &Uart->StopBits,
+ sizeof (UINT8)
+ );
+
+ SerialNode = NewTerminalContext->DevicePath;
+ SerialNode = NextDevicePathNode (SerialNode);
+ while (!IsDevicePathEnd (SerialNode)) {
+ if ((DevicePathType (SerialNode) == MESSAGING_DEVICE_PATH) && (DevicePathSubType (SerialNode) == MSG_UART_DP)) {
+ //
+ // Update following device paths according to
+ // previous acquired uart attributes
+ //
+ Uart1 = (UART_DEVICE_PATH *) SerialNode;
+ CopyMem (
+ &Uart1->BaudRate,
+ &NewTerminalContext->BaudRate,
+ sizeof (UINT64)
+ );
+
+ CopyMem (
+ &Uart1->DataBits,
+ &NewTerminalContext->DataBits,
+ sizeof (UINT8)
+ );
+ CopyMem (
+ &Uart1->Parity,
+ &NewTerminalContext->Parity,
+ sizeof (UINT8)
+ );
+ CopyMem (
+ &Uart1->StopBits,
+ &NewTerminalContext->StopBits,
+ sizeof (UINT8)
+ );
+
+ break;
+ }
+
+ SerialNode = NextDevicePathNode (SerialNode);
+ }
+ //
+ // end while
+ //
+ }
+
+ Node = NextDevicePathNode (Node);
+ }
+ //
+ // end while
+ //
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Build up Console Menu based on types passed in. The type can
+ be BM_CONSOLE_IN_CONTEXT_SELECT, BM_CONSOLE_OUT_CONTEXT_SELECT
+ and BM_CONSOLE_ERR_CONTEXT_SELECT.
+
+ @param ConsoleMenuType Can be BM_CONSOLE_IN_CONTEXT_SELECT, BM_CONSOLE_OUT_CONTEXT_SELECT
+ and BM_CONSOLE_ERR_CONTEXT_SELECT.
+
+ @retval EFI_UNSUPPORTED The type passed in is not in the 3 types defined.
+ @retval EFI_NOT_FOUND If the EFI Variable defined in UEFI spec with name "ConOutDev",
+ "ConInDev" or "ConErrDev" doesn't exists.
+ @retval EFI_OUT_OF_RESOURCES Not enough resource to complete the operations.
+ @retval EFI_SUCCESS Function completes successfully.
+
+**/
+EFI_STATUS
+GetConsoleMenu (
+ IN UINTN ConsoleMenuType
+ )
+{
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *AllDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *MultiDevicePath;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePathInst;
+ UINTN Size;
+ UINTN AllCount;
+ UINTN Index;
+ UINTN Index2;
+ BM_MENU_ENTRY *NewMenuEntry;
+ BM_CONSOLE_CONTEXT *NewConsoleContext;
+ TYPE_OF_TERMINAL Terminal;
+ UINTN Com;
+ BM_MENU_OPTION *ConsoleMenu;
+
+ DevicePath = NULL;
+ AllDevicePath = NULL;
+ AllCount = 0;
+ switch (ConsoleMenuType) {
+ case BM_CONSOLE_IN_CONTEXT_SELECT:
+ ConsoleMenu = &ConsoleInpMenu;
+ DevicePath = EfiLibGetVariable (
+ L"ConIn",
+ &gEfiGlobalVariableGuid
+ );
+
+ AllDevicePath = EfiLibGetVariable (
+ L"ConInDev",
+ &gEfiGlobalVariableGuid
+ );
+ break;
+
+ case BM_CONSOLE_OUT_CONTEXT_SELECT:
+ ConsoleMenu = &ConsoleOutMenu;
+ DevicePath = EfiLibGetVariable (
+ L"ConOut",
+ &gEfiGlobalVariableGuid
+ );
+
+ AllDevicePath = EfiLibGetVariable (
+ L"ConOutDev",
+ &gEfiGlobalVariableGuid
+ );
+ break;
+
+ case BM_CONSOLE_ERR_CONTEXT_SELECT:
+ ConsoleMenu = &ConsoleErrMenu;
+ DevicePath = EfiLibGetVariable (
+ L"ErrOut",
+ &gEfiGlobalVariableGuid
+ );
+
+ AllDevicePath = EfiLibGetVariable (
+ L"ErrOutDev",
+ &gEfiGlobalVariableGuid
+ );
+ break;
+
+ default:
+ return EFI_UNSUPPORTED;
+ }
+
+ if (NULL == AllDevicePath) {
+ return EFI_NOT_FOUND;
+ }
+
+ InitializeListHead (&ConsoleMenu->Head);
+
+ AllCount = EfiDevicePathInstanceCount (AllDevicePath);
+ ConsoleMenu->MenuNumber = 0;
+ //
+ // Following is menu building up for Console Devices selected.
+ //
+ MultiDevicePath = AllDevicePath;
+ Index2 = 0;
+ for (Index = 0; Index < AllCount; Index++) {
+ DevicePathInst = GetNextDevicePathInstance (&MultiDevicePath, &Size);
+
+ NewMenuEntry = BOpt_CreateMenuEntry (BM_CONSOLE_CONTEXT_SELECT);
+ if (NULL == NewMenuEntry) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ NewConsoleContext = (BM_CONSOLE_CONTEXT *) NewMenuEntry->VariableContext;
+ NewMenuEntry->OptionNumber = Index2;
+
+ NewConsoleContext->DevicePath = DuplicateDevicePath (DevicePathInst);
+ NewMenuEntry->DisplayString = EfiLibStrFromDatahub (NewConsoleContext->DevicePath);
+ if (NULL == NewMenuEntry->DisplayString) {
+ NewMenuEntry->DisplayString = DevicePathToStr (NewConsoleContext->DevicePath);
+ }
+
+ NewConsoleContext->IsTerminal = IsTerminalDevicePath (
+ NewConsoleContext->DevicePath,
+ &Terminal,
+ &Com
+ );
+
+ NewConsoleContext->IsActive = BdsLibMatchDevicePaths (
+ DevicePath,
+ NewConsoleContext->DevicePath
+ );
+
+ if (NewConsoleContext->IsTerminal) {
+ BOpt_DestroyMenuEntry (NewMenuEntry);
+ } else {
+ Index2++;
+ ConsoleMenu->MenuNumber++;
+ InsertTailList (&ConsoleMenu->Head, &NewMenuEntry->Link);
+ }
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Build up ConsoleOutMenu, ConsoleInpMenu and ConsoleErrMenu
+
+ @retval EFI_SUCCESS The function always complete successfully.
+
+**/
+EFI_STATUS
+GetAllConsoles (
+ VOID
+ )
+{
+ GetConsoleMenu (BM_CONSOLE_IN_CONTEXT_SELECT);
+ GetConsoleMenu (BM_CONSOLE_OUT_CONTEXT_SELECT);
+ GetConsoleMenu (BM_CONSOLE_ERR_CONTEXT_SELECT);
+ return EFI_SUCCESS;
+}
+
+/**
+ Free ConsoleOutMenu, ConsoleInpMenu and ConsoleErrMenu
+
+ @retval EFI_SUCCESS The function always complete successfully.
+**/
+EFI_STATUS
+FreeAllConsoles (
+ VOID
+ )
+{
+ BOpt_FreeMenu (&ConsoleOutMenu);
+ BOpt_FreeMenu (&ConsoleInpMenu);
+ BOpt_FreeMenu (&ConsoleErrMenu);
+ BOpt_FreeMenu (&TerminalMenu);
+ return EFI_SUCCESS;
+}
+
+/**
+ Test whether DevicePath is a valid Terminal
+
+
+ @param DevicePath DevicePath to be checked
+ @param Termi If DevicePath is valid Terminal, terminal type is returned.
+ @param Com If DevicePath is valid Terminal, Com Port type is returned.
+
+ @retval TRUE If DevicePath point to a Terminal.
+ @retval FALSE If DevicePath does not point to a Terminal.
+
+**/
+BOOLEAN
+IsTerminalDevicePath (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
+ OUT TYPE_OF_TERMINAL *Termi,
+ OUT UINTN *Com
+ )
+{
+ UINT8 *Ptr;
+ BOOLEAN IsTerminal;
+ VENDOR_DEVICE_PATH *Vendor;
+ ACPI_HID_DEVICE_PATH *Acpi;
+ UINT32 Match;
+ EFI_GUID TempGuid;
+
+ IsTerminal = FALSE;
+
+ //
+ // Parse the Device Path, should be change later!!!
+ //
+ Ptr = (UINT8 *) DevicePath;
+ while (*Ptr != END_DEVICE_PATH_TYPE) {
+ Ptr++;
+ }
+
+ Ptr = Ptr - sizeof (VENDOR_DEVICE_PATH);
+ Vendor = (VENDOR_DEVICE_PATH *) Ptr;
+
+ //
+ // There are four kinds of Terminal types
+ // check to see whether this devicepath
+ // is one of that type
+ //
+ CopyMem (&TempGuid, &Vendor->Guid, sizeof (EFI_GUID));
+
+ if (CompareGuid (&TempGuid, &TerminalTypeGuid[0])) {
+ *Termi = PC_ANSI;
+ IsTerminal = TRUE;
+ } else {
+ if (CompareGuid (&TempGuid, &TerminalTypeGuid[1])) {
+ *Termi = VT_100;
+ IsTerminal = TRUE;
+ } else {
+ if (CompareGuid (&TempGuid, &TerminalTypeGuid[2])) {
+ *Termi = VT_100_PLUS;
+ IsTerminal = TRUE;
+ } else {
+ if (CompareGuid (&TempGuid, &TerminalTypeGuid[3])) {
+ *Termi = VT_UTF8;
+ IsTerminal = TRUE;
+ } else {
+ IsTerminal = FALSE;
+ }
+ }
+ }
+ }
+
+ if (!IsTerminal) {
+ return FALSE;
+ }
+
+ Ptr = Ptr - sizeof (UART_DEVICE_PATH) - sizeof (ACPI_HID_DEVICE_PATH);
+ Acpi = (ACPI_HID_DEVICE_PATH *) Ptr;
+ Match = EISA_PNP_ID (0x0501);
+ if (CompareMem (&Acpi->HID, &Match, sizeof (UINT32)) == 0) {
+ CopyMem (Com, &Acpi->UID, sizeof (UINT32));
+ } else {
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+/**
+ Get mode number according to column and row
+
+ @param CallbackData The BMM context data.
+**/
+VOID
+GetConsoleOutMode (
+ IN BMM_CALLBACK_DATA *CallbackData
+ )
+{
+ UINTN Col;
+ UINTN Row;
+ UINTN CurrentCol;
+ UINTN CurrentRow;
+ UINTN Mode;
+ UINTN MaxMode;
+ EFI_STATUS Status;
+ CONSOLE_OUT_MODE *ModeInfo;
+ EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *ConOut;
+
+ ConOut = gST->ConOut;
+ MaxMode = (UINTN) (ConOut->Mode->MaxMode);
+ ModeInfo = EfiLibGetVariable (VAR_CON_OUT_MODE, &gEfiGenericPlatformVariableGuid);
+
+ if (ModeInfo != NULL) {
+ CurrentCol = ModeInfo->Column;
+ CurrentRow = ModeInfo->Row;
+ for (Mode = 0; Mode < MaxMode; Mode++) {
+ Status = ConOut->QueryMode (ConOut, Mode, &Col, &Row);
+ if (!EFI_ERROR(Status)) {
+ if (CurrentCol == Col && CurrentRow == Row) {
+ CallbackData->BmmFakeNvData.ConsoleOutMode = (UINT16) Mode;
+ break;
+ }
+ }
+ }
+ FreePool (ModeInfo);
+ }
+}
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