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audk/MdeModulePkg/Universal/BdsDxe/BootMaint/ConsoleOption.c

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/** @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"
/**
EDES_TODO: Add function description
@param DevPath EDES_TODO: Add parameter description
@return EDES_TODO: Add description for return value
**/
EFI_DEVICE_PATH_PROTOCOL *
DevicePathInstanceDup (
IN EFI_DEVICE_PATH_PROTOCOL *DevPath
);
/**
EDES_TODO: Add function description
@param DevicePath EDES_TODO: Add parameter description
@return EDES_TODO: Add description for return value
**/
EFI_STATUS
UpdateComAttributeFromVariable (
EFI_DEVICE_PATH_PROTOCOL *DevicePath
);
/**
EDES_TODO: Add function description
@param DevicePath EDES_TODO: Add parameter description
@param ChangeTerminal EDES_TODO: Add parameter description
@return EDES_TODO: Add description for return value
**/
EFI_STATUS
ChangeTerminalDevicePath (
EFI_DEVICE_PATH_PROTOCOL *DevicePath,
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);
if (NULL == NewMenuEntry) {
return EFI_NOT_FOUND;
}
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;
}
/**
EDES_TODO: Add function description
@param DevicePath EDES_TODO: Add parameter description
@return EDES_TODO: Add description for return value
**/
VOID
ChangeVariableDevicePath (
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);
}
return ;
}
/**
Retrieve ACPI UID of UART from device path
@param Handle EDES_TODO: Add parameter description
@param AcpiUid EDES_TODO: Add parameter description
@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
EDES_TODO: Incomplete Descriptions None
**/
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;
}
}
/**
EDES_TODO: Add function description
@param DevicePath EDES_TODO: Add parameter description
@param Termi EDES_TODO: Add parameter description
@param Com EDES_TODO: Add parameter description
@return EDES_TODO: Add description for return value
**/
BOOLEAN
IsTerminalDevicePath (
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
OUT TYPE_OF_TERMINAL *Termi,
OUT UINTN *Com
);
/**
Build a list containing all serial devices
@param VOID EDES_TODO: Add parameter description
@return EDES_TODO: Add description for return value
**/
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) {
SafeFreePool (Handles);
return EFI_OUT_OF_RESOURCES;
}
NewTerminalContext = (BM_TERMINAL_CONTEXT *) NewMenuEntry->VariableContext;
CopyMem (&NewMenuEntry->OptionNumber, &Acpi->UID, sizeof (UINT32));
NewTerminalContext->DevicePath = DevicePathInstanceDup (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++;
}
}
SafeFreePool (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) {
UpdateComAttributeFromVariable (OutDevicePath);
}
if (InpDevicePath) {
UpdateComAttributeFromVariable (InpDevicePath);
}
if (ErrDevicePath) {
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, &Guid[Index2], sizeof (EFI_GUID));
SetDevicePathNodeLength (&Vendor.Header, sizeof (VENDOR_DEVICE_PATH));
NewDevicePath = AppendDevicePathNode (
NewTerminalContext->DevicePath,
(EFI_DEVICE_PATH_PROTOCOL *) &Vendor
);
SafeFreePool (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
@return EDES_TODO: Add description for return value
**/
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;
}
/**
Function creates a device path data structure that identically matches the
device path passed in.
@param DevPath A pointer to a device path data structure.
EDES_TODO: Incomplete Descriptions The new copy of DevPath is created to identically match the input.
EDES_TODO: Incomplete Descriptions Otherwise, NULL is returned.
**/
EFI_DEVICE_PATH_PROTOCOL *
DevicePathInstanceDup (
IN EFI_DEVICE_PATH_PROTOCOL *DevPath
)
{
EFI_DEVICE_PATH_PROTOCOL *NewDevPath;
EFI_DEVICE_PATH_PROTOCOL *DevicePathInst;
EFI_DEVICE_PATH_PROTOCOL *Temp;
UINT8 *Ptr;
UINTN Size;
//
// get the size of an instance from the input
//
Temp = DevPath;
DevicePathInst = GetNextDevicePathInstance (&Temp, &Size);
//
// Make a copy and set proper end type
//
NewDevPath = NULL;
if (Size) {
NewDevPath = EfiAllocateZeroPool (Size);
ASSERT (NewDevPath != NULL);
}
if (NewDevPath) {
CopyMem (NewDevPath, DevicePathInst, Size);
Ptr = (UINT8 *) NewDevPath;
Ptr += Size - sizeof (EFI_DEVICE_PATH_PROTOCOL);
Temp = (EFI_DEVICE_PATH_PROTOCOL *) Ptr;
SetDevicePathEndNode (Temp);
}
return NewDevPath;
}
/**
EDES_TODO: Add function description
@param ConsoleMenuType EDES_TODO: Add parameter description
@return EDES_TODO: Add description for return value
**/
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 Out Devices
//
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 = DevicePathInstanceDup (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
@param VOID EDES_TODO: Add parameter description
EDES_TODO: Incomplete Descriptions EFI_SUCCESS
EDES_TODO: Incomplete Descriptions Others
**/
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
@param VOID EDES_TODO: Add parameter description
EDES_TODO: Incomplete Descriptions EFI_SUCCESS
EDES_TODO: Incomplete Descriptions Others
**/
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 is terminal, give its type
@param Com If is Com Port, give its type
@retval TRUE If DevicePath point to a Terminal
FALSE
**/
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, &Guid[0])) {
*Termi = PC_ANSI;
IsTerminal = TRUE;
} else {
if (CompareGuid (&TempGuid, &Guid[1])) {
*Termi = VT_100;
IsTerminal = TRUE;
} else {
if (CompareGuid (&TempGuid, &Guid[2])) {
*Termi = VT_100_PLUS;
IsTerminal = TRUE;
} else {
if (CompareGuid (&TempGuid, &Guid[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 BMM_CALLBACK_DATA
EDES_TODO: Incomplete Descriptions None.
**/
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 (VarConOutMode, &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;
}
}
}
}
SafeFreePool (ModeInfo);
}
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