Clean up BDS lib to remove assembly files, remove R8Lib.h & R8Lib.c by applying Mde Lib.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5020 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
@@ -1,396 +1,386 @@
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/** @file
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Copyright (c) 2004 - 2007, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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||||
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name:
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BdsConsole.c
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Abstract:
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BDS Lib functions which contain all the code to connect console device
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**/
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#include "InternalBdsLib.h"
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BOOLEAN
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IsNvNeed (
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IN CHAR16 *ConVarName
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)
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{
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CHAR16 *Ptr;
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Ptr = ConVarName;
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//
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// If the variable includes "Dev" at last, we consider
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// it does not support NV attribute.
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//
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while (*Ptr) {
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Ptr++;
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}
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if ((*(Ptr-3) == 'D') && (*(Ptr-2) == 'e') && (*(Ptr-1) == 'v')) {
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return FALSE;
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} else {
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return TRUE;
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}
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}
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/**
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This function update console variable based on ConVarName, it can
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add or remove one specific console device path from the variable
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@param ConVarName Console related variable name, ConIn, ConOut,
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ErrOut.
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@param CustomizedConDevicePath The console device path which will be added to
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the console variable ConVarName, this parameter
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can not be multi-instance.
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@param ExclusiveDevicePath The console device path which will be removed
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from the console variable ConVarName, this
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parameter can not be multi-instance.
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@retval EFI_UNSUPPORTED Add or remove the same device path.
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@retval EFI_SUCCESS Success add or remove the device path from the
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console variable.
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**/
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EFI_STATUS
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BdsLibUpdateConsoleVariable (
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IN CHAR16 *ConVarName,
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IN EFI_DEVICE_PATH_PROTOCOL *CustomizedConDevicePath,
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IN EFI_DEVICE_PATH_PROTOCOL *ExclusiveDevicePath
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)
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{
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EFI_DEVICE_PATH_PROTOCOL *VarConsole;
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UINTN DevicePathSize;
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EFI_DEVICE_PATH_PROTOCOL *NewDevicePath;
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EFI_DEVICE_PATH_PROTOCOL *TempNewDevicePath;
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UINT32 Attributes;
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VarConsole = NULL;
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DevicePathSize = 0;
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//
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// Notes: check the device path point, here should check
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// with compare memory
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//
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if (CustomizedConDevicePath == ExclusiveDevicePath) {
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return EFI_UNSUPPORTED;
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}
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//
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// Delete the ExclusiveDevicePath from current default console
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//
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VarConsole = BdsLibGetVariableAndSize (
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ConVarName,
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&gEfiGlobalVariableGuid,
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&DevicePathSize
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);
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//
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// Initialize NewDevicePath
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//
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NewDevicePath = VarConsole;
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//
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// If ExclusiveDevicePath is even the part of the instance in VarConsole, delete it.
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// In the end, NewDevicePath is the final device path.
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//
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if (ExclusiveDevicePath != NULL && VarConsole != NULL) {
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NewDevicePath = BdsLibDelPartMatchInstance (VarConsole, ExclusiveDevicePath);
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}
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//
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// Try to append customized device path to NewDevicePath.
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//
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if (CustomizedConDevicePath != NULL) {
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if (!BdsLibMatchDevicePaths (NewDevicePath, CustomizedConDevicePath)) {
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//
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// Check if there is part of CustomizedConDevicePath in NewDevicePath, delete it.
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//
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NewDevicePath = BdsLibDelPartMatchInstance (NewDevicePath, CustomizedConDevicePath);
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//
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// In the first check, the default console variable will be _ModuleEntryPoint,
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// just append current customized device path
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//
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TempNewDevicePath = NewDevicePath;
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NewDevicePath = AppendDevicePathInstance (NewDevicePath, CustomizedConDevicePath);
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SafeFreePool(TempNewDevicePath);
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}
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}
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//
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// The attribute for ConInDev, ConOutDev and ErrOutDev does not include NV.
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//
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if (IsNvNeed(ConVarName)) {
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//
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// ConVarName has NV attribute.
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//
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Attributes = EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE;
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} else {
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//
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// ConVarName does not have NV attribute.
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//
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Attributes = EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS;
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}
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//
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// Finally, Update the variable of the default console by NewDevicePath
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//
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gRT->SetVariable (
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ConVarName,
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&gEfiGlobalVariableGuid,
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Attributes,
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GetDevicePathSize (NewDevicePath),
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NewDevicePath
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);
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if (VarConsole == NewDevicePath) {
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SafeFreePool(VarConsole);
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} else {
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SafeFreePool(VarConsole);
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SafeFreePool(NewDevicePath);
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}
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return EFI_SUCCESS;
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}
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/**
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Connect the console device base on the variable ConVarName, if
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device path of the ConVarName is multi-instance device path, if
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anyone of the instances is connected success, then this function
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will return success.
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@param ConVarName Console related variable name, ConIn, ConOut,
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ErrOut.
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@retval EFI_NOT_FOUND There is not any console devices connected
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success
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@retval EFI_SUCCESS Success connect any one instance of the console
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device path base on the variable ConVarName.
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**/
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EFI_STATUS
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BdsLibConnectConsoleVariable (
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IN CHAR16 *ConVarName
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)
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{
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EFI_STATUS Status;
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EFI_DEVICE_PATH_PROTOCOL *StartDevicePath;
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UINTN VariableSize;
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EFI_DEVICE_PATH_PROTOCOL *Instance;
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EFI_DEVICE_PATH_PROTOCOL *Next;
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EFI_DEVICE_PATH_PROTOCOL *CopyOfDevicePath;
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UINTN Size;
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BOOLEAN DeviceExist;
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Status = EFI_SUCCESS;
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DeviceExist = FALSE;
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//
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// Check if the console variable exist
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//
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StartDevicePath = BdsLibGetVariableAndSize (
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ConVarName,
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&gEfiGlobalVariableGuid,
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&VariableSize
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);
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if (StartDevicePath == NULL) {
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return EFI_UNSUPPORTED;
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}
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CopyOfDevicePath = StartDevicePath;
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do {
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//
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// Check every instance of the console variable
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//
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Instance = GetNextDevicePathInstance (&CopyOfDevicePath, &Size);
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Next = Instance;
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while (!IsDevicePathEndType (Next)) {
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Next = NextDevicePathNode (Next);
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}
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SetDevicePathEndNode (Next);
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//
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// Check USB1.1 console
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//
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if ((DevicePathType (Instance) == MESSAGING_DEVICE_PATH) &&
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((DevicePathSubType (Instance) == MSG_USB_CLASS_DP)
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|| (DevicePathSubType (Instance) == MSG_USB_WWID_DP)
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)) {
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//
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// Check the Usb console in Usb2.0 bus firstly, then Usb1.1 bus
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//
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Status = BdsLibConnectUsbDevByShortFormDP (PCI_CLASSC_PI_EHCI, Instance);
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if (!EFI_ERROR (Status)) {
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DeviceExist = TRUE;
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}
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Status = BdsLibConnectUsbDevByShortFormDP (PCI_CLASSC_PI_UHCI, Instance);
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if (!EFI_ERROR (Status)) {
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DeviceExist = TRUE;
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}
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} else {
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//
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// Connect the instance device path
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//
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Status = BdsLibConnectDevicePath (Instance);
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if (EFI_ERROR (Status)) {
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//
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// Delete the instance from the console varialbe
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//
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BdsLibUpdateConsoleVariable (ConVarName, NULL, Instance);
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} else {
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DeviceExist = TRUE;
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}
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}
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SafeFreePool(Instance);
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} while (CopyOfDevicePath != NULL);
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gBS->FreePool (StartDevicePath);
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if (DeviceExist == FALSE) {
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return EFI_NOT_FOUND;
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}
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return EFI_SUCCESS;
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}
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/**
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This function will search every simpletxt devive in current system,
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and make every simpletxt device as pertantial console device.
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None
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@return None
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**/
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VOID
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BdsLibConnectAllConsoles (
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VOID
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)
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{
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UINTN Index;
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EFI_DEVICE_PATH_PROTOCOL *ConDevicePath;
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UINTN HandleCount;
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EFI_HANDLE *HandleBuffer;
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Index = 0;
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HandleCount = 0;
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HandleBuffer = NULL;
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ConDevicePath = NULL;
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//
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// Update all the console varables
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//
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gBS->LocateHandleBuffer (
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ByProtocol,
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&gEfiSimpleTextInProtocolGuid,
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NULL,
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&HandleCount,
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&HandleBuffer
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);
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for (Index = 0; Index < HandleCount; Index++) {
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gBS->HandleProtocol (
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HandleBuffer[Index],
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&gEfiDevicePathProtocolGuid,
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(VOID **) &ConDevicePath
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);
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BdsLibUpdateConsoleVariable (L"ConIn", ConDevicePath, NULL);
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}
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SafeFreePool(HandleBuffer);
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gBS->LocateHandleBuffer (
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ByProtocol,
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&gEfiSimpleTextOutProtocolGuid,
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NULL,
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&HandleCount,
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&HandleBuffer
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);
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for (Index = 0; Index < HandleCount; Index++) {
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gBS->HandleProtocol (
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HandleBuffer[Index],
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&gEfiDevicePathProtocolGuid,
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(VOID **) &ConDevicePath
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);
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BdsLibUpdateConsoleVariable (L"ConOut", ConDevicePath, NULL);
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BdsLibUpdateConsoleVariable (L"ErrOut", ConDevicePath, NULL);
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}
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SafeFreePool(HandleBuffer);
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//
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// Connect all console variables
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//
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BdsLibConnectAllDefaultConsoles ();
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}
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/**
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This function will connect console device base on the console
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device variable ConIn, ConOut and ErrOut.
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None
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@retval EFI_SUCCESS At least one of the ConIn and ConOut device have
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been connected success.
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@retval EFI_STATUS Return the status of
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BdsLibConnectConsoleVariable ().
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**/
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EFI_STATUS
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BdsLibConnectAllDefaultConsoles (
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VOID
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)
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{
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EFI_STATUS Status;
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//
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// Connect all default console variables
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//
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//
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// It seems impossible not to have any ConOut device on platform,
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// so we check the status here.
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//
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Status = BdsLibConnectConsoleVariable (L"ConOut");
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if (EFI_ERROR (Status)) {
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return Status;
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}
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//
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// Insert the performance probe for Console Out
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//
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PERF_START (NULL, "ConOut", "BDS", 1);
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PERF_END (NULL, "ConOut", "BDS", 0);
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//
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// Because possibly the platform is legacy free, in such case,
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// ConIn devices (Serial Port and PS2 Keyboard ) does not exist,
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// so we need not check the status.
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//
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BdsLibConnectConsoleVariable (L"ConIn");
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//
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// The _ModuleEntryPoint err out var is legal.
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//
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BdsLibConnectConsoleVariable (L"ErrOut");
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return EFI_SUCCESS;
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}
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/** @file
|
||||
BDS Lib functions which contain all the code to connect console device
|
||||
|
||||
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 "InternalBdsLib.h"
|
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|
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BOOLEAN
|
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IsNvNeed (
|
||||
IN CHAR16 *ConVarName
|
||||
)
|
||||
{
|
||||
CHAR16 *Ptr;
|
||||
|
||||
Ptr = ConVarName;
|
||||
|
||||
//
|
||||
// If the variable includes "Dev" at last, we consider
|
||||
// it does not support NV attribute.
|
||||
//
|
||||
while (*Ptr) {
|
||||
Ptr++;
|
||||
}
|
||||
|
||||
if ((*(Ptr-3) == 'D') && (*(Ptr-2) == 'e') && (*(Ptr-1) == 'v')) {
|
||||
return FALSE;
|
||||
} else {
|
||||
return TRUE;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
This function update console variable based on ConVarName, it can
|
||||
add or remove one specific console device path from the variable
|
||||
|
||||
@param ConVarName Console related variable name, ConIn, ConOut,
|
||||
ErrOut.
|
||||
@param CustomizedConDevicePath The console device path which will be added to
|
||||
the console variable ConVarName, this parameter
|
||||
can not be multi-instance.
|
||||
@param ExclusiveDevicePath The console device path which will be removed
|
||||
from the console variable ConVarName, this
|
||||
parameter can not be multi-instance.
|
||||
|
||||
@retval EFI_UNSUPPORTED Add or remove the same device path.
|
||||
@retval EFI_SUCCESS Success add or remove the device path from the
|
||||
console variable.
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
BdsLibUpdateConsoleVariable (
|
||||
IN CHAR16 *ConVarName,
|
||||
IN EFI_DEVICE_PATH_PROTOCOL *CustomizedConDevicePath,
|
||||
IN EFI_DEVICE_PATH_PROTOCOL *ExclusiveDevicePath
|
||||
)
|
||||
{
|
||||
EFI_DEVICE_PATH_PROTOCOL *VarConsole;
|
||||
UINTN DevicePathSize;
|
||||
EFI_DEVICE_PATH_PROTOCOL *NewDevicePath;
|
||||
EFI_DEVICE_PATH_PROTOCOL *TempNewDevicePath;
|
||||
UINT32 Attributes;
|
||||
|
||||
VarConsole = NULL;
|
||||
DevicePathSize = 0;
|
||||
|
||||
//
|
||||
// Notes: check the device path point, here should check
|
||||
// with compare memory
|
||||
//
|
||||
if (CustomizedConDevicePath == ExclusiveDevicePath) {
|
||||
return EFI_UNSUPPORTED;
|
||||
}
|
||||
//
|
||||
// Delete the ExclusiveDevicePath from current default console
|
||||
//
|
||||
VarConsole = BdsLibGetVariableAndSize (
|
||||
ConVarName,
|
||||
&gEfiGlobalVariableGuid,
|
||||
&DevicePathSize
|
||||
);
|
||||
|
||||
//
|
||||
// Initialize NewDevicePath
|
||||
//
|
||||
NewDevicePath = VarConsole;
|
||||
|
||||
//
|
||||
// If ExclusiveDevicePath is even the part of the instance in VarConsole, delete it.
|
||||
// In the end, NewDevicePath is the final device path.
|
||||
//
|
||||
if (ExclusiveDevicePath != NULL && VarConsole != NULL) {
|
||||
NewDevicePath = BdsLibDelPartMatchInstance (VarConsole, ExclusiveDevicePath);
|
||||
}
|
||||
//
|
||||
// Try to append customized device path to NewDevicePath.
|
||||
//
|
||||
if (CustomizedConDevicePath != NULL) {
|
||||
if (!BdsLibMatchDevicePaths (NewDevicePath, CustomizedConDevicePath)) {
|
||||
//
|
||||
// Check if there is part of CustomizedConDevicePath in NewDevicePath, delete it.
|
||||
//
|
||||
NewDevicePath = BdsLibDelPartMatchInstance (NewDevicePath, CustomizedConDevicePath);
|
||||
//
|
||||
// In the first check, the default console variable will be _ModuleEntryPoint,
|
||||
// just append current customized device path
|
||||
//
|
||||
TempNewDevicePath = NewDevicePath;
|
||||
NewDevicePath = AppendDevicePathInstance (NewDevicePath, CustomizedConDevicePath);
|
||||
SafeFreePool(TempNewDevicePath);
|
||||
}
|
||||
}
|
||||
|
||||
//
|
||||
// The attribute for ConInDev, ConOutDev and ErrOutDev does not include NV.
|
||||
//
|
||||
if (IsNvNeed(ConVarName)) {
|
||||
//
|
||||
// ConVarName has NV attribute.
|
||||
//
|
||||
Attributes = EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE;
|
||||
} else {
|
||||
//
|
||||
// ConVarName does not have NV attribute.
|
||||
//
|
||||
Attributes = EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS;
|
||||
}
|
||||
|
||||
//
|
||||
// Finally, Update the variable of the default console by NewDevicePath
|
||||
//
|
||||
gRT->SetVariable (
|
||||
ConVarName,
|
||||
&gEfiGlobalVariableGuid,
|
||||
Attributes,
|
||||
GetDevicePathSize (NewDevicePath),
|
||||
NewDevicePath
|
||||
);
|
||||
|
||||
if (VarConsole == NewDevicePath) {
|
||||
SafeFreePool(VarConsole);
|
||||
} else {
|
||||
SafeFreePool(VarConsole);
|
||||
SafeFreePool(NewDevicePath);
|
||||
}
|
||||
|
||||
return EFI_SUCCESS;
|
||||
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
Connect the console device base on the variable ConVarName, if
|
||||
device path of the ConVarName is multi-instance device path, if
|
||||
anyone of the instances is connected success, then this function
|
||||
will return success.
|
||||
|
||||
@param ConVarName Console related variable name, ConIn, ConOut,
|
||||
ErrOut.
|
||||
|
||||
@retval EFI_NOT_FOUND There is not any console devices connected
|
||||
success
|
||||
@retval EFI_SUCCESS Success connect any one instance of the console
|
||||
device path base on the variable ConVarName.
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
BdsLibConnectConsoleVariable (
|
||||
IN CHAR16 *ConVarName
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
EFI_DEVICE_PATH_PROTOCOL *StartDevicePath;
|
||||
UINTN VariableSize;
|
||||
EFI_DEVICE_PATH_PROTOCOL *Instance;
|
||||
EFI_DEVICE_PATH_PROTOCOL *Next;
|
||||
EFI_DEVICE_PATH_PROTOCOL *CopyOfDevicePath;
|
||||
UINTN Size;
|
||||
BOOLEAN DeviceExist;
|
||||
|
||||
Status = EFI_SUCCESS;
|
||||
DeviceExist = FALSE;
|
||||
|
||||
//
|
||||
// Check if the console variable exist
|
||||
//
|
||||
StartDevicePath = BdsLibGetVariableAndSize (
|
||||
ConVarName,
|
||||
&gEfiGlobalVariableGuid,
|
||||
&VariableSize
|
||||
);
|
||||
if (StartDevicePath == NULL) {
|
||||
return EFI_UNSUPPORTED;
|
||||
}
|
||||
|
||||
CopyOfDevicePath = StartDevicePath;
|
||||
do {
|
||||
//
|
||||
// Check every instance of the console variable
|
||||
//
|
||||
Instance = GetNextDevicePathInstance (&CopyOfDevicePath, &Size);
|
||||
Next = Instance;
|
||||
while (!IsDevicePathEndType (Next)) {
|
||||
Next = NextDevicePathNode (Next);
|
||||
}
|
||||
|
||||
SetDevicePathEndNode (Next);
|
||||
//
|
||||
// Check USB1.1 console
|
||||
//
|
||||
if ((DevicePathType (Instance) == MESSAGING_DEVICE_PATH) &&
|
||||
((DevicePathSubType (Instance) == MSG_USB_CLASS_DP)
|
||||
|| (DevicePathSubType (Instance) == MSG_USB_WWID_DP)
|
||||
)) {
|
||||
//
|
||||
// Check the Usb console in Usb2.0 bus firstly, then Usb1.1 bus
|
||||
//
|
||||
Status = BdsLibConnectUsbDevByShortFormDP (PCI_CLASSC_PI_EHCI, Instance);
|
||||
if (!EFI_ERROR (Status)) {
|
||||
DeviceExist = TRUE;
|
||||
}
|
||||
|
||||
Status = BdsLibConnectUsbDevByShortFormDP (PCI_CLASSC_PI_UHCI, Instance);
|
||||
if (!EFI_ERROR (Status)) {
|
||||
DeviceExist = TRUE;
|
||||
}
|
||||
} else {
|
||||
//
|
||||
// Connect the instance device path
|
||||
//
|
||||
Status = BdsLibConnectDevicePath (Instance);
|
||||
if (EFI_ERROR (Status)) {
|
||||
//
|
||||
// Delete the instance from the console varialbe
|
||||
//
|
||||
BdsLibUpdateConsoleVariable (ConVarName, NULL, Instance);
|
||||
} else {
|
||||
DeviceExist = TRUE;
|
||||
}
|
||||
}
|
||||
SafeFreePool(Instance);
|
||||
} while (CopyOfDevicePath != NULL);
|
||||
|
||||
gBS->FreePool (StartDevicePath);
|
||||
|
||||
if (DeviceExist == FALSE) {
|
||||
return EFI_NOT_FOUND;
|
||||
}
|
||||
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
This function will search every simpletxt devive in current system,
|
||||
and make every simpletxt device as pertantial console device.
|
||||
|
||||
**/
|
||||
VOID
|
||||
EFIAPI
|
||||
BdsLibConnectAllConsoles (
|
||||
VOID
|
||||
)
|
||||
{
|
||||
UINTN Index;
|
||||
EFI_DEVICE_PATH_PROTOCOL *ConDevicePath;
|
||||
UINTN HandleCount;
|
||||
EFI_HANDLE *HandleBuffer;
|
||||
|
||||
Index = 0;
|
||||
HandleCount = 0;
|
||||
HandleBuffer = NULL;
|
||||
ConDevicePath = NULL;
|
||||
|
||||
//
|
||||
// Update all the console varables
|
||||
//
|
||||
gBS->LocateHandleBuffer (
|
||||
ByProtocol,
|
||||
&gEfiSimpleTextInProtocolGuid,
|
||||
NULL,
|
||||
&HandleCount,
|
||||
&HandleBuffer
|
||||
);
|
||||
|
||||
for (Index = 0; Index < HandleCount; Index++) {
|
||||
gBS->HandleProtocol (
|
||||
HandleBuffer[Index],
|
||||
&gEfiDevicePathProtocolGuid,
|
||||
(VOID **) &ConDevicePath
|
||||
);
|
||||
BdsLibUpdateConsoleVariable (L"ConIn", ConDevicePath, NULL);
|
||||
}
|
||||
|
||||
SafeFreePool(HandleBuffer);
|
||||
|
||||
gBS->LocateHandleBuffer (
|
||||
ByProtocol,
|
||||
&gEfiSimpleTextOutProtocolGuid,
|
||||
NULL,
|
||||
&HandleCount,
|
||||
&HandleBuffer
|
||||
);
|
||||
for (Index = 0; Index < HandleCount; Index++) {
|
||||
gBS->HandleProtocol (
|
||||
HandleBuffer[Index],
|
||||
&gEfiDevicePathProtocolGuid,
|
||||
(VOID **) &ConDevicePath
|
||||
);
|
||||
BdsLibUpdateConsoleVariable (L"ConOut", ConDevicePath, NULL);
|
||||
BdsLibUpdateConsoleVariable (L"ErrOut", ConDevicePath, NULL);
|
||||
}
|
||||
|
||||
SafeFreePool(HandleBuffer);
|
||||
|
||||
//
|
||||
// Connect all console variables
|
||||
//
|
||||
BdsLibConnectAllDefaultConsoles ();
|
||||
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
This function will connect console device base on the console
|
||||
device variable ConIn, ConOut and ErrOut.
|
||||
|
||||
@retval EFI_SUCCESS At least one of the ConIn and ConOut device have
|
||||
been connected success.
|
||||
@retval EFI_STATUS Return the status of
|
||||
BdsLibConnectConsoleVariable ().
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
BdsLibConnectAllDefaultConsoles (
|
||||
VOID
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
|
||||
//
|
||||
// Connect all default console variables
|
||||
//
|
||||
|
||||
//
|
||||
// It seems impossible not to have any ConOut device on platform,
|
||||
// so we check the status here.
|
||||
//
|
||||
Status = BdsLibConnectConsoleVariable (L"ConOut");
|
||||
if (EFI_ERROR (Status)) {
|
||||
return Status;
|
||||
}
|
||||
|
||||
//
|
||||
// Insert the performance probe for Console Out
|
||||
//
|
||||
PERF_START (NULL, "ConOut", "BDS", 1);
|
||||
PERF_END (NULL, "ConOut", "BDS", 0);
|
||||
|
||||
//
|
||||
// Because possibly the platform is legacy free, in such case,
|
||||
// ConIn devices (Serial Port and PS2 Keyboard ) does not exist,
|
||||
// so we need not check the status.
|
||||
//
|
||||
BdsLibConnectConsoleVariable (L"ConIn");
|
||||
|
||||
//
|
||||
// The _ModuleEntryPoint err out var is legal.
|
||||
//
|
||||
BdsLibConnectConsoleVariable (L"ErrOut");
|
||||
|
||||
return EFI_SUCCESS;
|
||||
|
||||
}
|
||||
|
Reference in New Issue
Block a user