Unix version of EFI emulator
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2182 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
tgingold
310
EdkUnixPkg/Dxe/UnixThunk/Bus/Console/Console.c
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310
EdkUnixPkg/Dxe/UnixThunk/Bus/Console/Console.c
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/*++
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Copyright (c) 2004 - 2005, 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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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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Console.c
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Abstract:
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Console based on Win32 APIs.
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--*/
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#include "Console.h"
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EFI_STATUS
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EFIAPI
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UnixConsoleDriverBindingSupported (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Handle,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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);
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EFI_STATUS
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EFIAPI
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UnixConsoleDriverBindingStart (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Handle,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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);
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EFI_STATUS
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EFIAPI
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UnixConsoleDriverBindingStop (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Handle,
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IN UINTN NumberOfChildren,
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IN EFI_HANDLE *ChildHandleBuffer
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);
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EFI_DRIVER_BINDING_PROTOCOL gUnixConsoleDriverBinding = {
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UnixConsoleDriverBindingSupported,
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UnixConsoleDriverBindingStart,
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UnixConsoleDriverBindingStop,
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0x10,
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NULL,
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NULL
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};
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EFI_STATUS
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EFIAPI
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UnixConsoleDriverBindingSupported (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Handle,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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)
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/*++
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Routine Description:
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Arguments:
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Returns:
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None
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--*/
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// TODO: This - add argument and description to function comment
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// TODO: Handle - add argument and description to function comment
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// TODO: RemainingDevicePath - add argument and description to function comment
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{
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EFI_STATUS Status;
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EFI_UNIX_IO_PROTOCOL *UnixIo;
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//
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// Open the IO Abstraction(s) needed to perform the supported test
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//
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Status = gBS->OpenProtocol (
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Handle,
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&gEfiUnixIoProtocolGuid,
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(void *)&UnixIo,
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This->DriverBindingHandle,
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Handle,
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EFI_OPEN_PROTOCOL_BY_DRIVER
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);
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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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// Make sure that the Unix Thunk Protocol is valid
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//
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Status = EFI_UNSUPPORTED;
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if (UnixIo->UnixThunk->Signature == EFI_UNIX_THUNK_PROTOCOL_SIGNATURE) {
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//
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// Check the GUID to see if this is a handle type the driver supports
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//
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if (CompareGuid (UnixIo->TypeGuid, &gEfiUnixConsoleGuid)) {
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Status = EFI_SUCCESS;
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}
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}
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//
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// Close the I/O Abstraction(s) used to perform the supported test
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//
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gBS->CloseProtocol (
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Handle,
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&gEfiUnixIoProtocolGuid,
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This->DriverBindingHandle,
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Handle
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);
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return Status;
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}
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EFI_STATUS
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EFIAPI
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UnixConsoleDriverBindingStart (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Handle,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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)
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/*++
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Routine Description:
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Arguments:
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Returns:
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None
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--*/
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// TODO: This - add argument and description to function comment
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// TODO: Handle - add argument and description to function comment
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// TODO: RemainingDevicePath - add argument and description to function comment
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{
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EFI_STATUS Status;
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EFI_UNIX_IO_PROTOCOL *UnixIo;
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UNIX_SIMPLE_TEXT_PRIVATE_DATA *Private;
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//
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// Grab the IO abstraction we need to get any work done
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//
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Status = gBS->OpenProtocol (
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Handle,
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&gEfiUnixIoProtocolGuid,
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(void *)&UnixIo,
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This->DriverBindingHandle,
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Handle,
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EFI_OPEN_PROTOCOL_BY_DRIVER
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);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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Status = gBS->AllocatePool (
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EfiBootServicesData,
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sizeof (UNIX_SIMPLE_TEXT_PRIVATE_DATA),
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(void *)&Private
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);
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if (EFI_ERROR (Status)) {
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goto Done;
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}
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ZeroMem (Private, sizeof (UNIX_SIMPLE_TEXT_PRIVATE_DATA));
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Private->Signature = UNIX_SIMPLE_TEXT_PRIVATE_DATA_SIGNATURE;
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Private->Handle = Handle;
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Private->UnixIo = UnixIo;
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Private->UnixThunk = UnixIo->UnixThunk;
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UnixSimpleTextOutOpenWindow (Private);
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UnixSimpleTextInAttachToWindow (Private);
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Status = gBS->InstallMultipleProtocolInterfaces (
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&Handle,
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&gEfiSimpleTextOutProtocolGuid,
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&Private->SimpleTextOut,
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&gEfiSimpleTextInProtocolGuid,
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&Private->SimpleTextIn,
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NULL
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);
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if (!EFI_ERROR (Status)) {
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return Status;
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}
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Done:
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gBS->CloseProtocol (
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Handle,
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&gEfiUnixIoProtocolGuid,
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This->DriverBindingHandle,
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Handle
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);
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if (Private != NULL) {
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FreeUnicodeStringTable (Private->ControllerNameTable);
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#if 0
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if (Private->NtOutHandle != NULL) {
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Private->UnixThunk->CloseHandle (Private->NtOutHandle);
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}
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#endif
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if (Private->SimpleTextIn.WaitForKey != NULL) {
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gBS->CloseEvent (Private->SimpleTextIn.WaitForKey);
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}
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gBS->FreePool (Private);
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}
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return Status;
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}
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EFI_STATUS
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EFIAPI
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UnixConsoleDriverBindingStop (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Handle,
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IN UINTN NumberOfChildren,
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IN EFI_HANDLE *ChildHandleBuffer
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)
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/*++
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Routine Description:
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TODO: Add function description
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Arguments:
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This - TODO: add argument description
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Handle - TODO: add argument description
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NumberOfChildren - TODO: add argument description
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ChildHandleBuffer - TODO: add argument description
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Returns:
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EFI_UNSUPPORTED - TODO: Add description for return value
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--*/
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{
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EFI_SIMPLE_TEXT_OUT_PROTOCOL *SimpleTextOut;
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EFI_STATUS Status;
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UNIX_SIMPLE_TEXT_PRIVATE_DATA *Private;
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//
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// Kick people off our interface???
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//
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Status = gBS->OpenProtocol (
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Handle,
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&gEfiSimpleTextOutProtocolGuid,
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(void *)&SimpleTextOut,
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This->DriverBindingHandle,
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Handle,
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EFI_OPEN_PROTOCOL_GET_PROTOCOL
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);
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if (EFI_ERROR (Status)) {
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return EFI_UNSUPPORTED;
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}
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Private = UNIX_SIMPLE_TEXT_OUT_PRIVATE_DATA_FROM_THIS (SimpleTextOut);
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ASSERT (Private->Handle == Handle);
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Status = gBS->UninstallMultipleProtocolInterfaces (
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Handle,
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&gEfiSimpleTextOutProtocolGuid,
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&Private->SimpleTextOut,
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&gEfiSimpleTextInProtocolGuid,
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&Private->SimpleTextIn,
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NULL
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);
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if (!EFI_ERROR (Status)) {
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//
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// Shut down our device
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//
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Status = gBS->CloseProtocol (
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Handle,
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&gEfiUnixIoProtocolGuid,
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This->DriverBindingHandle,
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Handle
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);
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Status = gBS->CloseEvent (Private->SimpleTextIn.WaitForKey);
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ASSERT_EFI_ERROR (Status);
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#if 0
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Private->UnixThunk->CloseHandle (Private->NtOutHandle);
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#endif
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//
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// DO NOT close Private->NtInHandle. It points to StdIn and not
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// the Private->NtOutHandle is StdIn and should not be closed!
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//
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FreeUnicodeStringTable (Private->ControllerNameTable);
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gBS->FreePool (Private);
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}
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return Status;
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}
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