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/*++
Copyright (c) 2004 - 2005, Intel Corporation. All rights reserved.<BR>
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.
Module Name:
Console.c
Abstract:
Console based on Posix APIs.
--*/
#include "Console.h"
EFI_STATUS
EFIAPI
UnixConsoleDriverBindingSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Handle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
EFI_STATUS
EFIAPI
UnixConsoleDriverBindingStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Handle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
EFI_STATUS
EFIAPI
UnixConsoleDriverBindingStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Handle,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
);
EFI_DRIVER_BINDING_PROTOCOL gUnixConsoleDriverBinding = {
UnixConsoleDriverBindingSupported,
UnixConsoleDriverBindingStart,
UnixConsoleDriverBindingStop,
0xa,
NULL,
NULL
};
EFI_STATUS
EFIAPI
UnixConsoleDriverBindingSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Handle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
/*++
Routine Description:
Arguments:
Returns:
None
--*/
// TODO: This - add argument and description to function comment
// TODO: Handle - add argument and description to function comment
// TODO: RemainingDevicePath - add argument and description to function comment
{
EFI_STATUS Status;
EFI_UNIX_IO_PROTOCOL *UnixIo;
//
// Open the IO Abstraction(s) needed to perform the supported test
//
Status = gBS->OpenProtocol (
Handle,
&gEfiUnixIoProtocolGuid,
(void *)&UnixIo,
This->DriverBindingHandle,
Handle,
EFI_OPEN_PROTOCOL_BY_DRIVER
);
if (EFI_ERROR (Status)) {
return Status;
}
//
// Make sure that the Unix Thunk Protocol is valid
//
Status = EFI_UNSUPPORTED;
if (UnixIo->UnixThunk->Signature == EFI_UNIX_THUNK_PROTOCOL_SIGNATURE) {
//
// Check the GUID to see if this is a handle type the driver supports
//
if (CompareGuid (UnixIo->TypeGuid, &gEfiUnixConsoleGuid)) {
Status = EFI_SUCCESS;
}
}
//
// Close the I/O Abstraction(s) used to perform the supported test
//
gBS->CloseProtocol (
Handle,
&gEfiUnixIoProtocolGuid,
This->DriverBindingHandle,
Handle
);
return Status;
}
EFI_STATUS
EFIAPI
UnixConsoleDriverBindingStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Handle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
/*++
Routine Description:
Arguments:
Returns:
None
--*/
// TODO: This - add argument and description to function comment
// TODO: Handle - add argument and description to function comment
// TODO: RemainingDevicePath - add argument and description to function comment
{
EFI_STATUS Status;
EFI_UNIX_IO_PROTOCOL *UnixIo;
UNIX_SIMPLE_TEXT_PRIVATE_DATA *Private;
//
// Grab the IO abstraction we need to get any work done
//
Status = gBS->OpenProtocol (
Handle,
&gEfiUnixIoProtocolGuid,
(void *)&UnixIo,
This->DriverBindingHandle,
Handle,
EFI_OPEN_PROTOCOL_BY_DRIVER
);
if (EFI_ERROR (Status)) {
return Status;
}
Status = gBS->AllocatePool (
EfiBootServicesData,
sizeof (UNIX_SIMPLE_TEXT_PRIVATE_DATA),
(void *)&Private
);
if (EFI_ERROR (Status)) {
goto Done;
}
ZeroMem (Private, sizeof (UNIX_SIMPLE_TEXT_PRIVATE_DATA));
Private->Signature = UNIX_SIMPLE_TEXT_PRIVATE_DATA_SIGNATURE;
Private->Handle = Handle;
Private->UnixIo = UnixIo;
Private->UnixThunk = UnixIo->UnixThunk;
UnixSimpleTextOutOpenWindow (Private);
UnixSimpleTextInAttachToWindow (Private);
Status = gBS->InstallMultipleProtocolInterfaces (
&Handle,
&gEfiSimpleTextOutProtocolGuid,
&Private->SimpleTextOut,
&gEfiSimpleTextInProtocolGuid,
&Private->SimpleTextIn,
NULL
);
if (!EFI_ERROR (Status)) {
return Status;
}
Done:
gBS->CloseProtocol (
Handle,
&gEfiUnixIoProtocolGuid,
This->DriverBindingHandle,
Handle
);
if (Private != NULL) {
FreeUnicodeStringTable (Private->ControllerNameTable);
#if 0
if (Private->NtOutHandle != NULL) {
Private->UnixThunk->CloseHandle (Private->NtOutHandle);
}
#endif
if (Private->SimpleTextIn.WaitForKey != NULL) {
gBS->CloseEvent (Private->SimpleTextIn.WaitForKey);
}
gBS->FreePool (Private);
}
return Status;
}
EFI_STATUS
EFIAPI
UnixConsoleDriverBindingStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Handle,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
)
/*++
Routine Description:
TODO: Add function description
Arguments:
This - TODO: add argument description
Handle - TODO: add argument description
NumberOfChildren - TODO: add argument description
ChildHandleBuffer - TODO: add argument description
Returns:
EFI_UNSUPPORTED - TODO: Add description for return value
--*/
{
EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *SimpleTextOut;
EFI_STATUS Status;
UNIX_SIMPLE_TEXT_PRIVATE_DATA *Private;
//
// Kick people off our interface???
//
Status = gBS->OpenProtocol (
Handle,
&gEfiSimpleTextOutProtocolGuid,
(void *)&SimpleTextOut,
This->DriverBindingHandle,
Handle,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (EFI_ERROR (Status)) {
return EFI_UNSUPPORTED;
}
Private = UNIX_SIMPLE_TEXT_OUT_PRIVATE_DATA_FROM_THIS (SimpleTextOut);
ASSERT (Private->Handle == Handle);
Status = gBS->UninstallMultipleProtocolInterfaces (
Handle,
&gEfiSimpleTextOutProtocolGuid,
&Private->SimpleTextOut,
&gEfiSimpleTextInProtocolGuid,
&Private->SimpleTextIn,
NULL
);
if (!EFI_ERROR (Status)) {
//
// Shut down our device
//
Status = gBS->CloseProtocol (
Handle,
&gEfiUnixIoProtocolGuid,
This->DriverBindingHandle,
Handle
);
Status = gBS->CloseEvent (Private->SimpleTextIn.WaitForKey);
ASSERT_EFI_ERROR (Status);
#if 0
Private->UnixThunk->CloseHandle (Private->NtOutHandle);
#endif
//
// DO NOT close Private->NtInHandle. It points to StdIn and not
// the Private->NtOutHandle is StdIn and should not be closed!
//
FreeUnicodeStringTable (Private->ControllerNameTable);
gBS->FreePool (Private);
}
return Status;
}
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