diff options
Diffstat (limited to 'UnixPkg/UnixConsoleDxe/Console.c')
| -rw-r--r-- | UnixPkg/UnixConsoleDxe/Console.c | 310 |
1 files changed, 310 insertions, 0 deletions
diff --git a/UnixPkg/UnixConsoleDxe/Console.c b/UnixPkg/UnixConsoleDxe/Console.c new file mode 100644 index 0000000..314da93 --- /dev/null +++ b/UnixPkg/UnixConsoleDxe/Console.c @@ -0,0 +1,310 @@ +/*++
+
+Copyright (c) 2004 - 2005, Intel Corporation
+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.
+
+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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