diff options
Diffstat (limited to 'EmulatorPkg/EmuBusDriverDxe/EmuBusDriverDxe.c')
| -rw-r--r-- | EmulatorPkg/EmuBusDriverDxe/EmuBusDriverDxe.c | 529 |
1 files changed, 0 insertions, 529 deletions
diff --git a/EmulatorPkg/EmuBusDriverDxe/EmuBusDriverDxe.c b/EmulatorPkg/EmuBusDriverDxe/EmuBusDriverDxe.c deleted file mode 100644 index 401141be69..0000000000 --- a/EmulatorPkg/EmuBusDriverDxe/EmuBusDriverDxe.c +++ /dev/null @@ -1,529 +0,0 @@ -/** @file
- Emu Bus driver
-
-Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
-Portions copyright (c) 2011, Apple Inc. 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 "EmuBusDriverDxe.h"
-
-
-
-//
-// DriverBinding protocol global
-//
-EFI_DRIVER_BINDING_PROTOCOL gEmuBusDriverBinding = {
- EmuBusDriverBindingSupported,
- EmuBusDriverBindingStart,
- EmuBusDriverBindingStop,
- 0xa,
- NULL,
- NULL
-};
-
-
-
-EFI_STATUS
-EFIAPI
-EmuBusDriverBindingSupported (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE ControllerHandle,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
- )
-{
- EFI_STATUS Status;
- EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;
- EMU_THUNK_PROTOCOL *EmuThunk;
-
- //
- // Check the contents of the first Device Path Node of RemainingDevicePath to make sure
- // it is a legal Device Path Node for this bus driver's children.
- //
- if (RemainingDevicePath != NULL) {
- //
- // Check if RemainingDevicePath is the End of Device Path Node,
- // if yes, go on checking other conditions
- //
- if (!IsDevicePathEnd (RemainingDevicePath)) {
- //
- // If RemainingDevicePath isn't the End of Device Path Node,
- // check its validation
- //
- if (RemainingDevicePath->Type != HARDWARE_DEVICE_PATH ||
- RemainingDevicePath->SubType != HW_VENDOR_DP ||
- DevicePathNodeLength(RemainingDevicePath) != sizeof(EMU_VENDOR_DEVICE_PATH_NODE)) {
- return EFI_UNSUPPORTED;
- }
- }
- }
-
- //
- // Open the IO Abstraction(s) needed to perform the supported test
- //
- Status = gBS->OpenProtocol (
- ControllerHandle,
- &gEmuThunkProtocolGuid,
- (VOID **)&EmuThunk ,
- This->DriverBindingHandle,
- ControllerHandle,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
- if (Status == EFI_ALREADY_STARTED) {
- return EFI_SUCCESS;
- }
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // Close the I/O Abstraction(s) used to perform the supported test
- //
- gBS->CloseProtocol (
- ControllerHandle,
- &gEmuThunkProtocolGuid,
- This->DriverBindingHandle,
- ControllerHandle
- );
-
- //
- // Open the EFI Device Path protocol needed to perform the supported test
- //
- Status = gBS->OpenProtocol (
- ControllerHandle,
- &gEfiDevicePathProtocolGuid,
- (VOID **)&ParentDevicePath,
- This->DriverBindingHandle,
- ControllerHandle,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
- if (Status == EFI_ALREADY_STARTED) {
- return EFI_SUCCESS;
- }
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
-
- //
- // Close protocol, don't use device path protocol in the Support() function
- //
- gBS->CloseProtocol (
- ControllerHandle,
- &gEfiDevicePathProtocolGuid,
- This->DriverBindingHandle,
- ControllerHandle
- );
-
- return Status;
-}
-
-
-EFI_STATUS
-EFIAPI
-EmuBusDriverBindingStart (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE ControllerHandle,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
- )
-{
- EFI_STATUS Status;
- EFI_STATUS InstallStatus;
- EMU_THUNK_PROTOCOL *EmuThunk;
- EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;
- EMU_IO_DEVICE *EmuDevice;
- EMU_BUS_DEVICE *EmuBusDevice;
- EMU_IO_THUNK_PROTOCOL *EmuIoThunk;
- UINT16 ComponentName[512];
- EMU_VENDOR_DEVICE_PATH_NODE *Node;
- BOOLEAN CreateDevice;
-
- InstallStatus = EFI_UNSUPPORTED;
- Status = EFI_UNSUPPORTED;
-
- //
- // Grab the protocols we need
- //
- Status = gBS->OpenProtocol (
- ControllerHandle,
- &gEfiDevicePathProtocolGuid,
- (VOID **)&ParentDevicePath,
- This->DriverBindingHandle,
- ControllerHandle,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
- if (EFI_ERROR (Status) && Status != EFI_ALREADY_STARTED) {
- return Status;
- }
-
- Status = gBS->OpenProtocol (
- ControllerHandle,
- &gEmuThunkProtocolGuid,
- (VOID **)&EmuThunk,
- This->DriverBindingHandle,
- ControllerHandle,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
- if (EFI_ERROR (Status) && Status != EFI_ALREADY_STARTED) {
- return Status;
- }
-
- if (Status != EFI_ALREADY_STARTED) {
- EmuBusDevice = AllocatePool (sizeof (EMU_BUS_DEVICE));
- if (EmuBusDevice == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- EmuBusDevice->Signature = EMU_BUS_DEVICE_SIGNATURE;
- EmuBusDevice->ControllerNameTable = NULL;
-
- AddUnicodeString2 (
- "eng",
- gEmuBusDriverComponentName.SupportedLanguages,
- &EmuBusDevice->ControllerNameTable,
- L"Emulator Bus Controller",
- TRUE
- );
- AddUnicodeString2 (
- "en",
- gEmuBusDriverComponentName2.SupportedLanguages,
- &EmuBusDevice->ControllerNameTable,
- L"Emulator Bus Controller",
- FALSE
- );
-
-
- Status = gBS->InstallMultipleProtocolInterfaces (
- &ControllerHandle,
- &gEfiCallerIdGuid, EmuBusDevice,
- NULL
- );
- if (EFI_ERROR (Status)) {
- FreeUnicodeStringTable (EmuBusDevice->ControllerNameTable);
- gBS->FreePool (EmuBusDevice);
- return Status;
- }
- }
-
-
- for (Status = EFI_SUCCESS, EmuIoThunk = NULL; !EFI_ERROR (Status); ) {
- Status = EmuThunk->GetNextProtocol (TRUE, &EmuIoThunk);
- if (EFI_ERROR (Status)) {
- break;
- }
-
- CreateDevice = TRUE;
- if (RemainingDevicePath != NULL) {
- CreateDevice = FALSE;
- //
- // Check if RemainingDevicePath is the End of Device Path Node,
- // if yes, don't create any child device
- //
- if (!IsDevicePathEnd (RemainingDevicePath)) {
- //
- // If RemainingDevicePath isn't the End of Device Path Node,
- // check its validation
- //
- Node = (EMU_VENDOR_DEVICE_PATH_NODE *) RemainingDevicePath;
- if (Node->VendorDevicePath.Header.Type == HARDWARE_DEVICE_PATH &&
- Node->VendorDevicePath.Header.SubType == HW_VENDOR_DP &&
- DevicePathNodeLength (&Node->VendorDevicePath.Header) == sizeof (EMU_VENDOR_DEVICE_PATH_NODE)
- ) {
- if (CompareGuid (&Node->VendorDevicePath.Guid, EmuIoThunk->Protocol) && Node->Instance == EmuIoThunk->Instance) {
- CreateDevice = TRUE;
- }
- }
- }
- }
-
- if (CreateDevice) {
- //
- // Allocate instance structure, and fill in parent information.
- //
- EmuDevice = AllocatePool (sizeof (EMU_IO_DEVICE));
- if (EmuDevice == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- EmuDevice->Handle = NULL;
- EmuDevice->ControllerHandle = ControllerHandle;
- EmuDevice->ParentDevicePath = ParentDevicePath;
- CopyMem (&EmuDevice->EmuIoThunk, EmuIoThunk, sizeof (EMU_IO_THUNK_PROTOCOL));
-
- EmuDevice->ControllerNameTable = NULL;
-
- StrnCpy (ComponentName, EmuIoThunk->ConfigString, sizeof (ComponentName)/sizeof (CHAR16));
-
- EmuDevice->DevicePath = EmuBusCreateDevicePath (
- ParentDevicePath,
- EmuIoThunk->Protocol,
- EmuIoThunk->Instance
- );
- if (EmuDevice->DevicePath == NULL) {
- gBS->FreePool (EmuDevice);
- return EFI_OUT_OF_RESOURCES;
- }
-
- AddUnicodeString (
- "eng",
- gEmuBusDriverComponentName.SupportedLanguages,
- &EmuDevice->ControllerNameTable,
- ComponentName
- );
-
- EmuDevice->Signature = EMU_IO_DEVICE_SIGNATURE;
-
- InstallStatus = gBS->InstallMultipleProtocolInterfaces (
- &EmuDevice->Handle,
- &gEfiDevicePathProtocolGuid, EmuDevice->DevicePath,
- &gEmuIoThunkProtocolGuid, &EmuDevice->EmuIoThunk,
- NULL
- );
- if (EFI_ERROR (InstallStatus)) {
- FreeUnicodeStringTable (EmuDevice->ControllerNameTable);
- gBS->FreePool (EmuDevice);
- } else {
- //
- // Open For Child Device
- //
- Status = gBS->OpenProtocol (
- ControllerHandle,
- &gEmuThunkProtocolGuid,
- (VOID **)&EmuThunk ,
- This->DriverBindingHandle,
- EmuDevice->Handle,
- EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
- );
- if (!EFI_ERROR (Status)) {
- InstallStatus = EFI_SUCCESS;
- }
- }
- }
- }
-
- return InstallStatus;
-}
-
-
-EFI_STATUS
-EFIAPI
-EmuBusDriverBindingStop (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE ControllerHandle,
- IN UINTN NumberOfChildren,
- IN EFI_HANDLE *ChildHandleBuffer
- )
-{
- EFI_STATUS Status;
- UINTN Index;
- BOOLEAN AllChildrenStopped;
- EMU_IO_THUNK_PROTOCOL *EmuIoThunk;
- EMU_BUS_DEVICE *EmuBusDevice;
- EMU_IO_DEVICE *EmuDevice;
- EMU_THUNK_PROTOCOL *EmuThunk;
-
- //
- // Complete all outstanding transactions to Controller.
- // Don't allow any new transaction to Controller to be started.
- //
-
- if (NumberOfChildren == 0) {
- //
- // Close the bus driver
- //
- Status = gBS->OpenProtocol (
- ControllerHandle,
- &gEfiCallerIdGuid,
- (VOID **)&EmuBusDevice,
- This->DriverBindingHandle,
- ControllerHandle,
- EFI_OPEN_PROTOCOL_GET_PROTOCOL
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- gBS->UninstallMultipleProtocolInterfaces (
- ControllerHandle,
- &gEfiCallerIdGuid, EmuBusDevice,
- NULL
- );
-
- FreeUnicodeStringTable (EmuBusDevice->ControllerNameTable);
-
- gBS->FreePool (EmuBusDevice);
-
- gBS->CloseProtocol (
- ControllerHandle,
- &gEmuThunkProtocolGuid,
- This->DriverBindingHandle,
- ControllerHandle
- );
-
- gBS->CloseProtocol (
- ControllerHandle,
- &gEfiDevicePathProtocolGuid,
- This->DriverBindingHandle,
- ControllerHandle
- );
- return EFI_SUCCESS;
- }
-
- AllChildrenStopped = TRUE;
-
- for (Index = 0; Index < NumberOfChildren; Index++) {
-
- Status = gBS->OpenProtocol (
- ChildHandleBuffer[Index],
- &gEmuIoThunkProtocolGuid,
- (VOID **)&EmuIoThunk,
- This->DriverBindingHandle,
- ControllerHandle,
- EFI_OPEN_PROTOCOL_GET_PROTOCOL
- );
- if (!EFI_ERROR (Status)) {
- EmuDevice = EMU_IO_DEVICE_FROM_THIS (EmuIoThunk);
-
- Status = gBS->CloseProtocol (
- ControllerHandle,
- &gEmuThunkProtocolGuid,
- This->DriverBindingHandle,
- EmuDevice->Handle
- );
-
- Status = gBS->UninstallMultipleProtocolInterfaces (
- EmuDevice->Handle,
- &gEfiDevicePathProtocolGuid, EmuDevice->DevicePath,
- &gEmuIoThunkProtocolGuid, &EmuDevice->EmuIoThunk,
- NULL
- );
-
- if (EFI_ERROR (Status)) {
- gBS->OpenProtocol (
- ControllerHandle,
- &gEmuThunkProtocolGuid,
- (VOID **) &EmuThunk ,
- This->DriverBindingHandle,
- EmuDevice->Handle,
- EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
- );
- } else {
- //
- // Close the child handle
- //
- FreeUnicodeStringTable (EmuDevice->ControllerNameTable);
- FreePool (EmuDevice);
- }
- }
-
- if (EFI_ERROR (Status)) {
- AllChildrenStopped = FALSE;
- }
- }
-
- if (!AllChildrenStopped) {
- return EFI_DEVICE_ERROR;
- }
-
- return EFI_SUCCESS;
-}
-
-
-/*++
-
-Routine Description:
- Create a device path node using Guid and InstanceNumber and append it to
- the passed in RootDevicePath
-
-Arguments:
- RootDevicePath - Root of the device path to return.
-
- Guid - GUID to use in vendor device path node.
-
- InstanceNumber - Instance number to use in the vendor device path. This
- argument is needed to make sure each device path is unique.
-
-Returns:
-
- EFI_DEVICE_PATH_PROTOCOL
-
-**/
-EFI_DEVICE_PATH_PROTOCOL *
-EmuBusCreateDevicePath (
- IN EFI_DEVICE_PATH_PROTOCOL *RootDevicePath,
- IN EFI_GUID *Guid,
- IN UINT16 InstanceNumber
- )
-{
- EMU_VENDOR_DEVICE_PATH_NODE DevicePath;
-
- DevicePath.VendorDevicePath.Header.Type = HARDWARE_DEVICE_PATH;
- DevicePath.VendorDevicePath.Header.SubType = HW_VENDOR_DP;
- SetDevicePathNodeLength (&DevicePath.VendorDevicePath.Header, sizeof (EMU_VENDOR_DEVICE_PATH_NODE));
-
- //
- // The GUID defines the Class
- //
- CopyMem (&DevicePath.VendorDevicePath.Guid, Guid, sizeof (EFI_GUID));
-
- //
- // Add an instance number so we can make sure there are no Device Path
- // duplication.
- //
- DevicePath.Instance = InstanceNumber;
-
- return AppendDevicePathNode (
- RootDevicePath,
- (EFI_DEVICE_PATH_PROTOCOL *) &DevicePath
- );
-}
-
-
-
-/**
- The user Entry Point for module EmuBusDriver. The user code starts with this function.
-
- @param[in] ImageHandle The firmware allocated handle for the EFI image.
- @param[in] SystemTable A pointer to the EFI System Table.
-
- @retval EFI_SUCCESS The entry point is executed successfully.
- @retval other Some error occurs when executing this entry point.
-
-**/
-EFI_STATUS
-EFIAPI
-InitializeEmuBusDriver (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
- EFI_STATUS Status;
-
- Status = EfiLibInstallAllDriverProtocols (
- ImageHandle,
- SystemTable,
- &gEmuBusDriverBinding,
- ImageHandle,
- &gEmuBusDriverComponentName,
- NULL,
- NULL
- );
- ASSERT_EFI_ERROR (Status);
-
-
- return Status;
-}
-
-
-
-
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