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Diffstat (limited to 'UnixPkg/UnixGopDxe/UnixGopInput.c')
| -rw-r--r-- | UnixPkg/UnixGopDxe/UnixGopInput.c | 884 |
1 files changed, 0 insertions, 884 deletions
diff --git a/UnixPkg/UnixGopDxe/UnixGopInput.c b/UnixPkg/UnixGopDxe/UnixGopInput.c deleted file mode 100644 index 89087d0160..0000000000 --- a/UnixPkg/UnixGopDxe/UnixGopInput.c +++ /dev/null @@ -1,884 +0,0 @@ -/*++ - -Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR> -Portions copyright (c) 2010, Apple, Inc. All rights reserved.<BR> -Portions copyright (c) 2010, Apple Inc. 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. - - ---*/ - -#include "UnixGop.h" - - -BOOLEAN -GopPrivateIsKeyRegistered ( - IN EFI_KEY_DATA *RegsiteredData, - IN EFI_KEY_DATA *InputData - ) -/*++ - -Routine Description: - -Arguments: - - RegsiteredData - A pointer to a buffer that is filled in with the keystroke - state data for the key that was registered. - InputData - A pointer to a buffer that is filled in with the keystroke - state data for the key that was pressed. - -Returns: - TRUE - Key be pressed matches a registered key. - FLASE - Match failed. - ---*/ -{ - ASSERT (RegsiteredData != NULL && InputData != NULL); - - if ((RegsiteredData->Key.ScanCode != InputData->Key.ScanCode) || - (RegsiteredData->Key.UnicodeChar != InputData->Key.UnicodeChar)) { - return FALSE; - } - - // - // Assume KeyShiftState/KeyToggleState = 0 in Registered key data means these state could be ignored. - // - if (RegsiteredData->KeyState.KeyShiftState != 0 && - RegsiteredData->KeyState.KeyShiftState != InputData->KeyState.KeyShiftState) { - return FALSE; - } - if (RegsiteredData->KeyState.KeyToggleState != 0 && - RegsiteredData->KeyState.KeyToggleState != InputData->KeyState.KeyToggleState) { - return FALSE; - } - - return TRUE; - -} - - -VOID -EFIAPI -GopPrivateInvokeRegisteredFunction ( - IN VOID *Context, - IN EFI_KEY_DATA *KeyData - ) -{ - LIST_ENTRY *Link; - UNIX_GOP_SIMPLE_TEXTIN_EX_NOTIFY *CurrentNotify; - GOP_PRIVATE_DATA *Private = (GOP_PRIVATE_DATA *)Context; - - for (Link = Private->NotifyList.ForwardLink; Link != &Private->NotifyList; Link = Link->ForwardLink) { - CurrentNotify = CR ( - Link, - UNIX_GOP_SIMPLE_TEXTIN_EX_NOTIFY, - NotifyEntry, - UNIX_GOP_SIMPLE_TEXTIN_EX_NOTIFY_SIGNATURE - ); - if (GopPrivateIsKeyRegistered (&CurrentNotify->KeyData, KeyData)) { - // We could be called at a high TPL so signal an event to call the registered function - // at a lower TPL. - gBS->SignalEvent (CurrentNotify->Event); - } - } -} - - - -// -// Simple Text In implementation. -// - -/** - Reset the input device and optionally run diagnostics - - @param This Protocol instance pointer. - @param ExtendedVerification Driver may perform diagnostics on reset. - - @retval EFI_SUCCESS The device was reset. - @retval EFI_DEVICE_ERROR The device is not functioning properly and could not be reset. - -**/ -EFI_STATUS -EFIAPI -UnixGopSimpleTextInReset ( - IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This, - IN BOOLEAN ExtendedVerification - ) -{ - GOP_PRIVATE_DATA *Private; - EFI_KEY_DATA KeyData; - EFI_TPL OldTpl; - - Private = GOP_PRIVATE_DATA_FROM_TEXT_IN_THIS (This); - if (Private->UgaIo == NULL) { - return EFI_SUCCESS; - } - - // - // Enter critical section - // - OldTpl = gBS->RaiseTPL (TPL_NOTIFY); - - // - // A reset is draining the Queue - // - while (Private->UgaIo->UgaGetKey (Private->UgaIo, &KeyData) == EFI_SUCCESS) - ; - - // - // Leave critical section and return - // - gBS->RestoreTPL (OldTpl); - return EFI_SUCCESS; -} - - -/** - Reads the next keystroke from the input device. The WaitForKey Event can - be used to test for existence of a keystroke via WaitForEvent () call. - - @param This Protocol instance pointer. - @param Key A pointer to a buffer that is filled in with the keystroke - information for the key that was pressed. - - @retval EFI_SUCCESS The keystroke information was returned. - @retval EFI_NOT_READY There was no keystroke data available. - @retval EFI_DEVICE_ERROR The keystroke information was not returned due to - hardware errors. - -**/ -EFI_STATUS -EFIAPI -UnixGopSimpleTextInReadKeyStroke ( - IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This, - OUT EFI_INPUT_KEY *Key - ) -{ - GOP_PRIVATE_DATA *Private; - EFI_STATUS Status; - EFI_TPL OldTpl; - EFI_KEY_DATA KeyData; - - Private = GOP_PRIVATE_DATA_FROM_TEXT_IN_THIS (This); - if (Private->UgaIo == NULL) { - return EFI_NOT_READY; - } - - // - // Enter critical section - // - OldTpl = gBS->RaiseTPL (TPL_NOTIFY); - - Status = Private->UgaIo->UgaGetKey(Private->UgaIo, &KeyData); - CopyMem (Key, &KeyData.Key, sizeof (EFI_INPUT_KEY)); - - // - // Leave critical section and return - // - gBS->RestoreTPL (OldTpl); - - return Status; -} - - - -/** - SimpleTextIn and SimpleTextInEx Notify Wait Event - - @param Event Event whose notification function is being invoked. - @param Context Pointer to GOP_PRIVATE_DATA. - -**/ -VOID -EFIAPI -UnixGopSimpleTextInWaitForKey ( - IN EFI_EVENT Event, - IN VOID *Context - ) -{ - GOP_PRIVATE_DATA *Private; - EFI_STATUS Status; - EFI_TPL OldTpl; - - Private = (GOP_PRIVATE_DATA *) Context; - if (Private->UgaIo == NULL) { - return; - } - - // - // Enter critical section - // - OldTpl = gBS->RaiseTPL (TPL_NOTIFY); - - Status = Private->UgaIo->UgaCheckKey (Private->UgaIo); - if (!EFI_ERROR (Status)) { - // - // If a there is a key in the queue signal our event. - // - gBS->SignalEvent (Event); - } - // - // Leave critical section and return - // - gBS->RestoreTPL (OldTpl); -} - - -// -// Simple Text Input Ex protocol functions -// - - -/** - The Reset() function resets the input device hardware. As part - of initialization process, the firmware/device will make a quick - but reasonable attempt to verify that the device is functioning. - If the ExtendedVerification flag is TRUE the firmware may take - an extended amount of time to verify the device is operating on - reset. Otherwise the reset operation is to occur as quickly as - possible. The hardware verification process is not defined by - this specification and is left up to the platform firmware or - driver to implement. - - @param This A pointer to the EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL instance. - - @param ExtendedVerification Indicates that the driver may - perform a more exhaustive - verification operation of the - device during reset. - - - @retval EFI_SUCCESS The device was reset. - - @retval EFI_DEVICE_ERROR The device is not functioning - correctly and could not be reset. - -**/ -EFI_STATUS -EFIAPI -UnixGopSimpleTextInExResetEx ( - IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This, - IN BOOLEAN ExtendedVerification - ) -/*++ - - Routine Description: - Reset the input device and optionaly run diagnostics - - Arguments: - This - Protocol instance pointer. - ExtendedVerification - Driver may perform diagnostics on reset. - - Returns: - EFI_SUCCESS - The device was reset. - ---*/ -{ - GOP_PRIVATE_DATA *Private; - - Private = GOP_PRIVATE_DATA_FROM_TEXT_IN_EX_THIS (This); - - return EFI_SUCCESS; -} - - - -/** - The function reads the next keystroke from the input device. If - there is no pending keystroke the function returns - EFI_NOT_READY. If there is a pending keystroke, then - KeyData.Key.ScanCode is the EFI scan code defined in Error! - Reference source not found. The KeyData.Key.UnicodeChar is the - actual printable character or is zero if the key does not - represent a printable character (control key, function key, - etc.). The KeyData.KeyState is shift state for the character - reflected in KeyData.Key.UnicodeChar or KeyData.Key.ScanCode . - When interpreting the data from this function, it should be - noted that if a class of printable characters that are - normally adjusted by shift modifiers (e.g. Shift Key + "f" - key) would be presented solely as a KeyData.Key.UnicodeChar - without the associated shift state. So in the previous example - of a Shift Key + "f" key being pressed, the only pertinent - data returned would be KeyData.Key.UnicodeChar with the value - of "F". This of course would not typically be the case for - non-printable characters such as the pressing of the Right - Shift Key + F10 key since the corresponding returned data - would be reflected both in the KeyData.KeyState.KeyShiftState - and KeyData.Key.ScanCode values. UEFI drivers which implement - the EFI_SIMPLE_TEXT_INPUT_EX protocol are required to return - KeyData.Key and KeyData.KeyState values. These drivers must - always return the most current state of - KeyData.KeyState.KeyShiftState and - KeyData.KeyState.KeyToggleState. It should also be noted that - certain input devices may not be able to produce shift or toggle - state information, and in those cases the high order bit in the - respective Toggle and Shift state fields should not be active. - - - @param This A pointer to the EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL instance. - - @param KeyData A pointer to a buffer that is filled in with - the keystroke state data for the key that was - pressed. - - - @retval EFI_SUCCESS The keystroke information was - returned. - - @retval EFI_NOT_READY There was no keystroke data available. - EFI_DEVICE_ERROR The keystroke - information was not returned due to - hardware errors. - - -**/ -EFI_STATUS -EFIAPI -UnixGopSimpleTextInExReadKeyStrokeEx ( - IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This, - OUT EFI_KEY_DATA *KeyData - ) -/*++ - - Routine Description: - Reads the next keystroke from the input device. The WaitForKey Event can - be used to test for existance of a keystroke via WaitForEvent () call. - - Arguments: - This - Protocol instance pointer. - KeyData - A pointer to a buffer that is filled in with the keystroke - state data for the key that was pressed. - - Returns: - EFI_SUCCESS - The keystroke information was returned. - EFI_NOT_READY - There was no keystroke data availiable. - EFI_DEVICE_ERROR - The keystroke information was not returned due to - hardware errors. - EFI_INVALID_PARAMETER - KeyData is NULL. - ---*/ -{ - EFI_STATUS Status; - GOP_PRIVATE_DATA *Private; - EFI_TPL OldTpl; - - - if (KeyData == NULL) { - return EFI_INVALID_PARAMETER; - } - - Private = GOP_PRIVATE_DATA_FROM_TEXT_IN_THIS (This); - if (Private->UgaIo == NULL) { - return EFI_NOT_READY; - } - - // - // Enter critical section - // - OldTpl = gBS->RaiseTPL (TPL_NOTIFY); - - Status = Private->UgaIo->UgaGetKey(Private->UgaIo, KeyData); - - // - // Leave critical section and return - // - gBS->RestoreTPL (OldTpl); - - return Status; -} - - - -/** - The SetState() function allows the input device hardware to - have state settings adjusted. - - @param This A pointer to the EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL instance. - - @param KeyToggleState Pointer to the EFI_KEY_TOGGLE_STATE to - set the state for the input device. - - - @retval EFI_SUCCESS The device state was set appropriately. - - @retval EFI_DEVICE_ERROR The device is not functioning - correctly and could not have the - setting adjusted. - - @retval EFI_UNSUPPORTED The device does not support the - ability to have its state set. - -**/ -EFI_STATUS -EFIAPI -UnixGopSimpleTextInExSetState ( - IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This, - IN EFI_KEY_TOGGLE_STATE *KeyToggleState - ) -{ - GOP_PRIVATE_DATA *Private; - EFI_STATUS Status; - EFI_TPL OldTpl; - - Private = GOP_PRIVATE_DATA_FROM_TEXT_IN_THIS (This); - if (Private->UgaIo == NULL) { - return EFI_NOT_READY; - } - - // - // Enter critical section - // - OldTpl = gBS->RaiseTPL (TPL_NOTIFY); - - Status = Private->UgaIo->UgaKeySetState (Private->UgaIo, KeyToggleState); - // - // Leave critical section and return - // - gBS->RestoreTPL (OldTpl); - - return Status; -} - - -/** - SimpleTextIn and SimpleTextInEx Notify Wait Event - - @param Event Event whose notification function is being invoked. - @param Context Pointer to GOP_PRIVATE_DATA. - -**/ -VOID -EFIAPI -UnixGopRegisterKeyCallback ( - IN EFI_EVENT Event, - IN VOID *Context - ) -{ - UNIX_GOP_SIMPLE_TEXTIN_EX_NOTIFY *ExNotify = (UNIX_GOP_SIMPLE_TEXTIN_EX_NOTIFY *)Context; - - ExNotify->KeyNotificationFn (&ExNotify->KeyData); -} - - - -/** - The RegisterKeystrokeNotify() function registers a function - which will be called when a specified keystroke will occur. - - @param This A pointer to the EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL instance. - - @param KeyData A pointer to a buffer that is filled in with - the keystroke information for the key that was - pressed. - - @param KeyNotificationFunction Points to the function to be - called when the key sequence - is typed specified by KeyData. - - - @param NotifyHandle Points to the unique handle assigned to - the registered notification. - - @retval EFI_SUCCESS The device state was set - appropriately. - - @retval EFI_OUT_OF_RESOURCES Unable to allocate necessary - data structures. - -**/ -EFI_STATUS -EFIAPI -UnixGopSimpleTextInExRegisterKeyNotify ( - IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This, - IN EFI_KEY_DATA *KeyData, - IN EFI_KEY_NOTIFY_FUNCTION KeyNotificationFunction, - OUT VOID **NotifyHandle - ) -{ - EFI_STATUS Status; - GOP_PRIVATE_DATA *Private; - UNIX_GOP_SIMPLE_TEXTIN_EX_NOTIFY *CurrentNotify; - LIST_ENTRY *Link; - UNIX_GOP_SIMPLE_TEXTIN_EX_NOTIFY *NewNotify; - - if (KeyData == NULL || KeyNotificationFunction == NULL || NotifyHandle == NULL) { - return EFI_INVALID_PARAMETER; - } - - Private = GOP_PRIVATE_DATA_FROM_TEXT_IN_EX_THIS (This); - - // - // Return EFI_SUCCESS if the (KeyData, NotificationFunction) is already registered. - // - for (Link = Private->NotifyList.ForwardLink; Link != &Private->NotifyList; Link = Link->ForwardLink) { - CurrentNotify = CR ( - Link, - UNIX_GOP_SIMPLE_TEXTIN_EX_NOTIFY, - NotifyEntry, - UNIX_GOP_SIMPLE_TEXTIN_EX_NOTIFY_SIGNATURE - ); - if (GopPrivateIsKeyRegistered (&CurrentNotify->KeyData, KeyData)) { - if (CurrentNotify->KeyNotificationFn == KeyNotificationFunction) { - *NotifyHandle = CurrentNotify; - return EFI_SUCCESS; - } - } - } - - // - // Allocate resource to save the notification function - // - NewNotify = (UNIX_GOP_SIMPLE_TEXTIN_EX_NOTIFY *) AllocateZeroPool (sizeof (UNIX_GOP_SIMPLE_TEXTIN_EX_NOTIFY)); - if (NewNotify == NULL) { - return EFI_OUT_OF_RESOURCES; - } - - NewNotify->Signature = UNIX_GOP_SIMPLE_TEXTIN_EX_NOTIFY_SIGNATURE; - NewNotify->KeyNotificationFn = KeyNotificationFunction; - CopyMem (&NewNotify->KeyData, KeyData, sizeof (KeyData)); - InsertTailList (&Private->NotifyList, &NewNotify->NotifyEntry); - - Status = gBS->CreateEvent ( - EVT_NOTIFY_SIGNAL, - TPL_NOTIFY, - UnixGopRegisterKeyCallback, - NewNotify, - NewNotify->Event - ); - ASSERT_EFI_ERROR (Status); - - - *NotifyHandle = NewNotify; - - return EFI_SUCCESS; - -} - - -/** - The UnregisterKeystrokeNotify() function removes the - notification which was previously registered. - - @param This A pointer to the EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL instance. - - @param NotificationHandle The handle of the notification - function being unregistered. - - @retval EFI_SUCCESS The device state was set appropriately. - - @retval EFI_INVALID_PARAMETER The NotificationHandle is - invalid. - -**/ -EFI_STATUS -EFIAPI -UnixGopSimpleTextInExUnregisterKeyNotify ( - IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This, - IN VOID *NotificationHandle - ) -/*++ - - Routine Description: - Remove a registered notification function from a particular keystroke. - - Arguments: - This - Protocol instance pointer. - NotificationHandle - The handle of the notification function being unregistered. - - Returns: - EFI_SUCCESS - The notification function was unregistered successfully. - EFI_INVALID_PARAMETER - The NotificationHandle is invalid. - ---*/ -{ - GOP_PRIVATE_DATA *Private; - LIST_ENTRY *Link; - UNIX_GOP_SIMPLE_TEXTIN_EX_NOTIFY *CurrentNotify; - - if (NotificationHandle == NULL) { - return EFI_INVALID_PARAMETER; - } - - if (((UNIX_GOP_SIMPLE_TEXTIN_EX_NOTIFY *) NotificationHandle)->Signature != UNIX_GOP_SIMPLE_TEXTIN_EX_NOTIFY_SIGNATURE) { - return EFI_INVALID_PARAMETER; - } - - Private = GOP_PRIVATE_DATA_FROM_TEXT_IN_EX_THIS (This); - - for (Link = Private->NotifyList.ForwardLink; Link != &Private->NotifyList; Link = Link->ForwardLink) { - CurrentNotify = CR ( - Link, - UNIX_GOP_SIMPLE_TEXTIN_EX_NOTIFY, - NotifyEntry, - UNIX_GOP_SIMPLE_TEXTIN_EX_NOTIFY_SIGNATURE - ); - if (CurrentNotify == NotificationHandle) { - // - // Remove the notification function from NotifyList and free resources - // - RemoveEntryList (&CurrentNotify->NotifyEntry); - - gBS->CloseEvent (CurrentNotify->Event); - - gBS->FreePool (CurrentNotify); - return EFI_SUCCESS; - } - } - - // - // Can not find the specified Notification Handle - // - return EFI_INVALID_PARAMETER; -} - - - -/** - Initialize SimplelTextIn and SimpleTextInEx protocols in the Private - context structure. - - @param Private Context structure to fill in. - - @return EFI_SUCCESS Initialization was a success - -**/ -EFI_STATUS -UnixGopInitializeSimpleTextInForWindow ( - IN GOP_PRIVATE_DATA *Private - ) -{ - EFI_STATUS Status; - - // - // Initialize Simple Text In protoocol - // - Private->SimpleTextIn.Reset = UnixGopSimpleTextInReset; - Private->SimpleTextIn.ReadKeyStroke = UnixGopSimpleTextInReadKeyStroke; - - Status = gBS->CreateEvent ( - EVT_NOTIFY_WAIT, - TPL_NOTIFY, - UnixGopSimpleTextInWaitForKey, - Private, - &Private->SimpleTextIn.WaitForKey - ); - ASSERT_EFI_ERROR (Status); - - - // - // Initialize Simple Text In Ex - // - - Private->SimpleTextInEx.Reset = UnixGopSimpleTextInExResetEx; - Private->SimpleTextInEx.ReadKeyStrokeEx = UnixGopSimpleTextInExReadKeyStrokeEx; - Private->SimpleTextInEx.SetState = UnixGopSimpleTextInExSetState; - Private->SimpleTextInEx.RegisterKeyNotify = UnixGopSimpleTextInExRegisterKeyNotify; - Private->SimpleTextInEx.UnregisterKeyNotify = UnixGopSimpleTextInExUnregisterKeyNotify; - - Private->SimpleTextInEx.Reset (&Private->SimpleTextInEx, FALSE); - - InitializeListHead (&Private->NotifyList); - - Status = gBS->CreateEvent ( - EVT_NOTIFY_WAIT, - TPL_NOTIFY, - UnixGopSimpleTextInWaitForKey, - Private, - &Private->SimpleTextInEx.WaitForKeyEx - ); - ASSERT_EFI_ERROR (Status); - - - return Status; -} - - - - - - - -// -// Simple Pointer implementation. -// - - -/** - Resets the pointer device hardware. - - @param This A pointer to the EFI_SIMPLE_POINTER_PROTOCOL - instance. - @param ExtendedVerification Indicates that the driver may perform a more exhaustive - verification operation of the device during reset. - - @retval EFI_SUCCESS The device was reset. - @retval EFI_DEVICE_ERROR The device is not functioning correctly and could not be reset. - -**/ -EFI_STATUS -EFIAPI -UnixGopSimplePointerReset ( - IN EFI_SIMPLE_POINTER_PROTOCOL *This, - IN BOOLEAN ExtendedVerification - ) -{ - GOP_PRIVATE_DATA *Private; - EFI_SIMPLE_POINTER_STATE State; - EFI_TPL OldTpl; - - Private = GOP_PRIVATE_DATA_FROM_POINTER_MODE_THIS (This); - if (Private->UgaIo == NULL) { - return EFI_SUCCESS; - } - - // - // Enter critical section - // - OldTpl = gBS->RaiseTPL (TPL_NOTIFY); - - // - // A reset is draining the Queue - // - while (Private->UgaIo->UgaGetPointerState (Private->UgaIo, &State) == EFI_SUCCESS) - ; - - // - // Leave critical section and return - // - gBS->RestoreTPL (OldTpl); - return EFI_SUCCESS; -} - - -/** - Retrieves the current state of a pointer device. - - @param This A pointer to the EFI_SIMPLE_POINTER_PROTOCOL - instance. - @param State A pointer to the state information on the pointer device. - - @retval EFI_SUCCESS The state of the pointer device was returned in State. - @retval EFI_NOT_READY The state of the pointer device has not changed since the last call to - GetState(). - @retval EFI_DEVICE_ERROR A device error occurred while attempting to retrieve the pointer device's - current state. - -**/ -EFI_STATUS -EFIAPI -UnixGopSimplePointerGetState ( - IN EFI_SIMPLE_POINTER_PROTOCOL *This, - IN OUT EFI_SIMPLE_POINTER_STATE *State - ) -{ - GOP_PRIVATE_DATA *Private; - EFI_STATUS Status; - EFI_TPL OldTpl; - - Private = GOP_PRIVATE_DATA_FROM_POINTER_MODE_THIS (This); - if (Private->UgaIo == NULL) { - return EFI_NOT_READY; - } - - // - // Enter critical section - // - OldTpl = gBS->RaiseTPL (TPL_NOTIFY); - - Status = Private->UgaIo->UgaGetPointerState (Private->UgaIo, State); - // - // Leave critical section and return - // - gBS->RestoreTPL (OldTpl); - - return Status; -} - - -/** - SimplePointer Notify Wait Event - - @param Event Event whose notification function is being invoked. - @param Context Pointer to GOP_PRIVATE_DATA. - -**/ -VOID -EFIAPI -UnixGopSimplePointerWaitForInput ( - IN EFI_EVENT Event, - IN VOID *Context - ) -{ - GOP_PRIVATE_DATA *Private; - EFI_STATUS Status; - EFI_TPL OldTpl; - - Private = (GOP_PRIVATE_DATA *) Context; - if (Private->UgaIo == NULL) { - return; - } - - // - // Enter critical section - // - OldTpl = gBS->RaiseTPL (TPL_NOTIFY); - - Status = Private->UgaIo->UgaCheckPointer (Private->UgaIo); - if (!EFI_ERROR (Status)) { - // - // If the pointer state has changed, signal our event. - // - gBS->SignalEvent (Event); - } - // - // Leave critical section and return - // - gBS->RestoreTPL (OldTpl); -} - - -/** - SimplePointer constructor - - @param Private Context structure to fill in. - - @retval EFI_SUCCESS Constructor had success - -**/ -EFI_STATUS -UnixGopInitializeSimplePointerForWindow ( - IN GOP_PRIVATE_DATA *Private - ) -{ - EFI_STATUS Status; - - // - // Initialize Simple Pointer protoocol - // - Private->PointerMode.ResolutionX = 1; - Private->PointerMode.ResolutionY = 1; - Private->PointerMode.ResolutionZ = 1; - Private->PointerMode.LeftButton = TRUE; - Private->PointerMode.RightButton = TRUE; - - Private->SimplePointer.Reset = UnixGopSimplePointerReset; - Private->SimplePointer.GetState = UnixGopSimplePointerGetState; - Private->SimplePointer.Mode = &Private->PointerMode; - - Status = gBS->CreateEvent ( - EVT_NOTIFY_WAIT, - TPL_NOTIFY, - UnixGopSimplePointerWaitForInput, - Private, - &Private->SimplePointer.WaitForInput - ); - - return Status; -} |