diff options
Diffstat (limited to 'MdeModulePkg/Universal')
| -rw-r--r-- | MdeModulePkg/Universal/Console/TerminalDxe/Ansi.c | 158 | ||||
| -rw-r--r-- | MdeModulePkg/Universal/Console/TerminalDxe/TerminalConIn.c | 3140 | ||||
| -rw-r--r-- | MdeModulePkg/Universal/Console/TerminalDxe/Vtutf8.c | 656 |
3 files changed, 1978 insertions, 1976 deletions
diff --git a/MdeModulePkg/Universal/Console/TerminalDxe/Ansi.c b/MdeModulePkg/Universal/Console/TerminalDxe/Ansi.c index 4ebd7c9f46..4f84cc09ce 100644 --- a/MdeModulePkg/Universal/Console/TerminalDxe/Ansi.c +++ b/MdeModulePkg/Universal/Console/TerminalDxe/Ansi.c @@ -1,79 +1,79 @@ -/** @file
- Implementation of translation upon PC ANSI.
-
-Copyright (c) 2006 - 2008, 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.
-
-**/
-
-
-#include "Terminal.h"
-
-/**
- Translate all raw data in the Raw FIFO into unicode, and insert
- them into Unicode FIFO.
-
- @param TerminalDevice The terminal device.
-
-**/
-VOID
-AnsiRawDataToUnicode (
- IN TERMINAL_DEV *TerminalDevice
- )
-{
- UINT8 RawData;
-
- //
- // pop the raw data out from the raw fifo,
- // and translate it into unicode, then push
- // the unicode into unicode fifo, until the raw fifo is empty.
- //
- while (!IsRawFiFoEmpty (TerminalDevice)) {
-
- RawFiFoRemoveOneKey (TerminalDevice, &RawData);
-
- UnicodeFiFoInsertOneKey (TerminalDevice, (UINT16) RawData);
- }
-}
-
-/**
- Check if input string is valid Ascii string, valid EFI control characters
- or valid text graphics.
-
- @param TerminalDevice The terminal device.
- @param WString The input string.
-
- @retval EFI_UNSUPPORTED If not all input characters are valid.
- @retval EFI_SUCCESS If all input characters are valid.
-
-**/
-EFI_STATUS
-AnsiTestString (
- IN TERMINAL_DEV *TerminalDevice,
- IN CHAR16 *WString
- )
-{
- CHAR8 GraphicChar;
-
- //
- // support three kind of character:
- // valid ascii, valid efi control char, valid text graphics.
- //
- for (; *WString != CHAR_NULL; WString++) {
-
- if ( !(TerminalIsValidAscii (*WString) ||
- TerminalIsValidEfiCntlChar (*WString) ||
- TerminalIsValidTextGraphics (*WString, &GraphicChar, NULL) )) {
-
- return EFI_UNSUPPORTED;
- }
- }
-
- return EFI_SUCCESS;
-}
+/** @file + Implementation of translation upon PC ANSI. + +Copyright (c) 2006 - 2008, 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. + +**/ + + +#include "Terminal.h" + +/** + Translate all raw data in the Raw FIFO into unicode, and insert + them into Unicode FIFO. + + @param TerminalDevice The terminal device. + +**/ +VOID +AnsiRawDataToUnicode ( + IN TERMINAL_DEV *TerminalDevice + ) +{ + UINT8 RawData; + + // + // pop the raw data out from the raw fifo, + // and translate it into unicode, then push + // the unicode into unicode fifo, until the raw fifo is empty. + // + while (!IsRawFiFoEmpty (TerminalDevice) && !IsUnicodeFiFoFull(TerminalDevice) ) { + + RawFiFoRemoveOneKey (TerminalDevice, &RawData); + + UnicodeFiFoInsertOneKey (TerminalDevice, (UINT16) RawData); + } +} + +/** + Check if input string is valid Ascii string, valid EFI control characters + or valid text graphics. + + @param TerminalDevice The terminal device. + @param WString The input string. + + @retval EFI_UNSUPPORTED If not all input characters are valid. + @retval EFI_SUCCESS If all input characters are valid. + +**/ +EFI_STATUS +AnsiTestString ( + IN TERMINAL_DEV *TerminalDevice, + IN CHAR16 *WString + ) +{ + CHAR8 GraphicChar; + + // + // support three kind of character: + // valid ascii, valid efi control char, valid text graphics. + // + for (; *WString != CHAR_NULL; WString++) { + + if ( !(TerminalIsValidAscii (*WString) || + TerminalIsValidEfiCntlChar (*WString) || + TerminalIsValidTextGraphics (*WString, &GraphicChar, NULL) )) { + + return EFI_UNSUPPORTED; + } + } + + return EFI_SUCCESS; +} diff --git a/MdeModulePkg/Universal/Console/TerminalDxe/TerminalConIn.c b/MdeModulePkg/Universal/Console/TerminalDxe/TerminalConIn.c index b5dbaf9280..662cd5682f 100644 --- a/MdeModulePkg/Universal/Console/TerminalDxe/TerminalConIn.c +++ b/MdeModulePkg/Universal/Console/TerminalDxe/TerminalConIn.c @@ -1,1569 +1,1571 @@ -/** @file
- Implementation for EFI_SIMPLE_TEXT_INPUT_PROTOCOL protocol.
-
-Copyright (c) 2006 - 2011, 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.
-
-**/
-
-#include "Terminal.h"
-
-
-/**
- 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 TerminalDevice Terminal driver private structure
- @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.
- @retval EFI_INVALID_PARAMETER KeyData is NULL.
-
-**/
-EFI_STATUS
-ReadKeyStrokeWorker (
- IN TERMINAL_DEV *TerminalDevice,
- OUT EFI_KEY_DATA *KeyData
- )
-{
- if (KeyData == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- if (!EfiKeyFiFoRemoveOneKey (TerminalDevice, &KeyData->Key)) {
- return EFI_NOT_READY;
- }
-
- KeyData->KeyState.KeyShiftState = 0;
- KeyData->KeyState.KeyToggleState = 0;
-
-
- return EFI_SUCCESS;
-
-}
-
-/**
- Implements EFI_SIMPLE_TEXT_INPUT_PROTOCOL.Reset().
- This driver only perform dependent serial device reset regardless of
- the value of ExtendeVerification
-
- @param This Indicates the calling context.
- @param ExtendedVerification Skip by this driver.
-
- @retval EFI_SUCCESS The reset operation succeeds.
- @retval EFI_DEVICE_ERROR The dependent serial port reset fails.
-
-**/
-EFI_STATUS
-EFIAPI
-TerminalConInReset (
- IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,
- IN BOOLEAN ExtendedVerification
- )
-{
- EFI_STATUS Status;
- TERMINAL_DEV *TerminalDevice;
-
- TerminalDevice = TERMINAL_CON_IN_DEV_FROM_THIS (This);
-
- //
- // Report progress code here
- //
- REPORT_STATUS_CODE_WITH_DEVICE_PATH (
- EFI_PROGRESS_CODE,
- (EFI_PERIPHERAL_REMOTE_CONSOLE | EFI_P_PC_RESET),
- TerminalDevice->DevicePath
- );
-
- Status = TerminalDevice->SerialIo->Reset (TerminalDevice->SerialIo);
-
- //
- // Make all the internal buffer empty for keys
- //
- TerminalDevice->RawFiFo->Head = TerminalDevice->RawFiFo->Tail;
- TerminalDevice->UnicodeFiFo->Head = TerminalDevice->UnicodeFiFo->Tail;
- TerminalDevice->EfiKeyFiFo->Head = TerminalDevice->EfiKeyFiFo->Tail;
-
- if (EFI_ERROR (Status)) {
- REPORT_STATUS_CODE_WITH_DEVICE_PATH (
- EFI_ERROR_CODE | EFI_ERROR_MINOR,
- (EFI_PERIPHERAL_REMOTE_CONSOLE | EFI_P_EC_CONTROLLER_ERROR),
- TerminalDevice->DevicePath
- );
- }
-
- return Status;
-}
-
-/**
- Implements EFI_SIMPLE_TEXT_INPUT_PROTOCOL.ReadKeyStroke().
-
- @param This Indicates the calling context.
- @param Key A pointer to a buffer that is filled in with the
- keystroke information for the key that was sent
- from terminal.
-
- @retval EFI_SUCCESS The keystroke information is returned successfully.
- @retval EFI_NOT_READY There is no keystroke data available.
- @retval EFI_DEVICE_ERROR The dependent serial device encounters error.
-
-**/
-EFI_STATUS
-EFIAPI
-TerminalConInReadKeyStroke (
- IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,
- OUT EFI_INPUT_KEY *Key
- )
-{
- TERMINAL_DEV *TerminalDevice;
- EFI_STATUS Status;
- EFI_KEY_DATA KeyData;
-
- //
- // get TERMINAL_DEV from "This" parameter.
- //
- TerminalDevice = TERMINAL_CON_IN_DEV_FROM_THIS (This);
-
- Status = ReadKeyStrokeWorker (TerminalDevice, &KeyData);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- CopyMem (Key, &KeyData.Key, sizeof (EFI_INPUT_KEY));
-
- return EFI_SUCCESS;
-
-}
-
-/**
- Check if the key already has been registered.
-
- If both RegsiteredData and InputData is NULL, then ASSERT().
-
- @param RegsiteredData A pointer to a buffer that is filled in with the
- keystroke state data for the key that was
- registered.
- @param InputData A pointer to a buffer that is filled in with the
- keystroke state data for the key that was
- pressed.
-
- @retval TRUE Key be pressed matches a registered key.
- @retval FLASE Match failed.
-
-**/
-BOOLEAN
-IsKeyRegistered (
- IN EFI_KEY_DATA *RegsiteredData,
- IN EFI_KEY_DATA *InputData
- )
-{
- ASSERT (RegsiteredData != NULL && InputData != NULL);
-
- if ((RegsiteredData->Key.ScanCode != InputData->Key.ScanCode) ||
- (RegsiteredData->Key.UnicodeChar != InputData->Key.UnicodeChar)) {
- return FALSE;
- }
-
- return TRUE;
-}
-
-
-
-/**
- Event notification function for EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL.WaitForKeyEx event
- Signal the event if there is key available
-
- @param Event Indicates the event that invoke this function.
- @param Context Indicates the calling context.
-
-**/
-VOID
-EFIAPI
-TerminalConInWaitForKeyEx (
- IN EFI_EVENT Event,
- IN VOID *Context
- )
-{
- TerminalConInWaitForKey (Event, Context);
-}
-
-//
-// Simple Text Input Ex protocol functions
-//
-
-/**
- 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
-TerminalConInResetEx (
- IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
- IN BOOLEAN ExtendedVerification
- )
-{
- EFI_STATUS Status;
- TERMINAL_DEV *TerminalDevice;
-
- TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);
-
- Status = TerminalDevice->SimpleInput.Reset (&TerminalDevice->SimpleInput, ExtendedVerification);
- if (EFI_ERROR (Status)) {
- return EFI_DEVICE_ERROR;
- }
-
- 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 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.
- @retval EFI_DEVICE_ERROR The keystroke information was not returned due
- to hardware errors.
- @retval EFI_INVALID_PARAMETER KeyData is NULL.
-
-**/
-EFI_STATUS
-EFIAPI
-TerminalConInReadKeyStrokeEx (
- IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
- OUT EFI_KEY_DATA *KeyData
- )
-{
- TERMINAL_DEV *TerminalDevice;
-
- if (KeyData == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);
-
- return ReadKeyStrokeWorker (TerminalDevice, KeyData);
-
-}
-
-
-/**
- Set certain state for the input device.
-
- @param This Protocol instance pointer.
- @param KeyToggleState A pointer to the EFI_KEY_TOGGLE_STATE to set the
- state for the input device.
-
- @retval EFI_SUCCESS The device state was set successfully.
- @retval EFI_DEVICE_ERROR The device is not functioning correctly and
- could not have the setting adjusted.
- @retval EFI_UNSUPPORTED The device does not have the ability to set its
- state.
- @retval EFI_INVALID_PARAMETER KeyToggleState is NULL.
-
-**/
-EFI_STATUS
-EFIAPI
-TerminalConInSetState (
- IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
- IN EFI_KEY_TOGGLE_STATE *KeyToggleState
- )
-{
- if (KeyToggleState == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- return EFI_SUCCESS;
-}
-
-
-/**
- Register a notification function for a particular keystroke for the input device.
-
- @param This Protocol instance pointer.
- @param KeyData A pointer to a buffer that is filled in with the
- keystroke information data 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 notification function was registered
- successfully.
- @retval EFI_OUT_OF_RESOURCES Unable to allocate resources for necessary data
- structures.
- @retval EFI_INVALID_PARAMETER KeyData or NotifyHandle is NULL.
-
-**/
-EFI_STATUS
-EFIAPI
-TerminalConInRegisterKeyNotify (
- IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
- IN EFI_KEY_DATA *KeyData,
- IN EFI_KEY_NOTIFY_FUNCTION KeyNotificationFunction,
- OUT EFI_HANDLE *NotifyHandle
- )
-{
- TERMINAL_DEV *TerminalDevice;
- TERMINAL_CONSOLE_IN_EX_NOTIFY *NewNotify;
- LIST_ENTRY *Link;
- LIST_ENTRY *NotifyList;
- TERMINAL_CONSOLE_IN_EX_NOTIFY *CurrentNotify;
-
- if (KeyData == NULL || NotifyHandle == NULL || KeyNotificationFunction == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);
-
- //
- // Return EFI_SUCCESS if the (KeyData, NotificationFunction) is already registered.
- //
- NotifyList = &TerminalDevice->NotifyList;
- for (Link = GetFirstNode (NotifyList); !IsNull (NotifyList,Link); Link = GetNextNode (NotifyList,Link)) {
- CurrentNotify = CR (
- Link,
- TERMINAL_CONSOLE_IN_EX_NOTIFY,
- NotifyEntry,
- TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE
- );
- if (IsKeyRegistered (&CurrentNotify->KeyData, KeyData)) {
- if (CurrentNotify->KeyNotificationFn == KeyNotificationFunction) {
- *NotifyHandle = CurrentNotify->NotifyHandle;
- return EFI_SUCCESS;
- }
- }
- }
-
- //
- // Allocate resource to save the notification function
- //
- NewNotify = (TERMINAL_CONSOLE_IN_EX_NOTIFY *) AllocateZeroPool (sizeof (TERMINAL_CONSOLE_IN_EX_NOTIFY));
- if (NewNotify == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- NewNotify->Signature = TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE;
- NewNotify->KeyNotificationFn = KeyNotificationFunction;
- NewNotify->NotifyHandle = (EFI_HANDLE) NewNotify;
- CopyMem (&NewNotify->KeyData, KeyData, sizeof (KeyData));
- InsertTailList (&TerminalDevice->NotifyList, &NewNotify->NotifyEntry);
-
- *NotifyHandle = NewNotify->NotifyHandle;
-
- return EFI_SUCCESS;
-}
-
-
-/**
- Remove a registered notification function from a particular keystroke.
-
- @param This Protocol instance pointer.
- @param NotificationHandle The handle of the notification function being
- unregistered.
-
- @retval EFI_SUCCESS The notification function was unregistered
- successfully.
- @retval EFI_INVALID_PARAMETER The NotificationHandle is invalid.
-
-**/
-EFI_STATUS
-EFIAPI
-TerminalConInUnregisterKeyNotify (
- IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
- IN EFI_HANDLE NotificationHandle
- )
-{
- TERMINAL_DEV *TerminalDevice;
- LIST_ENTRY *Link;
- TERMINAL_CONSOLE_IN_EX_NOTIFY *CurrentNotify;
- LIST_ENTRY *NotifyList;
-
- if (NotificationHandle == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- if (((TERMINAL_CONSOLE_IN_EX_NOTIFY *) NotificationHandle)->Signature != TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE) {
- return EFI_INVALID_PARAMETER;
- }
-
- TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);
-
- NotifyList = &TerminalDevice->NotifyList;
- for (Link = GetFirstNode (NotifyList); !IsNull (NotifyList,Link); Link = GetNextNode (NotifyList,Link)) {
- CurrentNotify = CR (
- Link,
- TERMINAL_CONSOLE_IN_EX_NOTIFY,
- NotifyEntry,
- TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE
- );
- if (CurrentNotify->NotifyHandle == NotificationHandle) {
- //
- // Remove the notification function from NotifyList and free resources
- //
- RemoveEntryList (&CurrentNotify->NotifyEntry);
-
- gBS->FreePool (CurrentNotify);
- return EFI_SUCCESS;
- }
- }
-
- //
- // Can not find the matching entry in database.
- //
- return EFI_INVALID_PARAMETER;
-}
-
-/**
- Translate raw data into Unicode (according to different encode), and
- translate Unicode into key information. (according to different standard).
-
- @param TerminalDevice Terminal driver private structure.
-
-**/
-VOID
-TranslateRawDataToEfiKey (
- IN TERMINAL_DEV *TerminalDevice
- )
-{
- switch (TerminalDevice->TerminalType) {
-
- case PCANSITYPE:
- case VT100TYPE:
- case VT100PLUSTYPE:
- AnsiRawDataToUnicode (TerminalDevice);
- UnicodeToEfiKey (TerminalDevice);
- break;
-
- case VTUTF8TYPE:
- //
- // Process all the raw data in the RawFIFO,
- // put the processed key into UnicodeFIFO.
- //
- VTUTF8RawDataToUnicode (TerminalDevice);
-
- //
- // Translate all the Unicode data in the UnicodeFIFO to Efi key,
- // then put into EfiKeyFIFO.
- //
- UnicodeToEfiKey (TerminalDevice);
-
- break;
- }
-}
-
-/**
- Event notification function for EFI_SIMPLE_TEXT_INPUT_PROTOCOL.WaitForKey event
- Signal the event if there is key available
-
- @param Event Indicates the event that invoke this function.
- @param Context Indicates the calling context.
-
-**/
-VOID
-EFIAPI
-TerminalConInWaitForKey (
- IN EFI_EVENT Event,
- IN VOID *Context
- )
-{
- //
- // Someone is waiting on the keystroke event, if there's
- // a key pending, signal the event
- //
- if (!IsEfiKeyFiFoEmpty ((TERMINAL_DEV *) Context)) {
-
- gBS->SignalEvent (Event);
- }
-}
-
-/**
- Timer handler to poll the key from serial.
-
- @param Event Indicates the event that invoke this function.
- @param Context Indicates the calling context.
-**/
-VOID
-EFIAPI
-TerminalConInTimerHandler (
- IN EFI_EVENT Event,
- IN VOID *Context
- )
-{
- EFI_STATUS Status;
- TERMINAL_DEV *TerminalDevice;
- UINT8 Input;
- EFI_SERIAL_IO_MODE *Mode;
- EFI_SERIAL_IO_PROTOCOL *SerialIo;
- UINTN SerialInTimeOut;
-
- TerminalDevice = (TERMINAL_DEV *) Context;
-
- SerialIo = TerminalDevice->SerialIo;
- if (SerialIo == NULL) {
- return ;
- }
- //
- // if current timeout value for serial device is not identical with
- // the value saved in TERMINAL_DEV structure, then recalculate the
- // timeout value again and set serial attribute according to this value.
- //
- Mode = SerialIo->Mode;
- if (Mode->Timeout != TerminalDevice->SerialInTimeOut) {
-
- SerialInTimeOut = 0;
- if (Mode->BaudRate != 0) {
- //
- // According to BAUD rate to calculate the timeout value.
- //
- SerialInTimeOut = (1 + Mode->DataBits + Mode->StopBits) * 2 * 1000000 / (UINTN) Mode->BaudRate;
- }
-
- Status = SerialIo->SetAttributes (
- SerialIo,
- Mode->BaudRate,
- Mode->ReceiveFifoDepth,
- (UINT32) SerialInTimeOut,
- (EFI_PARITY_TYPE) (Mode->Parity),
- (UINT8) Mode->DataBits,
- (EFI_STOP_BITS_TYPE) (Mode->StopBits)
- );
-
- if (EFI_ERROR (Status)) {
- TerminalDevice->SerialInTimeOut = 0;
- } else {
- TerminalDevice->SerialInTimeOut = SerialInTimeOut;
- }
- }
-
- //
- // Fetch all the keys in the serial buffer,
- // and insert the byte stream into RawFIFO.
- //
- do {
-
- Status = GetOneKeyFromSerial (TerminalDevice->SerialIo, &Input);
-
- if (EFI_ERROR (Status)) {
- if (Status == EFI_DEVICE_ERROR) {
- REPORT_STATUS_CODE_WITH_DEVICE_PATH (
- EFI_ERROR_CODE | EFI_ERROR_MINOR,
- (EFI_PERIPHERAL_REMOTE_CONSOLE | EFI_P_EC_INPUT_ERROR),
- TerminalDevice->DevicePath
- );
- }
- break;
- }
-
- RawFiFoInsertOneKey (TerminalDevice, Input);
- } while (TRUE);
-
- //
- // Translate all the raw data in RawFIFO into EFI Key,
- // according to different terminal type supported.
- //
- TranslateRawDataToEfiKey (TerminalDevice);
-}
-
-/**
- Get one key out of serial buffer.
-
- @param SerialIo Serial I/O protocol attached to the serial device.
- @param Output The fetched key.
-
- @retval EFI_NOT_READY If serial buffer is empty.
- @retval EFI_DEVICE_ERROR If reading serial buffer encounter error.
- @retval EFI_SUCCESS If reading serial buffer successfully, put
- the fetched key to the parameter output.
-
-**/
-EFI_STATUS
-GetOneKeyFromSerial (
- EFI_SERIAL_IO_PROTOCOL *SerialIo,
- UINT8 *Output
- )
-{
- EFI_STATUS Status;
- UINTN Size;
-
- Size = 1;
- *Output = 0;
-
- //
- // Read one key from serial I/O device.
- //
- Status = SerialIo->Read (SerialIo, &Size, Output);
-
- if (EFI_ERROR (Status)) {
-
- if (Status == EFI_TIMEOUT) {
- return EFI_NOT_READY;
- }
-
- return EFI_DEVICE_ERROR;
-
- }
-
- if (*Output == 0) {
- return EFI_NOT_READY;
- }
-
- return EFI_SUCCESS;
-}
-
-/**
- Insert one byte raw data into the Raw Data FIFO.
-
- @param TerminalDevice Terminal driver private structure.
- @param Input The key will be input.
-
- @retval TRUE If insert successfully.
- @retval FLASE If Raw Data buffer is full before key insertion,
- and the key is lost.
-
-**/
-BOOLEAN
-RawFiFoInsertOneKey (
- TERMINAL_DEV *TerminalDevice,
- UINT8 Input
- )
-{
- UINT8 Tail;
-
- Tail = TerminalDevice->RawFiFo->Tail;
-
- if (IsRawFiFoFull (TerminalDevice)) {
- //
- // Raw FIFO is full
- //
- return FALSE;
- }
-
- TerminalDevice->RawFiFo->Data[Tail] = Input;
-
- TerminalDevice->RawFiFo->Tail = (UINT8) ((Tail + 1) % (RAW_FIFO_MAX_NUMBER + 1));
-
- return TRUE;
-}
-
-/**
- Remove one pre-fetched key out of the Raw Data FIFO.
-
- @param TerminalDevice Terminal driver private structure.
- @param Output The key will be removed.
-
- @retval TRUE If insert successfully.
- @retval FLASE If Raw Data FIFO buffer is empty before remove operation.
-
-**/
-BOOLEAN
-RawFiFoRemoveOneKey (
- TERMINAL_DEV *TerminalDevice,
- UINT8 *Output
- )
-{
- UINT8 Head;
-
- Head = TerminalDevice->RawFiFo->Head;
-
- if (IsRawFiFoEmpty (TerminalDevice)) {
- //
- // FIFO is empty
- //
- *Output = 0;
- return FALSE;
- }
-
- *Output = TerminalDevice->RawFiFo->Data[Head];
-
- TerminalDevice->RawFiFo->Head = (UINT8) ((Head + 1) % (RAW_FIFO_MAX_NUMBER + 1));
-
- return TRUE;
-}
-
-/**
- Clarify whether Raw Data FIFO buffer is empty.
-
- @param TerminalDevice Terminal driver private structure
-
- @retval TRUE If Raw Data FIFO buffer is empty.
- @retval FLASE If Raw Data FIFO buffer is not empty.
-
-**/
-BOOLEAN
-IsRawFiFoEmpty (
- TERMINAL_DEV *TerminalDevice
- )
-{
- if (TerminalDevice->RawFiFo->Head == TerminalDevice->RawFiFo->Tail) {
- return TRUE;
- } else {
- return FALSE;
- }
-}
-
-/**
- Clarify whether Raw Data FIFO buffer is full.
-
- @param TerminalDevice Terminal driver private structure
-
- @retval TRUE If Raw Data FIFO buffer is full.
- @retval FLASE If Raw Data FIFO buffer is not full.
-
-**/
-BOOLEAN
-IsRawFiFoFull (
- TERMINAL_DEV *TerminalDevice
- )
-{
- UINT8 Tail;
- UINT8 Head;
-
- Tail = TerminalDevice->RawFiFo->Tail;
- Head = TerminalDevice->RawFiFo->Head;
-
- if (((Tail + 1) % (RAW_FIFO_MAX_NUMBER + 1)) == Head) {
-
- return TRUE;
- }
-
- return FALSE;
-}
-
-/**
- Insert one pre-fetched key into the FIFO buffer.
-
- @param TerminalDevice Terminal driver private structure.
- @param Key The key will be input.
-
- @retval TRUE If insert successfully.
- @retval FLASE If FIFO buffer is full before key insertion,
- and the key is lost.
-
-**/
-BOOLEAN
-EfiKeyFiFoInsertOneKey (
- TERMINAL_DEV *TerminalDevice,
- EFI_INPUT_KEY *Key
- )
-{
- UINT8 Tail;
- LIST_ENTRY *Link;
- LIST_ENTRY *NotifyList;
- TERMINAL_CONSOLE_IN_EX_NOTIFY *CurrentNotify;
- EFI_KEY_DATA KeyData;
-
- Tail = TerminalDevice->EfiKeyFiFo->Tail;
-
- CopyMem (&KeyData.Key, Key, sizeof (EFI_INPUT_KEY));
- KeyData.KeyState.KeyShiftState = 0;
- KeyData.KeyState.KeyToggleState = 0;
-
- //
- // Invoke notification functions if exist
- //
- NotifyList = &TerminalDevice->NotifyList;
- for (Link = GetFirstNode (NotifyList); !IsNull (NotifyList,Link); Link = GetNextNode (NotifyList,Link)) {
- CurrentNotify = CR (
- Link,
- TERMINAL_CONSOLE_IN_EX_NOTIFY,
- NotifyEntry,
- TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE
- );
- if (IsKeyRegistered (&CurrentNotify->KeyData, &KeyData)) {
- CurrentNotify->KeyNotificationFn (&KeyData);
- }
- }
- if (IsEfiKeyFiFoFull (TerminalDevice)) {
- //
- // Efi Key FIFO is full
- //
- return FALSE;
- }
-
- CopyMem (&TerminalDevice->EfiKeyFiFo->Data[Tail], Key, sizeof (EFI_INPUT_KEY));
-
- TerminalDevice->EfiKeyFiFo->Tail = (UINT8) ((Tail + 1) % (FIFO_MAX_NUMBER + 1));
-
- return TRUE;
-}
-
-/**
- Remove one pre-fetched key out of the FIFO buffer.
-
- @param TerminalDevice Terminal driver private structure.
- @param Output The key will be removed.
-
- @retval TRUE If insert successfully.
- @retval FLASE If FIFO buffer is empty before remove operation.
-
-**/
-BOOLEAN
-EfiKeyFiFoRemoveOneKey (
- TERMINAL_DEV *TerminalDevice,
- EFI_INPUT_KEY *Output
- )
-{
- UINT8 Head;
-
- Head = TerminalDevice->EfiKeyFiFo->Head;
- ASSERT (Head < FIFO_MAX_NUMBER + 1);
-
- if (IsEfiKeyFiFoEmpty (TerminalDevice)) {
- //
- // FIFO is empty
- //
- Output->ScanCode = SCAN_NULL;
- Output->UnicodeChar = 0;
- return FALSE;
- }
-
- *Output = TerminalDevice->EfiKeyFiFo->Data[Head];
-
- TerminalDevice->EfiKeyFiFo->Head = (UINT8) ((Head + 1) % (FIFO_MAX_NUMBER + 1));
-
- return TRUE;
-}
-
-/**
- Clarify whether FIFO buffer is empty.
-
- @param TerminalDevice Terminal driver private structure
-
- @retval TRUE If FIFO buffer is empty.
- @retval FLASE If FIFO buffer is not empty.
-
-**/
-BOOLEAN
-IsEfiKeyFiFoEmpty (
- TERMINAL_DEV *TerminalDevice
- )
-{
- if (TerminalDevice->EfiKeyFiFo->Head == TerminalDevice->EfiKeyFiFo->Tail) {
- return TRUE;
- } else {
- return FALSE;
- }
-}
-
-/**
- Clarify whether FIFO buffer is full.
-
- @param TerminalDevice Terminal driver private structure
-
- @retval TRUE If FIFO buffer is full.
- @retval FLASE If FIFO buffer is not full.
-
-**/
-BOOLEAN
-IsEfiKeyFiFoFull (
- TERMINAL_DEV *TerminalDevice
- )
-{
- UINT8 Tail;
- UINT8 Head;
-
- Tail = TerminalDevice->EfiKeyFiFo->Tail;
- Head = TerminalDevice->EfiKeyFiFo->Head;
-
- if (((Tail + 1) % (FIFO_MAX_NUMBER + 1)) == Head) {
-
- return TRUE;
- }
-
- return FALSE;
-}
-
-/**
- Insert one pre-fetched key into the Unicode FIFO buffer.
-
- @param TerminalDevice Terminal driver private structure.
- @param Input The key will be input.
-
- @retval TRUE If insert successfully.
- @retval FLASE If Unicode FIFO buffer is full before key insertion,
- and the key is lost.
-
-**/
-BOOLEAN
-UnicodeFiFoInsertOneKey (
- TERMINAL_DEV *TerminalDevice,
- UINT16 Input
- )
-{
- UINT8 Tail;
-
- Tail = TerminalDevice->UnicodeFiFo->Tail;
- ASSERT (Tail < FIFO_MAX_NUMBER + 1);
-
-
- if (IsUnicodeFiFoFull (TerminalDevice)) {
- //
- // Unicode FIFO is full
- //
- return FALSE;
- }
-
- TerminalDevice->UnicodeFiFo->Data[Tail] = Input;
-
- TerminalDevice->UnicodeFiFo->Tail = (UINT8) ((Tail + 1) % (FIFO_MAX_NUMBER + 1));
-
- return TRUE;
-}
-
-/**
- Remove one pre-fetched key out of the Unicode FIFO buffer.
-
- @param TerminalDevice Terminal driver private structure.
- @param Output The key will be removed.
-
- @retval TRUE If insert successfully.
- @retval FLASE If Unicode FIFO buffer is empty before remove operation.
-
-**/
-BOOLEAN
-UnicodeFiFoRemoveOneKey (
- TERMINAL_DEV *TerminalDevice,
- UINT16 *Output
- )
-{
- UINT8 Head;
-
- Head = TerminalDevice->UnicodeFiFo->Head;
- ASSERT (Head < FIFO_MAX_NUMBER + 1);
-
- if (IsUnicodeFiFoEmpty (TerminalDevice)) {
- //
- // FIFO is empty
- //
- Output = NULL;
- return FALSE;
- }
-
- *Output = TerminalDevice->UnicodeFiFo->Data[Head];
-
- TerminalDevice->UnicodeFiFo->Head = (UINT8) ((Head + 1) % (FIFO_MAX_NUMBER + 1));
-
- return TRUE;
-}
-
-/**
- Clarify whether Unicode FIFO buffer is empty.
-
- @param TerminalDevice Terminal driver private structure
-
- @retval TRUE If Unicode FIFO buffer is empty.
- @retval FLASE If Unicode FIFO buffer is not empty.
-
-**/
-BOOLEAN
-IsUnicodeFiFoEmpty (
- TERMINAL_DEV *TerminalDevice
- )
-{
- if (TerminalDevice->UnicodeFiFo->Head == TerminalDevice->UnicodeFiFo->Tail) {
- return TRUE;
- } else {
- return FALSE;
- }
-}
-
-/**
- Clarify whether Unicode FIFO buffer is full.
-
- @param TerminalDevice Terminal driver private structure
-
- @retval TRUE If Unicode FIFO buffer is full.
- @retval FLASE If Unicode FIFO buffer is not full.
-
-**/
-BOOLEAN
-IsUnicodeFiFoFull (
- TERMINAL_DEV *TerminalDevice
- )
-{
- UINT8 Tail;
- UINT8 Head;
-
- Tail = TerminalDevice->UnicodeFiFo->Tail;
- Head = TerminalDevice->UnicodeFiFo->Head;
-
- if (((Tail + 1) % (FIFO_MAX_NUMBER + 1)) == Head) {
-
- return TRUE;
- }
-
- return FALSE;
-}
-
-/**
- Count Unicode FIFO buffer.
-
- @param TerminalDevice Terminal driver private structure
-
- @return The count in bytes of Unicode FIFO.
-
-**/
-UINT8
-UnicodeFiFoGetKeyCount (
- TERMINAL_DEV *TerminalDevice
- )
-{
- UINT8 Tail;
- UINT8 Head;
-
- Tail = TerminalDevice->UnicodeFiFo->Tail;
- Head = TerminalDevice->UnicodeFiFo->Head;
-
- if (Tail >= Head) {
- return (UINT8) (Tail - Head);
- } else {
- return (UINT8) (Tail + FIFO_MAX_NUMBER + 1 - Head);
- }
-}
-
-/**
- Update the Unicode characters from a terminal input device into EFI Keys FIFO.
-
- @param TerminalDevice The terminal device to use to translate raw input into EFI Keys
-
-**/
-VOID
-UnicodeToEfiKeyFlushState (
- IN TERMINAL_DEV *TerminalDevice
- )
-{
- EFI_INPUT_KEY Key;
- UINT32 InputState;
-
- InputState = TerminalDevice->InputState;
-
- if ((InputState & INPUT_STATE_ESC) != 0) {
- Key.ScanCode = SCAN_ESC;
- Key.UnicodeChar = 0;
- EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);
- }
-
- if ((InputState & INPUT_STATE_CSI) != 0) {
- Key.ScanCode = SCAN_NULL;
- Key.UnicodeChar = CSI;
- EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);
- }
-
- if ((InputState & INPUT_STATE_LEFTOPENBRACKET) != 0) {
- Key.ScanCode = SCAN_NULL;
- Key.UnicodeChar = LEFTOPENBRACKET;
- EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);
- }
-
- if ((InputState & INPUT_STATE_O) != 0) {
- Key.ScanCode = SCAN_NULL;
- Key.UnicodeChar = 'O';
- EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);
- }
-
- if ((InputState & INPUT_STATE_2) != 0) {
- Key.ScanCode = SCAN_NULL;
- Key.UnicodeChar = '2';
- EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);
- }
-
- //
- // Cancel the timer.
- //
- gBS->SetTimer (
- TerminalDevice->TwoSecondTimeOut,
- TimerCancel,
- 0
- );
-
- TerminalDevice->InputState = INPUT_STATE_DEFAULT;
-}
-
-
-/**
- Converts a stream of Unicode characters from a terminal input device into EFI Keys that
- can be read through the Simple Input Protocol.
-
- The table below shows the keyboard input mappings that this function supports.
- If the ESC sequence listed in one of the columns is presented, then it is translated
- into the corresponding EFI Scan Code. If a matching sequence is not found, then the raw
- key strokes are converted into EFI Keys.
-
- 2 seconds are allowed for an ESC sequence to be completed. If the ESC sequence is not
- completed in 2 seconds, then the raw key strokes of the partial ESC sequence are
- converted into EFI Keys.
- There is one special input sequence that will force the system to reset.
- This is ESC R ESC r ESC R.
-
- Note: current implementation support terminal types include: PC ANSI, VT100+/VTUTF8, VT100.
- The table below is not same with UEFI Spec 2.3 Appendix B Table 201(not support ANSI X3.64 /
- DEC VT200-500 and extra support PC ANSI, VT100)since UEFI Table 201 is just an example.
-
- Symbols used in table below
- ===========================
- ESC = 0x1B
- CSI = 0x9B
- DEL = 0x7f
- ^ = CTRL
-
- +=========+======+===========+==========+==========+
- | | EFI | UEFI 2.0 | | |
- | | Scan | | VT100+ | |
- | KEY | Code | PC ANSI | VTUTF8 | VT100 |
- +=========+======+===========+==========+==========+
- | NULL | 0x00 | | | |
- | UP | 0x01 | ESC [ A | ESC [ A | ESC [ A |
- | DOWN | 0x02 | ESC [ B | ESC [ B | ESC [ B |
- | RIGHT | 0x03 | ESC [ C | ESC [ C | ESC [ C |
- | LEFT | 0x04 | ESC [ D | ESC [ D | ESC [ D |
- | HOME | 0x05 | ESC [ H | ESC h | ESC [ H |
- | END | 0x06 | ESC [ F | ESC k | ESC [ K |
- | INSERT | 0x07 | ESC [ @ | ESC + | ESC [ @ |
- | | | ESC [ L | | ESC [ L |
- | DELETE | 0x08 | ESC [ X | ESC - | ESC [ P |
- | PG UP | 0x09 | ESC [ I | ESC ? | ESC [ V |
- | | | | | ESC [ ? |
- | PG DOWN | 0x0A | ESC [ G | ESC / | ESC [ U |
- | | | | | ESC [ / |
- | F1 | 0x0B | ESC [ M | ESC 1 | ESC O P |
- | F2 | 0x0C | ESC [ N | ESC 2 | ESC O Q |
- | F3 | 0x0D | ESC [ O | ESC 3 | ESC O w |
- | F4 | 0x0E | ESC [ P | ESC 4 | ESC O x |
- | F5 | 0x0F | ESC [ Q | ESC 5 | ESC O t |
- | F6 | 0x10 | ESC [ R | ESC 6 | ESC O u |
- | F7 | 0x11 | ESC [ S | ESC 7 | ESC O q |
- | F8 | 0x12 | ESC [ T | ESC 8 | ESC O r |
- | F9 | 0x13 | ESC [ U | ESC 9 | ESC O p |
- | F10 | 0x14 | ESC [ V | ESC 0 | ESC O M |
- | Escape | 0x17 | ESC | ESC | ESC |
- | F11 | 0x15 | | ESC ! | |
- | F12 | 0x16 | | ESC @ | |
- +=========+======+===========+==========+==========+
-
- Special Mappings
- ================
- ESC R ESC r ESC R = Reset System
-
- @param TerminalDevice The terminal device to use to translate raw input into EFI Keys
-
-**/
-VOID
-UnicodeToEfiKey (
- IN TERMINAL_DEV *TerminalDevice
- )
-{
- EFI_STATUS Status;
- EFI_STATUS TimerStatus;
- UINT16 UnicodeChar;
- EFI_INPUT_KEY Key;
- BOOLEAN SetDefaultResetState;
-
- TimerStatus = gBS->CheckEvent (TerminalDevice->TwoSecondTimeOut);
-
- if (!EFI_ERROR (TimerStatus)) {
- UnicodeToEfiKeyFlushState (TerminalDevice);
- TerminalDevice->ResetState = RESET_STATE_DEFAULT;
- }
-
- while (!IsUnicodeFiFoEmpty(TerminalDevice)) {
-
- if (TerminalDevice->InputState != INPUT_STATE_DEFAULT) {
- //
- // Check to see if the 2 seconds timer has expired
- //
- TimerStatus = gBS->CheckEvent (TerminalDevice->TwoSecondTimeOut);
- if (!EFI_ERROR (TimerStatus)) {
- UnicodeToEfiKeyFlushState (TerminalDevice);
- TerminalDevice->ResetState = RESET_STATE_DEFAULT;
- }
- }
-
- //
- // Fetch one Unicode character from the Unicode FIFO
- //
- UnicodeFiFoRemoveOneKey (TerminalDevice, &UnicodeChar);
-
- SetDefaultResetState = TRUE;
-
- switch (TerminalDevice->InputState) {
- case INPUT_STATE_DEFAULT:
-
- break;
-
- case INPUT_STATE_ESC:
-
- if (UnicodeChar == LEFTOPENBRACKET) {
- TerminalDevice->InputState |= INPUT_STATE_LEFTOPENBRACKET;
- TerminalDevice->ResetState = RESET_STATE_DEFAULT;
- continue;
- }
-
- if (UnicodeChar == 'O' && TerminalDevice->TerminalType == VT100TYPE) {
- TerminalDevice->InputState |= INPUT_STATE_O;
- TerminalDevice->ResetState = RESET_STATE_DEFAULT;
- continue;
- }
-
- Key.ScanCode = SCAN_NULL;
-
- if (TerminalDevice->TerminalType == VT100PLUSTYPE ||
- TerminalDevice->TerminalType == VTUTF8TYPE) {
- switch (UnicodeChar) {
- case '1':
- Key.ScanCode = SCAN_F1;
- break;
- case '2':
- Key.ScanCode = SCAN_F2;
- break;
- case '3':
- Key.ScanCode = SCAN_F3;
- break;
- case '4':
- Key.ScanCode = SCAN_F4;
- break;
- case '5':
- Key.ScanCode = SCAN_F5;
- break;
- case '6':
- Key.ScanCode = SCAN_F6;
- break;
- case '7':
- Key.ScanCode = SCAN_F7;
- break;
- case '8':
- Key.ScanCode = SCAN_F8;
- break;
- case '9':
- Key.ScanCode = SCAN_F9;
- break;
- case '0':
- Key.ScanCode = SCAN_F10;
- break;
- case '!':
- Key.ScanCode = SCAN_F11;
- break;
- case '@':
- Key.ScanCode = SCAN_F12;
- break;
- case 'h':
- Key.ScanCode = SCAN_HOME;
- break;
- case 'k':
- Key.ScanCode = SCAN_END;
- break;
- case '+':
- Key.ScanCode = SCAN_INSERT;
- break;
- case '-':
- Key.ScanCode = SCAN_DELETE;
- break;
- case '/':
- Key.ScanCode = SCAN_PAGE_DOWN;
- break;
- case '?':
- Key.ScanCode = SCAN_PAGE_UP;
- break;
- default :
- break;
- }
- }
-
- switch (UnicodeChar) {
- case 'R':
- if (TerminalDevice->ResetState == RESET_STATE_DEFAULT) {
- TerminalDevice->ResetState = RESET_STATE_ESC_R;
- SetDefaultResetState = FALSE;
- } else if (TerminalDevice->ResetState == RESET_STATE_ESC_R_ESC_R) {
- gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);
- }
- Key.ScanCode = SCAN_NULL;
- break;
- case 'r':
- if (TerminalDevice->ResetState == RESET_STATE_ESC_R) {
- TerminalDevice->ResetState = RESET_STATE_ESC_R_ESC_R;
- SetDefaultResetState = FALSE;
- }
- Key.ScanCode = SCAN_NULL;
- break;
- default :
- break;
- }
-
- if (SetDefaultResetState) {
- TerminalDevice->ResetState = RESET_STATE_DEFAULT;
- }
-
- if (Key.ScanCode != SCAN_NULL) {
- Key.UnicodeChar = 0;
- EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);
- TerminalDevice->InputState = INPUT_STATE_DEFAULT;
- UnicodeToEfiKeyFlushState (TerminalDevice);
- continue;
- }
-
- UnicodeToEfiKeyFlushState (TerminalDevice);
-
- break;
-
- case INPUT_STATE_ESC | INPUT_STATE_O:
-
- TerminalDevice->ResetState = RESET_STATE_DEFAULT;
-
- Key.ScanCode = SCAN_NULL;
-
- if (TerminalDevice->TerminalType == VT100TYPE) {
- switch (UnicodeChar) {
- case 'P':
- Key.ScanCode = SCAN_F1;
- break;
- case 'Q':
- Key.ScanCode = SCAN_F2;
- break;
- case 'w':
- Key.ScanCode = SCAN_F3;
- break;
- case 'x':
- Key.ScanCode = SCAN_F4;
- break;
- case 't':
- Key.ScanCode = SCAN_F5;
- break;
- case 'u':
- Key.ScanCode = SCAN_F6;
- break;
- case 'q':
- Key.ScanCode = SCAN_F7;
- break;
- case 'r':
- Key.ScanCode = SCAN_F8;
- break;
- case 'p':
- Key.ScanCode = SCAN_F9;
- break;
- case 'M':
- Key.ScanCode = SCAN_F10;
- break;
- default :
- break;
- }
- }
-
- if (Key.ScanCode != SCAN_NULL) {
- Key.UnicodeChar = 0;
- EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);
- TerminalDevice->InputState = INPUT_STATE_DEFAULT;
- UnicodeToEfiKeyFlushState (TerminalDevice);
- continue;
- }
-
- UnicodeToEfiKeyFlushState (TerminalDevice);
-
- break;
-
- case INPUT_STATE_ESC | INPUT_STATE_LEFTOPENBRACKET:
-
- TerminalDevice->ResetState = RESET_STATE_DEFAULT;
-
- Key.ScanCode = SCAN_NULL;
-
- if (TerminalDevice->TerminalType == PCANSITYPE ||
- TerminalDevice->TerminalType == VT100TYPE ||
- TerminalDevice->TerminalType == VT100PLUSTYPE ||
- TerminalDevice->TerminalType == VTUTF8TYPE) {
- switch (UnicodeChar) {
- case 'A':
- Key.ScanCode = SCAN_UP;
- break;
- case 'B':
- Key.ScanCode = SCAN_DOWN;
- break;
- case 'C':
- Key.ScanCode = SCAN_RIGHT;
- break;
- case 'D':
- Key.ScanCode = SCAN_LEFT;
- break;
- case 'H':
- if (TerminalDevice->TerminalType == PCANSITYPE ||
- TerminalDevice->TerminalType == VT100TYPE) {
- Key.ScanCode = SCAN_HOME;
- }
- break;
- case 'F':
- if (TerminalDevice->TerminalType == PCANSITYPE) {
- Key.ScanCode = SCAN_END;
- }
- break;
- case 'K':
- if (TerminalDevice->TerminalType == VT100TYPE) {
- Key.ScanCode = SCAN_END;
- }
- break;
- case 'L':
- case '@':
- if (TerminalDevice->TerminalType == PCANSITYPE ||
- TerminalDevice->TerminalType == VT100TYPE) {
- Key.ScanCode = SCAN_INSERT;
- }
- break;
- case 'X':
- if (TerminalDevice->TerminalType == PCANSITYPE) {
- Key.ScanCode = SCAN_DELETE;
- }
- break;
- case 'P':
- if (TerminalDevice->TerminalType == VT100TYPE) {
- Key.ScanCode = SCAN_DELETE;
- } else if (TerminalDevice->TerminalType == PCANSITYPE) {
- Key.ScanCode = SCAN_F4;
- }
- break;
- case 'I':
- if (TerminalDevice->TerminalType == PCANSITYPE) {
- Key.ScanCode = SCAN_PAGE_UP;
- }
- break;
- case 'V':
- if (TerminalDevice->TerminalType == PCANSITYPE) {
- Key.ScanCode = SCAN_F10;
- }
- case '?':
- if (TerminalDevice->TerminalType == VT100TYPE) {
- Key.ScanCode = SCAN_PAGE_UP;
- }
- break;
- case 'G':
- if (TerminalDevice->TerminalType == PCANSITYPE) {
- Key.ScanCode = SCAN_PAGE_DOWN;
- }
- break;
- case 'U':
- if (TerminalDevice->TerminalType == PCANSITYPE) {
- Key.ScanCode = SCAN_F9;
- }
- case '/':
- if (TerminalDevice->TerminalType == VT100TYPE) {
- Key.ScanCode = SCAN_PAGE_DOWN;
- }
- break;
- case 'M':
- if (TerminalDevice->TerminalType == PCANSITYPE) {
- Key.ScanCode = SCAN_F1;
- }
- break;
- case 'N':
- if (TerminalDevice->TerminalType == PCANSITYPE) {
- Key.ScanCode = SCAN_F2;
- }
- break;
- case 'O':
- if (TerminalDevice->TerminalType == PCANSITYPE) {
- Key.ScanCode = SCAN_F3;
- }
- break;
- case 'Q':
- if (TerminalDevice->TerminalType == PCANSITYPE) {
- Key.ScanCode = SCAN_F5;
- }
- break;
- case 'R':
- if (TerminalDevice->TerminalType == PCANSITYPE) {
- Key.ScanCode = SCAN_F6;
- }
- break;
- case 'S':
- if (TerminalDevice->TerminalType == PCANSITYPE) {
- Key.ScanCode = SCAN_F7;
- }
- break;
- case 'T':
- if (TerminalDevice->TerminalType == PCANSITYPE) {
- Key.ScanCode = SCAN_F8;
- }
- break;
- default :
- break;
- }
- }
-
- if (Key.ScanCode != SCAN_NULL) {
- Key.UnicodeChar = 0;
- EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);
- TerminalDevice->InputState = INPUT_STATE_DEFAULT;
- UnicodeToEfiKeyFlushState (TerminalDevice);
- continue;
- }
-
- UnicodeToEfiKeyFlushState (TerminalDevice);
-
- break;
-
-
- default:
- //
- // Invalid state. This should never happen.
- //
- ASSERT (FALSE);
-
- UnicodeToEfiKeyFlushState (TerminalDevice);
-
- break;
- }
-
- if (UnicodeChar == ESC) {
- TerminalDevice->InputState = INPUT_STATE_ESC;
- }
-
- if (UnicodeChar == CSI) {
- TerminalDevice->InputState = INPUT_STATE_CSI;
- }
-
- if (TerminalDevice->InputState != INPUT_STATE_DEFAULT) {
- Status = gBS->SetTimer(
- TerminalDevice->TwoSecondTimeOut,
- TimerRelative,
- (UINT64)20000000
- );
- ASSERT_EFI_ERROR (Status);
- continue;
- }
-
- if (SetDefaultResetState) {
- TerminalDevice->ResetState = RESET_STATE_DEFAULT;
- }
-
- if (UnicodeChar == DEL) {
- Key.ScanCode = SCAN_DELETE;
- Key.UnicodeChar = 0;
- } else {
- Key.ScanCode = SCAN_NULL;
- Key.UnicodeChar = UnicodeChar;
- }
-
- EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);
- }
-}
+/** @file + Implementation for EFI_SIMPLE_TEXT_INPUT_PROTOCOL protocol. + +Copyright (c) 2006 - 2011, 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. + +**/ + +#include "Terminal.h" + + +/** + 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 TerminalDevice Terminal driver private structure + @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. + @retval EFI_INVALID_PARAMETER KeyData is NULL. + +**/ +EFI_STATUS +ReadKeyStrokeWorker ( + IN TERMINAL_DEV *TerminalDevice, + OUT EFI_KEY_DATA *KeyData + ) +{ + if (KeyData == NULL) { + return EFI_INVALID_PARAMETER; + } + + if (!EfiKeyFiFoRemoveOneKey (TerminalDevice, &KeyData->Key)) { + return EFI_NOT_READY; + } + + KeyData->KeyState.KeyShiftState = 0; + KeyData->KeyState.KeyToggleState = 0; + + + return EFI_SUCCESS; + +} + +/** + Implements EFI_SIMPLE_TEXT_INPUT_PROTOCOL.Reset(). + This driver only perform dependent serial device reset regardless of + the value of ExtendeVerification + + @param This Indicates the calling context. + @param ExtendedVerification Skip by this driver. + + @retval EFI_SUCCESS The reset operation succeeds. + @retval EFI_DEVICE_ERROR The dependent serial port reset fails. + +**/ +EFI_STATUS +EFIAPI +TerminalConInReset ( + IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This, + IN BOOLEAN ExtendedVerification + ) +{ + EFI_STATUS Status; + TERMINAL_DEV *TerminalDevice; + + TerminalDevice = TERMINAL_CON_IN_DEV_FROM_THIS (This); + + // + // Report progress code here + // + REPORT_STATUS_CODE_WITH_DEVICE_PATH ( + EFI_PROGRESS_CODE, + (EFI_PERIPHERAL_REMOTE_CONSOLE | EFI_P_PC_RESET), + TerminalDevice->DevicePath + ); + + Status = TerminalDevice->SerialIo->Reset (TerminalDevice->SerialIo); + + // + // Make all the internal buffer empty for keys + // + TerminalDevice->RawFiFo->Head = TerminalDevice->RawFiFo->Tail; + TerminalDevice->UnicodeFiFo->Head = TerminalDevice->UnicodeFiFo->Tail; + TerminalDevice->EfiKeyFiFo->Head = TerminalDevice->EfiKeyFiFo->Tail; + + if (EFI_ERROR (Status)) { + REPORT_STATUS_CODE_WITH_DEVICE_PATH ( + EFI_ERROR_CODE | EFI_ERROR_MINOR, + (EFI_PERIPHERAL_REMOTE_CONSOLE | EFI_P_EC_CONTROLLER_ERROR), + TerminalDevice->DevicePath + ); + } + + return Status; +} + +/** + Implements EFI_SIMPLE_TEXT_INPUT_PROTOCOL.ReadKeyStroke(). + + @param This Indicates the calling context. + @param Key A pointer to a buffer that is filled in with the + keystroke information for the key that was sent + from terminal. + + @retval EFI_SUCCESS The keystroke information is returned successfully. + @retval EFI_NOT_READY There is no keystroke data available. + @retval EFI_DEVICE_ERROR The dependent serial device encounters error. + +**/ +EFI_STATUS +EFIAPI +TerminalConInReadKeyStroke ( + IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This, + OUT EFI_INPUT_KEY *Key + ) +{ + TERMINAL_DEV *TerminalDevice; + EFI_STATUS Status; + EFI_KEY_DATA KeyData; + + // + // get TERMINAL_DEV from "This" parameter. + // + TerminalDevice = TERMINAL_CON_IN_DEV_FROM_THIS (This); + + Status = ReadKeyStrokeWorker (TerminalDevice, &KeyData); + if (EFI_ERROR (Status)) { + return Status; + } + + CopyMem (Key, &KeyData.Key, sizeof (EFI_INPUT_KEY)); + + return EFI_SUCCESS; + +} + +/** + Check if the key already has been registered. + + If both RegsiteredData and InputData is NULL, then ASSERT(). + + @param RegsiteredData A pointer to a buffer that is filled in with the + keystroke state data for the key that was + registered. + @param InputData A pointer to a buffer that is filled in with the + keystroke state data for the key that was + pressed. + + @retval TRUE Key be pressed matches a registered key. + @retval FLASE Match failed. + +**/ +BOOLEAN +IsKeyRegistered ( + IN EFI_KEY_DATA *RegsiteredData, + IN EFI_KEY_DATA *InputData + ) +{ + ASSERT (RegsiteredData != NULL && InputData != NULL); + + if ((RegsiteredData->Key.ScanCode != InputData->Key.ScanCode) || + (RegsiteredData->Key.UnicodeChar != InputData->Key.UnicodeChar)) { + return FALSE; + } + + return TRUE; +} + + + +/** + Event notification function for EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL.WaitForKeyEx event + Signal the event if there is key available + + @param Event Indicates the event that invoke this function. + @param Context Indicates the calling context. + +**/ +VOID +EFIAPI +TerminalConInWaitForKeyEx ( + IN EFI_EVENT Event, + IN VOID *Context + ) +{ + TerminalConInWaitForKey (Event, Context); +} + +// +// Simple Text Input Ex protocol functions +// + +/** + 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 +TerminalConInResetEx ( + IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This, + IN BOOLEAN ExtendedVerification + ) +{ + EFI_STATUS Status; + TERMINAL_DEV *TerminalDevice; + + TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This); + + Status = TerminalDevice->SimpleInput.Reset (&TerminalDevice->SimpleInput, ExtendedVerification); + if (EFI_ERROR (Status)) { + return EFI_DEVICE_ERROR; + } + + 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 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. + @retval EFI_DEVICE_ERROR The keystroke information was not returned due + to hardware errors. + @retval EFI_INVALID_PARAMETER KeyData is NULL. + +**/ +EFI_STATUS +EFIAPI +TerminalConInReadKeyStrokeEx ( + IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This, + OUT EFI_KEY_DATA *KeyData + ) +{ + TERMINAL_DEV *TerminalDevice; + + if (KeyData == NULL) { + return EFI_INVALID_PARAMETER; + } + + TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This); + + return ReadKeyStrokeWorker (TerminalDevice, KeyData); + +} + + +/** + Set certain state for the input device. + + @param This Protocol instance pointer. + @param KeyToggleState A pointer to the EFI_KEY_TOGGLE_STATE to set the + state for the input device. + + @retval EFI_SUCCESS The device state was set successfully. + @retval EFI_DEVICE_ERROR The device is not functioning correctly and + could not have the setting adjusted. + @retval EFI_UNSUPPORTED The device does not have the ability to set its + state. + @retval EFI_INVALID_PARAMETER KeyToggleState is NULL. + +**/ +EFI_STATUS +EFIAPI +TerminalConInSetState ( + IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This, + IN EFI_KEY_TOGGLE_STATE *KeyToggleState + ) +{ + if (KeyToggleState == NULL) { + return EFI_INVALID_PARAMETER; + } + + return EFI_SUCCESS; +} + + +/** + Register a notification function for a particular keystroke for the input device. + + @param This Protocol instance pointer. + @param KeyData A pointer to a buffer that is filled in with the + keystroke information data 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 notification function was registered + successfully. + @retval EFI_OUT_OF_RESOURCES Unable to allocate resources for necessary data + structures. + @retval EFI_INVALID_PARAMETER KeyData or NotifyHandle is NULL. + +**/ +EFI_STATUS +EFIAPI +TerminalConInRegisterKeyNotify ( + IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This, + IN EFI_KEY_DATA *KeyData, + IN EFI_KEY_NOTIFY_FUNCTION KeyNotificationFunction, + OUT EFI_HANDLE *NotifyHandle + ) +{ + TERMINAL_DEV *TerminalDevice; + TERMINAL_CONSOLE_IN_EX_NOTIFY *NewNotify; + LIST_ENTRY *Link; + LIST_ENTRY *NotifyList; + TERMINAL_CONSOLE_IN_EX_NOTIFY *CurrentNotify; + + if (KeyData == NULL || NotifyHandle == NULL || KeyNotificationFunction == NULL) { + return EFI_INVALID_PARAMETER; + } + + TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This); + + // + // Return EFI_SUCCESS if the (KeyData, NotificationFunction) is already registered. + // + NotifyList = &TerminalDevice->NotifyList; + for (Link = GetFirstNode (NotifyList); !IsNull (NotifyList,Link); Link = GetNextNode (NotifyList,Link)) { + CurrentNotify = CR ( + Link, + TERMINAL_CONSOLE_IN_EX_NOTIFY, + NotifyEntry, + TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE + ); + if (IsKeyRegistered (&CurrentNotify->KeyData, KeyData)) { + if (CurrentNotify->KeyNotificationFn == KeyNotificationFunction) { + *NotifyHandle = CurrentNotify->NotifyHandle; + return EFI_SUCCESS; + } + } + } + + // + // Allocate resource to save the notification function + // + NewNotify = (TERMINAL_CONSOLE_IN_EX_NOTIFY *) AllocateZeroPool (sizeof (TERMINAL_CONSOLE_IN_EX_NOTIFY)); + if (NewNotify == NULL) { + return EFI_OUT_OF_RESOURCES; + } + + NewNotify->Signature = TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE; + NewNotify->KeyNotificationFn = KeyNotificationFunction; + NewNotify->NotifyHandle = (EFI_HANDLE) NewNotify; + CopyMem (&NewNotify->KeyData, KeyData, sizeof (KeyData)); + InsertTailList (&TerminalDevice->NotifyList, &NewNotify->NotifyEntry); + + *NotifyHandle = NewNotify->NotifyHandle; + + return EFI_SUCCESS; +} + + +/** + Remove a registered notification function from a particular keystroke. + + @param This Protocol instance pointer. + @param NotificationHandle The handle of the notification function being + unregistered. + + @retval EFI_SUCCESS The notification function was unregistered + successfully. + @retval EFI_INVALID_PARAMETER The NotificationHandle is invalid. + +**/ +EFI_STATUS +EFIAPI +TerminalConInUnregisterKeyNotify ( + IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This, + IN EFI_HANDLE NotificationHandle + ) +{ + TERMINAL_DEV *TerminalDevice; + LIST_ENTRY *Link; + TERMINAL_CONSOLE_IN_EX_NOTIFY *CurrentNotify; + LIST_ENTRY *NotifyList; + + if (NotificationHandle == NULL) { + return EFI_INVALID_PARAMETER; + } + + if (((TERMINAL_CONSOLE_IN_EX_NOTIFY *) NotificationHandle)->Signature != TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE) { + return EFI_INVALID_PARAMETER; + } + + TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This); + + NotifyList = &TerminalDevice->NotifyList; + for (Link = GetFirstNode (NotifyList); !IsNull (NotifyList,Link); Link = GetNextNode (NotifyList,Link)) { + CurrentNotify = CR ( + Link, + TERMINAL_CONSOLE_IN_EX_NOTIFY, + NotifyEntry, + TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE + ); + if (CurrentNotify->NotifyHandle == NotificationHandle) { + // + // Remove the notification function from NotifyList and free resources + // + RemoveEntryList (&CurrentNotify->NotifyEntry); + + gBS->FreePool (CurrentNotify); + return EFI_SUCCESS; + } + } + + // + // Can not find the matching entry in database. + // + return EFI_INVALID_PARAMETER; +} + +/** + Translate raw data into Unicode (according to different encode), and + translate Unicode into key information. (according to different standard). + + @param TerminalDevice Terminal driver private structure. + +**/ +VOID +TranslateRawDataToEfiKey ( + IN TERMINAL_DEV *TerminalDevice + ) +{ + switch (TerminalDevice->TerminalType) { + + case PCANSITYPE: + case VT100TYPE: + case VT100PLUSTYPE: + AnsiRawDataToUnicode (TerminalDevice); + UnicodeToEfiKey (TerminalDevice); + break; + + case VTUTF8TYPE: + // + // Process all the raw data in the RawFIFO, + // put the processed key into UnicodeFIFO. + // + VTUTF8RawDataToUnicode (TerminalDevice); + + // + // Translate all the Unicode data in the UnicodeFIFO to Efi key, + // then put into EfiKeyFIFO. + // + UnicodeToEfiKey (TerminalDevice); + + break; + } +} + +/** + Event notification function for EFI_SIMPLE_TEXT_INPUT_PROTOCOL.WaitForKey event + Signal the event if there is key available + + @param Event Indicates the event that invoke this function. + @param Context Indicates the calling context. + +**/ +VOID +EFIAPI +TerminalConInWaitForKey ( + IN EFI_EVENT Event, + IN VOID *Context + ) +{ + // + // Someone is waiting on the keystroke event, if there's + // a key pending, signal the event + // + if (!IsEfiKeyFiFoEmpty ((TERMINAL_DEV *) Context)) { + + gBS->SignalEvent (Event); + } +} + +/** + Timer handler to poll the key from serial. + + @param Event Indicates the event that invoke this function. + @param Context Indicates the calling context. +**/ +VOID +EFIAPI +TerminalConInTimerHandler ( + IN EFI_EVENT Event, + IN VOID *Context + ) +{ + EFI_STATUS Status; + TERMINAL_DEV *TerminalDevice; + UINT8 Input; + EFI_SERIAL_IO_MODE *Mode; + EFI_SERIAL_IO_PROTOCOL *SerialIo; + UINTN SerialInTimeOut; + + TerminalDevice = (TERMINAL_DEV *) Context; + + SerialIo = TerminalDevice->SerialIo; + if (SerialIo == NULL) { + return ; + } + // + // if current timeout value for serial device is not identical with + // the value saved in TERMINAL_DEV structure, then recalculate the + // timeout value again and set serial attribute according to this value. + // + Mode = SerialIo->Mode; + if (Mode->Timeout != TerminalDevice->SerialInTimeOut) { + + SerialInTimeOut = 0; + if (Mode->BaudRate != 0) { + // + // According to BAUD rate to calculate the timeout value. + // + SerialInTimeOut = (1 + Mode->DataBits + Mode->StopBits) * 2 * 1000000 / (UINTN) Mode->BaudRate; + } + + Status = SerialIo->SetAttributes ( + SerialIo, + Mode->BaudRate, + Mode->ReceiveFifoDepth, + (UINT32) SerialInTimeOut, + (EFI_PARITY_TYPE) (Mode->Parity), + (UINT8) Mode->DataBits, + (EFI_STOP_BITS_TYPE) (Mode->StopBits) + ); + + if (EFI_ERROR (Status)) { + TerminalDevice->SerialInTimeOut = 0; + } else { + TerminalDevice->SerialInTimeOut = SerialInTimeOut; + } + } + + // + // Fetch all the keys in the serial buffer, + // and insert the byte stream into RawFIFO. + // + while( !IsRawFiFoFull(TerminalDevice) ) { + + Status = GetOneKeyFromSerial (TerminalDevice->SerialIo, &Input); + + if (EFI_ERROR (Status)) { + if (Status == EFI_DEVICE_ERROR) { + REPORT_STATUS_CODE_WITH_DEVICE_PATH ( + EFI_ERROR_CODE | EFI_ERROR_MINOR, + (EFI_PERIPHERAL_REMOTE_CONSOLE | EFI_P_EC_INPUT_ERROR), + TerminalDevice->DevicePath + ); + } + break; + } + + RawFiFoInsertOneKey (TerminalDevice, Input); + } + + // + // Translate all the raw data in RawFIFO into EFI Key, + // according to different terminal type supported. + // + TranslateRawDataToEfiKey (TerminalDevice); +} + +/** + Get one key out of serial buffer. + + @param SerialIo Serial I/O protocol attached to the serial device. + @param Output The fetched key. + + @retval EFI_NOT_READY If serial buffer is empty. + @retval EFI_DEVICE_ERROR If reading serial buffer encounter error. + @retval EFI_SUCCESS If reading serial buffer successfully, put + the fetched key to the parameter output. + +**/ +EFI_STATUS +GetOneKeyFromSerial ( + EFI_SERIAL_IO_PROTOCOL *SerialIo, + UINT8 *Output + ) +{ + EFI_STATUS Status; + UINTN Size; + + Size = 1; + *Output = 0; + + // + // Read one key from serial I/O device. + // + Status = SerialIo->Read (SerialIo, &Size, Output); + + if (EFI_ERROR (Status)) { + + if (Status == EFI_TIMEOUT) { + return EFI_NOT_READY; + } + + return EFI_DEVICE_ERROR; + + } + + if (*Output == 0) { + return EFI_NOT_READY; + } + + return EFI_SUCCESS; +} + +/** + Insert one byte raw data into the Raw Data FIFO. + + @param TerminalDevice Terminal driver private structure. + @param Input The key will be input. + + @retval TRUE If insert successfully. + @retval FLASE If Raw Data buffer is full before key insertion, + and the key is lost. + +**/ +BOOLEAN +RawFiFoInsertOneKey ( + TERMINAL_DEV *TerminalDevice, + UINT8 Input + ) +{ + UINT8 Tail; + + Tail = TerminalDevice->RawFiFo->Tail; + + if (IsRawFiFoFull (TerminalDevice)) { + // + // Raw FIFO is full + // + return FALSE; + } + + TerminalDevice->RawFiFo->Data[Tail] = Input; + + TerminalDevice->RawFiFo->Tail = (UINT8) ((Tail + 1) % (RAW_FIFO_MAX_NUMBER + 1)); + + return TRUE; +} + +/** + Remove one pre-fetched key out of the Raw Data FIFO. + + @param TerminalDevice Terminal driver private structure. + @param Output The key will be removed. + + @retval TRUE If insert successfully. + @retval FLASE If Raw Data FIFO buffer is empty before remove operation. + +**/ +BOOLEAN +RawFiFoRemoveOneKey ( + TERMINAL_DEV *TerminalDevice, + UINT8 *Output + ) +{ + UINT8 Head; + + Head = TerminalDevice->RawFiFo->Head; + + if (IsRawFiFoEmpty (TerminalDevice)) { + // + // FIFO is empty + // + *Output = 0; + return FALSE; + } + + *Output = TerminalDevice->RawFiFo->Data[Head]; + + TerminalDevice->RawFiFo->Head = (UINT8) ((Head + 1) % (RAW_FIFO_MAX_NUMBER + 1)); + + return TRUE; +} + +/** + Clarify whether Raw Data FIFO buffer is empty. + + @param TerminalDevice Terminal driver private structure + + @retval TRUE If Raw Data FIFO buffer is empty. + @retval FLASE If Raw Data FIFO buffer is not empty. + +**/ +BOOLEAN +IsRawFiFoEmpty ( + TERMINAL_DEV *TerminalDevice + ) +{ + if (TerminalDevice->RawFiFo->Head == TerminalDevice->RawFiFo->Tail) { + return TRUE; + } else { + return FALSE; + } +} + +/** + Clarify whether Raw Data FIFO buffer is full. + + @param TerminalDevice Terminal driver private structure + + @retval TRUE If Raw Data FIFO buffer is full. + @retval FLASE If Raw Data FIFO buffer is not full. + +**/ +BOOLEAN +IsRawFiFoFull ( + TERMINAL_DEV *TerminalDevice + ) +{ + UINT8 Tail; + UINT8 Head; + + Tail = TerminalDevice->RawFiFo->Tail; + Head = TerminalDevice->RawFiFo->Head; + + if (((Tail + 1) % (RAW_FIFO_MAX_NUMBER + 1)) == Head) { + + return TRUE; + } + + return FALSE; +} + +/** + Insert one pre-fetched key into the FIFO buffer. + + @param TerminalDevice Terminal driver private structure. + @param Key The key will be input. + + @retval TRUE If insert successfully. + @retval FLASE If FIFO buffer is full before key insertion, + and the key is lost. + +**/ +BOOLEAN +EfiKeyFiFoInsertOneKey ( + TERMINAL_DEV *TerminalDevice, + EFI_INPUT_KEY *Key + ) +{ + UINT8 Tail; + LIST_ENTRY *Link; + LIST_ENTRY *NotifyList; + TERMINAL_CONSOLE_IN_EX_NOTIFY *CurrentNotify; + EFI_KEY_DATA KeyData; + + Tail = TerminalDevice->EfiKeyFiFo->Tail; + + CopyMem (&KeyData.Key, Key, sizeof (EFI_INPUT_KEY)); + KeyData.KeyState.KeyShiftState = 0; + KeyData.KeyState.KeyToggleState = 0; + + // + // Invoke notification functions if exist + // + NotifyList = &TerminalDevice->NotifyList; + for (Link = GetFirstNode (NotifyList); !IsNull (NotifyList,Link); Link = GetNextNode (NotifyList,Link)) { + CurrentNotify = CR ( + Link, + TERMINAL_CONSOLE_IN_EX_NOTIFY, + NotifyEntry, + TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE + ); + if (IsKeyRegistered (&CurrentNotify->KeyData, &KeyData)) { + CurrentNotify->KeyNotificationFn (&KeyData); + } + } + if (IsEfiKeyFiFoFull (TerminalDevice)) { + // + // Efi Key FIFO is full + // + return FALSE; + } + + CopyMem (&TerminalDevice->EfiKeyFiFo->Data[Tail], Key, sizeof (EFI_INPUT_KEY)); + + TerminalDevice->EfiKeyFiFo->Tail = (UINT8) ((Tail + 1) % (FIFO_MAX_NUMBER + 1)); + + return TRUE; +} + +/** + Remove one pre-fetched key out of the FIFO buffer. + + @param TerminalDevice Terminal driver private structure. + @param Output The key will be removed. + + @retval TRUE If insert successfully. + @retval FLASE If FIFO buffer is empty before remove operation. + +**/ +BOOLEAN +EfiKeyFiFoRemoveOneKey ( + TERMINAL_DEV *TerminalDevice, + EFI_INPUT_KEY *Output + ) +{ + UINT8 Head; + + Head = TerminalDevice->EfiKeyFiFo->Head; + ASSERT (Head < FIFO_MAX_NUMBER + 1); + + if (IsEfiKeyFiFoEmpty (TerminalDevice)) { + // + // FIFO is empty + // + Output->ScanCode = SCAN_NULL; + Output->UnicodeChar = 0; + return FALSE; + } + + *Output = TerminalDevice->EfiKeyFiFo->Data[Head]; + + TerminalDevice->EfiKeyFiFo->Head = (UINT8) ((Head + 1) % (FIFO_MAX_NUMBER + 1)); + + return TRUE; +} + +/** + Clarify whether FIFO buffer is empty. + + @param TerminalDevice Terminal driver private structure + + @retval TRUE If FIFO buffer is empty. + @retval FLASE If FIFO buffer is not empty. + +**/ +BOOLEAN +IsEfiKeyFiFoEmpty ( + TERMINAL_DEV *TerminalDevice + ) +{ + if (TerminalDevice->EfiKeyFiFo->Head == TerminalDevice->EfiKeyFiFo->Tail) { + return TRUE; + } else { + return FALSE; + } +} + +/** + Clarify whether FIFO buffer is full. + + @param TerminalDevice Terminal driver private structure + + @retval TRUE If FIFO buffer is full. + @retval FLASE If FIFO buffer is not full. + +**/ +BOOLEAN +IsEfiKeyFiFoFull ( + TERMINAL_DEV *TerminalDevice + ) +{ + UINT8 Tail; + UINT8 Head; + + Tail = TerminalDevice->EfiKeyFiFo->Tail; + Head = TerminalDevice->EfiKeyFiFo->Head; + + if (((Tail + 1) % (FIFO_MAX_NUMBER + 1)) == Head) { + + return TRUE; + } + + return FALSE; +} + +/** + Insert one pre-fetched key into the Unicode FIFO buffer. + + @param TerminalDevice Terminal driver private structure. + @param Input The key will be input. + + @retval TRUE If insert successfully. + @retval FLASE If Unicode FIFO buffer is full before key insertion, + and the key is lost. + +**/ +BOOLEAN +UnicodeFiFoInsertOneKey ( + TERMINAL_DEV *TerminalDevice, + UINT16 Input + ) +{ + UINT8 Tail; + + Tail = TerminalDevice->UnicodeFiFo->Tail; + ASSERT (Tail < FIFO_MAX_NUMBER + 1); + + + if (IsUnicodeFiFoFull (TerminalDevice)) { + // + // Unicode FIFO is full + // + return FALSE; + } + + TerminalDevice->UnicodeFiFo->Data[Tail] = Input; + + TerminalDevice->UnicodeFiFo->Tail = (UINT8) ((Tail + 1) % (FIFO_MAX_NUMBER + 1)); + + return TRUE; +} + +/** + Remove one pre-fetched key out of the Unicode FIFO buffer. + + @param TerminalDevice Terminal driver private structure. + @param Output The key will be removed. + + @retval TRUE If insert successfully. + @retval FLASE If Unicode FIFO buffer is empty before remove operation. + +**/ +BOOLEAN +UnicodeFiFoRemoveOneKey ( + TERMINAL_DEV *TerminalDevice, + UINT16 *Output + ) +{ + UINT8 Head; + + Head = TerminalDevice->UnicodeFiFo->Head; + ASSERT (Head < FIFO_MAX_NUMBER + 1); + + if (IsUnicodeFiFoEmpty (TerminalDevice)) { + // + // FIFO is empty + // + Output = NULL; + return FALSE; + } + + *Output = TerminalDevice->UnicodeFiFo->Data[Head]; + + TerminalDevice->UnicodeFiFo->Head = (UINT8) ((Head + 1) % (FIFO_MAX_NUMBER + 1)); + + return TRUE; +} + +/** + Clarify whether Unicode FIFO buffer is empty. + + @param TerminalDevice Terminal driver private structure + + @retval TRUE If Unicode FIFO buffer is empty. + @retval FLASE If Unicode FIFO buffer is not empty. + +**/ +BOOLEAN +IsUnicodeFiFoEmpty ( + TERMINAL_DEV *TerminalDevice + ) +{ + if (TerminalDevice->UnicodeFiFo->Head == TerminalDevice->UnicodeFiFo->Tail) { + return TRUE; + } else { + return FALSE; + } +} + +/** + Clarify whether Unicode FIFO buffer is full. + + @param TerminalDevice Terminal driver private structure + + @retval TRUE If Unicode FIFO buffer is full. + @retval FLASE If Unicode FIFO buffer is not full. + +**/ +BOOLEAN +IsUnicodeFiFoFull ( + TERMINAL_DEV *TerminalDevice + ) +{ + UINT8 Tail; + UINT8 Head; + + Tail = TerminalDevice->UnicodeFiFo->Tail; + Head = TerminalDevice->UnicodeFiFo->Head; + + if (((Tail + 1) % (FIFO_MAX_NUMBER + 1)) == Head) { + + return TRUE; + } + + return FALSE; +} + +/** + Count Unicode FIFO buffer. + + @param TerminalDevice Terminal driver private structure + + @return The count in bytes of Unicode FIFO. + +**/ +UINT8 +UnicodeFiFoGetKeyCount ( + TERMINAL_DEV *TerminalDevice + ) +{ + UINT8 Tail; + UINT8 Head; + + Tail = TerminalDevice->UnicodeFiFo->Tail; + Head = TerminalDevice->UnicodeFiFo->Head; + + if (Tail >= Head) { + return (UINT8) (Tail - Head); + } else { + return (UINT8) (Tail + FIFO_MAX_NUMBER + 1 - Head); + } +} + +/** + Update the Unicode characters from a terminal input device into EFI Keys FIFO. + + @param TerminalDevice The terminal device to use to translate raw input into EFI Keys + +**/ +VOID +UnicodeToEfiKeyFlushState ( + IN TERMINAL_DEV *TerminalDevice + ) +{ + EFI_INPUT_KEY Key; + UINT32 InputState; + + InputState = TerminalDevice->InputState; + + if( IsEfiKeyFiFoFull(TerminalDevice) ) return; + + if ((InputState & INPUT_STATE_ESC) != 0) { + Key.ScanCode = SCAN_ESC; + Key.UnicodeChar = 0; + EfiKeyFiFoInsertOneKey (TerminalDevice, &Key); + } + + if ((InputState & INPUT_STATE_CSI) != 0) { + Key.ScanCode = SCAN_NULL; + Key.UnicodeChar = CSI; + EfiKeyFiFoInsertOneKey (TerminalDevice, &Key); + } + + if ((InputState & INPUT_STATE_LEFTOPENBRACKET) != 0) { + Key.ScanCode = SCAN_NULL; + Key.UnicodeChar = LEFTOPENBRACKET; + EfiKeyFiFoInsertOneKey (TerminalDevice, &Key); + } + + if ((InputState & INPUT_STATE_O) != 0) { + Key.ScanCode = SCAN_NULL; + Key.UnicodeChar = 'O'; + EfiKeyFiFoInsertOneKey (TerminalDevice, &Key); + } + + if ((InputState & INPUT_STATE_2) != 0) { + Key.ScanCode = SCAN_NULL; + Key.UnicodeChar = '2'; + EfiKeyFiFoInsertOneKey (TerminalDevice, &Key); + } + + // + // Cancel the timer. + // + gBS->SetTimer ( + TerminalDevice->TwoSecondTimeOut, + TimerCancel, + 0 + ); + + TerminalDevice->InputState = INPUT_STATE_DEFAULT; +} + + +/** + Converts a stream of Unicode characters from a terminal input device into EFI Keys that + can be read through the Simple Input Protocol. + + The table below shows the keyboard input mappings that this function supports. + If the ESC sequence listed in one of the columns is presented, then it is translated + into the corresponding EFI Scan Code. If a matching sequence is not found, then the raw + key strokes are converted into EFI Keys. + + 2 seconds are allowed for an ESC sequence to be completed. If the ESC sequence is not + completed in 2 seconds, then the raw key strokes of the partial ESC sequence are + converted into EFI Keys. + There is one special input sequence that will force the system to reset. + This is ESC R ESC r ESC R. + + Note: current implementation support terminal types include: PC ANSI, VT100+/VTUTF8, VT100. + The table below is not same with UEFI Spec 2.3 Appendix B Table 201(not support ANSI X3.64 / + DEC VT200-500 and extra support PC ANSI, VT100)since UEFI Table 201 is just an example. + + Symbols used in table below + =========================== + ESC = 0x1B + CSI = 0x9B + DEL = 0x7f + ^ = CTRL + + +=========+======+===========+==========+==========+ + | | EFI | UEFI 2.0 | | | + | | Scan | | VT100+ | | + | KEY | Code | PC ANSI | VTUTF8 | VT100 | + +=========+======+===========+==========+==========+ + | NULL | 0x00 | | | | + | UP | 0x01 | ESC [ A | ESC [ A | ESC [ A | + | DOWN | 0x02 | ESC [ B | ESC [ B | ESC [ B | + | RIGHT | 0x03 | ESC [ C | ESC [ C | ESC [ C | + | LEFT | 0x04 | ESC [ D | ESC [ D | ESC [ D | + | HOME | 0x05 | ESC [ H | ESC h | ESC [ H | + | END | 0x06 | ESC [ F | ESC k | ESC [ K | + | INSERT | 0x07 | ESC [ @ | ESC + | ESC [ @ | + | | | ESC [ L | | ESC [ L | + | DELETE | 0x08 | ESC [ X | ESC - | ESC [ P | + | PG UP | 0x09 | ESC [ I | ESC ? | ESC [ V | + | | | | | ESC [ ? | + | PG DOWN | 0x0A | ESC [ G | ESC / | ESC [ U | + | | | | | ESC [ / | + | F1 | 0x0B | ESC [ M | ESC 1 | ESC O P | + | F2 | 0x0C | ESC [ N | ESC 2 | ESC O Q | + | F3 | 0x0D | ESC [ O | ESC 3 | ESC O w | + | F4 | 0x0E | ESC [ P | ESC 4 | ESC O x | + | F5 | 0x0F | ESC [ Q | ESC 5 | ESC O t | + | F6 | 0x10 | ESC [ R | ESC 6 | ESC O u | + | F7 | 0x11 | ESC [ S | ESC 7 | ESC O q | + | F8 | 0x12 | ESC [ T | ESC 8 | ESC O r | + | F9 | 0x13 | ESC [ U | ESC 9 | ESC O p | + | F10 | 0x14 | ESC [ V | ESC 0 | ESC O M | + | Escape | 0x17 | ESC | ESC | ESC | + | F11 | 0x15 | | ESC ! | | + | F12 | 0x16 | | ESC @ | | + +=========+======+===========+==========+==========+ + + Special Mappings + ================ + ESC R ESC r ESC R = Reset System + + @param TerminalDevice The terminal device to use to translate raw input into EFI Keys + +**/ +VOID +UnicodeToEfiKey ( + IN TERMINAL_DEV *TerminalDevice + ) +{ + EFI_STATUS Status; + EFI_STATUS TimerStatus; + UINT16 UnicodeChar; + EFI_INPUT_KEY Key; + BOOLEAN SetDefaultResetState; + + TimerStatus = gBS->CheckEvent (TerminalDevice->TwoSecondTimeOut); + + if (!EFI_ERROR (TimerStatus)) { + UnicodeToEfiKeyFlushState (TerminalDevice); + TerminalDevice->ResetState = RESET_STATE_DEFAULT; + } + + while (!IsUnicodeFiFoEmpty(TerminalDevice) && !IsEfiKeyFiFoFull(TerminalDevice) ) { + + if (TerminalDevice->InputState != INPUT_STATE_DEFAULT) { + // + // Check to see if the 2 seconds timer has expired + // + TimerStatus = gBS->CheckEvent (TerminalDevice->TwoSecondTimeOut); + if (!EFI_ERROR (TimerStatus)) { + UnicodeToEfiKeyFlushState (TerminalDevice); + TerminalDevice->ResetState = RESET_STATE_DEFAULT; + } + } + + // + // Fetch one Unicode character from the Unicode FIFO + // + UnicodeFiFoRemoveOneKey (TerminalDevice, &UnicodeChar); + + SetDefaultResetState = TRUE; + + switch (TerminalDevice->InputState) { + case INPUT_STATE_DEFAULT: + + break; + + case INPUT_STATE_ESC: + + if (UnicodeChar == LEFTOPENBRACKET) { + TerminalDevice->InputState |= INPUT_STATE_LEFTOPENBRACKET; + TerminalDevice->ResetState = RESET_STATE_DEFAULT; + continue; + } + + if (UnicodeChar == 'O' && TerminalDevice->TerminalType == VT100TYPE) { + TerminalDevice->InputState |= INPUT_STATE_O; + TerminalDevice->ResetState = RESET_STATE_DEFAULT; + continue; + } + + Key.ScanCode = SCAN_NULL; + + if (TerminalDevice->TerminalType == VT100PLUSTYPE || + TerminalDevice->TerminalType == VTUTF8TYPE) { + switch (UnicodeChar) { + case '1': + Key.ScanCode = SCAN_F1; + break; + case '2': + Key.ScanCode = SCAN_F2; + break; + case '3': + Key.ScanCode = SCAN_F3; + break; + case '4': + Key.ScanCode = SCAN_F4; + break; + case '5': + Key.ScanCode = SCAN_F5; + break; + case '6': + Key.ScanCode = SCAN_F6; + break; + case '7': + Key.ScanCode = SCAN_F7; + break; + case '8': + Key.ScanCode = SCAN_F8; + break; + case '9': + Key.ScanCode = SCAN_F9; + break; + case '0': + Key.ScanCode = SCAN_F10; + break; + case '!': + Key.ScanCode = SCAN_F11; + break; + case '@': + Key.ScanCode = SCAN_F12; + break; + case 'h': + Key.ScanCode = SCAN_HOME; + break; + case 'k': + Key.ScanCode = SCAN_END; + break; + case '+': + Key.ScanCode = SCAN_INSERT; + break; + case '-': + Key.ScanCode = SCAN_DELETE; + break; + case '/': + Key.ScanCode = SCAN_PAGE_DOWN; + break; + case '?': + Key.ScanCode = SCAN_PAGE_UP; + break; + default : + break; + } + } + + switch (UnicodeChar) { + case 'R': + if (TerminalDevice->ResetState == RESET_STATE_DEFAULT) { + TerminalDevice->ResetState = RESET_STATE_ESC_R; + SetDefaultResetState = FALSE; + } else if (TerminalDevice->ResetState == RESET_STATE_ESC_R_ESC_R) { + gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL); + } + Key.ScanCode = SCAN_NULL; + break; + case 'r': + if (TerminalDevice->ResetState == RESET_STATE_ESC_R) { + TerminalDevice->ResetState = RESET_STATE_ESC_R_ESC_R; + SetDefaultResetState = FALSE; + } + Key.ScanCode = SCAN_NULL; + break; + default : + break; + } + + if (SetDefaultResetState) { + TerminalDevice->ResetState = RESET_STATE_DEFAULT; + } + + if (Key.ScanCode != SCAN_NULL) { + Key.UnicodeChar = 0; + EfiKeyFiFoInsertOneKey (TerminalDevice, &Key); + TerminalDevice->InputState = INPUT_STATE_DEFAULT; + UnicodeToEfiKeyFlushState (TerminalDevice); + continue; + } + + UnicodeToEfiKeyFlushState (TerminalDevice); + + break; + + case INPUT_STATE_ESC | INPUT_STATE_O: + + TerminalDevice->ResetState = RESET_STATE_DEFAULT; + + Key.ScanCode = SCAN_NULL; + + if (TerminalDevice->TerminalType == VT100TYPE) { + switch (UnicodeChar) { + case 'P': + Key.ScanCode = SCAN_F1; + break; + case 'Q': + Key.ScanCode = SCAN_F2; + break; + case 'w': + Key.ScanCode = SCAN_F3; + break; + case 'x': + Key.ScanCode = SCAN_F4; + break; + case 't': + Key.ScanCode = SCAN_F5; + break; + case 'u': + Key.ScanCode = SCAN_F6; + break; + case 'q': + Key.ScanCode = SCAN_F7; + break; + case 'r': + Key.ScanCode = SCAN_F8; + break; + case 'p': + Key.ScanCode = SCAN_F9; + break; + case 'M': + Key.ScanCode = SCAN_F10; + break; + default : + break; + } + } + + if (Key.ScanCode != SCAN_NULL) { + Key.UnicodeChar = 0; + EfiKeyFiFoInsertOneKey (TerminalDevice, &Key); + TerminalDevice->InputState = INPUT_STATE_DEFAULT; + UnicodeToEfiKeyFlushState (TerminalDevice); + continue; + } + + UnicodeToEfiKeyFlushState (TerminalDevice); + + break; + + case INPUT_STATE_ESC | INPUT_STATE_LEFTOPENBRACKET: + + TerminalDevice->ResetState = RESET_STATE_DEFAULT; + + Key.ScanCode = SCAN_NULL; + + if (TerminalDevice->TerminalType == PCANSITYPE || + TerminalDevice->TerminalType == VT100TYPE || + TerminalDevice->TerminalType == VT100PLUSTYPE || + TerminalDevice->TerminalType == VTUTF8TYPE) { + switch (UnicodeChar) { + case 'A': + Key.ScanCode = SCAN_UP; + break; + case 'B': + Key.ScanCode = SCAN_DOWN; + break; + case 'C': + Key.ScanCode = SCAN_RIGHT; + break; + case 'D': + Key.ScanCode = SCAN_LEFT; + break; + case 'H': + if (TerminalDevice->TerminalType == PCANSITYPE || + TerminalDevice->TerminalType == VT100TYPE) { + Key.ScanCode = SCAN_HOME; + } + break; + case 'F': + if (TerminalDevice->TerminalType == PCANSITYPE) { + Key.ScanCode = SCAN_END; + } + break; + case 'K': + if (TerminalDevice->TerminalType == VT100TYPE) { + Key.ScanCode = SCAN_END; + } + break; + case 'L': + case '@': + if (TerminalDevice->TerminalType == PCANSITYPE || + TerminalDevice->TerminalType == VT100TYPE) { + Key.ScanCode = SCAN_INSERT; + } + break; + case 'X': + if (TerminalDevice->TerminalType == PCANSITYPE) { + Key.ScanCode = SCAN_DELETE; + } + break; + case 'P': + if (TerminalDevice->TerminalType == VT100TYPE) { + Key.ScanCode = SCAN_DELETE; + } else if (TerminalDevice->TerminalType == PCANSITYPE) { + Key.ScanCode = SCAN_F4; + } + break; + case 'I': + if (TerminalDevice->TerminalType == PCANSITYPE) { + Key.ScanCode = SCAN_PAGE_UP; + } + break; + case 'V': + if (TerminalDevice->TerminalType == PCANSITYPE) { + Key.ScanCode = SCAN_F10; + } + case '?': + if (TerminalDevice->TerminalType == VT100TYPE) { + Key.ScanCode = SCAN_PAGE_UP; + } + break; + case 'G': + if (TerminalDevice->TerminalType == PCANSITYPE) { + Key.ScanCode = SCAN_PAGE_DOWN; + } + break; + case 'U': + if (TerminalDevice->TerminalType == PCANSITYPE) { + Key.ScanCode = SCAN_F9; + } + case '/': + if (TerminalDevice->TerminalType == VT100TYPE) { + Key.ScanCode = SCAN_PAGE_DOWN; + } + break; + case 'M': + if (TerminalDevice->TerminalType == PCANSITYPE) { + Key.ScanCode = SCAN_F1; + } + break; + case 'N': + if (TerminalDevice->TerminalType == PCANSITYPE) { + Key.ScanCode = SCAN_F2; + } + break; + case 'O': + if (TerminalDevice->TerminalType == PCANSITYPE) { + Key.ScanCode = SCAN_F3; + } + break; + case 'Q': + if (TerminalDevice->TerminalType == PCANSITYPE) { + Key.ScanCode = SCAN_F5; + } + break; + case 'R': + if (TerminalDevice->TerminalType == PCANSITYPE) { + Key.ScanCode = SCAN_F6; + } + break; + case 'S': + if (TerminalDevice->TerminalType == PCANSITYPE) { + Key.ScanCode = SCAN_F7; + } + break; + case 'T': + if (TerminalDevice->TerminalType == PCANSITYPE) { + Key.ScanCode = SCAN_F8; + } + break; + default : + break; + } + } + + if (Key.ScanCode != SCAN_NULL) { + Key.UnicodeChar = 0; + EfiKeyFiFoInsertOneKey (TerminalDevice, &Key); + TerminalDevice->InputState = INPUT_STATE_DEFAULT; + UnicodeToEfiKeyFlushState (TerminalDevice); + continue; + } + + UnicodeToEfiKeyFlushState (TerminalDevice); + + break; + + + default: + // + // Invalid state. This should never happen. + // + ASSERT (FALSE); + + UnicodeToEfiKeyFlushState (TerminalDevice); + + break; + } + + if (UnicodeChar == ESC) { + TerminalDevice->InputState = INPUT_STATE_ESC; + } + + if (UnicodeChar == CSI) { + TerminalDevice->InputState = INPUT_STATE_CSI; + } + + if (TerminalDevice->InputState != INPUT_STATE_DEFAULT) { + Status = gBS->SetTimer( + TerminalDevice->TwoSecondTimeOut, + TimerRelative, + (UINT64)20000000 + ); + ASSERT_EFI_ERROR (Status); + continue; + } + + if (SetDefaultResetState) { + TerminalDevice->ResetState = RESET_STATE_DEFAULT; + } + + if (UnicodeChar == DEL) { + Key.ScanCode = SCAN_DELETE; + Key.UnicodeChar = 0; + } else { + Key.ScanCode = SCAN_NULL; + Key.UnicodeChar = UnicodeChar; + } + + EfiKeyFiFoInsertOneKey (TerminalDevice, &Key); + } +} diff --git a/MdeModulePkg/Universal/Console/TerminalDxe/Vtutf8.c b/MdeModulePkg/Universal/Console/TerminalDxe/Vtutf8.c index 26fc13147a..1ad2f9c6b8 100644 --- a/MdeModulePkg/Universal/Console/TerminalDxe/Vtutf8.c +++ b/MdeModulePkg/Universal/Console/TerminalDxe/Vtutf8.c @@ -1,328 +1,328 @@ -/** @file
- Implementation of translation upon VT-UTF8.
-
-Copyright (c) 2006 - 2010, 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.
-
-**/
-
-#include "Terminal.h"
-
-/**
- Translate all VT-UTF8 characters in the Raw FIFI into unicode characters,
- and insert them into Unicode FIFO.
-
- @param TerminalDevice The terminal device.
-
-**/
-VOID
-VTUTF8RawDataToUnicode (
- IN TERMINAL_DEV *TerminalDevice
- )
-{
- UTF8_CHAR Utf8Char;
- UINT8 ValidBytes;
- UINT16 UnicodeChar;
-
- ValidBytes = 0;
- //
- // pop the raw data out from the raw fifo,
- // and translate it into unicode, then push
- // the unicode into unicode fifo, until the raw fifo is empty.
- //
- while (!IsRawFiFoEmpty (TerminalDevice)) {
-
- GetOneValidUtf8Char (TerminalDevice, &Utf8Char, &ValidBytes);
-
- if (ValidBytes < 1 || ValidBytes > 3) {
- continue;
- }
-
- Utf8ToUnicode (Utf8Char, ValidBytes, (CHAR16 *) &UnicodeChar);
-
- UnicodeFiFoInsertOneKey (TerminalDevice, UnicodeChar);
- }
-}
-
-/**
- Get one valid VT-UTF8 characters set from Raw Data FIFO.
-
- @param Utf8Device The terminal device.
- @param Utf8Char Returned valid VT-UTF8 characters set.
- @param ValidBytes The count of returned VT-VTF8 characters.
- If ValidBytes is zero, no valid VT-UTF8 returned.
-
-**/
-VOID
-GetOneValidUtf8Char (
- IN TERMINAL_DEV *Utf8Device,
- OUT UTF8_CHAR *Utf8Char,
- OUT UINT8 *ValidBytes
- )
-{
- UINT8 Temp;
- UINT8 Index;
- BOOLEAN FetchFlag;
-
- Temp = 0;
- Index = 0;
- FetchFlag = TRUE;
-
- //
- // if no valid Utf8 char is found in the RawFiFo,
- // then *ValidBytes will be zero.
- //
- *ValidBytes = 0;
-
- while (!IsRawFiFoEmpty (Utf8Device)) {
-
- RawFiFoRemoveOneKey (Utf8Device, &Temp);
-
- switch (*ValidBytes) {
-
- case 0:
- if ((Temp & 0x80) == 0) {
- //
- // one-byte utf8 char
- //
- *ValidBytes = 1;
-
- Utf8Char->Utf8_1 = Temp;
-
- FetchFlag = FALSE;
-
- } else if ((Temp & 0xe0) == 0xc0) {
- //
- // two-byte utf8 char
- //
- *ValidBytes = 2;
-
- Utf8Char->Utf8_2[1] = Temp;
-
- } else if ((Temp & 0xf0) == 0xe0) {
- //
- // three-byte utf8 char
- //
- *ValidBytes = 3;
-
- Utf8Char->Utf8_3[2] = Temp;
-
- Index++;
-
- } else {
- //
- // reset *ValidBytes to zero, let valid utf8 char search restart
- //
- *ValidBytes = 0;
- }
-
- break;
-
- case 2:
- //
- // two-byte utf8 char go on
- //
- if ((Temp & 0xc0) == 0x80) {
-
- Utf8Char->Utf8_2[0] = Temp;
-
- FetchFlag = FALSE;
-
- } else {
-
- *ValidBytes = 0;
- }
- break;
-
- case 3:
- //
- // three-byte utf8 char go on
- //
- if ((Temp & 0xc0) == 0x80) {
- if (Index == 1) {
- Utf8Char->Utf8_3[1] = Temp;
- Index++;
- } else {
- Utf8Char->Utf8_3[0] = Temp;
- FetchFlag = FALSE;
- }
- } else {
- //
- // reset *ValidBytes and Index to zero, let valid utf8 char search restart
- //
- *ValidBytes = 0;
- Index = 0;
- }
- break;
-
- default:
- break;
- }
-
- if (!FetchFlag) {
- break;
- }
- }
-
- return ;
-}
-
-/**
- Translate VT-UTF8 characters into one Unicode character.
-
- UTF8 Encoding Table
- Bits per Character | Unicode Character Range | Unicode Binary Encoding | UTF8 Binary Encoding
- 0-7 | 0x0000 - 0x007F | 00000000 0xxxxxxx | 0xxxxxxx
- 8-11 | 0x0080 - 0x07FF | 00000xxx xxxxxxxx | 110xxxxx 10xxxxxx
- 12-16 | 0x0800 - 0xFFFF | xxxxxxxx xxxxxxxx | 1110xxxx 10xxxxxx 10xxxxxx
-
-
- @param Utf8Char VT-UTF8 character set needs translating.
- @param ValidBytes The count of valid VT-UTF8 characters.
- @param UnicodeChar Returned unicode character.
-
-**/
-VOID
-Utf8ToUnicode (
- IN UTF8_CHAR Utf8Char,
- IN UINT8 ValidBytes,
- OUT CHAR16 *UnicodeChar
- )
-{
- UINT8 UnicodeByte0;
- UINT8 UnicodeByte1;
- UINT8 Byte0;
- UINT8 Byte1;
- UINT8 Byte2;
-
- *UnicodeChar = 0;
-
- //
- // translate utf8 code to unicode, in terminal standard,
- // up to 3 bytes utf8 code is supported.
- //
- switch (ValidBytes) {
- case 1:
- //
- // one-byte utf8 code
- //
- *UnicodeChar = (UINT16) Utf8Char.Utf8_1;
- break;
-
- case 2:
- //
- // two-byte utf8 code
- //
- Byte0 = Utf8Char.Utf8_2[0];
- Byte1 = Utf8Char.Utf8_2[1];
-
- UnicodeByte0 = (UINT8) ((Byte1 << 6) | (Byte0 & 0x3f));
- UnicodeByte1 = (UINT8) ((Byte1 >> 2) & 0x07);
- *UnicodeChar = (UINT16) (UnicodeByte0 | (UnicodeByte1 << 8));
- break;
-
- case 3:
- //
- // three-byte utf8 code
- //
- Byte0 = Utf8Char.Utf8_3[0];
- Byte1 = Utf8Char.Utf8_3[1];
- Byte2 = Utf8Char.Utf8_3[2];
-
- UnicodeByte0 = (UINT8) ((Byte1 << 6) | (Byte0 & 0x3f));
- UnicodeByte1 = (UINT8) ((Byte2 << 4) | ((Byte1 >> 2) & 0x0f));
- *UnicodeChar = (UINT16) (UnicodeByte0 | (UnicodeByte1 << 8));
-
- default:
- break;
- }
-
- return ;
-}
-
-/**
- Translate one Unicode character into VT-UTF8 characters.
-
- UTF8 Encoding Table
- Bits per Character | Unicode Character Range | Unicode Binary Encoding | UTF8 Binary Encoding
- 0-7 | 0x0000 - 0x007F | 00000000 0xxxxxxx | 0xxxxxxx
- 8-11 | 0x0080 - 0x07FF | 00000xxx xxxxxxxx | 110xxxxx 10xxxxxx
- 12-16 | 0x0800 - 0xFFFF | xxxxxxxx xxxxxxxx | 1110xxxx 10xxxxxx 10xxxxxx
-
-
- @param Unicode Unicode character need translating.
- @param Utf8Char Return VT-UTF8 character set.
- @param ValidBytes The count of valid VT-UTF8 characters. If
- ValidBytes is zero, no valid VT-UTF8 returned.
-
-**/
-VOID
-UnicodeToUtf8 (
- IN CHAR16 Unicode,
- OUT UTF8_CHAR *Utf8Char,
- OUT UINT8 *ValidBytes
- )
-{
- UINT8 UnicodeByte0;
- UINT8 UnicodeByte1;
- //
- // translate unicode to utf8 code
- //
- UnicodeByte0 = (UINT8) Unicode;
- UnicodeByte1 = (UINT8) (Unicode >> 8);
-
- if (Unicode < 0x0080) {
-
- Utf8Char->Utf8_1 = (UINT8) (UnicodeByte0 & 0x7f);
- *ValidBytes = 1;
-
- } else if (Unicode < 0x0800) {
- //
- // byte sequence: high -> low
- // Utf8_2[0], Utf8_2[1]
- //
- Utf8Char->Utf8_2[1] = (UINT8) ((UnicodeByte0 & 0x3f) + 0x80);
- Utf8Char->Utf8_2[0] = (UINT8) ((((UnicodeByte1 << 2) + (UnicodeByte0 >> 6)) & 0x1f) + 0xc0);
-
- *ValidBytes = 2;
-
- } else {
- //
- // byte sequence: high -> low
- // Utf8_3[0], Utf8_3[1], Utf8_3[2]
- //
- Utf8Char->Utf8_3[2] = (UINT8) ((UnicodeByte0 & 0x3f) + 0x80);
- Utf8Char->Utf8_3[1] = (UINT8) ((((UnicodeByte1 << 2) + (UnicodeByte0 >> 6)) & 0x3f) + 0x80);
- Utf8Char->Utf8_3[0] = (UINT8) (((UnicodeByte1 >> 4) & 0x0f) + 0xe0);
-
- *ValidBytes = 3;
- }
-}
-
-
-/**
- Check if input string is valid VT-UTF8 string.
-
- @param TerminalDevice The terminal device.
- @param WString The input string.
-
- @retval EFI_SUCCESS If all input characters are valid.
-
-**/
-EFI_STATUS
-VTUTF8TestString (
- IN TERMINAL_DEV *TerminalDevice,
- IN CHAR16 *WString
- )
-{
- //
- // to utf8, all kind of characters are supported.
- //
- return EFI_SUCCESS;
-}
+/** @file + Implementation of translation upon VT-UTF8. + +Copyright (c) 2006 - 2010, 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. + +**/ + +#include "Terminal.h" + +/** + Translate all VT-UTF8 characters in the Raw FIFI into unicode characters, + and insert them into Unicode FIFO. + + @param TerminalDevice The terminal device. + +**/ +VOID +VTUTF8RawDataToUnicode ( + IN TERMINAL_DEV *TerminalDevice + ) +{ + UTF8_CHAR Utf8Char; + UINT8 ValidBytes; + UINT16 UnicodeChar; + + ValidBytes = 0; + // + // pop the raw data out from the raw fifo, + // and translate it into unicode, then push + // the unicode into unicode fifo, until the raw fifo is empty. + // + while (!IsRawFiFoEmpty (TerminalDevice) && !IsUnicodeFiFoFull(TerminalDevice) ) { + + GetOneValidUtf8Char (TerminalDevice, &Utf8Char, &ValidBytes); + + if (ValidBytes < 1 || ValidBytes > 3) { + continue; + } + + Utf8ToUnicode (Utf8Char, ValidBytes, (CHAR16 *) &UnicodeChar); + + UnicodeFiFoInsertOneKey (TerminalDevice, UnicodeChar); + } +} + +/** + Get one valid VT-UTF8 characters set from Raw Data FIFO. + + @param Utf8Device The terminal device. + @param Utf8Char Returned valid VT-UTF8 characters set. + @param ValidBytes The count of returned VT-VTF8 characters. + If ValidBytes is zero, no valid VT-UTF8 returned. + +**/ +VOID +GetOneValidUtf8Char ( + IN TERMINAL_DEV *Utf8Device, + OUT UTF8_CHAR *Utf8Char, + OUT UINT8 *ValidBytes + ) +{ + UINT8 Temp; + UINT8 Index; + BOOLEAN FetchFlag; + + Temp = 0; + Index = 0; + FetchFlag = TRUE; + + // + // if no valid Utf8 char is found in the RawFiFo, + // then *ValidBytes will be zero. + // + *ValidBytes = 0; + + while (!IsRawFiFoEmpty (Utf8Device)) { + + RawFiFoRemoveOneKey (Utf8Device, &Temp); + + switch (*ValidBytes) { + + case 0: + if ((Temp & 0x80) == 0) { + // + // one-byte utf8 char + // + *ValidBytes = 1; + + Utf8Char->Utf8_1 = Temp; + + FetchFlag = FALSE; + + } else if ((Temp & 0xe0) == 0xc0) { + // + // two-byte utf8 char + // + *ValidBytes = 2; + + Utf8Char->Utf8_2[1] = Temp; + + } else if ((Temp & 0xf0) == 0xe0) { + // + // three-byte utf8 char + // + *ValidBytes = 3; + + Utf8Char->Utf8_3[2] = Temp; + + Index++; + + } else { + // + // reset *ValidBytes to zero, let valid utf8 char search restart + // + *ValidBytes = 0; + } + + break; + + case 2: + // + // two-byte utf8 char go on + // + if ((Temp & 0xc0) == 0x80) { + + Utf8Char->Utf8_2[0] = Temp; + + FetchFlag = FALSE; + + } else { + + *ValidBytes = 0; + } + break; + + case 3: + // + // three-byte utf8 char go on + // + if ((Temp & 0xc0) == 0x80) { + if (Index == 1) { + Utf8Char->Utf8_3[1] = Temp; + Index++; + } else { + Utf8Char->Utf8_3[0] = Temp; + FetchFlag = FALSE; + } + } else { + // + // reset *ValidBytes and Index to zero, let valid utf8 char search restart + // + *ValidBytes = 0; + Index = 0; + } + break; + + default: + break; + } + + if (!FetchFlag) { + break; + } + } + + return ; +} + +/** + Translate VT-UTF8 characters into one Unicode character. + + UTF8 Encoding Table + Bits per Character | Unicode Character Range | Unicode Binary Encoding | UTF8 Binary Encoding + 0-7 | 0x0000 - 0x007F | 00000000 0xxxxxxx | 0xxxxxxx + 8-11 | 0x0080 - 0x07FF | 00000xxx xxxxxxxx | 110xxxxx 10xxxxxx + 12-16 | 0x0800 - 0xFFFF | xxxxxxxx xxxxxxxx | 1110xxxx 10xxxxxx 10xxxxxx + + + @param Utf8Char VT-UTF8 character set needs translating. + @param ValidBytes The count of valid VT-UTF8 characters. + @param UnicodeChar Returned unicode character. + +**/ +VOID +Utf8ToUnicode ( + IN UTF8_CHAR Utf8Char, + IN UINT8 ValidBytes, + OUT CHAR16 *UnicodeChar + ) +{ + UINT8 UnicodeByte0; + UINT8 UnicodeByte1; + UINT8 Byte0; + UINT8 Byte1; + UINT8 Byte2; + + *UnicodeChar = 0; + + // + // translate utf8 code to unicode, in terminal standard, + // up to 3 bytes utf8 code is supported. + // + switch (ValidBytes) { + case 1: + // + // one-byte utf8 code + // + *UnicodeChar = (UINT16) Utf8Char.Utf8_1; + break; + + case 2: + // + // two-byte utf8 code + // + Byte0 = Utf8Char.Utf8_2[0]; + Byte1 = Utf8Char.Utf8_2[1]; + + UnicodeByte0 = (UINT8) ((Byte1 << 6) | (Byte0 & 0x3f)); + UnicodeByte1 = (UINT8) ((Byte1 >> 2) & 0x07); + *UnicodeChar = (UINT16) (UnicodeByte0 | (UnicodeByte1 << 8)); + break; + + case 3: + // + // three-byte utf8 code + // + Byte0 = Utf8Char.Utf8_3[0]; + Byte1 = Utf8Char.Utf8_3[1]; + Byte2 = Utf8Char.Utf8_3[2]; + + UnicodeByte0 = (UINT8) ((Byte1 << 6) | (Byte0 & 0x3f)); + UnicodeByte1 = (UINT8) ((Byte2 << 4) | ((Byte1 >> 2) & 0x0f)); + *UnicodeChar = (UINT16) (UnicodeByte0 | (UnicodeByte1 << 8)); + + default: + break; + } + + return ; +} + +/** + Translate one Unicode character into VT-UTF8 characters. + + UTF8 Encoding Table + Bits per Character | Unicode Character Range | Unicode Binary Encoding | UTF8 Binary Encoding + 0-7 | 0x0000 - 0x007F | 00000000 0xxxxxxx | 0xxxxxxx + 8-11 | 0x0080 - 0x07FF | 00000xxx xxxxxxxx | 110xxxxx 10xxxxxx + 12-16 | 0x0800 - 0xFFFF | xxxxxxxx xxxxxxxx | 1110xxxx 10xxxxxx 10xxxxxx + + + @param Unicode Unicode character need translating. + @param Utf8Char Return VT-UTF8 character set. + @param ValidBytes The count of valid VT-UTF8 characters. If + ValidBytes is zero, no valid VT-UTF8 returned. + +**/ +VOID +UnicodeToUtf8 ( + IN CHAR16 Unicode, + OUT UTF8_CHAR *Utf8Char, + OUT UINT8 *ValidBytes + ) +{ + UINT8 UnicodeByte0; + UINT8 UnicodeByte1; + // + // translate unicode to utf8 code + // + UnicodeByte0 = (UINT8) Unicode; + UnicodeByte1 = (UINT8) (Unicode >> 8); + + if (Unicode < 0x0080) { + + Utf8Char->Utf8_1 = (UINT8) (UnicodeByte0 & 0x7f); + *ValidBytes = 1; + + } else if (Unicode < 0x0800) { + // + // byte sequence: high -> low + // Utf8_2[0], Utf8_2[1] + // + Utf8Char->Utf8_2[1] = (UINT8) ((UnicodeByte0 & 0x3f) + 0x80); + Utf8Char->Utf8_2[0] = (UINT8) ((((UnicodeByte1 << 2) + (UnicodeByte0 >> 6)) & 0x1f) + 0xc0); + + *ValidBytes = 2; + + } else { + // + // byte sequence: high -> low + // Utf8_3[0], Utf8_3[1], Utf8_3[2] + // + Utf8Char->Utf8_3[2] = (UINT8) ((UnicodeByte0 & 0x3f) + 0x80); + Utf8Char->Utf8_3[1] = (UINT8) ((((UnicodeByte1 << 2) + (UnicodeByte0 >> 6)) & 0x3f) + 0x80); + Utf8Char->Utf8_3[0] = (UINT8) (((UnicodeByte1 >> 4) & 0x0f) + 0xe0); + + *ValidBytes = 3; + } +} + + +/** + Check if input string is valid VT-UTF8 string. + + @param TerminalDevice The terminal device. + @param WString The input string. + + @retval EFI_SUCCESS If all input characters are valid. + +**/ +EFI_STATUS +VTUTF8TestString ( + IN TERMINAL_DEV *TerminalDevice, + IN CHAR16 *WString + ) +{ + // + // to utf8, all kind of characters are supported. + // + return EFI_SUCCESS; +} |