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audk
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remove some internal functions and allocate some FIFO data structure instead of declaring in global variable. To save size. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7416 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
vanjeff 2009-02-03 07:25:00 +00:00
parent 1068a65374
commit 5c998646f3
4 changed files with 112 additions and 180 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

101
MdeModulePkg/Universal/Console/TerminalDxe/Terminal.c
View File

@ -69,21 +69,11 @@ TERMINAL_DEV mTerminalDevTemplate = {
TRUE // CursorVisible TRUE // CursorVisible
}, },
0, // SerialInTimeOut 0, // SerialInTimeOut
{ // RawFiFo
0, NULL, // RawFifo
0, NULL, // UnicodeFiFo
{ 0 } NULL, // EfiKeyFiFo
},
{ // UnicodeFiFo
0,
0,
{ 0 }
},
{ // EfiKeyFiFo
0,
0,
{ {0} }
},
NULL, // ControllerNameTable NULL, // ControllerNameTable
NULL, // TwoSecondTimeOut NULL, // TwoSecondTimeOut
INPUT_STATE_DEFAULT, INPUT_STATE_DEFAULT,
@ -424,12 +414,21 @@ TerminalDriverBindingStart (
goto Error; goto Error;
} }
// //
// initialize the FIFO buffer used for accommodating // Allocates and initializes the FIFO buffer to be zero, used for accommodating
// the pre-read pending characters // the pre-read pending characters.
// //
InitializeRawFiFo (TerminalDevice); TerminalDevice->RawFiFo = AllocateZeroPool (sizeof (RAW_DATA_FIFO));
InitializeUnicodeFiFo (TerminalDevice); if (TerminalDevice->RawFiFo == NULL) {
InitializeEfiKeyFiFo (TerminalDevice); goto Error;
}
TerminalDevice->UnicodeFiFo = AllocateZeroPool (sizeof (UNICODE_FIFO));
if (TerminalDevice->UnicodeFiFo == NULL) {
goto Error;
}
TerminalDevice->EfiKeyFiFo = AllocateZeroPool (sizeof (EFI_KEY_FIFO));
if (TerminalDevice->EfiKeyFiFo == NULL) {
goto Error;
}
// //
// Set the timeout value of serial buffer for // Set the timeout value of serial buffer for
@ -704,6 +703,16 @@ Error:
TerminalFreeNotifyList (&TerminalDevice->NotifyList); TerminalFreeNotifyList (&TerminalDevice->NotifyList);
if (TerminalDevice->RawFiFo != NULL) {
FreePool (TerminalDevice->RawFiFo);
}
if (TerminalDevice->UnicodeFiFo != NULL) {
FreePool (TerminalDevice->UnicodeFiFo);
}
if (TerminalDevice->EfiKeyFiFo != NULL) {
FreePool (TerminalDevice->EfiKeyFiFo);
}
if (TerminalDevice->ControllerNameTable != NULL) { if (TerminalDevice->ControllerNameTable != NULL) {
FreeUnicodeStringTable (TerminalDevice->ControllerNameTable); FreeUnicodeStringTable (TerminalDevice->ControllerNameTable);
} }
@ -1279,58 +1288,6 @@ SetTerminalDevicePath (
return EFI_SUCCESS; return EFI_SUCCESS;
} }
/**
Initialize the Raw Data FIFO.
@param TerminalDevice The terminal device.
**/
VOID
InitializeRawFiFo (
IN TERMINAL_DEV *TerminalDevice
)
{
//
// Make the raw FIFO empty.
//
TerminalDevice->RawFiFo.Head = TerminalDevice->RawFiFo.Tail;
}
/**
Initialize the Unicode FIFO.
@param TerminalDevice The terminal device.
**/
VOID
InitializeUnicodeFiFo (
IN TERMINAL_DEV *TerminalDevice
)
{
//
// Make the unicode FIFO empty
//
TerminalDevice->UnicodeFiFo.Head = TerminalDevice->UnicodeFiFo.Tail;
}
/**
Initialize the EFI Key FIFO.
@param TerminalDevice The terminal device.
**/
VOID
InitializeEfiKeyFiFo (
IN TERMINAL_DEV *TerminalDevice
)
{
//
// Make the efi key FIFO empty
//
TerminalDevice->EfiKeyFiFo.Head = TerminalDevice->EfiKeyFiFo.Tail;
}
/** /**
The user Entry Point for module Terminal. The user code starts with this function. The user Entry Point for module Terminal. The user code starts with this function.

79
MdeModulePkg/Universal/Console/TerminalDxe/Terminal.h
View File

@ -84,9 +84,9 @@ typedef struct {
EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL SimpleTextOutput; EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL SimpleTextOutput;
EFI_SIMPLE_TEXT_OUTPUT_MODE SimpleTextOutputMode; EFI_SIMPLE_TEXT_OUTPUT_MODE SimpleTextOutputMode;
UINTN SerialInTimeOut; UINTN SerialInTimeOut;
RAW_DATA_FIFO RawFiFo; RAW_DATA_FIFO *RawFiFo;
UNICODE_FIFO UnicodeFiFo; UNICODE_FIFO *UnicodeFiFo;
EFI_KEY_FIFO EfiKeyFiFo; EFI_KEY_FIFO *EfiKeyFiFo;
EFI_UNICODE_STRING_TABLE *ControllerNameTable; EFI_UNICODE_STRING_TABLE *ControllerNameTable;
EFI_EVENT TwoSecondTimeOut; EFI_EVENT TwoSecondTimeOut;
UINT32 InputState; UINT32 InputState;
@ -491,7 +491,7 @@ TerminalConOutQueryMode (
@param ModeNumber The text mode to set. @param ModeNumber The text mode to set.
@retval EFI_SUCCESS The requested text mode is set. @retval EFI_SUCCESS The requested text mode is set.
@retval EFI_DEVICE_ERROR The requested text mode cannot be set @retval EFI_DEVICE_ERROR The requested text mode cannot be set
because of serial device error. because of serial device error.
@retval EFI_UNSUPPORTED The text mode number is not valid. @retval EFI_UNSUPPORTED The text mode number is not valid.
@ -581,7 +581,7 @@ TerminalConOutEnableCursor (
); );
/** /**
Test to see if this driver supports Controller. Test to see if this driver supports Controller.
@param This Protocol instance pointer. @param This Protocol instance pointer.
@param ControllerHandle Handle of device to test @param ControllerHandle Handle of device to test
@ -629,7 +629,7 @@ TerminalDriverBindingStart (
/** /**
Stop this driver on Controller by closing Simple Text In, Simple Text Stop this driver on Controller by closing Simple Text In, Simple Text
In Ex, Simple Text Out protocol, and removing parent device path from In Ex, Simple Text Out protocol, and removing parent device path from
Console Device Environment Variables. Console Device Environment Variables.
@param This Protocol instance pointer. @param This Protocol instance pointer.
@param Controller Handle of device to stop driver on @param Controller Handle of device to stop driver on
@ -847,7 +847,7 @@ TerminalRemoveConsoleDevVariable (
@param VariableSize Returns the size of the EFI variable that was read @param VariableSize Returns the size of the EFI variable that was read
@return Dynamically allocated memory that contains a copy of the EFI variable. @return Dynamically allocated memory that contains a copy of the EFI variable.
Caller is repsoncible freeing the buffer. If variable was not read, Caller is repsoncible freeing the buffer. If variable was not read,
NULL regturned. NULL regturned.
**/ **/
@ -877,39 +877,6 @@ SetTerminalDevicePath (
OUT EFI_DEVICE_PATH_PROTOCOL **TerminalDevicePath OUT EFI_DEVICE_PATH_PROTOCOL **TerminalDevicePath
); );
/**
Initialize the Raw Data FIFO.
@param TerminalDevice The terminal device.
**/
VOID
InitializeRawFiFo (
IN TERMINAL_DEV *TerminalDevice
);
/**
Initialize the Unicode FIFO.
@param TerminalDevice The terminal device.
**/
VOID
InitializeUnicodeFiFo (
IN TERMINAL_DEV *TerminalDevice
);
/**
Initialize the EFI Key FIFO.
@param TerminalDevice The terminal device.
**/
VOID
InitializeEfiKeyFiFo (
IN TERMINAL_DEV *TerminalDevice
);
/** /**
Get one key out of serial buffer. Get one key out of serial buffer.
@ -1125,8 +1092,8 @@ UnicodeFiFoGetKeyCount (
); );
/** /**
Translate raw data into Unicode (according to different encode), and Translate raw data into Unicode (according to different encode), and
translate Unicode into key information. (according to different standard). translate Unicode into key information. (according to different standard).
@param TerminalDevice Terminal driver private structure. @param TerminalDevice Terminal driver private structure.
@ -1154,8 +1121,8 @@ AnsiRawDataToUnicode (
/** /**
Converts a stream of Unicode characters from a terminal input device into EFI Keys that Converts a stream of Unicode characters from a terminal input device into EFI Keys that
can be read through the Simple Input Protocol. can be read through the Simple Input Protocol.
The table below shows the keyboard input mappings that this function supports. 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 If the ESC sequence listed in one of the columns is presented, then it is translated
into the coorespoding EFI Scan Code. If a matching sequence is not found, then the raw into the coorespoding EFI Scan Code. If a matching sequence is not found, then the raw
@ -1206,7 +1173,7 @@ AnsiRawDataToUnicode (
| F11 | 0x15 | | ESC ! | | | F11 | 0x15 | | ESC ! | |
| F12 | 0x16 | | ESC @ | | | F12 | 0x16 | | ESC @ | |
+=========+======+===========+==========+==========+ +=========+======+===========+==========+==========+
Special Mappings Special Mappings
================ ================
ESC R ESC r ESC R = Reset System ESC R ESC r ESC R = Reset System
@ -1225,8 +1192,8 @@ UnicodeToEfiKey (
or valid text graphics. or valid text graphics.
@param TerminalDevice The terminal device. @param TerminalDevice The terminal device.
@param WString The input string. @param WString The input string.
@retval EFI_UNSUPPORTED If not all input characters are valid. @retval EFI_UNSUPPORTED If not all input characters are valid.
@retval EFI_SUCCESS If all input characters are valid. @retval EFI_SUCCESS If all input characters are valid.
@ -1242,7 +1209,7 @@ AnsiTestString (
// //
/** /**
Translate all VT-UTF8 characters in the Raw FIFI into unicode characters, Translate all VT-UTF8 characters in the Raw FIFI into unicode characters,
and insert them into Unicode FIFO. and insert them into Unicode FIFO.
@param VtUtf8Device The terminal device. @param VtUtf8Device The terminal device.
@ -1257,8 +1224,8 @@ VTUTF8RawDataToUnicode (
Check if input string is valid VT-UTF8 string. Check if input string is valid VT-UTF8 string.
@param TerminalDevice The terminal device. @param TerminalDevice The terminal device.
@param WString The input string. @param WString The input string.
@retval EFI_SUCCESS If all input characters are valid. @retval EFI_SUCCESS If all input characters are valid.
**/ **/
@ -1268,7 +1235,7 @@ VTUTF8TestString (
IN CHAR16 *WString IN CHAR16 *WString
); );
/** /**
Translate one Unicode character into VT-UTF8 characters. Translate one Unicode character into VT-UTF8 characters.
UTF8 Encoding Table UTF8 Encoding Table
@ -1296,7 +1263,7 @@ UnicodeToUtf8 (
@param Utf8Device The terminal device. @param Utf8Device The terminal device.
@param Utf8Char Returned valid VT-UTF8 characters set. @param Utf8Char Returned valid VT-UTF8 characters set.
@param ValidBytes The count of returned VT-VTF8 characters. @param ValidBytes The count of returned VT-VTF8 characters.
If ValidBytes is zero, no valid VT-UTF8 returned. If ValidBytes is zero, no valid VT-UTF8 returned.
**/ **/
@ -1307,7 +1274,7 @@ GetOneValidUtf8Char (
OUT UINT8 *ValidBytes OUT UINT8 *ValidBytes
); );
/** /**
Translate VT-UTF8 characters into one Unicode character. Translate VT-UTF8 characters into one Unicode character.
UTF8 Encoding Table UTF8 Encoding Table
@ -1319,7 +1286,7 @@ GetOneValidUtf8Char (
@param Utf8Char VT-UTF8 character set needs translating. @param Utf8Char VT-UTF8 character set needs translating.
@param ValidBytes The count of valid VT-UTF8 characters. @param ValidBytes The count of valid VT-UTF8 characters.
@param UnicodeChar Returned unicode character. @param UnicodeChar Returned unicode character.
**/ **/
VOID VOID
@ -1356,7 +1323,7 @@ TerminalIsValidTextGraphics (
Detects if a valid ASCII char. Detects if a valid ASCII char.
@param Ascii An ASCII character. @param Ascii An ASCII character.
@retval TRUE If it is a valid ASCII character. @retval TRUE If it is a valid ASCII character.
@retval FALSE If it is not a valid ASCII character. @retval FALSE If it is not a valid ASCII character.
@ -1370,7 +1337,7 @@ TerminalIsValidAscii (
Detects if a valid EFI control character. Detects if a valid EFI control character.
@param CharC An input EFI Control character. @param CharC An input EFI Control character.
@retval TRUE If it is a valid EFI control character. @retval TRUE If it is a valid EFI control character.
@retval FALSE If it is not a valid EFI control character. @retval FALSE If it is not a valid EFI control character.

84
MdeModulePkg/Universal/Console/TerminalDxe/TerminalConIn.c
View File

@ -120,11 +120,11 @@ TerminalConInReset (
Status = TerminalDevice->SerialIo->Reset (TerminalDevice->SerialIo); Status = TerminalDevice->SerialIo->Reset (TerminalDevice->SerialIo);
// //
// clear all the internal buffer for keys // Make all the internal buffer empty for keys
// //
InitializeRawFiFo (TerminalDevice); TerminalDevice->RawFiFo->Head = TerminalDevice->RawFiFo->Tail;
InitializeUnicodeFiFo (TerminalDevice); TerminalDevice->UnicodeFiFo->Head = TerminalDevice->UnicodeFiFo->Tail;
InitializeEfiKeyFiFo (TerminalDevice); TerminalDevice->EfiKeyFiFo->Head = TerminalDevice->EfiKeyFiFo->Tail;
if (EFI_ERROR (Status)) { if (EFI_ERROR (Status)) {
REPORT_STATUS_CODE_WITH_DEVICE_PATH ( REPORT_STATUS_CODE_WITH_DEVICE_PATH (
@ -179,7 +179,7 @@ TerminalConInReadKeyStroke (
/** /**
Check if the key already has been registered. Check if the key already has been registered.
If both RegsiteredData and InputData is NULL, then ASSERT(). If both RegsiteredData and InputData is NULL, then ASSERT().
@param RegsiteredData A pointer to a buffer that is filled in with the @param RegsiteredData A pointer to a buffer that is filled in with the
@ -450,7 +450,7 @@ TerminalConInUnregisterKeyNotify (
LIST_ENTRY *Link; LIST_ENTRY *Link;
TERMINAL_CONSOLE_IN_EX_NOTIFY *CurrentNotify; TERMINAL_CONSOLE_IN_EX_NOTIFY *CurrentNotify;
LIST_ENTRY *NotifyList; LIST_ENTRY *NotifyList;
if (NotificationHandle == NULL) { if (NotificationHandle == NULL) {
return EFI_INVALID_PARAMETER; return EFI_INVALID_PARAMETER;
} }
@ -498,8 +498,8 @@ TerminalConInUnregisterKeyNotify (
} }
/** /**
Translate raw data into Unicode (according to different encode), and Translate raw data into Unicode (according to different encode), and
translate Unicode into key information. (according to different standard). translate Unicode into key information. (according to different standard).
@param TerminalDevice Terminal driver private structure. @param TerminalDevice Terminal driver private structure.
@ -746,7 +746,7 @@ RawFiFoInsertOneKey (
{ {
UINT8 Tail; UINT8 Tail;
Tail = TerminalDevice->RawFiFo.Tail; Tail = TerminalDevice->RawFiFo->Tail;
if (IsRawFiFoFull (TerminalDevice)) { if (IsRawFiFoFull (TerminalDevice)) {
// //
@ -755,9 +755,9 @@ RawFiFoInsertOneKey (
return FALSE; return FALSE;
} }
TerminalDevice->RawFiFo.Data[Tail] = Input; TerminalDevice->RawFiFo->Data[Tail] = Input;
TerminalDevice->RawFiFo.Tail = (UINT8) ((Tail + 1) % (RAW_FIFO_MAX_NUMBER + 1)); TerminalDevice->RawFiFo->Tail = (UINT8) ((Tail + 1) % (RAW_FIFO_MAX_NUMBER + 1));
return TRUE; return TRUE;
} }
@ -780,7 +780,7 @@ RawFiFoRemoveOneKey (
{ {
UINT8 Head; UINT8 Head;
Head = TerminalDevice->RawFiFo.Head; Head = TerminalDevice->RawFiFo->Head;
if (IsRawFiFoEmpty (TerminalDevice)) { if (IsRawFiFoEmpty (TerminalDevice)) {
// //
@ -790,9 +790,9 @@ RawFiFoRemoveOneKey (
return FALSE; return FALSE;
} }
*Output = TerminalDevice->RawFiFo.Data[Head]; *Output = TerminalDevice->RawFiFo->Data[Head];
TerminalDevice->RawFiFo.Head = (UINT8) ((Head + 1) % (RAW_FIFO_MAX_NUMBER + 1)); TerminalDevice->RawFiFo->Head = (UINT8) ((Head + 1) % (RAW_FIFO_MAX_NUMBER + 1));
return TRUE; return TRUE;
} }
@ -811,7 +811,7 @@ IsRawFiFoEmpty (
TERMINAL_DEV *TerminalDevice TERMINAL_DEV *TerminalDevice
) )
{ {
if (TerminalDevice->RawFiFo.Head == TerminalDevice->RawFiFo.Tail) { if (TerminalDevice->RawFiFo->Head == TerminalDevice->RawFiFo->Tail) {
return TRUE; return TRUE;
} else { } else {
return FALSE; return FALSE;
@ -835,8 +835,8 @@ IsRawFiFoFull (
UINT8 Tail; UINT8 Tail;
UINT8 Head; UINT8 Head;
Tail = TerminalDevice->RawFiFo.Tail; Tail = TerminalDevice->RawFiFo->Tail;
Head = TerminalDevice->RawFiFo.Head; Head = TerminalDevice->RawFiFo->Head;
if (((Tail + 1) % (RAW_FIFO_MAX_NUMBER + 1)) == Head) { if (((Tail + 1) % (RAW_FIFO_MAX_NUMBER + 1)) == Head) {
@ -865,7 +865,7 @@ EfiKeyFiFoInsertOneKey (
{ {
UINT8 Tail; UINT8 Tail;
Tail = TerminalDevice->EfiKeyFiFo.Tail; Tail = TerminalDevice->EfiKeyFiFo->Tail;
if (IsEfiKeyFiFoFull (TerminalDevice)) { if (IsEfiKeyFiFoFull (TerminalDevice)) {
// //
@ -874,9 +874,9 @@ EfiKeyFiFoInsertOneKey (
return FALSE; return FALSE;
} }
TerminalDevice->EfiKeyFiFo.Data[Tail] = Key; TerminalDevice->EfiKeyFiFo->Data[Tail] = Key;
TerminalDevice->EfiKeyFiFo.Tail = (UINT8) ((Tail + 1) % (FIFO_MAX_NUMBER + 1)); TerminalDevice->EfiKeyFiFo->Tail = (UINT8) ((Tail + 1) % (FIFO_MAX_NUMBER + 1));
return TRUE; return TRUE;
} }
@ -899,7 +899,7 @@ EfiKeyFiFoRemoveOneKey (
{ {
UINT8 Head; UINT8 Head;
Head = TerminalDevice->EfiKeyFiFo.Head; Head = TerminalDevice->EfiKeyFiFo->Head;
if (IsEfiKeyFiFoEmpty (TerminalDevice)) { if (IsEfiKeyFiFoEmpty (TerminalDevice)) {
// //
@ -910,9 +910,9 @@ EfiKeyFiFoRemoveOneKey (
return FALSE; return FALSE;
} }
*Output = TerminalDevice->EfiKeyFiFo.Data[Head]; *Output = TerminalDevice->EfiKeyFiFo->Data[Head];
TerminalDevice->EfiKeyFiFo.Head = (UINT8) ((Head + 1) % (FIFO_MAX_NUMBER + 1)); TerminalDevice->EfiKeyFiFo->Head = (UINT8) ((Head + 1) % (FIFO_MAX_NUMBER + 1));
return TRUE; return TRUE;
} }
@ -931,7 +931,7 @@ IsEfiKeyFiFoEmpty (
TERMINAL_DEV *TerminalDevice TERMINAL_DEV *TerminalDevice
) )
{ {
if (TerminalDevice->EfiKeyFiFo.Head == TerminalDevice->EfiKeyFiFo.Tail) { if (TerminalDevice->EfiKeyFiFo->Head == TerminalDevice->EfiKeyFiFo->Tail) {
return TRUE; return TRUE;
} else { } else {
return FALSE; return FALSE;
@ -955,8 +955,8 @@ IsEfiKeyFiFoFull (
UINT8 Tail; UINT8 Tail;
UINT8 Head; UINT8 Head;
Tail = TerminalDevice->EfiKeyFiFo.Tail; Tail = TerminalDevice->EfiKeyFiFo->Tail;
Head = TerminalDevice->EfiKeyFiFo.Head; Head = TerminalDevice->EfiKeyFiFo->Head;
if (((Tail + 1) % (FIFO_MAX_NUMBER + 1)) == Head) { if (((Tail + 1) % (FIFO_MAX_NUMBER + 1)) == Head) {
@ -985,7 +985,7 @@ UnicodeFiFoInsertOneKey (
{ {
UINT8 Tail; UINT8 Tail;
Tail = TerminalDevice->UnicodeFiFo.Tail; Tail = TerminalDevice->UnicodeFiFo->Tail;
if (IsUnicodeFiFoFull (TerminalDevice)) { if (IsUnicodeFiFoFull (TerminalDevice)) {
// //
@ -994,9 +994,9 @@ UnicodeFiFoInsertOneKey (
return FALSE; return FALSE;
} }
TerminalDevice->UnicodeFiFo.Data[Tail] = Input; TerminalDevice->UnicodeFiFo->Data[Tail] = Input;
TerminalDevice->UnicodeFiFo.Tail = (UINT8) ((Tail + 1) % (FIFO_MAX_NUMBER + 1)); TerminalDevice->UnicodeFiFo->Tail = (UINT8) ((Tail + 1) % (FIFO_MAX_NUMBER + 1));
return TRUE; return TRUE;
} }
@ -1019,7 +1019,7 @@ UnicodeFiFoRemoveOneKey (
{ {
UINT8 Head; UINT8 Head;
Head = TerminalDevice->UnicodeFiFo.Head; Head = TerminalDevice->UnicodeFiFo->Head;
if (IsUnicodeFiFoEmpty (TerminalDevice)) { if (IsUnicodeFiFoEmpty (TerminalDevice)) {
// //
@ -1029,9 +1029,9 @@ UnicodeFiFoRemoveOneKey (
return FALSE; return FALSE;
} }
*Output = TerminalDevice->UnicodeFiFo.Data[Head]; *Output = TerminalDevice->UnicodeFiFo->Data[Head];
TerminalDevice->UnicodeFiFo.Head = (UINT8) ((Head + 1) % (FIFO_MAX_NUMBER + 1)); TerminalDevice->UnicodeFiFo->Head = (UINT8) ((Head + 1) % (FIFO_MAX_NUMBER + 1));
return TRUE; return TRUE;
} }
@ -1050,7 +1050,7 @@ IsUnicodeFiFoEmpty (
TERMINAL_DEV *TerminalDevice TERMINAL_DEV *TerminalDevice
) )
{ {
if (TerminalDevice->UnicodeFiFo.Head == TerminalDevice->UnicodeFiFo.Tail) { if (TerminalDevice->UnicodeFiFo->Head == TerminalDevice->UnicodeFiFo->Tail) {
return TRUE; return TRUE;
} else { } else {
return FALSE; return FALSE;
@ -1074,8 +1074,8 @@ IsUnicodeFiFoFull (
UINT8 Tail; UINT8 Tail;
UINT8 Head; UINT8 Head;
Tail = TerminalDevice->UnicodeFiFo.Tail; Tail = TerminalDevice->UnicodeFiFo->Tail;
Head = TerminalDevice->UnicodeFiFo.Head; Head = TerminalDevice->UnicodeFiFo->Head;
if (((Tail + 1) % (FIFO_MAX_NUMBER + 1)) == Head) { if (((Tail + 1) % (FIFO_MAX_NUMBER + 1)) == Head) {
@ -1101,8 +1101,8 @@ UnicodeFiFoGetKeyCount (
UINT8 Tail; UINT8 Tail;
UINT8 Head; UINT8 Head;
Tail = TerminalDevice->UnicodeFiFo.Tail; Tail = TerminalDevice->UnicodeFiFo->Tail;
Head = TerminalDevice->UnicodeFiFo.Head; Head = TerminalDevice->UnicodeFiFo->Head;
if (Tail >= Head) { if (Tail >= Head) {
return (UINT8) (Tail - Head); return (UINT8) (Tail - Head);
@ -1113,7 +1113,7 @@ UnicodeFiFoGetKeyCount (
/** /**
Update the Unicode characters from a terminal input device into EFI Keys FIFO. 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 @param TerminalDevice The terminal device to use to translate raw input into EFI Keys
**/ **/
@ -1124,9 +1124,9 @@ UnicodeToEfiKeyFlushState (
{ {
EFI_INPUT_KEY Key; EFI_INPUT_KEY Key;
UINT32 InputState; UINT32 InputState;
InputState = TerminalDevice->InputState; InputState = TerminalDevice->InputState;
if ((InputState & INPUT_STATE_ESC) != 0) { if ((InputState & INPUT_STATE_ESC) != 0) {
Key.ScanCode = SCAN_ESC; Key.ScanCode = SCAN_ESC;
Key.UnicodeChar = 0; Key.UnicodeChar = 0;
@ -1172,8 +1172,8 @@ UnicodeToEfiKeyFlushState (
/** /**
Converts a stream of Unicode characters from a terminal input device into EFI Keys that Converts a stream of Unicode characters from a terminal input device into EFI Keys that
can be read through the Simple Input Protocol. can be read through the Simple Input Protocol.
The table below shows the keyboard input mappings that this function supports. 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 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 into the corresponding EFI Scan Code. If a matching sequence is not found, then the raw

28
MdeModulePkg/Universal/Console/TerminalDxe/Vtutf8.c
View File

@ -1,7 +1,7 @@
/** @file /** @file
Implementation of translation upon VT-UTF8. Implementation of translation upon VT-UTF8.
Copyright (c) 2006, Intel Corporation. <BR> Copyright (c) 2006 - 2009, Intel Corporation. <BR>
All rights reserved. This program and the accompanying materials All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License 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 which accompanies this distribution. The full text of the license may be found at
@ -15,7 +15,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include "Terminal.h" #include "Terminal.h"
/** /**
Translate all VT-UTF8 characters in the Raw FIFI into unicode characters, Translate all VT-UTF8 characters in the Raw FIFI into unicode characters,
and insert them into Unicode FIFO. and insert them into Unicode FIFO.
@param TerminalDevice The terminal device. @param TerminalDevice The terminal device.
@ -55,7 +55,7 @@ VTUTF8RawDataToUnicode (
@param Utf8Device The terminal device. @param Utf8Device The terminal device.
@param Utf8Char Returned valid VT-UTF8 characters set. @param Utf8Char Returned valid VT-UTF8 characters set.
@param ValidBytes The count of returned VT-VTF8 characters. @param ValidBytes The count of returned VT-VTF8 characters.
If ValidBytes is zero, no valid VT-UTF8 returned. If ValidBytes is zero, no valid VT-UTF8 returned.
**/ **/
@ -125,6 +125,9 @@ GetOneValidUtf8Char (
break; break;
case 2: case 2:
//
// two-byte utf8 char go on
//
if ((Temp & 0xc0) == 0x80) { if ((Temp & 0xc0) == 0x80) {
Utf8Char->Utf8_2[0] = Temp; Utf8Char->Utf8_2[0] = Temp;
@ -138,15 +141,20 @@ GetOneValidUtf8Char (
break; break;
case 3: case 3:
//
// three-byte utf8 char go on
//
if ((Temp & 0xc0) == 0x80) { if ((Temp & 0xc0) == 0x80) {
Utf8Char->Utf8_3[2 - Index] = Temp; Utf8Char->Utf8_3[2 - Index] = Temp;
Index++; Index++;
if (Index == 3) { if (Index > 2) {
FetchFlag = FALSE; FetchFlag = FALSE;
} }
} else { } else {
//
// reset *ValidBytes and Index to zero, let valid utf8 char search restart
//
*ValidBytes = 0; *ValidBytes = 0;
Index = 0; Index = 0;
} }
@ -164,7 +172,7 @@ GetOneValidUtf8Char (
return ; return ;
} }
/** /**
Translate VT-UTF8 characters into one Unicode character. Translate VT-UTF8 characters into one Unicode character.
UTF8 Encoding Table UTF8 Encoding Table
@ -176,7 +184,7 @@ GetOneValidUtf8Char (
@param Utf8Char VT-UTF8 character set needs translating. @param Utf8Char VT-UTF8 character set needs translating.
@param ValidBytes The count of valid VT-UTF8 characters. @param ValidBytes The count of valid VT-UTF8 characters.
@param UnicodeChar Returned unicode character. @param UnicodeChar Returned unicode character.
**/ **/
VOID VOID
@ -237,7 +245,7 @@ Utf8ToUnicode (
return ; return ;
} }
/** /**
Translate one Unicode character into VT-UTF8 characters. Translate one Unicode character into VT-UTF8 characters.
UTF8 Encoding Table UTF8 Encoding Table
@ -301,8 +309,8 @@ UnicodeToUtf8 (
Check if input string is valid VT-UTF8 string. Check if input string is valid VT-UTF8 string.
@param TerminalDevice The terminal device. @param TerminalDevice The terminal device.
@param WString The input string. @param WString The input string.
@retval EFI_SUCCESS If all input characters are valid. @retval EFI_SUCCESS If all input characters are valid.
**/ **/