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Enhance Shell 2.0 to not depend on keyboard driver implementation to fix the "CTRL+s" pause malfunction issue. 

Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Carsey Jaben <jaben.carsey@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15052 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Ruiyu Ni 2014-01-07 02:23:10 +00:00 committed by niruiyu
parent de4ebdcfcd
commit 31c2a2c7c0
2 changed files with 30 additions and 18 deletions
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41
ShellPkg/Application/Shell/ConsoleLogger.c
View File

@ -2,7 +2,7 @@
Provides interface to shell console logger.
Copyright (c) 2013 Hewlett-Packard Development Company, L.P.
Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2009 - 2013, 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
@ -819,22 +819,41 @@ ConsoleLoggerOutputString (
IN CHAR16 *WString
)
{
EFI_INPUT_KEY Key;
UINTN EventIndex;
CONSOLE_LOGGER_PRIVATE_DATA *ConsoleInfo;
EFI_STATUS Status;
EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *TxtInEx;
EFI_KEY_DATA KeyData;
UINTN EventIndex;
CONSOLE_LOGGER_PRIVATE_DATA *ConsoleInfo;
ConsoleInfo = CONSOLE_LOGGER_PRIVATE_DATA_FROM_THIS(This);
if (ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleOut) {
return (EFI_UNSUPPORTED);
}
ASSERT(ShellInfoObject.ConsoleInfo == ConsoleInfo);
if (ShellInfoObject.HaltOutput) {
//
// just get some key
//
gBS->WaitForEvent (1, &gST->ConIn->WaitForKey, &EventIndex);
gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);
ShellInfoObject.HaltOutput = FALSE;
Status = gBS->HandleProtocol (gST->ConsoleInHandle, &gEfiSimpleTextInputExProtocolGuid, (VOID **) &TxtInEx);
if (!EFI_ERROR (Status)) {
while (ShellInfoObject.HaltOutput) {
ShellInfoObject.HaltOutput = FALSE;
//
// just get some key
//
Status = gBS->WaitForEvent (1, &TxtInEx->WaitForKeyEx, &EventIndex);
ASSERT_EFI_ERROR (Status);
Status = TxtInEx->ReadKeyStrokeEx (TxtInEx, &KeyData);
ASSERT_EFI_ERROR (Status);
if ((KeyData.Key.UnicodeChar == L's') && (KeyData.Key.ScanCode == SCAN_NULL) &&
((KeyData.KeyState.KeyShiftState == (EFI_SHIFT_STATE_VALID | EFI_LEFT_CONTROL_PRESSED)) ||
(KeyData.KeyState.KeyShiftState == (EFI_SHIFT_STATE_VALID | EFI_RIGHT_CONTROL_PRESSED))
)
) {
ShellInfoObject.HaltOutput = TRUE;
}
}
}
if (!ShellInfoObject.ConsoleInfo->Enabled) {
return (EFI_DEVICE_ERROR);
} else if (ShellInfoObject.PageBreakEnabled) {

7
ShellPkg/Application/Shell/ShellProtocol.c
View File

@ -3297,7 +3297,6 @@ NotificationFunction(
IN EFI_KEY_DATA *KeyData
)
{
EFI_INPUT_KEY Key;
if ( ((KeyData->Key.UnicodeChar == L'c') &&
(KeyData->KeyState.KeyShiftState == (EFI_SHIFT_STATE_VALID|EFI_LEFT_CONTROL_PRESSED) || KeyData->KeyState.KeyShiftState == (EFI_SHIFT_STATE_VALID|EFI_RIGHT_CONTROL_PRESSED))) ||
(KeyData->Key.UnicodeChar == 3)
@ -3310,12 +3309,6 @@ NotificationFunction(
(KeyData->KeyState.KeyShiftState == (EFI_SHIFT_STATE_VALID|EFI_LEFT_CONTROL_PRESSED) || KeyData->KeyState.KeyShiftState == (EFI_SHIFT_STATE_VALID|EFI_RIGHT_CONTROL_PRESSED))
){
ShellInfoObject.HaltOutput = TRUE;
//
// Make sure that there are no pending keystrokes to pervent the pause.
//
gST->ConIn->Reset(gST->ConIn, FALSE);
while (gST->ConIn->ReadKeyStroke (gST->ConIn, &Key)==EFI_SUCCESS);
}
return (EFI_SUCCESS);
}