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

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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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7
ShellPkg/Application/Shell/ShellProtocol.c
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@ -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);
}