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Enhance SetupBrowser to call ReadKeyStroke() before calling WaitForEvent(). This can handle the case when the UI is launched in lazy ConIn mode.

Browse Source 
Signed-off-by: Ruiyu Ni<ruiyu.ni@intel.com>
Reviewed-by: Eric Dong<eric.dong@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13942 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
niruiyu
2012-11-14 06:30:39 +00:00
parent 467cacbf77
commit 9cdadb7c94
2 changed files with 32 additions and 17 deletions
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13
MdeModulePkg/Universal/SetupBrowserDxe/InputHandler.c
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@ -1384,10 +1384,17 @@ WaitForKeyStroke (
{
EFI_STATUS Status;
do {
UiWaitForSingleEvent (gST->ConIn->WaitForKey, 0, 0);
while (TRUE) {
Status = gST->ConIn->ReadKeyStroke (gST->ConIn, Key);
} while (EFI_ERROR(Status));
if (!EFI_ERROR (Status)) {
break;
}
if (Status != EFI_NOT_READY) {
continue;
}
UiWaitForSingleEvent (gST->ConIn->WaitForKey, 0, 0);
}
return Status;
}