tyler.durden
/
audk
mirror of https://github.com/acidanthera/audk.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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

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@13945 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
niruiyu 2012-11-15 06:31:25 +00:00
parent 22921b02ab
commit f04544be83
1 changed files with 15 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
MdePkg/Library/UefiLib/Console.c
View File

@ -406,6 +406,7 @@ CreatePopUp (
...
)
{
EFI_STATUS Status;
VA_LIST Args;
EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *ConOut;
EFI_SIMPLE_TEXT_OUTPUT_MODE SavedConsoleMode;
@ -554,7 +555,19 @@ CreatePopUp (
// Wait for a keystroke
//
if (Key != NULL) {
gBS->WaitForEvent (1, &gST->ConIn->WaitForKey, &EventIndex);
gST->ConIn->ReadKeyStroke (gST->ConIn, Key);
while (TRUE) {
Status = gST->ConIn->ReadKeyStroke (gST->ConIn, Key);
if (!EFI_ERROR (Status)) {
break;
}
//
// If we encounter error, continue to read another key in.
//
if (Status != EFI_NOT_READY) {
continue;
}
gBS->WaitForEvent (1, &gST->ConIn->WaitForKey, &EventIndex);
}
}
}