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Implement WaitKey without gnu-efi

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Lauri Kenttä
2023-11-20 19:31:25 +02:00
parent 57ce3ae33e
commit a908036ee8
1 changed files with 13 additions and 1 deletions
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src/util.c
+13 -1
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@@ -162,7 +162,19 @@ void RandomSeedAuto(void) {
EFI_STATUS WaitKey(UINT64 timeout_ms) { EFI_STATUS WaitKey(UINT64 timeout_ms) {
ST->ConIn->Reset(ST->ConIn, FALSE); ST->ConIn->Reset(ST->ConIn, FALSE);
const int ms_to_100ns = 10000; const int ms_to_100ns = 10000;
return WaitForSingleEvent(ST->ConIn->WaitForKey, timeout_ms * ms_to_100ns);
EFI_EVENT events[2] = {ST->ConIn->WaitForKey};
EFI_STATUS status = BS->CreateEvent(EVT_TIMER, 0, NULL, NULL, &events[1]);
if (!EFI_ERROR(status)) {
BS->SetTimer(events[1], TimerRelative, timeout_ms * ms_to_100ns);
UINTN index;
status = BS->WaitForEvent(2, events, &index);
BS->CloseEvent(events[1]);
if (!EFI_ERROR(status) && index == 1) {
status = EFI_TIMEOUT;
}
}
return status;
} }
EFI_INPUT_KEY ReadKey(UINT64 timeout_ms) { EFI_INPUT_KEY ReadKey(UINT64 timeout_ms) {