mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-18 15:27:48 +01:00
01f33f7552
stylish change: remove space between func and brace Signed-off-by: SergeySlice <sergey.slice@gmail.com>
88 lines
2.7 KiB
C
88 lines
2.7 KiB
C
/** @file
|
|
Timer booster
|
|
|
|
Copyright (c) 2018, vit9696. 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
|
|
http://opensource.org/licenses/bsd-license.php
|
|
|
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|
|
|
**/
|
|
|
|
#include "AIT.h"
|
|
|
|
#include <Library/DebugLib.h>
|
|
#include <Library/UefiBootServicesTableLib.h>
|
|
#include <Protocol/Timer.h>
|
|
|
|
STATIC UINTN mOriginalTimerPeriod;
|
|
STATIC EFI_TIMER_ARCH_PROTOCOL *mTimerProtocol;
|
|
|
|
EFI_STATUS
|
|
AITInit (
|
|
VOID
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
//
|
|
// Refresh rate needs to be increased to poll mouse and keyboard frequently enough
|
|
//
|
|
Status = gBS->LocateProtocol (&gEfiTimerArchProtocolGuid, NULL, (VOID **)&mTimerProtocol);
|
|
if (!EFI_ERROR(Status)) {
|
|
Status = mTimerProtocol->GetTimerPeriod (mTimerProtocol, &mOriginalTimerPeriod);
|
|
if (!EFI_ERROR(Status)) {
|
|
DEBUG ((DEBUG_INFO, "AIFTimerBoostInit Current timer is %u\n", mOriginalTimerPeriod));
|
|
if (mOriginalTimerPeriod > AIT_TIMER_PERIOD) {
|
|
Status = mTimerProtocol->SetTimerPeriod (mTimerProtocol, AIT_TIMER_PERIOD);
|
|
if (!EFI_ERROR(Status)) {
|
|
DEBUG ((DEBUG_INFO, "AIFTimerBoostInit changed period %d to %d\n",
|
|
mOriginalTimerPeriod, AIT_TIMER_PERIOD));
|
|
} else {
|
|
DEBUG ((DEBUG_INFO, "AIFTimerBoostInit failed to change period %d to %d, error - %r\n",
|
|
mOriginalTimerPeriod, AIT_TIMER_PERIOD, Status));
|
|
mTimerProtocol = NULL;
|
|
}
|
|
} else {
|
|
mTimerProtocol = NULL;
|
|
}
|
|
} else {
|
|
DEBUG ((DEBUG_INFO, "AIFTimerBoostInit failed to obtain previous period - %r\n", Status));
|
|
}
|
|
} else {
|
|
DEBUG ((DEBUG_INFO, "AIFTimerBoostInit gEfiTimerArchProtocolGuid not found - %r\n", Status));
|
|
}
|
|
|
|
return Status;
|
|
}
|
|
|
|
EFI_STATUS
|
|
AITExit (
|
|
VOID
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
|
|
Status = EFI_SUCCESS;
|
|
|
|
if (mTimerProtocol != NULL) {
|
|
//
|
|
// You are not allowed to call this on APTIO IV, as it results in an interrupt with 0x0 pointer
|
|
// handler during XNU boot.
|
|
//
|
|
// Status = mTimerProtocol->SetTimerPeriod (mTimerProtocol, mOriginalTimerPeriod);
|
|
// if (!EFI_ERROR(Status)) {
|
|
// DEBUG ((DEBUG_INFO, "AmiShimTimerBoostExit changed period %d to %d\n",
|
|
// AIT_TIMER_PERIOD, mOriginalTimerPeriod));
|
|
// } else {
|
|
// DEBUG ((DEBUG_INFO, "AmiShimTimerBoostExit failed to change period %d to %d, error - %r\n",
|
|
// AIT_TIMER_PERIOD, mOriginalTimerPeriod, Status));
|
|
// }
|
|
mTimerProtocol = NULL;
|
|
}
|
|
|
|
return Status;
|
|
}
|