mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-04 13:23:26 +01:00
169 lines
4.6 KiB
C
169 lines
4.6 KiB
C
/*
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* AppleKeyFeeder.c
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*
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* Created by Jief on 25 May 2018.
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*
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*/
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#include <Library/BaseLib.h>
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#include <Library/UefiLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/UefiRuntimeServicesTableLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/DebugLib.h>
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#include <Library/PrintLib.h>
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#include <Library/MemLogLib.h>
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#include <IndustryStandard/AppleHid.h>
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#include <Protocol/AppleKeyMapDatabase.h>
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#include "AppleKeyMapUtils.h"
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#include "SimpleTextProxy.h"
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#include "SimpleTextExProxy.h"
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// DBG_TO: 0=no debug, 1=serial, 2=console 3=log
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// serial requires
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// [PcdsFixedAtBuild]
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// gEfiMdePkgTokenSpaceGuid.PcdDebugPropertyMask|0x07
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// gEfiMdePkgTokenSpaceGuid.PcdDebugPrintErrorLevel|0xFFFFFFFF
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// in package DSC file
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#ifdef CLOVER_DEBUG
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#define DBG_APPLEKEYFEEDER 2
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#endif
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#if DBG_APPLEKEYFEEDER == 3
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#define DBG(...) MemLog(FALSE, 0, __VA_ARGS__)
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#elif DBG_APPLEKEYFEEDER == 2
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#define DBG(...) AsciiPrint(__VA_ARGS__)
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#elif DBG_APPLEKEYFEEDER == 1
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#define DBG(...) DebugPrint(1, __VA_ARGS__)
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#else
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#define DBG(...)
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#endif
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EFI_EVENT eventReadKeystroke;
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EFI_SIMPLE_TEXT_INPUT_PROTOCOL AppleKeyFeederProxy;
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/*
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* Proxying ConIn seems to be the "right" way to go.
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* But if it's not : ReadKeyStroke will happen concurrently and you might lose some keystrokes in Clover.
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* In practice, AppleKeyFeeder read a key every 30ms.
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* On my MacPro/VMWare, ReadKeyStroke takes 1,5 micro-second, on a x222 : 2 micro-second, on a Dell D630 : 1 millisecond
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*/
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/****************************************************************
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* Entry point
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***************************************************************/
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/**
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* AppleKeyFeeder entry point. Installs gEfiSimpleTextInProtocolGuid.
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*/
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EFI_STATUS
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EFIAPI
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AppleKeyFeederEntrypoint (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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DBG("AppleKeyFeederEntrypoint\n");
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EFI_STATUS Status = EFI_SUCCESS;
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Status = AppleKeyMapUtilsInit(ImageHandle, SystemTable);
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if ( EFI_ERROR (Status) ) {
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DBG("AppleKeyFeederEntrypoint: AppleKeyMapUtilsInit failed, Status=%x\n", Status);
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}
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Status = SimpleTextProxyInit(ImageHandle, SystemTable);
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if ( EFI_ERROR (Status) ) {
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DBG("AppleKeyFeederEntrypoint: SimpleTextProxyInit failed, Status=%x\n", Status);
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}
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//
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// Setup an event for WaitForKey
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//
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EFI_EVENT_NOTIFY notifyFunction;
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if ( AppleKeyFeederSimpleTextExProxy.ReadKeyStrokeEx ) notifyFunction = WaitForKeyExEvent;
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else notifyFunction = WaitForKeyEvent;
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Status = gBS->CreateEvent (
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EVT_NOTIFY_WAIT,
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TPL_NOTIFY,
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notifyFunction,
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NULL,
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&AppleKeyFeederSimpleTextExProxy.WaitForKeyEx
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);
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if ( EFI_ERROR (Status) ) {
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DBG("SimpleTextProxyInit: CreateEvent AppleKeyFeederSimpleTextExProxy.WaitForKeyEx, Status=%x\n", Status);
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}
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Status = gBS->CreateEvent (
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EVT_NOTIFY_WAIT,
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TPL_NOTIFY,
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notifyFunction,
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NULL,
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&AppleKeyFeederSimpleTextProxy.WaitForKey
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);
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if ( EFI_ERROR (Status) ) {
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DBG("SimpleTextProxyInit: CreateEvent AppleKeyFeederSimpleTextProxy.WaitForKey, Status=%x\n", Status);
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}
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//
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// Setup a periodic timer, used for reading keystrokes at a fixed interval
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//
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if ( AppleKeyFeederSimpleTextExProxy.ReadKeyStrokeEx ) {
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Status = gBS->CreateEvent (
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EVT_TIMER | EVT_NOTIFY_SIGNAL,
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TPL_NOTIFY,
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SimpleTextExProxyBufferKeyStroke,
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NULL,
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&eventReadKeystroke
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);
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}else{
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Status = gBS->CreateEvent (
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EVT_TIMER | EVT_NOTIFY_SIGNAL,
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TPL_NOTIFY,
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SimpleTextProxyBufferKeyStroke,
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NULL,
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&eventReadKeystroke
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);
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}
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if ( EFI_ERROR (Status) ) {
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DBG("SimpleTextProxyInit: CreateEvent2 failed, Status=%x\n", Status);
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}
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Status = gBS->SetTimer (
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eventReadKeystroke,
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TimerPeriodic,
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10*1000*20 // 10*1000*1000 = 1s, so this 20ms
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);
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if (EFI_ERROR (Status)) {
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DBG("SimpleTextProxyInit: SetTimer2 failed, Status=%x\n", Status);
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}
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if ( AppleKeyFeederSimpleTextExProxy.ReadKeyStrokeEx ) {
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Status = gBS->InstallMultipleProtocolInterfaces (
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&ImageHandle,
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&gEfiSimpleTextInProtocolGuid,
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&AppleKeyFeederSimpleTextProxy,
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&gEfiSimpleTextInputExProtocolGuid,
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&AppleKeyFeederSimpleTextExProxy,
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NULL
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);
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}else{
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Status = gBS->InstallMultipleProtocolInterfaces (
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&ImageHandle,
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&gEfiSimpleTextInProtocolGuid,
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&AppleKeyFeederSimpleTextProxy,
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NULL
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);
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}
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if (EFI_ERROR (Status)) {
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DBG("SimpleTextProxyInit: InstallMultipleProtocol failed, Status=%x\n", Status);
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}
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DBG("AppleKeyFeederEntrypoint returns %x\n", Status);
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return Status;
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}
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