mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-11-27 12:15:19 +01:00
387 lines
8.7 KiB
C
387 lines
8.7 KiB
C
/*
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* AppleKeyMapUtils.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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// 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_GUID gAppleKeyMapDatabaseProtocolGuid = {0x584B9EBE, 0x80C1, 0x4BD6, {0x98, 0xB0, 0xA7, 0x78, 0x6E, 0xC2, 0xF2, 0xE2}};
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APPLE_KEY_MAP_DATABASE_PROTOCOL *AppleKeyMapDb = NULL;
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UINTN AppleKeyMapDbIndex = 0;
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static EFI_STATUS getAppleKeyMapDb()
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{
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EFI_STATUS Status = EFI_SUCCESS;
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Status = gBS->LocateProtocol (
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&gAppleKeyMapDatabaseProtocolGuid,
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NULL,
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(VOID **)&AppleKeyMapDb
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);
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if (!EFI_ERROR (Status))
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{
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Status = AppleKeyMapDb->CreateKeyStrokesBuffer (
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AppleKeyMapDb,
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6,
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&AppleKeyMapDbIndex
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);
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if (EFI_ERROR (Status)) {
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DBG("AppleKeyFeederEntrypoint: CreateKeyStrokesBuffer failed, Status=%x\n", Status);
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}
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}else{
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DBG("AppleKeyFeederEntrypoint: LocateProtocol failed, Status=%x\n", Status);
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}
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return Status;
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}
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static EFI_EVENT eventKeyRelease;
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static VOID
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EFIAPI
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SendKeyRelease (
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IN EFI_EVENT Event,
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IN VOID *Context
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)
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{
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EFI_STATUS Status;
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//DBG("SendKeyRelease\n");
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APPLE_KEY appleKey; // APPLE_KEY is UINT16
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Status = AppleKeyMapDb->SetKeyStrokeBufferKeys (
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AppleKeyMapDb,
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AppleKeyMapDbIndex,
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(APPLE_MODIFIER_MAP)0,
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0,
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&appleKey
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);
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if (EFI_ERROR (Status)) {
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DBG("SendKeyRelease: SetKeyStrokeBufferKeys failed, Status=%x\n", Status);
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}
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Status = gBS->SetTimer (
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eventKeyRelease,
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TimerCancel,
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10*1000
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);
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if (EFI_ERROR (Status)) {
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DBG("SendKeyRelease: SetTimer failed, Status=%x\n", Status);
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}
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}
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static int MapKeyData2AppleKey(EFI_KEY_DATA* KeyData, APPLE_KEY* pKey, UINT8* pCurModifierMap)
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{
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if ( KeyData->Key.UnicodeChar == 0 )
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{
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*pCurModifierMap = 0;
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switch (KeyData->Key.ScanCode) {
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case 0x01: // up arrow
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*pKey = 0x7052;
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return 1;
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case 0x02: // down arrow
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*pKey = 0x7051;
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return 1;
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case 0x03: // left arrow
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*pKey = 0x7050;
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return 1;
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case 0x04: // right arrow
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*pKey = 0x704F;
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return 1;
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}
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return 0;
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}
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if ( KeyData->Key.UnicodeChar >= 'a' && KeyData->Key.UnicodeChar <= 'z' ) {
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*pKey = 0x7004 + ( KeyData->Key.UnicodeChar - 'a');
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*pCurModifierMap = 0;
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return 1;
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}
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if ( KeyData->Key.UnicodeChar >= 'A' && KeyData->Key.UnicodeChar <= 'Z' ) {
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*pKey = 0x7004 + ( KeyData->Key.UnicodeChar - 'A');
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*pCurModifierMap = 2;
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return 1;
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}
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if ( KeyData->Key.UnicodeChar == '0' ) { // Could have put that in the switch, but wanted to make very clear that the 0 wasn't forgotten and that this : "KeyData->Key.UnicodeChar >= '1'" (instead of '0') is not a mistake !!!
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*pKey = 0x7027;
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return 1;
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}
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if ( KeyData->Key.UnicodeChar >= '1' && KeyData->Key.UnicodeChar <= '9' ) {
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*pKey = 0x701E + ( KeyData->Key.UnicodeChar - '1');
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return 1;
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}
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*pCurModifierMap = 0;
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switch (KeyData->Key.UnicodeChar) {
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case 0x01: // up arrow
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*pKey = 0x7052;
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return 1;
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case 0x02: // down arrow
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*pKey = 0x7051;
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return 1;
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case 0x03: // left arrow
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*pKey = 0x7050;
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return 1;
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case 0x04: // right arrow
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*pKey = 0x704F;
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return 1;
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case 0x08: // backspace
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*pKey = 0x702A;
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return 1;
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case 0x0D: // return
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*pKey = 0x7028;
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return 1;
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case ' ': // return
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*pKey = 0x702C;
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return 1;
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case '!': // return
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*pKey = 0x701E;
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*pCurModifierMap = 2;
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return 1;
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case '"': // return
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*pKey = 0x7034;
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*pCurModifierMap = 2;
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return 1;
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case '#': // return
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*pKey = 0x7020;
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*pCurModifierMap = 2;
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return 1;
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case '$': // return
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*pKey = 0x7021;
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*pCurModifierMap = 2;
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return 1;
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case '%': // return
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*pKey = 0x7022;
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*pCurModifierMap = 2;
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return 1;
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case '&': // return
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*pKey = 0x7024;
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*pCurModifierMap = 2;
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return 1;
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case '\'': // return
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*pKey = 0x7034;
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return 1;
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case '(': // return
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*pKey = 0x7026;
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*pCurModifierMap = 2;
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return 1;
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case ')': // return
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*pKey = 0x7027;
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*pCurModifierMap = 2;
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return 1;
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case '*': // return
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*pKey = 0x7025;
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*pCurModifierMap = 2;
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return 1;
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case '+': // return
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*pKey = 0x702E;
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*pCurModifierMap = 2;
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return 1;
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case ',': // return
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*pKey = 0x7036;
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return 1;
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case '-': // return
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*pKey = 0x702D;
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return 1;
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case '.': // return
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*pKey = 0x7037;
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return 1;
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case '/': // return
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*pKey = 0x7038;
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return 1;
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case ':': // return
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*pKey = 0x7033;
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*pCurModifierMap = 2;
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return 1;
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case ';': // return
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*pKey = 0x7033;
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return 1;
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case '<': // return
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*pKey = 0x7036;
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*pCurModifierMap = 2;
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return 1;
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case '=': // return
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*pKey = 0x702E;
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return 1;
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case '>': // return
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*pKey = 0x7037;
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*pCurModifierMap = 2;
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return 1;
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case '?': // return
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*pKey = 0x7038;
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*pCurModifierMap = 2;
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return 1;
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case '@': // return
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*pKey = 0x701F;
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*pCurModifierMap = 2;
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return 1;
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case '[': // return
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*pKey = 0x702F;
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return 1;
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case '\\': // return
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*pKey = 0x7031;
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return 1;
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case ']': // return
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*pKey = 0x7030;
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return 1;
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case '^': // return
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*pKey = 0x7023;
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*pCurModifierMap = 2;
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return 1;
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case '_': // return
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*pKey = 0x702D;
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*pCurModifierMap = 2;
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return 1;
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case '`': // return
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*pKey = 0x7035;
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return 1;
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case '{': // return
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*pKey = 0x702F;
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*pCurModifierMap = 2;
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return 1;
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case '|': // return
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*pKey = 0x7031;
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*pCurModifierMap = 2;
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return 1;
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case '}': // return
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*pKey = 0x7030;
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*pCurModifierMap = 2;
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return 1;
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case '~': // return
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*pKey = 0x7035;
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*pCurModifierMap = 2;
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return 1;
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}
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return 0;
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}
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EFI_STATUS
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EFIAPI
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SendDataToAppleMap(IN EFI_KEY_DATA *KeyData)
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{
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//DBG("SendDataToAppleMap ScanCode=%x, Uchar=%x, ShiftState=%x, ToogleState=%x\n", KeyData->Key.ScanCode, KeyData->Key.UnicodeChar, KeyData->KeyState.KeyShiftState, KeyData->KeyState.KeyToggleState);
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EFI_STATUS Status;
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UINT8 CurModifierMap = 0;
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UINTN NumberOfKeys = 1;
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APPLE_KEY appleKey; // APPLE_KEY is UINT16
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if ( !AppleKeyMapDb ) {
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Status = getAppleKeyMapDb();
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if (EFI_ERROR (Status)) {
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DBG("SendDataToAppleMap: getAppleKeyMapDb() failed, Status=%x\n", Status);
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}
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}
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if ( !AppleKeyMapDb ) {
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DBG("SendDataToAppleMap: AppleKeyMapDb==NULL, Status=%x\n", EFI_NOT_FOUND);
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return EFI_NOT_FOUND;
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}
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if ( MapKeyData2AppleKey(KeyData, &appleKey, &CurModifierMap) )
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{
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Status = AppleKeyMapDb->SetKeyStrokeBufferKeys (
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AppleKeyMapDb,
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AppleKeyMapDbIndex,
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(APPLE_MODIFIER_MAP)CurModifierMap,
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NumberOfKeys,
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&appleKey
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);
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if (EFI_ERROR (Status)) {
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DBG("SendDataToAppleMap: SetKeyStrokeBufferKeys failed, Status=%x\n", Status);
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return Status;
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}
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Status = gBS->SetTimer (
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eventKeyRelease,
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TimerPeriodic,
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10*1000*15 // 15 ms
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);
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if (EFI_ERROR (Status)) {
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// if this fail, we end up having the key repeated.
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DBG("SendDataToAppleMap: SetTimer failed, Status=%x\n", Status);
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return Status;
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}
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return Status;
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}
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DBG("SendDataToAppleMap: key not mapped, sorry\n");
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return EFI_NOT_FOUND;
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}
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/****************************************************************
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* Entry point
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***************************************************************/
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EFI_STATUS
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EFIAPI
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AppleKeyMapUtilsInit (
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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("AppleKeyMapUtilsInit\n");
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EFI_STATUS Status = EFI_SUCCESS;
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//
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// Setup a periodic timer, used for send a key release to apple key map
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//
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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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SendKeyRelease,
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NULL,
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&eventKeyRelease
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);
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if ( EFI_ERROR (Status) ) {
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DBG("AppleKeyMapUtilsInit: CreateEvent failed, Status=%x\n", Status);
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}
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DBG("AppleKeyMapUtilsInit returns %x\n", Status);
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return Status;
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}
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