mirror of https://github.com/acidanthera/audk.git
80 lines
3.4 KiB
C
80 lines
3.4 KiB
C
/** @file
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Implementation of Application Register reading functions on Itanium platform.
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Copyright (c) 2008, Intel Corporation<BR>
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include "BaseLibInternals.h"
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//
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// Loop up table for Index and corresponding application register access routines.
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//
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GLOBAL_REMOVE_IF_UNREFERENCED REGISTER_ENTRY mApplicationRegisterAccessEntries[] = {
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{IPF_APPLICATION_REGISTER_K0, AsmReadApplicationRegisterK0},
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{IPF_APPLICATION_REGISTER_K1, AsmReadApplicationRegisterK1},
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{IPF_APPLICATION_REGISTER_K2, AsmReadApplicationRegisterK2},
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{IPF_APPLICATION_REGISTER_K3, AsmReadApplicationRegisterK3},
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{IPF_APPLICATION_REGISTER_K4, AsmReadApplicationRegisterK4},
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{IPF_APPLICATION_REGISTER_K5, AsmReadApplicationRegisterK5},
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{IPF_APPLICATION_REGISTER_K6, AsmReadApplicationRegisterK6},
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{IPF_APPLICATION_REGISTER_K7, AsmReadApplicationRegisterK7},
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{IPF_APPLICATION_REGISTER_RSC, AsmReadApplicationRegisterRsc},
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{IPF_APPLICATION_REGISTER_BSP, AsmReadApplicationRegisterBsp},
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{IPF_APPLICATION_REGISTER_BSPSTORE, AsmReadApplicationRegisterBspstore},
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{IPF_APPLICATION_REGISTER_RNAT, AsmReadApplicationRegisterRnat},
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{IPF_APPLICATION_REGISTER_FCR, AsmReadApplicationRegisterFcr},
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{IPF_APPLICATION_REGISTER_EFLAG, AsmReadApplicationRegisterEflag},
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{IPF_APPLICATION_REGISTER_CSD, AsmReadApplicationRegisterCsd},
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{IPF_APPLICATION_REGISTER_SSD, AsmReadApplicationRegisterSsd},
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{IPF_APPLICATION_REGISTER_CFLG, AsmReadApplicationRegisterCflg},
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{IPF_APPLICATION_REGISTER_FSR, AsmReadApplicationRegisterFsr},
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{IPF_APPLICATION_REGISTER_FIR, AsmReadApplicationRegisterFir},
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{IPF_APPLICATION_REGISTER_FDR, AsmReadApplicationRegisterFdr},
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{IPF_APPLICATION_REGISTER_CCV, AsmReadApplicationRegisterCcv},
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{IPF_APPLICATION_REGISTER_UNAT, AsmReadApplicationRegisterUnat},
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{IPF_APPLICATION_REGISTER_FPSR, AsmReadApplicationRegisterFpsr},
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{IPF_APPLICATION_REGISTER_ITC, AsmReadApplicationRegisterItc},
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{IPF_APPLICATION_REGISTER_PFS, AsmReadApplicationRegisterPfs},
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{IPF_APPLICATION_REGISTER_LC, AsmReadApplicationRegisterLc},
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{IPF_APPLICATION_REGISTER_EC, AsmReadApplicationRegisterEc}
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};
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/**
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Reads a 64-bit application register.
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Reads and returns the application register specified by Index. The valid Index valued are defined
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above in "Related Definitions".
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If Index is invalid then 0xFFFFFFFFFFFFFFFF is returned. This function is only available on IPF.
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@param Index The index of the application register to read.
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@return The application register specified by Index.
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**/
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UINT64
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EFIAPI
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AsmReadApplicationRegister (
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IN UINT64 Index
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)
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{
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UINTN Item;
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for (Item = 0; Item < sizeof (mApplicationRegisterAccessEntries) / sizeof (mApplicationRegisterAccessEntries[0]); Item++) {
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if (mApplicationRegisterAccessEntries[Item].Index == Index) {
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return mApplicationRegisterAccessEntries[Item].Function ();
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}
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}
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return 0xFFFFFFFFFFFFFFFF;
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}
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