1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of the License "ARM EABI LICENCE.txt"

     5 // which accompanies this distribution, and is available

     6 // in kernel/eka/compsupp.

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // This file is part of drtrvct.dll and drtrvct_vfpv2.dll.

    15 // 

    16 //

    17 

    18 #include <e32std.h>

    19 

    20 

    21 extern "C" {

    22   

    23 // TODO: Can this be removed?

    24 EXPORT_C  void _fp_init() 

    25     {

    26     }

    27   

    28 // TODO: Is this ever used?

    29 EXPORT_C TAny * __rt_fp_status_addr() 

    30     { 

    31     TAny* aTls = Dll::Tls();

    32 

    33     if (aTls)

    34         return aTls;

    35 

    36     // If this is the first time we are called we need to set up some TLS for

    37     // the FP status word.

    38 

    39     TUint32* aReg = (TUint32*)User::AllocZ(sizeof(TUint32));

    40 

    41     _LIT(KFpGeneralPanic, "FP Emulator");

    42 

    43     if (aReg) 

    44         {

    45         TInt r = Dll::SetTls(aReg);

    46         if (r==KErrNone)

    47             return aReg;

    48 

    49         // if we get here we really in trouble. Just Panic.

    50         User::Panic(KFpGeneralPanic, KErrGeneral);

    51         }

    52     else

    53         {

    54         // If we get here, we're toast anyway....

    55         User::Panic(KFpGeneralPanic, KErrNoMemory);

    56         }

    57 

    58     return 0;

    59     }

    60 

    61 }