We need a way to pass flags to rombuilds in Raptor via extension flm interfaces, so that the CPP pass
of the rom input files can be informed what toolchain we are building with and conditionally
include or exclude files depending on whether the toolchain could build them.
// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
// All rights reserved.
// This component and the accompanying materials are made available
// under the terms of the License "Eclipse Public License v1.0"
// which accompanies this distribution, and is available
// at the URL "http://www.eclipse.org/legal/epl-v10.html".
//
// Initial Contributors:
// Nokia Corporation - initial contribution.
//
// Contributors:
//
// Description:
// e32\nkern\x86\ncthrd.cia
//
//
#include <x86.h>
const TLinAddr NKern_Exit = (TLinAddr)NKern::Exit;
const TLinAddr NKern_Lock = (TLinAddr)NKern::Lock;
// Called by a thread when it first runs
__NAKED__ void __StartThread()
{
// On entry edi=entry point, esi=parameter block
asm("sti");
asm("mov ax, ss");
asm("mov ds, ax");
asm("mov es, ax");
asm("push esi");
asm("call edi");
asm("add esp, 4");
asm("call %a0" : : "i"(NKern_Exit));
}
// Called by a thread which has been forced to exit
// Interrupts off here, kernel unlocked
__NAKED__ void __DoForcedExit()
{
asm("sti");
asm("call %a0" : : "i"(NKern_Lock));
asm("mov ecx, [%a0]" : : "i"(&TheScheduler.iCurrentThread));
asm("mov dword ptr [ecx+%0], 0" : : "i"_FOFF(NThreadBase,iCsCount));
#ifdef __GCC32__
asm("push ecx");
asm("call __ZN11NThreadBase4ExitEv");
asm("pop ecx");
#else
TheScheduler.iCurrentThread->Exit();
#endif
}
__NAKED__ TUint32 X86::GetCR0()
{
asm("mov eax, cr0");
asm("ret");
}
__NAKED__ void X86::SetCR0(TUint32)
{
asm("mov eax, [esp+4]");
asm("mov cr0, eax");
asm("ret");
}
__NAKED__ TUint32 X86::ModifyCR0(TUint32 /*clear*/, TUint32 /*set*/)
{
asm("mov ecx, [esp+4]");
asm("mov edx, [esp+8]");
asm("mov eax, cr0");
asm("not ecx");
asm("and ecx, eax");
asm("or ecx, edx");
asm("mov cr0, ecx");
asm("ret");
}