--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kernel/eka/include/nkern/x86/nk_plat.h	Thu Dec 17 09:24:54 2009 +0200
@@ -0,0 +1,101 @@
+// Copyright (c) 1998-2009 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\include\nkern\x86\nk_plat.h
+// 
+// WARNING: This file contains some APIs which are internal and are subject
+//          to change without notice. Such APIs should therefore not be used
+//          outside the Kernel and Hardware Services package.
+//
+
+/**
+ @file
+ @internalComponent
+*/
+
+#ifndef __NK_X86_H__
+#define __NK_X86_H__
+#include <nk_cpu.h>
+
+#define IRQ_STACK_SIZE	1024
+
+//#define __SCHEDULER_MACHINE_CODED__
+//#define __DFC_MACHINE_CODED__
+//#define __MSTIM_MACHINE_CODED__
+//#define __PRI_LIST_MACHINE_CODED__
+//#define __FAST_SEM_MACHINE_CODED__
+//#define __FAST_MUTEX_MACHINE_CODED__
+
+// TScheduler member data
+#define	i_ExcInfo			iExtras[15]		// pointer to exception info for crash debugger
+
+class TX86RegSet;
+class NThread : public NThreadBase
+	{
+public:
+	TInt Create(SNThreadCreateInfo& anInfo, TBool aInitial);
+	inline void Stillborn()
+		{}
+	void GetUserContext(TX86RegSet& aContext);
+	void ModifyUsp(TLinAddr aUsp);
+public:
+	TUint32	i_NThread_Pad1;
+	TUint64	iCoprocessorState[64];	// state of FPU, SSE, SSE2
+	};
+
+__ASSERT_COMPILE(!(_FOFF(NThread,iCoprocessorState)&7));
+
+// Positions of registers on stack, relative to saved SP
+struct SThreadStack
+	{
+	TUint32 iCR0;
+	TUint32 iEbx;
+	TUint32 iEsi;
+	TUint32 iEdi;
+	TUint32 iEbp;
+	TUint32 iGs;
+	TUint32 iFs;
+	TUint32 iReschedFlag;
+	TUint32 iEip;
+	};
+
+extern "C" {
+GLREF_D TUint32 X86_IrqStack[IRQ_STACK_SIZE/4];
+GLREF_D TLinAddr X86_IrqHandler;
+GLREF_D TInt X86_IrqNestCount;
+GLREF_D SCpuIdleHandler CpuIdleHandler;
+GLREF_D TBool X86_UseGlobalPTEs;
+GLREF_D TUint64 DefaultCoprocessorState[64];
+}
+
+
+/** Ensure the ordering of explicit memory writes
+
+	On x86 this is a no-op
+*/
+#define	wmb()
+#define smp_wmb()
+
+/** Ensure the ordering of explicit memory accesses
+
+	On x86 any instruction with the LOCK prefix does this
+*/
+#ifdef __GCC32__
+#define	mb()	__asm__ __volatile__("lock add dword ptr [esp], 0" : : : "memory")
+#else
+#define	mb()	do { _asm lock add dword ptr [esp], 0 } while (0)
+#endif
+#define smp_mb()
+
+// End of file
+#endif