--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kernel/eka/common/arm/atomic_8_16_32_irq.h	Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,205 @@
+// Copyright (c) 2008-2009 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\common\arm\atomic_8_16_32_irq.h
+// 8, 16 and 32 bit kernel side atomic operations on V5 or V6 processors
+// These work by disabling interrupts
+// 
+//
+
+#include "atomic_ops.h"
+
+#if defined(__OP_LOAD__)
+#error Load operation not defined
+#elif defined(__OP_STORE__)
+#error Store operation not defined
+#elif defined(__OP_RMW1__)
+
+#if defined(__OP_SWP__)
+#define	__DO_PROCESSING__
+#elif defined(__OP_ADD__)
+#define	__DO_PROCESSING__	asm("add r1, r0, r1 ");
+#elif defined(__OP_AND__)
+#define	__DO_PROCESSING__	asm("and r1, r0, r1 ");
+#elif defined(__OP_IOR__)
+#define	__DO_PROCESSING__	asm("orr r1, r0, r1 ");
+#elif defined(__OP_XOR__)
+#define	__DO_PROCESSING__	asm("eor r1, r0, r1 ");
+#endif
+
+extern "C" EXPORT_C __NAKED__ __TYPE__ __fname__(__OPERATION__,rel,__DATA_SIZE__)(volatile TAny* /*a*/, __TYPE__ /*v*/)
+	{
+	// R0=a, R1=v
+	// return value in R0
+	// just fall through
+	}
+
+extern "C" EXPORT_C __NAKED__ __TYPE__ __fname__(__OPERATION__,rlx,__DATA_SIZE__)(volatile TAny* /*a*/, __TYPE__ /*v*/)
+	{
+	// R0=a, R1=v
+	// return value in R0
+	// just fall through
+	}
+
+extern "C" EXPORT_C __NAKED__ __TYPE__ __fname__(__OPERATION__,ord,__DATA_SIZE__)(volatile TAny* /*a*/, __TYPE__ /*v*/)
+	{
+	// R0=a, R1=v
+	// return value in R0
+	// just fall through
+	}
+
+extern "C" EXPORT_C __NAKED__ __TYPE__ __fname__(__OPERATION__,acq,__DATA_SIZE__)(volatile TAny* /*a*/, __TYPE__ /*v*/)
+	{
+	// R0=a, R1=v
+	// return value in R0
+	asm("mov r3, r0 ");
+	__DISABLE_INTERRUPTS__(r12,r2);
+	__LDR_INST__( ," r0, [r3] ");
+	__DO_PROCESSING__
+	__STR_INST__( ," r1, [r3] ");
+	__RESTORE_INTERRUPTS__(r12);
+	__JUMP(,lr);
+	}
+
+#undef __DO_PROCESSING__
+
+
+#elif defined(__OP_CAS__)
+extern "C" EXPORT_C __NAKED__ TBool __fname__(__OPERATION__,rel,__DATA_SIZE__)(volatile TAny* /*a*/, __TYPE__ * /*q*/, __TYPE__ /*v*/)
+	{
+	// R0=a, R1=q, R2=v
+	// return value in R0
+	// just fall through
+	}
+
+extern "C" EXPORT_C __NAKED__ TBool __fname__(__OPERATION__,rlx,__DATA_SIZE__)(volatile TAny* /*a*/, __TYPE__ * /*q*/, __TYPE__ /*v*/)
+	{
+	// R0=a, R1=q, R2=v
+	// return value in R0
+	// just fall through
+	}
+
+extern "C" EXPORT_C __NAKED__ TBool __fname__(__OPERATION__,ord,__DATA_SIZE__)(volatile TAny* /*a*/, __TYPE__ * /*q*/, __TYPE__ /*v*/)
+	{
+	// R0=a, R1=q, R2=v
+	// return value in R0
+	// just fall through
+	}
+
+extern "C" EXPORT_C __NAKED__ TBool __fname__(__OPERATION__,acq,__DATA_SIZE__)(volatile TAny* /*a*/, __TYPE__ * /*q*/, __TYPE__ /*v*/)
+	{
+	// R0=a, R1=q, R2=v
+	// return value in R0
+	asm("str r4, [sp, #-4]! ");
+	__LDR_INST__( ," r4, [r1] ");
+	__DISABLE_INTERRUPTS__(r12,r3);
+	__LDR_INST__( ," r3, [r0] ");
+	asm("cmp r3, r4 ");
+	__STR_INST__(eq," r2, [r0] ");
+	__RESTORE_INTERRUPTS__(r12);
+	__STR_INST__(ne," r3, [r1] ");
+	asm("ldr r4, [sp], #4 ");
+	asm("movne r0, #0 ");
+	asm("moveq r0, #1 ");
+	__JUMP(,lr);
+	}
+
+
+#elif defined(__OP_AXO__)
+extern "C" EXPORT_C __NAKED__ __TYPE__ __fname__(__OPERATION__,rel,__DATA_SIZE__)(volatile TAny* /*a*/, __TYPE__ /*u*/, __TYPE__ /*v*/)
+	{
+	// R0=a, R1=u, R2=v
+	// return value in R0
+	// just fall through
+	}
+
+extern "C" EXPORT_C __NAKED__ __TYPE__ __fname__(__OPERATION__,rlx,__DATA_SIZE__)(volatile TAny* /*a*/, __TYPE__ /*u*/, __TYPE__ /*v*/)
+	{
+	// R0=a, R1=u, R2=v
+	// return value in R0
+	// just fall through
+	}
+
+extern "C" EXPORT_C __NAKED__ __TYPE__ __fname__(__OPERATION__,ord,__DATA_SIZE__)(volatile TAny* /*a*/, __TYPE__ /*u*/, __TYPE__ /*v*/)
+	{
+	// R0=a, R1=u, R2=v
+	// return value in R0
+	// just fall through
+	}
+
+extern "C" EXPORT_C __NAKED__ __TYPE__ __fname__(__OPERATION__,acq,__DATA_SIZE__)(volatile TAny* /*a*/, __TYPE__ /*u*/, __TYPE__ /*v*/)
+	{
+	// R0=a, R1=u, R2=v
+	// return value in R0
+	asm("mov r3, r0 ");
+	__DISABLE_INTERRUPTS__(r12,r0);
+	__LDR_INST__( ," r0, [r3] ");
+	asm("and r1, r0, r1 ");
+	asm("eor r1, r1, r2 ");
+	__STR_INST__( ," r1, [r3] ");
+	__RESTORE_INTERRUPTS__(r12);
+	__JUMP(,lr);
+	}
+
+
+#elif defined(__OP_RMW3__)
+extern "C" EXPORT_C __NAKED__ __TYPE__ __fname__(__OPERATION__,rel,__DATA_SIZE__)(volatile TAny* /*a*/, __TYPE__ /*t*/, __TYPE__ /*u*/, __TYPE__ /*v*/)
+	{
+	// R0=a, R1=t, R2=u, R3=v
+	// return value in R0
+	// just fall through
+	}
+
+extern "C" EXPORT_C __NAKED__ __TYPE__ __fname__(__OPERATION__,rlx,__DATA_SIZE__)(volatile TAny* /*a*/, __TYPE__ /*t*/, __TYPE__ /*u*/, __TYPE__ /*v*/)
+	{
+	// R0=a, R1=t, R2=u, R3=v
+	// return value in R0
+	// just fall through
+	}
+
+extern "C" EXPORT_C __NAKED__ __TYPE__ __fname__(__OPERATION__,ord,__DATA_SIZE__)(volatile TAny* /*a*/, __TYPE__ /*t*/, __TYPE__ /*u*/, __TYPE__ /*v*/)
+	{
+	// R0=a, R1=t, R2=u, R3=v
+	// return value in R0
+	// just fall through
+	}
+
+extern "C" EXPORT_C __NAKED__ __TYPE__ __fname__(__OPERATION__,acq,__DATA_SIZE__)(volatile TAny* /*a*/, __TYPE__ /*t*/, __TYPE__ /*u*/, __TYPE__ /*v*/)
+	{
+	// R0=a, R1=t, R2=u, R3=v
+	// return value in R0
+	asm("mov r12, r0 ");
+	asm("str r4, [sp, #-4]! ");
+	__DISABLE_INTERRUPTS__(r4,r0);
+#if	defined(__OP_TAU__)
+	__LDR_INST__( ," r0, [r12] ");
+	asm("cmp r0, r1 ");
+	asm("addcs r1, r0, r2 ");
+	asm("addcc r1, r0, r3 ");
+#elif	defined(__OP_TAS__)
+	__LDRS_INST__( ," r0, [r12] ");
+	asm("cmp r0, r1 ");
+	asm("addge r1, r0, r2 ");
+	asm("addlt r1, r0, r3 ");
+#endif
+	__STR_INST__( ," r1, [r12] ");
+	__RESTORE_INTERRUPTS__(r4);
+	asm("ldr r4, [sp], #4 ");
+	__JUMP(,lr);
+	}
+
+
+#endif
+
+// Second inclusion undefines temporaries
+#include "atomic_ops.h"