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// Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of the License "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// e32\include\u32exec.h
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//
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// WARNING: This file contains some APIs which are internal and are subject
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// to change without notice. Such APIs should therefore not be used
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// outside the Kernel and Hardware Services package.
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//
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/**
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@file
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@internalComponent
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*/
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#ifndef __U32EXEC_H__
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#define __U32EXEC_H__
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#include <u32std.h>
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#include <cpudefs.h>
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#ifdef __KERNEL_MODE__
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#define EXEC_INT64 Int64
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#define EXEC_TIME TTimeK
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#else
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#define EXEC_INT64 TInt64
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#define EXEC_TIME TInt64
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#endif
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//#ifdef __SYMC__
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//#define __EXECDECL__
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//#else
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#define __EXECDECL__ __NAKED__
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//#endif
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#if defined(__WINS__)
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// Executive call macros for WINS
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#define EXECUTIVE_FAST 0x00800000
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#define EXECUTIVE_SLOW 0x00000000
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#define __DISPATCH(func) \
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__asm lea edx, [esp + 0x4] \
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__asm mov ecx, (func) \
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__asm jmp [TheDispatcher]
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#define FAST_EXEC0(n) __DISPATCH((n)|EXECUTIVE_FAST)
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#define FAST_EXEC1(n) __DISPATCH((n)|EXECUTIVE_FAST)
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#define SLOW_EXEC0(n) __DISPATCH((n)|EXECUTIVE_SLOW)
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#define SLOW_EXEC1(n) __DISPATCH((n)|EXECUTIVE_SLOW)
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#define SLOW_EXEC2(n) __DISPATCH((n)|EXECUTIVE_SLOW)
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#define SLOW_EXEC3(n) __DISPATCH((n)|EXECUTIVE_SLOW)
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#define SLOW_EXEC4(n) __DISPATCH((n)|EXECUTIVE_SLOW)
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#define KFAST_EXEC0(n) __DISPATCH((n)|EXECUTIVE_FAST)
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#define KFAST_EXEC1(n) __DISPATCH((n)|EXECUTIVE_FAST)
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#define KSLOW_EXEC0(n) __DISPATCH((n)|EXECUTIVE_SLOW)
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#define KSLOW_EXEC1(n) __DISPATCH((n)|EXECUTIVE_SLOW)
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#define KSLOW_EXEC2(n) __DISPATCH((n)|EXECUTIVE_SLOW)
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#define KSLOW_EXEC3(n) __DISPATCH((n)|EXECUTIVE_SLOW)
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#define KSLOW_EXEC4(n) __DISPATCH((n)|EXECUTIVE_SLOW)
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#elif defined(__CPU_X86)
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// Executive call macros for X86
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#ifdef __GCC32__
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#define FAST_EXEC0(n) asm("mov eax, %0": :"i"(n)); \
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asm("int 0x20 \n ret")
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#define FAST_EXEC1(n) asm("mov eax, %0": :"i"(n)); \
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asm("mov ecx, [esp+4] \n int 0x20 \n ret")
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#define SLOW_EXEC0(n) asm("mov eax, %0": :"i"(n)); \
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asm("int 0x21 \n ret")
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#define SLOW_EXEC1(n) asm("mov eax, %0": :"i"(n)); \
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asm("mov ecx, [esp+4] \n int 0x21 \n ret")
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#define SLOW_EXEC2(n) asm("mov eax, %0": :"i"(n)); \
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asm("mov ecx, [esp+4] \n mov edx, [esp+8] \n int 0x21 \n ret")
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#define SLOW_EXEC3(n) asm("mov eax, %0": :"i"(n)); \
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asm("push ebx \n" \
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"mov ecx, [esp+8] \n" \
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"mov edx, [esp+12]\n" \
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"mov ebx, [esp+16]\n" \
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"int 0x21 \n" \
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"pop ebx \n" \
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"ret")
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#define SLOW_EXEC4(n) asm("mov eax, %0": :"i"(n)); \
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asm("push ebx \n" \
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"push esi \n" \
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"mov ecx, [esp+12]\n" \
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"mov edx, [esp+16]\n" \
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"mov ebx, [esp+20]\n" \
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"mov esi, [esp+24]\n" \
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"int 0x21 \n" \
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"pop esi \n" \
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"pop ebx \n" \
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"ret")
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#else
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#define FAST_EXEC0(n) _asm mov eax, n _asm int 20h _asm ret
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#define FAST_EXEC1(n) _asm mov eax, n _asm mov ecx, [esp+4] _asm int 20h _asm ret
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#define SLOW_EXEC0(n) _asm mov eax, n _asm int 21h _asm ret
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#define SLOW_EXEC1(n) _asm mov eax, n _asm mov ecx, [esp+4] _asm int 21h _asm ret
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#define SLOW_EXEC2(n) _asm mov eax, n _asm mov ecx, [esp+4] _asm mov edx, [esp+8] _asm int 21h _asm ret
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#define SLOW_EXEC3(n) _asm mov eax, n \
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_asm push ebx \
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_asm mov ecx, [esp+8] \
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_asm mov edx, [esp+12] \
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_asm mov ebx, [esp+16] \
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_asm int 21h \
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_asm pop ebx \
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_asm ret
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#define SLOW_EXEC4(n) _asm mov eax, n \
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_asm push ebx \
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_asm push esi \
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_asm mov ecx, [esp+12] \
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_asm mov edx, [esp+16] \
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_asm mov ebx, [esp+20] \
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_asm mov esi, [esp+24] \
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_asm int 21h \
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_asm pop esi \
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_asm pop ebx \
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_asm ret
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#endif
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#define KFAST_EXEC0(n) FAST_EXEC0(n)
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#define KFAST_EXEC1(n) FAST_EXEC1(n)
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#define KSLOW_EXEC0(n) SLOW_EXEC0(n)
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#define KSLOW_EXEC1(n) SLOW_EXEC1(n)
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#define KSLOW_EXEC2(n) SLOW_EXEC2(n)
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#define KSLOW_EXEC3(n) SLOW_EXEC3(n)
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#define KSLOW_EXEC4(n) SLOW_EXEC4(n)
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#elif defined(__CPU_ARM)
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// Executive call macros for ARM
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#define EXECUTIVE_FAST 0x00800000
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#define EXECUTIVE_SLOW 0x00000000
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#define __DISPATCH(n) \
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asm("swi %a0" : : "i" (n)); \
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__JUMP(,lr);
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#define FAST_EXEC0(n) __DISPATCH((n)|EXECUTIVE_FAST)
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#define FAST_EXEC1(n) __DISPATCH((n)|EXECUTIVE_FAST)
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#define SLOW_EXEC0(n) __DISPATCH((n)|EXECUTIVE_SLOW)
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#define SLOW_EXEC1(n) __DISPATCH((n)|EXECUTIVE_SLOW)
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#define SLOW_EXEC2(n) __DISPATCH((n)|EXECUTIVE_SLOW)
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#define SLOW_EXEC3(n) __DISPATCH((n)|EXECUTIVE_SLOW)
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#define SLOW_EXEC4(n) __DISPATCH((n)|EXECUTIVE_SLOW)
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#define __KDISPATCH(n) \
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asm("stmfd sp!, {ip,lr} "); \
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asm("swi %a0" : : "i" (n)); \
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__POPRET("ip,");
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#define KFAST_EXEC0(n) __KDISPATCH((n)|EXECUTIVE_FAST)
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#define KFAST_EXEC1(n) __KDISPATCH((n)|EXECUTIVE_FAST)
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#define KSLOW_EXEC0(n) __KDISPATCH((n)|EXECUTIVE_SLOW)
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#define KSLOW_EXEC1(n) __KDISPATCH((n)|EXECUTIVE_SLOW)
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#define KSLOW_EXEC2(n) __KDISPATCH((n)|EXECUTIVE_SLOW)
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#define KSLOW_EXEC3(n) __KDISPATCH((n)|EXECUTIVE_SLOW)
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#define KSLOW_EXEC4(n) __KDISPATCH((n)|EXECUTIVE_SLOW)
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#define __DISPATCH_NR(n) \
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asm("swi %a0" : : "i" (n));
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#define FAST_EXEC0_NR(n) __DISPATCH_NR((n)|EXECUTIVE_FAST)
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#define FAST_EXEC1_NR(n) __DISPATCH_NR((n)|EXECUTIVE_FAST)
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#define SLOW_EXEC0_NR(n) __DISPATCH_NR((n)|EXECUTIVE_SLOW)
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#define SLOW_EXEC1_NR(n) __DISPATCH_NR((n)|EXECUTIVE_SLOW)
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#define SLOW_EXEC2_NR(n) __DISPATCH_NR((n)|EXECUTIVE_SLOW)
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#define SLOW_EXEC3_NR(n) __DISPATCH_NR((n)|EXECUTIVE_SLOW)
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#define SLOW_EXEC4_NR(n) __DISPATCH_NR((n)|EXECUTIVE_SLOW)
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#define __KDISPATCH_NR(n) \
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asm("swi %a0" : : "i" (n));
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#define KFAST_EXEC0_NR(n) __KDISPATCH_NR((n)|EXECUTIVE_FAST)
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#define KFAST_EXEC1_NR(n) __KDISPATCH_NR((n)|EXECUTIVE_FAST)
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#define KSLOW_EXEC0_NR(n) __KDISPATCH_NR((n)|EXECUTIVE_SLOW)
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#define KSLOW_EXEC1_NR(n) __KDISPATCH_NR((n)|EXECUTIVE_SLOW)
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#define KSLOW_EXEC2_NR(n) __KDISPATCH_NR((n)|EXECUTIVE_SLOW)
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#define KSLOW_EXEC3_NR(n) __KDISPATCH_NR((n)|EXECUTIVE_SLOW)
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#define KSLOW_EXEC4_NR(n) __KDISPATCH_NR((n)|EXECUTIVE_SLOW)
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#else
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#error Unknown CPU
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#endif
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#ifdef __LEAVE_EQUALS_THROW__
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// Hide TTrap to catch unwary uses of the old cleanup
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// mechanism at compile time
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class TTrap;
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#endif //__LEAVE_EQUALS_THROW__
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#include <exec_enum.h>
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#include <e32btrace.h>
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#include <exec_user.h>
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#endif
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