// Copyright (c) 1995-2009 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\u32exec.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 __U32EXEC_H__

 #define __U32EXEC_H__

 #include <u32std.h>

 #include <cpudefs.h>

 #ifdef __KERNEL_MODE__

 #define	EXEC_INT64		Int64

 #define	EXEC_TIME		TTimeK

 #else

 #define	EXEC_INT64		TInt64

 #define	EXEC_TIME		TInt64

 #endif

 //#ifdef __SYMC__

 //#define __EXECDECL__

 //#else

 #define __EXECDECL__	__NAKED__

 //#endif

 #if defined(__WINS__)

 // Executive call macros for WINS

 #define EXECUTIVE_FAST	0x00800000

 #define EXECUTIVE_SLOW	0x00000000

 #define __DISPATCH(func)			\

 	__asm lea	edx, [esp + 0x4]	\

 	__asm mov	ecx, (func)			\

 	__asm jmp  [TheDispatcher]

 #define	FAST_EXEC0(n)	__DISPATCH((n)|EXECUTIVE_FAST)

 #define	FAST_EXEC1(n)	__DISPATCH((n)|EXECUTIVE_FAST)

 #define	SLOW_EXEC0(n)	__DISPATCH((n)|EXECUTIVE_SLOW)

 #define	SLOW_EXEC1(n)	__DISPATCH((n)|EXECUTIVE_SLOW)

 #define	SLOW_EXEC2(n)	__DISPATCH((n)|EXECUTIVE_SLOW)

 #define SLOW_EXEC3(n)	__DISPATCH((n)|EXECUTIVE_SLOW)

 #define SLOW_EXEC4(n)	__DISPATCH((n)|EXECUTIVE_SLOW)

 #define	KFAST_EXEC0(n)	__DISPATCH((n)|EXECUTIVE_FAST)

 #define	KFAST_EXEC1(n)	__DISPATCH((n)|EXECUTIVE_FAST)

 #define	KSLOW_EXEC0(n)	__DISPATCH((n)|EXECUTIVE_SLOW)

 #define	KSLOW_EXEC1(n)	__DISPATCH((n)|EXECUTIVE_SLOW)

 #define	KSLOW_EXEC2(n)	__DISPATCH((n)|EXECUTIVE_SLOW)

 #define KSLOW_EXEC3(n)	__DISPATCH((n)|EXECUTIVE_SLOW)

 #define KSLOW_EXEC4(n)	__DISPATCH((n)|EXECUTIVE_SLOW)

 #elif defined(__CPU_X86)

 // Executive call macros for X86

 #ifdef __GCC32__

 #define	FAST_EXEC0(n)	asm("mov eax, %0": :"i"(n)); \

 						asm("int 0x20 \n ret")

 #define	FAST_EXEC1(n)	asm("mov eax, %0": :"i"(n)); \

 						asm("mov ecx, [esp+4] \n int 0x20 \n ret")

 #define	SLOW_EXEC0(n)	asm("mov eax, %0": :"i"(n)); \

 						asm("int 0x21 \n ret")

 #define	SLOW_EXEC1(n)	asm("mov eax, %0": :"i"(n)); \

 						asm("mov ecx, [esp+4] \n int 0x21 \n ret")

 #define	SLOW_EXEC2(n)	asm("mov eax, %0": :"i"(n)); \

 						asm("mov ecx, [esp+4] \n mov edx, [esp+8] \n int 0x21 \n ret")

 #define SLOW_EXEC3(n)	asm("mov eax, %0": :"i"(n)); \

 						asm("push ebx         \n" \

 							"mov ecx, [esp+8] \n" \

 							"mov edx, [esp+12]\n" \

 							"mov ebx, [esp+16]\n" \

 							"int 0x21         \n" \

 							"pop ebx          \n" \

 						    "ret")

 #define SLOW_EXEC4(n)	asm("mov eax, %0": :"i"(n)); \

 						asm("push ebx         \n" \

 							"push esi         \n" \

 							"mov ecx, [esp+12]\n" \

 							"mov edx, [esp+16]\n" \

 							"mov ebx, [esp+20]\n" \

 							"mov esi, [esp+24]\n" \

 							"int 0x21         \n" \

 							"pop esi          \n" \

 							"pop ebx          \n" \

 							"ret")

 #else

 #define	FAST_EXEC0(n)	_asm mov eax, n _asm int 20h _asm ret

 #define	FAST_EXEC1(n)	_asm mov eax, n _asm mov ecx, [esp+4] _asm int 20h _asm ret

 #define	SLOW_EXEC0(n)	_asm mov eax, n _asm int 21h _asm ret

 #define	SLOW_EXEC1(n)	_asm mov eax, n _asm mov ecx, [esp+4] _asm int 21h _asm ret

 #define	SLOW_EXEC2(n)	_asm mov eax, n _asm mov ecx, [esp+4] _asm mov edx, [esp+8] _asm int 21h _asm ret

 #define SLOW_EXEC3(n)	_asm mov eax, n			\

 						_asm push ebx			\

 						_asm mov ecx, [esp+8]	\

 						_asm mov edx, [esp+12]	\

 						_asm mov ebx, [esp+16]	\

 						_asm int 21h			\

 						_asm pop ebx			\

 						_asm ret

 #define SLOW_EXEC4(n)	_asm mov eax, n			\

 						_asm push ebx			\

 						_asm push esi			\

 						_asm mov ecx, [esp+12]	\

 						_asm mov edx, [esp+16]	\

 						_asm mov ebx, [esp+20]	\

 						_asm mov esi, [esp+24]	\

 						_asm int 21h			\

 						_asm pop esi			\

 						_asm pop ebx			\

 						_asm ret

 #endif

 #define	KFAST_EXEC0(n)	FAST_EXEC0(n)

 #define	KFAST_EXEC1(n)	FAST_EXEC1(n)

 #define	KSLOW_EXEC0(n)	SLOW_EXEC0(n)

 #define	KSLOW_EXEC1(n)	SLOW_EXEC1(n)

 #define	KSLOW_EXEC2(n)	SLOW_EXEC2(n)

 #define KSLOW_EXEC3(n)	SLOW_EXEC3(n)

 #define KSLOW_EXEC4(n)	SLOW_EXEC4(n)

 #elif defined(__CPU_ARM)

 // Executive call macros for ARM

 #define EXECUTIVE_FAST	0x00800000

 #define EXECUTIVE_SLOW	0x00000000

 #define __DISPATCH(n)				\

 	asm("swi %a0" : : "i" (n));     \

 	__JUMP(,lr);

 #define	FAST_EXEC0(n)		__DISPATCH((n)|EXECUTIVE_FAST)

 #define	FAST_EXEC1(n)		__DISPATCH((n)|EXECUTIVE_FAST)

 #define	SLOW_EXEC0(n)		__DISPATCH((n)|EXECUTIVE_SLOW)

 #define	SLOW_EXEC1(n)		__DISPATCH((n)|EXECUTIVE_SLOW)

 #define	SLOW_EXEC2(n)		__DISPATCH((n)|EXECUTIVE_SLOW)

 #define SLOW_EXEC3(n)		__DISPATCH((n)|EXECUTIVE_SLOW)

 #define SLOW_EXEC4(n)		__DISPATCH((n)|EXECUTIVE_SLOW)

 #define __KDISPATCH(n)				\

 	asm("stmfd sp!, {ip,lr} ");		\

 	asm("swi %a0" : : "i" (n));     \

 	__POPRET("ip,");

 #define	KFAST_EXEC0(n)		__KDISPATCH((n)|EXECUTIVE_FAST)

 #define	KFAST_EXEC1(n)		__KDISPATCH((n)|EXECUTIVE_FAST)

 #define	KSLOW_EXEC0(n)		__KDISPATCH((n)|EXECUTIVE_SLOW)

 #define	KSLOW_EXEC1(n)		__KDISPATCH((n)|EXECUTIVE_SLOW)

 #define	KSLOW_EXEC2(n)		__KDISPATCH((n)|EXECUTIVE_SLOW)

 #define KSLOW_EXEC3(n)		__KDISPATCH((n)|EXECUTIVE_SLOW)

 #define KSLOW_EXEC4(n)		__KDISPATCH((n)|EXECUTIVE_SLOW)

 #define __DISPATCH_NR(n)			\

 	asm("swi %a0" : : "i" (n));

 #define	FAST_EXEC0_NR(n)	__DISPATCH_NR((n)|EXECUTIVE_FAST)

 #define	FAST_EXEC1_NR(n)	__DISPATCH_NR((n)|EXECUTIVE_FAST)

 #define	SLOW_EXEC0_NR(n)	__DISPATCH_NR((n)|EXECUTIVE_SLOW)

 #define	SLOW_EXEC1_NR(n)	__DISPATCH_NR((n)|EXECUTIVE_SLOW)

 #define	SLOW_EXEC2_NR(n)	__DISPATCH_NR((n)|EXECUTIVE_SLOW)

 #define SLOW_EXEC3_NR(n)	__DISPATCH_NR((n)|EXECUTIVE_SLOW)

 #define SLOW_EXEC4_NR(n)	__DISPATCH_NR((n)|EXECUTIVE_SLOW)

 #define __KDISPATCH_NR(n)			\

 	asm("swi %a0" : : "i" (n));

 #define	KFAST_EXEC0_NR(n)	__KDISPATCH_NR((n)|EXECUTIVE_FAST)

 #define	KFAST_EXEC1_NR(n)	__KDISPATCH_NR((n)|EXECUTIVE_FAST)

 #define	KSLOW_EXEC0_NR(n)	__KDISPATCH_NR((n)|EXECUTIVE_SLOW)

 #define	KSLOW_EXEC1_NR(n)	__KDISPATCH_NR((n)|EXECUTIVE_SLOW)

 #define	KSLOW_EXEC2_NR(n)	__KDISPATCH_NR((n)|EXECUTIVE_SLOW)

 #define KSLOW_EXEC3_NR(n)	__KDISPATCH_NR((n)|EXECUTIVE_SLOW)

 #define KSLOW_EXEC4_NR(n)	__KDISPATCH_NR((n)|EXECUTIVE_SLOW)

 #else

 #error Unknown CPU

 #endif

 #ifdef __LEAVE_EQUALS_THROW__

 // Hide TTrap to catch unwary uses of the old cleanup

 // mechanism at compile time

 class TTrap;

 #endif //__LEAVE_EQUALS_THROW__

 #include <exec_enum.h>

 #include <e32btrace.h>

 #include <exec_user.h>

 #endif