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