// 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 "Symbian Foundation License v1.0"
// which accompanies this distribution, and is available
// at the URL "http://www.symbianfoundation.org/legal/sfl-v10.html".
//
// Initial Contributors:
// Nokia Corporation - initial contribution.
//
// Contributors:
//
// Description:
// e32\include\u32exec.h
//
//
/**
@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
#define __EXECDECL__ __NAKED__
#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>
#ifndef __TOOLS2__
#include <e32btrace.h>
#endif
#include <exec_user.h>
#endif