// Copyright (c) 1996-2009 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:

 // e32test\system\t_exc.cpp

 // 

 //

 #include <e32test.h>

 #include <e32svr.h>

 #include <u32std.h>

 #include <exec_enum.h>

 #if defined(__CPU_ARM)

 __NAKED__ void UndefinedInstruction()

 	{

 	asm("mcr p15, 0, r0, c3, c0 ");

 	}

 __NAKED__ TInt ContextThread0(TAny *)

 	{

 	asm("cmp r0, #0x80000000 ");

 	asm("beq 1f ");

 	asm("mov r0, #0xa0000000 ");

 	asm("msr cpsr_flg, r0 ");

 	asm("mov r0, #0x00");

 	asm("mov r1, #0x11");

 	asm("mov r2, #0x22");

 	asm("mov r3, #0x33");

 	asm("mov r4, #0x44");

 	asm("mov r5, #0x55");

 	asm("mov r6, #0x66");

 	asm("mov r7, #0x77");

 	asm("mov r8, #0x88");

 	asm("mov r9, #0x99");

 	asm("mov r10, #0xaa");

 	asm("mov r11, #0xbb");

 	asm("mov r12, #0xcc");

 	asm("mov r13, #0xdd");

 	asm("mov r14, #0xee");

 	asm("context_thread0_loop: ");

 	asm("b context_thread0_loop ");

 	asm("1: ");

 	asm("adr r0, context_thread0_loop ");

 	__JUMP(,lr);

 	}

 __NAKED__ TInt ContextThread1(TAny *)

 	{

 	asm("cmp r0, #0x80000000 ");

 	asm("beq 1f ");

 	asm("mov r0, #0xa0000000 ");

 	asm("msr cpsr_flg, r0 ");

 	asm("mov r0, #0x00");

 	asm("mov r1, #0x11");

 	asm("mov r2, #0x22");

 	asm("mov r3, #0x33");

 	asm("mov r4, #0x44");

 	asm("mov r5, #0x55");

 	asm("mov r6, #0x66");

 	asm("mov r7, #0x77");

 	asm("mov r8, #0x88");

 	asm("mov r9, #0x99");

 	asm("mov r10, #0xaa");

 	asm("mov r11, #0xbb");

 	asm("mov r12, #0xcc");

 	asm("mov r13, #0xdd");

 	asm("mov r14, #0xee");

 	asm("swi 0x800000"); //	WaitForAnyRequest");

 	asm("context_thread1_pc: ");

 	asm("b context_thread1_pc ");

 	asm("1: ");

 	asm("adr r0, context_thread1_pc ");

 	__JUMP(,lr);

 	}

 __NAKED__ TInt ContextThread2(TAny *)

 	{

 	asm("cmp r0, #0x80000000 ");

 	asm("beq 1f ");

 	asm("ldr r0, __current_thread_handle ");

 	asm("mov r1, #0xa0000000 ");

 	asm("msr cpsr_flg, r1 ");

 	asm("mov r1, #0x11");

 	asm("mov r2, #0x22");

 	asm("mov r3, #0x33");

 	asm("mov r4, #0x44");

 	asm("mov r5, #0x55");

 	asm("mov r6, #0x66");

 	asm("mov r7, #0x77");

 	asm("mov r8, #0x88");

 	asm("mov r9, #0x99");

 	asm("mov r10, #0xaa");

 	asm("mov r11, #0xbb");

 	asm("mov r12, #0xcc");

 	asm("mov r13, #0xdd");

 	asm("mov r14, #0xee");

 	asm("swi %a0" : : "i" (EExecThreadSuspend)); //	RThread::Suspend");

 	asm("context_thread2_pc: ");

 	asm("b context_thread2_pc ");

 	asm("1: ");

 	asm("adr r0, context_thread2_pc ");

 	__JUMP(,lr);

 	asm("__current_thread_handle: ");

 	asm(".word 0xffff8001 ");

 	}

 #endif

 #if defined(__CPU_X86)

 __NAKED__ TInt ContextThread0(TAny *)

 	{

 	asm("mov eax, [esp+4] ");

 	asm("cmp eax, 0x80000000 ");

 	asm("jz short c0_get_eip_addr ");

 	asm("mov eax, 0xaaaaaaaa ");

 	asm("mov ebx, 0xbbbbbbbb ");

 	asm("mov ecx, 0xcccccccc ");

 	asm("mov edx, 0xdddddddd ");

 	asm("mov ebp, 0xeb0eb0eb ");

 	asm("mov esi, 0xe51e51e5 ");

 	asm("mov edi, 0xed1ed1ed ");

 	asm("pushfd ");

 	asm("or dword ptr [esp], 0xcd5 ");	// set OF DF SF ZF AF PF CF

 	asm("popfd ");

 	asm("mov esp, 0xe50e50e5 ");

 	asm("c0_loop: ");

 	asm("jmp short c0_loop ");

 	asm("c0_get_eip_addr: ");

 	asm("lea eax, c0_loop ");

 	asm("ret ");

 	}

 __NAKED__ TInt ContextThread1(TAny *)

 	{

 	asm("mov eax, [esp+4] ");

 	asm("cmp eax, 0x80000000 ");

 	asm("jz short c1_get_eip_addr ");

 	asm("mov eax, 0xaaaaaaaa ");

 	asm("mov ebx, 0xbbbbbbbb ");

 	asm("mov ecx, 0xcccccccc ");

 	asm("mov edx, 0xdddddddd ");

 	asm("mov ebp, 0xeb0eb0eb ");

 	asm("mov esi, 0xe51e51e5 ");

 	asm("mov edi, 0xed1ed1ed ");

 	asm("pushfd ");

 	asm("or dword ptr [esp], 0xcd5 ");	// set OF DF SF ZF AF PF CF

 	asm("popfd ");

 	asm("mov esp, 0xe50e50e5 ");

 	asm("mov eax, %0" : : "i" (EFastExecWaitForAnyRequest));

 	asm("int 0x20 ");

 	asm("c1_eip: ");

 	asm("c1_get_eip_addr: ");

 	asm("lea eax, c1_eip ");

 	asm("ret ");

 	}

 __NAKED__ TInt ContextThread2(TAny *)

 	{

 	asm("mov eax, [esp+4] ");

 	asm("cmp eax, 0x80000000 ");

 	asm("jz short c2_get_eip_addr ");

 	asm("mov eax, 0xaaaaaaaa ");

 	asm("mov ebx, 0xbbbbbbbb ");

 	asm("mov ecx, 0xcccccccc ");

 	asm("mov edx, 0xdddddddd ");

 	asm("mov ebp, 0xeb0eb0eb ");

 	asm("mov esi, 0xe51e51e5 ");

 	asm("mov edi, 0xed1ed1ed ");

 	asm("pushfd ");

 	asm("or dword ptr [esp], 0xcd5 ");	// set OF DF SF ZF AF PF CF

 	asm("popfd ");

 	asm("mov esp, 0xe50e50e5 ");

 	asm("mov eax, %0" : : "i" (EExecThreadSuspend));

 	asm("mov ecx, 0xffff8001 ");

 	asm("int 0x21 ");

 	asm("c2_eip: ");

 	asm("c2_get_eip_addr: ");

 	asm("lea eax, c2_eip ");

 	asm("ret ");

 	}

 #endif