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// Copyright (c) 1996-2009 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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// e32test\system\t_exc.cpp
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//
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//
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#include <e32test.h>
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#include <e32svr.h>
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#include <u32std.h>
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#include <exec_enum.h>
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#if defined(__CPU_ARM)
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__NAKED__ void UndefinedInstruction()
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{
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asm("mcr p15, 0, r0, c3, c0 ");
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}
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__NAKED__ TInt ContextThread0(TAny *)
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{
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asm("cmp r0, #0x80000000 ");
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asm("beq 1f ");
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asm("mov r0, #0xa0000000 ");
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asm("msr cpsr_flg, r0 ");
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asm("mov r0, #0x00");
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asm("mov r1, #0x11");
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asm("mov r2, #0x22");
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asm("mov r3, #0x33");
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asm("mov r4, #0x44");
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asm("mov r5, #0x55");
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asm("mov r6, #0x66");
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asm("mov r7, #0x77");
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asm("mov r8, #0x88");
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asm("mov r9, #0x99");
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asm("mov r10, #0xaa");
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asm("mov r11, #0xbb");
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asm("mov r12, #0xcc");
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asm("mov r13, #0xdd");
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asm("mov r14, #0xee");
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asm("context_thread0_loop: ");
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asm("b context_thread0_loop ");
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asm("1: ");
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asm("adr r0, context_thread0_loop ");
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__JUMP(,lr);
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}
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__NAKED__ TInt ContextThread1(TAny *)
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{
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asm("cmp r0, #0x80000000 ");
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asm("beq 1f ");
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asm("mov r0, #0xa0000000 ");
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asm("msr cpsr_flg, r0 ");
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asm("mov r0, #0x00");
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asm("mov r1, #0x11");
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asm("mov r2, #0x22");
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asm("mov r3, #0x33");
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asm("mov r4, #0x44");
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asm("mov r5, #0x55");
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asm("mov r6, #0x66");
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asm("mov r7, #0x77");
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asm("mov r8, #0x88");
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asm("mov r9, #0x99");
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asm("mov r10, #0xaa");
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asm("mov r11, #0xbb");
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asm("mov r12, #0xcc");
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asm("mov r13, #0xdd");
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asm("mov r14, #0xee");
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asm("swi 0x800000"); // WaitForAnyRequest");
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asm("context_thread1_pc: ");
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asm("b context_thread1_pc ");
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asm("1: ");
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asm("adr r0, context_thread1_pc ");
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__JUMP(,lr);
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}
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__NAKED__ TInt ContextThread2(TAny *)
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{
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asm("cmp r0, #0x80000000 ");
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asm("beq 1f ");
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asm("ldr r0, __current_thread_handle ");
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asm("mov r1, #0xa0000000 ");
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asm("msr cpsr_flg, r1 ");
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asm("mov r1, #0x11");
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asm("mov r2, #0x22");
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asm("mov r3, #0x33");
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asm("mov r4, #0x44");
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asm("mov r5, #0x55");
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asm("mov r6, #0x66");
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asm("mov r7, #0x77");
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asm("mov r8, #0x88");
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asm("mov r9, #0x99");
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asm("mov r10, #0xaa");
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asm("mov r11, #0xbb");
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asm("mov r12, #0xcc");
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asm("mov r13, #0xdd");
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asm("mov r14, #0xee");
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asm("swi %a0" : : "i" (EExecThreadSuspend)); // RThread::Suspend");
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asm("context_thread2_pc: ");
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asm("b context_thread2_pc ");
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asm("1: ");
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asm("adr r0, context_thread2_pc ");
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__JUMP(,lr);
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asm("__current_thread_handle: ");
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asm(".word 0xffff8001 ");
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}
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#endif
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#if defined(__CPU_X86)
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__NAKED__ TInt ContextThread0(TAny *)
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{
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asm("mov eax, [esp+4] ");
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asm("cmp eax, 0x80000000 ");
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asm("jz short c0_get_eip_addr ");
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asm("mov eax, 0xaaaaaaaa ");
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asm("mov ebx, 0xbbbbbbbb ");
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asm("mov ecx, 0xcccccccc ");
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asm("mov edx, 0xdddddddd ");
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asm("mov ebp, 0xeb0eb0eb ");
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asm("mov esi, 0xe51e51e5 ");
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asm("mov edi, 0xed1ed1ed ");
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asm("pushfd ");
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asm("or dword ptr [esp], 0xcd5 "); // set OF DF SF ZF AF PF CF
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asm("popfd ");
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asm("mov esp, 0xe50e50e5 ");
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asm("c0_loop: ");
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asm("jmp short c0_loop ");
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asm("c0_get_eip_addr: ");
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asm("lea eax, c0_loop ");
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asm("ret ");
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}
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__NAKED__ TInt ContextThread1(TAny *)
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{
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asm("mov eax, [esp+4] ");
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asm("cmp eax, 0x80000000 ");
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asm("jz short c1_get_eip_addr ");
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asm("mov eax, 0xaaaaaaaa ");
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asm("mov ebx, 0xbbbbbbbb ");
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asm("mov ecx, 0xcccccccc ");
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asm("mov edx, 0xdddddddd ");
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asm("mov ebp, 0xeb0eb0eb ");
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asm("mov esi, 0xe51e51e5 ");
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asm("mov edi, 0xed1ed1ed ");
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asm("pushfd ");
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asm("or dword ptr [esp], 0xcd5 "); // set OF DF SF ZF AF PF CF
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asm("popfd ");
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asm("mov esp, 0xe50e50e5 ");
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asm("mov eax, %0" : : "i" (EFastExecWaitForAnyRequest));
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asm("int 0x20 ");
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asm("c1_eip: ");
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asm("c1_get_eip_addr: ");
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asm("lea eax, c1_eip ");
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asm("ret ");
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}
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__NAKED__ TInt ContextThread2(TAny *)
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{
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asm("mov eax, [esp+4] ");
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asm("cmp eax, 0x80000000 ");
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asm("jz short c2_get_eip_addr ");
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asm("mov eax, 0xaaaaaaaa ");
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asm("mov ebx, 0xbbbbbbbb ");
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asm("mov ecx, 0xcccccccc ");
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asm("mov edx, 0xdddddddd ");
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asm("mov ebp, 0xeb0eb0eb ");
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asm("mov esi, 0xe51e51e5 ");
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asm("mov edi, 0xed1ed1ed ");
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asm("pushfd ");
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asm("or dword ptr [esp], 0xcd5 "); // set OF DF SF ZF AF PF CF
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asm("popfd ");
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asm("mov esp, 0xe50e50e5 ");
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asm("mov eax, %0" : : "i" (EExecThreadSuspend));
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asm("mov ecx, 0xffff8001 ");
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asm("int 0x21 ");
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asm("c2_eip: ");
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asm("c2_get_eip_addr: ");
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asm("lea eax, c2_eip ");
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asm("ret ");
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}
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#endif
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