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https://opencores.org/ocsvn/ao486/ao486/trunk
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[/] [ao486/] [trunk/] [ao486_tool/] [src/] [ao486/] [test/] [io/] [TestOUTS_real_rep.java] - Rev 7
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/* * Copyright (c) 2014, Aleksander Osman * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package ao486.test.io; import ao486.test.TestUnit; import ao486.test.layers.FlagsLayer; import ao486.test.layers.GeneralRegisterLayer; import ao486.test.layers.HandleModeChangeLayer; import ao486.test.layers.IOLayer; import ao486.test.layers.InstructionLayer; import ao486.test.layers.Layer; import ao486.test.layers.MemoryLayer; import ao486.test.layers.OtherLayer; import ao486.test.layers.Pair; import ao486.test.layers.SegmentLayer; import ao486.test.layers.StackLayer; import java.io.*; import java.util.LinkedList; import java.util.Random; public class TestOUTS_real_rep extends TestUnit implements Serializable { public static void main(String args[]) throws Exception { run_test(TestOUTS_real_rep.class); } //-------------------------------------------------------------------------- @Override public int get_test_count() throws Exception { return 100; } @Override public void init() throws Exception { random = new Random(5 + index); String instruction; while(true) { layers.clear(); LinkedList<Pair<Long, Long>> prohibited_list = new LinkedList<>(); // if false: v8086 mode boolean is_real = true; InstructionLayer instr = new InstructionLayer(random, prohibited_list, true); layers.add(instr); StackLayer stack = new StackLayer(random, prohibited_list); layers.add(stack); layers.add(new OtherLayer(is_real ? OtherLayer.Type.REAL : OtherLayer.Type.PROTECTED_OR_V8086, random)); layers.add(new FlagsLayer(is_real ? FlagsLayer.Type.RANDOM : FlagsLayer.Type.V8086, random)); layers.add(new GeneralRegisterLayer(random)); layers.add(new SegmentLayer(random)); layers.add(new MemoryLayer(random)); layers.add(new IOLayer(random)); layers.addFirst(new HandleModeChangeLayer( getInput("cr0_pe"), getInput("vmflag"), getInput("cs_rpl"), getInput("cs_p"), getInput("cs_s"), getInput("cs_type") )); // instruction size boolean cs_d_b = getInput("cs_d_b") == 1; boolean a32 = random.nextBoolean(); boolean o32 = random.nextBoolean(); long cs_limit = getInput("cs_limit"); //---------------- final Random final_random = random; Layer layer = new Layer() { long ecx() { return final_random.nextInt(5); } long esi() { int val = final_random.nextInt(); return ((val % 18) == 0)? 0 : ((val % 18) == 1)? 1 : ((val % 18) == 2)? 2 : ((val % 18) == 3)? 3 : ((val % 18) == 4)? 4 : ((val % 18) == 5)? 0xFFFFFFFF : ((val % 18) == 6)? 0x0000FFFF : final_random.nextInt() & ((final_random.nextInt(3) == 0)? 0xFFFFFFFF : 0x00000FFF); } long edi() { int val = final_random.nextInt(); return ((val % 18) == 0)? 0 : ((val % 18) == 1)? 1 : ((val % 18) == 2)? 2 : ((val % 18) == 3)? 3 : ((val % 18) == 4)? 4 : ((val % 18) == 5)? 0xFFFFFFFF : ((val % 18) == 6)? 0x0000FFFF : final_random.nextInt() & ((final_random.nextInt(3) == 0)? 0xFFFFFFFF : 0x00000FFF); } }; layers.addFirst(layer); //----------------- String instruction_string = prepare_instr(cs_d_b, a32, o32); // add instruction instruction = instruction_string + instruction_string + "9090900F0F"; instr.add_instruction(instruction); // end condition break; } System.out.println("Instruction: [" + instruction + "]"); } String prepare_instr(boolean cs_d_b, boolean a32, boolean o32) throws Exception { int opcodes[] = { 0x6E,0x6F }; String prefix = ""; if(cs_d_b != o32) { prefix = "66" + prefix; } if(cs_d_b != a32) { prefix = "67" + prefix; } if(random.nextBoolean()) { prefix = "F2" + prefix; } if(random.nextBoolean()) { prefix = "F3" + prefix; } int opcode = opcodes[random.nextInt(opcodes.length)]; int len = 1; byte instr[] = new byte[len]; instr[0] = (byte)opcode; if(len >= 2) instr[1] = (byte)random.nextInt(); return prefix + bytesToHex(instr); } }
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