mirror of
https://github.com/libretro/dolphin
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156 lines
3.9 KiB
C++
156 lines
3.9 KiB
C++
// Copyright 2017 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#include "Common/FileUtil.h"
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#include "Core/DSP/DSPCodeUtil.h"
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#include "Core/DSP/DSPDisassembler.h"
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#include "DSPTestBinary.h"
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#include "DSPTestText.h"
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#include "HermesBinary.h"
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#include <gtest/gtest.h>
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static bool RoundTrippableDissassemble(const std::vector<u16>& code, std::string& text)
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{
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DSP::AssemblerSettings settings;
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settings.ext_separator = '\'';
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settings.decode_names = true;
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settings.decode_registers = true;
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// These two prevent roundtripping.
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settings.show_hex = false;
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settings.show_pc = false;
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DSP::DSPDisassembler disasm(settings);
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return disasm.Disassemble(code, text);
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}
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// This test goes from text ASM to binary to text ASM and once again back to binary.
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// Then the two binaries are compared.
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static bool RoundTrip(const std::vector<u16>& code1)
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{
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std::vector<u16> code2;
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std::string text;
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if (!RoundTrippableDissassemble(code1, text))
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{
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printf("RoundTrip: Disassembly failed.\n");
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return false;
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}
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if (!DSP::Assemble(text, code2))
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{
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printf("RoundTrip: Assembly failed.\n");
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return false;
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}
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if (!DSP::Compare(code1, code2))
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{
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DSP::Disassemble(code1, true, text);
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printf("%s", text.c_str());
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}
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return true;
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}
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// This test goes from text ASM to binary to text ASM and once again back to binary.
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// Very convenient for testing. Then the two binaries are compared.
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static bool SuperTrip(const char* asm_code)
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{
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std::vector<u16> code1, code2;
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std::string text;
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if (!DSP::Assemble(asm_code, code1))
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{
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printf("SuperTrip: First assembly failed\n");
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return false;
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}
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printf("First assembly: %i words\n", (int)code1.size());
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if (!RoundTrippableDissassemble(code1, text))
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{
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printf("SuperTrip: Disassembly failed\n");
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return false;
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}
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else
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{
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printf("Disassembly:\n");
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printf("%s", text.c_str());
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}
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if (!DSP::Assemble(text, code2))
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{
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printf("SuperTrip: Second assembly failed\n");
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return false;
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}
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return true;
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}
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// Let's start out easy - a trivial instruction..
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TEST(DSPAssembly, TrivialInstruction)
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{
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ASSERT_TRUE(SuperTrip(" NOP\n"));
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}
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// Now let's do several.
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TEST(DSPAssembly, SeveralTrivialInstructions)
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{
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ASSERT_TRUE(SuperTrip(" NOP\n"
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" NOP\n"
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" NOP\n"));
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}
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// Turning it up a notch.
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TEST(DSPAssembly, SeveralNoParameterInstructions)
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{
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ASSERT_TRUE(SuperTrip(" SET16\n"
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" SET40\n"
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" CLR15\n"
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" M0\n"
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" M2\n"));
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}
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// Time to try labels and parameters, and comments.
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TEST(DSPAssembly, LabelsParametersAndComments)
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{
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ASSERT_TRUE(SuperTrip("DIRQ_TEST: equ 0xfffb ; DSP Irq Request\n"
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" si @0xfffc, #0x8888\n"
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" si @0xfffd, #0xbeef\n"
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" si @DIRQ_TEST, #0x0001\n"));
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}
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// Let's see if registers roundtrip. Also try predefined labels.
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TEST(DSPAssembly, RegistersAndPredefinedLabels)
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{
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ASSERT_TRUE(SuperTrip(" si @0xfffc, #0x8888\n"
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" si @0xfffd, #0xbeef\n"
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" si @DIRQ, #0x0001\n"));
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}
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// Let's try some messy extended instructions.
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TEST(DSPAssembly, ExtendedInstructions)
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{
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ASSERT_TRUE(SuperTrip(" MULMV'SN $AX0.L, $AX0.H, $ACC0 : @$AR2, $AC1.M\n"
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" ADDAXL'MV $ACC1, $AX1.L : $AX1.H, $AC1.M\n"));
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}
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TEST(DSPAssembly, HermesBinary)
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{
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ASSERT_TRUE(RoundTrip(s_hermes_bin));
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}
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TEST(DSPAssembly, DSPTestText)
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{
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ASSERT_TRUE(SuperTrip(s_dsp_test_text));
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}
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TEST(DSPAssembly, DSPTestBinary)
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{
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ASSERT_TRUE(RoundTrip(s_dsp_test_bin));
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}
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/*
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if (File::ReadFileToString("C:/devkitPro/examples/wii/asndlib/dsptest/dsp_test.ds", &dsp_test))
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SuperTrip(dsp_test.c_str());
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//.File::ReadFileToString("C:/devkitPro/trunk/libogc/libasnd/dsp_mixer/dsp_mixer.s", &dsp_test);
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// This is CLOSE to working. Sorry about the local path btw. This is preliminary code.
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*/
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