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