forked from dolphin-emu/dolphin
437 lines
13 KiB
C++
437 lines
13 KiB
C++
// Copyright 2009 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/Common.h"
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#include "Common/FileUtil.h"
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#include "Common/StringUtil.h"
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#include "Core/DSP/DSPCodeUtil.h"
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#include "Core/DSP/DSPDisassembler.h"
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#include "Core/DSP/DSPHost.h"
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#include "Core/DSP/DSPTables.h"
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// Stub out the dsplib host stuff, since this is just a simple cmdline tools.
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u8 DSP::Host::ReadHostMemory(u32 addr)
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{
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return 0;
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}
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void DSP::Host::WriteHostMemory(u8 value, u32 addr)
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{
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}
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void DSP::Host::OSD_AddMessage(const std::string& str, u32 ms)
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{
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}
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bool DSP::Host::OnThread()
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{
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return false;
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}
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bool DSP::Host::IsWiiHost()
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{
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return false;
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}
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void DSP::Host::CodeLoaded(const u8* ptr, int size)
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{
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}
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void DSP::Host::InterruptRequest()
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{
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}
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void DSP::Host::UpdateDebugger()
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{
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}
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static void CodeToHeader(const std::vector<u16>& code, std::string filename, const char* name,
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std::string& header)
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{
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std::vector<u16> code_padded = code;
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// Pad with nops to 32byte boundary
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while (code_padded.size() & 0x7f)
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code_padded.push_back(0);
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header.clear();
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header.reserve(code_padded.size() * 4);
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header.append("#define NUM_UCODES 1\n\n");
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std::string filename_without_extension;
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SplitPath(filename, nullptr, &filename_without_extension, nullptr);
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header.append(StringFromFormat("const char* UCODE_NAMES[NUM_UCODES] = {\"%s\"};\n\n",
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filename_without_extension.c_str()));
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header.append("const unsigned short dsp_code[NUM_UCODES][0x1000] = {\n");
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header.append("\t{\n\t\t");
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for (u32 j = 0; j < code_padded.size(); j++)
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{
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if (j && ((j & 15) == 0))
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header.append("\n\t\t");
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header.append(StringFromFormat("0x%04x, ", code_padded[j]));
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}
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header.append("\n\t},\n");
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header.append("};\n");
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}
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static void CodesToHeader(const std::vector<u16>* codes, const std::vector<std::string>* filenames,
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u32 num_codes, const char* name, std::string& header)
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{
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std::vector<std::vector<u16>> codes_padded;
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u32 reserveSize = 0;
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for (u32 i = 0; i < num_codes; i++)
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{
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codes_padded.push_back(codes[i]);
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// Pad with nops to 32byte boundary
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while (codes_padded.at(i).size() & 0x7f)
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codes_padded.at(i).push_back(0);
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reserveSize += (u32)codes_padded.at(i).size();
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}
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header.clear();
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header.reserve(reserveSize * 4);
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header.append(StringFromFormat("#define NUM_UCODES %u\n\n", num_codes));
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header.append("const char* UCODE_NAMES[NUM_UCODES] = {\n");
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for (u32 i = 0; i < num_codes; i++)
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{
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std::string filename;
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if (!SplitPath(filenames->at(i), nullptr, &filename, nullptr))
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filename = filenames->at(i);
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header.append(StringFromFormat("\t\"%s\",\n", filename.c_str()));
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}
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header.append("};\n\n");
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header.append("const unsigned short dsp_code[NUM_UCODES][0x1000] = {\n");
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for (u32 i = 0; i < num_codes; i++)
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{
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if (codes[i].size() == 0)
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continue;
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header.append("\t{\n\t\t");
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for (u32 j = 0; j < codes_padded.at(i).size(); j++)
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{
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if (j && ((j & 15) == 0))
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header.append("\n\t\t");
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header.append(StringFromFormat("0x%04x, ", codes_padded.at(i).at(j)));
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}
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header.append("\n\t},\n");
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}
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header.append("};\n");
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}
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// Usage:
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// Disassemble a file:
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// dsptool -d -o asdf.txt asdf.bin
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// Disassemble a file, output to standard output:
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// dsptool -d asdf.bin
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// Assemble a file:
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// dsptool [-f] -o asdf.bin asdf.txt
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// Assemble a file, output header:
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// dsptool [-f] -h asdf.h asdf.txt
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// Print results from DSPSpy register dump
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// dsptool -p dsp_dump0.bin
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int main(int argc, const char* argv[])
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{
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if (argc == 1 || (argc == 2 && (!strcmp(argv[1], "--help") || (!strcmp(argv[1], "-?")))))
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{
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printf("USAGE: DSPTool [-?] [--help] [-f] [-d] [-m] [-p <FILE>] [-o <FILE>] [-h <FILE>] <DSP "
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"ASSEMBLER FILE>\n");
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printf("-? / --help: Prints this message\n");
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printf("-d: Disassemble\n");
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printf("-m: Input file contains a list of files (Header assembly only)\n");
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printf("-s: Print the final size in bytes (only)\n");
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printf("-f: Force assembly (errors are not critical)\n");
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printf("-o <OUTPUT FILE>: Results from stdout redirected to a file\n");
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printf("-h <HEADER FILE>: Output assembly results to a header\n");
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printf("-p <DUMP FILE>: Print results of DSPSpy register dump\n");
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printf("-ps <DUMP FILE>: Print results of DSPSpy register dump (disable SR output)\n");
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printf("-pm <DUMP FILE>: Print results of DSPSpy register dump (convert PROD values)\n");
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printf("-psm <DUMP FILE>: Print results of DSPSpy register dump (convert PROD values/disable "
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"SR output)\n");
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return 0;
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}
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std::string input_name;
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std::string output_header_name;
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std::string output_name;
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bool disassemble = false, compare = false, multiple = false, outputSize = false, force = false,
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print_results = false, print_results_prodhack = false, print_results_srhack = false;
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for (int i = 1; i < argc; i++)
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{
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if (!strcmp(argv[i], "-d"))
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disassemble = true;
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else if (!strcmp(argv[i], "-o"))
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output_name = argv[++i];
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else if (!strcmp(argv[i], "-h"))
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output_header_name = argv[++i];
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else if (!strcmp(argv[i], "-c"))
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compare = true;
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else if (!strcmp(argv[i], "-s"))
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outputSize = true;
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else if (!strcmp(argv[i], "-m"))
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multiple = true;
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else if (!strcmp(argv[i], "-f"))
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force = true;
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else if (!strcmp(argv[i], "-p"))
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print_results = true;
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else if (!strcmp(argv[i], "-ps"))
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{
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print_results = true;
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print_results_srhack = true;
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}
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else if (!strcmp(argv[i], "-pm"))
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{
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print_results = true;
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print_results_prodhack = true;
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}
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else if (!strcmp(argv[i], "-psm"))
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{
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print_results = true;
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print_results_srhack = true;
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print_results_prodhack = true;
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}
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else
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{
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if (!input_name.empty())
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{
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printf("ERROR: Can only take one input file.\n");
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return 1;
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}
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input_name = argv[i];
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if (!File::Exists(input_name))
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{
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printf("ERROR: Input path does not exist.\n");
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return 1;
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}
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}
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}
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if (multiple && (compare || disassemble || !output_name.empty() || input_name.empty()))
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{
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printf("ERROR: Multiple files can only be used with assembly "
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"and must compile a header file.\n");
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return 1;
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}
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if (compare)
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{
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// Two binary inputs, let's diff.
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std::string binary_code;
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File::ReadFileToString(input_name, binary_code);
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const std::vector<u16> code1 = DSP::BinaryStringBEToCode(binary_code);
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File::ReadFileToString(output_name, binary_code);
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const std::vector<u16> code2 = DSP::BinaryStringBEToCode(binary_code);
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DSP::Compare(code1, code2);
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return 0;
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}
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if (print_results)
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{
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std::string dumpfile;
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File::ReadFileToString(input_name, dumpfile);
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const std::vector<u16> reg_vector = DSP::BinaryStringBEToCode(dumpfile);
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std::string results("Start:\n");
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for (int initial_reg = 0; initial_reg < 32; initial_reg++)
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{
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results.append(StringFromFormat("%02x %04x ", initial_reg, reg_vector.at(initial_reg)));
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if ((initial_reg + 1) % 8 == 0)
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results.append("\n");
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}
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results.append("\n");
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results.append("Step [number]:\n[Reg] [last value] [current value]\n\n");
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for (unsigned int step = 1; step < reg_vector.size() / 32; step++)
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{
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bool changed = false;
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u16 current_reg;
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u16 last_reg;
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u32 htemp;
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// results.append(StringFromFormat("Step %3d: (CW 0x%04x) UC:%03d\n", step, 0x8fff+step,
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// (step-1)/32));
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results.append(StringFromFormat("Step %3d:\n", step));
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for (int reg = 0; reg < 32; reg++)
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{
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if ((reg >= 0x0c) && (reg <= 0x0f))
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continue;
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if (print_results_srhack && (reg == 0x13))
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continue;
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if ((print_results_prodhack) && (reg >= 0x15) && (reg <= 0x17))
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{
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switch (reg)
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{
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case 0x15: // DSP_REG_PRODM
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last_reg =
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reg_vector.at((step * 32 - 32) + reg) + reg_vector.at((step * 32 - 32) + reg + 2);
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current_reg = reg_vector.at(step * 32 + reg) + reg_vector.at(step * 32 + reg + 2);
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break;
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case 0x16: // DSP_REG_PRODH
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htemp = ((reg_vector.at(step * 32 + reg - 1) + reg_vector.at(step * 32 + reg + 1)) &
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~0xffff) >>
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16;
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current_reg = (u8)(reg_vector.at(step * 32 + reg) + htemp);
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htemp = ((reg_vector.at(step * 32 - 32 + reg - 1) +
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reg_vector.at(step * 32 - 32 + reg + 1)) &
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~0xffff) >>
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16;
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last_reg = (u8)(reg_vector.at(step * 32 - 32 + reg) + htemp);
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break;
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case 0x17: // DSP_REG_PRODM2
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default:
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current_reg = 0;
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last_reg = 0;
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break;
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}
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}
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else
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{
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current_reg = reg_vector.at(step * 32 + reg);
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last_reg = reg_vector.at((step * 32 - 32) + reg);
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}
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if (last_reg != current_reg)
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{
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results.append(StringFromFormat("%02x %-7s: %04x %04x\n", reg, DSP::pdregname(reg),
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last_reg, current_reg));
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changed = true;
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}
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}
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if (!changed)
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results.append("No Change\n\n");
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else
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results.append("\n");
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}
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if (!output_name.empty())
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File::WriteStringToFile(results, output_name.c_str());
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else
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printf("%s", results.c_str());
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return 0;
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}
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if (disassemble)
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{
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if (input_name.empty())
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{
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printf("Disassemble: Must specify input.\n");
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return 1;
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}
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std::string binary_code;
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File::ReadFileToString(input_name, binary_code);
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const std::vector<u16> code = DSP::BinaryStringBEToCode(binary_code);
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std::string text;
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DSP::Disassemble(code, true, text);
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if (!output_name.empty())
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File::WriteStringToFile(text, output_name);
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else
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printf("%s", text.c_str());
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}
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else
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{
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if (input_name.empty())
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{
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printf("Assemble: Must specify input.\n");
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return 1;
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}
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std::string source;
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if (File::ReadFileToString(input_name.c_str(), source))
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{
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if (multiple)
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{
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// When specifying a list of files we must compile a header
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// (we can't assemble multiple files to one binary)
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// since we checked it before, we assume output_header_name isn't empty
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int lines;
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std::vector<u16>* codes;
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std::vector<std::string> files;
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std::string header, currentSource;
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size_t lastPos = 0, pos = 0;
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source.append("\n");
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while ((pos = source.find('\n', lastPos)) != std::string::npos)
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{
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std::string temp = source.substr(lastPos, pos - lastPos);
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if (!temp.empty())
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files.push_back(temp);
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lastPos = pos + 1;
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}
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lines = (int)files.size();
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if (lines == 0)
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{
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printf("ERROR: Must specify at least one file\n");
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return 1;
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}
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codes = new std::vector<u16>[lines];
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for (int i = 0; i < lines; i++)
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{
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if (!File::ReadFileToString(files[i].c_str(), currentSource))
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{
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printf("ERROR reading %s, skipping...\n", files[i].c_str());
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lines--;
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}
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else
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{
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if (!DSP::Assemble(currentSource, codes[i], force))
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{
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printf("Assemble: Assembly of %s failed due to errors\n", files[i].c_str());
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lines--;
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}
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if (outputSize)
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{
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printf("%s: %d\n", files[i].c_str(), (int)codes[i].size());
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}
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}
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}
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CodesToHeader(codes, &files, lines, output_header_name.c_str(), header);
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File::WriteStringToFile(header, output_header_name + ".h");
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delete[] codes;
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}
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else
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{
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std::vector<u16> code;
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if (!DSP::Assemble(source, code, force))
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{
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printf("Assemble: Assembly failed due to errors\n");
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return 1;
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}
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if (outputSize)
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{
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printf("%s: %d\n", input_name.c_str(), (int)code.size());
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}
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if (!output_name.empty())
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{
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const std::string binary_code = DSP::CodeToBinaryStringBE(code);
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File::WriteStringToFile(binary_code, output_name);
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}
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if (!output_header_name.empty())
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{
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std::string header;
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CodeToHeader(code, input_name, output_header_name.c_str(), header);
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File::WriteStringToFile(header, output_header_name + ".h");
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}
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}
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}
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source.clear();
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}
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if (disassemble)
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{
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printf("Disassembly completed successfully!\n");
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}
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else
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{
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if (!outputSize)
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printf("Assembly completed successfully!\n");
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}
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return 0;
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}
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