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/*
* Copyright (C) 2020-2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include <cstdint>
#include <fstream>
#include <iomanip>
#include <iostream>
#include <memory>
#include <sstream>
constexpr int minArgCount = 7;
static void showUsage(std::string name) {
std::cerr << "Usage " << name << "<option(s)> - ALL BUT -p, --platform MUST BE SPECIFIED\n"
<< "Options :\n"
<< "\t -f, --file\t\tA file which content will be parsed into a uint32_t array in a .cpp file\n"
<< "\t -o, --output\t\t.Cpp output file name\n"
<< "\t -d, --device\t\tOPTIONAL - device ip version in format <major>_<minor>_<revision>\n"
<< "\t -a, --array\t\tName of an uin32_t type array containing parsed input file" << std::endl;
}
std::string parseToCharArray(std::unique_ptr<uint8_t[]> &binary, size_t size, std::string &builtinName, std::string &deviceIp, bool isSpirV) {
std::ostringstream out;
bool deviceIpPresent = !deviceIp.empty();
out << "#include <cstddef>\n";
out << "#include <cstdint>\n\n";
out << "size_t " << builtinName;
if (deviceIpPresent) {
out << "BinarySize_" << deviceIp;
} else {
out << "BinarySize";
}
out << " = " << size << ";\n";
out << "uint32_t " << builtinName;
if (deviceIpPresent) {
out << "Binary_" << deviceIp;
} else {
out << "Binary";
}
out << "[" << (size + 3) / 4 << "] = {"
<< std::endl
<< " ";
uint32_t *binaryUint = reinterpret_cast<uint32_t *>(binary.get());
for (size_t i = 0; i < (size + 3) / 4; i++) {
if (i != 0) {
out << ", ";
if (i % 8 == 0) {
out << std::endl
<< " ";
}
}
if (i < size / 4) {
out << "0x" << std::hex << std::setw(8) << std::setfill('0') << binaryUint[i];
} else {
uint32_t lastBytes = size & 0x3;
uint32_t lastUint = 0;
uint8_t *pLastUint = (uint8_t *)&lastUint;
for (uint32_t j = 0; j < lastBytes; j++) {
pLastUint[sizeof(uint32_t) - 1 - j] = binary.get()[i * 4 + j];
}
out << "0x" << std::hex << std::setw(8) << std::setfill('0') << lastUint;
}
}
out << "};" << std::endl;
out << std::endl
<< "#include \"shared/source/built_ins/registry/built_ins_registry.h\"\n"
<< std::endl;
out << "namespace NEO {" << std::endl;
out << "static RegisterEmbeddedResource register" << builtinName;
isSpirV ? out << "Ir(" : out << "Bin(";
out << std::endl;
out << " \"";
deviceIp != "" ? out << deviceIp << "_" << builtinName : out << builtinName;
isSpirV ? out << ".builtin_kernel.spv\"," : out << ".builtin_kernel.bin\",";
out << std::endl;
out << " (const char *)" << builtinName;
if (deviceIpPresent) {
out << "Binary_" << deviceIp;
} else {
out << "Binary";
}
out << "," << std::endl;
out << " " << builtinName;
if (deviceIpPresent) {
out << "BinarySize_" << deviceIp;
} else {
out << "BinarySize";
}
out << ");" << std::endl;
out << "}" << std::endl;
return out.str();
}
int main(int argc, char *argv[]) {
if (argc < minArgCount) {
showUsage(argv[0]);
return 1;
}
std::string fileName;
std::string cppOutputName;
std::string arrayName;
std::string deviceIp = "";
size_t size = 0;
std::fstream inputFile;
bool isSpirV;
for (int i = 1; i < argc; i++) {
std::string arg = argv[i];
if ((arg == "-f") || (arg == "--file")) {
fileName = argv[++i];
} else if ((arg == "-o") || (arg == "--output")) {
cppOutputName = argv[++i];
} else if ((arg == "-a") || (arg == "--array")) {
arrayName = argv[++i];
} else if ((arg == "-d") || (arg == "--device")) {
deviceIp = argv[++i];
} else {
return 1;
}
}
if (fileName.empty() || cppOutputName.empty() || arrayName.empty()) {
std::cerr << "All three: fileName, cppOutputName and arrayName must be specified!" << std::endl;
return 1;
}
inputFile.open(fileName.c_str(), std::ios::in | std::ios::binary | std::ios::ate);
if (inputFile.is_open()) {
size = static_cast<size_t>(inputFile.tellg());
std::unique_ptr<uint8_t[]> memblock = std::make_unique<uint8_t[]>(size);
inputFile.clear();
inputFile.seekg(0, std::ios::beg);
inputFile.read(reinterpret_cast<char *>(memblock.get()), size);
inputFile.close();
isSpirV = fileName.find(".spv") != std::string::npos;
std::string cpp = parseToCharArray(memblock, size, arrayName, deviceIp, isSpirV);
std::fstream(cppOutputName.c_str(), std::ios::out | std::ios::binary).write(cpp.c_str(), cpp.size());
} else {
std::cerr << "File cannot be opened!" << std::endl;
return 1;
}
return 0;
}
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