Remove libc dependency for the generated code
This commit is contained in:
parent
189b2e6054
commit
8ea09ff3b4
GPG Key ID:
A27FDC1E8EE902C0
@ -116,12 +116,10 @@ namespace elna::riscv
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static void generate_intrinsics(std::shared_ptr<source::writer<std::byte>> writer,
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std::vector<reference>& references)
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{
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writer->sink("printf");
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{
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std::vector<instruction> instructions;
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auto format_string = writer->sink(reinterpret_cast<const std::byte *>("%c\n\0"), 4);
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prologue(instructions);
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instructions.push_back(instruction(base_opcode::opImm)
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.i(x_register::a1, funct3_t::addi, x_register::zero, 't'));
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instructions.push_back(instruction(base_opcode::branch)
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@ -129,42 +127,68 @@ namespace elna::riscv
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instructions.push_back(instruction(base_opcode::opImm)
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.i(x_register::a1, funct3_t::addi, x_register::zero, 'f'));
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relocate(format_string, address_t::high20, references, instructions, writer);
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instructions.push_back(instruction(base_opcode::lui).u(x_register::a5, 0));
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relocate(format_string, address_t::lower12i, references, instructions, writer);
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instructions.push_back(instruction(base_opcode::opImm)
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.i(x_register::a0, funct3_t::addi, x_register::a5, 0));
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.i(x_register::t0, funct3_t::addi, x_register::a0, 0));
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instructions.push_back(instruction(base_opcode::store)
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.s(0, funct3_t::sw, x_register::s0, x_register::a1));
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instructions.push_back(instruction(base_opcode::opImm)
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.i(x_register::a0, funct3_t::addi, x_register::zero, 1));
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instructions.push_back(instruction(base_opcode::opImm)
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.i(x_register::a1, funct3_t::addi, x_register::s0, 0));
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instructions.push_back(instruction(base_opcode::opImm)
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.i(x_register::a2, funct3_t::addi, x_register::zero, 1));
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instructions.push_back(instruction(base_opcode::opImm)
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.i(x_register::a7, funct3_t::addi, x_register::zero, 64));
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instructions.push_back(instruction(base_opcode::system)
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.i(x_register::zero, funct3_t::priv, x_register::zero, 0));
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relocate("printf", address_t::text, references, instructions ,writer);
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instructions.push_back(instruction(base_opcode::auipc).u(x_register::ra, 0));
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instructions.push_back(instruction(base_opcode::jalr)
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.i(x_register::ra, funct3_t::jalr, x_register::ra, 0));
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instructions.push_back(instruction(base_opcode::opImm)
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.i(x_register::t1, funct3_t::addi, x_register::zero, '\n'));
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instructions.push_back(instruction(base_opcode::store)
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.s(0, funct3_t::sw, x_register::s0, x_register::t1));
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instructions.push_back(instruction(base_opcode::system)
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.i(x_register::zero, funct3_t::priv, x_register::zero, 0));
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epilogue(8, instructions);
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instructions.push_back(instruction(base_opcode::opImm)
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.i(x_register::a0, funct3_t::addi, x_register::t0, 0));
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epilogue(12, instructions);
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writer->sink("writeb", reinterpret_cast<const std::byte *>(instructions.data()),
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instructions.size() * sizeof(instruction));
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}
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{
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std::vector<instruction> instructions;
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auto format_string = writer->sink(reinterpret_cast<const std::byte *>("%d\n\0"), 4);
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prologue(instructions);
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instructions.push_back(instruction(base_opcode::opImm)
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.i(x_register::a1, funct3_t::addi, x_register::a0, 0));
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relocate(format_string, address_t::high20, references, instructions, writer);
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instructions.push_back(instruction(base_opcode::lui).u(x_register::a5, 0));
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relocate(format_string, address_t::lower12i, references, instructions, writer);
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.i(x_register::t0, funct3_t::addi, x_register::a0, 0));
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instructions.push_back(instruction(base_opcode::opImm)
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.i(x_register::a0, funct3_t::addi, x_register::a5, 0));
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.i(x_register::a0, funct3_t::addi, x_register::a0, '0'));
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instructions.push_back(instruction(base_opcode::store)
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.s(0, funct3_t::sw, x_register::s0, x_register::a0));
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instructions.push_back(instruction(base_opcode::opImm)
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.i(x_register::a0, funct3_t::addi, x_register::zero, 1));
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instructions.push_back(instruction(base_opcode::opImm)
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.i(x_register::a1, funct3_t::addi, x_register::s0, 0));
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instructions.push_back(instruction(base_opcode::opImm)
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.i(x_register::a2, funct3_t::addi, x_register::zero, 1));
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instructions.push_back(instruction(base_opcode::opImm)
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.i(x_register::a7, funct3_t::addi, x_register::zero, 64));
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instructions.push_back(instruction(base_opcode::system)
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.i(x_register::zero, funct3_t::priv, x_register::zero, 0));
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relocate("printf", address_t::text, references, instructions, writer);
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instructions.push_back(instruction(base_opcode::auipc).u(x_register::ra, 0));
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instructions.push_back(instruction(base_opcode::jalr)
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.i(x_register::ra, funct3_t::jalr, x_register::ra, 0));
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instructions.push_back(instruction(base_opcode::opImm)
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.i(x_register::t1, funct3_t::addi, x_register::zero, '\n'));
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instructions.push_back(instruction(base_opcode::store)
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.s(0, funct3_t::sw, x_register::s0, x_register::t1));
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instructions.push_back(instruction(base_opcode::system)
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.i(x_register::zero, funct3_t::priv, x_register::zero, 0));
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epilogue(8, instructions);
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instructions.push_back(instruction(base_opcode::opImm)
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.i(x_register::a0, funct3_t::addi, x_register::t0, 0));
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epilogue(12, instructions);
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writer->sink("writei", reinterpret_cast<const std::byte *>(instructions.data()),
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instructions.size() * sizeof(instruction));
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@ -1,7 +1,6 @@
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#pragma once
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#include <cstdint>
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#include <string>
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#include <filesystem>
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#define BOOST_PROCESS_USE_STD_FS
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@ -39,7 +38,6 @@ namespace elna
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boost::asio::readable_pipe& read_pipe);
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int run_for_output(boost::asio::io_context& context, const std::uint8_t stream_number,
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const std::filesystem::path& binary, std::initializer_list<boost::string_view> arguments);
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std::string find_object(const std::vector<std::filesystem::path>& environment, const std::string& object);
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test_status build_test(boost::asio::io_context& context, const std::filesystem::directory_entry& test_entry);
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void run_test(boost::asio::io_context& context, const std::filesystem::path& test_entry);
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void print_result(const std::filesystem::path& test_entry, const test_status& result);
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@ -5,7 +5,7 @@
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"main": "tools/index.js",
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"type": "module",
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"scripts": {
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"start": "node tools/index.js"
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"cross": "node tools/cross.js"
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},
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"author": "Eugen Wissner <belka@caraus.de>",
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"license": "MPL-2.0"
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@ -165,7 +165,7 @@ namespace elna::source
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this->current.emplace_back(quadruple_operator::start);
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program->body().accept(this);
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this->current.emplace_back(quadruple_operator::stop);
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code["main"] = std::move(this->current);
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code["_start"] = std::move(this->current);
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}
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void intermediate_code_generator::visit(call_statement *statement)
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@ -44,7 +44,7 @@ namespace elna::source
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void name_analysis_visitor::visit(program *program)
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{
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class procedure_type main_type{ std::vector<std::shared_ptr<const class type>>(), this->pointer_size };
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this->table->enter("main", std::make_shared<procedure_info>(main_type, this->table));
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this->table->enter("_start", std::make_shared<procedure_info>(main_type, this->table));
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empty_visitor::visit(program);
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}
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@ -105,7 +105,7 @@ namespace elna::source
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this->argument_offset = 0;
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empty_visitor::visit(program);
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std::dynamic_pointer_cast<procedure_info>(table->lookup("main"))->local_stack_size =
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std::dynamic_pointer_cast<procedure_info>(table->lookup("_start"))->local_stack_size =
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std::abs(this->local_offset);
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}
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@ -1,2 +0,0 @@
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writei(3 + 4 + 5 + 1 + 2 + 4 + 3)
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.
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@ -1 +0,0 @@
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22
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@ -1 +1 @@
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10
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8
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@ -1 +1 @@
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24
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H
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@ -1,2 +1,2 @@
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writei(5 * 2)
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writei(4 * 2)
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.
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@ -3,7 +3,6 @@
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#include <filesystem>
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#include <iostream>
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#include <fstream>
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#include <algorithm>
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#include <boost/process/env.hpp>
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namespace elna
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@ -105,22 +104,6 @@ namespace elna
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return elna_child.wait();
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}
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std::string find_object(const std::vector<std::filesystem::path>& environment, const std::string& object)
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{
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auto variable = std::find(environment.cbegin(), environment.cend(), object);
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for (const auto& variable : environment)
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{
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auto full_path = variable / object;
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if (std::filesystem::exists(full_path))
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{
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return full_path.native();
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}
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}
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return object;
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}
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test_status build_test(boost::asio::io_context& context, const std::filesystem::directory_entry& test_entry)
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{
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const std::filesystem::path test_filename = test_entry.path().filename();
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@ -145,17 +128,7 @@ namespace elna
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std::vector<std::filesystem::path> environment;
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std::vector<std::string> linker_arguments = { "-o", test_binary.string() };
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for (const auto segment : boost::this_process::environment()["LIBRARY_PATH"].to_vector())
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{
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linker_arguments.push_back("-L" + segment);
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environment.push_back(std::filesystem::path(segment));
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}
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linker_arguments.push_back(find_object(environment, "crt0.o"));
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linker_arguments.push_back(find_object(environment, "crtbegin.o"));
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linker_arguments.push_back(test_object.string());
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linker_arguments.insert(linker_arguments.cend(),
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{ "--start-group", "-lgcc", "-lc", "-lgloss", "--end-group" });
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linker_arguments.push_back(find_object(environment, "crtend.o"));
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boost::process::v2::execute(boost::process::v2::process(context, boost::process::search_path("ld"),
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linker_arguments
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@ -248,7 +221,7 @@ namespace elna
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"-nographic",
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"-M", "virt",
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"-bios", "default",
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"-kernel", "build/tools/linux-5.15.158/arch/riscv/boot/Image",
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"-kernel", "build/tools/linux-5.15.159/arch/riscv/boot/Image",
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"-append", "quiet",
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"-initrd", "build/root.cpio"
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};
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@ -7,45 +7,57 @@ import { Buffer } from 'node:buffer'
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// Define constants.
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const tmp = path.resolve('./build/tools')
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const target = 'riscv32-unknown-linux-gnu'
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const baseDirectory = path.resolve('./tools')
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const busyboxVersion = '1.36.1'
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const kernelVersion = '5.15.158'
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const kernelVersion = '5.15.159'
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const gccVersion = '14.1.0'
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const binutilsVersion = '2.42'
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const glibcVersion = '2.39'
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function findBuildTarget () {
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async function gccVerbose (gccBinary) {
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const env = {
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LANG: 'en_US.UTF-8'
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...process.env,
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LANG: 'C'
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}
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const gccV = childProcess.spawn('gcc', ['--verbose'], { stdio: ['ignore', 'ignore', 'pipe'], env })
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const gccV = childProcess.spawn(gccBinary, ['--verbose'], { stdio: ['ignore', 'ignore', 'pipe'], env })
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const buffers = []
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gccV.stderr.on('data', function (data) {
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buffers.push(data)
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})
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return new Promise(function (resolve, reject) {
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gccV.on('exit', function () {
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const [_, target] = Buffer.concat(buffers)
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.toString()
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.split('\n')
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.find(line => line.startsWith('Target: '))
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.split(' ')
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resolve(target)
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resolve(Buffer.concat(buffers).toString())
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})
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})
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}
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function createImage (rootfs) {
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const rootExt4 = path.join(tmp, 'rootfs.ext4')
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async function findBuildTarget (gccVersion) {
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let gccBinary = 'gcc'
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let output = await gccVerbose(gccBinary)
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childProcess.execFileSync('dd', ['if=/dev/zero', `of=${rootExt4}`, 'bs=1M', 'count=1024'], { stdio: 'inherit' })
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childProcess.execFileSync('/sbin/mkfs.ext4', ['-d', rootfs, rootExt4], { stdio: 'inherit' })
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if (output.startsWith('Apple clang')) {
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gccBinary = `gcc-${gccVersion.split('.')[0]}`
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output = await gccVerbose(gccBinary)
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}
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return output
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.split('\n')
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.reduce(function (accumulator, line) {
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if (line.startsWith('Target: ')) {
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return {
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...accumulator,
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build: line.split(' ')[1]
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}
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} else if (line.startsWith('COLLECT_GCC')) {
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return {
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...accumulator,
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gcc: line.split('=')[1]
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}
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} else {
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return accumulator
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}
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}, {})
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}
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async function downloadAndUnarchive (url) {
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@ -89,70 +101,70 @@ async function downloadAndUnarchive (url) {
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})
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}
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async function buildBusyBox (sysroot, rootfs) {
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const cwd = await downloadAndUnarchive(new URL(`https://busybox.net/downloads/busybox-${busyboxVersion}.tar.bz2`))
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const env = {
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...process.env,
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CROSS_COMPILE: path.join(sysroot, 'bin', `${target}-`)
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}
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const configuration = [
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`CONFIG_PREFIX=${rootfs}`,
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`CONFIG_SYSROOT=${rootfs}`
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]
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childProcess.execFileSync('make', ['defconfig'], { stdio: 'inherit', env, cwd })
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childProcess.execFileSync('make', ['-j', os.availableParallelism()], { stdio: 'inherit', env, cwd })
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childProcess.execFileSync('make', [...configuration, 'install'], { stdio: 'inherit', env, cwd })
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async function copyGlibcHeaders () {
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const sourceDirectory = await downloadAndUnarchive(
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new URL(`https://ftp.gnu.org/gnu/glibc/glibc-${glibcVersion}.tar.xz`)
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)
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const includeDirectory = path.join(tmp, 'include')
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await fs.mkdir(includeDirectory)
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await fs.cp(path.join(sourceDirectory, 'elf/elf.h'), path.join(includeDirectory, 'elf.h'))
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return sourceDirectory
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}
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async function buildKernel (sysroot, rootfs) {
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async function buildKernel (rootfs, options) {
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const cwd = await downloadAndUnarchive(
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new URL(`https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-${kernelVersion}.tar.xz`)
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)
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const env = {
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...process.env,
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CROSS_COMPILE: `${target}-`,
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CROSS_COMPILE: `${options.target}-`,
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ARCH: 'riscv',
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PATH: `${path.join(sysroot, 'bin')}:${process.env['PATH']}`
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PATH: `${path.join(rootfs, 'bin')}:${process.env['PATH']}`,
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HOSTCFLAGS: `-D_UUID_T -D__GETHOSTUUID_H -I${path.join(tmp, 'include')}`
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}
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childProcess.execFileSync('make', ['rv32_defconfig'], { stdio: 'inherit', env, cwd })
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childProcess.execFileSync('make', ['-j', os.availableParallelism()], { stdio: 'inherit', env, cwd })
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childProcess.execFileSync('make', ['headers'], { stdio: 'inherit', env, cwd })
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const userDirectory = path.join(rootfs, 'usr')
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const userDirectory = path.join(options.sysroot, 'usr')
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await fs.cp(path.join(cwd, 'usr/include'), path.join(userDirectory, 'include'), { recursive: true })
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return path.join(cwd, 'arch/riscv/boot/Image')
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}
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async function buildInit (sysroot) {
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async function buildInit (rootfs, options) {
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const env = {
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...process.env,
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PATH: `${path.join(sysroot, 'bin')}:${process.env['PATH']}`
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PATH: `${path.join(rootfs, 'bin')}:${process.env['PATH']}`
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}
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const compilerArguments = [
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'-ffreestanding', '-static',
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'-o', path.join(tmp, 'init'),
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path.join(baseDirectory, 'init.cpp')
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path.join(baseDirectory, 'init.c')
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]
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childProcess.execFileSync('riscv32-unknown-linux-gnu-g++', compilerArguments, { stdio: 'inherit', env })
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childProcess.execFileSync('riscv32-unknown-linux-gnu-gcc', compilerArguments, { stdio: 'inherit', env })
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}
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async function buildGlibc (sysroot, rootfs, options) {
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const sourceDirectory = await downloadAndUnarchive(
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new URL(`https://ftp.gnu.org/gnu/glibc/glibc-${glibcVersion}.tar.xz`)
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)
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async function buildGlibc (sourceDirectory, rootfs, options) {
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const configureOptions = [
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'--prefix=/usr',
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'--libdir=/usr/lib',
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`--host=${target}`,
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`--host=${options.target}`,
|
||||
`--target=${options.target}`,
|
||||
`--build=${options.build}`,
|
||||
`--enable-kernel=${kernelVersion}`,
|
||||
`--with-headers=${path.join(rootfs, 'usr/include')}`,
|
||||
'--disable-nscd'
|
||||
`--with-headers=${path.join(options.sysroot, 'usr/include')}`,
|
||||
'--disable-nscd',
|
||||
'--disable-libquadmath',
|
||||
'--disable-libitm',
|
||||
'--disable-werror',
|
||||
'libc_cv_forced_unwind=yes'
|
||||
]
|
||||
const bin = path.join(rootfs, 'bin')
|
||||
const env = {
|
||||
...process.env,
|
||||
PATH: `${path.join(sysroot, 'bin')}:${process.env['PATH']}`
|
||||
PATH: `${path.join(rootfs, 'bin')}:${process.env['PATH']}`
|
||||
}
|
||||
const cwd = path.join(path.dirname(sourceDirectory), 'build-glibc');
|
||||
await fs.mkdir(cwd)
|
||||
@ -163,35 +175,42 @@ async function buildGlibc (sysroot, rootfs, options) {
|
||||
cwd
|
||||
})
|
||||
childProcess.execFileSync('make', ['-j', os.availableParallelism()], { stdio: 'inherit', env, cwd })
|
||||
childProcess.execFileSync('make', [`DESTDIR=${rootfs}`, 'install'], { stdio: 'inherit', env, cwd })
|
||||
childProcess.execFileSync('make', [`install_root=${options.sysroot}`, 'install'], { stdio: 'inherit', env, cwd })
|
||||
}
|
||||
|
||||
async function buildCrossBinutils (sysroot) {
|
||||
async function buildCrossBinutils (rootfs, options) {
|
||||
const sourceDirectory = await downloadAndUnarchive(
|
||||
new URL(`https://ftp.gnu.org/gnu/binutils/binutils-${binutilsVersion}.tar.xz`)
|
||||
)
|
||||
const cwd = path.join(path.dirname(sourceDirectory), 'build-binutils');
|
||||
await fs.mkdir(cwd)
|
||||
|
||||
const env = {
|
||||
...process.env,
|
||||
CC: options.gcc,
|
||||
CXX: options.gxx
|
||||
}
|
||||
const configureOptions = [
|
||||
`--prefix=${sysroot}`,
|
||||
`--target=${target}`,
|
||||
`--prefix=${rootfs}`,
|
||||
`--target=${options.target}`,
|
||||
'--disable-nls',
|
||||
'--enable-gprofng=no',
|
||||
'--disable-werror',
|
||||
'--enable-default-hash-style=gnu'
|
||||
'--enable-default-hash-style=gnu',
|
||||
'--disable-libquadmath'
|
||||
]
|
||||
childProcess.execFileSync(path.join(path.relative(cwd, sourceDirectory), 'configure'), configureOptions, {
|
||||
stdio: 'inherit',
|
||||
cwd
|
||||
cwd,
|
||||
env
|
||||
})
|
||||
childProcess.execFileSync('make', ['-j', os.availableParallelism()], { stdio: 'inherit', cwd })
|
||||
childProcess.execFileSync('make', ['install'], { stdio: 'inherit', cwd })
|
||||
childProcess.execFileSync('make', ['-j', os.availableParallelism()], { stdio: 'inherit', cwd, env })
|
||||
childProcess.execFileSync('make', ['install'], { stdio: 'inherit', cwd, env })
|
||||
|
||||
return sourceDirectory
|
||||
}
|
||||
|
||||
async function buildGCC1 (sysroot, rootfs, options) {
|
||||
async function buildGCC1 (rootfs, options) {
|
||||
const sourceDirectory = await downloadAndUnarchive(
|
||||
new URL(`https://gcc.gnu.org/pub/gcc/releases/gcc-${gccVersion}/gcc-${gccVersion}.tar.xz`)
|
||||
)
|
||||
@ -203,8 +222,8 @@ async function buildGCC1 (sysroot, rootfs, options) {
|
||||
cwd: sourceDirectory
|
||||
})
|
||||
const configureOptions = [
|
||||
`--prefix=${sysroot}`,
|
||||
`--with-sysroot=${rootfs}`,
|
||||
`--prefix=${rootfs}`,
|
||||
`--with-sysroot=${options.sysroot}`,
|
||||
'--enable-languages=c,c++',
|
||||
'--disable-shared',
|
||||
'--with-arch=rv32imafdc',
|
||||
@ -225,16 +244,18 @@ async function buildGCC1 (sysroot, rootfs, options) {
|
||||
'--disable-nls',
|
||||
'--with-newlib',
|
||||
'--without-headers',
|
||||
`--target=${target}`,
|
||||
`--target=${options.target}`,
|
||||
`--build=${options.build}`,
|
||||
`--host=${options.build}`
|
||||
]
|
||||
const flags = '-O2 -fPIC'
|
||||
const env = {
|
||||
...process.env,
|
||||
CC: options.gcc,
|
||||
CXX: options.gxx,
|
||||
CFLAGS: flags,
|
||||
CXXFLAGS: flags,
|
||||
PATH: `${path.join(sysroot, 'bin')}:${process.env['PATH']}`
|
||||
PATH: `${path.join(rootfs, 'bin')}:${process.env['PATH']}`
|
||||
}
|
||||
childProcess.execFileSync(path.join(path.relative(cwd, sourceDirectory), 'configure'), configureOptions, {
|
||||
stdio: 'inherit',
|
||||
@ -247,45 +268,14 @@ async function buildGCC1 (sysroot, rootfs, options) {
|
||||
return sourceDirectory
|
||||
}
|
||||
|
||||
async function buildBinutils (sourceDirectory, sysroot, rootfs, options) {
|
||||
const cwd = path.join(path.dirname(sourceDirectory), 'build-binutils');
|
||||
await fs.rm(cwd, { recursive: true, force: true })
|
||||
await fs.mkdir(cwd)
|
||||
|
||||
const configureOptions = [
|
||||
'--prefix=/usr',
|
||||
`--build=${options.build}`,
|
||||
`--host=${target}`,
|
||||
`--with-build-sysroot=${rootfs}`,
|
||||
'--disable-nls',
|
||||
'--enable-shared',
|
||||
'--enable-gprofng=no',
|
||||
'--disable-werror',
|
||||
'--enable-default-hash-style=gnu'
|
||||
]
|
||||
const env = {
|
||||
...process.env,
|
||||
PATH: `${path.join(sysroot, 'bin')}:${process.env['PATH']}`
|
||||
}
|
||||
childProcess.execFileSync(path.join(path.relative(cwd, sourceDirectory), 'configure'), configureOptions, {
|
||||
stdio: 'inherit',
|
||||
env,
|
||||
cwd
|
||||
})
|
||||
childProcess.execFileSync('make', ['-j', os.availableParallelism()], { stdio: 'inherit', env, cwd })
|
||||
childProcess.execFileSync('make', [`DESTDIR=${rootfs}`, 'install'], { stdio: 'inherit', env, cwd })
|
||||
|
||||
return sourceDirectory
|
||||
}
|
||||
|
||||
async function buildGCC2 (sourceDirectory, sysroot, rootfs, options) {
|
||||
async function buildGCC2 (sourceDirectory, rootfs, options) {
|
||||
const cwd = path.join(path.dirname(sourceDirectory), 'build-gcc');
|
||||
await fs.rm(cwd, { recursive: true, force: true })
|
||||
await fs.mkdir(cwd)
|
||||
|
||||
const configureOptions = [
|
||||
`--prefix=${sysroot}`,
|
||||
`--with-sysroot=${rootfs}`,
|
||||
`--prefix=${rootfs}`,
|
||||
`--with-sysroot=${options.sysroot}`,
|
||||
'--enable-languages=c,c++,lto',
|
||||
'--enable-lto',
|
||||
'--enable-shared',
|
||||
@ -297,10 +287,11 @@ async function buildGCC2 (sourceDirectory, sysroot, rootfs, options) {
|
||||
'--disable-multilib',
|
||||
'--enable-checking=release',
|
||||
'--disable-libssp',
|
||||
'--disable-libquadmath',
|
||||
'--enable-threads=posix',
|
||||
'--with-default-libstdcxx-abi=new',
|
||||
'--disable-nls',
|
||||
`--target=${target}`,
|
||||
`--target=${options.target}`,
|
||||
`--build=${options.build}`,
|
||||
`--host=${options.build}`
|
||||
]
|
||||
@ -309,7 +300,7 @@ async function buildGCC2 (sourceDirectory, sysroot, rootfs, options) {
|
||||
...process.env,
|
||||
CFLAGS: flags,
|
||||
CXXFLAGS: flags,
|
||||
PATH: `${path.join(sysroot, 'bin')}:${process.env['PATH']}`
|
||||
PATH: `${path.join(rootfs, 'bin')}:${process.env['PATH']}`
|
||||
}
|
||||
childProcess.execFileSync(path.join(path.relative(cwd, sourceDirectory), 'configure'), configureOptions, {
|
||||
stdio: 'inherit',
|
||||
@ -320,83 +311,25 @@ async function buildGCC2 (sourceDirectory, sysroot, rootfs, options) {
|
||||
childProcess.execFileSync('make', ['install'], { stdio: 'inherit', env, cwd })
|
||||
}
|
||||
|
||||
async function buildGCC3 (sourceDirectory, sysroot, rootfs, options) {
|
||||
const cwd = path.join(path.dirname(sourceDirectory), 'build-gcc');
|
||||
await fs.rm(cwd, { recursive: true, force: true })
|
||||
await fs.mkdir(cwd)
|
||||
|
||||
const configureOptions = [
|
||||
`--prefix=/usr`,
|
||||
`--libdir=/usr/lib`,
|
||||
'--enable-languages=c,c++,lto',
|
||||
'--enable-lto',
|
||||
'--enable-shared',
|
||||
'--with-arch=rv32imafdc',
|
||||
'--with-abi=ilp32d',
|
||||
'--with-tune=rocket',
|
||||
'--with-isa-spec=20191213',
|
||||
'--disable-bootstrap',
|
||||
'--disable-multilib',
|
||||
'--enable-checking=release',
|
||||
'--disable-libssp',
|
||||
'--enable-threads=posix',
|
||||
'--with-default-libstdcxx-abi=new',
|
||||
'--disable-nls',
|
||||
`--target=${target}`,
|
||||
`--build=${options.build}`,
|
||||
`--host=${target}`
|
||||
]
|
||||
const flags = '-O2 -fPIC'
|
||||
const env = {
|
||||
...process.env,
|
||||
CFLAGS: flags,
|
||||
CXXFLAGS: flags,
|
||||
PATH: `${path.join(sysroot, 'bin')}:${process.env['PATH']}`
|
||||
}
|
||||
childProcess.execFileSync(path.join(path.relative(cwd, sourceDirectory), 'configure'), configureOptions, {
|
||||
stdio: 'inherit',
|
||||
env,
|
||||
cwd
|
||||
})
|
||||
childProcess.execFileSync('make', ['-j', os.availableParallelism()], { stdio: 'inherit', env, cwd })
|
||||
childProcess.execFileSync('make', [`DESTDIR=${rootfs}`, 'install'], { stdio: 'inherit', env, cwd })
|
||||
|
||||
}
|
||||
|
||||
async function createRoot (rootfs) {
|
||||
for (const directory of ['proc', 'sys', 'dev', 'etc/init.d', 'usr/local', 'usr/local/bin']) {
|
||||
await fs.mkdir(path.join(rootfs, directory))
|
||||
}
|
||||
await fs.cp(path.join(baseDirectory, 'files/fstab'), path.join(rootfs, 'etc/fstab'))
|
||||
await fs.cp(path.join(baseDirectory, 'files/rcS'), path.join(rootfs, 'etc/init.d/rcS'))
|
||||
await fs.cp(path.join(baseDirectory, 'files/rcK'), path.join(rootfs, 'etc/init.d/rcK'))
|
||||
await fs.cp(path.join(baseDirectory, 'files/inittab'), path.join(rootfs, 'etc/inittab'))
|
||||
}
|
||||
|
||||
const sysroot = path.join(tmp, 'sysroot')
|
||||
const rootfs = path.join(tmp, 'rootfs')
|
||||
|
||||
const options = {
|
||||
build: await findBuildTarget()
|
||||
}
|
||||
const options = await findBuildTarget(gccVersion)
|
||||
options.gxx = options.gcc.replaceAll('c', '+')
|
||||
options.sysroot = path.join(tmp, 'sysroot')
|
||||
options.target = 'riscv32-unknown-linux-gnu'
|
||||
|
||||
for (const targetDirectory of [tmp, sysroot, rootfs]) {
|
||||
for (const targetDirectory of [tmp, rootfs]) {
|
||||
await fs.rm(targetDirectory, { recursive: true, force: true })
|
||||
await fs.mkdir(targetDirectory)
|
||||
}
|
||||
|
||||
const binutilsSource = await buildCrossBinutils(sysroot)
|
||||
const gccSource = await buildGCC1(sysroot, rootfs, options)
|
||||
const binutilsSource = await buildCrossBinutils(rootfs, options)
|
||||
const gccSource = await buildGCC1(rootfs, options)
|
||||
|
||||
const kernelImage = await buildKernel(sysroot, rootfs)
|
||||
await buildGlibc(sysroot, rootfs, options)
|
||||
await buildBinutils(binutilsSource, sysroot, rootfs, options)
|
||||
await buildGCC2(gccSource, sysroot, rootfs, options)
|
||||
buildInit (sysroot)
|
||||
const glibcSource = await copyGlibcHeaders()
|
||||
const kernelImage = await buildKernel(rootfs, options)
|
||||
await buildGlibc(glibcSource, rootfs, options)
|
||||
await buildGCC2(gccSource, rootfs, options)
|
||||
buildInit (rootfs, options)
|
||||
|
||||
await buildBusyBox(sysroot, rootfs)
|
||||
await createRoot(rootfs)
|
||||
|
||||
await buildGCC3(gccSource, sysroot, rootfs, options)
|
||||
createImage(rootfs)
|
||||
console.log(kernelImage)
|
||||
205
tools/init.c
Normal file
205
tools/init.c
Normal file
@ -0,0 +1,205 @@
|
||||
#include <stdio.h>
|
||||
#include <dirent.h>
|
||||
#include <fcntl.h>
|
||||
#include <unistd.h>
|
||||
#include <sys/stat.h>
|
||||
#include <sys/wait.h>
|
||||
#include <sys/reboot.h>
|
||||
|
||||
#define FILENAME_BUFFER_SIZE 256
|
||||
|
||||
size_t read_command(int descriptor, char *command_buffer)
|
||||
{
|
||||
ssize_t bytes_read = 0;
|
||||
size_t read_so_far = 0;
|
||||
|
||||
while ((bytes_read = read(descriptor, command_buffer + read_so_far, FILENAME_BUFFER_SIZE - read_so_far - 1)) > 0)
|
||||
{
|
||||
read_so_far += bytes_read;
|
||||
if (read_so_far >= FILENAME_BUFFER_SIZE - 1)
|
||||
{
|
||||
break;
|
||||
}
|
||||
}
|
||||
command_buffer[read_so_far] = 0;
|
||||
return read_so_far;
|
||||
}
|
||||
|
||||
enum status
|
||||
{
|
||||
status_success,
|
||||
status_failure,
|
||||
status_warning,
|
||||
status_fatal
|
||||
};
|
||||
|
||||
unsigned int make_path(char *destination, const char *directory, const char *filename, const char *extension)
|
||||
{
|
||||
unsigned int i = 0;
|
||||
|
||||
for (; i < FILENAME_BUFFER_SIZE; i++)
|
||||
{
|
||||
if (directory[i] == 0)
|
||||
{
|
||||
break;
|
||||
}
|
||||
destination[i] = directory[i];
|
||||
}
|
||||
for (int j = 0; i < FILENAME_BUFFER_SIZE; i++, j++)
|
||||
{
|
||||
if (filename[j] == 0)
|
||||
{
|
||||
break;
|
||||
}
|
||||
destination[i] = filename[j];
|
||||
}
|
||||
if (extension == NULL)
|
||||
{
|
||||
goto done;
|
||||
}
|
||||
for (int j = 0; i < FILENAME_BUFFER_SIZE; i++, j++)
|
||||
{
|
||||
if (extension[j] == 0)
|
||||
{
|
||||
break;
|
||||
}
|
||||
destination[i] = extension[j];
|
||||
}
|
||||
done:
|
||||
destination[i] = 0;
|
||||
|
||||
return i;
|
||||
}
|
||||
|
||||
enum status run_test(const char *file_entry_name)
|
||||
{
|
||||
printf("Running %s. ", file_entry_name);
|
||||
|
||||
char filename[FILENAME_BUFFER_SIZE];
|
||||
char command_buffer[FILENAME_BUFFER_SIZE];
|
||||
char file_buffer[256];
|
||||
int pipe_ends[2];
|
||||
|
||||
if (pipe(pipe_ends) == -1)
|
||||
{
|
||||
perror("pipe");
|
||||
return status_fatal;
|
||||
}
|
||||
make_path(filename, "./tests/", file_entry_name, NULL);
|
||||
|
||||
int child_pid = fork();
|
||||
if (child_pid == -1)
|
||||
{
|
||||
return status_fatal;
|
||||
}
|
||||
else if (child_pid == 0)
|
||||
{
|
||||
close(STDIN_FILENO);
|
||||
close(STDERR_FILENO);
|
||||
close(pipe_ends[0]); // Close the read end.
|
||||
|
||||
if (dup2(pipe_ends[1], STDOUT_FILENO) == -1)
|
||||
{
|
||||
perror("dup2");
|
||||
}
|
||||
else
|
||||
{
|
||||
execl(filename, filename);
|
||||
perror("execl");
|
||||
}
|
||||
close(STDOUT_FILENO);
|
||||
close(pipe_ends[1]);
|
||||
_exit(1);
|
||||
}
|
||||
else
|
||||
{
|
||||
close(pipe_ends[1]); // Close the write end.
|
||||
read_command(pipe_ends[0], command_buffer);
|
||||
close(pipe_ends[0]);
|
||||
|
||||
int wait_status = 0;
|
||||
wait(&wait_status);
|
||||
|
||||
make_path(filename, "./expectations/", file_entry_name, ".txt");
|
||||
|
||||
FILE *expectation_descriptor = fopen(filename, "r");
|
||||
|
||||
if (expectation_descriptor == NULL)
|
||||
{
|
||||
return status_warning;
|
||||
}
|
||||
size_t read_from_file = fread(file_buffer, 1, sizeof(file_buffer) - 1, expectation_descriptor);
|
||||
fclose(expectation_descriptor);
|
||||
|
||||
file_buffer[read_from_file] = 0;
|
||||
for (unsigned int i = 0; ; ++i)
|
||||
{
|
||||
if (command_buffer[i] == 0 && file_buffer[i] == 0)
|
||||
{
|
||||
fwrite("\n", 1, 1, stdout);
|
||||
return status_success;
|
||||
}
|
||||
else if (command_buffer[i] != file_buffer[i])
|
||||
{
|
||||
printf("Failed. Got:\n%s", command_buffer);
|
||||
return status_failure;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
struct summary
|
||||
{
|
||||
size_t total;
|
||||
size_t failure;
|
||||
size_t success;
|
||||
};
|
||||
|
||||
void walk()
|
||||
{
|
||||
DIR *directory_stream = opendir("./tests");
|
||||
struct dirent *file_entry;
|
||||
|
||||
struct summary test_summary = { .total = 0, .failure = 0, .success = 0 };
|
||||
|
||||
while ((file_entry = readdir(directory_stream)) != NULL)
|
||||
{
|
||||
if (file_entry->d_name[0] == '.')
|
||||
{
|
||||
continue;
|
||||
}
|
||||
++test_summary.total;
|
||||
switch (run_test(file_entry->d_name))
|
||||
{
|
||||
case status_failure:
|
||||
++test_summary.failure;
|
||||
break;
|
||||
case status_success:
|
||||
++test_summary.success;
|
||||
break;
|
||||
case status_warning:
|
||||
break;
|
||||
case status_fatal:
|
||||
goto end_walk;
|
||||
}
|
||||
}
|
||||
printf("Successful: %lu, Failed: %lu, Total: %lu.\n",
|
||||
test_summary.success, test_summary.failure, test_summary.total);
|
||||
end_walk:
|
||||
closedir(directory_stream);
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
int dev_console = open("/dev/console", O_WRONLY);
|
||||
if (dev_console != -1)
|
||||
{
|
||||
dup2(dev_console, STDOUT_FILENO);
|
||||
walk();
|
||||
close(dev_console);
|
||||
}
|
||||
sync();
|
||||
reboot(RB_POWER_OFF);
|
||||
|
||||
return 1;
|
||||
}
|
||||
185
tools/init.cpp
185
tools/init.cpp
@ -1,185 +0,0 @@
|
||||
#include <algorithm>
|
||||
#include <memory>
|
||||
#include <cstdlib>
|
||||
#include <cstdio>
|
||||
#include <cstring>
|
||||
#include <dirent.h>
|
||||
#include <fcntl.h>
|
||||
#include <unistd.h>
|
||||
#include <sys/stat.h>
|
||||
#include <sys/wait.h>
|
||||
#include <sys/reboot.h>
|
||||
|
||||
template<std::size_t size>
|
||||
std::size_t read_command(int descriptor, char *command_buffer)
|
||||
{
|
||||
std::ptrdiff_t bytes_read{ 0 };
|
||||
std::size_t read_so_far{ 0 };
|
||||
|
||||
while ((bytes_read = read(descriptor, command_buffer + read_so_far, size - read_so_far - 1)) > 0)
|
||||
{
|
||||
read_so_far += bytes_read;
|
||||
if (read_so_far >= size - 1)
|
||||
{
|
||||
break;
|
||||
}
|
||||
}
|
||||
command_buffer[read_so_far] = 0;
|
||||
return read_so_far;
|
||||
}
|
||||
|
||||
enum class status
|
||||
{
|
||||
success,
|
||||
failure,
|
||||
warning,
|
||||
fatal
|
||||
};
|
||||
|
||||
template<std::size_t size>
|
||||
void make_path(char *destination, const char *directory, const char *filename, const char *extension)
|
||||
{
|
||||
memcpy(destination, directory, strlen(directory));
|
||||
std::size_t remaining_space = size - strlen(directory);
|
||||
|
||||
if (extension != nullptr)
|
||||
{
|
||||
remaining_space -= strlen(extension) + 1;
|
||||
}
|
||||
strncpy(destination + strlen(directory), filename, remaining_space);
|
||||
|
||||
if (extension != nullptr)
|
||||
{
|
||||
strncpy(destination + strlen(destination), extension, strlen(extension));
|
||||
}
|
||||
}
|
||||
|
||||
status run_test(const char *file_entry_name)
|
||||
{
|
||||
printf("Running %s. ", file_entry_name);
|
||||
|
||||
char filename[256];
|
||||
char command_buffer[256];
|
||||
char file_buffer[256];
|
||||
int pipe_ends[2];
|
||||
|
||||
if (pipe(pipe_ends) == -1)
|
||||
{
|
||||
perror("pipe");
|
||||
return status::fatal;
|
||||
}
|
||||
make_path<sizeof(filename)>(filename, "./tests/", file_entry_name, nullptr);
|
||||
|
||||
auto child_pid = fork();
|
||||
if (child_pid == -1)
|
||||
{
|
||||
return status::fatal;
|
||||
}
|
||||
else if (child_pid == 0)
|
||||
{
|
||||
close(STDIN_FILENO);
|
||||
close(STDERR_FILENO);
|
||||
close(pipe_ends[0]); // Close the read end.
|
||||
|
||||
if (dup2(pipe_ends[1], STDOUT_FILENO) == -1)
|
||||
{
|
||||
perror("dup2");
|
||||
}
|
||||
else
|
||||
{
|
||||
execl(filename, filename);
|
||||
perror("execl");
|
||||
}
|
||||
close(STDOUT_FILENO);
|
||||
close(pipe_ends[1]);
|
||||
std::exit(1);
|
||||
}
|
||||
else
|
||||
{
|
||||
close(pipe_ends[1]); // Close the write end.
|
||||
auto read_from_command = read_command<sizeof(command_buffer)>(pipe_ends[0], command_buffer);
|
||||
close(pipe_ends[0]);
|
||||
|
||||
int wait_status{ 0 };
|
||||
wait(&wait_status);
|
||||
|
||||
make_path<sizeof(filename)>(filename, "./expectations/", file_entry_name, ".txt");
|
||||
|
||||
std::unique_ptr<FILE, int(*)(FILE *)> expectation_descriptor(fopen(filename, "r"), &fclose);
|
||||
|
||||
if (expectation_descriptor == nullptr)
|
||||
{
|
||||
return status::warning;
|
||||
}
|
||||
auto read_from_file = fread(file_buffer, 1, sizeof(file_buffer) - 1, expectation_descriptor.get());
|
||||
file_buffer[std::max<std::ptrdiff_t>(0, read_from_file)] = 0;
|
||||
|
||||
if (strcmp(command_buffer, file_buffer) != 0)
|
||||
{
|
||||
printf("Failed. Got:\n%s", command_buffer);
|
||||
|
||||
return status::failure;
|
||||
}
|
||||
else
|
||||
{
|
||||
fwrite("\n", 1, 1, stdout);
|
||||
return status::success;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
struct summary
|
||||
{
|
||||
std::size_t total{ 0 };
|
||||
std::size_t failure{ 0 };
|
||||
std::size_t success{ 0 };
|
||||
};
|
||||
|
||||
void walk()
|
||||
{
|
||||
auto directory_stream = opendir("./tests");
|
||||
dirent *file_entry;
|
||||
|
||||
summary test_summary;
|
||||
|
||||
while ((file_entry = readdir(directory_stream)) != nullptr)
|
||||
{
|
||||
if (file_entry->d_name[0] == '.')
|
||||
{
|
||||
continue;
|
||||
}
|
||||
++test_summary.total;
|
||||
switch (run_test(file_entry->d_name))
|
||||
{
|
||||
case status::failure:
|
||||
++test_summary.failure;
|
||||
break;
|
||||
case status::success:
|
||||
++test_summary.success;
|
||||
break;
|
||||
case status::warning:
|
||||
break;
|
||||
case status::fatal:
|
||||
goto end_walk;
|
||||
}
|
||||
}
|
||||
printf("Successful: %lu, Failed: %lu, Total: %lu.\n",
|
||||
test_summary.success, test_summary.failure, test_summary.total);
|
||||
end_walk:
|
||||
closedir(directory_stream);
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
auto dev_console = open("/dev/console", O_WRONLY);
|
||||
if (dev_console != -1)
|
||||
{
|
||||
dup2(dev_console, STDOUT_FILENO);
|
||||
walk();
|
||||
close(dev_console);
|
||||
}
|
||||
sync();
|
||||
reboot(RB_POWER_OFF);
|
||||
|
||||
return 1;
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user