diff options
Diffstat (limited to 'kernel/src')
3 files changed, 93 insertions, 67 deletions
diff --git a/kernel/src/acpi/manager.cpp b/kernel/src/acpi/manager.cpp index 501ce92..5876799 100644 --- a/kernel/src/acpi/manager.cpp +++ b/kernel/src/acpi/manager.cpp @@ -8,8 +8,10 @@ #include <acpi/acpi.hpp> +#include <algorithm> #include <cstddef> #include <cstdint> +#include <ranges> #include <string_view> namespace kernel::acpi @@ -32,7 +34,7 @@ namespace kernel::acpi } auto physical_extended_table_address = kapi::memory::physical_address{xsdp->table_address()}; auto linear_extended_table_address = kapi::memory::hhdm_to_linear(physical_extended_table_address); - m_rsdt = static_cast<::acpi::sdt const *>(linear_extended_table_address); + m_rsdt = static_cast<::acpi::xsdt const *>(linear_extended_table_address); m_extended = true; } else @@ -43,7 +45,7 @@ namespace kernel::acpi } auto physical_root_table_address = kapi::memory::physical_address{m_sdp->table_address()}; auto linear_root_table_address = kapi::memory::hhdm_to_linear(physical_root_table_address); - m_rsdt = static_cast<::acpi::sdt const *>(linear_root_table_address); + m_rsdt = static_cast<::acpi::rsdt const *>(linear_root_table_address); } } @@ -54,29 +56,12 @@ namespace kernel::acpi kapi::system::panic("[OS:ACPI] Invalid RSDT checksum!"); } - auto entry_size = m_extended ? sizeof(std::uint64_t) : sizeof(std::uint32_t); - auto entry_count = (m_rsdt->length().value - sizeof(::acpi::sdt)) / entry_size; - auto entries_base = reinterpret_cast<std::byte const *>(m_rsdt) + sizeof(::acpi::sdt); + auto check_and_register_table = [&](auto table_address) -> void { + auto physical_table_address = kapi::memory::physical_address{reinterpret_cast<std::uintptr_t>(table_address)}; + auto mapped_table = kapi::memory::hhdm_to_linear(physical_table_address); + auto table = static_cast<::acpi::table_header const *>(mapped_table); - for (std::size_t i = 0; i < entry_count; ++i) - { - auto physical_table_address = kapi::memory::physical_address{}; - - if (m_extended) - { - auto entry = reinterpret_cast<std::uint64_t const *>(entries_base + (i * entry_size)); - physical_table_address = kapi::memory::physical_address{*entry}; - } - else - { - auto entry = reinterpret_cast<std::uint32_t const *>(entries_base + (i * entry_size)); - physical_table_address = kapi::memory::physical_address{*entry}; - } - - auto linear_table_address = kapi::memory::hhdm_to_linear(physical_table_address); - auto table = static_cast<::acpi::sdt const *>(linear_table_address); - - if (!::acpi::validate_checksum({reinterpret_cast<std::byte const *>(table), table->length().value})) + if (!::acpi::validate_checksum({static_cast<std::byte const *>(mapped_table), table->length().value})) { kstd::println(kstd::print_sink::stderr, "[OS:ACPI] Invalid table checksum!"); } @@ -85,12 +70,25 @@ namespace kernel::acpi kstd::println("[OS:ACPI] Found '{}' ACPI table", table->signature()); m_tables.emplace(table->signature(), table); } + }; + + if (m_extended) + { + auto xsdt = static_cast<::acpi::xsdt const *>(m_rsdt); + std::ranges::for_each(*xsdt | std::views::transform([](auto const & entry) { return entry.address(); }), + check_and_register_table); + } + else + { + auto rsdt = static_cast<::acpi::rsdt const *>(m_rsdt); + std::ranges::for_each(*rsdt | std::views::transform([](auto const & entry) { return entry.address(); }), + check_and_register_table); } return !m_tables.empty(); } - auto manager::get_table(std::string_view signature) -> kstd::observer_ptr<::acpi::sdt const> + auto manager::get_table(std::string_view signature) -> kstd::observer_ptr<::acpi::table_header const> { if (m_tables.contains(signature)) { diff --git a/kernel/src/test_support/filesystem/storage_boot_module_fixture.cpp b/kernel/src/test_support/filesystem/storage_boot_module_fixture.cpp index a139f63..cd8360b 100644 --- a/kernel/src/test_support/filesystem/storage_boot_module_fixture.cpp +++ b/kernel/src/test_support/filesystem/storage_boot_module_fixture.cpp @@ -8,17 +8,72 @@ #include "kernel/test_support/boot_modules.hpp" #include "kernel/test_support/devices/storage/management.hpp" -#include <kstd/string> -#include <kstd/vector> - #include <cstddef> +#include <fcntl.h> #include <filesystem> -#include <fstream> -#include <ios> +#include <format> #include <stdexcept> +#include <string> +#include <sys/mman.h> +#include <sys/stat.h> +#include <unistd.h> +#include <utility> +#include <vector> namespace kernel::tests::filesystem { + storage_boot_module_fixture::mapped_image::mapped_image(std::filesystem::path path) + : file_descriptor(::open(path.c_str(), O_RDWR)) + { + if (file_descriptor < 0) + { + throw std::runtime_error{"Failed to open image file for test boot module: " + path.string()}; + } + + struct stat statistics{}; + if (::fstat(file_descriptor, &statistics) < 0) + { + throw std::runtime_error{"Failed to get statistics for image file: " + path.string()}; + } + + size = static_cast<std::size_t>(statistics.st_size); + + mapping = static_cast<std::byte *>(::mmap(nullptr, size, PROT_READ | PROT_WRITE, MAP_PRIVATE, file_descriptor, 0)); + if (mapping == MAP_FAILED) + { + throw std::runtime_error{"Failed to map image file for test boot module: " + path.string()}; + } + } + + storage_boot_module_fixture::mapped_image::~mapped_image() + { + if (mapping != nullptr) + { + ::munmap(mapping, size); + } + if (file_descriptor >= 0) + { + ::close(file_descriptor); + } + } + + storage_boot_module_fixture::mapped_image::mapped_image(mapped_image && other) noexcept + : file_descriptor{std::exchange(other.file_descriptor, -1)} + , mapping{std::exchange(other.mapping, nullptr)} + , size{std::exchange(other.size, 0)} + {} + + auto storage_boot_module_fixture::mapped_image::operator=(mapped_image && other) noexcept -> mapped_image & + { + if (this != &other) + { + file_descriptor = std::exchange(other.file_descriptor, -1); + mapping = std::exchange(other.mapping, nullptr); + size = std::exchange(other.size, 0); + } + return *this; + } + storage_boot_module_fixture::~storage_boot_module_fixture() { kernel::tests::devices::storage::management::deinit(); @@ -36,23 +91,22 @@ namespace kernel::tests::filesystem for (std::size_t i = 0; i < module_count; ++i) { - m_module_names.push_back("test_mod" + kstd::to_string(i)); + m_module_names.push_back(std::format("test_mod{}", i)); m_module_data.emplace_back(module_size, std::byte{static_cast<unsigned char>(0x40 + (i % 16))}); } for (std::size_t i = 0; i < module_count; ++i) { m_registry.add_boot_module(kapi::boot_modules::boot_module{ - m_module_names[i].view(), kapi::memory::linear_address{m_module_data[i].data()}, m_module_data[i].size()}); + m_module_names[i].c_str(), kapi::memory::linear_address{m_module_data[i].data()}, m_module_data[i].size()}); } kapi::boot_modules::set_boot_module_registry(m_registry); kernel::devices::storage::management::init(); } - auto storage_boot_module_fixture::setup_modules_from_img(kstd::vector<kstd::string> const & module_names, - kstd::vector<std::filesystem::path> const & img_paths) - -> void + auto storage_boot_module_fixture::setup_modules_from_img(std::vector<std::string> const & module_names, + std::vector<std::filesystem::path> const & img_paths) -> void { m_module_names.clear(); m_module_data.clear(); @@ -72,38 +126,13 @@ namespace kernel::tests::filesystem kernel::devices::storage::management::init(); } - auto storage_boot_module_fixture::setup_module_from_img(kstd::string const & module_name, + auto storage_boot_module_fixture::setup_module_from_img(std::string const & module_name, std::filesystem::path const & img_path) -> void { - auto file = std::ifstream{img_path, std::ios::binary | std::ios::ate}; - if (!file) - { - throw std::runtime_error{"Failed to open image file for test boot module: " + img_path.string()}; - } - - auto const end_pos = file.tellg(); - if (end_pos < 0) - { - throw std::runtime_error{"Failed to determine image file size for test boot module: " + img_path.string()}; - } - - auto const size = static_cast<std::size_t>(end_pos); - file.seekg(0, std::ios::beg); - m_module_names.push_back(module_name); - m_module_data.emplace_back(size); - - if (size > 0) - { - file.read(reinterpret_cast<char *>(m_module_data.back().data()), static_cast<std::streamsize>(size)); - if (!file) - { - throw std::runtime_error{"Failed to read image file content for test boot module: " + img_path.string()}; - } - } + auto & mapped_image = m_mapped_images.emplace_back(img_path); m_registry.add_boot_module(kapi::boot_modules::boot_module{ - m_module_names.back().view(), kapi::memory::linear_address{m_module_data.back().data()}, - m_module_data.back().size()}); + m_module_names.back().c_str(), kapi::memory::linear_address{mapped_image.mapping}, mapped_image.size}); } } // namespace kernel::tests::filesystem
\ No newline at end of file diff --git a/kernel/src/test_support/filesystem/storage_boot_module_vfs_fixture.cpp b/kernel/src/test_support/filesystem/storage_boot_module_vfs_fixture.cpp index cba7278..1a71b57 100644 --- a/kernel/src/test_support/filesystem/storage_boot_module_vfs_fixture.cpp +++ b/kernel/src/test_support/filesystem/storage_boot_module_vfs_fixture.cpp @@ -3,11 +3,10 @@ #include "kernel/filesystem/vfs.hpp" #include "kernel/test_support/filesystem/vfs.hpp" -#include <kstd/string> -#include <kstd/vector> - #include <cstddef> #include <filesystem> +#include <string> +#include <vector> namespace kernel::tests::filesystem { @@ -24,7 +23,7 @@ namespace kernel::tests::filesystem } auto storage_boot_module_vfs_fixture::setup_modules_from_img_and_init_vfs( - kstd::vector<kstd::string> const & module_names, kstd::vector<std::filesystem::path> const & img_paths) -> void + std::vector<std::string> const & module_names, std::vector<std::filesystem::path> const & img_paths) -> void { setup_modules_from_img(module_names, img_paths); kernel::filesystem::vfs::init(); |