diff options
Diffstat (limited to 'kernel/src/test_support/filesystem')
8 files changed, 251 insertions, 0 deletions
diff --git a/kernel/src/test_support/filesystem/ext2.cpp b/kernel/src/test_support/filesystem/ext2.cpp new file mode 100644 index 0000000..3627373 --- /dev/null +++ b/kernel/src/test_support/filesystem/ext2.cpp @@ -0,0 +1,62 @@ +#include "kernel/test_support/filesystem/ext2.hpp" + +#include "kernel/filesystem/ext2/block_group_descriptor.hpp" +#include "kernel/filesystem/ext2/filesystem.hpp" +#include "kernel/filesystem/ext2/inode.hpp" +#include "kernel/filesystem/ext2/superblock.hpp" +#include "kernel/test_support/devices/block_device.hpp" + +#include <cstdint> +#include <cstring> + +namespace kernel::tests::filesystem::ext2 +{ + namespace + { + constexpr uint32_t root_directory_data_block = 20; + } // namespace + + auto write_bytes(kernel::tests::devices::block_device & device, size_t offset, void const * source, size_t size) + -> void + { + auto const required_size = offset + size; + if (device.data.size() < required_size) + { + device.data.resize(required_size, 0); + } + + std::memcpy(device.data.data() + offset, source, size); + } + + auto write_u32(kernel::tests::devices::block_device & device, size_t offset, uint32_t value) -> void + { + write_bytes(device, offset, &value, sizeof(value)); + } + + auto setup_mock_ext2_layout(kernel::tests::devices::block_device & device) -> void + { + auto superblock = kernel::filesystem::ext2::superblock{}; + superblock.magic = kernel::filesystem::ext2::constants::magic_number; + superblock.log_block_size = 0; + superblock.blocks_count = 64; + superblock.blocks_per_group = 64; + superblock.inodes_per_group = 32; + superblock.rev_level = 1; + superblock.inode_size = 128; + write_bytes(device, kernel::filesystem::ext2::constants::superblock_offset, &superblock, sizeof(superblock)); + + auto group_descriptor = kernel::filesystem::ext2::block_group_descriptor{}; + group_descriptor.inode_table = 5; + write_bytes(device, 2048, &group_descriptor, sizeof(group_descriptor)); + + auto root_inode_data = kernel::filesystem::ext2::inode_data{}; + root_inode_data.mode = kernel::filesystem::ext2::constants::mode_directory; + root_inode_data.blocks = 2; + root_inode_data.block[0] = root_directory_data_block; + + auto const root_inode_offset = + static_cast<size_t>(group_descriptor.inode_table) * kernel::filesystem::ext2::constants::base_block_size + + (kernel::filesystem::ext2::constants::root_inode_number - 1) * superblock.inode_size; + write_bytes(device, root_inode_offset, &root_inode_data, sizeof(root_inode_data)); + } +} // namespace kernel::tests::filesystem::ext2
\ No newline at end of file diff --git a/kernel/src/test_support/filesystem/filesystem.cpp b/kernel/src/test_support/filesystem/filesystem.cpp new file mode 100644 index 0000000..225d096 --- /dev/null +++ b/kernel/src/test_support/filesystem/filesystem.cpp @@ -0,0 +1,17 @@ +#include "kernel/test_support/filesystem/filesystem.hpp" + +#include "kernel/filesystem/inode.hpp" +#include "kernel/test_support/filesystem/inode.hpp" + +#include <kstd/memory> + +#include <string_view> + +namespace kernel::tests::filesystem +{ + auto filesystem::lookup(kstd::shared_ptr<kernel::filesystem::inode> const &, std::string_view) + -> kstd::shared_ptr<kernel::filesystem::inode> + { + return kstd::make_shared<inode>(); + } +} // namespace kernel::tests::filesystem
\ No newline at end of file diff --git a/kernel/src/test_support/filesystem/inode.cpp b/kernel/src/test_support/filesystem/inode.cpp new file mode 100644 index 0000000..5df7bcd --- /dev/null +++ b/kernel/src/test_support/filesystem/inode.cpp @@ -0,0 +1,22 @@ +#include "kernel/test_support/filesystem/inode.hpp" + +#include "kernel/filesystem/inode.hpp" + +#include <cstddef> + +namespace kernel::tests::filesystem +{ + inode::inode() + : kernel::filesystem::inode(inode_kind::regular) + {} + + auto inode::read(void *, size_t, size_t size) const -> size_t + { + return size; + } + + auto inode::write(void const *, size_t, size_t size) -> size_t + { + return size; + } +} // namespace kernel::tests::filesystem
\ No newline at end of file diff --git a/kernel/src/test_support/filesystem/storage_boot_module_fixture.cpp b/kernel/src/test_support/filesystem/storage_boot_module_fixture.cpp new file mode 100644 index 0000000..a139f63 --- /dev/null +++ b/kernel/src/test_support/filesystem/storage_boot_module_fixture.cpp @@ -0,0 +1,109 @@ +#include "kernel/test_support/filesystem/storage_boot_module_fixture.hpp" + +#include "kapi/boot_module/boot_module.hpp" +#include "kapi/boot_modules.hpp" +#include "kapi/memory.hpp" + +#include "kernel/devices/storage/management.hpp" +#include "kernel/test_support/boot_modules.hpp" +#include "kernel/test_support/devices/storage/management.hpp" + +#include <kstd/string> +#include <kstd/vector> + +#include <cstddef> +#include <filesystem> +#include <fstream> +#include <ios> +#include <stdexcept> + +namespace kernel::tests::filesystem +{ + storage_boot_module_fixture::~storage_boot_module_fixture() + { + kernel::tests::devices::storage::management::deinit(); + kernel::tests::boot_modules::deinit(); + } + + auto storage_boot_module_fixture::setup_modules(std::size_t module_count, std::size_t module_size) -> void + { + m_module_names.clear(); + m_module_data.clear(); + m_registry = {}; + + m_module_names.reserve(module_count); + m_module_data.reserve(module_count); + + for (std::size_t i = 0; i < module_count; ++i) + { + m_module_names.push_back("test_mod" + kstd::to_string(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()}); + } + + 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 + { + m_module_names.clear(); + m_module_data.clear(); + m_registry = {}; + + if (module_names.size() != img_paths.size()) + { + throw std::invalid_argument{"Module names and image paths vectors must have the same size."}; + } + + for (size_t i = 0; i < module_names.size(); ++i) + { + setup_module_from_img(module_names[i], img_paths[i]); + } + + kapi::boot_modules::set_boot_module_registry(m_registry); + kernel::devices::storage::management::init(); + } + + auto storage_boot_module_fixture::setup_module_from_img(kstd::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()}; + } + } + + 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()}); + } +} // 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 new file mode 100644 index 0000000..cba7278 --- /dev/null +++ b/kernel/src/test_support/filesystem/storage_boot_module_vfs_fixture.cpp @@ -0,0 +1,32 @@ +#include "kernel/test_support/filesystem/storage_boot_module_vfs_fixture.hpp" + +#include "kernel/filesystem/vfs.hpp" +#include "kernel/test_support/filesystem/vfs.hpp" + +#include <kstd/string> +#include <kstd/vector> + +#include <cstddef> +#include <filesystem> + +namespace kernel::tests::filesystem +{ + storage_boot_module_vfs_fixture::~storage_boot_module_vfs_fixture() + { + kernel::tests::filesystem::vfs::deinit(); + } + + auto storage_boot_module_vfs_fixture::setup_modules_and_init_vfs(std::size_t module_count, std::size_t module_size) + -> void + { + setup_modules(module_count, module_size); + kernel::filesystem::vfs::init(); + } + + 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 + { + setup_modules_from_img(module_names, img_paths); + kernel::filesystem::vfs::init(); + } +} // namespace kernel::tests::filesystem
\ No newline at end of file diff --git a/kernel/src/test_support/filesystem/test_assets/ext2_1KB_fs.img b/kernel/src/test_support/filesystem/test_assets/ext2_1KB_fs.img new file mode 100644 index 0000000..9f1ee4a --- /dev/null +++ b/kernel/src/test_support/filesystem/test_assets/ext2_1KB_fs.img @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:94d3988bc309eb9e81f06042c72bf4c4fb5991cd7fdd597eb00c518a96c792d8 +size 10485760 diff --git a/kernel/src/test_support/filesystem/test_assets/ext2_2KB_fs.img b/kernel/src/test_support/filesystem/test_assets/ext2_2KB_fs.img new file mode 100644 index 0000000..1880911 --- /dev/null +++ b/kernel/src/test_support/filesystem/test_assets/ext2_2KB_fs.img @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:9a13da5abb9c65c737105b1da0d4344c7cd7604c7952c762c4f4e3d3f96fd42d +size 5242880 diff --git a/kernel/src/test_support/filesystem/test_assets/ext2_4KB_fs.img b/kernel/src/test_support/filesystem/test_assets/ext2_4KB_fs.img new file mode 100644 index 0000000..3aaceb8 --- /dev/null +++ b/kernel/src/test_support/filesystem/test_assets/ext2_4KB_fs.img @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:4ce6a1aea277906e1af6de223c017ff900b96569f076b4d99fc04eaa1ee986f4 +size 10485760 |