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Diffstat (limited to 'kernel/tests/kapi/memory.cpp')
| -rw-r--r-- | kernel/tests/kapi/memory.cpp | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/kernel/tests/kapi/memory.cpp b/kernel/tests/kapi/memory.cpp deleted file mode 100644 index 6de2f60..0000000 --- a/kernel/tests/kapi/memory.cpp +++ /dev/null @@ -1,86 +0,0 @@ -#include "kapi/memory.hpp" - -#include <kapi/memory.hpp> - -#include "kernel/tests/simulated_memory.hpp" - -#include <kstd/print> -#include <kstd/units> - -#include <cstddef> -#include <cstdint> -#include <optional> -#include <utility> - -namespace kapi::memory -{ - - namespace - { - //! The size of the simulated RAM. - constexpr auto simulate_memory_size = kstd::units::MiB(32); - - struct test_boostrap_frame_allocator : frame_allocator - { - auto mark_used(frame) -> void override {} - - auto allocate_many(std::size_t count) noexcept -> std::optional<std::pair<frame, std::size_t>> override - { - auto start = next_free_frame; - next_free_frame += count; - return std::pair{frame{start}, count}; - } - - auto release_many(std::pair<frame, std::size_t>) -> void override {} - - std::size_t next_free_frame{}; - } boostrap_allocator; - - struct test_page_mapper : page_mapper - { - auto map(page page, frame frame, flags flags) -> std::byte * override - { - kstd::println("mapping page {} onto frame {} with flags {}", page.number(), frame.number(), - static_cast<std::uint64_t>(flags)); - - if ((page.start_address() & pmm_metadata_base.raw()) == pmm_metadata_base.raw()) - { - auto offset = page.start_address() & ~pmm_metadata_base.raw(); - return kernel::tests::simulated_memory::pmm_metadata_base() + offset; - } - - return nullptr; - } - - auto unmap(page page) -> void override - { - kstd::println("unmapping page {}", page.number()); - } - - auto try_unmap(page page) noexcept -> bool override - { - kstd::println("trying to unmap page {}", page.number()); - return false; - } - } test_mapper; - - auto handoff_to_kernel_pmm(frame_allocator & new_allocator) -> void - { - for (auto i = 0uz; i < boostrap_allocator.next_free_frame; ++i) - { - new_allocator.mark_used(frame{i}); - } - } - - } // namespace - - auto init() -> void - { - kernel::tests::simulated_memory::init(simulate_memory_size); - set_frame_allocator(boostrap_allocator); - set_page_mapper(test_mapper); - - init_pmm(simulate_memory_size / frame::size, handoff_to_kernel_pmm); - } - -} // namespace kapi::memory
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