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-rw-r--r--arch/x86_64/src/memory/main.cpp77
1 files changed, 0 insertions, 77 deletions
diff --git a/arch/x86_64/src/memory/main.cpp b/arch/x86_64/src/memory/main.cpp
deleted file mode 100644
index 2746a71..0000000
--- a/arch/x86_64/src/memory/main.cpp
+++ /dev/null
@@ -1,77 +0,0 @@
-#include "arch/memory/main.hpp"
-
-#include "arch/exception_handling/assert.hpp"
-#include "arch/kernel/cpu/control_register.hpp"
-#include "arch/kernel/cpu/msr.hpp"
-#include "arch/memory/allocator/area_frame_allocator.hpp"
-#include "arch/memory/allocator/concept.hpp"
-#include "arch/memory/heap/global_heap_allocator.hpp"
-#include "arch/memory/paging/active_page_table.hpp"
-#include "arch/memory/paging/kernel_mapper.hpp"
-
-#include <optional>
-
-namespace teachos::arch::memory
-{
- namespace
- {
- static std::optional<allocator::area_frame_allocator> frame_allocator;
-
- auto create_frame_allocator(multiboot::memory_information const & memory_information)
- -> allocator::area_frame_allocator &
- {
- frame_allocator.emplace(memory_information);
- return frame_allocator.value();
- }
-
- auto get_frame_allocator() -> allocator::area_frame_allocator &
- {
- exception_handling::assert(frame_allocator.has_value(),
- "[Initialization] Frame allocator has not been created yet");
- return frame_allocator.value();
- }
- } // namespace
-
- auto remap_heap(std::size_t heap_start, std::size_t heap_size, paging::entry::bitset additional_flags = {}) -> void
- {
- decltype(auto) allocator = get_frame_allocator();
- decltype(auto) active_table = paging::active_page_table::create_or_get();
- auto const start_page = paging::virtual_page::containing_address(heap_start);
- auto const end_page = ++(paging::virtual_page::containing_address(heap_start + heap_size - 1));
-
- paging::page_container::iterator const begin{start_page};
- paging::page_container::iterator const end{end_page};
- paging::page_container const pages{begin, end};
-
- constexpr auto base_flags = paging::entry::WRITABLE;
- auto const flags = base_flags | additional_flags;
-
- for (auto const & page : pages)
- {
- active_table.map_page_to_next_free_frame(allocator, page, flags);
- }
- }
-
- auto initialize_memory_management() -> void
- {
- static bool has_been_called = false;
- arch::exception_handling::assert(!has_been_called,
- "[Initialization] Memory management has already been initialized");
- has_been_called = true;
-
- auto const memory_information = multiboot::read_multiboot2();
- decltype(auto) allocator = create_frame_allocator(memory_information);
-
- kernel::cpu::set_cr0_bit(kernel::cpu::cr0_flags::WRITE_PROTECT);
- kernel::cpu::set_efer_bit(kernel::cpu::efer_flags::NXE);
-
- paging::kernel_mapper kernel(allocator, memory_information);
- kernel.remap_kernel();
- video::vga::text::write("Kernel remapping successful", video::vga::text::common_attributes::green_on_black);
- video::vga::text::newline();
-
- remap_heap(heap::KERNEL_HEAP_START, heap::KERNEL_HEAP_SIZE);
- video::vga::text::write("Heap remapping successful", video::vga::text::common_attributes::green_on_black);
- video::vga::text::newline();
- }
-} // namespace teachos::arch::memory