diff options
Diffstat (limited to 'arch/x86_64/src')
| -rw-r--r-- | arch/x86_64/src/memory/allocator/tiny_frame_allocator.cpp | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/x86_64/src/memory/allocator/tiny_frame_allocator.cpp b/arch/x86_64/src/memory/allocator/tiny_frame_allocator.cpp new file mode 100644 index 0000000..d07398a --- /dev/null +++ b/arch/x86_64/src/memory/allocator/tiny_frame_allocator.cpp @@ -0,0 +1,34 @@ +#include "arch/memory/allocator/tiny_frame_allocator.hpp" + +#include "arch/exception_handling/panic.hpp" + +namespace teachos::arch::memory::allocator +{ + auto tiny_frame_allocator::allocate_frame() -> std::optional<physical_frame> + { + for (auto & frame_option : frames) + { + if (frame_option.has_value()) + { + auto value = frame_option; + frame_option = std::nullopt; + return value; + } + } + return std::nullopt; + } + + auto tiny_frame_allocator::deallocate_frame(physical_frame physical_frame) -> void + { + for (auto & frame_option : frames) + { + if (!frame_option.has_value()) + { + frame_option = physical_frame; + return; + } + } + exception_handling::panic( + "[Tiny Frame Allocator] Attempted to deallocate more than the 3 frames, that can be held"); + } +} // namespace teachos::arch::memory::allocator |
