mirror of
https://github.com/hexagonal-sun/moss-kernel.git
synced 2026-04-18 14:19:01 -04:00
972f023edc
Create a new submodule within `memory`, `allocators` which contains all memory allocators. Also split out the `Frame` struct from the `pg_alloc` module, allowing it to be used by other modules.
39 lines
1.2 KiB
Rust
39 lines
1.2 KiB
Rust
use crate::{
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arch::ArchImpl,
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sync::{OnceLock, SpinLock},
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};
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use libkernel::memory::{
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allocators::{
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phys::FrameAllocator,
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smalloc::{RegionList, Smalloc},
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},
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region::PhysMemoryRegion,
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};
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pub mod brk;
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pub mod fault;
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pub mod mincore;
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pub mod mmap;
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pub mod page;
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pub mod process_vm;
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pub mod uaccess;
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pub type PageOffsetTranslator = libkernel::memory::pg_offset::PageOffsetTranslator<ArchImpl>;
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// Initial memory allocator. Used for initial memory setup.
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const STATIC_REGION_COUNT: usize = 128;
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static INIT_MEM_REGIONS: [PhysMemoryRegion; STATIC_REGION_COUNT] =
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[PhysMemoryRegion::empty(); STATIC_REGION_COUNT];
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static INIT_RES_REGIONS: [PhysMemoryRegion; STATIC_REGION_COUNT] =
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[PhysMemoryRegion::empty(); STATIC_REGION_COUNT];
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pub static INITAL_ALLOCATOR: SpinLock<Option<Smalloc<PageOffsetTranslator>>> =
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SpinLock::new(Some(Smalloc::new(
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RegionList::new(STATIC_REGION_COUNT, INIT_MEM_REGIONS.as_ptr().cast_mut()),
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RegionList::new(STATIC_REGION_COUNT, INIT_RES_REGIONS.as_ptr().cast_mut()),
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)));
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// Main page allocator, setup by consuming smalloc.
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pub static PAGE_ALLOC: OnceLock<FrameAllocator<ArchImpl>> = OnceLock::new();
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