35 lines
1.0 KiB
Rust
35 lines
1.0 KiB
Rust
//! `src/mem/mod.rs` — memory subsystem root
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pub mod address;
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pub mod allocator;
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pub mod buddy; // ← new: per-actor buddy allocator
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pub mod paging;
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pub mod pm_manages;
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pub mod pmm;
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pub mod vmm;
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/// Initialise the physical memory manager.
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///
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/// Must be called before any heap allocation or VMM operation.
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pub fn init_pmm(memmap: &limine::response::MemoryMapResponse, hhdm_offset: u64) {
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unsafe { pmm::BitmapPMM::init(memmap, hhdm_offset); }
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}
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/// Initialise CPU features required by the VMM (INVPCID detection).
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///
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/// Must be called before `init_vmm` and any `AddressSpace::activate()`.
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pub fn init_cpu_features() {
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vmm::init_cpu_features();
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}
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/// Initialise the kernel address space record (after PMM, heap, and the
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/// initial P4 page table have been set up in `kmain`).
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pub fn init_vmm(pml4_phys: address::PhysAddr, hhdm_offset: u64) {
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vmm::init_kernel_space(pml4_phys, hhdm_offset);
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}
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/// Physical memory statistics: `(used_pages, total_pages)`.
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pub fn get_stats() -> (usize, usize) {
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pmm::get_stats()
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}
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