refactor: promote new architecture to repository root

Archive the deprecated implementation under lume-legacy, make the new kernel the default root-level build, and update repository entry points without changing kernel behavior.

1 files changed, 0 insertions, 60 deletions

diff --git a/include/kernel/pmm.h b/include/kernel/pmm.h
deleted file mode 100644
index 261786d..0000000
--- a/include/kernel/pmm.h
+++ /dev/null
@@ -1,60 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright (C) 2026 Richard Qin
- */
-
-#pragma once
-#include "common/types.h"
-#include "kernel/spinlock.h"
-#include "kernel/fdt.h" // For g_devices
-
-// Physical Memory Layout Definition
-#define KERNBASE 0x80000000
-
-// Dynamic memory size from FDT
-// Default to 128MB if FDT not present/parsed
-extern uint64 g_phys_size;
-
-#define PHYSIZE (g_phys_size)
-#define PHYSTOP (KERNBASE + PHYSIZE)
-
-// Buddy System Max Order
-// Order 10 => 2^10 pages = 1024 * 4KB = 4MB contiguous block
-// Order 11 => 2^11 pages = 8MB
-#define MAX_ORDER 11
-
-// Page flag
-#define PG_used 0x01     // This page is occupied
-#define PG_reserved 0x02 // This page is reserved (kernel code/data, DTB, MemMap)
-
-// Physical Page Metadata Structure
-struct Page
-{
-    uint8 flags;       // Page Status (PG_used, PG_reserved)
-    uint8 order;       // If it is the first page of a free block, record the order of the current block
-    uint16 refcnt;     // Reference Counting
-    struct Page *next; // Free list pointer (points to the next free block of the same size)
-    struct Page *prev; // Doubly linked list (easy to remove)
-};
-
-namespace PMM
-{
-    // Initialize physical memory management
-    void init();
-
-    // Core Allocation Interface (Buddy System)
-    // order: 0 ~ MAX_ORDER-1
-    void *alloc_pages(int order);
-    void free_pages(void *pa, int order);
-
-    // Compatible with old interface (allocate single page with order=0 and automatically reset to zero)
-    void *alloc_page();
-    void free_page(void *pa);
-
-    // Helper function
-    struct Page *pa_to_page(uint64 pa);
-    uint64 page_to_pa(struct Page *page);
-
-    // Debug information
-    void print_free_lists();
-}
\ No newline at end of file