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, 35 deletions

diff --git a/include/kernel/buf.h b/include/kernel/buf.h
deleted file mode 100644
index d0d849c..0000000
--- a/include/kernel/buf.h
+++ /dev/null
@@ -1,35 +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"
-
-#define BSIZE 1024
-#define NBUF 30
-
-struct Buf
-{
-    int valid;        // Whether the data has been read from the disk (1=valid, 0=invalid)
-    int disk;         // Whether it has been held by the driver (dirty bit/write-back flag is usually extended here)
-    uint32 dev;       // Device Number
-    uint32 blockno;   // Block number
-    uint32 refcnt;    // Reference Counting
-    struct Buf *prev; // LRU linked list
-    struct Buf *next;
-    uchar data[BSIZE];
-
-    Mutex lock; // Sleep Lock
-};
-
-namespace BufferCache
-{
-    void init();
-    struct Buf *bread(uint32 dev, uint32 blockno);
-    void bwrite(struct Buf *b);
-    void brelse(struct Buf *b);
-    void bpin(struct Buf *b);
-    void bunpin(struct Buf *b);
-} // namespace BufferCache