From e90b72ec3082588b296956730bd2930cf8d5d671 Mon Sep 17 00:00:00 2001
From: Richard Qin <richard.qin.x@gmail.com>
Date: Fri, 10 Jul 2026 11:31:46 +0800
Subject: 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.
---
 src/kernel/cxx.cc | 78 -------------------------------------------------------
 1 file changed, 78 deletions(-)
 delete mode 100644 src/kernel/cxx.cc

(limited to 'src/kernel/cxx.cc')

diff --git a/src/kernel/cxx.cc b/src/kernel/cxx.cc
deleted file mode 100644
index 00f2799..0000000
--- a/src/kernel/cxx.cc
+++ /dev/null
@@ -1,78 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright (C) 2026 Richard QIn
- */
-#include "common/types.h"
-#include "kernel/pmm.h"
-#include "drivers/uart.h"
-
-/*
- * C++ Kernel Runtime Support
- *
- * * Strategy: Map directly to PMM::alloc_page().
- * Pros: Simple, works immediately for VFS.
- * Cons: Allocates 4KB for every object (wasteful for small objects),
- * but acceptable for current stage.
- */
-
-void *operator new(unsigned long size)
-{
-    // Safety check: PMM allocates 4096 bytes max per call
-    if (size > 4096)
-    {
-        Drivers::uart_puts("panic: new allocation too big (max 4096)\n");
-        while (1)
-            ;
-    }
-
-    void *p = PMM::alloc_page();
-    if (!p)
-    {
-        Drivers::uart_puts("panic: new out of memory\n");
-        while (1)
-            ;
-    }
-    // PMM::alloc_page returns zeroed memory usually,
-    // but standard 'new' doesn't guarantee it.
-    // The constructor will handle initialization.
-    return p;
-}
-
-void *operator new[](unsigned long size)
-{
-    return operator new(size);
-}
-
-void operator delete(void *p)
-{
-    if (p)
-        PMM::free_page(p);
-}
-
-void operator delete[](void *p)
-{
-    if (p)
-        PMM::free_page(p);
-}
-
-// C++14 Sized Deallocation (Required by modern compilers)
-// The compiler optimizes 'delete' calls to pass the size of the object
-void operator delete(void *p, unsigned long size)
-{
-    (void)size; // We ignore size because PMM always frees a full page
-    if (p)
-        PMM::free_page(p);
-}
-
-void operator delete[](void *p, unsigned long size)
-{
-    (void)size;
-    if (p)
-        PMM::free_page(p);
-}
-
-void *operator new(unsigned long size, void *ptr)
-{
-    (void)size;
-    return ptr;
-}
\ No newline at end of file
-- 
cgit v1.2.3