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.
---
 arch/riscv/mm/tlb_md.cc | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 arch/riscv/mm/tlb_md.cc

(limited to 'arch/riscv/mm/tlb_md.cc')

diff --git a/arch/riscv/mm/tlb_md.cc b/arch/riscv/mm/tlb_md.cc
new file mode 100644
index 0000000..ed9aa29
--- /dev/null
+++ b/arch/riscv/mm/tlb_md.cc
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* Copyright (C) 2026 Richard Qin */
+
+#include <arch/tlb.h>
+#include <arch/sbi.h>
+
+namespace arch::tlb {
+
+void flush_remote(uint64 cpu_mask, uint64 start, uint64 size) {
+    if (size == ~0ULL) {
+        arch::sbi::sbi_remote_sfence_vma(cpu_mask, 0, 0, ~0UL);
+    } else {
+        arch::sbi::sbi_remote_sfence_vma(cpu_mask, 0, start, size);
+    }
+}
+
+} // namespace arch::tlb
-- 
cgit v1.2.3