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.
---
 lume-legacy/src/user/echo.cc | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 lume-legacy/src/user/echo.cc

(limited to 'lume-legacy/src/user/echo.cc')

diff --git a/lume-legacy/src/user/echo.cc b/lume-legacy/src/user/echo.cc
new file mode 100644
index 0000000..cc9dc2a
--- /dev/null
+++ b/lume-legacy/src/user/echo.cc
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2026 Richard QIn
+ */
+#include "user/user.h"
+#include "ulib/stdio.h"
+#include "ulib/string.h"
+
+int main(int argc, char* argv[])
+{
+    int i;
+
+    for (i = 1; i < argc; i++)
+    {
+        write(1, argv[i], strlen(argv[i]));
+        if (i + 1 < argc)
+        {
+            write(1, " ", 1);
+        }
+        else
+        {
+            write(1, "\n", 1);
+        }
+    }
+    exit(0);
+}
\ No newline at end of file
-- 
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