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.
---
 lib/string/x86_64/memmove.s | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 lib/string/x86_64/memmove.s

(limited to 'lib/string/x86_64/memmove.s')

diff --git a/lib/string/x86_64/memmove.s b/lib/string/x86_64/memmove.s
new file mode 100644
index 0000000..172c025
--- /dev/null
+++ b/lib/string/x86_64/memmove.s
@@ -0,0 +1,16 @@
+.global memmove
+.type memmove,@function
+memmove:
+	mov %rdi,%rax
+	sub %rsi,%rax
+	cmp %rdx,%rax
+.hidden __memcpy_fwd
+	jae __memcpy_fwd
+	mov %rdx,%rcx
+	lea -1(%rdi,%rdx),%rdi
+	lea -1(%rsi,%rdx),%rsi
+	std
+	rep movsb
+	cld
+	lea 1(%rdi),%rax
+	ret
-- 
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