Initial commit

common/ndsabi/memmove.s

@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: Zlib
+// SPDX-FileNotice: Modified from the original version by the BlocksDS project.
+//
+// Copyright (C) 2021-2023 agbabi contributors
+//
+// ABI:
+//    __aeabi_memmove, __aeabi_memmove4, __aeabi_memmove8
+// Standard:
+//    memmove
+
+#include <nds/asminc.h>
+
+    .syntax unified
+
+    .arm
+
+
+BEGIN_ASM_FUNC __aeabi_memmove
+
+    cmp     r0, r1
+    bgt     __ndsabi_rmemcpy
+    b       __aeabi_memcpy
+
+
+BEGIN_ASM_FUNC __aeabi_memmove8
+BEGIN_ASM_FUNC_NO_SECTION __aeabi_memmove4
+
+    cmp     r0, r1
+    bgt     __ndsabi_rmemcpy
+    b       __aeabi_memcpy4
+
+
+BEGIN_ASM_FUNC __ndsabi_memmove1
+
+    cmp     r0, r1
+    bgt     __ndsabi_rmemcpy1
+    b       __ndsabi_memcpy1
+
+
+BEGIN_ASM_FUNC memmove
+
+    push    {r0, lr}
+    bl      __aeabi_memmove
+    pop     {r0, lr}
+    bx      lr