[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/bsp/lk/lib/libc/string/memcpy.c b/src/bsp/lk/lib/libc/string/memcpy.c
new file mode 100644
index 0000000..f0e439c
--- /dev/null
+++ b/src/bsp/lk/lib/libc/string/memcpy.c
@@ -0,0 +1,69 @@
+/*
+** Copyright 2001, Travis Geiselbrecht. All rights reserved.
+** Distributed under the terms of the NewOS License.
+*/
+/*
+ * Copyright (c) 2008 Travis Geiselbrecht
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include <string.h>
+#include <sys/types.h>
+
+
+#if !_ASM_MEMCPY
+
+typedef long word;
+
+#define lsize sizeof(word)
+#define lmask (lsize - 1)
+
+void *memcpy(void *dest, const void *src, size_t count)
+{
+ char *d = (char *)dest;
+ const char *s = (const char *)src;
+ int len;
+
+ if (count == 0 || dest == src)
+ return dest;
+
+ if (((long)d | (long)s) & lmask) {
+ // src and/or dest do not align on word boundary
+ if ((((long)d ^ (long)s) & lmask) || (count < lsize))
+ len = count; // copy the rest of the buffer with the byte mover
+ else
+ len = lsize - ((long)d & lmask); // move the ptrs up to a word boundary
+
+ count -= len;
+ for (; len > 0; len--)
+ *d++ = *s++;
+ }
+ for (len = count / lsize; len > 0; len--) {
+ *(word *)d = *(word *)s;
+ d += lsize;
+ s += lsize;
+ }
+ for (len = count & lmask; len > 0; len--)
+ *d++ = *s++;
+
+ return dest;
+}
+
+#endif