hv: multi-arch reconstruct memory library

Split common and X86 arch specific codes.
For arch without specific memory library,add common library
to use.

Tracked-On: #8794
Signed-off-by: Haicheng Li <haicheng.li@linux.intel.com>
Co-developed-by: Haoyu Tang <haoyu.tang@intel.com>
Signed-off-by: Haoyu Tang <haoyu.tang@intel.com>
Signed-off-by: Wang, Yu1 <yu1.wang@intel.com>
Acked-by: Wang, Yu1 <yu1.wang@intel.com>

hypervisor/include/lib/memory.h

@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2025 Intel Corporation.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef MEMORY_LIB_H
+#define MEMORY_LIB_H
+#include <types.h>
+#include <asm/lib/memory.h>
+
+#ifdef HAS_ARCH_MEMORY_LIB
+void *arch_memset(void *base, uint8_t v, size_t n);
+void arch_memcpy(void *d, const void *s, size_t slen);
+void arch_memcpy_backwards(void *d, const void *s, size_t slen);
+
+static inline void *memset(void *base, uint8_t v, size_t n) {
+	return arch_memset(base, v, n);
+}
+
+static inline void memcpy(void *d, const void *s, size_t slen) {
+	return arch_memcpy(d, s, slen);
+}
+
+static inline void memcpy_backwards(void *d, const void *s, size_t slen) {
+	return arch_memcpy_backwards(d, s, slen);
+}
+#else
+void *memset(void *base, uint8_t v, size_t n);
+void memcpy(void *d, const void *s, size_t slen);
+void memcpy_backwards(void *d, const void *s, size_t slen);
+#endif
+
+int32_t memcpy_s(void *d, size_t dmax, const void *s, size_t slen);
+
+
+#endif /* MEMORY_LIB_H */