diff --git a/tests/tcg/s390x/console.c b/tests/tcg/s390x/console.c
index 6c26f04949..061b9437d9 100644
--- a/tests/tcg/s390x/console.c
+++ b/tests/tcg/s390x/console.c
@@ -6,8 +6,34 @@
  */
 
 #include "../../../pc-bios/s390-ccw/sclp.c"
-#include "../../../roms/SLOF/lib/libc/string/memset.c"
-#include "../../../roms/SLOF/lib/libc/string/memcpy.c"
+#include "string.h"
+
+
+void *
+memcpy(void *dest, const void *src, size_t n)
+{
+    char *cdest;
+    const char *csrc = src;
+
+    cdest = dest;
+    while (n-- > 0) {
+        *cdest++ = *csrc++;
+    }
+
+    return dest;
+}
+
+void *
+memset(void *dest, int c, size_t size)
+{
+    unsigned char *d = (unsigned char *)dest;
+
+    while (size-- > 0) {
+        *d++ = (unsigned char)c;
+    }
+
+    return dest;
+}
 
 void __sys_outc(char c)
 {