tests/multiboot: Add test for modules

This test case is meant to detect corruptions of the Multiboot modules
as well as the multiboot modules list and the module command lines.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/tests/multiboot/libc.c b/tests/multiboot/libc.c
index 05abbd92cc..6df9bda96d 100644
--- a/tests/multiboot/libc.c
+++ b/tests/multiboot/libc.c
@@ -22,6 +22,18 @@
 
 #include "libc.h"
 
+void* memcpy(void *dest, const void *src, int n)
+{
+    char *d = dest;
+    const char *s = src;
+
+    while (n--) {
+        *d++ = *s++;
+    }
+
+    return dest;
+}
+
 static void print_char(char c)
 {
     outb(0xe9, c);