diff --git a/configure.ac b/configure.ac
index e54b9df12..c864311f7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1181,7 +1181,7 @@ fi
 
 # Check for libgcc symbols
 if test x"$platform" = xemu; then
-AC_CHECK_FUNCS(__udivsi3 __umodsi3 __divsi3 __modsi3 __divdi3 __moddi3 __udivdi3 __umoddi3 __ctzdi2 __ctzsi2 __aeabi_uidiv __aeabi_uidivmod __aeabi_idiv __aeabi_idivmod __aeabi_ulcmp __muldi3 __aeabi_lmul __aeabi_memcpy __aeabi_memset __aeabi_lasr __aeabi_llsl __aeabi_llsr _restgpr_14_x __ucmpdi2 __ashldi3 __ashrdi3 __lshrdi3 __bswapsi2 __bswapdi2 __bzero __register_frame_info __deregister_frame_info ___chkstk_ms __chkstk_ms)
+AC_CHECK_FUNCS(__udivsi3 __umodsi3 __divsi3 __modsi3 __divdi3 __moddi3 __udivdi3 __umoddi3 __ctzdi2 __ctzsi2 __aeabi_uidiv __aeabi_uidivmod __aeabi_idiv __aeabi_idivmod __aeabi_ulcmp __muldi3 __aeabi_lmul __aeabi_memcpy __aeabi_memcpy4 __aeabi_memcpy8 __aeabi_memclr __aeabi_memclr4 __aeabi_memclr8 __aeabi_memset __aeabi_lasr __aeabi_llsl __aeabi_llsr _restgpr_14_x __ucmpdi2 __ashldi3 __ashrdi3 __lshrdi3 __bswapsi2 __bswapdi2 __bzero __register_frame_info __deregister_frame_info ___chkstk_ms __chkstk_ms)
 fi
 
 if test "x$TARGET_APPLE_LINKER" = x1 ; then
diff --git a/include/grub/compiler-rt-emu.h b/include/grub/compiler-rt-emu.h
index edc82999e..b21425d9e 100644
--- a/include/grub/compiler-rt-emu.h
+++ b/include/grub/compiler-rt-emu.h
@@ -115,11 +115,36 @@ void *
 EXPORT_FUNC (__aeabi_memcpy) (void *dest, const void *src, grub_size_t n);
 #endif
 
+#ifdef HAVE___AEABI_MEMCPY4
+void *
+EXPORT_FUNC (__aeabi_memcpy4) (void *dest, const void *src, grub_size_t n);
+#endif
+
+#ifdef HAVE___AEABI_MEMCPY8
+void *
+EXPORT_FUNC (__aeabi_memcpy8) (void *dest, const void *src, grub_size_t n);
+#endif
+
 #ifdef HAVE___AEABI_MEMSET
 void *
 EXPORT_FUNC(__aeabi_memset) (void *s, int c, grub_size_t n);
 #endif
 
+#ifdef HAVE___AEABI_MEMCLR
+void *
+EXPORT_FUNC(__aeabi_memclr) (void *s, grub_size_t n);
+#endif
+
+#ifdef HAVE___AEABI_MEMCLR4
+void *
+EXPORT_FUNC(__aeabi_memclr4) (void *s, grub_size_t n);
+#endif
+
+#ifdef HAVE___AEABI_MEMCLR8
+void *
+EXPORT_FUNC(__aeabi_memclr8) (void *s, grub_size_t n);
+#endif
+
 #ifdef HAVE___AEABI_LASR
 grub_uint64_t
 EXPORT_FUNC (__aeabi_lasr) (grub_uint64_t u, int b);