diff --git a/lib/libc/assert.c b/lib/libc/assert.c
new file mode 100644
index 0000000..60f1a86
--- /dev/null
+++ b/lib/libc/assert.c
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2013-2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <cdefs.h>
+#include <stdio.h>
+
+#include <common/debug.h>
+#include <drivers/console.h>
+#include <plat/common/platform.h>
+
+/*
+ * Only print the output if PLAT_LOG_LEVEL_ASSERT is higher or equal to
+ * LOG_LEVEL_INFO, which is the default value for builds with DEBUG=1.
+ */
+
+#if PLAT_LOG_LEVEL_ASSERT >= LOG_LEVEL_VERBOSE
+void __assert(const char *file, unsigned int line, const char *assertion)
+{
+	printf("ASSERT: %s:%d:%s\n", file, line, assertion);
+	backtrace("assert");
+	(void)console_flush();
+	plat_panic_handler();
+}
+#elif PLAT_LOG_LEVEL_ASSERT >= LOG_LEVEL_INFO
+void __assert(const char *file, unsigned int line)
+{
+	printf("ASSERT: %s:%d\n", file, line);
+	backtrace("assert");
+	(void)console_flush();
+	plat_panic_handler();
+}
+#else
+void __assert(void)
+{
+	backtrace("assert");
+	(void)console_flush();
+	plat_panic_handler();
+}
+#endif