diff --git a/src/bootstrap/native.rs b/src/bootstrap/native.rs
index 9aeb4e0edae..d5e1ed02b44 100644
--- a/src/bootstrap/native.rs
+++ b/src/bootstrap/native.rs
@@ -607,6 +607,7 @@ impl Step for Openssl {
             "aarch64-linux-android" => "linux-aarch64",
             "aarch64-unknown-linux-gnu" => "linux-aarch64",
             "aarch64-unknown-linux-musl" => "linux-aarch64",
+            "aarch64-unknown-netbsd" => "BSD-generic64",
             "arm-linux-androideabi" => "android",
             "arm-unknown-linux-gnueabi" => "linux-armv4",
             "arm-unknown-linux-gnueabihf" => "linux-armv4",
diff --git a/src/librustc_target/spec/aarch64_unknown_netbsd.rs b/src/librustc_target/spec/aarch64_unknown_netbsd.rs
new file mode 100644
index 00000000000..c300855b021
--- /dev/null
+++ b/src/librustc_target/spec/aarch64_unknown_netbsd.rs
@@ -0,0 +1,31 @@
+// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+use spec::{LinkerFlavor, Target, TargetResult};
+
+pub fn target() -> TargetResult {
+    let mut base = super::netbsd_base::opts();
+    base.max_atomic_width = Some(128);
+    base.abi_blacklist = super::arm_base::abi_blacklist();
+
+    Ok(Target {
+        llvm_target: "aarch64-unknown-netbsd".to_string(),
+        target_endian: "little".to_string(),
+        target_pointer_width: "64".to_string(),
+        target_c_int_width: "32".to_string(),
+        data_layout: "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128".to_string(),
+        arch: "aarch64".to_string(),
+        target_os: "netbsd".to_string(),
+        target_env: "".to_string(),
+        target_vendor: "unknown".to_string(),
+        linker_flavor: LinkerFlavor::Gcc,
+        options: base,
+    })
+}
diff --git a/src/librustc_target/spec/mod.rs b/src/librustc_target/spec/mod.rs
index 49457846595..ce3d61cecbb 100644
--- a/src/librustc_target/spec/mod.rs
+++ b/src/librustc_target/spec/mod.rs
@@ -319,6 +319,7 @@ supported_targets! {
     ("i686-unknown-openbsd", i686_unknown_openbsd),
     ("x86_64-unknown-openbsd", x86_64_unknown_openbsd),
 
+    ("aarch64-unknown-netbsd", aarch64_unknown_netbsd),
     ("armv6-unknown-netbsd-eabihf", armv6_unknown_netbsd_eabihf),
     ("armv7-unknown-netbsd-eabihf", armv7_unknown_netbsd_eabihf),
     ("i686-unknown-netbsd", i686_unknown_netbsd),
diff --git a/src/libstd/os/raw/mod.rs b/src/libstd/os/raw/mod.rs
index 4b8dda493b0..dc33747c05b 100644
--- a/src/libstd/os/raw/mod.rs
+++ b/src/libstd/os/raw/mod.rs
@@ -29,7 +29,8 @@ use fmt;
           all(target_os = "android", any(target_arch = "aarch64",
                                          target_arch = "arm")),
           all(target_os = "l4re", target_arch = "x86_64"),
-          all(target_os = "netbsd", any(target_arch = "arm",
+          all(target_os = "netbsd", any(target_arch = "aarch64",
+                                        target_arch = "arm",
                                         target_arch = "powerpc")),
           all(target_os = "openbsd", target_arch = "aarch64"),
           all(target_os = "fuchsia", target_arch = "aarch64")))]
@@ -43,7 +44,8 @@ use fmt;
               all(target_os = "android", any(target_arch = "aarch64",
                                              target_arch = "arm")),
               all(target_os = "l4re", target_arch = "x86_64"),
-              all(target_os = "netbsd", any(target_arch = "arm",
+              all(target_os = "netbsd", any(target_arch = "aarch64",
+                                            target_arch = "arm",
                                             target_arch = "powerpc")),
               all(target_os = "openbsd", target_arch = "aarch64"),
               all(target_os = "fuchsia", target_arch = "aarch64"))))]