1 files changed, 28 insertions, 0 deletions
diff --git a/compiler/rustc_target/src/spec/x86_64_unknown_none_linuxkernel.rs b/compiler/rustc_target/src/spec/x86_64_unknown_none_linuxkernel.rs
new file mode 100644
index 000000000..593345a5f
--- /dev/null
+++ b/compiler/rustc_target/src/spec/x86_64_unknown_none_linuxkernel.rs
@@ -0,0 +1,28 @@
+// This defines the amd64 target for the Linux Kernel. See the linux-kernel-base module for
+// generic Linux kernel options.
+
+use crate::spec::{CodeModel, LinkerFlavor, Target};
+
+pub fn target() -> Target {
+    let mut base = super::linux_kernel_base::opts();
+    base.cpu = "x86-64".into();
+    base.max_atomic_width = Some(64);
+    base.features =
+        "-mmx,-sse,-sse2,-sse3,-ssse3,-sse4.1,-sse4.2,-3dnow,-3dnowa,-avx,-avx2,+soft-float".into();
+    base.code_model = Some(CodeModel::Kernel);
+    base.add_pre_link_args(LinkerFlavor::Gcc, &["-m64"]);
+
+    Target {
+        // FIXME: Some dispute, the linux-on-clang folks think this should use
+        // "Linux". We disagree because running *on* Linux is nothing like
+        // running *as" linux, and historically the "os" component as has always
+        // been used to mean the "on" part.
+        llvm_target: "x86_64-unknown-none-elf".into(),
+        pointer_width: 64,
+        data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+            .into(),
+        arch: "x86_64".into(),
+
+        options: base,
+    }
+}