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// 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,
}
}
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