This adds a target specification for Linux kernel modules on x86_64, as well as base code that can be shared with other architectures.
31 lines
1.2 KiB
Rust
31 lines
1.2 KiB
Rust
// This defines the amd64 target for the Linux Kernel. See the linux-kernel-base module for
|
|
// generic Linux kernel options.
|
|
|
|
use crate::spec::{LinkerFlavor, Target, TargetResult};
|
|
|
|
pub fn target() -> TargetResult {
|
|
let mut base = super::linux_kernel_base::opts();
|
|
base.cpu = "x86-64".to_string();
|
|
base.max_atomic_width = Some(64);
|
|
base.features =
|
|
"-mmx,-sse,-sse2,-sse3,-ssse3,-sse4.1,-sse4.2,-3dnow,-3dnowa,-avx,-avx2,+soft-float"
|
|
.to_string();
|
|
base.code_model = Some("kernel".to_string());
|
|
base.pre_link_args.get_mut(&LinkerFlavor::Gcc).unwrap().push("-m64".to_string());
|
|
|
|
Ok(Target {
|
|
// FIXME: Some dispute, the linux-on-clang folks think this should use "Linux"
|
|
llvm_target: "x86_64-elf".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-i64:64-f80:128-n8:16:32:64-S128".to_string(),
|
|
target_os: "none".to_string(),
|
|
target_env: "gnu".to_string(),
|
|
target_vendor: "unknown".to_string(),
|
|
arch: "x86_64".to_string(),
|
|
linker_flavor: LinkerFlavor::Gcc,
|
|
|
|
options: base,
|
|
})
|
|
}
|