1 // Generic x86-64 target for bare-metal code - Floating point disabled
3 // Can be used in conjunction with the `target-feature` and
4 // `target-cpu` compiler flags to opt-in more hardware-specific
7 use super::{CodeModel, LinkerFlavor, LldFlavor, PanicStrategy};
8 use super::{RelroLevel, StackProbeType, Target, TargetOptions};
10 pub fn target() -> Target {
11 let opts = TargetOptions {
13 max_atomic_width: Some(64),
14 // don't use probe-stack=inline-asm until rust#83139 and rust#84667 are resolved
15 stack_probes: StackProbeType::Call,
16 position_independent_executables: true,
17 static_position_independent_executables: true,
18 relro_level: RelroLevel::Full,
19 linker_flavor: LinkerFlavor::Lld(LldFlavor::Ld),
20 linker: Some("rust-lld".into()),
22 "-mmx,-sse,-sse2,-sse3,-ssse3,-sse4.1,-sse4.2,-3dnow,-3dnowa,-avx,-avx2,+soft-float"
24 disable_redzone: true,
25 panic_strategy: PanicStrategy::Abort,
26 code_model: Some(CodeModel::Kernel),
30 llvm_target: "x86_64-unknown-none-elf".into(),
32 data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
34 arch: "x86_64".into(),