| // Generic x86-64 target for bare-metal code - Floating point disabled |
| // |
| // Can be used in conjunction with the `target-feature` and |
| // `target-cpu` compiler flags to opt-in more hardware-specific |
| // features. |
| |
| use crate::spec::{Cc, CodeModel, LinkerFlavor, Lld, PanicStrategy}; |
| use crate::spec::{RelroLevel, SanitizerSet, StackProbeType, Target, TargetOptions}; |
| |
| pub fn target() -> Target { |
| let opts = TargetOptions { |
| cpu: "x86-64".into(), |
| plt_by_default: false, |
| max_atomic_width: Some(64), |
| stack_probes: StackProbeType::X86, |
| position_independent_executables: true, |
| static_position_independent_executables: true, |
| relro_level: RelroLevel::Full, |
| linker_flavor: LinkerFlavor::Gnu(Cc::No, Lld::Yes), |
| linker: Some("rust-lld".into()), |
| features: |
| "-mmx,-sse,-sse2,-sse3,-ssse3,-sse4.1,-sse4.2,-3dnow,-3dnowa,-avx,-avx2,+soft-float" |
| .into(), |
| supported_sanitizers: SanitizerSet::KCFI | SanitizerSet::KERNELADDRESS, |
| disable_redzone: true, |
| panic_strategy: PanicStrategy::Abort, |
| code_model: Some(CodeModel::Kernel), |
| ..Default::default() |
| }; |
| Target { |
| 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: opts, |
| } |
| } |
