diff options
Diffstat (limited to 'compiler/rustc_target/src/spec/x86_64_unknown_none.rs')
-rw-r--r-- | compiler/rustc_target/src/spec/x86_64_unknown_none.rs | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/compiler/rustc_target/src/spec/x86_64_unknown_none.rs b/compiler/rustc_target/src/spec/x86_64_unknown_none.rs new file mode 100644 index 000000000..809fd642d --- /dev/null +++ b/compiler/rustc_target/src/spec/x86_64_unknown_none.rs @@ -0,0 +1,40 @@ +// 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 super::{ + CodeModel, LinkerFlavor, LldFlavor, PanicStrategy, RelocModel, RelroLevel, StackProbeType, + Target, TargetOptions, +}; + +pub fn target() -> Target { + let opts = TargetOptions { + cpu: "x86-64".into(), + max_atomic_width: Some(64), + // don't use probe-stack=inline-asm until rust#83139 and rust#84667 are resolved + stack_probes: StackProbeType::Call, + position_independent_executables: true, + static_position_independent_executables: true, + relro_level: RelroLevel::Full, + relocation_model: RelocModel::Pic, + linker_flavor: LinkerFlavor::Lld(LldFlavor::Ld), + linker: Some("rust-lld".into()), + features: + "-mmx,-sse,-sse2,-sse3,-ssse3,-sse4.1,-sse4.2,-3dnow,-3dnowa,-avx,-avx2,+soft-float" + .into(), + 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, + } +} |