| // Generic AArch64 target for NuttX OS |
| // |
| // Can be used in conjunction with the `target-feature` and |
| // `target-cpu` compiler flags to opt-in more hardware-specific |
| // features. |
| // |
| // For example, `-C target-cpu=cortex-a53`. |
| |
| use crate::spec::{ |
| Cc, LinkerFlavor, Lld, PanicStrategy, RelocModel, SanitizerSet, StackProbeType, Target, |
| TargetMetadata, TargetOptions, cvs, |
| }; |
| |
| pub(crate) fn target() -> Target { |
| let opts = TargetOptions { |
| linker_flavor: LinkerFlavor::Gnu(Cc::No, Lld::Yes), |
| linker: Some("rust-lld".into()), |
| // Enable the Cortex-A53 errata 843419 mitigation by default |
| pre_link_args: TargetOptions::link_args( |
| LinkerFlavor::Gnu(Cc::No, Lld::No), |
| &["--fix-cortex-a53-843419"], |
| ), |
| features: "+v8a,+strict-align,+neon,+fp-armv8".into(), |
| supported_sanitizers: SanitizerSet::KCFI | SanitizerSet::KERNELADDRESS, |
| relocation_model: RelocModel::Static, |
| disable_redzone: true, |
| max_atomic_width: Some(128), |
| stack_probes: StackProbeType::Inline, |
| panic_strategy: PanicStrategy::Abort, |
| families: cvs!["unix"], |
| os: "nuttx".into(), |
| ..Default::default() |
| }; |
| Target { |
| llvm_target: "aarch64-unknown-none".into(), |
| metadata: TargetMetadata { |
| description: Some("AArch64 NuttX".into()), |
| tier: Some(3), |
| host_tools: Some(false), |
| std: Some(true), |
| }, |
| pointer_width: 64, |
| data_layout: "e-m:e-p270:32:32-p271:32:32-p272:64:64-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32".into(), |
| arch: "aarch64".into(), |
| options: opts, |
| } |
| } |
