src/librustc_target/spec/thumbv8m_main_none_eabihf.rs

   1 // Targets the Cortex-M33 processor (Armv8-M Mainline architecture profile),
   2 // with the Floating Point extension.
   3
   4 use crate::spec::{LinkerFlavor, LldFlavor, Target, TargetOptions, TargetResult};
   5
   6 pub fn target() -> TargetResult {
   7     Ok(Target {
   8         llvm_target: "thumbv8m.main-none-eabihf".to_string(),
   9         target_endian: "little".to_string(),
  10         target_pointer_width: "32".to_string(),
  11         target_c_int_width: "32".to_string(),
  12         data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".to_string(),
  13         arch: "arm".to_string(),
  14         target_os: "none".to_string(),
  15         target_env: String::new(),
  16         target_vendor: String::new(),
  17         linker_flavor: LinkerFlavor::Lld(LldFlavor::Ld),
  18
  19         options: TargetOptions {
  20             // If the Floating Point extension is implemented in the Cortex-M33
  21             // processor, the Cortex-M33 Technical Reference Manual states that
  22             // the FPU uses the FPv5 architecture, single-precision instructions
  23             // and 16 D registers.
  24             // These parameters map to the following LLVM features.
  25             features: "+fp-armv8,-fp64,-d32".to_string(),
  26             max_atomic_width: Some(32),
  27             ..super::thumb_base::opts()
  28         },
  29     })
  30 }