rustc_target/spec/targets/thumbv8r_none_eabihf.rs
1// Targets the Little-endian Cortex-R52 processor (ARMv8-R)
2
3use crate::spec::{Abi, Arch, FloatAbi, Target, TargetMetadata, TargetOptions, base};
4
5pub(crate) fn target() -> Target {
6 Target {
7 llvm_target: "thumbv8r-none-eabihf".into(),
8 metadata: TargetMetadata {
9 description: Some("Thumb-mode Bare Armv8-R, hardfloat".into()),
10 tier: Some(2),
11 host_tools: Some(false),
12 std: Some(false),
13 },
14 pointer_width: 32,
15 data_layout: "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64".into(),
16 arch: Arch::Arm,
17
18 options: TargetOptions {
19 abi: Abi::EabiHf,
20 llvm_floatabi: Some(FloatAbi::Hard),
21 // Armv8-R requires a minimum set of floating-point features equivalent to:
22 // fp-armv8, SP-only, with 16 DP (32 SP) registers
23 // LLVM defines Armv8-R to include these features automatically.
24 //
25 // The Cortex-R52 supports these default features and optionally includes:
26 // neon-fp-armv8, SP+DP, with 32 DP registers
27 //
28 // Reference:
29 // Arm Cortex-R52 Processor Technical Reference Manual
30 // - Chapter 15 Advanced SIMD and floating-point support
31 max_atomic_width: Some(64),
32 has_thumb_interworking: true,
33 ..base::arm_none::opts()
34 },
35 }
36}