rustc_target/spec/targets/mipsel_sony_psx.rs
1use crate::spec::{
2 Arch, Cc, LinkerFlavor, Lld, PanicStrategy, RelocModel, Target, TargetMetadata, TargetOptions,
3 cvs,
4};
5
6pub(crate) fn target() -> Target {
7 Target {
8 llvm_target: "mipsel-sony-psx".into(),
9 metadata: TargetMetadata {
10 description: Some("MIPS (LE) Sony PlayStation 1 (PSX)".into()),
11 tier: Some(3),
12 host_tools: Some(false),
13 std: Some(false),
14 },
15 pointer_width: 32,
16 data_layout: "e-m:m-p:32:32-i8:8:32-i16:16:32-i64:64-n32-S64".into(),
17 arch: Arch::Mips,
18
19 options: TargetOptions {
20 // The Playstation 1 is mostly bare-metal, but the BIOS does provide some a slight bit
21 // of functionality post load, so we still declare it as `cfg!(target_os = "psx")`.
22 //
23 // See <https://github.com/rust-lang/rust/pull/131168> for details.
24 os: "psx".into(),
25 vendor: "sony".into(),
26 linker_flavor: LinkerFlavor::Gnu(Cc::No, Lld::Yes),
27 cpu: "mips1".into(),
28 executables: true,
29 linker: Some("rust-lld".into()),
30 relocation_model: RelocModel::Static,
31 exe_suffix: ".exe".into(),
32
33 // PSX doesn't natively support floats.
34 features: "+soft-float".into(),
35
36 // This should be 16 bits, but LLVM incorrectly tries emitting MIPS-II SYNC instructions
37 // for atomic loads and stores. This crashes rustc so we have to disable the Atomic* API
38 // until this is fixed upstream. See https://reviews.llvm.org/D122427#3420144 for more
39 // info.
40 max_atomic_width: Some(0),
41
42 // PSX does not support trap-on-condition instructions.
43 llvm_args: cvs!["-mno-check-zero-division"],
44 llvm_abiname: "o32".into(),
45 panic_strategy: PanicStrategy::Abort,
46 ..Default::default()
47 },
48 }
49}