diff options
Diffstat (limited to 'compiler/rustc_target/src/spec/riscv32imc_esp_espidf.rs')
-rw-r--r-- | compiler/rustc_target/src/spec/riscv32imc_esp_espidf.rs | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/compiler/rustc_target/src/spec/riscv32imc_esp_espidf.rs b/compiler/rustc_target/src/spec/riscv32imc_esp_espidf.rs new file mode 100644 index 000000000..03baef65c --- /dev/null +++ b/compiler/rustc_target/src/spec/riscv32imc_esp_espidf.rs @@ -0,0 +1,36 @@ +use crate::spec::{cvs, Target, TargetOptions}; +use crate::spec::{LinkerFlavor, PanicStrategy, RelocModel}; + +pub fn target() -> Target { + Target { + data_layout: "e-m:e-p:32:32-i64:64-n32-S128".into(), + llvm_target: "riscv32".into(), + pointer_width: 32, + arch: "riscv32".into(), + + options: TargetOptions { + families: cvs!["unix"], + os: "espidf".into(), + env: "newlib".into(), + vendor: "espressif".into(), + linker_flavor: LinkerFlavor::Gcc, + linker: Some("riscv32-esp-elf-gcc".into()), + cpu: "generic-rv32".into(), + + // While the RiscV32IMC architecture does not natively support atomics, ESP-IDF does support + // the __atomic* and __sync* GCC builtins, so setting `max_atomic_width` to `Some(64)` + // and `atomic_cas` to `true` will cause the compiler to emit libcalls to these builtins. + // + // Support for atomics is necessary for the Rust STD library, which is supported by the ESP-IDF framework. + max_atomic_width: Some(64), + atomic_cas: true, + + features: "+m,+c".into(), + panic_strategy: PanicStrategy::Abort, + relocation_model: RelocModel::Static, + emit_debug_gdb_scripts: false, + eh_frame_header: false, + ..Default::default() + }, + } +} |