diff options
Diffstat (limited to 'compiler/rustc_target/src')
| -rw-r--r-- | compiler/rustc_target/src/spec/mod.rs | 1 | ||||
| -rw-r--r-- | compiler/rustc_target/src/spec/targets/riscv32im_risc0_zkvm_elf.rs | 36 |
2 files changed, 37 insertions, 0 deletions
diff --git a/compiler/rustc_target/src/spec/mod.rs b/compiler/rustc_target/src/spec/mod.rs index 5d74ebebdf3..884bd23e8cc 100644 --- a/compiler/rustc_target/src/spec/mod.rs +++ b/compiler/rustc_target/src/spec/mod.rs @@ -1597,6 +1597,7 @@ supported_targets! { ("x86_64-unikraft-linux-musl", x86_64_unikraft_linux_musl), ("riscv32i-unknown-none-elf", riscv32i_unknown_none_elf), + ("riscv32im-risc0-zkvm-elf", riscv32im_risc0_zkvm_elf), ("riscv32im-unknown-none-elf", riscv32im_unknown_none_elf), ("riscv32imc-unknown-none-elf", riscv32imc_unknown_none_elf), ("riscv32imc-esp-espidf", riscv32imc_esp_espidf), diff --git a/compiler/rustc_target/src/spec/targets/riscv32im_risc0_zkvm_elf.rs b/compiler/rustc_target/src/spec/targets/riscv32im_risc0_zkvm_elf.rs new file mode 100644 index 00000000000..bf819de4133 --- /dev/null +++ b/compiler/rustc_target/src/spec/targets/riscv32im_risc0_zkvm_elf.rs @@ -0,0 +1,36 @@ +use crate::spec::{Cc, LinkerFlavor, Lld, PanicStrategy, RelocModel}; +use crate::spec::{Target, TargetOptions}; + +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 { + os: "zkvm".into(), + vendor: "risc0".into(), + linker_flavor: LinkerFlavor::Gnu(Cc::No, Lld::Yes), + linker: Some("rust-lld".into()), + cpu: "generic-rv32".into(), + + // Some crates (*cough* crossbeam) assume you have 64 bit + // atomics if the target name is not in a hardcoded list. + // Since zkvm is singlethreaded and all operations are + // atomic, I guess we can just say we support 64-bit + // atomics. + max_atomic_width: Some(64), + atomic_cas: true, + + features: "+m".into(), + executables: true, + panic_strategy: PanicStrategy::Abort, + relocation_model: RelocModel::Static, + emit_debug_gdb_scripts: false, + eh_frame_header: false, + singlethread: true, + ..Default::default() + }, + } +} |
