From a4183f0e61b68ec5a45deeb5208091dd5ede35b0 Mon Sep 17 00:00:00 2001 From: Alistair Francis Date: Tue, 7 Jul 2020 13:35:55 -0700 Subject: [PATCH 1/4] librustc_target: Initial support for riscv32gc_unknown_linux_gnu Signed-off-by: Alistair Francis --- compiler/rustc_target/src/spec/mod.rs | 1 + .../src/spec/riscv32gc_unknown_linux_gnu.rs | 25 +++++++++++++++++++ 2 files changed, 26 insertions(+) create mode 100644 compiler/rustc_target/src/spec/riscv32gc_unknown_linux_gnu.rs diff --git a/compiler/rustc_target/src/spec/mod.rs b/compiler/rustc_target/src/spec/mod.rs index d6e8b304380..f1e8330425e 100644 --- a/compiler/rustc_target/src/spec/mod.rs +++ b/compiler/rustc_target/src/spec/mod.rs @@ -654,6 +654,7 @@ supported_targets! { ("riscv32i-unknown-none-elf", riscv32i_unknown_none_elf), ("riscv32imc-unknown-none-elf", riscv32imc_unknown_none_elf), ("riscv32imac-unknown-none-elf", riscv32imac_unknown_none_elf), + ("riscv32gc-unknown-linux-gnu", riscv32gc_unknown_linux_gnu), ("riscv64imac-unknown-none-elf", riscv64imac_unknown_none_elf), ("riscv64gc-unknown-none-elf", riscv64gc_unknown_none_elf), ("riscv64gc-unknown-linux-gnu", riscv64gc_unknown_linux_gnu), diff --git a/compiler/rustc_target/src/spec/riscv32gc_unknown_linux_gnu.rs b/compiler/rustc_target/src/spec/riscv32gc_unknown_linux_gnu.rs new file mode 100644 index 00000000000..53963fbb2fd --- /dev/null +++ b/compiler/rustc_target/src/spec/riscv32gc_unknown_linux_gnu.rs @@ -0,0 +1,25 @@ +use crate::spec::{CodeModel, LinkerFlavor, Target, TargetOptions, TargetResult}; + +pub fn target() -> TargetResult { + Ok(Target { + llvm_target: "riscv32-unknown-linux-gnu".to_string(), + target_endian: "little".to_string(), + target_pointer_width: "32".to_string(), + target_c_int_width: "32".to_string(), + target_env: "gnu".to_string(), + data_layout: "e-m:e-p:32:32-i64:64-n32-S128".to_string(), + arch: "riscv32".to_string(), + target_os: "linux".to_string(), + target_vendor: "unknown".to_string(), + linker_flavor: LinkerFlavor::Gcc, + options: TargetOptions { + abi_blacklist: super::riscv_base::abi_blacklist(), + code_model: Some(CodeModel::Medium), + cpu: "generic-rv32".to_string(), + features: "+m,+a,+f,+d,+c".to_string(), + llvm_abiname: "ilp32d".to_string(), + max_atomic_width: Some(32), + ..super::linux_base::opts() + }, + }) +} From 82bd5a3e1da85a3c6ee099fe4a4809e7a6913e0b Mon Sep 17 00:00:00 2001 From: Alistair Francis Date: Mon, 14 Sep 2020 17:43:06 -0700 Subject: [PATCH 2/4] librustc_target: Address comments Signed-off-by: Alistair Francis --- compiler/rustc_target/src/spec/riscv32gc_unknown_linux_gnu.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/compiler/rustc_target/src/spec/riscv32gc_unknown_linux_gnu.rs b/compiler/rustc_target/src/spec/riscv32gc_unknown_linux_gnu.rs index 53963fbb2fd..28710c60175 100644 --- a/compiler/rustc_target/src/spec/riscv32gc_unknown_linux_gnu.rs +++ b/compiler/rustc_target/src/spec/riscv32gc_unknown_linux_gnu.rs @@ -13,7 +13,7 @@ pub fn target() -> TargetResult { target_vendor: "unknown".to_string(), linker_flavor: LinkerFlavor::Gcc, options: TargetOptions { - abi_blacklist: super::riscv_base::abi_blacklist(), + unsupported_abis: super::riscv_base::unsupported_abis(), code_model: Some(CodeModel::Medium), cpu: "generic-rv32".to_string(), features: "+m,+a,+f,+d,+c".to_string(), From cbda1546b1d2464fc7c012f9274874bc62b25e24 Mon Sep 17 00:00:00 2001 From: Alistair Francis Date: Tue, 15 Sep 2020 07:58:33 -0700 Subject: [PATCH 3/4] doc: platform-support.md: Document port Signed-off-by: Alistair Francis --- src/doc/rustc/src/platform-support.md | 1 + 1 file changed, 1 insertion(+) diff --git a/src/doc/rustc/src/platform-support.md b/src/doc/rustc/src/platform-support.md index 794eeafbbbf..aa152bdbf8d 100644 --- a/src/doc/rustc/src/platform-support.md +++ b/src/doc/rustc/src/platform-support.md @@ -101,6 +101,7 @@ target | std | host | notes `powerpc-unknown-linux-gnu` | ✓ | ✓ | PowerPC Linux (kernel 2.6.32, glibc 2.11) `powerpc64-unknown-linux-gnu` | ✓ | ✓ | PPC64 Linux (kernel 2.6.32, glibc 2.11) `powerpc64le-unknown-linux-gnu` | ✓ | ✓ | PPC64LE Linux (kernel 3.10, glibc 2.17) +`riscv32gc-unknown-linux-gnu` | ✓ | ✓ | RISC-V Linux (kernel 5.4, glibc 2.33) `riscv32i-unknown-none-elf` | * | | Bare RISC-V (RV32I ISA) `riscv32imac-unknown-none-elf` | * | | Bare RISC-V (RV32IMAC ISA) `riscv32imc-unknown-none-elf` | * | | Bare RISC-V (RV32IMC ISA) From e968f86f7162304e9a59bd89bd0fe40e8db1ac6d Mon Sep 17 00:00:00 2001 From: Alistair Francis Date: Tue, 15 Sep 2020 08:13:01 -0700 Subject: [PATCH 4/4] doc: platform-support.md: Move to tier 3 Signed-off-by: Alistair Francis --- src/doc/rustc/src/platform-support.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/doc/rustc/src/platform-support.md b/src/doc/rustc/src/platform-support.md index aa152bdbf8d..da27d2fbf99 100644 --- a/src/doc/rustc/src/platform-support.md +++ b/src/doc/rustc/src/platform-support.md @@ -101,7 +101,6 @@ target | std | host | notes `powerpc-unknown-linux-gnu` | ✓ | ✓ | PowerPC Linux (kernel 2.6.32, glibc 2.11) `powerpc64-unknown-linux-gnu` | ✓ | ✓ | PPC64 Linux (kernel 2.6.32, glibc 2.11) `powerpc64le-unknown-linux-gnu` | ✓ | ✓ | PPC64LE Linux (kernel 3.10, glibc 2.17) -`riscv32gc-unknown-linux-gnu` | ✓ | ✓ | RISC-V Linux (kernel 5.4, glibc 2.33) `riscv32i-unknown-none-elf` | * | | Bare RISC-V (RV32I ISA) `riscv32imac-unknown-none-elf` | * | | Bare RISC-V (RV32IMAC ISA) `riscv32imc-unknown-none-elf` | * | | Bare RISC-V (RV32IMC ISA) @@ -196,6 +195,7 @@ target | std | host | notes `powerpc64-unknown-linux-musl` | ? | | `powerpc64-wrs-vxworks` | ? | | `powerpc64le-unknown-linux-musl` | ? | | +`riscv32gc-unknown-linux-gnu` | | | RISC-V Linux (kernel 5.4, glibc 2.33) `sparc-unknown-linux-gnu` | ✓ | | 32-bit SPARC Linux `sparc64-unknown-netbsd` | ✓ | ✓ | NetBSD/sparc64 `sparc64-unknown-openbsd` | ? | |