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| author | WANG Rui <wangrui@loongson.cn> | 2024-05-14 07:24:18 +0300 |
|---|---|---|
| committer | Huacai Chen <chenhuacai@loongson.cn> | 2024-05-14 07:24:18 +0300 |
| commit | 8f8d74ee110c02137f5b78ca0a2bd6c10331f267 (patch) | |
| tree | bd054b235ed1282ee0b2ee9fc0da8240ad57bcde | |
| parent | d6af2c76399f98444a5b4de96baf4b362d9f102b (diff) | |
| download | linux-8f8d74ee110c02137f5b78ca0a2bd6c10331f267.tar.xz | |
LoongArch: rust: Switch to use built-in rustc target
This commit switches to use the LoongArch's built-in rustc target
'loongarch64-unknown-none-softfloat'. The Rust samples have been tested.
Acked-by: Miguel Ojeda <ojeda@kernel.org>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: WANG Rui <wangrui@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
| -rw-r--r-- | arch/loongarch/Makefile | 2 | ||||
| -rw-r--r-- | rust/Makefile | 2 | ||||
| -rw-r--r-- | scripts/Makefile | 2 | ||||
| -rw-r--r-- | scripts/generate_rust_target.rs | 7 |
4 files changed, 4 insertions, 9 deletions
diff --git a/arch/loongarch/Makefile b/arch/loongarch/Makefile index df6caf79537a..4347915721bd 100644 --- a/arch/loongarch/Makefile +++ b/arch/loongarch/Makefile @@ -101,7 +101,7 @@ ifdef CONFIG_OBJTOOL KBUILD_CFLAGS += -fno-jump-tables endif -KBUILD_RUSTFLAGS += --target=$(objtree)/scripts/target.json +KBUILD_RUSTFLAGS += --target=loongarch64-unknown-none-softfloat KBUILD_RUSTFLAGS_MODULE += -Crelocation-model=pic ifeq ($(CONFIG_RELOCATABLE),y) diff --git a/rust/Makefile b/rust/Makefile index 86a125c4243c..a1eab64140ad 100644 --- a/rust/Makefile +++ b/rust/Makefile @@ -436,7 +436,7 @@ $(obj)/core.o: private rustc_objcopy = $(foreach sym,$(redirect-intrinsics),--re $(obj)/core.o: private rustc_target_flags = $(core-cfgs) $(obj)/core.o: $(RUST_LIB_SRC)/core/src/lib.rs FORCE +$(call if_changed_dep,rustc_library) -ifneq ($(or $(CONFIG_X86_64),$(CONFIG_LOONGARCH)),) +ifdef CONFIG_X86_64 $(obj)/core.o: scripts/target.json endif diff --git a/scripts/Makefile b/scripts/Makefile index bc90520a5426..fe56eeef09dd 100644 --- a/scripts/Makefile +++ b/scripts/Makefile @@ -12,7 +12,7 @@ hostprogs-always-$(CONFIG_SYSTEM_EXTRA_CERTIFICATE) += insert-sys-cert hostprogs-always-$(CONFIG_RUST_KERNEL_DOCTESTS) += rustdoc_test_builder hostprogs-always-$(CONFIG_RUST_KERNEL_DOCTESTS) += rustdoc_test_gen -ifneq ($(or $(CONFIG_X86_64),$(CONFIG_LOONGARCH)),) +ifdef CONFIG_X86_64 always-$(CONFIG_RUST) += target.json filechk_rust_target = $< < include/config/auto.conf diff --git a/scripts/generate_rust_target.rs b/scripts/generate_rust_target.rs index 54919cf48621..acd3b1acef83 100644 --- a/scripts/generate_rust_target.rs +++ b/scripts/generate_rust_target.rs @@ -164,12 +164,7 @@ fn main() { ts.push("llvm-target", "x86_64-linux-gnu"); ts.push("target-pointer-width", "64"); } else if cfg.has("LOONGARCH") { - ts.push("arch", "loongarch64"); - ts.push("data-layout", "e-m:e-p:64:64-i64:64-i128:128-n64-S128"); - ts.push("features", "-f,-d"); - ts.push("llvm-target", "loongarch64-linux-gnusf"); - ts.push("llvm-abiname", "lp64s"); - ts.push("target-pointer-width", "64"); + panic!("loongarch uses the builtin rustc loongarch64-unknown-none-softfloat target"); } else { panic!("Unsupported architecture"); } |