1 files changed, 73 insertions, 73 deletions
diff --git a/library/stdarch/crates/std_detect/src/detect/os/linux/riscv.rs b/library/stdarch/crates/std_detect/src/detect/os/linux/riscv.rs
index 1ec06959a..91a85d58e 100644
--- a/library/stdarch/crates/std_detect/src/detect/os/linux/riscv.rs
+++ b/library/stdarch/crates/std_detect/src/detect/os/linux/riscv.rs
@@ -1,73 +1,73 @@
-//! Run-time feature detection for RISC-V on Linux.
-
-use super::auxvec;
-use crate::detect::{bit, cache, Feature};
-
-/// Read list of supported features from the auxiliary vector.
-pub(crate) fn detect_features() -> cache::Initializer {
-    let mut value = cache::Initializer::default();
-    let enable_feature = |value: &mut cache::Initializer, feature, enable| {
-        if enable {
-            value.set(feature as u32);
-        }
-    };
-    let enable_features = |value: &mut cache::Initializer, feature_slice: &[Feature], enable| {
-        if enable {
-            for feature in feature_slice {
-                value.set(*feature as u32);
-            }
-        }
-    };
-
-    // The values are part of the platform-specific [asm/hwcap.h][hwcap]
-    //
-    // [hwcap]: https://github.com/torvalds/linux/blob/master/arch/riscv/include/asm/hwcap.h
-    let auxv = auxvec::auxv().expect("read auxvec"); // should not fail on RISC-V platform
-    enable_feature(
-        &mut value,
-        Feature::a,
-        bit::test(auxv.hwcap, (b'a' - b'a').into()),
-    );
-    enable_feature(
-        &mut value,
-        Feature::c,
-        bit::test(auxv.hwcap, (b'c' - b'a').into()),
-    );
-    enable_features(
-        &mut value,
-        &[Feature::d, Feature::f, Feature::zicsr],
-        bit::test(auxv.hwcap, (b'd' - b'a').into()),
-    );
-    enable_features(
-        &mut value,
-        &[Feature::f, Feature::zicsr],
-        bit::test(auxv.hwcap, (b'f' - b'a').into()),
-    );
-    let has_i = bit::test(auxv.hwcap, (b'i' - b'a').into());
-    // If future RV128I is supported, implement with `enable_feature` here
-    #[cfg(target_pointer_width = "64")]
-    enable_feature(&mut value, Feature::rv64i, has_i);
-    #[cfg(target_pointer_width = "32")]
-    enable_feature(&mut value, Feature::rv32i, has_i);
-    #[cfg(target_pointer_width = "32")]
-    enable_feature(
-        &mut value,
-        Feature::rv32e,
-        bit::test(auxv.hwcap, (b'e' - b'a').into()),
-    );
-    enable_feature(
-        &mut value,
-        Feature::h,
-        bit::test(auxv.hwcap, (b'h' - b'a').into()),
-    );
-    enable_feature(
-        &mut value,
-        Feature::m,
-        bit::test(auxv.hwcap, (b'm' - b'a').into()),
-    );
-    // FIXME: Auxvec does not show supervisor feature support, but this mode may be useful
-    // to detect when Rust is used to write Linux kernel modules.
-    // These should be more than Auxvec way to detect supervisor features.
-
-    value
-}
+//! Run-time feature detection for RISC-V on Linux.
+
+use super::auxvec;
+use crate::detect::{bit, cache, Feature};
+
+/// Read list of supported features from the auxiliary vector.
+pub(crate) fn detect_features() -> cache::Initializer {
+    let mut value = cache::Initializer::default();
+    let enable_feature = |value: &mut cache::Initializer, feature, enable| {
+        if enable {
+            value.set(feature as u32);
+        }
+    };
+    let enable_features = |value: &mut cache::Initializer, feature_slice: &[Feature], enable| {
+        if enable {
+            for feature in feature_slice {
+                value.set(*feature as u32);
+            }
+        }
+    };
+
+    // The values are part of the platform-specific [asm/hwcap.h][hwcap]
+    //
+    // [hwcap]: https://github.com/torvalds/linux/blob/master/arch/riscv/include/asm/hwcap.h
+    let auxv = auxvec::auxv().expect("read auxvec"); // should not fail on RISC-V platform
+    enable_feature(
+        &mut value,
+        Feature::a,
+        bit::test(auxv.hwcap, (b'a' - b'a').into()),
+    );
+    enable_feature(
+        &mut value,
+        Feature::c,
+        bit::test(auxv.hwcap, (b'c' - b'a').into()),
+    );
+    enable_features(
+        &mut value,
+        &[Feature::d, Feature::f, Feature::zicsr],
+        bit::test(auxv.hwcap, (b'd' - b'a').into()),
+    );
+    enable_features(
+        &mut value,
+        &[Feature::f, Feature::zicsr],
+        bit::test(auxv.hwcap, (b'f' - b'a').into()),
+    );
+    let has_i = bit::test(auxv.hwcap, (b'i' - b'a').into());
+    // If future RV128I is supported, implement with `enable_feature` here
+    #[cfg(target_pointer_width = "64")]
+    enable_feature(&mut value, Feature::rv64i, has_i);
+    #[cfg(target_pointer_width = "32")]
+    enable_feature(&mut value, Feature::rv32i, has_i);
+    #[cfg(target_pointer_width = "32")]
+    enable_feature(
+        &mut value,
+        Feature::rv32e,
+        bit::test(auxv.hwcap, (b'e' - b'a').into()),
+    );
+    enable_feature(
+        &mut value,
+        Feature::h,
+        bit::test(auxv.hwcap, (b'h' - b'a').into()),
+    );
+    enable_feature(
+        &mut value,
+        Feature::m,
+        bit::test(auxv.hwcap, (b'm' - b'a').into()),
+    );
+    // FIXME: Auxvec does not show supervisor feature support, but this mode may be useful
+    // to detect when Rust is used to write Linux kernel modules.
+    // These should be more than Auxvec way to detect supervisor features.
+
+    value
+}