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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:20:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:20:29 +0000
commit631cd5845e8de329d0e227aaa707d7ea228b8f8f (patch)
treea1b87c8f8cad01cf18f7c5f57a08f102771ed303 /library/stdarch/crates/std_detect/src/detect/os/freebsd
parentAdding debian version 1.69.0+dfsg1-1. (diff)
downloadrustc-631cd5845e8de329d0e227aaa707d7ea228b8f8f.tar.xz
rustc-631cd5845e8de329d0e227aaa707d7ea228b8f8f.zip
Merging upstream version 1.70.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'library/stdarch/crates/std_detect/src/detect/os/freebsd')
-rw-r--r--library/stdarch/crates/std_detect/src/detect/os/freebsd/aarch64.rs18
-rw-r--r--library/stdarch/crates/std_detect/src/detect/os/freebsd/arm.rs22
2 files changed, 20 insertions, 20 deletions
diff --git a/library/stdarch/crates/std_detect/src/detect/os/freebsd/aarch64.rs b/library/stdarch/crates/std_detect/src/detect/os/freebsd/aarch64.rs
index 7d972b373..ccc48f536 100644
--- a/library/stdarch/crates/std_detect/src/detect/os/freebsd/aarch64.rs
+++ b/library/stdarch/crates/std_detect/src/detect/os/freebsd/aarch64.rs
@@ -1,21 +1,3 @@
//! Run-time feature detection for Aarch64 on FreeBSD.
pub(crate) use super::super::aarch64::detect_features;
-
-#[cfg(test)]
-mod tests {
- #[test]
- fn dump() {
- println!("asimd: {:?}", is_aarch64_feature_detected!("asimd"));
- println!("pmull: {:?}", is_aarch64_feature_detected!("pmull"));
- println!("fp: {:?}", is_aarch64_feature_detected!("fp"));
- println!("fp16: {:?}", is_aarch64_feature_detected!("fp16"));
- println!("sve: {:?}", is_aarch64_feature_detected!("sve"));
- println!("crc: {:?}", is_aarch64_feature_detected!("crc"));
- println!("lse: {:?}", is_aarch64_feature_detected!("lse"));
- println!("rdm: {:?}", is_aarch64_feature_detected!("rdm"));
- println!("rcpc: {:?}", is_aarch64_feature_detected!("rcpc"));
- println!("dotprod: {:?}", is_aarch64_feature_detected!("dotprod"));
- println!("tme: {:?}", is_aarch64_feature_detected!("tme"));
- }
-}
diff --git a/library/stdarch/crates/std_detect/src/detect/os/freebsd/arm.rs b/library/stdarch/crates/std_detect/src/detect/os/freebsd/arm.rs
index 4c9d763b4..97ede1d26 100644
--- a/library/stdarch/crates/std_detect/src/detect/os/freebsd/arm.rs
+++ b/library/stdarch/crates/std_detect/src/detect/os/freebsd/arm.rs
@@ -3,6 +3,15 @@
use super::auxvec;
use crate::detect::{cache, Feature};
+// Defined in machine/elf.h.
+// https://github.com/freebsd/freebsd-src/blob/deb63adf945d446ed91a9d84124c71f15ae571d1/sys/arm/include/elf.h
+const HWCAP_NEON: usize = 0x00001000;
+const HWCAP2_AES: usize = 0x00000001;
+const HWCAP2_PMULL: usize = 0x00000002;
+const HWCAP2_SHA1: usize = 0x00000004;
+const HWCAP2_SHA2: usize = 0x00000008;
+const HWCAP2_CRC32: usize = 0x00000010;
+
/// Try to read the features from the auxiliary vector
pub(crate) fn detect_features() -> cache::Initializer {
let mut value = cache::Initializer::default();
@@ -13,8 +22,17 @@ pub(crate) fn detect_features() -> cache::Initializer {
};
if let Ok(auxv) = auxvec::auxv() {
- enable_feature(&mut value, Feature::neon, auxv.hwcap & 0x00001000 != 0);
- enable_feature(&mut value, Feature::pmull, auxv.hwcap2 & 0x00000002 != 0);
+ enable_feature(&mut value, Feature::neon, auxv.hwcap & HWCAP_NEON != 0);
+ let pmull = auxv.hwcap2 & HWCAP2_PMULL != 0;
+ enable_feature(&mut value, Feature::pmull, pmull);
+ enable_feature(&mut value, Feature::crc, auxv.hwcap2 & HWCAP2_CRC32 != 0);
+ let aes = auxv.hwcap2 & HWCAP2_AES != 0;
+ enable_feature(&mut value, Feature::aes, aes);
+ // SHA2 requires SHA1 & SHA2 features
+ let sha1 = auxv.hwcap2 & HWCAP2_SHA1 != 0;
+ let sha2 = auxv.hwcap2 & HWCAP2_SHA2 != 0;
+ enable_feature(&mut value, Feature::sha2, sha1 && sha2);
+ enable_feature(&mut value, Feature::crypto, aes && pmull && sha1 && sha2);
return value;
}
value