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cpufeatures: add support of armv8.2-a sm3, sm4 (#970) #972

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merged 3 commits into from
Oct 26, 2023
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cpufeatures: add support of armv8.2-a sm3, sm4 (#970) #972

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e4a7e7f
cpufeatures: add support of armv8.4-a sm3, sm4 (#970)
zonyitoo Oct 26, 2023
7278a56
cpufeatures: aarch64 tests enable sm4 features (#970)
zonyitoo Oct 26, 2023
0cb6dfa
cpufeatures: add sm4 in lib.rs doc (#970)
zonyitoo Oct 26, 2023
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2 changes: 2 additions & 0 deletions cpufeatures/src/aarch64.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -69,6 +69,7 @@ __expand_check_macro! {
("aes", AES), // Enable AES support.
("sha2", SHA2), // Enable SHA1 and SHA256 support.
("sha3", SHA3), // Enable SHA512 and SHA3 support.
("sm4", SM4), // Enable SM3 and SM4 support.
}

/// Linux hardware capabilities mapped to target features.
Expand All @@ -85,6 +86,7 @@ pub mod hwcaps {
pub const AES: c_ulong = libc::HWCAP_AES | libc::HWCAP_PMULL;
pub const SHA2: c_ulong = libc::HWCAP_SHA2;
pub const SHA3: c_ulong = libc::HWCAP_SHA3 | libc::HWCAP_SHA512;
pub const SM4: c_ulong = libc::HWCAP_SM3 | libc::HWCAP_SM4;
}

// Apple OS (macOS, iOS, watchOS, and tvOS) `check!` macro.
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4 changes: 4 additions & 0 deletions cpufeatures/src/lib.rs
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Expand Up @@ -18,6 +18,10 @@
//! - `sha2`*
//! - `sha3`*
//!
//! Linux only
//!
//! - `sm4`*
//!
//! ## `loongarch64`
//!
//! Linux only (LoongArch64 does not support OS-independent feature detection)
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2 changes: 1 addition & 1 deletion cpufeatures/tests/aarch64.rs
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Expand Up @@ -2,7 +2,7 @@

#![cfg(target_arch = "aarch64")]

cpufeatures::new!(armcaps, "aes", "sha2", "sha3");
cpufeatures::new!(armcaps, "aes", "sha2", "sha3", "sm4");

#[test]
fn init() {
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