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-rw-r--r--src/cache_padded.rs30
1 files changed, 24 insertions, 6 deletions
diff --git a/src/cache_padded.rs b/src/cache_padded.rs
index b5d5d33..f44f2d7 100644
--- a/src/cache_padded.rs
+++ b/src/cache_padded.rs
@@ -14,7 +14,8 @@ use core::ops::{Deref, DerefMut};
/// Cache lines are assumed to be N bytes long, depending on the architecture:
///
/// * On x86-64, aarch64, and powerpc64, N = 128.
-/// * On arm, mips, mips64, and riscv64, N = 32.
+/// * On arm, mips, mips64, sparc, and hexagon, N = 32.
+/// * On m68k, N = 16.
/// * On s390x, N = 256.
/// * On all others, N = 64.
///
@@ -75,6 +76,7 @@ use core::ops::{Deref, DerefMut};
//
// Sources:
// - https://github.com/golang/go/blob/3dd58676054223962cd915bb0934d1f9f489d4d2/src/internal/cpu/cpu_ppc64x.go#L9
+// - https://github.com/torvalds/linux/blob/3516bd729358a2a9b090c1905bd2a3fa926e24c6/arch/powerpc/include/asm/cache.h#L26
#[cfg_attr(
any(
target_arch = "x86_64",
@@ -83,33 +85,45 @@ use core::ops::{Deref, DerefMut};
),
repr(align(128))
)]
-// arm, mips, mips64, and riscv64 have 32-byte cache line size.
+// arm, mips, mips64, sparc, and hexagon have 32-byte cache line size.
//
// Sources:
// - https://github.com/golang/go/blob/3dd58676054223962cd915bb0934d1f9f489d4d2/src/internal/cpu/cpu_arm.go#L7
// - https://github.com/golang/go/blob/3dd58676054223962cd915bb0934d1f9f489d4d2/src/internal/cpu/cpu_mips.go#L7
// - https://github.com/golang/go/blob/3dd58676054223962cd915bb0934d1f9f489d4d2/src/internal/cpu/cpu_mipsle.go#L7
// - https://github.com/golang/go/blob/3dd58676054223962cd915bb0934d1f9f489d4d2/src/internal/cpu/cpu_mips64x.go#L9
-// - https://github.com/golang/go/blob/3dd58676054223962cd915bb0934d1f9f489d4d2/src/internal/cpu/cpu_riscv64.go#L7
+// - https://github.com/torvalds/linux/blob/3516bd729358a2a9b090c1905bd2a3fa926e24c6/arch/sparc/include/asm/cache.h#L17
+// - https://github.com/torvalds/linux/blob/3516bd729358a2a9b090c1905bd2a3fa926e24c6/arch/hexagon/include/asm/cache.h#L12
#[cfg_attr(
any(
target_arch = "arm",
target_arch = "mips",
+ target_arch = "mips32r6",
target_arch = "mips64",
- target_arch = "riscv64",
+ target_arch = "mips64r6",
+ target_arch = "sparc",
+ target_arch = "hexagon",
),
repr(align(32))
)]
+// m68k has 16-byte cache line size.
+//
+// Sources:
+// - https://github.com/torvalds/linux/blob/3516bd729358a2a9b090c1905bd2a3fa926e24c6/arch/m68k/include/asm/cache.h#L9
+#[cfg_attr(target_arch = "m68k", repr(align(16)))]
// s390x has 256-byte cache line size.
//
// Sources:
// - https://github.com/golang/go/blob/3dd58676054223962cd915bb0934d1f9f489d4d2/src/internal/cpu/cpu_s390x.go#L7
+// - https://github.com/torvalds/linux/blob/3516bd729358a2a9b090c1905bd2a3fa926e24c6/arch/s390/include/asm/cache.h#L13
#[cfg_attr(target_arch = "s390x", repr(align(256)))]
-// x86 and wasm have 64-byte cache line size.
+// x86, wasm, riscv, and sparc64 have 64-byte cache line size.
//
// Sources:
// - https://github.com/golang/go/blob/dda2991c2ea0c5914714469c4defc2562a907230/src/internal/cpu/cpu_x86.go#L9
// - https://github.com/golang/go/blob/3dd58676054223962cd915bb0934d1f9f489d4d2/src/internal/cpu/cpu_wasm.go#L7
+// - https://github.com/torvalds/linux/blob/3516bd729358a2a9b090c1905bd2a3fa926e24c6/arch/riscv/include/asm/cache.h#L10
+// - https://github.com/torvalds/linux/blob/3516bd729358a2a9b090c1905bd2a3fa926e24c6/arch/sparc/include/asm/cache.h#L19
//
// All others are assumed to have 64-byte cache line size.
#[cfg_attr(
@@ -119,8 +133,12 @@ use core::ops::{Deref, DerefMut};
target_arch = "powerpc64",
target_arch = "arm",
target_arch = "mips",
+ target_arch = "mips32r6",
target_arch = "mips64",
- target_arch = "riscv64",
+ target_arch = "mips64r6",
+ target_arch = "sparc",
+ target_arch = "hexagon",
+ target_arch = "m68k",
target_arch = "s390x",
)),
repr(align(64))