diff options
Diffstat (limited to 'src/cache_padded.rs')
-rw-r--r-- | src/cache_padded.rs | 30 |
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)) |