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linux/lib/crypto/arm64/Makefile

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Makefile
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crypto: arm64 - move library functions to arch/arm64/lib/crypto/ Continue disentangling the crypto library functions from the generic crypto infrastructure by moving the arm64 ChaCha and Poly1305 library functions into a new directory arch/arm64/lib/crypto/ that does not depend on CRYPTO. This mirrors the distinction between crypto/ and lib/crypto/. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-04-22 08:27:09 -07:00
# SPDX-License-Identifier: GPL-2.0-only
obj-$(CONFIG_CRYPTO_CHACHA20_NEON) += chacha-neon.o
chacha-neon-y := chacha-neon-core.o chacha-neon-glue.o
obj-$(CONFIG_CRYPTO_POLY1305_NEON) += poly1305-neon.o
poly1305-neon-y := poly1305-core.o poly1305-glue.o
crypto: arm64/poly1305 - Add block-only interface Add block-only interface. Also remove the unnecessary SIMD fallback path. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-04-28 12:56:11 +08:00
AFLAGS_poly1305-core.o += -Dpoly1305_init=poly1305_block_init_arch
AFLAGS_poly1305-core.o += -Dpoly1305_emit=poly1305_emit_arch
crypto: arm64 - move library functions to arch/arm64/lib/crypto/ Continue disentangling the crypto library functions from the generic crypto infrastructure by moving the arm64 ChaCha and Poly1305 library functions into a new directory arch/arm64/lib/crypto/ that does not depend on CRYPTO. This mirrors the distinction between crypto/ and lib/crypto/. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2025-04-22 08:27:09 -07:00
quiet_cmd_perlasm = PERLASM $@
cmd_perlasm = $(PERL) $(<) void $(@)
$(obj)/%-core.S: $(src)/%-armv8.pl
$(call cmd,perlasm)
lib/crypto: sha256: Consolidate into single module Consolidate the CPU-based SHA-256 code into a single module, following what I did with SHA-512: - Each arch now provides a header file lib/crypto/$(SRCARCH)/sha256.h, replacing lib/crypto/$(SRCARCH)/sha256.c. The header defines sha256_blocks() and optionally sha256_mod_init_arch(). It is included by lib/crypto/sha256.c, and thus the code gets built into the single libsha256 module, with proper inlining and dead code elimination. - sha256_blocks_generic() is moved from lib/crypto/sha256-generic.c into lib/crypto/sha256.c. It's now a static function marked with __maybe_unused, so the compiler automatically eliminates it in any cases where it's not used. - Whether arch-optimized SHA-256 is buildable is now controlled centrally by lib/crypto/Kconfig instead of by lib/crypto/$(SRCARCH)/Kconfig. The conditions for enabling it remain the same as before, and it remains enabled by default. - Any additional arch-specific translation units for the optimized SHA-256 code (such as assembly files) are now compiled by lib/crypto/Makefile instead of lib/crypto/$(SRCARCH)/Makefile. Acked-by: Ard Biesheuvel <ardb@kernel.org> Link: https://lore.kernel.org/r/20250630160645.3198-13-ebiggers@kernel.org Signed-off-by: Eric Biggers <ebiggers@kernel.org>
2025-06-30 09:06:43 -07:00
clean-files += poly1305-core.S
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