c9ff7eb7e9
In preparation for using blake2s in the RNG, we change the way that it is wired-in to the build system. Instead of using ifdefs to select the right symbol, we use weak symbols. And because ARM doesn't need the generic implementation, we make the generic one default only if an arch library doesn't need it already, and then have arch libraries that do need it opt-in. So that the arch libraries can remain tristate rather than bool, we then split the shash part from the glue code. Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Acked-by: Ard Biesheuvel <ardb@kernel.org> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Masahiro Yamada <masahiroy@kernel.org> Cc: linux-kbuild@vger.kernel.org Cc: linux-crypto@vger.kernel.org Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> (cherry picked from commit 6048fdcc5f269c7f31d774c295ce59081b36e6f9) Conflicts: arch/x86/crypto/Makefile arch/x86/crypto/blake2s-glue.c lib/crypto/Kconfig Change-Id: I6861048dfd30aba6fbab8c5543e852e4edca300e Signed-off-by: Eric Biggers <ebiggers@google.com>
90 lines
3.4 KiB
Makefile
90 lines
3.4 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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#
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# Arch-specific CryptoAPI modules.
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#
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obj-$(CONFIG_CRYPTO_AES_ARM) += aes-arm.o
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obj-$(CONFIG_CRYPTO_AES_ARM_BS) += aes-arm-bs.o
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obj-$(CONFIG_CRYPTO_SHA1_ARM) += sha1-arm.o
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obj-$(CONFIG_CRYPTO_SHA1_ARM_NEON) += sha1-arm-neon.o
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obj-$(CONFIG_CRYPTO_SHA256_ARM) += sha256-arm.o
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obj-$(CONFIG_CRYPTO_SHA512_ARM) += sha512-arm.o
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obj-$(CONFIG_CRYPTO_BLAKE2S_ARM) += blake2s-arm.o
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obj-$(if $(CONFIG_CRYPTO_BLAKE2S_ARM),y) += libblake2s-arm.o
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obj-$(CONFIG_CRYPTO_BLAKE2B_NEON) += blake2b-neon.o
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obj-$(CONFIG_CRYPTO_CHACHA20_NEON) += chacha-neon.o
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obj-$(CONFIG_CRYPTO_POLY1305_ARM) += poly1305-arm.o
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obj-$(CONFIG_CRYPTO_NHPOLY1305_NEON) += nhpoly1305-neon.o
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obj-$(CONFIG_CRYPTO_CURVE25519_NEON) += curve25519-neon.o
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ce-obj-$(CONFIG_CRYPTO_AES_ARM_CE) += aes-arm-ce.o
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ce-obj-$(CONFIG_CRYPTO_SHA1_ARM_CE) += sha1-arm-ce.o
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ce-obj-$(CONFIG_CRYPTO_SHA2_ARM_CE) += sha2-arm-ce.o
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ce-obj-$(CONFIG_CRYPTO_GHASH_ARM_CE) += ghash-arm-ce.o
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ce-obj-$(CONFIG_CRYPTO_CRCT10DIF_ARM_CE) += crct10dif-arm-ce.o
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crc-obj-$(CONFIG_CRYPTO_CRC32_ARM_CE) += crc32-arm-ce.o
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ifneq ($(crc-obj-y)$(crc-obj-m),)
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ifeq ($(call as-instr,.arch armv8-a\n.arch_extension crc,y,n),y)
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ce-obj-y += $(crc-obj-y)
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ce-obj-m += $(crc-obj-m)
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else
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$(warning These CRC Extensions modules need binutils 2.23 or higher)
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$(warning $(crc-obj-y) $(crc-obj-m))
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endif
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endif
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ifneq ($(ce-obj-y)$(ce-obj-m),)
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ifeq ($(call as-instr,.fpu crypto-neon-fp-armv8,y,n),y)
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obj-y += $(ce-obj-y)
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obj-m += $(ce-obj-m)
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else
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$(warning These ARMv8 Crypto Extensions modules need binutils 2.23 or higher)
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$(warning $(ce-obj-y) $(ce-obj-m))
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endif
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endif
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aes-arm-y := aes-cipher-core.o aes-cipher-glue.o
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aes-arm-bs-y := aes-neonbs-core.o aes-neonbs-glue.o
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sha1-arm-y := sha1-armv4-large.o sha1_glue.o
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sha1-arm-neon-y := sha1-armv7-neon.o sha1_neon_glue.o
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sha256-arm-neon-$(CONFIG_KERNEL_MODE_NEON) := sha256_neon_glue.o
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sha256-arm-y := sha256-core.o sha256_glue.o $(sha256-arm-neon-y)
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sha512-arm-neon-$(CONFIG_KERNEL_MODE_NEON) := sha512-neon-glue.o
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sha512-arm-y := sha512-core.o sha512-glue.o $(sha512-arm-neon-y)
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blake2s-arm-y := blake2s-shash.o
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libblake2s-arm-y:= blake2s-core.o blake2s-glue.o
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blake2b-neon-y := blake2b-neon-core.o blake2b-neon-glue.o
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sha1-arm-ce-y := sha1-ce-core.o sha1-ce-glue.o
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sha2-arm-ce-y := sha2-ce-core.o sha2-ce-glue.o
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aes-arm-ce-y := aes-ce-core.o aes-ce-glue.o
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ghash-arm-ce-y := ghash-ce-core.o ghash-ce-glue.o
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crct10dif-arm-ce-y := crct10dif-ce-core.o crct10dif-ce-glue.o
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crc32-arm-ce-y:= crc32-ce-core.o crc32-ce-glue.o
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chacha-neon-y := chacha-scalar-core.o chacha-glue.o
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chacha-neon-$(CONFIG_KERNEL_MODE_NEON) += chacha-neon-core.o
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poly1305-arm-y := poly1305-core.o poly1305-glue.o
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nhpoly1305-neon-y := nh-neon-core.o nhpoly1305-neon-glue.o
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curve25519-neon-y := curve25519-core.o curve25519-glue.o
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ifdef REGENERATE_ARM_CRYPTO
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quiet_cmd_perl = PERL $@
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cmd_perl = $(PERL) $(<) > $(@)
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$(src)/poly1305-core.S_shipped: $(src)/poly1305-armv4.pl
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$(call cmd,perl)
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$(src)/sha256-core.S_shipped: $(src)/sha256-armv4.pl
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$(call cmd,perl)
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$(src)/sha512-core.S_shipped: $(src)/sha512-armv4.pl
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$(call cmd,perl)
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endif
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targets += poly1305-core.S sha256-core.S sha512-core.S
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# massage the perlasm code a bit so we only get the NEON routine if we need it
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poly1305-aflags-$(CONFIG_CPU_V7) := -U__LINUX_ARM_ARCH__ -D__LINUX_ARM_ARCH__=5
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poly1305-aflags-$(CONFIG_KERNEL_MODE_NEON) := -U__LINUX_ARM_ARCH__ -D__LINUX_ARM_ARCH__=7
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AFLAGS_poly1305-core.o += $(poly1305-aflags-y)
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