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twx-linux/lib/crypto/Makefile
Eric Biggers 39ee3970f2 lib/crypto: blake2s: Consolidate into single C translation unit 
As was done with the other algorithms, reorganize the BLAKE2s code so
that the generic implementation and the arch-specific "glue" code is
consolidated into a single translation unit, so that the compiler will
inline the functions and automatically decide whether to include the
generic code in the resulting binary or not.

Similarly, also consolidate the build rules into
lib/crypto/{Makefile,Kconfig}.  This removes the last uses of
lib/crypto/{arm,x86}/{Makefile,Kconfig}, so remove those too.

Don't keep the !KMSAN dependency.  It was needed only for other
algorithms such as ChaCha that initialize memory from assembly code.

Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20250827151131.27733-12-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
2025-08-29 09:50:19 -07:00

268 lines
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# SPDX-License-Identifier: GPL-2.0
aflags-thumb2-$(CONFIG_THUMB2_KERNEL) := -U__thumb2__ -D__thumb2__=1
quiet_cmd_perlasm = PERLASM $@
cmd_perlasm = $(PERL) $(<) > $(@)
quiet_cmd_perlasm_with_args = PERLASM $@
cmd_perlasm_with_args = $(PERL) $(<) void $(@)
obj-$(CONFIG_KUNIT) += tests/
obj-$(CONFIG_CRYPTO_HASH_INFO) += hash_info.o
obj-$(CONFIG_CRYPTO_LIB_UTILS) += libcryptoutils.o
libcryptoutils-y := memneq.o utils.o
obj-$(CONFIG_CRYPTO_LIB_AES) += libaes.o
libaes-y := aes.o
obj-$(CONFIG_CRYPTO_LIB_AESCFB) += libaescfb.o
libaescfb-y := aescfb.o
obj-$(CONFIG_CRYPTO_LIB_AESGCM) += libaesgcm.o
libaesgcm-y := aesgcm.o
obj-$(CONFIG_CRYPTO_LIB_ARC4) += libarc4.o
libarc4-y := arc4.o
obj-$(CONFIG_CRYPTO_LIB_GF128MUL) += gf128mul.o
################################################################################
# blake2s is used by the /dev/random driver which is always builtin
obj-y += blake2s.o
ifeq ($(CONFIG_CRYPTO_LIB_BLAKE2S_ARCH),y)
CFLAGS_blake2s.o += -I$(src)/$(SRCARCH)
obj-$(CONFIG_ARM) += arm/blake2s-core.o
obj-$(CONFIG_X86) += x86/blake2s-core.o
endif
################################################################################
# chacha20_block() is used by the /dev/random driver which is always builtin
obj-y += chacha-block-generic.o
obj-$(CONFIG_CRYPTO_LIB_CHACHA) += libchacha.o
libchacha-y := chacha.o
ifeq ($(CONFIG_CRYPTO_LIB_CHACHA_ARCH),y)
CFLAGS_chacha.o += -I$(src)/$(SRCARCH)
ifeq ($(CONFIG_ARM),y)
libchacha-y += arm/chacha-scalar-core.o
libchacha-$(CONFIG_KERNEL_MODE_NEON) += arm/chacha-neon-core.o
endif
libchacha-$(CONFIG_ARM64) += arm64/chacha-neon-core.o
ifeq ($(CONFIG_MIPS),y)
libchacha-y += mips/chacha-core.o
AFLAGS_mips/chacha-core.o += -O2 # needed to fill branch delay slots
endif
libchacha-$(CONFIG_PPC) += powerpc/chacha-p10le-8x.o
libchacha-$(CONFIG_RISCV) += riscv/chacha-riscv64-zvkb.o
libchacha-$(CONFIG_S390) += s390/chacha-s390.o
libchacha-$(CONFIG_X86) += x86/chacha-ssse3-x86_64.o \
x86/chacha-avx2-x86_64.o \
x86/chacha-avx512vl-x86_64.o
endif # CONFIG_CRYPTO_LIB_CHACHA_ARCH
################################################################################
obj-$(CONFIG_CRYPTO_LIB_CHACHA20POLY1305) += libchacha20poly1305.o
libchacha20poly1305-y += chacha20poly1305.o
libchacha20poly1305-$(CONFIG_CRYPTO_SELFTESTS) += chacha20poly1305-selftest.o
obj-$(CONFIG_CRYPTO_LIB_CURVE25519_GENERIC) += libcurve25519-generic.o
libcurve25519-generic-y := curve25519-fiat32.o
libcurve25519-generic-$(CONFIG_ARCH_SUPPORTS_INT128) := curve25519-hacl64.o
libcurve25519-generic-y += curve25519-generic.o
# clang versions prior to 18 may blow out the stack with KASAN
ifeq ($(call clang-min-version, 180000),)
KASAN_SANITIZE_curve25519-hacl64.o := n
endif
obj-$(CONFIG_CRYPTO_LIB_CURVE25519) += libcurve25519.o
libcurve25519-y += curve25519.o
libcurve25519-$(CONFIG_CRYPTO_SELFTESTS) += curve25519-selftest.o
obj-$(CONFIG_CRYPTO_LIB_DES) += libdes.o
libdes-y := des.o
################################################################################
obj-$(CONFIG_CRYPTO_LIB_MD5) += libmd5.o
libmd5-y := md5.o
ifeq ($(CONFIG_CRYPTO_LIB_MD5_ARCH),y)
CFLAGS_md5.o += -I$(src)/$(SRCARCH)
libmd5-$(CONFIG_PPC) += powerpc/md5-asm.o
libmd5-$(CONFIG_SPARC) += sparc/md5_asm.o
endif # CONFIG_CRYPTO_LIB_MD5_ARCH
################################################################################
obj-$(CONFIG_CRYPTO_LIB_POLY1305) += libpoly1305.o
libpoly1305-y := poly1305.o
ifeq ($(CONFIG_ARCH_SUPPORTS_INT128),y)
libpoly1305-$(CONFIG_CRYPTO_LIB_POLY1305_GENERIC) += poly1305-donna64.o
else
libpoly1305-$(CONFIG_CRYPTO_LIB_POLY1305_GENERIC) += poly1305-donna32.o
endif
ifeq ($(CONFIG_CRYPTO_LIB_POLY1305_ARCH),y)
CFLAGS_poly1305.o += -I$(src)/$(SRCARCH)
ifeq ($(CONFIG_ARM),y)
libpoly1305-y += arm/poly1305-core.o
$(obj)/arm/poly1305-core.S: $(src)/arm/poly1305-armv4.pl
$(call cmd,perlasm)
# massage the perlasm code a bit so we only get the NEON routine if we need it
poly1305-aflags-$(CONFIG_CPU_V7) := -U__LINUX_ARM_ARCH__ -D__LINUX_ARM_ARCH__=5
poly1305-aflags-$(CONFIG_KERNEL_MODE_NEON) := -U__LINUX_ARM_ARCH__ -D__LINUX_ARM_ARCH__=7
AFLAGS_arm/poly1305-core.o += $(poly1305-aflags-y) $(aflags-thumb2-y)
endif
ifeq ($(CONFIG_ARM64),y)
libpoly1305-y += arm64/poly1305-core.o
$(obj)/arm64/poly1305-core.S: $(src)/arm64/poly1305-armv8.pl
$(call cmd,perlasm_with_args)
endif
ifeq ($(CONFIG_MIPS),y)
libpoly1305-y += mips/poly1305-core.o
poly1305-perlasm-flavour-$(CONFIG_32BIT) := o32
poly1305-perlasm-flavour-$(CONFIG_64BIT) := 64
quiet_cmd_perlasm_poly1305 = PERLASM $@
cmd_perlasm_poly1305 = $(PERL) $< $(poly1305-perlasm-flavour-y) $@
# Use if_changed instead of cmd, in case the flavour changed.
$(obj)/mips/poly1305-core.S: $(src)/mips/poly1305-mips.pl FORCE
$(call if_changed,perlasm_poly1305)
targets += mips/poly1305-core.S
endif
libpoly1305-$(CONFIG_PPC) += powerpc/poly1305-p10le_64.o
ifeq ($(CONFIG_RISCV),y)
libpoly1305-y += riscv/poly1305-core.o
poly1305-perlasm-flavour-$(CONFIG_32BIT) := 32
poly1305-perlasm-flavour-$(CONFIG_64BIT) := 64
quiet_cmd_perlasm_poly1305 = PERLASM $@
cmd_perlasm_poly1305 = $(PERL) $< $(poly1305-perlasm-flavour-y) $@
# Use if_changed instead of cmd, in case the flavour changed.
$(obj)/riscv/poly1305-core.S: $(src)/riscv/poly1305-riscv.pl FORCE
$(call if_changed,perlasm_poly1305)
targets += riscv/poly1305-core.S
AFLAGS_riscv/poly1305-core.o += -Dpoly1305_init=poly1305_block_init
endif
ifeq ($(CONFIG_X86),y)
libpoly1305-y += x86/poly1305-x86_64-cryptogams.o
$(obj)/x86/poly1305-x86_64-cryptogams.S: $(src)/x86/poly1305-x86_64-cryptogams.pl
$(call cmd,perlasm)
endif
endif # CONFIG_CRYPTO_LIB_POLY1305_ARCH
# clean-files must be defined unconditionally
clean-files += arm/poly1305-core.S \
arm64/poly1305-core.S \
mips/poly1305-core.S \
riscv/poly1305-core.S \
x86/poly1305-x86_64-cryptogams.S
################################################################################
obj-$(CONFIG_CRYPTO_LIB_SHA1) += libsha1.o
libsha1-y := sha1.o
ifeq ($(CONFIG_CRYPTO_LIB_SHA1_ARCH),y)
CFLAGS_sha1.o += -I$(src)/$(SRCARCH)
ifeq ($(CONFIG_ARM),y)
libsha1-y += arm/sha1-armv4-large.o
libsha1-$(CONFIG_KERNEL_MODE_NEON) += arm/sha1-armv7-neon.o \
arm/sha1-ce-core.o
endif
libsha1-$(CONFIG_ARM64) += arm64/sha1-ce-core.o
ifeq ($(CONFIG_PPC),y)
libsha1-y += powerpc/sha1-powerpc-asm.o
libsha1-$(CONFIG_SPE) += powerpc/sha1-spe-asm.o
endif
libsha1-$(CONFIG_SPARC) += sparc/sha1_asm.o
libsha1-$(CONFIG_X86) += x86/sha1-ssse3-and-avx.o \
x86/sha1-avx2-asm.o \
x86/sha1-ni-asm.o
endif # CONFIG_CRYPTO_LIB_SHA1_ARCH
################################################################################
obj-$(CONFIG_CRYPTO_LIB_SHA256) += libsha256.o
libsha256-y := sha256.o
ifeq ($(CONFIG_CRYPTO_LIB_SHA256_ARCH),y)
CFLAGS_sha256.o += -I$(src)/$(SRCARCH)
ifeq ($(CONFIG_ARM),y)
libsha256-y += arm/sha256-ce.o arm/sha256-core.o
$(obj)/arm/sha256-core.S: $(src)/arm/sha256-armv4.pl
$(call cmd,perlasm)
AFLAGS_arm/sha256-core.o += $(aflags-thumb2-y)
endif
ifeq ($(CONFIG_ARM64),y)
libsha256-y += arm64/sha256-core.o
$(obj)/arm64/sha256-core.S: $(src)/arm64/sha2-armv8.pl
$(call cmd,perlasm_with_args)
libsha256-$(CONFIG_KERNEL_MODE_NEON) += arm64/sha256-ce.o
endif
libsha256-$(CONFIG_PPC) += powerpc/sha256-spe-asm.o
libsha256-$(CONFIG_RISCV) += riscv/sha256-riscv64-zvknha_or_zvknhb-zvkb.o
libsha256-$(CONFIG_SPARC) += sparc/sha256_asm.o
libsha256-$(CONFIG_X86) += x86/sha256-ssse3-asm.o \
x86/sha256-avx-asm.o \
x86/sha256-avx2-asm.o \
x86/sha256-ni-asm.o
endif # CONFIG_CRYPTO_LIB_SHA256_ARCH
################################################################################
obj-$(CONFIG_CRYPTO_LIB_SHA512) += libsha512.o
libsha512-y := sha512.o
ifeq ($(CONFIG_CRYPTO_LIB_SHA512_ARCH),y)
CFLAGS_sha512.o += -I$(src)/$(SRCARCH)
ifeq ($(CONFIG_ARM),y)
libsha512-y += arm/sha512-core.o
$(obj)/arm/sha512-core.S: $(src)/arm/sha512-armv4.pl
$(call cmd,perlasm)
AFLAGS_arm/sha512-core.o += $(aflags-thumb2-y)
endif
ifeq ($(CONFIG_ARM64),y)
libsha512-y += arm64/sha512-core.o
$(obj)/arm64/sha512-core.S: $(src)/arm64/sha2-armv8.pl
$(call cmd,perlasm_with_args)
libsha512-$(CONFIG_KERNEL_MODE_NEON) += arm64/sha512-ce-core.o
endif
libsha512-$(CONFIG_RISCV) += riscv/sha512-riscv64-zvknhb-zvkb.o
libsha512-$(CONFIG_SPARC) += sparc/sha512_asm.o
libsha512-$(CONFIG_X86) += x86/sha512-ssse3-asm.o \
x86/sha512-avx-asm.o \
x86/sha512-avx2-asm.o
endif # CONFIG_CRYPTO_LIB_SHA512_ARCH
################################################################################
obj-$(CONFIG_MPILIB) += mpi/
obj-$(CONFIG_CRYPTO_SELFTESTS_FULL) += simd.o
obj-$(CONFIG_CRYPTO_LIB_SM3) += libsm3.o
libsm3-y := sm3.o
# clean-files must be defined unconditionally
clean-files += arm/sha256-core.S arm/sha512-core.S
clean-files += arm64/sha256-core.S arm64/sha512-core.S
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