forked from luck/tmp_suning_uos_patched
c09f98271f
Patch from Nicolas Pitre Here's an ARM assembly SHA1 implementation to replace the default C version. It is approximately 50% faster than the generic C version. On an XScale processor running at 400MHz: generic C version: 9.8 MB/s my version: 14.5 MB/s This code is useful to quite a few callers in the tree: crypto/sha1.c: sha_transform(sctx->state, sctx->buffer, temp); crypto/sha1.c: sha_transform(sctx->state, &data[i], temp); drivers/char/random.c: sha_transform(buf, (__u8 *)r->pool+i, buf + 5); drivers/char/random.c: sha_transform(buf, (__u8 *)data, buf + 5); net/ipv4/syncookies.c: sha_transform(tmp + 16, (__u8 *)tmp, tmp + 16 + 5); Signed-off-by: Nicolas Pitre <nico@cam.org> Seems to work fine on big-endian as well. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
30 lines
1.0 KiB
Makefile
30 lines
1.0 KiB
Makefile
#
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# linux/arch/arm/lib/Makefile
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#
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# Copyright (C) 1995-2000 Russell King
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#
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lib-y := backtrace.o changebit.o csumipv6.o csumpartial.o \
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csumpartialcopy.o csumpartialcopyuser.o clearbit.o \
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copy_page.o delay.o findbit.o memchr.o memcpy.o \
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memset.o memzero.o setbit.o strncpy_from_user.o \
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strnlen_user.o strchr.o strrchr.o testchangebit.o \
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testclearbit.o testsetbit.o uaccess.o getuser.o \
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putuser.o ashldi3.o ashrdi3.o lshrdi3.o muldi3.o \
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ucmpdi2.o lib1funcs.o div64.o sha1.o \
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io-readsb.o io-writesb.o io-readsl.o io-writesl.o
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ifeq ($(CONFIG_CPU_32v3),y)
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lib-y += io-readsw-armv3.o io-writesw-armv3.o
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else
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lib-y += io-readsw-armv4.o io-writesw-armv4.o
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endif
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lib-$(CONFIG_ARCH_RPC) += ecard.o io-acorn.o floppydma.o
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lib-$(CONFIG_ARCH_CLPS7500) += io-acorn.o
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lib-$(CONFIG_ARCH_L7200) += io-acorn.o
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lib-$(CONFIG_ARCH_SHARK) += io-shark.o
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$(obj)/csumpartialcopy.o: $(obj)/csumpartialcopygeneric.S
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$(obj)/csumpartialcopyuser.o: $(obj)/csumpartialcopygeneric.S
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