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- # SPDX-License-Identifier: GPL-2.0
- lib-y := clear_user.o delay.o copy_from_user.o \
- copy_to_user.o copy_in_user.o copy_page.o \
- clear_page.o memchr.o memcpy.o memmove.o memset.o \
- memcmp.o strcmp.o strncmp.o strlen.o strnlen.o \
- strchr.o strrchr.o tishift.o
- # Tell the compiler to treat all general purpose registers (with the
- # exception of the IP registers, which are already handled by the caller
- # in case of a PLT) as callee-saved, which allows for efficient runtime
- # patching of the bl instruction in the caller with an atomic instruction
- # when supported by the CPU. Result and argument registers are handled
- # correctly, based on the function prototype.
- lib-$(CONFIG_ARM64_LSE_ATOMICS) += atomic_ll_sc.o
- CFLAGS_atomic_ll_sc.o := -ffixed-x1 -ffixed-x2 \
- -ffixed-x3 -ffixed-x4 -ffixed-x5 -ffixed-x6 \
- -ffixed-x7 -fcall-saved-x8 -fcall-saved-x9 \
- -fcall-saved-x10 -fcall-saved-x11 -fcall-saved-x12 \
- -fcall-saved-x13 -fcall-saved-x14 -fcall-saved-x15 \
- -fcall-saved-x18 -fomit-frame-pointer
- CFLAGS_REMOVE_atomic_ll_sc.o := -pg
- GCOV_PROFILE_atomic_ll_sc.o := n
- KASAN_SANITIZE_atomic_ll_sc.o := n
- KCOV_INSTRUMENT_atomic_ll_sc.o := n
- UBSAN_SANITIZE_atomic_ll_sc.o := n
- lib-$(CONFIG_ARCH_HAS_UACCESS_FLUSHCACHE) += uaccess_flushcache.o
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