1# SPDX-License-Identifier: GPL-2.0 2lib-y := bitops.o clear_user.o delay.o copy_from_user.o \ 3 copy_to_user.o copy_in_user.o copy_page.o \ 4 clear_page.o memchr.o memcpy.o memmove.o memset.o \ 5 memcmp.o strcmp.o strncmp.o strlen.o strnlen.o \ 6 strchr.o strrchr.o 7 8# Tell the compiler to treat all general purpose registers (with the 9# exception of the IP registers, which are already handled by the caller 10# in case of a PLT) as callee-saved, which allows for efficient runtime 11# patching of the bl instruction in the caller with an atomic instruction 12# when supported by the CPU. Result and argument registers are handled 13# correctly, based on the function prototype. 14lib-$(CONFIG_ARM64_LSE_ATOMICS) += atomic_ll_sc.o 15CFLAGS_atomic_ll_sc.o := -fcall-used-x0 -ffixed-x1 -ffixed-x2 \ 16 -ffixed-x3 -ffixed-x4 -ffixed-x5 -ffixed-x6 \ 17 -ffixed-x7 -fcall-saved-x8 -fcall-saved-x9 \ 18 -fcall-saved-x10 -fcall-saved-x11 -fcall-saved-x12 \ 19 -fcall-saved-x13 -fcall-saved-x14 -fcall-saved-x15 \ 20 -fcall-saved-x18 21 22lib-$(CONFIG_ARCH_HAS_UACCESS_FLUSHCACHE) += uaccess_flushcache.o 23