xref: /linux/arch/arm64/lib/Makefile (revision cc04a46f11ea046ed53e2c832ae29e4790f7e35f)
1lib-y		:= bitops.o clear_user.o delay.o copy_from_user.o	\
2		   copy_to_user.o copy_in_user.o copy_page.o		\
3		   clear_page.o memchr.o memcpy.o memmove.o memset.o	\
4		   memcmp.o strcmp.o strncmp.o strlen.o strnlen.o	\
5		   strchr.o strrchr.o
6
7# Tell the compiler to treat all general purpose registers as
8# callee-saved, which allows for efficient runtime patching of the bl
9# instruction in the caller with an atomic instruction when supported by
10# the CPU. Result and argument registers are handled correctly, based on
11# the function prototype.
12lib-$(CONFIG_ARM64_LSE_ATOMICS) += atomic_ll_sc.o
13CFLAGS_atomic_ll_sc.o	:= -fcall-used-x0 -ffixed-x1 -ffixed-x2		\
14		   -ffixed-x3 -ffixed-x4 -ffixed-x5 -ffixed-x6		\
15		   -ffixed-x7 -fcall-saved-x8 -fcall-saved-x9		\
16		   -fcall-saved-x10 -fcall-saved-x11 -fcall-saved-x12	\
17		   -fcall-saved-x13 -fcall-saved-x14 -fcall-saved-x15	\
18		   -fcall-saved-x16 -fcall-saved-x17 -fcall-saved-x18
19