tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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 (with the
8# exception of the IP registers, which are already handled by the caller
9# in case of a PLT) as callee-saved, which allows for efficient runtime
10# patching of the bl instruction in the caller with an atomic instruction
11# when supported by the CPU. Result and argument registers are handled
12# correctly, based on the function prototype.
13lib-$(CONFIG_ARM64_LSE_ATOMICS) += atomic_ll_sc.o
14CFLAGS_atomic_ll_sc.o := -fcall-used-x0 -ffixed-x1 -ffixed-x2 \
15 -ffixed-x3 -ffixed-x4 -ffixed-x5 -ffixed-x6 \
16 -ffixed-x7 -fcall-saved-x8 -fcall-saved-x9 \
17 -fcall-saved-x10 -fcall-saved-x11 -fcall-saved-x12 \
18 -fcall-saved-x13 -fcall-saved-x14 -fcall-saved-x15 \
19 -fcall-saved-x18