arch/arm/lib/Makefile

Source file repositories/reference/linux-study-clean/arch/arm/lib/Makefile

File Facts

System
Linux kernel
Corpus path
arch/arm/lib/Makefile
Extension
[no extension]
Size
1333 bytes
Lines
43
Domain
Architecture Layer
Bucket
arch/arm
Inferred role
Architecture Layer: build/configuration rule
Status
atlas-only

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

# SPDX-License-Identifier: GPL-2.0
#
# linux/arch/arm/lib/Makefile
#
# Copyright (C) 1995-2000 Russell King
#

lib-y		:= changebit.o csumipv6.o csumpartial.o               \
		   csumpartialcopy.o csumpartialcopyuser.o clearbit.o \
		   delay.o delay-loop.o findbit.o memchr.o memcpy.o   \
		   memmove.o memset.o setbit.o                        \
		   strchr.o strrchr.o                                 \
		   testchangebit.o testclearbit.o testsetbit.o        \
		   ashldi3.o ashrdi3.o lshrdi3.o muldi3.o             \
		   ucmpdi2.o lib1funcs.o div64.o                      \
		   io-readsb.o io-writesb.o io-readsl.o io-writesl.o  \
		   call_with_stack.o bswapsdi2.o

mmu-y		:= clear_user.o copy_page.o getuser.o putuser.o       \
		   copy_from_user.o copy_to_user.o

ifdef CONFIG_CC_IS_CLANG
  lib-y	+= backtrace-clang.o
else
  lib-y	+= backtrace.o
endif

# using lib_ here won't override already available weak symbols
obj-$(CONFIG_UACCESS_WITH_MEMCPY) += uaccess_with_memcpy.o

lib-$(CONFIG_MMU) += $(mmu-y)

ifeq ($(CONFIG_CPU_32v3),y)
  lib-y	+= io-readsw-armv3.o io-writesw-armv3.o
else
  lib-y	+= io-readsw-armv4.o io-writesw-armv4.o
endif

$(obj)/csumpartialcopy.o:	$(obj)/csumpartialcopygeneric.S
$(obj)/csumpartialcopyuser.o:	$(obj)/csumpartialcopygeneric.S

obj-$(CONFIG_FUNCTION_ERROR_INJECTION) += error-inject.o

Annotation

Implementation Notes