OSCL-LXR

0001 # SPDX-License-Identifier: GPL-2.0
0002 #
0003 # Makefile for x86 specific library files.
0004 #
0005
0006 # Produces uninteresting flaky coverage.
0007 KCOV_INSTRUMENT_delay.o := n
0008
0009 # KCSAN uses udelay for introducing watchpoint delay; avoid recursion.
0010 KCSAN_SANITIZE_delay.o := n
0011 ifdef CONFIG_KCSAN
0012 # In case KCSAN+lockdep+ftrace are enabled, disable ftrace for delay.o to avoid
0013 # lockdep -> [other libs] -> KCSAN -> udelay -> ftrace -> lockdep recursion.
0014 CFLAGS_REMOVE_delay.o = $(CC_FLAGS_FTRACE)
0015 endif
0016
0017 # Early boot use of cmdline; don't instrument it
0018 ifdef CONFIG_AMD_MEM_ENCRYPT
0019 KCOV_INSTRUMENT_cmdline.o := n
0020 KASAN_SANITIZE_cmdline.o  := n
0021 KCSAN_SANITIZE_cmdline.o  := n
0022
0023 ifdef CONFIG_FUNCTION_TRACER
0024 CFLAGS_REMOVE_cmdline.o = -pg
0025 endif
0026
0027 CFLAGS_cmdline.o := -fno-stack-protector -fno-jump-tables
0028 endif
0029
0030 inat_tables_script = $(srctree)/arch/x86/tools/gen-insn-attr-x86.awk
0031 inat_tables_maps = $(srctree)/arch/x86/lib/x86-opcode-map.txt
0032 quiet_cmd_inat_tables = GEN     $@
0033       cmd_inat_tables = $(AWK) -f $(inat_tables_script) $(inat_tables_maps) > $@
0034
0035 $(obj)/inat-tables.c: $(inat_tables_script) $(inat_tables_maps)
0036         $(call cmd,inat_tables)
0037
0038 $(obj)/inat.o: $(obj)/inat-tables.c
0039
0040 clean-files := inat-tables.c
0041
0042 obj-$(CONFIG_SMP) += msr-smp.o cache-smp.o
0043
0044 lib-y := delay.o misc.o cmdline.o cpu.o
0045 lib-y += usercopy_$(BITS).o usercopy.o getuser.o putuser.o
0046 lib-y += memcpy_$(BITS).o
0047 lib-y += pc-conf-reg.o
0048 lib-$(CONFIG_ARCH_HAS_COPY_MC) += copy_mc.o copy_mc_64.o
0049 lib-$(CONFIG_INSTRUCTION_DECODER) += insn.o inat.o insn-eval.o
0050 lib-$(CONFIG_RANDOMIZE_BASE) += kaslr.o
0051 lib-$(CONFIG_FUNCTION_ERROR_INJECTION)  += error-inject.o
0052 lib-$(CONFIG_RETPOLINE) += retpoline.o
0053
0054 obj-y += msr.o msr-reg.o msr-reg-export.o hweight.o
0055 obj-y += iomem.o
0056
0057 ifeq ($(CONFIG_X86_32),y)
0058         obj-y += atomic64_32.o
0059         lib-y += atomic64_cx8_32.o
0060         lib-y += checksum_32.o
0061         lib-y += strstr_32.o
0062         lib-y += string_32.o
0063 ifneq ($(CONFIG_X86_CMPXCHG64),y)
0064         lib-y += cmpxchg8b_emu.o atomic64_386_32.o
0065 endif
0066 else
0067         obj-y += iomap_copy_64.o
0068         lib-y += csum-partial_64.o csum-copy_64.o csum-wrappers_64.o
0069         lib-y += clear_page_64.o copy_page_64.o
0070         lib-y += memmove_64.o memset_64.o
0071         lib-y += copy_user_64.o
0072         lib-y += cmpxchg16b_emu.o
0073 endif