xref: /linux/arch/x86/lib/Makefile (revision 84b9b44b) 
1# SPDX-License-Identifier: GPL-2.0
2#
3# Makefile for x86 specific library files.
4#
5
6# Produces uninteresting flaky coverage.
7KCOV_INSTRUMENT_delay.o	:= n
8
9# KCSAN uses udelay for introducing watchpoint delay; avoid recursion.
10KCSAN_SANITIZE_delay.o := n
11ifdef CONFIG_KCSAN
12# In case KCSAN+lockdep+ftrace are enabled, disable ftrace for delay.o to avoid
13# lockdep -> [other libs] -> KCSAN -> udelay -> ftrace -> lockdep recursion.
14CFLAGS_REMOVE_delay.o = $(CC_FLAGS_FTRACE)
15endif
16
17# Early boot use of cmdline; don't instrument it
18ifdef CONFIG_AMD_MEM_ENCRYPT
19KCOV_INSTRUMENT_cmdline.o := n
20KASAN_SANITIZE_cmdline.o  := n
21KCSAN_SANITIZE_cmdline.o  := n
22
23ifdef CONFIG_FUNCTION_TRACER
24CFLAGS_REMOVE_cmdline.o = -pg
25endif
26
27CFLAGS_cmdline.o := -fno-stack-protector -fno-jump-tables
28endif
29
30inat_tables_script = $(srctree)/arch/x86/tools/gen-insn-attr-x86.awk
31inat_tables_maps = $(srctree)/arch/x86/lib/x86-opcode-map.txt
32quiet_cmd_inat_tables = GEN     $@
33      cmd_inat_tables = $(AWK) -f $(inat_tables_script) $(inat_tables_maps) > $@
34
35$(obj)/inat-tables.c: $(inat_tables_script) $(inat_tables_maps)
36	$(call cmd,inat_tables)
37
38$(obj)/inat.o: $(obj)/inat-tables.c
39
40clean-files := inat-tables.c
41
42obj-$(CONFIG_SMP) += msr-smp.o cache-smp.o
43
44lib-y := delay.o misc.o cmdline.o cpu.o
45lib-y += usercopy_$(BITS).o usercopy.o getuser.o putuser.o
46lib-y += memcpy_$(BITS).o
47lib-y += pc-conf-reg.o
48lib-$(CONFIG_ARCH_HAS_COPY_MC) += copy_mc.o copy_mc_64.o
49lib-$(CONFIG_INSTRUCTION_DECODER) += insn.o inat.o insn-eval.o
50lib-$(CONFIG_RANDOMIZE_BASE) += kaslr.o
51lib-$(CONFIG_FUNCTION_ERROR_INJECTION)	+= error-inject.o
52lib-$(CONFIG_RETPOLINE) += retpoline.o
53
54obj-y += msr.o msr-reg.o msr-reg-export.o hweight.o
55obj-y += iomem.o
56
57ifeq ($(CONFIG_X86_32),y)
58        obj-y += atomic64_32.o
59        lib-y += atomic64_cx8_32.o
60        lib-y += checksum_32.o
61        lib-y += strstr_32.o
62        lib-y += string_32.o
63        lib-y += memmove_32.o
64ifneq ($(CONFIG_X86_CMPXCHG64),y)
65        lib-y += cmpxchg8b_emu.o atomic64_386_32.o
66endif
67else
68        obj-y += iomap_copy_64.o
69ifneq ($(CONFIG_GENERIC_CSUM),y)
70        lib-y += csum-partial_64.o csum-copy_64.o csum-wrappers_64.o
71endif
72        lib-y += clear_page_64.o copy_page_64.o
73        lib-y += memmove_64.o memset_64.o
74        lib-y += copy_user_64.o copy_user_uncached_64.o
75	lib-y += cmpxchg16b_emu.o
76endif
77