arch/x86/lib/Makefile

   1 # SPDX-License-Identifier: GPL-2.0
   2 #
   3 # Makefile for x86 specific library files.
   4 #
   5
   6 # Produces uninteresting flaky coverage.
   7 KCOV_INSTRUMENT_delay.o := n
   8
   9 # KCSAN uses udelay for introducing watchpoint delay; avoid recursion.
  10 KCSAN_SANITIZE_delay.o := n
  11 ifdef 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.
  14 CFLAGS_REMOVE_delay.o = $(CC_FLAGS_FTRACE)
  15 endif
  16
  17 # Early boot use of cmdline; don't instrument it
  18 ifdef CONFIG_AMD_MEM_ENCRYPT
  19 KCOV_INSTRUMENT_cmdline.o := n
  20 KASAN_SANITIZE_cmdline.o  := n
  21 KCSAN_SANITIZE_cmdline.o  := n
  22
  23 ifdef CONFIG_FUNCTION_TRACER
  24 CFLAGS_REMOVE_cmdline.o = -pg
  25 endif
  26
  27 CFLAGS_cmdline.o := -fno-stack-protector -fno-jump-tables
  28 endif
  29
  30 inat_tables_script = $(srctree)/arch/x86/tools/gen-insn-attr-x86.awk
  31 inat_tables_maps = $(srctree)/arch/x86/lib/x86-opcode-map.txt
  32 quiet_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: $(obj)/inat-tables.c
  39
  40 clean-files := inat-tables.c
  41
  42 obj-$(CONFIG_SMP) += msr-smp.o cache-smp.o
  43
  44 lib-y := delay.o misc.o cmdline.o cpu.o
  45 lib-y += usercopy_$(BITS).o usercopy.o getuser.o putuser.o
  46 lib-y += memcpy_$(BITS).o
  47 lib-$(CONFIG_ARCH_HAS_COPY_MC) += copy_mc.o copy_mc_64.o
  48 lib-$(CONFIG_INSTRUCTION_DECODER) += insn.o inat.o insn-eval.o
  49 lib-$(CONFIG_RANDOMIZE_BASE) += kaslr.o
  50 lib-$(CONFIG_FUNCTION_ERROR_INJECTION)  += error-inject.o
  51 lib-$(CONFIG_RETPOLINE) += retpoline.o
  52
  53 obj-y += msr.o msr-reg.o msr-reg-export.o hweight.o
  54 obj-y += iomem.o
  55
  56 ifeq ($(CONFIG_X86_32),y)
  57         obj-y += atomic64_32.o
  58         lib-y += atomic64_cx8_32.o
  59         lib-y += checksum_32.o
  60         lib-y += strstr_32.o
  61         lib-y += string_32.o
  62 ifneq ($(CONFIG_X86_CMPXCHG64),y)
  63         lib-y += cmpxchg8b_emu.o atomic64_386_32.o
  64 endif
  65         lib-$(CONFIG_X86_USE_3DNOW) += mmx_32.o
  66 else
  67         obj-y += iomap_copy_64.o
  68         lib-y += csum-partial_64.o csum-copy_64.o csum-wrappers_64.o
  69         lib-y += clear_page_64.o copy_page_64.o
  70         lib-y += memmove_64.o memset_64.o
  71         lib-y += copy_user_64.o
  72         lib-y += cmpxchg16b_emu.o
  73 endif