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 63ifneq ($(CONFIG_X86_CMPXCHG64),y) 64 lib-y += cmpxchg8b_emu.o atomic64_386_32.o 65endif 66else 67 obj-y += iomap_copy_64.o 68ifneq ($(CONFIG_GENERIC_CSUM),y) 69 lib-y += csum-partial_64.o csum-copy_64.o csum-wrappers_64.o 70endif 71 lib-y += clear_page_64.o copy_page_64.o 72 lib-y += memmove_64.o memset_64.o 73 lib-y += copy_user_64.o 74 lib-y += cmpxchg16b_emu.o 75endif 76