1# SPDX-License-Identifier: GPL-2.0-only 2# 3# Makefile for the RISC-V Linux kernel 4# 5 6CFLAGS_syscall_table.o += $(call cc-disable-warning, override-init) 7CFLAGS_compat_syscall_table.o += $(call cc-disable-warning, override-init) 8 9ifdef CONFIG_KEXEC_CORE 10AFLAGS_kexec_relocate.o := -mcmodel=medany $(call cc-option,-mno-relax) 11endif 12 13# cmodel=medany and notrace when patching early 14ifdef CONFIG_RISCV_ALTERNATIVE_EARLY 15CFLAGS_alternative.o := -mcmodel=medany 16CFLAGS_cpufeature.o := -mcmodel=medany 17CFLAGS_sbi_ecall.o := -mcmodel=medany 18ifdef CONFIG_FTRACE 19CFLAGS_REMOVE_alternative.o = $(CC_FLAGS_FTRACE) 20CFLAGS_REMOVE_cpufeature.o = $(CC_FLAGS_FTRACE) 21endif 22ifdef CONFIG_RELOCATABLE 23CFLAGS_alternative.o += -fno-pie 24CFLAGS_cpufeature.o += -fno-pie 25CFLAGS_sbi_ecall.o += -fno-pie 26endif 27ifdef CONFIG_KASAN 28KASAN_SANITIZE_alternative.o := n 29KASAN_SANITIZE_cpufeature.o := n 30KASAN_SANITIZE_sbi_ecall.o := n 31endif 32ifdef CONFIG_FORTIFY_SOURCE 33CFLAGS_alternative.o += -D__NO_FORTIFY 34CFLAGS_cpufeature.o += -D__NO_FORTIFY 35CFLAGS_sbi_ecall.o += -D__NO_FORTIFY 36endif 37endif 38 39ifdef CONFIG_FTRACE 40CFLAGS_REMOVE_ftrace.o = $(CC_FLAGS_FTRACE) 41CFLAGS_REMOVE_patch.o = $(CC_FLAGS_FTRACE) 42CFLAGS_REMOVE_sbi.o = $(CC_FLAGS_FTRACE) 43CFLAGS_REMOVE_return_address.o = $(CC_FLAGS_FTRACE) 44CFLAGS_REMOVE_sbi_ecall.o = $(CC_FLAGS_FTRACE) 45endif 46 47always-$(KBUILD_BUILTIN) += vmlinux.lds 48 49obj-y += head.o 50obj-y += soc.o 51obj-$(CONFIG_RISCV_ALTERNATIVE) += alternative.o 52obj-y += cpu.o 53obj-y += cpufeature.o 54obj-y += entry.o 55obj-y += irq.o 56obj-y += process.o 57obj-y += ptrace.o 58obj-y += reset.o 59obj-y += return_address.o 60obj-y += setup.o 61obj-y += signal.o 62obj-y += syscall_table.o 63obj-y += sys_riscv.o 64obj-y += sys_hwprobe.o 65obj-y += time.o 66obj-y += traps.o 67obj-y += riscv_ksyms.o 68obj-y += stacktrace.o 69obj-y += cacheinfo.o 70obj-y += patch.o 71obj-y += vendor_extensions.o 72obj-y += vendor_extensions/ 73obj-y += probes/ 74obj-y += tests/ 75obj-$(CONFIG_MMU) += vdso.o vdso/ 76 77obj-$(CONFIG_RISCV_MISALIGNED) += traps_misaligned.o 78obj-$(CONFIG_RISCV_MISALIGNED) += unaligned_access_speed.o 79obj-$(CONFIG_RISCV_PROBE_UNALIGNED_ACCESS) += copy-unaligned.o 80obj-$(CONFIG_RISCV_PROBE_VECTOR_UNALIGNED_ACCESS) += vec-copy-unaligned.o 81 82obj-$(CONFIG_FPU) += fpu.o 83obj-$(CONFIG_FPU) += kernel_mode_fpu.o 84obj-$(CONFIG_RISCV_ISA_V) += vector.o 85obj-$(CONFIG_RISCV_ISA_V) += kernel_mode_vector.o 86obj-$(CONFIG_SMP) += smpboot.o 87obj-$(CONFIG_SMP) += smp.o 88obj-$(CONFIG_SMP) += cpu_ops.o 89 90obj-$(CONFIG_RISCV_BOOT_SPINWAIT) += cpu_ops_spinwait.o 91obj-$(CONFIG_MODULES) += module.o 92obj-$(CONFIG_MODULE_SECTIONS) += module-sections.o 93 94obj-$(CONFIG_CPU_PM) += suspend_entry.o suspend.o 95obj-$(CONFIG_HIBERNATION) += hibernate.o hibernate-asm.o 96 97obj-$(CONFIG_FUNCTION_TRACER) += mcount.o ftrace.o 98obj-$(CONFIG_DYNAMIC_FTRACE) += mcount-dyn.o 99 100obj-$(CONFIG_PERF_EVENTS) += perf_callchain.o 101obj-$(CONFIG_HAVE_PERF_REGS) += perf_regs.o 102obj-$(CONFIG_RISCV_SBI) += sbi.o sbi_ecall.o 103ifeq ($(CONFIG_RISCV_SBI), y) 104obj-$(CONFIG_SMP) += sbi-ipi.o 105obj-$(CONFIG_SMP) += cpu_ops_sbi.o 106endif 107obj-$(CONFIG_HOTPLUG_CPU) += cpu-hotplug.o 108obj-$(CONFIG_PARAVIRT) += paravirt.o 109obj-$(CONFIG_KGDB) += kgdb.o 110obj-$(CONFIG_KEXEC_CORE) += kexec_relocate.o crash_save_regs.o machine_kexec.o 111obj-$(CONFIG_KEXEC_FILE) += kexec_elf.o kexec_image.o machine_kexec_file.o 112obj-$(CONFIG_CRASH_DUMP) += crash_dump.o 113obj-$(CONFIG_VMCORE_INFO) += vmcore_info.o 114 115obj-$(CONFIG_JUMP_LABEL) += jump_label.o 116 117obj-$(CONFIG_CFI) += cfi.o 118 119obj-$(CONFIG_EFI) += efi.o 120obj-$(CONFIG_COMPAT) += compat_syscall_table.o 121obj-$(CONFIG_COMPAT) += compat_signal.o 122obj-$(CONFIG_COMPAT) += compat_vdso/ 123 124obj-$(CONFIG_64BIT) += pi/ 125obj-$(CONFIG_ACPI) += acpi.o 126obj-$(CONFIG_ACPI_NUMA) += acpi_numa.o 127 128obj-$(CONFIG_GENERIC_CPU_VULNERABILITIES) += bugs.o 129