arch/riscv/kernel/Makefile

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