Quelle  Makefile   Sprache: C

# SPDX-License-Identifier: GPL-2.0-only
#
# Makefile for the RISC-V Linux kernel
#

ifdef CONFIG_FTRACE
CFLAGS_REMOVE_ftrace.o = $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_patch.o = $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_sbi.o = $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_return_address.o = $(CC_FLAGS_FTRACE)
endif
CFLAGS_syscall_table.o += $(call cc-disable-warning, override-init)
CFLAGS_compat_syscall_table.o += $(call cc-disable-warning, override-init)

ifdef CONFIG_KEXEC_CORE
AFLAGS_kexec_relocate.o := -mcmodel=medany $(call cc-option,-mno-relax)
endif

# cmodel=medany and notrace when patching early
ifdef CONFIG_RISCV_ALTERNATIVE_EARLY
CFLAGS_alternative.o := -mcmodel=medany
CFLAGS_cpufeature.o := -mcmodel=medany
CFLAGS_sbi_ecall.o := -mcmodel=medany
ifdef CONFIG_FTRACE
CFLAGS_REMOVE_alternative.o = $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_cpufeature.o = $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_sbi_ecall.o = $(CC_FLAGS_FTRACE)
endif
ifdef CONFIG_RELOCATABLE
CFLAGS_alternative.o += -fno-pie
CFLAGS_cpufeature.o += -fno-pie
CFLAGS_sbi_ecall.o += -fno-pie
endif
ifdef CONFIG_KASAN
KASAN_SANITIZE_alternative.o := n
KASAN_SANITIZE_cpufeature.o := n
KASAN_SANITIZE_sbi_ecall.o := n
endif
ifdef CONFIG_FORTIFY_SOURCE
CFLAGS_alternative.o += -D__NO_FORTIFY
CFLAGS_cpufeature.o += -D__NO_FORTIFY
CFLAGS_sbi_ecall.o += -D__NO_FORTIFY
endif
endif

always-$(KBUILD_BUILTIN) += vmlinux.lds

obj-y += head.o
obj-y += soc.o
obj-$(CONFIG_RISCV_ALTERNATIVE) += alternative.o
obj-y += cpu.o
obj-y += cpufeature.o
obj-y += entry.o
obj-y += irq.o
obj-y += process.o
obj-y += ptrace.o
obj-y += reset.o
obj-y += return_address.o
obj-y += setup.o
obj-y += signal.o
obj-y += syscall_table.o
obj-y += sys_riscv.o
obj-y += sys_hwprobe.o
obj-y += time.o
obj-y += traps.o
obj-y += riscv_ksyms.o
obj-y += stacktrace.o
obj-y += cacheinfo.o
obj-y += patch.o
obj-y += vendor_extensions.o
obj-y += vendor_extensions/
obj-y += probes/
obj-y += tests/
obj-$(CONFIG_MMU) += vdso.o vdso/

obj-$(CONFIG_RISCV_MISALIGNED) += traps_misaligned.o
obj-$(CONFIG_RISCV_MISALIGNED) += unaligned_access_speed.o
obj-$(CONFIG_RISCV_PROBE_UNALIGNED_ACCESS)  += copy-unaligned.o
obj-$(CONFIG_RISCV_PROBE_VECTOR_UNALIGNED_ACCESS) += vec-copy-unaligned.o

obj-$(CONFIG_FPU)  += fpu.o
obj-$(CONFIG_FPU)  += kernel_mode_fpu.o
obj-$(CONFIG_RISCV_ISA_V) += vector.o
obj-$(CONFIG_RISCV_ISA_V) += kernel_mode_vector.o
obj-$(CONFIG_SMP)  += smpboot.o
obj-$(CONFIG_SMP)  += smp.o
obj-$(CONFIG_SMP)  += cpu_ops.o

obj-$(CONFIG_RISCV_BOOT_SPINWAIT) += cpu_ops_spinwait.o
obj-$(CONFIG_MODULES)  += module.o
obj-$(CONFIG_MODULE_SECTIONS) += module-sections.o

obj-$(CONFIG_CPU_PM)  += suspend_entry.o suspend.o
obj-$(CONFIG_HIBERNATION) += hibernate.o hibernate-asm.o

obj-$(CONFIG_FUNCTION_TRACER) += mcount.o ftrace.o
obj-$(CONFIG_DYNAMIC_FTRACE) += mcount-dyn.o

obj-$(CONFIG_PERF_EVENTS) += perf_callchain.o
obj-$(CONFIG_HAVE_PERF_REGS) += perf_regs.o
obj-$(CONFIG_RISCV_SBI)  += sbi.o sbi_ecall.o
ifeq ($(CONFIG_RISCV_SBI), y)
obj-$(CONFIG_SMP)  += sbi-ipi.o
obj-$(CONFIG_SMP) += cpu_ops_sbi.o
endif
obj-$(CONFIG_HOTPLUG_CPU) += cpu-hotplug.o
obj-$(CONFIG_PARAVIRT)  += paravirt.o
obj-$(CONFIG_KGDB)  += kgdb.o
obj-$(CONFIG_KEXEC_CORE) += kexec_relocate.o crash_save_regs.o machine_kexec.o
obj-$(CONFIG_KEXEC_FILE) += kexec_elf.o kexec_image.o machine_kexec_file.o
obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
obj-$(CONFIG_VMCORE_INFO) += vmcore_info.o

obj-$(CONFIG_JUMP_LABEL) += jump_label.o

obj-$(CONFIG_CFI_CLANG)  += cfi.o

obj-$(CONFIG_EFI)  += efi.o
obj-$(CONFIG_COMPAT)  += compat_syscall_table.o
obj-$(CONFIG_COMPAT)  += compat_signal.o
obj-$(CONFIG_COMPAT)  += compat_vdso/

obj-$(CONFIG_64BIT)  += pi/
obj-$(CONFIG_ACPI)  += acpi.o
obj-$(CONFIG_ACPI_NUMA) += acpi_numa.o

obj-$(CONFIG_GENERIC_CPU_VULNERABILITIES) += bugs.o