arch/riscv/kernel/Makefile

Source file repositories/reference/linux-study-clean/arch/riscv/kernel/Makefile

File Facts

System
Linux kernel
Corpus path
arch/riscv/kernel/Makefile
Extension
[no extension]
Size
3830 bytes
Lines
131
Domain
Architecture Layer
Bucket
arch/riscv
Inferred role
Architecture Layer: build/configuration rule
Status
atlas-only

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

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

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)
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

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)
CFLAGS_REMOVE_sbi_ecall.o = $(CC_FLAGS_FTRACE)
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

Annotation

Implementation Notes