arch/arm64/tools/Makefile

Source file repositories/reference/linux-study-clean/arch/arm64/tools/Makefile

File Facts

System
Linux kernel
Corpus path
arch/arm64/tools/Makefile
Extension
[no extension]
Size
1004 bytes
Lines
35
Domain
Architecture Layer
Bucket
arch/arm64
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

gen := arch/$(ARCH)/include/generated
kapi := $(gen)/asm

kapisyshdr-y := cpucap-defs.h kernel-hwcap.h sysreg-defs.h

kapi-hdrs-y := $(addprefix $(kapi)/, $(kapisyshdr-y))

targets += $(addprefix ../../../, $(kapi-hdrs-y))

PHONY += kapi

all: $(syscall64) kapi

kapi:   $(kapi-hdrs-y)

quiet_cmd_gen_cpucaps = GEN     $@
      cmd_gen_cpucaps = mkdir -p $(dir $@); $(AWK) -f $(real-prereqs) > $@

quiet_cmd_gen_kernel_hwcap = GEN     $@
      cmd_gen_kernel_hwcap = mkdir -p $(dir $@); /bin/sh -e $(real-prereqs) > $@

quiet_cmd_gen_sysreg = GEN     $@
      cmd_gen_sysreg = mkdir -p $(dir $@); $(AWK) -f $(real-prereqs) > $@

$(kapi)/cpucap-defs.h: $(src)/gen-cpucaps.awk $(src)/cpucaps FORCE
	$(call if_changed,gen_cpucaps)

$(kapi)/kernel-hwcap.h: $(src)/gen-kernel-hwcaps.sh $(srctree)/arch/arm64/include/uapi/asm/hwcap.h FORCE
	$(call if_changed,gen_kernel_hwcap)

$(kapi)/sysreg-defs.h: $(src)/gen-sysreg.awk $(src)/sysreg FORCE
	$(call if_changed,gen_sysreg)

Annotation

Implementation Notes