[thirdparty/kernel/linux.git] / Kbuild

# SPDX-License-Identifier: GPL-2.0
#
# Kbuild for top-level directory of the kernel

#####
# Generate bounds.h

bounds-file := include/generated/bounds.h

always  := $(bounds-file)
targets := kernel/bounds.s

$(bounds-file): kernel/bounds.s FORCE
	$(call filechk,offsets,__LINUX_BOUNDS_H__)

#####
# Generate timeconst.h

timeconst-file := include/generated/timeconst.h

targets += $(timeconst-file)

filechk_gentimeconst = echo $(CONFIG_HZ) | bc -q $<

$(timeconst-file): kernel/time/timeconst.bc FORCE
	$(call filechk,gentimeconst)

#####
# Generate asm-offsets.h

offsets-file := include/generated/asm-offsets.h

always  += $(offsets-file)
targets += arch/$(SRCARCH)/kernel/asm-offsets.s

arch/$(SRCARCH)/kernel/asm-offsets.s: $(timeconst-file) $(bounds-file)

$(offsets-file): arch/$(SRCARCH)/kernel/asm-offsets.s FORCE
	$(call filechk,offsets,__ASM_OFFSETS_H__)

#####
# Check for missing system calls

always += missing-syscalls
targets += missing-syscalls

quiet_cmd_syscalls = CALL    $<
      cmd_syscalls = $(CONFIG_SHELL) $< $(CC) $(c_flags) $(missing_syscalls_flags)

missing-syscalls: scripts/checksyscalls.sh $(offsets-file) FORCE
	$(call cmd,syscalls)

#####
# Check atomic headers are up-to-date

always += old-atomics
targets += old-atomics

quiet_cmd_atomics = CALL    $<
      cmd_atomics = $(CONFIG_SHELL) $<

old-atomics: scripts/atomic/check-atomics.sh FORCE
	$(call cmd,atomics)

# Keep these three files during make clean
no-clean-files := $(bounds-file) $(offsets-file) $(timeconst-file)
Commit	Line	Data
	1	# SPDX-License-Identifier: GPL-2.0
	2	#
	3	# Kbuild for top-level directory of the kernel
	4
	5	#####
	6	# Generate bounds.h
	7
	8	bounds-file := include/generated/bounds.h
	9
	10	always := $(bounds-file)
	11	targets := kernel/bounds.s
	12
	13	$(bounds-file): kernel/bounds.s FORCE
	14	$(call filechk,offsets,__LINUX_BOUNDS_H__)
	15
	16	#####
	17	# Generate timeconst.h
	18
	19	timeconst-file := include/generated/timeconst.h
	20
	21	targets += $(timeconst-file)
	22
	23	filechk_gentimeconst = echo $(CONFIG_HZ) \| bc -q $<
	24
	25	$(timeconst-file): kernel/time/timeconst.bc FORCE
	26	$(call filechk,gentimeconst)
	27
	28	#####
	29	# Generate asm-offsets.h
	30
	31	offsets-file := include/generated/asm-offsets.h
	32
	33	always += $(offsets-file)
	34	targets += arch/$(SRCARCH)/kernel/asm-offsets.s
	35
	36	arch/$(SRCARCH)/kernel/asm-offsets.s: $(timeconst-file) $(bounds-file)
	37
	38	$(offsets-file): arch/$(SRCARCH)/kernel/asm-offsets.s FORCE
	39	$(call filechk,offsets,__ASM_OFFSETS_H__)
	40
	41	#####
	42	# Check for missing system calls
	43
	44	always += missing-syscalls
	45	targets += missing-syscalls
	46
	47	quiet_cmd_syscalls = CALL $<
	48	cmd_syscalls = $(CONFIG_SHELL) $< $(CC) $(c_flags) $(missing_syscalls_flags)
	49
	50	missing-syscalls: scripts/checksyscalls.sh $(offsets-file) FORCE
	51	$(call cmd,syscalls)
	52
	53	#####
	54	# Check atomic headers are up-to-date
	55
	56	always += old-atomics
	57	targets += old-atomics
	58
	59	quiet_cmd_atomics = CALL $<
	60	cmd_atomics = $(CONFIG_SHELL) $<
	61
	62	old-atomics: scripts/atomic/check-atomics.sh FORCE
	63	$(call cmd,atomics)
	64
	65	# Keep these three files during make clean
	66	no-clean-files := $(bounds-file) $(offsets-file) $(timeconst-file)