1 # SPDX-License-Identifier: GPL-2.0
3 # Kbuild for top-level directory of the kernel
8 bounds-file := include/generated/bounds.h
10 always := $(bounds-file)
11 targets := kernel/bounds.s
13 $(bounds-file): kernel/bounds.s FORCE
14 $(call filechk,offsets,__LINUX_BOUNDS_H__)
17 # Generate timeconst.h
19 timeconst-file := include/generated/timeconst.h
21 filechk_gentimeconst = echo $(CONFIG_HZ) | bc -q $<
23 $(timeconst-file): kernel/time/timeconst.bc FORCE
24 $(call filechk,gentimeconst)
27 # Generate asm-offsets.h
29 offsets-file := include/generated/asm-offsets.h
31 always += $(offsets-file)
32 targets += arch/$(SRCARCH)/kernel/asm-offsets.s
34 arch/$(SRCARCH)/kernel/asm-offsets.s: $(timeconst-file) $(bounds-file)
36 $(offsets-file): arch/$(SRCARCH)/kernel/asm-offsets.s FORCE
37 $(call filechk,offsets,__ASM_OFFSETS_H__)
40 # Check for missing system calls
42 always += missing-syscalls
44 quiet_cmd_syscalls = CALL $<
45 cmd_syscalls = $(CONFIG_SHELL) $< $(CC) $(c_flags) $(missing_syscalls_flags)
47 missing-syscalls: scripts/checksyscalls.sh $(offsets-file) FORCE
51 # Check atomic headers are up-to-date
55 quiet_cmd_atomics = CALL $<
56 cmd_atomics = $(CONFIG_SHELL) $<
58 old-atomics: scripts/atomic/check-atomics.sh FORCE