# 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)