# SPDX-License-Identifier: GPL-2.0

  #
  # Kbuild for top-level directory of the kernel

  #####

  # Generate bounds.h

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

  always-y := $(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

  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-y += $(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-y += 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-y += old-atomics

  
  quiet_cmd_atomics = CALL    $<

        cmd_atomics = $(CONFIG_SHELL) $<

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