xref: /kernel/linux/linux-5.10/Kbuild (revision 8c2ecf20)
18c2ecf20Sopenharmony_ci# SPDX-License-Identifier: GPL-2.0
28c2ecf20Sopenharmony_ci#
38c2ecf20Sopenharmony_ci# Kbuild for top-level directory of the kernel
48c2ecf20Sopenharmony_ci
58c2ecf20Sopenharmony_ci#####
68c2ecf20Sopenharmony_ci# Generate bounds.h
78c2ecf20Sopenharmony_ci
88c2ecf20Sopenharmony_cibounds-file := include/generated/bounds.h
98c2ecf20Sopenharmony_ci
108c2ecf20Sopenharmony_cialways-y := $(bounds-file)
118c2ecf20Sopenharmony_citargets := kernel/bounds.s
128c2ecf20Sopenharmony_ci
138c2ecf20Sopenharmony_ci$(bounds-file): kernel/bounds.s FORCE
148c2ecf20Sopenharmony_ci	$(call filechk,offsets,__LINUX_BOUNDS_H__)
158c2ecf20Sopenharmony_ci
168c2ecf20Sopenharmony_ci#####
178c2ecf20Sopenharmony_ci# Generate timeconst.h
188c2ecf20Sopenharmony_ci
198c2ecf20Sopenharmony_citimeconst-file := include/generated/timeconst.h
208c2ecf20Sopenharmony_ci
218c2ecf20Sopenharmony_cifilechk_gentimeconst = echo $(CONFIG_HZ) | bc -q $<
228c2ecf20Sopenharmony_ci
238c2ecf20Sopenharmony_ci$(timeconst-file): kernel/time/timeconst.bc FORCE
248c2ecf20Sopenharmony_ci	$(call filechk,gentimeconst)
258c2ecf20Sopenharmony_ci
268c2ecf20Sopenharmony_ci#####
278c2ecf20Sopenharmony_ci# Generate asm-offsets.h
288c2ecf20Sopenharmony_ci
298c2ecf20Sopenharmony_cioffsets-file := include/generated/asm-offsets.h
308c2ecf20Sopenharmony_ci
318c2ecf20Sopenharmony_cialways-y += $(offsets-file)
328c2ecf20Sopenharmony_citargets += arch/$(SRCARCH)/kernel/asm-offsets.s
338c2ecf20Sopenharmony_ci
348c2ecf20Sopenharmony_ciarch/$(SRCARCH)/kernel/asm-offsets.s: $(timeconst-file) $(bounds-file)
358c2ecf20Sopenharmony_ci
368c2ecf20Sopenharmony_ci$(offsets-file): arch/$(SRCARCH)/kernel/asm-offsets.s FORCE
378c2ecf20Sopenharmony_ci	$(call filechk,offsets,__ASM_OFFSETS_H__)
388c2ecf20Sopenharmony_ci
398c2ecf20Sopenharmony_ci#####
408c2ecf20Sopenharmony_ci# Check for missing system calls
418c2ecf20Sopenharmony_ci
428c2ecf20Sopenharmony_cialways-y += missing-syscalls
438c2ecf20Sopenharmony_ci
448c2ecf20Sopenharmony_ciquiet_cmd_syscalls = CALL    $<
458c2ecf20Sopenharmony_ci      cmd_syscalls = $(CONFIG_SHELL) $< $(CC) $(c_flags) $(missing_syscalls_flags)
468c2ecf20Sopenharmony_ci
478c2ecf20Sopenharmony_cimissing-syscalls: scripts/checksyscalls.sh $(offsets-file) FORCE
488c2ecf20Sopenharmony_ci	$(call cmd,syscalls)
498c2ecf20Sopenharmony_ci
508c2ecf20Sopenharmony_ci#####
518c2ecf20Sopenharmony_ci# Check atomic headers are up-to-date
528c2ecf20Sopenharmony_ci
538c2ecf20Sopenharmony_cialways-y += old-atomics
548c2ecf20Sopenharmony_ci
558c2ecf20Sopenharmony_ciquiet_cmd_atomics = CALL    $<
568c2ecf20Sopenharmony_ci      cmd_atomics = $(CONFIG_SHELL) $<
578c2ecf20Sopenharmony_ci
588c2ecf20Sopenharmony_ciold-atomics: scripts/atomic/check-atomics.sh FORCE
598c2ecf20Sopenharmony_ci	$(call cmd,atomics)
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