1b2441318SGreg Kroah-Hartman# SPDX-License-Identifier: GPL-2.0 286feeaa8SSam Ravnborg# 386feeaa8SSam Ravnborg# Kbuild for top-level directory of the kernel 486feeaa8SSam Ravnborg 5*ed7ceac1SMasahiro Yamada# Prepare global headers and check sanity before descending into sub-directories 6*ed7ceac1SMasahiro Yamada# --------------------------------------------------------------------------- 7*ed7ceac1SMasahiro Yamada 801d509a4SMasahiro Yamada# Generate bounds.h 939664e2fSMasahiro Yamada 1039664e2fSMasahiro Yamadabounds-file := include/generated/bounds.h 1139664e2fSMasahiro Yamada 128a58e162SMasahiro Yamadatargets := kernel/bounds.s 1339664e2fSMasahiro Yamada 1411fda148SMasahiro Yamada$(bounds-file): kernel/bounds.s FORCE 1570a4fd6cSMichal Marek $(call filechk,offsets,__LINUX_BOUNDS_H__) 1639664e2fSMasahiro Yamada 1701d509a4SMasahiro Yamada# Generate timeconst.h 180a227985SNicholas Mc Guire 190a227985SNicholas Mc Guiretimeconst-file := include/generated/timeconst.h 200a227985SNicholas Mc Guire 21ba97df45SMasahiro Yamadafilechk_gentimeconst = echo $(CONFIG_HZ) | bc -q $< 220a227985SNicholas Mc Guire 2311fda148SMasahiro Yamada$(timeconst-file): kernel/time/timeconst.bc FORCE 240a227985SNicholas Mc Guire $(call filechk,gentimeconst) 250a227985SNicholas Mc Guire 2601d509a4SMasahiro Yamada# Generate asm-offsets.h 2739664e2fSMasahiro Yamada 2839664e2fSMasahiro Yamadaoffsets-file := include/generated/asm-offsets.h 2939664e2fSMasahiro Yamada 3039664e2fSMasahiro Yamadatargets += arch/$(SRCARCH)/kernel/asm-offsets.s 3139664e2fSMasahiro Yamada 3211fda148SMasahiro Yamadaarch/$(SRCARCH)/kernel/asm-offsets.s: $(timeconst-file) $(bounds-file) 3386feeaa8SSam Ravnborg 3411fda148SMasahiro Yamada$(offsets-file): arch/$(SRCARCH)/kernel/asm-offsets.s FORCE 3570a4fd6cSMichal Marek $(call filechk,offsets,__ASM_OFFSETS_H__) 3686feeaa8SSam Ravnborg 3701d509a4SMasahiro Yamada# Check for missing system calls 38c53aeca0SSam Ravnborg 39c53aeca0SSam Ravnborgquiet_cmd_syscalls = CALL $< 4044656fa0SDavid Daney cmd_syscalls = $(CONFIG_SHELL) $< $(CC) $(c_flags) $(missing_syscalls_flags) 41c53aeca0SSam Ravnborg 42*ed7ceac1SMasahiro YamadaPHONY += missing-syscalls 43*ed7ceac1SMasahiro Yamadamissing-syscalls: scripts/checksyscalls.sh $(offsets-file) 44c53aeca0SSam Ravnborg $(call cmd,syscalls) 451cdf25d7SChristoph Lameter 46ffd602ebSLinus Torvalds# Check atomic headers are up-to-date 478d325880SMark Rutland 488d325880SMark Rutlandquiet_cmd_atomics = CALL $< 49bdf37b4dSBorislav Petkov cmd_atomics = $(CONFIG_SHELL) $< 508d325880SMark Rutland 51*ed7ceac1SMasahiro YamadaPHONY += old-atomics 52*ed7ceac1SMasahiro Yamadaold-atomics: scripts/atomic/check-atomics.sh 538d325880SMark Rutland $(call cmd,atomics) 54*ed7ceac1SMasahiro Yamada 55*ed7ceac1SMasahiro Yamada# A phony target that depends on all the preparation targets 56*ed7ceac1SMasahiro Yamada 57*ed7ceac1SMasahiro YamadaPHONY += prepare 58*ed7ceac1SMasahiro Yamadaprepare: $(offsets-file) missing-syscalls old-atomics 59*ed7ceac1SMasahiro Yamada @: 60