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Commit | Line | Data |
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b2441318 | 1 | # SPDX-License-Identifier: GPL-2.0 |
86feeaa8 SR |
2 | # |
3 | # Kbuild for top-level directory of the kernel | |
86feeaa8 | 4 | |
ed7ceac1 MY |
5 | # Prepare global headers and check sanity before descending into sub-directories |
6 | # --------------------------------------------------------------------------- | |
7 | ||
01d509a4 | 8 | # Generate bounds.h |
39664e2f MY |
9 | |
10 | bounds-file := include/generated/bounds.h | |
11 | ||
8a58e162 | 12 | targets := kernel/bounds.s |
39664e2f | 13 | |
11fda148 | 14 | $(bounds-file): kernel/bounds.s FORCE |
70a4fd6c | 15 | $(call filechk,offsets,__LINUX_BOUNDS_H__) |
1cdf25d7 | 16 | |
01d509a4 | 17 | # Generate timeconst.h |
0a227985 NMG |
18 | |
19 | timeconst-file := include/generated/timeconst.h | |
20 | ||
ba97df45 | 21 | filechk_gentimeconst = echo $(CONFIG_HZ) | bc -q $< |
0a227985 | 22 | |
11fda148 | 23 | $(timeconst-file): kernel/time/timeconst.bc FORCE |
0a227985 NMG |
24 | $(call filechk,gentimeconst) |
25 | ||
01d509a4 | 26 | # Generate asm-offsets.h |
86feeaa8 | 27 | |
559df2e0 | 28 | offsets-file := include/generated/asm-offsets.h |
86feeaa8 | 29 | |
6752ed90 | 30 | targets += arch/$(SRCARCH)/kernel/asm-offsets.s |
1cdf25d7 | 31 | |
11fda148 | 32 | arch/$(SRCARCH)/kernel/asm-offsets.s: $(timeconst-file) $(bounds-file) |
86feeaa8 | 33 | |
11fda148 | 34 | $(offsets-file): arch/$(SRCARCH)/kernel/asm-offsets.s FORCE |
70a4fd6c | 35 | $(call filechk,offsets,__ASM_OFFSETS_H__) |
86feeaa8 | 36 | |
01d509a4 | 37 | # Check for missing system calls |
c53aeca0 SR |
38 | |
39 | quiet_cmd_syscalls = CALL $< | |
44656fa0 | 40 | cmd_syscalls = $(CONFIG_SHELL) $< $(CC) $(c_flags) $(missing_syscalls_flags) |
c53aeca0 | 41 | |
ed7ceac1 MY |
42 | PHONY += missing-syscalls |
43 | missing-syscalls: scripts/checksyscalls.sh $(offsets-file) | |
c53aeca0 | 44 | $(call cmd,syscalls) |
1cdf25d7 | 45 | |
ffd602eb | 46 | # Check atomic headers are up-to-date |
8d325880 | 47 | |
8d325880 | 48 | quiet_cmd_atomics = CALL $< |
bdf37b4d | 49 | cmd_atomics = $(CONFIG_SHELL) $< |
8d325880 | 50 | |
ed7ceac1 MY |
51 | PHONY += old-atomics |
52 | old-atomics: scripts/atomic/check-atomics.sh | |
8d325880 | 53 | $(call cmd,atomics) |
ed7ceac1 MY |
54 | |
55 | # A phony target that depends on all the preparation targets | |
56 | ||
57 | PHONY += prepare | |
58 | prepare: $(offsets-file) missing-syscalls old-atomics | |
59 | @: |