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1 | # SPDX-License-Identifier: GPL-2.0 | |
2 | # | |
3 | # Kbuild for top-level directory of the kernel | |
4 | ||
5 | ##### | |
6 | # Generate bounds.h | |
7 | ||
8 | bounds-file := include/generated/bounds.h | |
9 | ||
10 | always-y := $(bounds-file) | |
11 | targets := kernel/bounds.s | |
12 | ||
13 | $(bounds-file): kernel/bounds.s FORCE | |
14 | $(call filechk,offsets,__LINUX_BOUNDS_H__) | |
15 | ||
16 | ##### | |
17 | # Generate timeconst.h | |
18 | ||
19 | timeconst-file := include/generated/timeconst.h | |
20 | ||
21 | filechk_gentimeconst = echo $(CONFIG_HZ) | bc -q $< | |
22 | ||
23 | $(timeconst-file): kernel/time/timeconst.bc FORCE | |
24 | $(call filechk,gentimeconst) | |
25 | ||
26 | ##### | |
27 | # Generate asm-offsets.h | |
28 | ||
29 | offsets-file := include/generated/asm-offsets.h | |
30 | ||
31 | always-y += $(offsets-file) | |
32 | targets += arch/$(SRCARCH)/kernel/asm-offsets.s | |
33 | ||
34 | arch/$(SRCARCH)/kernel/asm-offsets.s: $(timeconst-file) $(bounds-file) | |
35 | ||
36 | $(offsets-file): arch/$(SRCARCH)/kernel/asm-offsets.s FORCE | |
37 | $(call filechk,offsets,__ASM_OFFSETS_H__) | |
38 | ||
39 | ##### | |
40 | # Check for missing system calls | |
41 | ||
42 | always-y += missing-syscalls | |
43 | ||
44 | quiet_cmd_syscalls = CALL $< | |
45 | cmd_syscalls = $(CONFIG_SHELL) $< $(CC) $(c_flags) $(missing_syscalls_flags) | |
46 | ||
47 | missing-syscalls: scripts/checksyscalls.sh $(offsets-file) FORCE | |
48 | $(call cmd,syscalls) | |
49 | ||
50 | ##### | |
51 | # Check atomic headers are up-to-date | |
52 | ||
53 | always-y += old-atomics | |
54 | ||
55 | quiet_cmd_atomics = CALL $< | |
56 | cmd_atomics = $(CONFIG_SHELL) $< | |
57 | ||
58 | old-atomics: scripts/atomic/check-atomics.sh FORCE | |
59 | $(call cmd,atomics) |