]>
Commit | Line | Data |
---|---|---|
b2441318 | 1 | # SPDX-License-Identifier: GPL-2.0 |
86feeaa8 SR |
2 | # |
3 | # Kbuild for top-level directory of the kernel | |
4 | # This file takes care of the following: | |
1cdf25d7 | 5 | # 1) Generate bounds.h |
0a227985 NMG |
6 | # 2) Generate timeconst.h |
7 | # 3) Generate asm-offsets.h (may need bounds.h and timeconst.h) | |
8 | # 4) Check for missing system calls | |
86feeaa8 | 9 | |
39664e2f MY |
10 | ##### |
11 | # 1) Generate bounds.h | |
12 | ||
13 | bounds-file := include/generated/bounds.h | |
14 | ||
15 | always := $(bounds-file) | |
8a58e162 | 16 | targets := kernel/bounds.s |
39664e2f | 17 | |
11fda148 | 18 | $(bounds-file): kernel/bounds.s FORCE |
70a4fd6c | 19 | $(call filechk,offsets,__LINUX_BOUNDS_H__) |
1cdf25d7 CL |
20 | |
21 | ##### | |
0a227985 NMG |
22 | # 2) Generate timeconst.h |
23 | ||
24 | timeconst-file := include/generated/timeconst.h | |
25 | ||
0a227985 NMG |
26 | targets += $(timeconst-file) |
27 | ||
ba97df45 | 28 | filechk_gentimeconst = echo $(CONFIG_HZ) | bc -q $< |
0a227985 | 29 | |
11fda148 | 30 | $(timeconst-file): kernel/time/timeconst.bc FORCE |
0a227985 NMG |
31 | $(call filechk,gentimeconst) |
32 | ||
33 | ##### | |
34 | # 3) Generate asm-offsets.h | |
86feeaa8 SR |
35 | # |
36 | ||
559df2e0 | 37 | offsets-file := include/generated/asm-offsets.h |
86feeaa8 | 38 | |
1cdf25d7 | 39 | always += $(offsets-file) |
6752ed90 | 40 | targets += arch/$(SRCARCH)/kernel/asm-offsets.s |
1cdf25d7 | 41 | |
11fda148 | 42 | arch/$(SRCARCH)/kernel/asm-offsets.s: $(timeconst-file) $(bounds-file) |
86feeaa8 | 43 | |
11fda148 | 44 | $(offsets-file): arch/$(SRCARCH)/kernel/asm-offsets.s FORCE |
70a4fd6c | 45 | $(call filechk,offsets,__ASM_OFFSETS_H__) |
86feeaa8 | 46 | |
c53aeca0 | 47 | ##### |
0a227985 | 48 | # 4) Check for missing system calls |
c53aeca0 SR |
49 | # |
50 | ||
5f7efb4c AL |
51 | always += missing-syscalls |
52 | targets += missing-syscalls | |
53 | ||
c53aeca0 | 54 | quiet_cmd_syscalls = CALL $< |
44656fa0 | 55 | cmd_syscalls = $(CONFIG_SHELL) $< $(CC) $(c_flags) $(missing_syscalls_flags) |
c53aeca0 | 56 | |
5f7efb4c | 57 | missing-syscalls: scripts/checksyscalls.sh $(offsets-file) FORCE |
c53aeca0 | 58 | $(call cmd,syscalls) |
1cdf25d7 | 59 | |
0a227985 NMG |
60 | # Keep these three files during make clean |
61 | no-clean-files := $(bounds-file) $(offsets-file) $(timeconst-file) |