linux-imx
Public
Source
committed 01d509a48b41
1
# SPDX-License-Identifier: GPL-2.02
2
#3
3
# Kbuild for top-level directory of the kernel4
-
# This file takes care of the following:5
-
# 1) Generate bounds.h6
-
# 2) Generate timeconst.h7
-
# 3) Generate asm-offsets.h (may need bounds.h and timeconst.h)8
-
# 4) Check for missing system calls9
4
10
5
#####11
-
# 1) Generate bounds.h6
+
# Generate bounds.h12
7
13
8
bounds-file := include/generated/bounds.h14
9
15
10
always := $(bounds-file)16
11
targets := kernel/bounds.s17
12
18
13
$(bounds-file): kernel/bounds.s FORCE19
14
$(call filechk,offsets,__LINUX_BOUNDS_H__)20
15
21
16
#####22
-
# 2) Generate timeconst.h17
+
# Generate timeconst.h23
18
24
19
timeconst-file := include/generated/timeconst.h25
20
26
21
targets += $(timeconst-file)27
22
28
23
filechk_gentimeconst = echo $(CONFIG_HZ) | bc -q $<29
24
30
25
$(timeconst-file): kernel/time/timeconst.bc FORCE31
26
$(call filechk,gentimeconst)32
27
33
28
#####34
-
# 3) Generate asm-offsets.h35
-
#29
+
# Generate asm-offsets.h36
30
37
31
offsets-file := include/generated/asm-offsets.h38
32
39
33
always += $(offsets-file)40
34
targets += arch/$(SRCARCH)/kernel/asm-offsets.s41
35
42
36
arch/$(SRCARCH)/kernel/asm-offsets.s: $(timeconst-file) $(bounds-file)43
37
44
38
$(offsets-file): arch/$(SRCARCH)/kernel/asm-offsets.s FORCE45
39
$(call filechk,offsets,__ASM_OFFSETS_H__)46
40
47
41
#####48
-
# 4) Check for missing system calls49
-
#42
+
# Check for missing system calls50
43
51
44
always += missing-syscalls52
45
targets += missing-syscalls53
46
54
47
quiet_cmd_syscalls = CALL $<55
48
cmd_syscalls = $(CONFIG_SHELL) $< $(CC) $(c_flags) $(missing_syscalls_flags)56
49
57
50
missing-syscalls: scripts/checksyscalls.sh $(offsets-file) FORCE58
51
$(call cmd,syscalls)59
52