blob: 0b9e8a16a621211d6ebea734ab15f19da1cfd1f7 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
# SPDX-License-Identifier: GPL-2.0
#
# Kbuild for top-level directory of the kernel
# Prepare global headers and check sanity before descending into sub-directories
# ---------------------------------------------------------------------------
# Generate bounds.h
bounds-file := include/generated/bounds.h
targets := kernel/bounds.s
$(bounds-file): kernel/bounds.s FORCE
$(call filechk,offsets,__LINUX_BOUNDS_H__)
# Generate timeconst.h
timeconst-file := include/generated/timeconst.h
filechk_gentimeconst = echo $(CONFIG_HZ) | bc -q $<
$(timeconst-file): kernel/time/timeconst.bc FORCE
$(call filechk,gentimeconst)
# Generate asm-offsets.h
offsets-file := include/generated/asm-offsets.h
targets += arch/$(SRCARCH)/kernel/asm-offsets.s
arch/$(SRCARCH)/kernel/asm-offsets.s: $(timeconst-file) $(bounds-file)
$(offsets-file): arch/$(SRCARCH)/kernel/asm-offsets.s FORCE
$(call filechk,offsets,__ASM_OFFSETS_H__)
# Check for missing system calls
quiet_cmd_syscalls = CALL $<
cmd_syscalls = $(CONFIG_SHELL) $< $(CC) $(c_flags) $(missing_syscalls_flags)
PHONY += missing-syscalls
missing-syscalls: scripts/checksyscalls.sh $(offsets-file)
$(call cmd,syscalls)
# Check the manual modification of atomic headers
quiet_cmd_check_sha1 = CHKSHA1 $<
cmd_check_sha1 = \
if ! command -v sha1sum >/dev/null; then \
echo "warning: cannot check the header due to sha1sum missing"; \
exit 0; \
fi; \
if [ "$$(sed -n '$$s:// ::p' $<)" != \
"$$(sed '$$d' $< | sha1sum | sed 's/ .*//')" ]; then \
echo "error: $< has been modified." >&2; \
exit 1; \
fi; \
touch $@
atomic-checks += $(addprefix $(obj)/.checked-, \
atomic-arch-fallback.h \
atomic-instrumented.h \
atomic-long.h)
targets += $(atomic-checks)
$(atomic-checks): $(obj)/.checked-%: include/linux/atomic/% FORCE
$(call if_changed,check_sha1)
# A phony target that depends on all the preparation targets
PHONY += prepare
prepare: $(offsets-file) missing-syscalls $(atomic-checks)
@:
|
