]> git.proxmox.com Git - mirror_ubuntu-zesty-kernel.git/blame - Kbuild
USB: EHCI: add missing frame -> microframe conversion
[mirror_ubuntu-zesty-kernel.git] / Kbuild
CommitLineData
86feeaa8
SR
1#
2# Kbuild for top-level directory of the kernel
3# This file takes care of the following:
1cdf25d7
CL
4# 1) Generate bounds.h
5# 2) Generate asm-offsets.h (may need bounds.h)
6# 3) Check for missing system calls
86feeaa8
SR
7
8#####
1cdf25d7
CL
9# 1) Generate bounds.h
10
01fc0ac1 11bounds-file := include/generated/bounds.h
1cdf25d7
CL
12
13always := $(bounds-file)
14targets := $(bounds-file) kernel/bounds.s
15
16quiet_cmd_bounds = GEN $@
17define cmd_bounds
18 (set -e; \
19 echo "#ifndef __LINUX_BOUNDS_H__"; \
20 echo "#define __LINUX_BOUNDS_H__"; \
21 echo "/*"; \
22 echo " * DO NOT MODIFY."; \
23 echo " *"; \
24 echo " * This file was generated by Kbuild"; \
25 echo " *"; \
26 echo " */"; \
27 echo ""; \
28 sed -ne $(sed-y) $<; \
29 echo ""; \
30 echo "#endif" ) > $@
31endef
32
33# We use internal kbuild rules to avoid the "is up to date" message from make
34kernel/bounds.s: kernel/bounds.c FORCE
35 $(Q)mkdir -p $(dir $@)
36 $(call if_changed_dep,cc_s_c)
37
38$(obj)/$(bounds-file): kernel/bounds.s Kbuild
39 $(Q)mkdir -p $(dir $@)
40 $(call cmd,bounds)
41
42#####
43# 2) Generate asm-offsets.h
86feeaa8
SR
44#
45
559df2e0 46offsets-file := include/generated/asm-offsets.h
86feeaa8 47
1cdf25d7
CL
48always += $(offsets-file)
49targets += $(offsets-file)
6752ed90 50targets += arch/$(SRCARCH)/kernel/asm-offsets.s
1cdf25d7 51
86feeaa8 52
048eb582
SR
53# Default sed regexp - multiline due to syntax constraints
54define sed-y
bf2ae2b3
CL
55 "/^->/{s:->#\(.*\):/* \1 */:; \
56 s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; \
57 s:->::; p;}"
048eb582 58endef
048eb582 59
86feeaa8
SR
60quiet_cmd_offsets = GEN $@
61define cmd_offsets
86feeaa8
SR
62 (set -e; \
63 echo "#ifndef __ASM_OFFSETS_H__"; \
64 echo "#define __ASM_OFFSETS_H__"; \
65 echo "/*"; \
66 echo " * DO NOT MODIFY."; \
67 echo " *"; \
65ff22ee 68 echo " * This file was generated by Kbuild"; \
86feeaa8
SR
69 echo " *"; \
70 echo " */"; \
71 echo ""; \
ac448afb 72 sed -ne $(sed-y) $<; \
86feeaa8
SR
73 echo ""; \
74 echo "#endif" ) > $@
75endef
76
77# We use internal kbuild rules to avoid the "is up to date" message from make
1cdf25d7
CL
78arch/$(SRCARCH)/kernel/asm-offsets.s: arch/$(SRCARCH)/kernel/asm-offsets.c \
79 $(obj)/$(bounds-file) FORCE
86feeaa8
SR
80 $(Q)mkdir -p $(dir $@)
81 $(call if_changed_dep,cc_s_c)
82
6752ed90 83$(obj)/$(offsets-file): arch/$(SRCARCH)/kernel/asm-offsets.s Kbuild
86feeaa8
SR
84 $(call cmd,offsets)
85
c53aeca0 86#####
1cdf25d7 87# 3) Check for missing system calls
c53aeca0
SR
88#
89
90quiet_cmd_syscalls = CALL $<
91 cmd_syscalls = $(CONFIG_SHELL) $< $(CC) $(c_flags)
92
93PHONY += missing-syscalls
94missing-syscalls: scripts/checksyscalls.sh FORCE
95 $(call cmd,syscalls)
1cdf25d7
CL
96
97# Delete all targets during make clean
7d3cc8b6 98clean-files := $(addprefix $(objtree)/,$(filter-out $(bounds-file) $(offsets-file),$(targets)))