Blame view
scripts/Makefile.lib
17.9 KB
b24413180 License cleanup: ... |
1 |
# SPDX-License-Identifier: GPL-2.0 |
f77bf0142 kbuild: introduce... |
2 3 4 5 6 |
# Backward compatibility asflags-y += $(EXTRA_AFLAGS) ccflags-y += $(EXTRA_CFLAGS) cppflags-y += $(EXTRA_CPPFLAGS) ldflags-y += $(EXTRA_LDFLAGS) |
59721d4eb kbuild: warn if a... |
7 8 |
ifneq ($(always),) $(warning 'always' is deprecated. Please use 'always-y' instead) |
5f2fb52fa kbuild: rename ho... |
9 |
always-y += $(always) |
59721d4eb kbuild: warn if a... |
10 11 12 13 14 15 16 17 18 |
endif ifneq ($(hostprogs-y),) $(warning 'hostprogs-y' is deprecated. Please use 'hostprogs' instead) hostprogs += $(hostprogs-y) endif ifneq ($(hostprogs-m),) $(warning 'hostprogs-m' is deprecated. Please use 'hostprogs' instead) hostprogs += $(hostprogs-m) endif |
f77bf0142 kbuild: introduce... |
19 |
|
8fdc3fbbd kbuild: comments ... |
20 |
# flags that take effect in current and sub directories |
4e13d47c5 kbuild: remove KB... |
21 22 |
KBUILD_AFLAGS += $(subdir-asflags-y) KBUILD_CFLAGS += $(subdir-ccflags-y) |
720097d89 kbuild: introduce... |
23 |
|
1da177e4c Linux-2.6.12-rc2 |
24 25 26 27 28 |
# Figure out what we need to build from the various variables # =========================================================================== # When an object is listed to be built compiled-in and modular, # only build the compiled-in version |
1da177e4c Linux-2.6.12-rc2 |
29 30 31 32 |
obj-m := $(filter-out $(obj-y),$(obj-m)) # Libraries are always collected in one lib file. # Filter out objects already built-in |
1da177e4c Linux-2.6.12-rc2 |
33 |
lib-y := $(filter-out $(obj-y), $(sort $(lib-y) $(lib-m))) |
0a8820e7f kbuild: refactor ... |
34 35 36 |
# Subdirectories we need to descend into subdir-ym := $(sort $(subdir-y) $(subdir-m) \ $(patsubst %/,%, $(filter %/, $(obj-y) $(obj-m)))) |
b2c885549 kbuild: update mo... |
37 38 39 40 41 42 43 44 45 46 47 48 49 |
# Handle objects in subdirs: # - If we encounter foo/ in $(obj-y), replace it by foo/built-in.a and # foo/modules.order # - If we encounter foo/ in $(obj-m), replace it by foo/modules.order # # Generate modules.order to determine modorder. Unfortunately, we don't have # information about ordering between -y and -m subdirs. Just put -y's first. ifdef need-modorder obj-m := $(patsubst %/,%/modules.order, $(filter %/, $(obj-y)) $(obj-m)) else obj-m := $(filter-out %/, $(obj-m)) endif |
56d589361 kbuild: do not cr... |
50 |
ifdef need-builtin |
f49821ee3 kbuild: rename bu... |
51 |
obj-y := $(patsubst %/, %/built-in.a, $(obj-y)) |
56d589361 kbuild: do not cr... |
52 53 54 |
else obj-y := $(filter-out %/, $(obj-y)) endif |
1da177e4c Linux-2.6.12-rc2 |
55 |
|
33e84f2e7 kbuild: treat an ... |
56 57 58 |
# If $(foo-objs), $(foo-y), $(foo-m), or $(foo-) exists, foo.o is a composite object multi-used-y := $(sort $(foreach m,$(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-))), $(m)))) multi-used-m := $(sort $(foreach m,$(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m)) $($(m:.o=-))), $(m)))) |
1da177e4c Linux-2.6.12-rc2 |
59 |
multi-used := $(multi-used-y) $(multi-used-m) |
1da177e4c Linux-2.6.12-rc2 |
60 |
|
f98fe47ce kbuild: link $(re... |
61 62 |
# Replace multi-part objects by their individual parts, # including built-in.a from subdirectories |
33e84f2e7 kbuild: treat an ... |
63 64 |
real-obj-y := $(foreach m, $(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-))),$($(m:.o=-objs)) $($(m:.o=-y)),$(m))) real-obj-m := $(foreach m, $(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m)) $($(m:.o=-))),$($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m)),$(m))) |
1da177e4c Linux-2.6.12-rc2 |
65 |
|
5f2fb52fa kbuild: rename ho... |
66 |
always-y += $(always-m) |
faabed295 kbuild: introduce... |
67 68 69 70 71 72 73 74 75 76 |
# hostprogs-always-y += foo # ... is a shorthand for # hostprogs += foo # always-y += foo hostprogs += $(hostprogs-always-y) $(hostprogs-always-m) always-y += $(hostprogs-always-y) $(hostprogs-always-m) # userprogs-always-y is likewise. userprogs += $(userprogs-always-y) $(userprogs-always-m) always-y += $(userprogs-always-y) $(userprogs-always-m) |
7e7962dd1 kbuild: handle dt... |
77 78 79 80 |
# DTB # If CONFIG_OF_ALL_DTBS is enabled, all DT blobs are built extra-y += $(dtb-y) extra-$(CONFIG_OF_ALL_DTBS) += $(dtb-) |
4f0e3a57d kbuild: Add suppo... |
81 82 83 84 |
ifneq ($(CHECK_DTBS),) extra-y += $(patsubst %.dtb,%.dt.yaml, $(dtb-y)) extra-$(CONFIG_OF_ALL_DTBS) += $(patsubst %.dtb,%.dt.yaml, $(dtb-)) endif |
1da177e4c Linux-2.6.12-rc2 |
85 86 87 |
# Add subdir path extra-y := $(addprefix $(obj)/,$(extra-y)) |
5f2fb52fa kbuild: rename ho... |
88 |
always-y := $(addprefix $(obj)/,$(always-y)) |
1da177e4c Linux-2.6.12-rc2 |
89 |
targets := $(addprefix $(obj)/,$(targets)) |
1da177e4c Linux-2.6.12-rc2 |
90 91 |
obj-m := $(addprefix $(obj)/,$(obj-m)) lib-y := $(addprefix $(obj)/,$(lib-y)) |
f5f336812 kbuild: rename re... |
92 93 |
real-obj-y := $(addprefix $(obj)/,$(real-obj-y)) real-obj-m := $(addprefix $(obj)/,$(real-obj-m)) |
1da177e4c Linux-2.6.12-rc2 |
94 |
multi-used-m := $(addprefix $(obj)/,$(multi-used-m)) |
1da177e4c Linux-2.6.12-rc2 |
95 |
subdir-ym := $(addprefix $(obj)/,$(subdir-ym)) |
1da177e4c Linux-2.6.12-rc2 |
96 |
|
c0152e9a6 kbuild: move modn... |
97 |
# Finds the multi-part object the current object will be linked into. |
1664a3779 kbuild: pass KBUI... |
98 99 100 |
# If the object belongs to two or more multi-part objects, list them all. modname-multi = $(sort $(foreach m,$(multi-used),\ $(if $(filter $*.o, $($(m:.o=-objs)) $($(m:.o=-y)) $($(m:.o=-m))),$(m:.o=)))) |
c0152e9a6 kbuild: move modn... |
101 |
|
1664a3779 kbuild: pass KBUI... |
102 103 104 105 |
__modname = $(if $(modname-multi),$(modname-multi),$(basetarget)) modname = $(subst $(space),:,$(__modname)) modfile = $(addprefix $(obj)/,$(__modname)) |
c0152e9a6 kbuild: move modn... |
106 |
|
54b8ae66a kbuild: change *F... |
107 108 |
# target with $(obj)/ and its suffix stripped target-stem = $(basename $(patsubst $(obj)/%,%,$@)) |
1da177e4c Linux-2.6.12-rc2 |
109 |
# These flags are needed for modversions and compiling, so we define them here |
8fdc3fbbd kbuild: comments ... |
110 |
# $(modname_flags) defines KBUILD_MODNAME as the name of the module it will |
1da177e4c Linux-2.6.12-rc2 |
111 |
# end up in (or would, if it gets compiled in) |
110784e04 FROMLIST: init: l... |
112 113 |
name-fix-token = $(subst $(comma),_,$(subst -,_,$1)) name-fix = $(call stringify,$(call name-fix-token,$1)) |
b42841b7b kbuild: Get rid o... |
114 |
basename_flags = -DKBUILD_BASENAME=$(call name-fix,$(basetarget)) |
110784e04 FROMLIST: init: l... |
115 116 |
modname_flags = -DKBUILD_MODNAME=$(call name-fix,$(modname)) \ -D__KBUILD_MODNAME=kmod_$(call name-fix-token,$(modname)) |
1664a3779 kbuild: pass KBUI... |
117 |
modfile_flags = -DKBUILD_MODFILE=$(call stringify,$(modfile)) |
1da177e4c Linux-2.6.12-rc2 |
118 |
|
15d5761ad kbuild: introduce... |
119 120 121 122 123 124 125 126 |
_c_flags = $(filter-out $(CFLAGS_REMOVE_$(target-stem).o), \ $(filter-out $(ccflags-remove-y), \ $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(ccflags-y)) \ $(CFLAGS_$(target-stem).o)) _a_flags = $(filter-out $(AFLAGS_REMOVE_$(target-stem).o), \ $(filter-out $(asflags-remove-y), \ $(KBUILD_CPPFLAGS) $(KBUILD_AFLAGS) $(asflags-y)) \ $(AFLAGS_$(target-stem).o)) |
54b8ae66a kbuild: change *F... |
127 |
_cpp_flags = $(KBUILD_CPPFLAGS) $(cppflags-y) $(CPPFLAGS_$(target-stem).lds) |
1da177e4c Linux-2.6.12-rc2 |
128 |
|
2521f2c22 gcov: add gcov pr... |
129 130 131 132 133 134 135 136 137 138 |
# # Enable gcov profiling flags for a file, directory or for all files depending # on variables GCOV_PROFILE_obj.o, GCOV_PROFILE and CONFIG_GCOV_PROFILE_ALL # (in this order) # ifeq ($(CONFIG_GCOV_KERNEL),y) _c_flags += $(if $(patsubst n%,, \ $(GCOV_PROFILE_$(basetarget).o)$(GCOV_PROFILE)$(CONFIG_GCOV_PROFILE_ALL)), \ $(CFLAGS_GCOV)) endif |
0b24becc8 kasan: add kernel... |
139 140 141 142 143 144 145 |
# # Enable address sanitizer flags for kernel except some files or directories # we don't want to check (depends on variables KASAN_SANITIZE_obj.o, KASAN_SANITIZE) # ifeq ($(CONFIG_KASAN),y) _c_flags += $(if $(patsubst n%,, \ $(KASAN_SANITIZE_$(basetarget).o)$(KASAN_SANITIZE)y), \ |
0e410e158 kasan: don't emit... |
146 |
$(CFLAGS_KASAN), $(CFLAGS_KASAN_NOSANITIZE)) |
0b24becc8 kasan: add kernel... |
147 |
endif |
c6d308534 UBSAN: run-time u... |
148 149 150 151 152 |
ifeq ($(CONFIG_UBSAN),y) _c_flags += $(if $(patsubst n%,, \ $(UBSAN_SANITIZE_$(basetarget).o)$(UBSAN_SANITIZE)$(CONFIG_UBSAN_SANITIZE_ALL)), \ $(CFLAGS_UBSAN)) endif |
5c9a8750a kernel: add kcov ... |
153 154 |
ifeq ($(CONFIG_KCOV),y) _c_flags += $(if $(patsubst n%,, \ |
a4691deab kcov: allow more ... |
155 |
$(KCOV_INSTRUMENT_$(basetarget).o)$(KCOV_INSTRUMENT)$(CONFIG_KCOV_INSTRUMENT_ALL)), \ |
5c9a8750a kernel: add kcov ... |
156 157 |
$(CFLAGS_KCOV)) endif |
dfd402a4c kcsan: Add Kernel... |
158 159 160 161 162 163 164 165 166 |
# # Enable KCSAN flags except some files or directories we don't want to check # (depends on variables KCSAN_SANITIZE_obj.o, KCSAN_SANITIZE) # ifeq ($(CONFIG_KCSAN),y) _c_flags += $(if $(patsubst n%,, \ $(KCSAN_SANITIZE_$(basetarget).o)$(KCSAN_SANITIZE)y), \ $(CFLAGS_KCSAN)) endif |
5c9a8750a kernel: add kcov ... |
167 |
|
cdd750bfb kbuild: remove 'a... |
168 169 |
# $(srctree)/$(src) for including checkin headers from generated source files # $(objtree)/$(obj) for including generated headers from checkin source files |
58156ba44 kbuild: skip 'add... |
170 |
ifeq ($(KBUILD_EXTMOD),) |
051f278e9 kbuild: replace K... |
171 |
ifdef building_out_of_srctree |
cdd750bfb kbuild: remove 'a... |
172 173 174 |
_c_flags += -I $(srctree)/$(src) -I $(objtree)/$(obj) _a_flags += -I $(srctree)/$(src) -I $(objtree)/$(obj) _cpp_flags += -I $(srctree)/$(src) -I $(objtree)/$(obj) |
1da177e4c Linux-2.6.12-rc2 |
175 |
endif |
58156ba44 kbuild: skip 'add... |
176 |
endif |
1da177e4c Linux-2.6.12-rc2 |
177 |
|
eb27ea5ce kbuild: move modk... |
178 179 180 181 182 183 |
part-of-module = $(if $(filter $(basename $@).o, $(real-obj-m)),y) quiet_modtag = $(if $(part-of-module),[M], ) modkern_cflags = \ $(if $(part-of-module), \ $(KBUILD_CFLAGS_MODULE) $(CFLAGS_MODULE), \ |
1664a3779 kbuild: pass KBUI... |
184 |
$(KBUILD_CFLAGS_KERNEL) $(CFLAGS_KERNEL) $(modfile_flags)) |
eb27ea5ce kbuild: move modk... |
185 186 187 188 |
modkern_aflags = $(if $(part-of-module), \ $(KBUILD_AFLAGS_MODULE) $(AFLAGS_MODULE), \ $(KBUILD_AFLAGS_KERNEL) $(AFLAGS_KERNEL)) |
30a772977 kbuild: use -MMD ... |
189 |
c_flags = -Wp,-MMD,$(depfile) $(NOSTDINC_FLAGS) $(LINUXINCLUDE) \ |
a95b37e20 kbuild: get <linu... |
190 |
-include $(srctree)/include/linux/compiler_types.h \ |
cdd750bfb kbuild: remove 'a... |
191 |
$(_c_flags) $(modkern_cflags) \ |
b42841b7b kbuild: Get rid o... |
192 |
$(basename_flags) $(modname_flags) |
1da177e4c Linux-2.6.12-rc2 |
193 |
|
30a772977 kbuild: use -MMD ... |
194 |
a_flags = -Wp,-MMD,$(depfile) $(NOSTDINC_FLAGS) $(LINUXINCLUDE) \ |
cdd750bfb kbuild: remove 'a... |
195 |
$(_a_flags) $(modkern_aflags) |
1da177e4c Linux-2.6.12-rc2 |
196 |
|
30a772977 kbuild: use -MMD ... |
197 |
cpp_flags = -Wp,-MMD,$(depfile) $(NOSTDINC_FLAGS) $(LINUXINCLUDE) \ |
cdd750bfb kbuild: remove 'a... |
198 |
$(_cpp_flags) |
1da177e4c Linux-2.6.12-rc2 |
199 |
|
d503ac531 kbuild: rename LD... |
200 |
ld_flags = $(KBUILD_LDFLAGS) $(ldflags-y) $(LDFLAGS_$(@F)) |
1da177e4c Linux-2.6.12-rc2 |
201 |
|
50f9ddaf6 of: search script... |
202 |
DTC_INCLUDE := $(srctree)/scripts/dtc/include-prefixes |
30a772977 kbuild: use -MMD ... |
203 |
dtc_cpp_flags = -Wp,-MMD,$(depfile).pre.tmp -nostdinc \ |
50f9ddaf6 of: search script... |
204 |
$(addprefix -I,$(DTC_INCLUDE)) \ |
e570d7c15 kbuild: limit dtc... |
205 |
-undef -D__DTS__ |
6dd43b98c FROMLIST: kbuild:... |
206 207 208 209 210 211 212 213 214 215 216 |
# Objtool arguments are also needed for modfinal with LTO, so we define # then here to avoid duplication. objtool_args = \ $(if $(CONFIG_UNWINDER_ORC),orc generate,check) \ $(if $(part-of-module), --module,) \ $(if $(CONFIG_FRAME_POINTER),, --no-fp) \ $(if $(or $(CONFIG_GCOV_KERNEL),$(CONFIG_LTO_CLANG)), \ --no-unreachable,) \ $(if $(CONFIG_RETPOLINE), --retpoline,) \ $(if $(CONFIG_X86_SMAP), --uaccess,) \ $(if $(CONFIG_FTRACE_MCOUNT_USE_OBJTOOL), --mcount,) |
c8589d1e9 kbuild: handle mu... |
217 218 219 220 221 222 223 224 |
# Useful for describing the dependency of composite objects # Usage: # $(call multi_depend, multi_used_targets, suffix_to_remove, suffix_to_add) define multi_depend $(foreach m, $(notdir $1), \ $(eval $(obj)/$m: \ $(addprefix $(obj)/, $(foreach s, $3, $($(m:%$(strip $2)=%$(s))))))) endef |
dee9c0b57 dt-bindings: copy... |
225 226 |
quiet_cmd_copy = COPY $@ cmd_copy = cp $< $@ |
1da177e4c Linux-2.6.12-rc2 |
227 228 229 230 231 |
# Shipped files # =========================================================================== quiet_cmd_shipped = SHIPPED $@ cmd_shipped = cat $< > $@ |
991d76c95 kbuild: simplify ... |
232 |
$(obj)/%: $(src)/%_shipped |
1da177e4c Linux-2.6.12-rc2 |
233 234 235 236 |
$(call cmd,shipped) # Commands useful for building a boot image # =========================================================================== |
38385f8f0 kbuild: trivial -... |
237 |
# |
1da177e4c Linux-2.6.12-rc2 |
238 239 240 241 242 |
# Use as following: # # target: source(s) FORCE # $(if_changed,ld/objcopy/gzip) # |
836caba77 kbuild: kill back... |
243 |
# and add target to extra-y so that we know we have to |
1da177e4c Linux-2.6.12-rc2 |
244 245 246 247 248 249 |
# read in the saved command line # Linking # --------------------------------------------------------------------------- quiet_cmd_ld = LD $@ |
afa974b77 kbuild: add real-... |
250 |
cmd_ld = $(LD) $(ld_flags) $(real-prereqs) -o $@ |
1da177e4c Linux-2.6.12-rc2 |
251 |
|
898f5a009 kbuild: move arch... |
252 253 254 255 |
# Archive # --------------------------------------------------------------------------- quiet_cmd_ar = AR $@ |
13dc8c029 kbuild: remove ar... |
256 |
cmd_ar = rm -f $@; $(AR) cDPrsT $@ $(real-prereqs) |
898f5a009 kbuild: move arch... |
257 |
|
1da177e4c Linux-2.6.12-rc2 |
258 259 260 261 262 263 264 265 266 267 |
# Objcopy # --------------------------------------------------------------------------- quiet_cmd_objcopy = OBJCOPY $@ cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ # Gzip # --------------------------------------------------------------------------- quiet_cmd_gzip = GZIP $@ |
e4a42c82e kbuild: fix broke... |
268 |
cmd_gzip = cat $(real-prereqs) | $(KGZIP) -n -f -9 > $@ |
1da177e4c Linux-2.6.12-rc2 |
269 |
|
aab94339c of: Add support f... |
270 271 |
# DTC # --------------------------------------------------------------------------- |
47b5470fd FROMLIST: kbuild:... |
272 273 274 275 276 277 278 279 280 |
ifeq ("$(origin DTC)", "command line") PHONY += $(DTC) dtc-option = $(call try-run, $(DTC) $1 -v,$1) else # Just add the flag. DTC is compiled later as a prerequisite, so there's no dtc # to test the flag against. This is okay because we're not testing flags which # aren't supported by in-kernel dtc to begin with. dtc-option = $1 endif |
6b22b3d16 kbuild: Allow usi... |
281 |
DTC ?= $(objtree)/scripts/dtc/dtc |
47b5470fd FROMLIST: kbuild:... |
282 |
DTC_FLAGS += $(call dtc-option,-Wno-interrupt_provider) |
aab94339c of: Add support f... |
283 |
|
bc553986a dtc: turn off dtc... |
284 |
# Disable noisy checks by default |
e27128db6 kbuild: rename KB... |
285 |
ifeq ($(findstring 1,$(KBUILD_EXTRA_WARN)),) |
47b5470fd FROMLIST: kbuild:... |
286 287 288 289 290 291 292 293 |
DTC_FLAGS += $(call dtc-option,-Wno-unit_address_vs_reg) \ $(call dtc-option,-Wno-unit_address_format) \ $(call dtc-option,-Wno-avoid_unnecessary_addr_size) \ $(call dtc-option,-Wno-alias_paths) \ $(call dtc-option,-Wno-graph_child_address) \ $(call dtc-option,-Wno-simple_bus_reg) \ $(call dtc-option,-Wno-unique_unit_address) \ $(call dtc-option,-Wno-pci_device_reg) |
bc553986a dtc: turn off dtc... |
294 |
endif |
e27128db6 kbuild: rename KB... |
295 |
ifneq ($(findstring 2,$(KBUILD_EXTRA_WARN)),) |
47b5470fd FROMLIST: kbuild:... |
296 297 298 |
DTC_FLAGS += $(call dtc-option,-Wnode_name_chars_strict) \ $(call dtc-option,-Wproperty_name_chars_strict) \ $(call dtc-option,-Winterrupt_provider) |
bc553986a dtc: turn off dtc... |
299 |
endif |
331f74167 of: per-file dtc ... |
300 |
DTC_FLAGS += $(DTC_FLAGS_$(basetarget)) |
aab94339c of: Add support f... |
301 |
# Generate an assembly file to wrap the output of the device tree compiler |
1c00a47e4 Makefile.lib: ali... |
302 |
quiet_cmd_dt_S_dtb= DTB $@ |
aab94339c of: Add support f... |
303 |
cmd_dt_S_dtb= \ |
b79c6aa6a kbuild: remove un... |
304 |
{ \ |
aab94339c of: Add support f... |
305 306 307 |
echo '\#include <asm-generic/vmlinux.lds.h>'; \ echo '.section .dtb.init.rodata,"a"'; \ echo '.balign STRUCT_ALIGNMENT'; \ |
55fe6da9e kbuild: Handle bu... |
308 309 |
echo '.global __dtb_$(subst -,_,$(*F))_begin'; \ echo '__dtb_$(subst -,_,$(*F))_begin:'; \ |
aab94339c of: Add support f... |
310 |
echo '.incbin "$<" '; \ |
55fe6da9e kbuild: Handle bu... |
311 312 |
echo '__dtb_$(subst -,_,$(*F))_end:'; \ echo '.global __dtb_$(subst -,_,$(*F))_end'; \ |
aab94339c of: Add support f... |
313 |
echo '.balign STRUCT_ALIGNMENT'; \ |
b79c6aa6a kbuild: remove un... |
314 |
} > $@ |
aab94339c of: Add support f... |
315 |
|
a7f924190 kbuild: add %.dtb... |
316 317 |
$(obj)/%.dtb.S: $(obj)/%.dtb FORCE $(call if_changed,dt_S_dtb) |
aab94339c of: Add support f... |
318 319 |
quiet_cmd_dtc = DTC $@ |
dd7699e37 Revert "kbuild: C... |
320 |
cmd_dtc = $(HOSTCC) -E $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \ |
78046fabe kbuild: determine... |
321 |
$(DTC) -O $(patsubst .%,%,$(suffix $@)) -o $@ -b 0 \ |
50f9ddaf6 of: search script... |
322 |
$(addprefix -i,$(dir $<) $(DTC_INCLUDE)) $(DTC_FLAGS) \ |
b0a4d8b3c kbuild: make sure... |
323 324 |
-d $(depfile).dtc.tmp $(dtc-tmp) ; \ cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile) |
1da177e4c Linux-2.6.12-rc2 |
325 |
|
b8fc5b215 kbuild: add dtc a... |
326 |
$(obj)/%.dtb: $(src)/%.dts $(DTC) FORCE |
78046fabe kbuild: determine... |
327 |
$(call if_changed_dep,dtc) |
4f0e3a57d kbuild: Add suppo... |
328 329 330 |
DT_CHECKER ?= dt-validate DT_BINDING_DIR := Documentation/devicetree/bindings |
2ba06cd85 kbuild: Always va... |
331 |
# DT_TMP_SCHEMA may be overridden from Documentation/devicetree/bindings/Makefile |
b8a49399f dt-bindings: Use ... |
332 |
DT_TMP_SCHEMA ?= $(objtree)/$(DT_BINDING_DIR)/processed-schema.json |
4f0e3a57d kbuild: Add suppo... |
333 334 |
quiet_cmd_dtb_check = CHECK $@ |
fd63fab48 kbuild: remove un... |
335 |
cmd_dtb_check = $(DT_CHECKER) -u $(srctree)/$(DT_BINDING_DIR) -p $(DT_TMP_SCHEMA) $@ |
4f0e3a57d kbuild: Add suppo... |
336 |
|
7a0496056 kbuild: fix DT bi... |
337 |
define rule_dtc |
78046fabe kbuild: determine... |
338 |
$(call cmd_and_fixdep,dtc) |
f5688663d kbuild: clean up ... |
339 |
$(call cmd,dtb_check) |
4f0e3a57d kbuild: Add suppo... |
340 341 342 |
endef $(obj)/%.dt.yaml: $(src)/%.dts $(DTC) $(DT_TMP_SCHEMA) FORCE |
3d4b22386 kbuild: fix DT bi... |
343 |
$(call if_changed_rule,dtc,yaml) |
90b335fbb kbuild: centraliz... |
344 |
|
b0a4d8b3c kbuild: make sure... |
345 |
dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp) |
22435f383 kbuild: create a ... |
346 |
|
bc22c17e1 bzip2/lzma: libra... |
347 348 |
# Bzip2 # --------------------------------------------------------------------------- |
d3dd3b5a2 kbuild: allow com... |
349 350 |
# Bzip2 and LZMA do not include size in file... so we have to fake that; # append the size as a 32-bit littleendian number as gzip does. |
4a2ff67c8 kbuild: fix bzIma... |
351 |
size_append = printf $(shell \ |
d3dd3b5a2 kbuild: allow com... |
352 |
dec_size=0; \ |
afa974b77 kbuild: add real-... |
353 |
for F in $(real-prereqs); do \ |
a670b0b4a kbuild: Use ls(1)... |
354 |
fsize=$$($(CONFIG_SHELL) $(srctree)/scripts/file-size.sh $$F); \ |
d3dd3b5a2 kbuild: allow com... |
355 356 |
dec_size=$$(expr $$dec_size + $$fsize); \ done; \ |
1373411ae kbuild: really fi... |
357 358 359 360 361 362 363 364 |
printf "%08x " $$dec_size | \ sed 's/\(..\)/\1 /g' | { \ read ch0 ch1 ch2 ch3; \ for ch in $$ch3 $$ch2 $$ch1 $$ch0; do \ printf '%s%03o' '\\' $$((0x$$ch)); \ done; \ } \ |
d3dd3b5a2 kbuild: allow com... |
365 366 367 |
) quiet_cmd_bzip2 = BZIP2 $@ |
e4a42c82e kbuild: fix broke... |
368 |
cmd_bzip2 = { cat $(real-prereqs) | $(KBZIP2) -9; $(size_append); } > $@ |
bc22c17e1 bzip2/lzma: libra... |
369 370 371 372 373 |
# Lzma # --------------------------------------------------------------------------- quiet_cmd_lzma = LZMA $@ |
8dfb61dcb kbuild: add varia... |
374 |
cmd_lzma = { cat $(real-prereqs) | $(LZMA) -9; $(size_append); } > $@ |
7dd65feb6 lib: add support ... |
375 |
|
2d74b2c62 scripts/Makefile.... |
376 |
quiet_cmd_lzo = LZO $@ |
e4a42c82e kbuild: fix broke... |
377 |
cmd_lzo = { cat $(real-prereqs) | $(KLZOP) -9; $(size_append); } > $@ |
d61931d89 x86: Add optimize... |
378 |
|
e76e1fdfa lib: add support ... |
379 |
quiet_cmd_lz4 = LZ4 $@ |
76a0d3929 ANDROID: GKI: scr... |
380 |
cmd_lz4 = { cat $(real-prereqs) | \ |
f6e33f3b1 MA-11400 [Android... |
381 |
$(LZ4) -12 --favor-decSpeed stdin stdout; \ |
b79c6aa6a kbuild: remove un... |
382 |
$(size_append); } > $@ |
e76e1fdfa lib: add support ... |
383 |
|
e33936451 Kbuild: centraliz... |
384 385 386 387 388 389 390 391 392 393 394 395 396 397 |
# U-Boot mkimage # --------------------------------------------------------------------------- MKIMAGE := $(srctree)/scripts/mkuboot.sh # SRCARCH just happens to match slightly more than ARCH (on sparc), so reduces # the number of overrides in arch makefiles UIMAGE_ARCH ?= $(SRCARCH) UIMAGE_COMPRESSION ?= $(if $(2),$(2),none) UIMAGE_OPTS-y ?= UIMAGE_TYPE ?= kernel UIMAGE_LOADADDR ?= arch_must_set_this UIMAGE_ENTRYADDR ?= $(UIMAGE_LOADADDR) UIMAGE_NAME ?= 'Linux-$(KERNELRELEASE)' |
e33936451 Kbuild: centraliz... |
398 |
|
786ac51a4 kbuild: remove UI... |
399 |
quiet_cmd_uimage = UIMAGE $@ |
858805b33 kbuild: add $(BAS... |
400 |
cmd_uimage = $(BASH) $(MKIMAGE) -A $(UIMAGE_ARCH) -O linux \ |
e33936451 Kbuild: centraliz... |
401 402 403 |
-C $(UIMAGE_COMPRESSION) $(UIMAGE_OPTS-y) \ -T $(UIMAGE_TYPE) \ -a $(UIMAGE_LOADADDR) -e $(UIMAGE_ENTRYADDR) \ |
786ac51a4 kbuild: remove UI... |
404 |
-n $(UIMAGE_NAME) -d $< $@ |
e33936451 Kbuild: centraliz... |
405 |
|
24fa0402a decompressors: ad... |
406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 |
# XZ # --------------------------------------------------------------------------- # Use xzkern to compress the kernel image and xzmisc to compress other things. # # xzkern uses a big LZMA2 dictionary since it doesn't increase memory usage # of the kernel decompressor. A BCJ filter is used if it is available for # the target architecture. xzkern also appends uncompressed size of the data # using size_append. The .xz format has the size information available at # the end of the file too, but it's in more complex format and it's good to # avoid changing the part of the boot code that reads the uncompressed size. # Note that the bytes added by size_append will make the xz tool think that # the file is corrupt. This is expected. # # xzmisc doesn't use size_append, so it can be used to create normal .xz # files. xzmisc uses smaller LZMA2 dictionary than xzkern, because a very # big dictionary would increase the memory usage too much in the multi-call # decompression mode. A BCJ filter isn't used either. quiet_cmd_xzkern = XZKERN $@ |
b956c7a6d kbuild: fix compr... |
424 |
cmd_xzkern = { cat $(real-prereqs) | sh $(srctree)/scripts/xz_wrap.sh; \ |
b79c6aa6a kbuild: remove un... |
425 |
$(size_append); } > $@ |
24fa0402a decompressors: ad... |
426 427 |
quiet_cmd_xzmisc = XZMISC $@ |
8dfb61dcb kbuild: add varia... |
428 |
cmd_xzmisc = cat $(real-prereqs) | $(XZ) --check=crc32 --lzma2=dict=1MiB > $@ |
ebf003f0c kbuild: Consolida... |
429 |
|
48f7ddf78 init: Add support... |
430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 |
# ZSTD # --------------------------------------------------------------------------- # Appends the uncompressed size of the data using size_append. The .zst # format has the size information available at the beginning of the file too, # but it's in a more complex format and it's good to avoid changing the part # of the boot code that reads the uncompressed size. # # Note that the bytes added by size_append will make the zstd tool think that # the file is corrupt. This is expected. # # zstd uses a maximum window size of 8 MB. zstd22 uses a maximum window size of # 128 MB. zstd22 is used for kernel compression because it is decompressed in a # single pass, so zstd doesn't need to allocate a window buffer. When streaming # decompression is used, like initramfs decompression, zstd22 should likely not # be used because it would require zstd to allocate a 128 MB buffer. quiet_cmd_zstd = ZSTD $@ cmd_zstd = { cat $(real-prereqs) | $(ZSTD) -19; $(size_append); } > $@ quiet_cmd_zstd22 = ZSTD22 $@ cmd_zstd22 = { cat $(real-prereqs) | $(ZSTD) -22 --ultra; $(size_append); } > $@ |
ebf003f0c kbuild: Consolida... |
451 452 453 454 |
# ASM offsets # --------------------------------------------------------------------------- # Default sed regexp - multiline due to syntax constraints |
cf0c3e68a kbuild: fix asm-o... |
455 456 457 |
# # Use [:space:] because LLVM's integrated assembler inserts <tab> around # the .ascii directive whereas GCC keeps the <space> as-is. |
ebf003f0c kbuild: Consolida... |
458 |
define sed-offsets |
cf0c3e68a kbuild: fix asm-o... |
459 460 |
's:^[[:space:]]*\.ascii[[:space:]]*"\(.*\)".*:\1:; \ /^->/{s:->#\(.*\):/* \1 */:; \ |
ebf003f0c kbuild: Consolida... |
461 |
s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; \ |
cf0c3e68a kbuild: fix asm-o... |
462 |
s:->::; p;}' |
ebf003f0c kbuild: Consolida... |
463 464 465 466 467 |
endef # Use filechk to avoid rebuilds when a header changes, but the resulting file # does not define filechk_offsets |
ebf003f0c kbuild: Consolida... |
468 469 470 471 472 473 474 475 |
echo "#ifndef $2"; \ echo "#define $2"; \ echo "/*"; \ echo " * DO NOT MODIFY."; \ echo " *"; \ echo " * This file was generated by Kbuild"; \ echo " */"; \ echo ""; \ |
43fee2b23 kbuild: do not re... |
476 |
sed -ne $(sed-offsets) < $<; \ |
ebf003f0c kbuild: Consolida... |
477 |
echo ""; \ |
ad7740863 kbuild: change fi... |
478 |
echo "#endif" |
ebf003f0c kbuild: Consolida... |
479 |
endef |