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Commit | Line | Data |
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83d290c5 | 1 | # SPDX-License-Identifier: GPL-2.0 |
22433fc5 MY |
2 | # Backward compatibility |
3 | asflags-y += $(EXTRA_AFLAGS) | |
4 | ccflags-y += $(EXTRA_CFLAGS) | |
5 | cppflags-y += $(EXTRA_CPPFLAGS) | |
6 | ldflags-y += $(EXTRA_LDFLAGS) | |
7 | ||
8 | # | |
9 | # flags that take effect in sub directories | |
10 | export KBUILD_SUBDIR_ASFLAGS := $(KBUILD_SUBDIR_ASFLAGS) $(subdir-asflags-y) | |
11 | export KBUILD_SUBDIR_CCFLAGS := $(KBUILD_SUBDIR_CCFLAGS) $(subdir-ccflags-y) | |
12 | ||
13 | # Figure out what we need to build from the various variables | |
14 | # =========================================================================== | |
15 | ||
16 | # When an object is listed to be built compiled-in and modular, | |
17 | # only build the compiled-in version | |
18 | ||
19 | obj-m := $(filter-out $(obj-y),$(obj-m)) | |
20 | ||
21 | # Libraries are always collected in one lib file. | |
22 | # Filter out objects already built-in | |
23 | ||
24 | lib-y := $(filter-out $(obj-y), $(sort $(lib-y) $(lib-m))) | |
25 | ||
26 | ||
27 | # Handle objects in subdirs | |
28 | # --------------------------------------------------------------------------- | |
29 | # o if we encounter foo/ in $(obj-y), replace it by foo/built-in.o | |
30 | # and add the directory to the list of dirs to descend into: $(subdir-y) | |
45f0ad95 | 31 | # o if we encounter foo/ in $(obj-m), remove it from $(obj-m) |
22433fc5 MY |
32 | # and add the directory to the list of dirs to descend into: $(subdir-m) |
33 | ||
34 | # Determine modorder. | |
35 | # Unfortunately, we don't have information about ordering between -y | |
36 | # and -m subdirs. Just put -y's first. | |
37 | modorder := $(patsubst %/,%/modules.order, $(filter %/, $(obj-y)) $(obj-m:.o=.ko)) | |
38 | ||
39 | __subdir-y := $(patsubst %/,%,$(filter %/, $(obj-y))) | |
40 | subdir-y += $(__subdir-y) | |
41 | __subdir-m := $(patsubst %/,%,$(filter %/, $(obj-m))) | |
42 | subdir-m += $(__subdir-m) | |
43 | obj-y := $(patsubst %/, %/built-in.o, $(obj-y)) | |
44 | obj-m := $(filter-out %/, $(obj-m)) | |
45 | ||
46 | # Subdirectories we need to descend into | |
47 | ||
48 | subdir-ym := $(sort $(subdir-y) $(subdir-m)) | |
49 | ||
45f0ad95 | 50 | # if $(foo-objs) exists, foo.o is a composite object |
22433fc5 MY |
51 | multi-used-y := $(sort $(foreach m,$(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))), $(m)))) |
52 | multi-used-m := $(sort $(foreach m,$(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))), $(m)))) | |
53 | multi-used := $(multi-used-y) $(multi-used-m) | |
54 | single-used-m := $(sort $(filter-out $(multi-used-m),$(obj-m))) | |
55 | ||
56 | # Build list of the parts of our composite objects, our composite | |
57 | # objects depend on those (obviously) | |
58 | multi-objs-y := $(foreach m, $(multi-used-y), $($(m:.o=-objs)) $($(m:.o=-y))) | |
59 | multi-objs-m := $(foreach m, $(multi-used-m), $($(m:.o=-objs)) $($(m:.o=-y))) | |
22433fc5 MY |
60 | |
61 | # $(subdir-obj-y) is the list of objects in $(obj-y) which uses dir/ to | |
62 | # tell kbuild to descend | |
63 | subdir-obj-y := $(filter %/built-in.o, $(obj-y)) | |
64 | ||
22433fc5 MY |
65 | # Replace multi-part objects by their individual parts, look at local dir only |
66 | real-objs-y := $(foreach m, $(filter-out $(subdir-obj-y), $(obj-y)), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))),$($(m:.o=-objs)) $($(m:.o=-y)),$(m))) $(extra-y) | |
67 | real-objs-m := $(foreach m, $(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))),$($(m:.o=-objs)) $($(m:.o=-y)),$(m))) | |
68 | ||
69 | # Add subdir path | |
70 | ||
71 | extra-y := $(addprefix $(obj)/,$(extra-y)) | |
72 | always := $(addprefix $(obj)/,$(always)) | |
73 | targets := $(addprefix $(obj)/,$(targets)) | |
74 | modorder := $(addprefix $(obj)/,$(modorder)) | |
75 | obj-y := $(addprefix $(obj)/,$(obj-y)) | |
76 | obj-m := $(addprefix $(obj)/,$(obj-m)) | |
77 | lib-y := $(addprefix $(obj)/,$(lib-y)) | |
78 | subdir-obj-y := $(addprefix $(obj)/,$(subdir-obj-y)) | |
79 | real-objs-y := $(addprefix $(obj)/,$(real-objs-y)) | |
80 | real-objs-m := $(addprefix $(obj)/,$(real-objs-m)) | |
81 | single-used-m := $(addprefix $(obj)/,$(single-used-m)) | |
82 | multi-used-y := $(addprefix $(obj)/,$(multi-used-y)) | |
83 | multi-used-m := $(addprefix $(obj)/,$(multi-used-m)) | |
84 | multi-objs-y := $(addprefix $(obj)/,$(multi-objs-y)) | |
85 | multi-objs-m := $(addprefix $(obj)/,$(multi-objs-m)) | |
86 | subdir-ym := $(addprefix $(obj)/,$(subdir-ym)) | |
22433fc5 MY |
87 | |
88 | # These flags are needed for modversions and compiling, so we define them here | |
89 | # already | |
45f0ad95 | 90 | # $(modname_flags) #defines KBUILD_MODNAME as the name of the module it will |
22433fc5 MY |
91 | # end up in (or would, if it gets compiled in) |
92 | # Note: Files that end up in two or more modules are compiled without the | |
93 | # KBUILD_MODNAME definition. The reason is that any made-up name would | |
94 | # differ in different configs. | |
b5a20463 MY |
95 | name-fix = $(squote)$(quote)$(subst $(comma),_,$(subst -,_,$1))$(quote)$(squote) |
96 | basename_flags = -DKBUILD_BASENAME=$(call name-fix,$(basetarget)) | |
22433fc5 | 97 | modname_flags = $(if $(filter 1,$(words $(modname))),\ |
b5a20463 | 98 | -DKBUILD_MODNAME=$(call name-fix,$(modname))) |
22433fc5 | 99 | |
026f9cf2 | 100 | orig_c_flags = $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(KBUILD_SUBDIR_CCFLAGS) \ |
22433fc5 MY |
101 | $(ccflags-y) $(CFLAGS_$(basetarget).o) |
102 | _c_flags = $(filter-out $(CFLAGS_REMOVE_$(basetarget).o), $(orig_c_flags)) | |
3834f417 | 103 | orig_a_flags = $(KBUILD_CPPFLAGS) $(KBUILD_AFLAGS) $(KBUILD_SUBDIR_ASFLAGS) \ |
22433fc5 | 104 | $(asflags-y) $(AFLAGS_$(basetarget).o) |
3834f417 | 105 | _a_flags = $(filter-out $(AFLAGS_REMOVE_$(basetarget).o), $(orig_a_flags)) |
026f9cf2 | 106 | _cpp_flags = $(KBUILD_CPPFLAGS) $(cppflags-y) $(CPPFLAGS_$(@F)) |
22433fc5 MY |
107 | |
108 | # | |
109 | # Enable gcov profiling flags for a file, directory or for all files depending | |
110 | # on variables GCOV_PROFILE_obj.o, GCOV_PROFILE and CONFIG_GCOV_PROFILE_ALL | |
111 | # (in this order) | |
112 | # | |
113 | ifeq ($(CONFIG_GCOV_KERNEL),y) | |
114 | _c_flags += $(if $(patsubst n%,, \ | |
115 | $(GCOV_PROFILE_$(basetarget).o)$(GCOV_PROFILE)$(CONFIG_GCOV_PROFILE_ALL)), \ | |
116 | $(CFLAGS_GCOV)) | |
117 | endif | |
118 | ||
98bd0e0d MY |
119 | # |
120 | # Enable address sanitizer flags for kernel except some files or directories | |
121 | # we don't want to check (depends on variables KASAN_SANITIZE_obj.o, KASAN_SANITIZE) | |
122 | # | |
123 | ifeq ($(CONFIG_KASAN),y) | |
124 | _c_flags += $(if $(patsubst n%,, \ | |
125 | $(KASAN_SANITIZE_$(basetarget).o)$(KASAN_SANITIZE)y), \ | |
126 | $(CFLAGS_KASAN)) | |
127 | endif | |
128 | ||
22433fc5 MY |
129 | # If building the kernel in a separate objtree expand all occurrences |
130 | # of -Idir to -I$(srctree)/dir except for absolute paths (starting with '/'). | |
131 | ||
132 | ifeq ($(KBUILD_SRC),) | |
133 | __c_flags = $(_c_flags) | |
134 | __a_flags = $(_a_flags) | |
135 | __cpp_flags = $(_cpp_flags) | |
136 | else | |
137 | ||
138 | # -I$(obj) locates generated .h files | |
139 | # $(call addtree,-I$(obj)) locates .h files in srctree, from generated .c files | |
140 | # and locates generated .h files | |
141 | # FIXME: Replace both with specific CFLAGS* statements in the makefiles | |
5972ff07 TR |
142 | __c_flags = $(if $(obj),$(call addtree,-I$(src)) -I$(obj)) \ |
143 | $(call flags,_c_flags) | |
144 | __a_flags = $(call flags,_a_flags) | |
145 | __cpp_flags = $(call flags,_cpp_flags) | |
22433fc5 MY |
146 | endif |
147 | ||
6825a95b MY |
148 | # Modified for U-Boot: LINUXINCLUDE -> UBOOTINCLUDE |
149 | c_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE) \ | |
22433fc5 | 150 | $(__c_flags) $(modkern_cflags) \ |
b5a20463 | 151 | $(basename_flags) $(modname_flags) |
22433fc5 | 152 | |
6825a95b | 153 | a_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE) \ |
22433fc5 MY |
154 | $(__a_flags) $(modkern_aflags) |
155 | ||
6825a95b | 156 | cpp_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE) \ |
22433fc5 MY |
157 | $(__cpp_flags) |
158 | ||
587e4a42 | 159 | ld_flags = $(KBUILD_LDFLAGS) $(ldflags-y) $(LDFLAGS_$(@F)) |
22433fc5 | 160 | |
6d427c6b | 161 | # Try these files in order to find the U-Boot-specific .dtsi include file |
df6fb77c SG |
162 | u_boot_dtsi_loc = $(srctree)/arch/$(ARCH)/dts/ |
163 | ||
164 | u_boot_dtsi_options = $(strip $(wildcard $(u_boot_dtsi_loc)$(basename $(notdir $<))-u-boot.dtsi) \ | |
165 | $(wildcard $(u_boot_dtsi_loc)$(subst $\",,$(CONFIG_SYS_SOC))-u-boot.dtsi) \ | |
166 | $(wildcard $(u_boot_dtsi_loc)$(subst $\",,$(CONFIG_SYS_CPU))-u-boot.dtsi) \ | |
167 | $(wildcard $(u_boot_dtsi_loc)$(subst $\",,$(CONFIG_SYS_VENDOR))-u-boot.dtsi) \ | |
168 | $(wildcard $(u_boot_dtsi_loc)u-boot.dtsi)) | |
511fd0b2 SG |
169 | |
170 | u_boot_dtsi_options_raw = $(warning Automatic .dtsi inclusion: options: \ | |
df6fb77c SG |
171 | $(u_boot_dtsi_loc)$(basename $(notdir $<))-u-boot.dtsi \ |
172 | $(u_boot_dtsi_loc)$(subst $\",,$(CONFIG_SYS_SOC))-u-boot.dtsi \ | |
173 | $(u_boot_dtsi_loc)$(subst $\",,$(CONFIG_SYS_CPU))-u-boot.dtsi \ | |
174 | $(u_boot_dtsi_loc)$(subst $\",,$(CONFIG_SYS_VENDOR))-u-boot.dtsi \ | |
175 | $(u_boot_dtsi_loc)u-boot.dtsi ... \ | |
511fd0b2 | 176 | found: $(if $(u_boot_dtsi_options),"$(u_boot_dtsi_options)",nothing!)) |
6d427c6b SG |
177 | |
178 | # Uncomment for debugging | |
511fd0b2 | 179 | # This shows all the files that were considered and the one that we chose. |
ed96683e SG |
180 | ifdef DEVICE_TREE_DEBUG |
181 | u_boot_dtsi_options_debug = $(warning $(u_boot_dtsi_options_raw)) | |
182 | endif | |
6d427c6b | 183 | |
1fee4875 SG |
184 | # We use the first match to be included |
185 | dtsi_include_list = $(strip $(u_boot_dtsi_options_debug) \ | |
511fd0b2 | 186 | $(notdir $(firstword $(u_boot_dtsi_options)))) |
6d427c6b | 187 | |
1fee4875 SG |
188 | # The CONFIG_DEVICE_TREE_INCLUDES also need to be included |
189 | dtsi_include_list += $(CONFIG_DEVICE_TREE_INCLUDES) | |
190 | ||
6ab6b2af | 191 | # Modified for U-Boot |
22433fc5 | 192 | dtc_cpp_flags = -Wp,-MD,$(depfile).pre.tmp -nostdinc \ |
672c170f | 193 | $(UBOOTINCLUDE) \ |
2f274059 | 194 | -I$(dir $<) \ |
df6fb77c | 195 | -I$(u_boot_dtsi_loc) \ |
5957ac2a | 196 | -I$(srctree)/arch/$(ARCH)/dts/include \ |
b116aff2 | 197 | -I$(srctree)/include \ |
b116aff2 | 198 | -D__ASSEMBLY__ \ |
22433fc5 MY |
199 | -undef -D__DTS__ |
200 | ||
201 | # Finds the multi-part object the current object will be linked into | |
202 | modname-multi = $(sort $(foreach m,$(multi-used),\ | |
203 | $(if $(filter $(subst $(obj)/,,$*.o), $($(m:.o=-objs)) $($(m:.o=-y))),$(m:.o=)))) | |
204 | ||
cb6e7b0d MY |
205 | # Useful for describing the dependency of composite objects |
206 | # Usage: | |
207 | # $(call multi_depend, multi_used_targets, suffix_to_remove, suffix_to_add) | |
208 | define multi_depend | |
209 | $(foreach m, $(notdir $1), \ | |
210 | $(eval $(obj)/$m: \ | |
211 | $(addprefix $(obj)/, $(foreach s, $3, $($(m:%$(strip $2)=%$(s))))))) | |
212 | endef | |
213 | ||
22433fc5 MY |
214 | # LEX |
215 | # --------------------------------------------------------------------------- | |
22433fc5 | 216 | quiet_cmd_flex = LEX $@ |
e91610da | 217 | cmd_flex = $(LEX) -o$@ -L $< |
22433fc5 | 218 | |
e91610da ER |
219 | $(obj)/%.lex.c: $(src)/%.l FORCE |
220 | $(call if_changed,flex) | |
22433fc5 MY |
221 | |
222 | # YACC | |
223 | # --------------------------------------------------------------------------- | |
22433fc5 | 224 | quiet_cmd_bison = YACC $@ |
e91610da | 225 | cmd_bison = $(YACC) -o$@ -t -l $< |
22433fc5 | 226 | |
e91610da ER |
227 | $(obj)/%.tab.c: $(src)/%.y FORCE |
228 | $(call if_changed,bison) | |
22433fc5 MY |
229 | |
230 | quiet_cmd_bison_h = YACC $@ | |
e91610da | 231 | cmd_bison_h = $(YACC) -o/dev/null --defines=$@ -t -l $< |
22433fc5 | 232 | |
e91610da ER |
233 | $(obj)/%.tab.h: $(src)/%.y FORCE |
234 | $(call if_changed,bison_h) | |
22433fc5 MY |
235 | |
236 | # Shipped files | |
237 | # =========================================================================== | |
238 | ||
239 | quiet_cmd_shipped = SHIPPED $@ | |
240 | cmd_shipped = cat $< > $@ | |
241 | ||
242 | $(obj)/%: $(src)/%_shipped | |
243 | $(call cmd,shipped) | |
244 | ||
245 | # Commands useful for building a boot image | |
246 | # =========================================================================== | |
45f0ad95 | 247 | # |
22433fc5 MY |
248 | # Use as following: |
249 | # | |
250 | # target: source(s) FORCE | |
251 | # $(if_changed,ld/objcopy/gzip) | |
252 | # | |
253 | # and add target to extra-y so that we know we have to | |
254 | # read in the saved command line | |
255 | ||
256 | # Linking | |
257 | # --------------------------------------------------------------------------- | |
258 | ||
259 | quiet_cmd_ld = LD $@ | |
587e4a42 | 260 | cmd_ld = $(LD) $(ld_flags) $(filter-out FORCE,$^) -o $@ |
22433fc5 MY |
261 | |
262 | # Objcopy | |
263 | # --------------------------------------------------------------------------- | |
264 | ||
265 | quiet_cmd_objcopy = OBJCOPY $@ | |
266 | cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ | |
267 | ||
268 | # Gzip | |
269 | # --------------------------------------------------------------------------- | |
270 | ||
271 | quiet_cmd_gzip = GZIP $@ | |
272 | cmd_gzip = (cat $(filter-out FORCE,$^) | gzip -n -f -9 > $@) || \ | |
273 | (rm -f $@ ; false) | |
274 | ||
275 | # DTC | |
276 | # --------------------------------------------------------------------------- | |
277 | ||
e0d1a89a TR |
278 | # Disable noisy checks by default |
279 | ifeq ($(findstring 1,$(KBUILD_ENABLE_EXTRA_GCC_CHECKS)),) | |
280 | DTC_FLAGS += -Wno-unit_address_vs_reg \ | |
281 | -Wno-unit_address_format \ | |
282 | -Wno-avoid_unnecessary_addr_size \ | |
283 | -Wno-alias_paths \ | |
5972ff07 TR |
284 | -Wno-graph_child_address \ |
285 | -Wno-graph_port \ | |
286 | -Wno-unique_unit_address \ | |
7a212e56 | 287 | -Wno-simple_bus_reg \ |
e0d1a89a | 288 | -Wno-pci_device_reg |
aacf264b TR |
289 | |
290 | # U-Boot specific disables | |
291 | DTC_FLAGS += -Wno-pci_bridge \ | |
292 | -Wno-pci_device_bus_num | |
e0d1a89a TR |
293 | endif |
294 | ||
295 | ifneq ($(findstring 2,$(KBUILD_ENABLE_EXTRA_GCC_CHECKS)),) | |
296 | DTC_FLAGS += -Wnode_name_chars_strict \ | |
297 | -Wproperty_name_chars_strict | |
298 | endif | |
299 | ||
300 | DTC_FLAGS += $(DTC_FLAGS_$(basetarget)) | |
301 | ||
22433fc5 MY |
302 | # Generate an assembly file to wrap the output of the device tree compiler |
303 | quiet_cmd_dt_S_dtb= DTB $@ | |
6ab6b2af | 304 | # Modified for U-Boot |
22433fc5 MY |
305 | cmd_dt_S_dtb= \ |
306 | ( \ | |
22433fc5 | 307 | echo '.section .dtb.init.rodata,"a"'; \ |
5c30bf43 | 308 | echo '.balign 16'; \ |
716f9085 MR |
309 | echo '.global __dtb_$(subst -,_,$(*F))_begin'; \ |
310 | echo '__dtb_$(subst -,_,$(*F))_begin:'; \ | |
22433fc5 | 311 | echo '.incbin "$<" '; \ |
716f9085 MR |
312 | echo '__dtb_$(subst -,_,$(*F))_end:'; \ |
313 | echo '.global __dtb_$(subst -,_,$(*F))_end'; \ | |
5c30bf43 | 314 | echo '.balign 16'; \ |
22433fc5 MY |
315 | ) > $@ |
316 | ||
317 | $(obj)/%.dtb.S: $(obj)/%.dtb | |
318 | $(call cmd,dt_S_dtb) | |
319 | ||
36766d39 | 320 | ifeq ($(CONFIG_OF_LIBFDT_OVERLAY),y) |
47818e23 JJH |
321 | DTC_FLAGS += -@ |
322 | endif | |
323 | ||
22433fc5 | 324 | quiet_cmd_dtc = DTC $@ |
6ab6b2af | 325 | # Modified for U-Boot |
7452946e | 326 | # Bring in any U-Boot-specific include at the end of the file |
a77f4680 | 327 | # And finally any custom .dtsi fragments specified with CONFIG_DEVICE_TREE_INCLUDES |
98bd0e0d | 328 | cmd_dtc = mkdir -p $(dir ${dtc-tmp}) ; \ |
1fee4875 SG |
329 | (cat $< > $(pre-tmp)); \ |
330 | $(foreach f,$(subst $(quote),,$(dtsi_include_list)), \ | |
a77f4680 | 331 | echo '$(pound)include "$(f)"' >> $(pre-tmp);) \ |
473fc279 | 332 | $(HOSTCC) -E $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $(pre-tmp) ; \ |
c4aaf2e0 | 333 | $(DTC) -O dtb -o $@ -b 0 \ |
df6fb77c | 334 | -i $(dir $<) -i $(u_boot_dtsi_loc) $(DTC_FLAGS) \ |
1653b6a4 SG |
335 | -d $(depfile).dtc.tmp $(dtc-tmp) || \ |
336 | (echo "Check $(shell pwd)/$(pre-tmp) for errors" && false) \ | |
337 | ; \ | |
e420a38f | 338 | sed "s:$(pre-tmp):$(<):" $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile) |
22433fc5 | 339 | |
c7d4dfcd SG |
340 | quiet_cmd_capsule_esl_gen = CAPSULE_ESL_GEN $@ |
341 | cmd_capsule_esl_gen = \ | |
342 | $(shell sed "s:ESL_BIN_FILE:$(capsule_esl_path):" $(capsule_esl_input_file) > $@) | |
343 | ||
344 | $(obj)/.capsule_esl.dtsi: FORCE | |
f32fee03 MK |
345 | ifeq ($(CONFIG_EFI_CAPSULE_ESL_FILE),"") |
346 | $(error "CONFIG_EFI_CAPSULE_ESL_FILE is empty, EFI capsule authentication \ | |
347 | public key must be specified when CONFIG_EFI_CAPSULE_AUTHENTICATE is enabled") | |
348 | else | |
c7d4dfcd | 349 | $(call cmd_capsule_esl_gen) |
f32fee03 | 350 | endif |
c7d4dfcd SG |
351 | |
352 | capsule_esl_input_file=$(srctree)/lib/efi_loader/capsule_esl.dtsi.in | |
353 | capsule_esl_dtsi = .capsule_esl.dtsi | |
354 | capsule_esl_path=$(abspath $(srctree)/$(subst $(quote),,$(CONFIG_EFI_CAPSULE_ESL_FILE))) | |
355 | ||
df6fb77c SG |
356 | dtsi_include_list_deps := $(addprefix $(u_boot_dtsi_loc),$(subst $(quote),,$(dtsi_include_list))) |
357 | ||
c7d4dfcd SG |
358 | ifdef CONFIG_EFI_CAPSULE_AUTHENTICATE |
359 | dtsi_include_list += $(capsule_esl_dtsi) | |
df6fb77c | 360 | dtsi_include_list_deps += $(obj)/$(capsule_esl_dtsi) |
c7d4dfcd SG |
361 | endif |
362 | ||
4be3fe9d SG |
363 | ifneq ($(CHECK_DTBS),) |
364 | DT_CHECKER ?= dt-validate | |
365 | DT_CHECKER_FLAGS ?= $(if $(DT_SCHEMA_FILES),-l $(DT_SCHEMA_FILES),-m) | |
366 | DT_BINDING_DIR := dts/upstream/Bindings | |
367 | DT_TMP_SCHEMA := $(objtree)/$(DT_BINDING_DIR)/processed-schema.json | |
368 | ||
369 | quiet_cmd_dtb = DTC_CHK $@ | |
370 | cmd_dtb = $(cmd_dtc) ; $(DT_CHECKER) $(DT_CHECKER_FLAGS) -u $(srctree)/$(DT_BINDING_DIR) -p $(DT_TMP_SCHEMA) $@ || true | |
371 | else | |
372 | quiet_cmd_dtb = $(quiet_cmd_dtc) | |
373 | cmd_dtb = $(cmd_dtc) | |
374 | endif | |
375 | ||
376 | $(obj)/%.dtb: $(src)/%.dts $(DTC) $(dtsi_include_list_deps) $(DT_TMP_SCHEMA) FORCE | |
377 | $(call if_changed_dep,dtb) | |
22433fc5 | 378 | |
ecc9709f | 379 | pre-tmp = $(subst $(comma),_,$(dot-target).pre.tmp) |
22433fc5 MY |
380 | dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp) |
381 | ||
da0b3a94 PA |
382 | # DTCO |
383 | # --------------------------------------------------------------------------- | |
384 | ||
385 | quiet_cmd_dtco = DTCO $@ | |
386 | # Rule for objects only; does not put specific u-boot include at the end | |
387 | # No generation of assembly file either | |
388 | # Modified for U-Boot | |
389 | cmd_dtco = mkdir -p $(dir ${dtc-tmp}) ; \ | |
1e7883f6 | 390 | $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \ |
da0b3a94 PA |
391 | $(DTC) -@ -O dtb -o $@ -b 0 \ |
392 | -i $(dir $<) $(DTC_FLAGS) \ | |
393 | -d $(depfile).dtc.tmp $(dtc-tmp) ; \ | |
394 | cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile) | |
395 | ||
d50af663 | 396 | $(obj)/%.dtbo: $(src)/%.dts $(DTC) FORCE |
da0b3a94 PA |
397 | $(call if_changed_dep,dtco) |
398 | ||
a0f9a779 RV |
399 | $(obj)/%.dtbo: $(src)/%.dtso $(DTC) FORCE |
400 | $(call if_changed_dep,dtco) | |
401 | ||
30a1dcad SG |
402 | # Fonts |
403 | # --------------------------------------------------------------------------- | |
404 | ||
405 | # Generate an assembly file to wrap the font data | |
406 | quiet_cmd_S_ttf= TTF $@ | |
407 | # Modified for U-Boot | |
408 | cmd_S_ttf= \ | |
409 | ( \ | |
410 | echo '.section .rodata.ttf.init,"a"'; \ | |
411 | echo '.balign 16'; \ | |
412 | echo '.global __ttf_$(*F)_begin'; \ | |
413 | echo '__ttf_$(*F)_begin:'; \ | |
414 | echo '.incbin "$<" '; \ | |
415 | echo '__ttf_$(*F)_end:'; \ | |
416 | echo '.global __ttf_$(*F)_end'; \ | |
417 | echo '.balign 16'; \ | |
418 | ) > $@ | |
419 | ||
420 | $(obj)/%.S: $(src)/%.ttf | |
421 | $(call cmd,S_ttf) | |
422 | ||
84e63abf SG |
423 | # Splash logos |
424 | # --------------------------------------------------------------------------- | |
425 | ||
426 | # Generate an assembly file to wrap the splash data | |
427 | quiet_cmd_S_splash= TTF $@ | |
428 | # Modified for U-Boot | |
429 | cmd_S_splash= \ | |
430 | ( \ | |
431 | echo '.section .rodata.splash.init,"a"'; \ | |
432 | echo '.balign 16'; \ | |
433 | echo '.global __splash_$(*F)_begin'; \ | |
434 | echo '__splash_$(*F)_begin:'; \ | |
435 | echo '.incbin "$<" '; \ | |
436 | echo '__splash_$(*F)_end:'; \ | |
437 | echo '.global __splash_$(*F)_end'; \ | |
438 | echo '.balign 16'; \ | |
439 | ) > $@ | |
440 | ||
441 | $(obj)/%.S: $(src)/%.bmp | |
442 | $(call cmd,S_splash) | |
443 | ||
b0763108 HS |
444 | # EFI applications |
445 | # A Makefile target *.efi is built as EFI application. | |
446 | # A Makefile target *_efi.S wraps *.efi as built-in EFI application. | |
c7ae3dfd SG |
447 | # --------------------------------------------------------------------------- |
448 | ||
449 | # Generate an assembly file to wrap the EFI app | |
b0763108 HS |
450 | cmd_S_efi= \ |
451 | ( \ | |
452 | echo '.section .rodata.$*.init,"a"'; \ | |
453 | echo '.balign 16'; \ | |
454 | echo '.global __efi_$*_begin'; \ | |
455 | echo '__efi_$*_begin:'; \ | |
456 | echo '.incbin "$<" '; \ | |
457 | echo '__efi_$*_end:'; \ | |
458 | echo '.global __efi_$*_end'; \ | |
459 | echo '.balign 16'; \ | |
c7ae3dfd SG |
460 | ) > $@ |
461 | ||
462 | $(obj)/%_efi.S: $(obj)/%.efi | |
463 | $(call cmd,S_efi) | |
464 | ||
f19f1315 AD |
465 | quiet_cmd_efi_objcopy = OBJCOPY $@ |
466 | cmd_efi_objcopy = $(OBJCOPY) -j .header -j .text -j .sdata -j .data -j \ | |
467 | .dynamic -j .dynsym -j .rel* -j .rela* -j .reloc \ | |
c7ae3dfd SG |
468 | $(if $(EFI_TARGET),$(EFI_TARGET),-O binary) $^ $@ |
469 | ||
b0763108 | 470 | $(obj)/%.efi: $(obj)/%_efi.so |
f19f1315 AD |
471 | $(call cmd,efi_objcopy) |
472 | ||
1e1c51f8 TR |
473 | KBUILD_EFILDFLAGS = -nostdlib -zexecstack -znocombreloc -znorelro |
474 | KBUILD_EFILDFLAGS += $(call ld-option,--no-warn-rwx-segments) | |
f19f1315 | 475 | quiet_cmd_efi_ld = LD $@ |
1e1c51f8 TR |
476 | cmd_efi_ld = $(LD) $(KBUILD_EFILDFLAGS) -T $(EFI_LDS_PATH) \ |
477 | -shared -Bsymbolic -s $^ -o $@ | |
f19f1315 | 478 | |
c7ae3dfd SG |
479 | EFI_LDS_PATH = $(srctree)/arch/$(ARCH)/lib/$(EFI_LDS) |
480 | ||
4ed0d3c3 | 481 | $(obj)/efi_crt0.o: $(srctree)/arch/$(ARCH)/lib/$(EFI_CRT0:.o=.S) FORCE |
2f61b13d HS |
482 | $(call if_changed_dep,as_o_S) |
483 | ||
484 | $(obj)/efi_reloc.o: $(srctree)/arch/$(ARCH)/lib/$(EFI_RELOC:.o=.c) $(recordmcount_source) FORCE | |
485 | $(call cmd,force_checksrc) | |
486 | $(call if_changed_rule,cc_o_c) | |
487 | ||
e616100e | 488 | $(obj)/%_efi.so: $(obj)/%.o $(obj)/efi_crt0.o $(obj)/efi_reloc.o $(obj)/efi_freestanding.o |
f19f1315 | 489 | $(call cmd,efi_ld) |
c7ae3dfd | 490 | |
b37a0b5c JK |
491 | targets += $(obj)/efi_crt0.o $(obj)/efi_reloc.o $(obj)/efi_freestanding.o |
492 | ||
c1094987 MB |
493 | CFLAGS_REMOVE_efi_reloc.o := $(LTO_CFLAGS) |
494 | CFLAGS_REMOVE_efi_freestanding.o := $(LTO_CFLAGS) | |
495 | ||
867bcb63 SS |
496 | # ACPI |
497 | # --------------------------------------------------------------------------- | |
c1865bbd SG |
498 | # |
499 | # This first sends the file (typically dsdt.asl) through the preprocessor | |
500 | # resolve includes and any CONFIG options used. This produces dsdt.asl.tmp | |
501 | # which is pure ASL code. The Intel ASL (ACPI (Advanced Configuration and Power | |
502 | # Interface) Source Language compiler (iasl) then converts this ASL code into a | |
503 | # C file containing the hex data to build into U-Boot. This file is called | |
5d94cbd1 PR |
504 | # dsdt_generated.hex (despite us setting the prefix to .../dsdt_generated.asl.tmp) |
505 | # so must be renamed to dsdt_generated.c for consumption by the build system. | |
c1865bbd SG |
506 | ASL_TMP = $(patsubst %.c,%.asl.tmp,$@) |
507 | ||
68af8d88 | 508 | quiet_cmd_acpi_c_asl= ASL $< |
867bcb63 | 509 | cmd_acpi_c_asl= \ |
89c2798f SG |
510 | $(CPP) -x assembler-with-cpp -D__ASSEMBLY__ -D__ACPI__ \ |
511 | -P $(UBOOTINCLUDE) -o $(ASL_TMP) $< && \ | |
a16f4882 SG |
512 | iasl -p $@ -I $(srctree)/board/$(BOARDDIR) -tc $(ASL_TMP) \ |
513 | $(if $(KBUILD_VERBOSE:1=), >/dev/null) && \ | |
c1865bbd | 514 | mv $(patsubst %.c,%.hex,$@) $@ |
867bcb63 | 515 | |
5d94cbd1 | 516 | $(obj)/dsdt_generated.c: $(src)/dsdt.asl |
867bcb63 | 517 | $(call cmd,acpi_c_asl) |
5d94cbd1 | 518 | $(Q)sed -i -e "s,dsdt_generated_aml_code,AmlCode," $@ |
867bcb63 | 519 | |
22433fc5 MY |
520 | # Bzip2 |
521 | # --------------------------------------------------------------------------- | |
522 | ||
523 | # Bzip2 and LZMA do not include size in file... so we have to fake that; | |
524 | # append the size as a 32-bit littleendian number as gzip does. | |
525 | size_append = printf $(shell \ | |
526 | dec_size=0; \ | |
527 | for F in $1; do \ | |
528 | fsize=$$(stat -c "%s" $$F); \ | |
529 | dec_size=$$(expr $$dec_size + $$fsize); \ | |
530 | done; \ | |
531 | printf "%08x\n" $$dec_size | \ | |
532 | sed 's/\(..\)/\1 /g' | { \ | |
533 | read ch0 ch1 ch2 ch3; \ | |
534 | for ch in $$ch3 $$ch2 $$ch1 $$ch0; do \ | |
535 | printf '%s%03o' '\\' $$((0x$$ch)); \ | |
536 | done; \ | |
537 | } \ | |
538 | ) | |
539 | ||
540 | quiet_cmd_bzip2 = BZIP2 $@ | |
541 | cmd_bzip2 = (cat $(filter-out FORCE,$^) | \ | |
542 | bzip2 -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ | |
543 | (rm -f $@ ; false) | |
544 | ||
545 | # Lzma | |
546 | # --------------------------------------------------------------------------- | |
547 | ||
548 | quiet_cmd_lzma = LZMA $@ | |
549 | cmd_lzma = (cat $(filter-out FORCE,$^) | \ | |
550 | lzma -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ | |
551 | (rm -f $@ ; false) | |
552 | ||
553 | quiet_cmd_lzo = LZO $@ | |
554 | cmd_lzo = (cat $(filter-out FORCE,$^) | \ | |
555 | lzop -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ | |
556 | (rm -f $@ ; false) | |
557 | ||
558 | quiet_cmd_lz4 = LZ4 $@ | |
559 | cmd_lz4 = (cat $(filter-out FORCE,$^) | \ | |
560 | lz4c -l -c1 stdin stdout && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ | |
561 | (rm -f $@ ; false) | |
562 | ||
563 | # U-Boot mkimage | |
564 | # --------------------------------------------------------------------------- | |
565 | ||
566 | MKIMAGE := $(srctree)/scripts/mkuboot.sh | |
567 | ||
568 | # SRCARCH just happens to match slightly more than ARCH (on sparc), so reduces | |
569 | # the number of overrides in arch makefiles | |
570 | UIMAGE_ARCH ?= $(SRCARCH) | |
571 | UIMAGE_COMPRESSION ?= $(if $(2),$(2),none) | |
572 | UIMAGE_OPTS-y ?= | |
573 | UIMAGE_TYPE ?= kernel | |
574 | UIMAGE_LOADADDR ?= arch_must_set_this | |
575 | UIMAGE_ENTRYADDR ?= $(UIMAGE_LOADADDR) | |
576 | UIMAGE_NAME ?= 'Linux-$(KERNELRELEASE)' | |
577 | UIMAGE_IN ?= $< | |
578 | UIMAGE_OUT ?= $@ | |
579 | ||
580 | quiet_cmd_uimage = UIMAGE $(UIMAGE_OUT) | |
581 | cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A $(UIMAGE_ARCH) -O linux \ | |
582 | -C $(UIMAGE_COMPRESSION) $(UIMAGE_OPTS-y) \ | |
583 | -T $(UIMAGE_TYPE) \ | |
584 | -a $(UIMAGE_LOADADDR) -e $(UIMAGE_ENTRYADDR) \ | |
585 | -n $(UIMAGE_NAME) -d $(UIMAGE_IN) $(UIMAGE_OUT) | |
586 | ||
587 | # XZ | |
588 | # --------------------------------------------------------------------------- | |
589 | # Use xzkern to compress the kernel image and xzmisc to compress other things. | |
590 | # | |
591 | # xzkern uses a big LZMA2 dictionary since it doesn't increase memory usage | |
592 | # of the kernel decompressor. A BCJ filter is used if it is available for | |
593 | # the target architecture. xzkern also appends uncompressed size of the data | |
594 | # using size_append. The .xz format has the size information available at | |
595 | # the end of the file too, but it's in more complex format and it's good to | |
596 | # avoid changing the part of the boot code that reads the uncompressed size. | |
597 | # Note that the bytes added by size_append will make the xz tool think that | |
598 | # the file is corrupt. This is expected. | |
599 | # | |
600 | # xzmisc doesn't use size_append, so it can be used to create normal .xz | |
601 | # files. xzmisc uses smaller LZMA2 dictionary than xzkern, because a very | |
602 | # big dictionary would increase the memory usage too much in the multi-call | |
603 | # decompression mode. A BCJ filter isn't used either. | |
604 | quiet_cmd_xzkern = XZKERN $@ | |
605 | cmd_xzkern = (cat $(filter-out FORCE,$^) | \ | |
606 | sh $(srctree)/scripts/xz_wrap.sh && \ | |
607 | $(call size_append, $(filter-out FORCE,$^))) > $@ || \ | |
608 | (rm -f $@ ; false) | |
609 | ||
610 | quiet_cmd_xzmisc = XZMISC $@ | |
611 | cmd_xzmisc = (cat $(filter-out FORCE,$^) | \ | |
612 | xz --check=crc32 --lzma2=dict=1MiB) > $@ || \ | |
613 | (rm -f $@ ; false) | |
ba8dd775 MY |
614 | |
615 | # Additional commands for U-Boot | |
616 | # | |
b6c2b25f PCT |
617 | # bin2c |
618 | # --------------------------------------------------------------------------- | |
619 | quiet_cmd_bin2c = BIN2C $@ | |
620 | cmd_bin2c = $(objtree)/scripts/bin2c $2 < $< > $@ | |
621 | ||
ba8dd775 MY |
622 | # mkimage |
623 | # --------------------------------------------------------------------------- | |
1f6a6648 | 624 | MKIMAGEOUTPUT ?= /dev/null |
ba8dd775 MY |
625 | quiet_cmd_mkimage = MKIMAGE $@ |
626 | cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ | |
06587617 | 627 | >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT)) |
d693742b SG |
628 | |
629 | # fdtgrep | |
630 | # --------------------------------------------------------------------------- | |
631 | # Pass the original device tree file through fdtgrep twice. The first pass | |
632 | # removes any unwanted nodes (i.e. those which don't have the | |
c74e0341 | 633 | # 'bootph-all' property and thus are not needed by SPL. The second |
d693742b SG |
634 | # pass removes various unused properties from the remaining nodes. |
635 | # The output is typically a much smaller device tree file. | |
c74e0341 SG |
636 | |
637 | ifdef CONFIG_OF_TAG_MIGRATE | |
638 | # Support the old tags for a migration period | |
639 | migrate_tpl := -b u-boot,dm-pre-reloc -b u-boot,dm-tpl | |
640 | migrate_vpl := -b u-boot,dm-pre-reloc -b u-boot,dm-vpl | |
641 | migrate_spl := -b u-boot,dm-pre-reloc -b u-boot,dm-spl | |
642 | migrate_all := -P u-boot,dm-pre-reloc \ | |
643 | -P u-boot,dm-spl -P u-boot,dm-tpl -P u-boot,dm-vpl | |
644 | endif | |
645 | ||
f86ca5ad | 646 | ifeq ($(CONFIG_VPL_BUILD),y) |
c74e0341 | 647 | fdtgrep_props := -b bootph-all -b bootph-verify $(migrate_vpl) |
f86ca5ad | 648 | else |
d693742b | 649 | ifeq ($(CONFIG_TPL_BUILD),y) |
c74e0341 | 650 | fdtgrep_props := -b bootph-all -b bootph-pre-sram $(migrate_tpl) |
d693742b | 651 | else |
c74e0341 | 652 | fdtgrep_props := -b bootph-all -b bootph-pre-ram $(migrate_spl) |
d693742b | 653 | endif |
f86ca5ad | 654 | endif |
aca95282 SG |
655 | |
656 | # This rule produces the .dtb for an SPL build. | |
657 | # | |
658 | # The first fdtgrep keeps nodes with the above properties (with -u ensuring that | |
659 | # the properties are implied in all parents of a matching node). The root node | |
660 | # is always included, along with /chosen and /config nodes. Referenced aliases | |
661 | # (i.e. properties in /aliases which point to an incldued node) are also | |
662 | # included. | |
663 | # | |
664 | # The second fdtgrep removes all bootph properties along with unused strings | |
665 | # and any properties in CONFIG_OF_SPL_REMOVE_PROPS | |
d693742b | 666 | quiet_cmd_fdtgrep = FDTGREP $@ |
aca95282 | 667 | cmd_fdtgrep = $(objtree)/tools/fdtgrep $(fdtgrep_props) -u -RT $< \ |
d693742b SG |
668 | -n /chosen -n /config -O dtb | \ |
669 | $(objtree)/tools/fdtgrep -r -O dtb - -o $@ \ | |
c74e0341 SG |
670 | -P bootph-all -P bootph-pre-ram -P bootph-pre-sram \ |
671 | -P bootph-verify \ | |
672 | $(migrate_all) \ | |
d693742b | 673 | $(addprefix -P ,$(subst $\",,$(CONFIG_OF_SPL_REMOVE_PROPS))) |
43b6e38b AG |
674 | |
675 | # fdt_rm_props | |
676 | # --------------------------------------------------------------------------- | |
677 | # Pass the original device tree file through fdtgrep. This removes various | |
678 | # unused properties. The output is typically a smaller device tree file. | |
679 | quiet_cmd_fdt_rm_props = FDTGREP $@ | |
680 | cmd_fdt_rm_props = cat $< | $(objtree)/tools/fdtgrep -r -O dtb - -o $@ \ | |
681 | $(addprefix -P ,$(subst $\",,$(CONFIG_OF_REMOVE_PROPS))) | |
b5a20463 MY |
682 | |
683 | # ASM offsets | |
684 | # --------------------------------------------------------------------------- | |
685 | ||
686 | # Default sed regexp - multiline due to syntax constraints | |
687 | define sed-offsets | |
688 | "s:[[:space:]]*\.ascii[[:space:]]*\"\(.*\)\":\1:; \ | |
689 | /^->/{s:->#\(.*\):/* \1 */:; \ | |
690 | s:^->\([^ ]*\) [\$$#]*\([-0-9]*\) \(.*\):#define \1 \2 /* \3 */:; \ | |
691 | s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; \ | |
692 | s:->::; p;}" | |
693 | endef | |
694 | ||
695 | # Use filechk to avoid rebuilds when a header changes, but the resulting file | |
696 | # does not | |
697 | define filechk_offsets | |
698 | (set -e; \ | |
699 | echo "#ifndef $2"; \ | |
700 | echo "#define $2"; \ | |
701 | echo "/*"; \ | |
702 | echo " * DO NOT MODIFY."; \ | |
703 | echo " *"; \ | |
704 | echo " * This file was generated by Kbuild"; \ | |
705 | echo " */"; \ | |
706 | echo ""; \ | |
707 | sed -ne $(sed-offsets); \ | |
708 | echo ""; \ | |
709 | echo "#endif" ) | |
710 | endef |