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Makefile.housekeeping 37KB

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  1. # -*- makefile -*- : Force emacs to use Makefile mode
  2. #
  3. # This file contains various boring housekeeping functions that would
  4. # otherwise seriously clutter up the main Makefile.
  5. ###############################################################################
  6. #
  7. # Find a usable "echo -e" substitute.
  8. #
  9. TAB := $(shell $(PRINTF) '\t')
  10. ECHO_E_ECHO := $(ECHO)
  11. ECHO_E_ECHO_E := $(ECHO) -e
  12. ECHO_E_BIN_ECHO := /bin/echo
  13. ECHO_E_BIN_ECHO_E := /bin/echo -e
  14. ECHO_E_ECHO_TAB := $(shell $(ECHO_E_ECHO) '\t' | cat)
  15. ECHO_E_ECHO_E_TAB := $(shell $(ECHO_E_ECHO_E) '\t' | cat)
  16. ECHO_E_BIN_ECHO_TAB := $(shell $(ECHO_E_BIN_ECHO) '\t')
  17. ECHO_E_BIN_ECHO_E_TAB := $(shell $(ECHO_E_BIN_ECHO_E) '\t')
  18. ifeq ($(ECHO_E_ECHO_TAB),$(TAB))
  19. ECHO_E := $(ECHO_E_ECHO)
  20. endif
  21. ifeq ($(ECHO_E_ECHO_E_TAB),$(TAB))
  22. ECHO_E := $(ECHO_E_ECHO_E)
  23. endif
  24. ifeq ($(ECHO_E_BIN_ECHO_TAB),$(TAB))
  25. ECHO_E := $(ECHO_E_BIN_ECHO)
  26. endif
  27. ifeq ($(ECHO_E_BIN_ECHO_E_TAB),$(TAB))
  28. ECHO_E := $(ECHO_E_BIN_ECHO_E)
  29. endif
  30. .echocheck :
  31. ifdef ECHO_E
  32. @$(TOUCH) $@
  33. else
  34. @$(PRINTF) '%24s : x%sx\n' 'tab' '$(TAB)'
  35. @$(PRINTF) '%24s : x%sx\n' '"$(ECHO_E_ECHO) \t"' \
  36. '$(ECHO_E_ECHO_TAB)'
  37. @$(PRINTF) '%24s : x%sx\n' '"$(ECHO_E_ECHO_E) \t"' \
  38. '$(ECHO_E_ECHO_E_TAB)'
  39. @$(PRINTF) '%24s : x%sx\n' '"$(ECHO_E_BIN_ECHO) \t"' \
  40. '$(ECHO_E_BIN_ECHO_TAB)'
  41. @$(PRINTF) '%24s : x%sx\n' '"$(ECHO_E_BIN_ECHO_E) \t"' \
  42. '$(ECHO_E_BIN_ECHO_E_TAB)'
  43. @$(ECHO) "No usable \"echo -e\" substitute found"
  44. @exit 1
  45. endif
  46. MAKEDEPS += .echocheck
  47. VERYCLEANUP += .echocheck
  48. echo :
  49. @$(ECHO) "Using \"$(ECHO_E)\" for \"echo -e\""
  50. ###############################################################################
  51. #
  52. # Generate a usable "seq" substitute
  53. #
  54. define seq
  55. $(shell awk 'BEGIN { for ( i = $(1) ; i <= $(2) ; i++ ) print i }')
  56. endef
  57. ###############################################################################
  58. #
  59. # Determine host OS
  60. #
  61. HOST_OS := $(shell uname -s)
  62. hostos :
  63. @$(ECHO) $(HOST_OS)
  64. ###############################################################################
  65. #
  66. # Determine compiler
  67. CCDEFS := $(shell $(CC) -E -x c -c /dev/null -dM | cut -d" " -f2)
  68. ccdefs:
  69. @$(ECHO) $(CCDEFS)
  70. ifeq ($(filter __ICC,$(CCDEFS)),__ICC)
  71. CCTYPE := icc
  72. else
  73. CCTYPE := gcc
  74. endif
  75. cctype:
  76. @$(ECHO) $(CCTYPE)
  77. ###############################################################################
  78. #
  79. # Check for tools that can cause failed builds
  80. #
  81. ifeq ($(CCTYPE),gcc)
  82. GCC_2_96_BANNER := $(shell $(CC) -v 2>&1 | grep -is 'gcc version 2\.96')
  83. ifneq ($(GCC_2_96_BANNER),)
  84. $(warning gcc 2.96 is unsuitable for compiling iPXE)
  85. $(warning Use gcc 2.95 or a newer version instead)
  86. $(error Unsuitable build environment found)
  87. endif
  88. endif
  89. PERL_UNICODE_CHECK := $(shell $(PERL) -e 'use bytes; print chr(255)' | wc -c)
  90. ifeq ($(PERL_UNICODE_CHECK),2)
  91. $(warning Your Perl version has a Unicode handling bug)
  92. $(warning Execute this command before building iPXE:)
  93. $(warning export LANG=$${LANG%.UTF-8})
  94. $(error Unsuitable build environment found)
  95. endif
  96. LD_GOLD_BANNER := $(shell $(LD) -v 2>&1 | grep 'GNU gold')
  97. ifneq ($(LD_GOLD_BANNER),)
  98. $(warning GNU gold is unsuitable for building iPXE)
  99. $(warning Use GNU ld instead)
  100. $(error Unsuitable build environment found)
  101. endif
  102. ###############################################################################
  103. #
  104. # Check if $(eval ...) is available to use
  105. #
  106. HAVE_EVAL :=
  107. ifndef NO_EVAL
  108. $(eval HAVE_EVAL := yes)
  109. endif
  110. eval :
  111. @$(ECHO) $(HAVE_EVAL)
  112. ###############################################################################
  113. #
  114. # Check for various tool workarounds
  115. #
  116. WORKAROUND_CFLAGS :=
  117. WORKAROUND_ASFLAGS :=
  118. WORKAROUND_LDFLAGS :=
  119. # Make syntax does not allow use of comma or space in certain places.
  120. # This ugly workaround is suggested in the manual.
  121. #
  122. COMMA := ,
  123. EMPTY :=
  124. SPACE := $(EMPTY) $(EMPTY)
  125. HASH := \#
  126. define NEWLINE
  127. endef
  128. # Some widespread patched versions of gcc include -fstack-protector by
  129. # default, even when -ffreestanding is specified. We therefore need
  130. # to disable -fstack-protector if the compiler supports it.
  131. #
  132. ifeq ($(CCTYPE),gcc)
  133. SP_TEST = $(CC) -fno-stack-protector -x c -c /dev/null \
  134. -o /dev/null >/dev/null 2>&1
  135. SP_FLAGS := $(shell $(SP_TEST) && $(ECHO) '-fno-stack-protector')
  136. WORKAROUND_CFLAGS += $(SP_FLAGS)
  137. endif
  138. # Some widespread patched versions of gcc include -fPIE -Wl,-pie by
  139. # default. Note that gcc will exit *successfully* if it fails to
  140. # recognise an option that starts with "no", so we have to test for
  141. # output on stderr instead of checking the exit status.
  142. #
  143. ifeq ($(CCTYPE),gcc)
  144. PIE_TEST = [ -z "`$(CC) -fno-PIE -nopie -x c -c /dev/null -o /dev/null 2>&1`" ]
  145. PIE_FLAGS := $(shell $(PIE_TEST) && $(ECHO) '-fno-PIE -nopie')
  146. WORKAROUND_CFLAGS += $(PIE_FLAGS)
  147. endif
  148. # gcc 4.4 generates .eh_frame sections by default, which distort the
  149. # output of "size". Inhibit this.
  150. #
  151. ifeq ($(CCTYPE),gcc)
  152. CFI_TEST = $(CC) -fno-dwarf2-cfi-asm -fno-exceptions -fno-unwind-tables \
  153. -fno-asynchronous-unwind-tables -x c -c /dev/null \
  154. -o /dev/null >/dev/null 2>&1
  155. CFI_FLAGS := $(shell $(CFI_TEST) && \
  156. $(ECHO) '-fno-dwarf2-cfi-asm -fno-exceptions ' \
  157. '-fno-unwind-tables -fno-asynchronous-unwind-tables')
  158. WORKAROUND_CFLAGS += $(CFI_FLAGS)
  159. endif
  160. # gcc 4.6 generates spurious warnings if -Waddress is in force.
  161. # Inhibit this.
  162. #
  163. ifeq ($(CCTYPE),gcc)
  164. WNA_TEST = $(CC) -Wno-address -x c -c /dev/null -o /dev/null >/dev/null 2>&1
  165. WNA_FLAGS := $(shell $(WNA_TEST) && $(ECHO) '-Wno-address')
  166. WORKAROUND_CFLAGS += $(WNA_FLAGS)
  167. endif
  168. # Some versions of gas choke on division operators, treating them as
  169. # comment markers. Specifying --divide will work around this problem,
  170. # but isn't available on older gas versions.
  171. #
  172. DIVIDE_TEST = $(AS) --divide /dev/null -o /dev/null 2>/dev/null
  173. DIVIDE_FLAGS := $(shell $(DIVIDE_TEST) && $(ECHO) '--divide')
  174. WORKAROUND_ASFLAGS += $(DIVIDE_FLAGS)
  175. ###############################################################################
  176. #
  177. # Build verbosity
  178. #
  179. ifeq ($(V),1)
  180. Q :=
  181. QM := @\#
  182. else
  183. Q := @
  184. QM := @
  185. endif
  186. ###############################################################################
  187. #
  188. # Checker
  189. #
  190. ifeq ($(C),1)
  191. export REAL_CC := $(CC)
  192. CC := cgcc
  193. CFLAGS += -Wno-decl
  194. endif
  195. ###############################################################################
  196. #
  197. # Set BIN according to whatever was specified on the command line as
  198. # the build target.
  199. #
  200. # Determine how many different BIN directories are mentioned in the
  201. # make goals.
  202. #
  203. BIN_GOALS := $(filter bin/% bin-%,$(MAKECMDGOALS))
  204. BIN_GOALS_BINS := $(sort $(foreach BG,$(BIN_GOALS),\
  205. $(firstword $(subst /, ,$(BG)))))
  206. NUM_BINS := $(words $(BIN_GOALS_BINS))
  207. ifeq ($(NUM_BINS),0)
  208. # No BIN directory was specified. Set BIN to "bin" as a sensible
  209. # default.
  210. BIN := bin
  211. else # NUM_BINS == 0
  212. ifeq ($(NUM_BINS),1)
  213. # If exactly one BIN directory was specified, set BIN to match this
  214. # directory.
  215. #
  216. BIN := $(firstword $(BIN_GOALS_BINS))
  217. else # NUM_BINS == 1
  218. # More than one BIN directory was specified. We cannot handle the
  219. # latter case within a single make invocation, so set up recursive
  220. # targets for each BIN directory. Use exactly one target for each BIN
  221. # directory since running multiple make invocations within the same
  222. # BIN directory is likely to cause problems.
  223. #
  224. # Leave $(BIN) undefined. This has implications for any target that
  225. # depends on $(BIN); such targets should be made conditional upon the
  226. # existence of $(BIN).
  227. #
  228. BIN_GOALS_FIRST := $(foreach BGB,$(BIN_GOALS_BINS),\
  229. $(firstword $(filter $(BGB)/%,$(BIN_GOALS))))
  230. BIN_GOALS_OTHER := $(filter-out $(BIN_GOALS_FIRST),$(BIN_GOALS))
  231. $(BIN_GOALS_FIRST) : % : BIN_RECURSE
  232. $(Q)$(MAKE) --no-print-directory BIN=$(firstword $(subst /, ,$@)) \
  233. $(filter $(firstword $(subst /, ,$@))/%, $(BIN_GOALS))
  234. $(BIN_GOALS_OTHER) : % : BIN_RECURSE
  235. $(Q)$(TRUE)
  236. .PHONY : BIN_RECURSE
  237. endif # NUM_BINS == 1
  238. endif # NUM_BINS == 0
  239. ifdef BIN
  240. # Create $(BIN) directory if it doesn't exist yet
  241. #
  242. ifeq ($(wildcard $(BIN)),)
  243. $(shell $(MKDIR) -p $(BIN))
  244. endif
  245. # Target to allow e.g. "make bin-efi arch"
  246. #
  247. $(BIN) :
  248. @# Do nothing, silently
  249. .PHONY : $(BIN)
  250. # Remove everything in $(BIN) for a "make clean"
  251. #
  252. CLEANUP += $(BIN)/*.* # Avoid picking up directories
  253. endif # defined(BIN)
  254. # Determine whether or not we need to include the dependency files
  255. #
  256. NO_DEP_TARGETS := $(BIN) clean veryclean
  257. ifeq ($(MAKECMDGOALS),)
  258. NEED_DEPS := 1
  259. endif
  260. ifneq ($(strip $(filter-out $(NO_DEP_TARGETS),$(MAKECMDGOALS))),)
  261. NEED_DEPS := 1
  262. endif
  263. ###############################################################################
  264. #
  265. # Select build architecture and platform based on $(BIN)
  266. #
  267. # BIN has the form bin[-[arch-]platform]
  268. ARCHS := $(patsubst arch/%,%,$(wildcard arch/*))
  269. PLATFORMS := $(patsubst config/defaults/%.h,%,\
  270. $(wildcard config/defaults/*.h))
  271. archs :
  272. @$(ECHO) $(ARCHS)
  273. platforms :
  274. @$(ECHO) $(PLATFORMS)
  275. ifdef BIN
  276. # Determine architecture portion of $(BIN), if present
  277. BIN_ARCH := $(strip $(foreach A,$(ARCHS),\
  278. $(patsubst bin-$(A)-%,$(A),\
  279. $(filter bin-$(A)-%,$(BIN)))))
  280. # Determine platform portion of $(BIN), if present
  281. ifeq ($(BIN_ARCH),)
  282. BIN_PLATFORM := $(patsubst bin-%,%,$(filter bin-%,$(BIN)))
  283. else
  284. BIN_PLATFORM := $(patsubst bin-$(BIN_ARCH)-%,%,$(BIN))
  285. endif
  286. # Determine build architecture
  287. DEFAULT_ARCH := i386
  288. ARCH := $(firstword $(BIN_ARCH) $(DEFAULT_ARCH))
  289. CFLAGS += -DARCH=$(ARCH)
  290. arch :
  291. @$(ECHO) $(ARCH)
  292. .PHONY : arch
  293. # Determine build platform
  294. DEFAULT_PLATFORM := pcbios
  295. PLATFORM := $(firstword $(BIN_PLATFORM) $(DEFAULT_PLATFORM))
  296. CFLAGS += -DPLATFORM=$(PLATFORM)
  297. platform :
  298. @$(ECHO) $(PLATFORM)
  299. endif # defined(BIN)
  300. # Include architecture-specific Makefile
  301. ifdef ARCH
  302. MAKEDEPS += arch/$(ARCH)/Makefile
  303. include arch/$(ARCH)/Makefile
  304. endif
  305. # Include architecture-specific include path
  306. ifdef ARCH
  307. INCDIRS += arch/$(ARCH)/include
  308. INCDIRS += arch/$(ARCH)/include/$(PLATFORM)
  309. endif
  310. ###############################################################################
  311. #
  312. # Source file handling
  313. # SRCDIRS lists all directories containing source files.
  314. srcdirs :
  315. @$(ECHO) $(SRCDIRS)
  316. # SRCS lists all .c or .S files found in any SRCDIR
  317. #
  318. SRCS += $(wildcard $(patsubst %,%/*.c,$(SRCDIRS)))
  319. SRCS += $(wildcard $(patsubst %,%/*.S,$(SRCDIRS)))
  320. srcs :
  321. @$(ECHO) $(SRCS)
  322. # AUTO_SRCS lists all files in SRCS that are not mentioned in
  323. # NON_AUTO_SRCS. Files should be added to NON_AUTO_SRCS if they
  324. # cannot be built using the standard build template.
  325. #
  326. AUTO_SRCS = $(filter-out $(NON_AUTO_SRCS),$(SRCS))
  327. autosrcs :
  328. @$(ECHO) $(AUTO_SRCS)
  329. # Just about everything else in this section depends upon having
  330. # $(BIN) set
  331. ifdef BIN
  332. # INCDIRS lists the include path
  333. incdirs :
  334. @$(ECHO) $(INCDIRS)
  335. # Common flags
  336. #
  337. CFLAGS += $(foreach INC,$(INCDIRS),-I$(INC))
  338. CFLAGS += -Os
  339. CFLAGS += -g
  340. ifeq ($(CCTYPE),gcc)
  341. CFLAGS += -ffreestanding
  342. CFLAGS += -Wall -W -Wformat-nonliteral
  343. HOST_CFLAGS += -Wall -W -Wformat-nonliteral
  344. endif
  345. ifeq ($(CCTYPE),icc)
  346. CFLAGS += -fno-builtin
  347. CFLAGS += -no-ip
  348. CFLAGS += -no-gcc
  349. CFLAGS += -diag-disable 111 # Unreachable code
  350. CFLAGS += -diag-disable 128 # Unreachable loop
  351. CFLAGS += -diag-disable 170 # Array boundary checks
  352. CFLAGS += -diag-disable 177 # Unused functions
  353. CFLAGS += -diag-disable 181 # printf() format checks
  354. CFLAGS += -diag-disable 188 # enum strictness
  355. CFLAGS += -diag-disable 193 # Undefined preprocessor identifiers
  356. CFLAGS += -diag-disable 280 # switch ( constant )
  357. CFLAGS += -diag-disable 310 # K&R parameter lists
  358. CFLAGS += -diag-disable 424 # Extra semicolon
  359. CFLAGS += -diag-disable 589 # Declarations mid-code
  360. CFLAGS += -diag-disable 593 # Unused variables
  361. CFLAGS += -diag-disable 810 # Casting ints to smaller ints
  362. CFLAGS += -diag-disable 981 # Sequence point violations
  363. CFLAGS += -diag-disable 1292 # Ignored attributes
  364. CFLAGS += -diag-disable 1338 # void pointer arithmetic
  365. CFLAGS += -diag-disable 1361 # Variable-length arrays
  366. CFLAGS += -diag-disable 1418 # Missing prototypes
  367. CFLAGS += -diag-disable 1419 # Missing prototypes
  368. CFLAGS += -diag-disable 1599 # Hidden variables
  369. CFLAGS += -Wall -Wmissing-declarations
  370. endif
  371. CFLAGS += $(WORKAROUND_CFLAGS) $(EXTRA_CFLAGS)
  372. ASFLAGS += $(WORKAROUND_ASFLAGS) $(EXTRA_ASFLAGS)
  373. LDFLAGS += $(WORKAROUND_LDFLAGS) $(EXTRA_LDFLAGS)
  374. HOST_CFLAGS += -O2 -g
  375. # Inhibit -Werror if NO_WERROR is specified on make command line
  376. #
  377. ifneq ($(NO_WERROR),1)
  378. CFLAGS += -Werror
  379. ASFLAGS += --fatal-warnings
  380. HOST_CFLAGS += -Werror
  381. endif
  382. # Function trace recorder state in the last build. This is needed
  383. # in order to correctly rebuild whenever the function recorder is
  384. # enabled/disabled.
  385. #
  386. FNREC_STATE := $(BIN)/.fnrec.state
  387. ifeq ($(wildcard $(FNREC_STATE)),)
  388. FNREC_OLD := <invalid>
  389. else
  390. FNREC_OLD := $(shell cat $(FNREC_STATE))
  391. endif
  392. ifeq ($(FNREC_OLD),$(FNREC))
  393. $(FNREC_STATE) :
  394. else
  395. $(FNREC_STATE) : clean
  396. $(shell $(ECHO) "$(FNREC)" > $(FNREC_STATE))
  397. endif
  398. VERYCLEANUP += $(FNREC_STATE)
  399. MAKEDEPS += $(FNREC_STATE)
  400. ifeq ($(FNREC),1)
  401. # Enabling -finstrument-functions affects gcc's analysis and leads to spurious
  402. # warnings about use of uninitialised variables.
  403. #
  404. CFLAGS += -Wno-uninitialized
  405. CFLAGS += -finstrument-functions
  406. CFLAGS += -finstrument-functions-exclude-file-list=core/fnrec.c
  407. endif
  408. # Enable per-item sections and section garbage collection. Note that
  409. # some older versions of gcc support -fdata-sections but treat it as
  410. # implying -fno-common, which would break our build. Some other older
  411. # versions issue a spurious and uninhibitable warning if
  412. # -ffunction-sections is used with -g, which would also break our
  413. # build since we use -Werror.
  414. #
  415. ifeq ($(CCTYPE),gcc)
  416. DS_TEST = $(ECHO) 'char x;' | \
  417. $(CC) -fdata-sections -S -x c - -o - 2>/dev/null | \
  418. grep -E '\.comm' > /dev/null
  419. DS_FLAGS := $(shell $(DS_TEST) && $(ECHO) '-fdata-sections')
  420. FS_TEST = $(CC) -ffunction-sections -g -c -x c /dev/null \
  421. -o /dev/null 2>/dev/null
  422. FS_FLAGS := $(shell $(FS_TEST) && $(ECHO) '-ffunction-sections')
  423. CFLAGS += $(FS_FLAGS) $(DS_FLAGS)
  424. endif
  425. LDFLAGS += --gc-sections
  426. # Force creation of static binaries (required for OpenBSD, does no
  427. # harm on other platforms).
  428. #
  429. LDFLAGS += -static
  430. # compiler.h is needed for our linking and debugging system
  431. #
  432. CFLAGS += -include include/compiler.h
  433. # CFLAGS for specific object types
  434. #
  435. CFLAGS_c +=
  436. CFLAGS_S += -DASSEMBLY
  437. # Base object name of the current target
  438. #
  439. OBJECT = $(firstword $(subst ., ,$(@F)))
  440. # CFLAGS for specific object files. You can define
  441. # e.g. CFLAGS_rtl8139, and have those flags automatically used when
  442. # compiling bin/rtl8139.o.
  443. #
  444. OBJ_CFLAGS = $(CFLAGS_$(OBJECT)) -DOBJECT=$(subst -,_,$(OBJECT))
  445. $(BIN)/%.flags :
  446. @$(ECHO) $(OBJ_CFLAGS)
  447. # ICC requires postprocessing objects to fix up table alignments
  448. #
  449. ifeq ($(CCTYPE),icc)
  450. POST_O = && $(ICCFIX) $@
  451. POST_O_DEPS := $(ICCFIX)
  452. else
  453. POST_O :=
  454. POST_O_DEPS :=
  455. endif
  456. # Rules for specific object types.
  457. #
  458. COMPILE_c = $(CC) $(CFLAGS) $(CFLAGS_c) $(OBJ_CFLAGS)
  459. RULE_c = $(Q)$(COMPILE_c) -c $< -o $@ $(POST_O)
  460. RULE_c_to_dbg%.o = $(Q)$(COMPILE_c) -Ddebug_$(subst -,_,$(OBJECT))=$* -c $< -o $@ $(POST_O)
  461. RULE_c_to_c = $(Q)$(COMPILE_c) -E -c $< > $@
  462. RULE_c_to_s = $(Q)$(COMPILE_c) -S -g0 -c $< -o $@
  463. PREPROCESS_S = $(CPP) $(CFLAGS) $(CFLAGS_S) $(OBJ_CFLAGS)
  464. ASSEMBLE_S = $(AS) $(ASFLAGS)
  465. RULE_S = $(Q)$(PREPROCESS_S) $< | $(ASSEMBLE_S) -o $@
  466. RULE_S_to_dbg%.o = $(Q)$(PREPROCESS_S) -Ddebug_$(subst -,_,$(OBJECT))=$* $< | $(ASSEMBLE_S) -o $@
  467. RULE_S_to_s = $(Q)$(PREPROCESS_S) $< > $@
  468. DEBUG_TARGETS += dbg%.o c s
  469. # List of embedded images included in the last build of embedded.o.
  470. # This is needed in order to correctly rebuild embedded.o whenever the
  471. # list of objects changes.
  472. #
  473. EMBED := $(EMBEDDED_IMAGE) # Maintain backwards compatibility
  474. EMBEDDED_LIST := $(BIN)/.embedded.list
  475. ifeq ($(wildcard $(EMBEDDED_LIST)),)
  476. EMBED_OLD := <invalid>
  477. else
  478. EMBED_OLD := $(shell cat $(EMBEDDED_LIST))
  479. endif
  480. ifneq ($(EMBED_OLD),$(EMBED))
  481. $(shell $(ECHO) "$(EMBED)" > $(EMBEDDED_LIST))
  482. endif
  483. $(EMBEDDED_LIST) :
  484. VERYCLEANUP += $(EMBEDDED_LIST)
  485. EMBEDDED_FILES := $(subst $(COMMA), ,$(EMBED))
  486. EMBED_ALL := $(foreach i,$(call seq,1,$(words $(EMBEDDED_FILES))),\
  487. EMBED ( $(i), \"$(word $(i), $(EMBEDDED_FILES))\",\
  488. \"$(notdir $(word $(i),$(EMBEDDED_FILES)))\" ))
  489. embedded_DEPS += $(EMBEDDED_FILES) $(EMBEDDED_LIST)
  490. CFLAGS_embedded = -DEMBED_ALL="$(EMBED_ALL)"
  491. # List of trusted root certificates
  492. #
  493. TRUSTED_LIST := $(BIN)/.trusted.list
  494. ifeq ($(wildcard $(TRUSTED_LIST)),)
  495. TRUST_OLD := <invalid>
  496. else
  497. TRUST_OLD := $(shell cat $(TRUSTED_LIST))
  498. endif
  499. ifneq ($(TRUST_OLD),$(TRUST))
  500. $(shell $(ECHO) "$(TRUST)" > $(TRUSTED_LIST))
  501. endif
  502. $(TRUSTED_LIST) :
  503. VERYCLEANUP += $(TRUSTED_LIST)
  504. # Trusted root certificate fingerprints
  505. #
  506. TRUSTED_CERTS := $(subst $(COMMA), ,$(TRUST))
  507. TRUSTED_FPS := $(foreach CERT,$(TRUSTED_CERTS),\
  508. 0x$(subst :,$(COMMA) 0x,$(lastword $(subst =, ,\
  509. $(shell $(OPENSSL) x509 -in $(CERT) -noout -sha256 \
  510. -fingerprint))))$(COMMA))
  511. rootcert_DEPS += $(TRUSTED_FILES) $(TRUSTED_LIST)
  512. CFLAGS_rootcert = $(if $(TRUSTED_FPS),-DTRUSTED="$(TRUSTED_FPS)")
  513. # (Single-element) list of client certificates
  514. #
  515. CERT_LIST := $(BIN)/.certificate.list
  516. ifeq ($(wildcard $(CERT_LIST)),)
  517. CERT_OLD := <invalid>
  518. else
  519. CERT_OLD := $(shell cat $(CERT_LIST))
  520. endif
  521. ifneq ($(CERT_OLD),$(CERT))
  522. $(shell $(ECHO) "$(CERT)" > $(CERT_LIST))
  523. endif
  524. $(CERT_LIST) :
  525. VERYCLEANUP += $(CERT_LIST)
  526. # Embedded client certificate
  527. #
  528. CERT_INC := $(BIN)/.certificate.der
  529. ifdef CERT
  530. $(CERT_INC) : $(CERT) $(CERT_LIST)
  531. $(Q)$(OPENSSL) x509 -in $< -outform DER -out $@
  532. clientcert_DEPS += $(CERT_INC)
  533. endif
  534. CLEANUP += $(CERT_INC)
  535. clientcert_DEPS += $(CERT_LIST)
  536. CFLAGS_clientcert += $(if $(CERT),-DCERTIFICATE="\"$(CERT_INC)\"")
  537. # (Single-element) list of client private keys
  538. #
  539. ifdef KEY
  540. PRIVKEY := $(KEY) # Maintain backwards compatibility
  541. endif
  542. PRIVKEY_LIST := $(BIN)/.private_key.list
  543. ifeq ($(wildcard $(PRIVKEY_LIST)),)
  544. PRIVKEY_OLD := <invalid>
  545. else
  546. PRIVKEY_OLD := $(shell cat $(PRIVKEY_LIST))
  547. endif
  548. ifneq ($(PRIVKEY_OLD),$(PRIVKEY))
  549. $(shell $(ECHO) "$(PRIVKEY)" > $(PRIVKEY_LIST))
  550. endif
  551. $(PRIVKEY_LIST) :
  552. VERYCLEANUP += $(PRIVKEY_LIST)
  553. # Embedded client private key
  554. #
  555. PRIVKEY_INC := $(BIN)/.private_key.der
  556. ifdef PRIVKEY
  557. $(PRIVKEY_INC) : $(PRIVKEY) $(PRIVKEY_LIST)
  558. $(Q)$(OPENSSL) rsa -in $< -outform DER -out $@
  559. clientcert_DEPS += $(PRIVKEY_INC)
  560. endif
  561. CLEANUP += $(PRIVKEY_INC)
  562. clientcert_DEPS += $(PRIVKEY_LIST)
  563. CFLAGS_clientcert += $(if $(PRIVKEY),-DPRIVATE_KEY="\"$(PRIVKEY_INC)\"")
  564. # These files use .incbin inline assembly to include a binary file.
  565. # Unfortunately ccache does not detect this dependency and caches
  566. # builds even when the binary file has changed.
  567. #
  568. $(BIN)/embedded.o : override CC := env CCACHE_DISABLE=1 $(CC)
  569. $(BIN)/clientcert.o : override CC := env CCACHE_DISABLE=1 $(CC)
  570. # Version number
  571. #
  572. CFLAGS_version += -DVERSION_MAJOR=$(VERSION_MAJOR) \
  573. -DVERSION_MINOR=$(VERSION_MINOR) \
  574. -DVERSION_PATCH=$(VERSION_PATCH) \
  575. -DVERSION="\"$(VERSION)\""
  576. # Make sure the version number gets updated on every git checkout
  577. ifneq ($(GITVERSION),)
  578. $(BIN)/version.o : ../.git/index
  579. endif
  580. # We automatically generate rules for any file mentioned in AUTO_SRCS
  581. # using the following set of templates. We use $(eval ...) if
  582. # available, otherwise we generate separate Makefile fragments and
  583. # include them.
  584. # deps_template : generate dependency list for a given source file
  585. #
  586. # $(1) is the full path to the source file (e.g. "drivers/net/rtl8139.c")
  587. #
  588. define deps_template_file
  589. $(call deps_template_parts,$(1),$(subst .,,$(suffix $(1))),$(basename $(notdir $(1))))
  590. endef
  591. #
  592. # $(1) is the full path to the source file (e.g. "drivers/net/rtl8139.c")
  593. # $(2) is the source type (e.g. "c")
  594. # $(3) is the source base name (e.g. "rtl8139")
  595. #
  596. define deps_template_parts
  597. @$(ECHO) " [DEPS] $(1)"
  598. @$(MKDIR) -p $(BIN)/deps/$(dir $(1))
  599. $(Q)$(CPP) $(CFLAGS) $(CFLAGS_$(2)) $(CFLAGS_$(3)) -DOBJECT=$(3) \
  600. -Wno-error -M $(1) -MG -MP | \
  601. sed 's/\.o\s*:/_DEPS +=/' > $(BIN)/deps/$(1).d
  602. $(Q)$(if $(findstring drivers/,$(1)),\
  603. $(PERL) $(PARSEROM) $(1) >> $(BIN)/deps/$(1).d)
  604. endef
  605. # rules_template : generate rules for a given source file
  606. #
  607. # $(1) is the full path to the source file (e.g. "drivers/net/rtl8139.c")
  608. #
  609. define rules_template
  610. $(call rules_template_parts,$(1),$(subst .,,$(suffix $(1))),$(basename $(notdir $(1))))
  611. endef
  612. #
  613. # $(1) is the full path to the source file (e.g. "drivers/net/rtl8139.c")
  614. # $(2) is the source type (e.g. "c")
  615. # $(3) is the source base name (e.g. "rtl8139")
  616. #
  617. define rules_template_parts
  618. $$(BIN)/$(3).o : $(1) $$(MAKEDEPS) $$(POST_O_DEPS) $$($(3)_DEPS)
  619. $$(QM)$(ECHO) " [BUILD] $$@"
  620. $$(RULE_$(2))
  621. BOBJS += $$(BIN)/$(3).o
  622. $(foreach TGT,$(DEBUG_TARGETS),$(if $(RULE_$(2)_to_$(TGT)),$(NEWLINE)$(call rules_template_target,$(1),$(2),$(3),$(TGT))))
  623. $$(BIN)/deps/$(1).d : $$($(3)_DEPS)
  624. TAGS : $$($(3)_DEPS)
  625. endef
  626. #
  627. # $(1) is the full path to the source file (e.g. "drivers/net/rtl8139.c")
  628. # $(2) is the source type (e.g. "c")
  629. # $(3) is the source base name (e.g. "rtl8139")
  630. # $(4) is the destination type (e.g. "dbg%.o")
  631. #
  632. define rules_template_target
  633. $$(BIN)/$(3).$(4) : $(1) $$(MAKEDEPS) $$(POST_O_DEPS) $$($(3)_DEPS)
  634. $$(QM)$(ECHO) " [BUILD] $$@"
  635. $$(RULE_$(2)_to_$(4))
  636. $(TGT)_OBJS += $$(BIN)/$(3).$(4)
  637. endef
  638. #
  639. # $(1) is the full path to the source file (e.g. "drivers/net/rtl8139.c")
  640. #
  641. define rules_template_file
  642. @$(ECHO) " [RULES] $(1)"
  643. @$(MKDIR) -p $(BIN)/rules/$(dir $(1))
  644. @$(ECHO_E) '$(subst $(NEWLINE),\n,$(call rules_template,$(1)))' \
  645. > $(BIN)/rules/$(1).r
  646. endef
  647. # Generate the dependency files
  648. #
  649. $(BIN)/deps/%.d : % $(MAKEDEPS) $(PARSEROM)
  650. $(call deps_template_file,$<)
  651. # Calculate list of dependency files
  652. #
  653. AUTO_DEPS = $(patsubst %,$(BIN)/deps/%.d,$(AUTO_SRCS))
  654. autodeps :
  655. @$(ECHO) $(AUTO_DEPS)
  656. VERYCLEANUP += $(BIN)/deps
  657. # Include dependency files
  658. #
  659. ifdef NEED_DEPS
  660. ifneq ($(AUTO_DEPS),)
  661. -include $(AUTO_DEPS)
  662. endif
  663. endif
  664. # Generate the rules files
  665. #
  666. $(BIN)/rules/%.r : % $(MAKEDEPS)
  667. $(call rules_template_file,$<)
  668. # Calculate list of rules files
  669. #
  670. AUTO_RULES = $(patsubst %,$(BIN)/rules/%.r,$(AUTO_SRCS))
  671. autorules :
  672. @$(ECHO) $(AUTO_RULES)
  673. VERYCLEANUP += $(BIN)/rules
  674. # Evaluate rules (or include rules files)
  675. #
  676. ifdef NEED_DEPS
  677. ifneq ($(AUTO_RULES),)
  678. ifneq ($(HAVE_EVAL),)
  679. $(foreach SRC,$(AUTO_SRCS),$(eval $(call rules_template,$(SRC))))
  680. else
  681. -include $(AUTO_RULES)
  682. endif
  683. endif
  684. endif
  685. # The following variables are created by the rules files
  686. #
  687. bobjs :
  688. @$(ECHO) $(BOBJS)
  689. drivers :
  690. @$(ECHO) $(DRIVERS)
  691. .PHONY : drivers
  692. roms :
  693. @$(ECHO) $(ROMS)
  694. # Generate error usage information
  695. #
  696. $(BIN)/%.einfo : $(BIN)/%.o
  697. $(QM)$(ECHO) " [EINFO] $@"
  698. $(Q)$(OBJCOPY) -O binary -j .einfo --set-section-flags .einfo=alloc \
  699. $< $@
  700. EINFOS := $(patsubst $(BIN)/%.o,$(BIN)/%.einfo,$(BOBJS))
  701. $(BIN)/errors : $(EINFOS) $(EINFO)
  702. $(QM)$(ECHO) " [EINFO] $@"
  703. $(Q)$(EINFO) $(EINFOS) | sort > $@
  704. CLEANUP += $(BIN)/errors # Doesn't match the $(BIN)/*.* pattern
  705. # Generate the NIC file from the parsed source files. The NIC file is
  706. # only for rom-o-matic.
  707. #
  708. $(BIN)/NIC : $(AUTO_DEPS)
  709. @$(ECHO) '# This is an automatically generated file, do not edit' > $@
  710. @$(ECHO) '# It does not affect anything in the build, ' \
  711. 'it is only for rom-o-matic' >> $@
  712. @$(ECHO) >> $@
  713. @perl -ne 'chomp; print "$$1\n" if /\# NIC\t(.*)$$/' $^ >> $@
  714. CLEANUP += $(BIN)/NIC # Doesn't match the $(BIN)/*.* pattern
  715. # Analyse a target name (e.g. "bin/dfe538--prism2_pci.zrom.tmp") and
  716. # derive the variables:
  717. #
  718. # TGT_ELEMENTS : the elements of the target (e.g. "dfe538 prism2_pci")
  719. # TGT_PREFIX : the prefix type (e.g. "zrom")
  720. # TGT_DRIVERS : the driver for each element (e.g. "rtl8139 prism2_pci")
  721. # TGT_ROM_NAME : the ROM name (e.g. "dfe538")
  722. # TGT_MEDIA : the media type (e.g. "rom")
  723. #
  724. DRIVERS_ipxe = $(DRIVERS)
  725. CARD_DRIVER = $(firstword $(DRIVER_$(1)) $(1))
  726. TGT_ELEMENTS = $(subst --, ,$(firstword $(subst ., ,$(notdir $@))))
  727. TGT_PREFIX = $(word 2,$(subst ., ,$(notdir $@)))
  728. TGT_ROM_NAME = $(firstword $(TGT_ELEMENTS))
  729. TGT_DRIVERS = $(strip $(if $(DRIVERS_$(TGT_ROM_NAME)), \
  730. $(DRIVERS_$(TGT_ROM_NAME)), \
  731. $(foreach TGT_ELEMENT,$(TGT_ELEMENTS), \
  732. $(call CARD_DRIVER,$(TGT_ELEMENT))) ))
  733. TGT_MEDIA = $(subst z,,$(TGT_PREFIX))
  734. # Look up ROM IDs for the current target
  735. # (e.g. "bin/dfe538--prism2_pci.zrom.tmp") and derive the variables:
  736. #
  737. # TGT_PCI_VENDOR : the PCI vendor ID (e.g. "0x1186")
  738. # TGT_PCI_DEVICE : the PCI device ID (e.g. "0x1300")
  739. #
  740. TGT_PCI_VENDOR = $(PCI_VENDOR_$(TGT_ROM_NAME))
  741. TGT_PCI_DEVICE = $(PCI_DEVICE_$(TGT_ROM_NAME))
  742. # Calculate link-time options for the current target
  743. # (e.g. "bin/dfe538--prism2_pci.zrom.tmp") and derive the variables:
  744. #
  745. # TGT_LD_DRIVERS : symbols to require in order to drag in the relevant drivers
  746. # (e.g. "obj_rtl8139 obj_prism2_pci")
  747. # TGT_LD_IDS : symbols to define in order to fill in ID structures in the
  748. # ROM header (e.g."pci_vendor_id=0x1186 pci_device_id=0x1300")
  749. #
  750. TGT_LD_DRIVERS = $(subst -,_,$(patsubst %,obj_%,$(TGT_DRIVERS)))
  751. TGT_LD_IDS = pci_vendor_id=$(firstword $(TGT_PCI_VENDOR) 0) \
  752. pci_device_id=$(firstword $(TGT_PCI_DEVICE) 0)
  753. TGT_LD_ENTRY = _$(TGT_PREFIX)_start
  754. # Calculate linker flags based on link-time options for the current
  755. # target type (e.g. "bin/dfe538--prism2_pci.zrom.tmp") and derive the
  756. # variables:
  757. #
  758. # TGT_LD_FLAGS : target-specific flags to pass to linker (e.g.
  759. # "-u obj_zpciprefix -u obj_rtl8139 -u obj_prism2_pci
  760. # --defsym pci_vendor=0x1186 --defsym pci_device=0x1300")
  761. #
  762. TGT_LD_FLAGS = $(foreach SYM,$(TGT_LD_ENTRY) $(TGT_LD_DRIVERS) obj_config,\
  763. -u $(SYM) --defsym check_$(SYM)=$(SYM) ) \
  764. $(patsubst %,--defsym %,$(TGT_LD_IDS)) \
  765. -e $(TGT_LD_ENTRY)
  766. # Calculate list of debugging versions of objects to be included in
  767. # the target.
  768. #
  769. DEBUG_LIST = $(subst $(COMMA), ,$(DEBUG))
  770. DEBUG_OBJ_LEVEL = $(firstword $(word 2,$(subst :, ,$(1))) 1)
  771. DEBUG_OBJ_BASE = $(word 1,$(subst :, ,$(1))).dbg$(call DEBUG_OBJ_LEVEL,$(1))
  772. DEBUG_OBJ = $(BIN)/$(call DEBUG_OBJ_BASE,$(1)).o
  773. DEBUG_ORIG_OBJ = $(BIN)/$(word 1,$(subst :, ,$(1))).o
  774. DEBUG_OBJS = $(foreach D,$(DEBUG_LIST),$(call DEBUG_OBJ,$(D)))
  775. DEBUG_ORIG_OBJS = $(foreach D,$(DEBUG_LIST),$(call DEBUG_ORIG_OBJ,$(D)))
  776. BLIB_OBJS = $(DEBUG_OBJS) $(filter-out $(DEBUG_ORIG_OBJS),$(BOBJS))
  777. # Print out all derived information for a given target.
  778. #
  779. $(BIN)/%.info :
  780. @$(ECHO) 'Elements : $(TGT_ELEMENTS)'
  781. @$(ECHO) 'Prefix : $(TGT_PREFIX)'
  782. @$(ECHO) 'Drivers : $(TGT_DRIVERS)'
  783. @$(ECHO) 'ROM name : $(TGT_ROM_NAME)'
  784. @$(ECHO) 'Media : $(TGT_MEDIA)'
  785. @$(ECHO)
  786. @$(ECHO) 'PCI vendor : $(TGT_PCI_VENDOR)'
  787. @$(ECHO) 'PCI device : $(TGT_PCI_DEVICE)'
  788. @$(ECHO)
  789. @$(ECHO) 'LD driver symbols : $(TGT_LD_DRIVERS)'
  790. @$(ECHO) 'LD ID symbols : $(TGT_LD_IDS)'
  791. @$(ECHO) 'LD entry point : $(TGT_LD_ENTRY)'
  792. @$(ECHO)
  793. @$(ECHO) 'LD target flags : $(TGT_LD_FLAGS)'
  794. @$(ECHO)
  795. @$(ECHO) 'Debugging objects : $(DEBUG_OBJS)'
  796. @$(ECHO) 'Replaced objects : $(DEBUG_ORIG_OBJS)'
  797. # List of objects included in the last build of blib. This is needed
  798. # in order to correctly rebuild blib whenever the list of objects
  799. # changes.
  800. #
  801. BLIB_LIST := $(BIN)/.blib.list
  802. ifeq ($(wildcard $(BLIB_LIST)),)
  803. BLIB_OBJS_OLD := <invalid>
  804. else
  805. BLIB_OBJS_OLD := $(shell cat $(BLIB_LIST))
  806. endif
  807. ifneq ($(BLIB_OBJS_OLD),$(BLIB_OBJS))
  808. $(shell $(ECHO) "$(BLIB_OBJS)" > $(BLIB_LIST))
  809. endif
  810. $(BLIB_LIST) :
  811. VERYCLEANUP += $(BLIB_LIST)
  812. # Library of all objects
  813. #
  814. BLIB = $(BIN)/blib.a
  815. $(BLIB) : $(BLIB_OBJS) $(BLIB_LIST) $(MAKEDEPS)
  816. $(Q)$(RM) $(BLIB)
  817. $(QM)$(ECHO) " [AR] $@"
  818. $(Q)$(AR) r $@ $(BLIB_OBJS)
  819. $(Q)$(RANLIB) $@
  820. blib : $(BLIB)
  821. # Command to generate build ID. Must be unique for each $(BIN)/%.tmp,
  822. # even within the same build run.
  823. #
  824. BUILD_ID_CMD := perl -e 'printf "0x%08x", int ( rand ( 0xffffffff ) );'
  825. # Build an intermediate object file from the objects required for the
  826. # specified target.
  827. #
  828. $(BIN)/%.tmp : $(BLIB) $(MAKEDEPS) $(LDSCRIPT)
  829. $(QM)$(ECHO) " [LD] $@"
  830. $(Q)$(LD) $(LDFLAGS) -T $(LDSCRIPT) $(TGT_LD_FLAGS) $(BLIB) -o $@ \
  831. --defsym _build_id=`$(BUILD_ID_CMD)` -Map $(BIN)/$*.tmp.map
  832. $(Q)$(OBJDUMP) -ht $@ | $(PERL) $(SORTOBJDUMP) >> $(BIN)/$*.tmp.map
  833. # Keep intermediate object file (useful for debugging)
  834. .PRECIOUS : $(BIN)/%.tmp
  835. # Show a linker map for the specified target
  836. #
  837. $(BIN)/%.map : $(BIN)/%.tmp
  838. @less $(BIN)/$*.tmp.map
  839. # Get objects list for the specified target
  840. #
  841. define objs_list
  842. $(sort $(foreach OBJ_SYMBOL,\
  843. $(filter obj_%,$(shell $(NM) $(1) | cut -d" " -f3)),\
  844. $(patsubst obj_%,%,$(OBJ_SYMBOL))))
  845. endef
  846. $(BIN)/%.objs : $(BIN)/%.tmp
  847. $(Q)$(ECHO) $(call objs_list,$<)
  848. $(BIN)/%.sizes : $(BIN)/%.tmp
  849. $(Q)$(SIZE) -t $(foreach OBJ,$(call objs_list,$<),$(wildcard $(BIN)/$(subst _,?,$(OBJ)).o)) | \
  850. sort -g
  851. # Get dependency list for the specified target
  852. #
  853. define deps_list
  854. $(sort $(foreach OBJ,$(call objs_list,$(1)),$($(OBJ)_DEPS)))
  855. endef
  856. $(BIN)/%.deps : $(BIN)/%.tmp
  857. $(Q)$(ECHO) $(call deps_list,$<)
  858. # Get unneeded source files for the specified target
  859. #
  860. define nodeps_list
  861. $(sort $(filter-out $(call deps_list,$(1)),\
  862. $(foreach BOBJ,$(BOBJS),\
  863. $($(basename $(notdir $(BOBJ)))_DEPS))))
  864. endef
  865. $(BIN)/%.nodeps : $(BIN)/%.tmp
  866. $(Q)$(ECHO) $(call nodeps_list,$<)
  867. # Get licensing verdict for the specified target
  868. #
  869. define licensable_deps_list
  870. $(filter-out config/local/%.h,\
  871. $(filter-out $(BIN)/.%.list,\
  872. $(call deps_list,$(1))))
  873. endef
  874. define unlicensed_deps_list
  875. $(shell grep -L FILE_LICENCE $(call licensable_deps_list,$(1)))
  876. endef
  877. define licence_list
  878. $(sort $(foreach LICENCE,\
  879. $(filter __licence__%,$(shell $(NM) $(1) | cut -d" " -f3)),\
  880. $(word 2,$(subst __, ,$(LICENCE)))))
  881. endef
  882. $(BIN)/%.licence_list : $(BIN)/%.tmp
  883. $(Q)$(ECHO) $(call licence_list,$<)
  884. $(BIN)/%.licence : $(BIN)/%.tmp
  885. $(QM)$(ECHO) " [LICENCE] $@"
  886. $(Q)$(if $(strip $(call unlicensed_deps_list,$<)),\
  887. echo -n "Unable to determine licence because the following " ;\
  888. echo "files are missing a licence declaration:" ;\
  889. echo $(call unlicensed_deps_list,$<);\
  890. exit 1,\
  891. $(PERL) $(LICENCE) $(call licence_list,$<))
  892. # Extract compression information from intermediate object file
  893. #
  894. $(BIN)/%.zinfo : $(BIN)/%.tmp
  895. $(QM)$(ECHO) " [ZINFO] $@"
  896. $(Q)$(OBJCOPY) -O binary -j .zinfo $< $@
  897. # Build raw binary file from intermediate object file
  898. #
  899. $(BIN)/%.bin : $(BIN)/%.tmp
  900. $(QM)$(ECHO) " [BIN] $@"
  901. $(Q)$(OBJCOPY) -O binary -R .zinfo $< $@
  902. # Compress raw binary file
  903. #
  904. $(BIN)/%.zbin : $(BIN)/%.bin $(BIN)/%.zinfo $(ZBIN)
  905. $(QM)$(ECHO) " [ZBIN] $@"
  906. $(Q)$(ZBIN) $(BIN)/$*.bin $(BIN)/$*.zinfo > $@
  907. # Rules for each media format. These are generated and placed in an
  908. # external Makefile fragment. We could do this via $(eval ...), but
  909. # that would require make >= 3.80.
  910. #
  911. # Note that there's an alternative way to generate most .rom images:
  912. # they can be copied from their 'master' ROM image using cp and
  913. # reprocessed with makerom to add the PCI IDs and ident string. The
  914. # relevant rule would look something like:
  915. #
  916. # $(BIN)/dfe538%rom : $(BIN)/rtl8139%rom
  917. # cat $< $@
  918. # $(FINALISE_rom)
  919. #
  920. # You can derive the ROM/driver relationships using the variables
  921. # DRIVER_<rom> and/or ROMS_<driver>.
  922. #
  923. # We don't currently do this, because (a) it would require generating
  924. # yet more Makefile fragments (since you need a rule for each ROM in
  925. # ROMS), and (b) the linker is so fast that it probably wouldn't make
  926. # much difference to the overall build time.
  927. # Add NON_AUTO_MEDIA to the media list, so that they show up in the
  928. # output of "make"
  929. #
  930. MEDIA += $(NON_AUTO_MEDIA)
  931. media :
  932. @$(ECHO) $(MEDIA)
  933. AUTO_MEDIA = $(filter-out $(NON_AUTO_MEDIA),$(MEDIA))
  934. automedia :
  935. @$(ECHO) $(AUTO_MEDIA)
  936. # media_template : create media rules
  937. #
  938. # $(1) is the media name (e.g. "rom")
  939. #
  940. define media_template
  941. $(if $(filter $(1),$(AUTO_MEDIA)),$(call auto_media_template,$(1)))
  942. LIST_$(1) := $$(if $$(LIST_NAME_$(1)),$$($$(LIST_NAME_$(1))),$$(DRIVERS))
  943. ALL_$(1) = $$(foreach ITEM,$$(LIST_$(1)),$$(BIN)/$$(ITEM).$(1))
  944. $$(BIN)/all$(1)s : $$(ALL_$(1))
  945. $$(BIN)/allall : $$(BIN)/all$(1)s
  946. all$(1)s : $$(BIN)/all$(1)s
  947. allall : $$(BIN)/allall
  948. endef
  949. #
  950. # $(1) is the media name (e.g. "rom")
  951. #
  952. define auto_media_template
  953. $$(BIN)/%.$(1) : $$(BIN)/%.$(1).zbin
  954. $$(QM)echo " [FINISH] $$@"
  955. $$(Q)$$(CP) $$< $$@
  956. $$(Q)$$(if $$(PAD_$(1)),$$(PAD_$(1)) $$@)
  957. $$(Q)$$(if $$(FINALISE_$(1)),$$(FINALISE_$(1)) $$@)
  958. endef
  959. #
  960. # $(1) is the media name (e.g. "rom")
  961. #
  962. define media_template_file
  963. @$(ECHO) " [MEDIARULES] $(1)"
  964. @$(MKDIR) -p $(BIN)/rules/$(dir $(1))
  965. @$(ECHO_E) '$(subst $(NEWLINE),\n,$(call media_template,$(1)))' \
  966. > $(BIN)/rules/$(1).media.r
  967. endef
  968. # Generate media rules files
  969. #
  970. $(BIN)/rules/%.media.r : $(MAKEDEPS)
  971. $(call media_template_file,$*)
  972. # Calculate list of media rules files
  973. #
  974. MEDIA_RULES = $(patsubst %,$(BIN)/rules/%.media.r,$(MEDIA))
  975. mediarules :
  976. @$(ECHO) $(MEDIA_RULES)
  977. # Evaluate media rules (or include media rules files)
  978. #
  979. ifdef NEED_DEPS
  980. ifneq ($(MEDIA_RULES),)
  981. ifneq ($(HAVE_EVAL),)
  982. $(foreach MEDIUM,$(MEDIA),$(eval $(call media_template,$(MEDIUM))))
  983. else
  984. -include $(MEDIA_RULES)
  985. endif
  986. endif
  987. endif
  988. # Wrap up binary blobs (for embedded images)
  989. #
  990. $(BIN)/%.o : payload/%.img
  991. $(QM)echo " [WRAP] $@"
  992. $(Q)$(LD) -b binary -r -o $@ $< --undefined obj_payload \
  993. --defsym obj_$*=0
  994. BOBJS += $(patsubst payload/%.img,$(BIN)/%.o,$(wildcard payload/*.img))
  995. # Alias for ipxe.%
  996. #
  997. $(BIN)/etherboot.% : $(BIN)/ipxe.%
  998. ln -sf $(notdir $<) $@
  999. endif # defined(BIN)
  1000. ###############################################################################
  1001. #
  1002. # The compression utilities
  1003. #
  1004. $(NRV2B) : util/nrv2b.c $(MAKEDEPS)
  1005. $(QM)$(ECHO) " [HOSTCC] $@"
  1006. $(Q)$(HOST_CC) $(HOST_CFLAGS) -DENCODE -DDECODE -DMAIN -DVERBOSE \
  1007. -DNDEBUG -DBITSIZE=32 -DENDIAN=0 -o $@ $<
  1008. CLEANUP += $(NRV2B)
  1009. $(ZBIN) : util/zbin.c util/nrv2b.c $(MAKEDEPS)
  1010. $(QM)$(ECHO) " [HOSTCC] $@"
  1011. $(Q)$(HOST_CC) $(HOST_CFLAGS) -o $@ $<
  1012. CLEANUP += $(ZBIN)
  1013. ###############################################################################
  1014. #
  1015. # The EFI image converter
  1016. #
  1017. ELF2EFI_CFLAGS := -I$(BINUTILS_DIR)/include -I$(BFD_DIR)/include \
  1018. -I$(ZLIB_DIR)/include -idirafter include
  1019. ELF2EFI_LDFLAGS := -L$(BINUTILS_DIR)/lib -L$(BFD_DIR)/lib -L$(ZLIB_DIR)/lib \
  1020. -lbfd -ldl -liberty -lz -Wl,--no-warn-search-mismatch
  1021. $(ELF2EFI32) : util/elf2efi.c $(MAKEDEPS)
  1022. $(QM)$(ECHO) " [HOSTCC] $@"
  1023. $(Q)$(HOST_CC) $(HOST_CFLAGS) $(ELF2EFI_CFLAGS) -DEFI_TARGET_IA32 $< \
  1024. $(ELF2EFI_LDFLAGS) -o $@
  1025. CLEANUP += $(ELF2EFI32)
  1026. $(ELF2EFI64) : util/elf2efi.c $(MAKEDEPS)
  1027. $(QM)$(ECHO) " [HOSTCC] $@"
  1028. $(Q)$(HOST_CC) $(HOST_CFLAGS) $(ELF2EFI_CFLAGS) -DEFI_TARGET_X64 $< \
  1029. $(ELF2EFI_LDFLAGS) -o $@
  1030. CLEANUP += $(ELF2EFI64)
  1031. $(EFIROM) : util/efirom.c $(MAKEDEPS)
  1032. $(QM)$(ECHO) " [HOSTCC] $@"
  1033. $(Q)$(HOST_CC) $(HOST_CFLAGS) -idirafter include -o $@ $<
  1034. CLEANUP += $(EFIROM)
  1035. ###############################################################################
  1036. #
  1037. # The ICC fixup utility
  1038. #
  1039. $(ICCFIX) : util/iccfix.c $(MAKEDEPS)
  1040. $(QM)$(ECHO) " [HOSTCC] $@"
  1041. $(Q)$(HOST_CC) $(HOST_CFLAGS) -idirafter include -o $@ $<
  1042. CLEANUP += $(ICCFIX)
  1043. ###############################################################################
  1044. #
  1045. # The error usage information utility
  1046. #
  1047. $(EINFO) : util/einfo.c $(MAKEDEPS)
  1048. $(QM)$(ECHO) " [HOSTCC] $@"
  1049. $(Q)$(HOST_CC) $(HOST_CFLAGS) -idirafter include -o $@ $<
  1050. CLEANUP += $(EINFO)
  1051. ###############################################################################
  1052. #
  1053. # Local configs
  1054. #
  1055. config/local/%.h :
  1056. $(Q)touch $@
  1057. ###############################################################################
  1058. #
  1059. # Auto-incrementing build serial number. Append "bs" to your list of
  1060. # build targets to get a serial number printed at the end of the
  1061. # build. Enable -DBUILD_SERIAL in order to see it when the code runs.
  1062. #
  1063. BUILDSERIAL_H = config/.buildserial.h
  1064. BUILDSERIAL_NOW = config/.buildserial.now
  1065. BUILDSERIAL_NEXT = config/.buildserial.next
  1066. $(BUILDSERIAL_NOW) $(BUILDSERIAL_NEXT) :
  1067. $(ECHO) 1 > $@
  1068. $(BUILDSERIAL_H) : $(BUILDSERIAL_NOW) $(BUILDSERIAL_NEXT)
  1069. $(ECHO) '#define BUILD_SERIAL_NUM $(shell cat $<)' > $@
  1070. ifeq ($(filter bs,$(MAKECMDGOALS)),bs)
  1071. $(shell diff -q $(BUILDSERIAL_NOW) $(BUILDSERIAL_NEXT) > /dev/null || \
  1072. cp -f $(BUILDSERIAL_NEXT) $(BUILDSERIAL_NOW))
  1073. endif
  1074. bs : $(BUILDSERIAL_NOW)
  1075. @$(ECHO) $$(( $(shell cat $<) + 1 )) > $(BUILDSERIAL_NEXT)
  1076. @$(ECHO) "Build serial number is $(shell cat $<)"
  1077. ###############################################################################
  1078. #
  1079. # Build the TAGS file(s) for emacs
  1080. #
  1081. TAGS :
  1082. ctags -e -R -f $@ --exclude=bin
  1083. CLEANUP += TAGS
  1084. ###############################################################################
  1085. #
  1086. # Force rebuild for any given target
  1087. #
  1088. %.rebuild :
  1089. rm -f $*
  1090. $(Q)$(MAKE) $*
  1091. ###############################################################################
  1092. #
  1093. # Symbol table checks
  1094. #
  1095. ifdef BIN
  1096. SYMTAB = $(BIN)/symtab
  1097. $(SYMTAB) : $(BLIB)
  1098. $(OBJDUMP) -w -t $< > $@
  1099. CLEANUP += $(BIN)/symtab
  1100. symcheck : $(SYMTAB)
  1101. $(PERL) $(SYMCHECK) $<
  1102. endif # defined(BIN)
  1103. ###############################################################################
  1104. #
  1105. # Build bochs symbol table
  1106. #
  1107. ifdef BIN
  1108. $(BIN)/%.bxs : $(BIN)/%.tmp
  1109. $(NM) $< | cut -d" " -f1,3 > $@
  1110. endif # defined(BIN)
  1111. ###############################################################################
  1112. #
  1113. # Documentation
  1114. #
  1115. ifdef BIN
  1116. $(BIN)/doxygen.cfg : doxygen.cfg $(MAKEDEPS)
  1117. $(Q)$(PERL) -pe 's{\@SRCDIRS\@}{$(SRCDIRS)}; ' \
  1118. -e 's{\@INCDIRS\@}{$(filter-out .,$(INCDIRS))}; ' \
  1119. -e 's{\@BIN\@}{$(BIN)}; ' \
  1120. -e 's{\@ARCH\@}{$(ARCH)}; ' \
  1121. $< > $@
  1122. $(BIN)/doc : $(BIN)/doxygen.cfg
  1123. $(Q)$(DOXYGEN) $<
  1124. .PHONY : $(BIN)/doc
  1125. doc : $(BIN)/doc
  1126. doc-clean :
  1127. $(Q)$(RM) -r $(BIN)/doc
  1128. VERYCLEANUP += $(BIN)/doc
  1129. docview :
  1130. @[ -f $(BIN)/doc/html/index.html ] || $(MAKE) $(BIN)/doc
  1131. @if [ -n "$$BROWSER" ] ; then \
  1132. ( $$BROWSER $(BIN)/doc/html/index.html & ) ; \
  1133. else \
  1134. $(ECHO) "Documentation index in $(BIN)/doc/html/index.html" ; \
  1135. fi
  1136. endif # defined(BIN)
  1137. ###############################################################################
  1138. #
  1139. # Keyboard maps
  1140. #
  1141. hci/keymap/keymap_%.c :
  1142. $(Q)$(PERL) $(GENKEYMAP) $* > $@
  1143. ###############################################################################
  1144. #
  1145. # Force deletion of incomplete targets
  1146. #
  1147. .DELETE_ON_ERROR :
  1148. ###############################################################################
  1149. #
  1150. # Clean-up
  1151. #
  1152. clean :
  1153. $(RM) $(CLEANUP)
  1154. veryclean : clean
  1155. $(RM) -r $(VERYCLEANUP)