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Makefile.housekeeping 35KB

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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 for various tool workarounds
  105. #
  106. WORKAROUND_CFLAGS :=
  107. WORKAROUND_ASFLAGS :=
  108. WORKAROUND_LDFLAGS :=
  109. # Make syntax does not allow use of comma or space in certain places.
  110. # This ugly workaround is suggested in the manual.
  111. #
  112. COMMA := ,
  113. EMPTY :=
  114. SPACE := $(EMPTY) $(EMPTY)
  115. # Check for an old version of gas (binutils 2.9.1)
  116. #
  117. OLDGAS := $(shell $(AS) --version | grep -q '2\.9\.1' && $(ECHO) -DGAS291)
  118. WORKAROUND_CFLAGS += $(OLDGAS)
  119. oldgas :
  120. @$(ECHO) $(oldgas)
  121. # Some widespread patched versions of gcc include -fstack-protector by
  122. # default, even when -ffreestanding is specified. We therefore need
  123. # to disable -fstack-protector if the compiler supports it.
  124. #
  125. ifeq ($(CCTYPE),gcc)
  126. SP_TEST = $(CC) -fno-stack-protector -x c -c /dev/null \
  127. -o /dev/null >/dev/null 2>&1
  128. SP_FLAGS := $(shell $(SP_TEST) && $(ECHO) '-fno-stack-protector')
  129. WORKAROUND_CFLAGS += $(SP_FLAGS)
  130. endif
  131. # Some widespread patched versions of gcc include -fPIE -Wl,-pie by
  132. # default. Note that gcc will exit *successfully* if it fails to
  133. # recognise an option that starts with "no", so we have to test for
  134. # output on stderr instead of checking the exit status.
  135. #
  136. ifeq ($(CCTYPE),gcc)
  137. PIE_TEST = [ -z "`$(CC) -fno-PIE -nopie -x c -c /dev/null -o /dev/null 2>&1`" ]
  138. PIE_FLAGS := $(shell $(PIE_TEST) && $(ECHO) '-fno-PIE -nopie')
  139. WORKAROUND_CFLAGS += $(PIE_FLAGS)
  140. endif
  141. # gcc 4.4 generates .eh_frame sections by default, which distort the
  142. # output of "size". Inhibit this.
  143. #
  144. ifeq ($(CCTYPE),gcc)
  145. CFI_TEST = $(CC) -fno-dwarf2-cfi-asm -x c -c /dev/null \
  146. -o /dev/null >/dev/null 2>&1
  147. CFI_FLAGS := $(shell $(CFI_TEST) && $(ECHO) '-fno-dwarf2-cfi-asm')
  148. WORKAROUND_CFLAGS += $(CFI_FLAGS)
  149. endif
  150. # gcc 4.6 generates spurious warnings if -Waddress is in force.
  151. # Inhibit this.
  152. #
  153. ifeq ($(CCTYPE),gcc)
  154. WNA_TEST = $(CC) -Wno-address -x c -c /dev/null -o /dev/null >/dev/null 2>&1
  155. WNA_FLAGS := $(shell $(WNA_TEST) && $(ECHO) '-Wno-address')
  156. WORKAROUND_CFLAGS += $(WNA_FLAGS)
  157. endif
  158. # Some versions of gas choke on division operators, treating them as
  159. # comment markers. Specifying --divide will work around this problem,
  160. # but isn't available on older gas versions.
  161. #
  162. DIVIDE_TEST = $(AS) --divide /dev/null -o /dev/null 2>/dev/null
  163. DIVIDE_FLAGS := $(shell $(DIVIDE_TEST) && $(ECHO) '--divide')
  164. WORKAROUND_ASFLAGS += $(DIVIDE_FLAGS)
  165. ###############################################################################
  166. #
  167. # Build verbosity
  168. #
  169. ifeq ($(V),1)
  170. Q :=
  171. QM := @\#
  172. else
  173. Q := @
  174. QM := @
  175. endif
  176. ###############################################################################
  177. #
  178. # Set BIN according to whatever was specified on the command line as
  179. # the build target.
  180. #
  181. # Determine how many different BIN directories are mentioned in the
  182. # make goals.
  183. #
  184. BIN_GOALS := $(filter bin/% bin-%,$(MAKECMDGOALS))
  185. BIN_GOALS_BINS := $(sort $(foreach BG,$(BIN_GOALS),\
  186. $(firstword $(subst /, ,$(BG)))))
  187. NUM_BINS := $(words $(BIN_GOALS_BINS))
  188. ifeq ($(NUM_BINS),0)
  189. # No BIN directory was specified. Set BIN to "bin" as a sensible
  190. # default.
  191. BIN := bin
  192. else # NUM_BINS == 0
  193. ifeq ($(NUM_BINS),1)
  194. # If exactly one BIN directory was specified, set BIN to match this
  195. # directory.
  196. #
  197. BIN := $(firstword $(BIN_GOALS_BINS))
  198. else # NUM_BINS == 1
  199. # More than one BIN directory was specified. We cannot handle the
  200. # latter case within a single make invocation, so set up recursive
  201. # targets for each BIN directory. Use exactly one target for each BIN
  202. # directory since running multiple make invocations within the same
  203. # BIN directory is likely to cause problems.
  204. #
  205. # Leave $(BIN) undefined. This has implications for any target that
  206. # depends on $(BIN); such targets should be made conditional upon the
  207. # existence of $(BIN).
  208. #
  209. BIN_GOALS_FIRST := $(foreach BGB,$(BIN_GOALS_BINS),\
  210. $(firstword $(filter $(BGB)/%,$(BIN_GOALS))))
  211. BIN_GOALS_OTHER := $(filter-out $(BIN_GOALS_FIRST),$(BIN_GOALS))
  212. $(BIN_GOALS_FIRST) : % : BIN_RECURSE
  213. $(Q)$(MAKE) --no-print-directory BIN=$(firstword $(subst /, ,$@)) \
  214. $(filter $(firstword $(subst /, ,$@))/%, $(BIN_GOALS))
  215. $(BIN_GOALS_OTHER) : % : BIN_RECURSE
  216. $(Q)$(TRUE)
  217. .PHONY : BIN_RECURSE
  218. endif # NUM_BINS == 1
  219. endif # NUM_BINS == 0
  220. ifdef BIN
  221. # Create $(BIN) directory if it doesn't exist yet
  222. #
  223. ifeq ($(wildcard $(BIN)),)
  224. $(shell $(MKDIR) -p $(BIN))
  225. endif
  226. # Target to allow e.g. "make bin-efi arch"
  227. #
  228. $(BIN) :
  229. @# Do nothing, silently
  230. .PHONY : $(BIN)
  231. # Remove everything in $(BIN) for a "make clean"
  232. #
  233. CLEANUP += $(BIN)/*.* # Avoid picking up directories
  234. endif # defined(BIN)
  235. # Determine whether or not we need to include the dependency files
  236. #
  237. NO_DEP_TARGETS := $(BIN) clean veryclean
  238. ifeq ($(MAKECMDGOALS),)
  239. NEED_DEPS := 1
  240. endif
  241. ifneq ($(strip $(filter-out $(NO_DEP_TARGETS),$(MAKECMDGOALS))),)
  242. NEED_DEPS := 1
  243. endif
  244. ###############################################################################
  245. #
  246. # Select build architecture and platform based on $(BIN)
  247. #
  248. # BIN has the form bin[-[arch-]platform]
  249. ARCHS := $(patsubst arch/%,%,$(wildcard arch/*))
  250. PLATFORMS := $(patsubst config/defaults/%.h,%,\
  251. $(wildcard config/defaults/*.h))
  252. archs :
  253. @$(ECHO) $(ARCHS)
  254. platforms :
  255. @$(ECHO) $(PLATFORMS)
  256. ifdef BIN
  257. # Determine architecture portion of $(BIN), if present
  258. BIN_ARCH := $(strip $(foreach A,$(ARCHS),\
  259. $(patsubst bin-$(A)-%,$(A),\
  260. $(filter bin-$(A)-%,$(BIN)))))
  261. # Determine platform portion of $(BIN), if present
  262. ifeq ($(BIN_ARCH),)
  263. BIN_PLATFORM := $(patsubst bin-%,%,$(filter bin-%,$(BIN)))
  264. else
  265. BIN_PLATFORM := $(patsubst bin-$(BIN_ARCH)-%,%,$(BIN))
  266. endif
  267. # Determine build architecture
  268. DEFAULT_ARCH := i386
  269. ARCH := $(firstword $(BIN_ARCH) $(DEFAULT_ARCH))
  270. CFLAGS += -DARCH=$(ARCH)
  271. arch :
  272. @$(ECHO) $(ARCH)
  273. .PHONY : arch
  274. # Determine build platform
  275. DEFAULT_PLATFORM := pcbios
  276. PLATFORM := $(firstword $(BIN_PLATFORM) $(DEFAULT_PLATFORM))
  277. CFLAGS += -DPLATFORM=$(PLATFORM)
  278. platform :
  279. @$(ECHO) $(PLATFORM)
  280. endif # defined(BIN)
  281. # Include architecture-specific Makefile
  282. ifdef ARCH
  283. MAKEDEPS += arch/$(ARCH)/Makefile
  284. include arch/$(ARCH)/Makefile
  285. endif
  286. # Include architecture-specific include path
  287. ifdef ARCH
  288. INCDIRS += arch/$(ARCH)/include
  289. INCDIRS += arch/$(ARCH)/include/$(PLATFORM)
  290. endif
  291. ###############################################################################
  292. #
  293. # Source file handling
  294. # SRCDIRS lists all directories containing source files.
  295. srcdirs :
  296. @$(ECHO) $(SRCDIRS)
  297. # SRCS lists all .c or .S files found in any SRCDIR
  298. #
  299. SRCS += $(wildcard $(patsubst %,%/*.c,$(SRCDIRS)))
  300. SRCS += $(wildcard $(patsubst %,%/*.S,$(SRCDIRS)))
  301. srcs :
  302. @$(ECHO) $(SRCS)
  303. # AUTO_SRCS lists all files in SRCS that are not mentioned in
  304. # NON_AUTO_SRCS. Files should be added to NON_AUTO_SRCS if they
  305. # cannot be built using the standard build template.
  306. #
  307. AUTO_SRCS = $(filter-out $(NON_AUTO_SRCS),$(SRCS))
  308. autosrcs :
  309. @$(ECHO) $(AUTO_SRCS)
  310. # Just about everything else in this section depends upon having
  311. # $(BIN) set
  312. ifdef BIN
  313. # INCDIRS lists the include path
  314. incdirs :
  315. @$(ECHO) $(INCDIRS)
  316. # Common flags
  317. #
  318. CFLAGS += $(foreach INC,$(INCDIRS),-I$(INC))
  319. CFLAGS += -Os
  320. CFLAGS += -g
  321. ifeq ($(CCTYPE),gcc)
  322. CFLAGS += -ffreestanding
  323. CFLAGS += -Wall -W -Wformat-nonliteral
  324. HOST_CFLAGS += -Wall -W -Wformat-nonliteral
  325. endif
  326. ifeq ($(CCTYPE),icc)
  327. CFLAGS += -fno-builtin
  328. CFLAGS += -no-ip
  329. CFLAGS += -no-gcc
  330. CFLAGS += -diag-disable 111 # Unreachable code
  331. CFLAGS += -diag-disable 128 # Unreachable loop
  332. CFLAGS += -diag-disable 170 # Array boundary checks
  333. CFLAGS += -diag-disable 177 # Unused functions
  334. CFLAGS += -diag-disable 181 # printf() format checks
  335. CFLAGS += -diag-disable 188 # enum strictness
  336. CFLAGS += -diag-disable 193 # Undefined preprocessor identifiers
  337. CFLAGS += -diag-disable 280 # switch ( constant )
  338. CFLAGS += -diag-disable 310 # K&R parameter lists
  339. CFLAGS += -diag-disable 424 # Extra semicolon
  340. CFLAGS += -diag-disable 589 # Declarations mid-code
  341. CFLAGS += -diag-disable 593 # Unused variables
  342. CFLAGS += -diag-disable 810 # Casting ints to smaller ints
  343. CFLAGS += -diag-disable 981 # Sequence point violations
  344. CFLAGS += -diag-disable 1292 # Ignored attributes
  345. CFLAGS += -diag-disable 1338 # void pointer arithmetic
  346. CFLAGS += -diag-disable 1361 # Variable-length arrays
  347. CFLAGS += -diag-disable 1418 # Missing prototypes
  348. CFLAGS += -diag-disable 1419 # Missing prototypes
  349. CFLAGS += -diag-disable 1599 # Hidden variables
  350. CFLAGS += -Wall -Wmissing-declarations
  351. endif
  352. CFLAGS += $(WORKAROUND_CFLAGS) $(EXTRA_CFLAGS)
  353. ASFLAGS += $(WORKAROUND_ASFLAGS) $(EXTRA_ASFLAGS)
  354. LDFLAGS += $(WORKAROUND_LDFLAGS) $(EXTRA_LDFLAGS)
  355. HOST_CFLAGS += -O2 -g
  356. # Inhibit -Werror if NO_WERROR is specified on make command line
  357. #
  358. ifneq ($(NO_WERROR),1)
  359. CFLAGS += -Werror
  360. ASFLAGS += --fatal-warnings
  361. HOST_CFLAGS += -Werror
  362. endif
  363. # Function trace recorder state in the last build. This is needed
  364. # in order to correctly rebuild whenever the function recorder is
  365. # enabled/disabled.
  366. #
  367. FNREC_STATE := $(BIN)/.fnrec.state
  368. ifeq ($(wildcard $(FNREC_STATE)),)
  369. FNREC_OLD := <invalid>
  370. else
  371. FNREC_OLD := $(shell cat $(FNREC_STATE))
  372. endif
  373. ifeq ($(FNREC_OLD),$(FNREC))
  374. $(FNREC_STATE) :
  375. else
  376. $(FNREC_STATE) : clean
  377. $(shell $(ECHO) "$(FNREC)" > $(FNREC_STATE))
  378. endif
  379. VERYCLEANUP += $(FNREC_STATE)
  380. MAKEDEPS += $(FNREC_STATE)
  381. ifeq ($(FNREC),1)
  382. # Enabling -finstrument-functions affects gcc's analysis and leads to spurious
  383. # warnings about use of uninitialised variables.
  384. #
  385. CFLAGS += -Wno-uninitialized
  386. CFLAGS += -finstrument-functions
  387. CFLAGS += -finstrument-functions-exclude-file-list=core/fnrec.c
  388. endif
  389. # Enable per-item sections and section garbage collection. Note that
  390. # some older versions of gcc support -fdata-sections but treat it as
  391. # implying -fno-common, which would break our build. Some other older
  392. # versions issue a spurious and uninhibitable warning if
  393. # -ffunction-sections is used with -g, which would also break our
  394. # build since we use -Werror.
  395. #
  396. ifeq ($(CCTYPE),gcc)
  397. DS_TEST = $(ECHO) 'char x;' | \
  398. $(CC) -fdata-sections -S -x c - -o - 2>/dev/null | \
  399. grep -E '\.comm' > /dev/null
  400. DS_FLAGS := $(shell $(DS_TEST) && $(ECHO) '-fdata-sections')
  401. FS_TEST = $(CC) -ffunction-sections -g -c -x c /dev/null \
  402. -o /dev/null 2>/dev/null
  403. FS_FLAGS := $(shell $(FS_TEST) && $(ECHO) '-ffunction-sections')
  404. CFLAGS += $(FS_FLAGS) $(DS_FLAGS)
  405. endif
  406. LDFLAGS += --gc-sections
  407. # compiler.h is needed for our linking and debugging system
  408. #
  409. CFLAGS += -include compiler.h
  410. # CFLAGS for specific object types
  411. #
  412. CFLAGS_c +=
  413. CFLAGS_S += -DASSEMBLY
  414. # Base object name of the current target
  415. #
  416. OBJECT = $(firstword $(subst ., ,$(@F)))
  417. # CFLAGS for specific object files. You can define
  418. # e.g. CFLAGS_rtl8139, and have those flags automatically used when
  419. # compiling bin/rtl8139.o.
  420. #
  421. OBJ_CFLAGS = $(CFLAGS_$(OBJECT)) -DOBJECT=$(subst -,_,$(OBJECT))
  422. $(BIN)/%.flags :
  423. @$(ECHO) $(OBJ_CFLAGS)
  424. # ICC requires postprocessing objects to fix up table alignments
  425. #
  426. ifeq ($(CCTYPE),icc)
  427. POST_O = && $(ICCFIX) $@
  428. POST_O_DEPS := $(ICCFIX)
  429. else
  430. POST_O :=
  431. POST_O_DEPS :=
  432. endif
  433. # Rules for specific object types.
  434. #
  435. COMPILE_c = $(CC) $(CFLAGS) $(CFLAGS_c) $(OBJ_CFLAGS)
  436. RULE_c = $(Q)$(COMPILE_c) -c $< -o $@ $(POST_O)
  437. RULE_c_to_dbg%.o = $(Q)$(COMPILE_c) -Ddebug_$(subst -,_,$(OBJECT))=$* -c $< -o $@ $(POST_O)
  438. RULE_c_to_c = $(Q)$(COMPILE_c) -E -c $< > $@
  439. RULE_c_to_s = $(Q)$(COMPILE_c) -S -g0 -c $< -o $@
  440. PREPROCESS_S = $(CPP) $(CFLAGS) $(CFLAGS_S) $(OBJ_CFLAGS)
  441. ASSEMBLE_S = $(AS) $(ASFLAGS)
  442. RULE_S = $(Q)$(PREPROCESS_S) $< | $(ASSEMBLE_S) -o $@
  443. RULE_S_to_dbg%.o = $(Q)$(PREPROCESS_S) -Ddebug_$(subst -,_,$(OBJECT))=$* $< | $(ASSEMBLE_S) -o $@
  444. RULE_S_to_s = $(Q)$(PREPROCESS_S) $< > $@
  445. DEBUG_TARGETS += dbg%.o c s
  446. # List of embedded images included in the last build of embedded.o.
  447. # This is needed in order to correctly rebuild embedded.o whenever the
  448. # list of objects changes.
  449. #
  450. EMBED := $(EMBEDDED_IMAGE) # Maintain backwards compatibility
  451. EMBEDDED_LIST := $(BIN)/.embedded.list
  452. ifeq ($(wildcard $(EMBEDDED_LIST)),)
  453. EMBED_OLD := <invalid>
  454. else
  455. EMBED_OLD := $(shell cat $(EMBEDDED_LIST))
  456. endif
  457. ifneq ($(EMBED_OLD),$(EMBED))
  458. $(shell $(ECHO) "$(EMBED)" > $(EMBEDDED_LIST))
  459. endif
  460. $(EMBEDDED_LIST) :
  461. VERYCLEANUP += $(EMBEDDED_LIST)
  462. EMBEDDED_FILES := $(subst $(COMMA), ,$(EMBED))
  463. EMBED_ALL := $(foreach i,$(call seq,1,$(words $(EMBEDDED_FILES))),\
  464. EMBED ( $(i), \"$(word $(i), $(EMBEDDED_FILES))\",\
  465. \"$(notdir $(word $(i),$(EMBEDDED_FILES)))\" ))
  466. embedded_DEPS += $(EMBEDDED_FILES) $(EMBEDDED_LIST)
  467. CFLAGS_embedded = -DEMBED_ALL="$(EMBED_ALL)"
  468. # List of trusted root certificates
  469. #
  470. TRUSTED_LIST := $(BIN)/.trusted.list
  471. ifeq ($(wildcard $(TRUSTED_LIST)),)
  472. TRUST_OLD := <invalid>
  473. else
  474. TRUST_OLD := $(shell cat $(TRUSTED_LIST))
  475. endif
  476. ifneq ($(TRUST_OLD),$(TRUST))
  477. $(shell $(ECHO) "$(TRUST)" > $(TRUSTED_LIST))
  478. endif
  479. $(TRUSTED_LIST) :
  480. VERYCLEANUP += $(TRUSTED_LIST)
  481. # Trusted root certificate fingerprints
  482. #
  483. TRUSTED_CERTS := $(subst $(COMMA), ,$(TRUST))
  484. TRUSTED_FPS := $(foreach CERT,$(TRUSTED_CERTS),\
  485. 0x$(subst :,$(COMMA) 0x,$(lastword $(subst =, ,\
  486. $(shell $(OPENSSL) x509 -in $(CERT) -noout -sha256 \
  487. -fingerprint))))$(COMMA))
  488. rootcert_DEPS += $(TRUSTED_FILES) $(TRUSTED_LIST)
  489. CFLAGS_rootcert = $(if $(TRUSTED_FPS),-DTRUSTED="$(TRUSTED_FPS)")
  490. # (Single-element) list of client certificates
  491. #
  492. CERT_LIST := $(BIN)/.certificate.list
  493. ifeq ($(wildcard $(CERT_LIST)),)
  494. CERT_OLD := <invalid>
  495. else
  496. CERT_OLD := $(shell cat $(CERT_LIST))
  497. endif
  498. ifneq ($(CERT_OLD),$(CERT))
  499. $(shell $(ECHO) "$(CERT)" > $(CERT_LIST))
  500. endif
  501. $(CERT_LIST) :
  502. VERYCLEANUP += $(CERT_LIST)
  503. # Embedded client certificate
  504. #
  505. CERT_INC := $(BIN)/.certificate.der
  506. ifdef CERT
  507. $(CERT_INC) : $(CERT) $(CERT_LIST)
  508. $(Q)$(OPENSSL) x509 -in $< -outform DER -out $@
  509. clientcert_DEPS += $(CERT_INC)
  510. endif
  511. CLEANUP += $(CERT_INC)
  512. clientcert_DEPS += $(CERT_LIST)
  513. CFLAGS_clientcert += $(if $(CERT),-DCERTIFICATE="\"$(CERT_INC)\"")
  514. # (Single-element) list of client private keys
  515. #
  516. ifdef KEY
  517. PRIVKEY := $(KEY) # Maintain backwards compatibility
  518. endif
  519. PRIVKEY_LIST := $(BIN)/.private_key.list
  520. ifeq ($(wildcard $(PRIVKEY_LIST)),)
  521. PRIVKEY_OLD := <invalid>
  522. else
  523. PRIVKEY_OLD := $(shell cat $(PRIVKEY_LIST))
  524. endif
  525. ifneq ($(PRIVKEY_OLD),$(PRIVKEY))
  526. $(shell $(ECHO) "$(PRIVKEY)" > $(PRIVKEY_LIST))
  527. endif
  528. $(PRIVKEY_LIST) :
  529. VERYCLEANUP += $(PRIVKEY_LIST)
  530. # Embedded client private key
  531. #
  532. PRIVKEY_INC := $(BIN)/.private_key.der
  533. ifdef PRIVKEY
  534. $(PRIVKEY_INC) : $(PRIVKEY) $(PRIVKEY_LIST)
  535. $(Q)$(OPENSSL) rsa -in $< -outform DER -out $@
  536. clientcert_DEPS += $(PRIVKEY_INC)
  537. endif
  538. CLEANUP += $(PRIVKEY_INC)
  539. clientcert_DEPS += $(PRIVKEY_LIST)
  540. CFLAGS_clientcert += $(if $(PRIVKEY),-DPRIVATE_KEY="\"$(PRIVKEY_INC)\"")
  541. # These files use .incbin inline assembly to include a binary file.
  542. # Unfortunately ccache does not detect this dependency and caches
  543. # builds even when the binary file has changed.
  544. #
  545. $(BIN)/embedded.o : override CC := env CCACHE_DISABLE=1 $(CC)
  546. $(BIN)/clientcert.o : override CC := env CCACHE_DISABLE=1 $(CC)
  547. # We automatically generate rules for any file mentioned in AUTO_SRCS
  548. # using the following set of templates. It would be cleaner to use
  549. # $(eval ...), but this function exists only in GNU make >= 3.80.
  550. # deps_template : generate dependency list for a given source file
  551. #
  552. # $(1) is the full path to the source file (e.g. "drivers/net/rtl8139.c")
  553. # $(2) is the source type (e.g. "c")
  554. # $(3) is the source base name (e.g. "rtl8139")
  555. #
  556. define deps_template
  557. @$(ECHO) " [DEPS] $(1)"
  558. @$(MKDIR) -p $(BIN)/deps/$(dir $(1))
  559. $(Q)$(CPP) $(CFLAGS) $(CFLAGS_$(2)) $(CFLAGS_$(3)) -DOBJECT=$(3) \
  560. -Wno-error -M $(1) -MG -MP | \
  561. sed 's/\.o\s*:/_DEPS +=/' > $(BIN)/deps/$(1).d
  562. endef
  563. # rules_template : generate rules for a given source file
  564. #
  565. # $(1) is the full path to the source file (e.g. "drivers/net/rtl8139.c")
  566. # $(2) is the source type (e.g. "c")
  567. # $(3) is the source base name (e.g. "rtl8139")
  568. #
  569. define rules_template
  570. @$(ECHO) " [RULES] $(1)"
  571. @$(MKDIR) -p $(BIN)/rules/$(dir $(1))
  572. @$(ECHO_E) '\n$$(BIN)/$(3).o :' \
  573. '$(1) $$(MAKEDEPS) $$(POST_O_DEPS) $$($(3)_DEPS)' \
  574. '\n\t$$(QM)$(ECHO) " [BUILD] $$@"' \
  575. '\n\t$$(RULE_$(2))\n' \
  576. '\nBOBJS += $$(BIN)/$(3).o\n' \
  577. $(foreach TGT,$(DEBUG_TARGETS), \
  578. $(if $(RULE_$(2)_to_$(TGT)), \
  579. '\n$$(BIN)/$(3).$(TGT) :' \
  580. '$(1) $$(MAKEDEPS) $$(POST_O_DEPS) $$($(3)_DEPS)' \
  581. '\n\t$$(QM)$(ECHO) " [BUILD] $$@"' \
  582. '\n\t$$(RULE_$(2)_to_$(TGT))\n' \
  583. '\n$(TGT)_OBJS += $$(BIN)/$(3).$(TGT)\n' ) ) \
  584. '\n$(BIN)/deps/$(1).d : $$($(3)_DEPS)\n' \
  585. '\nTAGS : $$($(3)_DEPS)\n' > $(BIN)/rules/$(1).r
  586. @$(if $(findstring drivers/,$(1)),\
  587. $(PERL) $(PARSEROM) $(1) >> $(BIN)/rules/$(1).r)
  588. endef
  589. # Rule to generate the dependency list file
  590. #
  591. $(BIN)/deps/%.d : % $(MAKEDEPS)
  592. $(call deps_template,$<,$(subst .,,$(suffix $<)),$(basename $(notdir $<)))
  593. # Calculate and include the list of dependency list files
  594. #
  595. AUTO_DEPS = $(patsubst %,$(BIN)/deps/%.d,$(AUTO_SRCS))
  596. ifdef NEED_DEPS
  597. ifneq ($(AUTO_DEPS),)
  598. -include $(AUTO_DEPS)
  599. endif
  600. endif
  601. autodeps :
  602. @$(ECHO) $(AUTO_DEPS)
  603. VERYCLEANUP += $(BIN)/deps
  604. # Rule to generate the rules file
  605. #
  606. $(BIN)/rules/%.r : % $(MAKEDEPS) $(PARSEROM)
  607. $(call rules_template,$<,$(subst .,,$(suffix $<)),$(basename $(notdir $<)))
  608. # Calculate and include the list of rules files
  609. #
  610. AUTO_RULES = $(patsubst %,$(BIN)/rules/%.r,$(AUTO_SRCS))
  611. ifdef NEED_DEPS
  612. ifneq ($(AUTO_RULES),)
  613. -include $(AUTO_RULES)
  614. endif
  615. endif
  616. autorules :
  617. @$(ECHO) $(AUTO_RULES)
  618. VERYCLEANUP += $(BIN)/rules
  619. # The following variables are created by the rules files
  620. #
  621. bobjs :
  622. @$(ECHO) $(BOBJS)
  623. drivers :
  624. @$(ECHO) $(DRIVERS)
  625. .PHONY : drivers
  626. roms :
  627. @$(ECHO) $(ROMS)
  628. # Generate error usage information
  629. #
  630. $(BIN)/%.einfo : $(BIN)/%.o
  631. $(QM)$(ECHO) " [EINFO] $@"
  632. $(Q)$(OBJCOPY) -O binary -j .einfo --set-section-flags .einfo=alloc \
  633. $< $@
  634. EINFOS := $(patsubst $(BIN)/%.o,$(BIN)/%.einfo,$(BOBJS))
  635. $(BIN)/errors : $(EINFOS) $(EINFO)
  636. $(QM)$(ECHO) " [EINFO] $@"
  637. $(Q)$(EINFO) $(EINFOS) | sort > $@
  638. CLEANUP += $(BIN)/errors # Doesn't match the $(BIN)/*.* pattern
  639. # Generate the NIC file from the parsed source files. The NIC file is
  640. # only for rom-o-matic.
  641. #
  642. $(BIN)/NIC : $(AUTO_DEPS)
  643. @$(ECHO) '# This is an automatically generated file, do not edit' > $@
  644. @$(ECHO) '# It does not affect anything in the build, ' \
  645. 'it is only for rom-o-matic' >> $@
  646. @$(ECHO) >> $@
  647. @perl -ne 'chomp; print "$$1\n" if /\# NIC\t(.*)$$/' $^ >> $@
  648. CLEANUP += $(BIN)/NIC # Doesn't match the $(BIN)/*.* pattern
  649. # Analyse a target name (e.g. "bin/dfe538--prism2_pci.zrom.tmp") and
  650. # derive the variables:
  651. #
  652. # TGT_ELEMENTS : the elements of the target (e.g. "dfe538 prism2_pci")
  653. # TGT_PREFIX : the prefix type (e.g. "zrom")
  654. # TGT_DRIVERS : the driver for each element (e.g. "rtl8139 prism2_pci")
  655. # TGT_ROM_NAME : the ROM name (e.g. "dfe538")
  656. # TGT_MEDIA : the media type (e.g. "rom")
  657. #
  658. DRIVERS_ipxe = $(DRIVERS)
  659. CARD_DRIVER = $(firstword $(DRIVER_$(1)) $(1))
  660. TGT_ELEMENTS = $(subst --, ,$(firstword $(subst ., ,$(notdir $@))))
  661. TGT_PREFIX = $(word 2,$(subst ., ,$(notdir $@)))
  662. TGT_ROM_NAME = $(firstword $(TGT_ELEMENTS))
  663. TGT_DRIVERS = $(strip $(if $(DRIVERS_$(TGT_ROM_NAME)), \
  664. $(DRIVERS_$(TGT_ROM_NAME)), \
  665. $(foreach TGT_ELEMENT,$(TGT_ELEMENTS), \
  666. $(call CARD_DRIVER,$(TGT_ELEMENT))) ))
  667. TGT_MEDIA = $(subst z,,$(TGT_PREFIX))
  668. # Look up ROM IDs for the current target
  669. # (e.g. "bin/dfe538--prism2_pci.zrom.tmp") and derive the variables:
  670. #
  671. # TGT_PCI_VENDOR : the PCI vendor ID (e.g. "0x1186")
  672. # TGT_PCI_DEVICE : the PCI device ID (e.g. "0x1300")
  673. #
  674. TGT_PCI_VENDOR = $(PCI_VENDOR_$(TGT_ROM_NAME))
  675. TGT_PCI_DEVICE = $(PCI_DEVICE_$(TGT_ROM_NAME))
  676. # Calculate link-time options for the current target
  677. # (e.g. "bin/dfe538--prism2_pci.zrom.tmp") and derive the variables:
  678. #
  679. # TGT_LD_DRIVERS : symbols to require in order to drag in the relevant drivers
  680. # (e.g. "obj_rtl8139 obj_prism2_pci")
  681. # TGT_LD_IDS : symbols to define in order to fill in ID structures in the
  682. # ROM header (e.g."pci_vendor_id=0x1186 pci_device_id=0x1300")
  683. #
  684. TGT_LD_DRIVERS = $(subst -,_,$(patsubst %,obj_%,$(TGT_DRIVERS)))
  685. TGT_LD_IDS = pci_vendor_id=$(firstword $(TGT_PCI_VENDOR) 0) \
  686. pci_device_id=$(firstword $(TGT_PCI_DEVICE) 0)
  687. TGT_LD_ENTRY = _$(TGT_PREFIX)_start
  688. # Calculate linker flags based on link-time options for the current
  689. # target type (e.g. "bin/dfe538--prism2_pci.zrom.tmp") and derive the
  690. # variables:
  691. #
  692. # TGT_LD_FLAGS : target-specific flags to pass to linker (e.g.
  693. # "-u obj_zpciprefix -u obj_rtl8139 -u obj_prism2_pci
  694. # --defsym pci_vendor=0x1186 --defsym pci_device=0x1300")
  695. #
  696. TGT_LD_FLAGS = $(foreach SYM,$(TGT_LD_ENTRY) $(TGT_LD_DRIVERS) obj_config,\
  697. -u $(SYM) --defsym check_$(SYM)=$(SYM) ) \
  698. $(patsubst %,--defsym %,$(TGT_LD_IDS)) \
  699. -e $(TGT_LD_ENTRY)
  700. # Calculate list of debugging versions of objects to be included in
  701. # the target.
  702. #
  703. DEBUG_LIST = $(subst $(COMMA), ,$(DEBUG))
  704. DEBUG_OBJ_LEVEL = $(firstword $(word 2,$(subst :, ,$(1))) 1)
  705. DEBUG_OBJ_BASE = $(word 1,$(subst :, ,$(1))).dbg$(call DEBUG_OBJ_LEVEL,$(1))
  706. DEBUG_OBJ = $(BIN)/$(call DEBUG_OBJ_BASE,$(1)).o
  707. DEBUG_ORIG_OBJ = $(BIN)/$(word 1,$(subst :, ,$(1))).o
  708. DEBUG_OBJS = $(foreach D,$(DEBUG_LIST),$(call DEBUG_OBJ,$(D)))
  709. DEBUG_ORIG_OBJS = $(foreach D,$(DEBUG_LIST),$(call DEBUG_ORIG_OBJ,$(D)))
  710. BLIB_OBJS = $(DEBUG_OBJS) $(filter-out $(DEBUG_ORIG_OBJS),$(BOBJS))
  711. # Print out all derived information for a given target.
  712. #
  713. $(BIN)/%.info :
  714. @$(ECHO) 'Elements : $(TGT_ELEMENTS)'
  715. @$(ECHO) 'Prefix : $(TGT_PREFIX)'
  716. @$(ECHO) 'Drivers : $(TGT_DRIVERS)'
  717. @$(ECHO) 'ROM name : $(TGT_ROM_NAME)'
  718. @$(ECHO) 'Media : $(TGT_MEDIA)'
  719. @$(ECHO)
  720. @$(ECHO) 'PCI vendor : $(TGT_PCI_VENDOR)'
  721. @$(ECHO) 'PCI device : $(TGT_PCI_DEVICE)'
  722. @$(ECHO)
  723. @$(ECHO) 'LD driver symbols : $(TGT_LD_DRIVERS)'
  724. @$(ECHO) 'LD ID symbols : $(TGT_LD_IDS)'
  725. @$(ECHO) 'LD entry point : $(TGT_LD_ENTRY)'
  726. @$(ECHO)
  727. @$(ECHO) 'LD target flags : $(TGT_LD_FLAGS)'
  728. @$(ECHO)
  729. @$(ECHO) 'Debugging objects : $(DEBUG_OBJS)'
  730. @$(ECHO) 'Replaced objects : $(DEBUG_ORIG_OBJS)'
  731. # List of objects included in the last build of blib. This is needed
  732. # in order to correctly rebuild blib whenever the list of objects
  733. # changes.
  734. #
  735. BLIB_LIST := $(BIN)/.blib.list
  736. ifeq ($(wildcard $(BLIB_LIST)),)
  737. BLIB_OBJS_OLD := <invalid>
  738. else
  739. BLIB_OBJS_OLD := $(shell cat $(BLIB_LIST))
  740. endif
  741. ifneq ($(BLIB_OBJS_OLD),$(BLIB_OBJS))
  742. $(shell $(ECHO) "$(BLIB_OBJS)" > $(BLIB_LIST))
  743. endif
  744. $(BLIB_LIST) :
  745. VERYCLEANUP += $(BLIB_LIST)
  746. # Library of all objects
  747. #
  748. BLIB = $(BIN)/blib.a
  749. $(BLIB) : $(BLIB_OBJS) $(BLIB_LIST) $(MAKEDEPS)
  750. $(Q)$(RM) $(BLIB)
  751. $(QM)$(ECHO) " [AR] $@"
  752. $(Q)$(AR) r $@ $(BLIB_OBJS)
  753. $(Q)$(RANLIB) $@
  754. blib : $(BLIB)
  755. # Command to generate build ID. Must be unique for each $(BIN)/%.tmp,
  756. # even within the same build run.
  757. #
  758. BUILD_ID_CMD := perl -e 'printf "0x%08x", int ( rand ( 0xffffffff ) );'
  759. # Build an intermediate object file from the objects required for the
  760. # specified target.
  761. #
  762. $(BIN)/%.tmp : $(BLIB) $(MAKEDEPS) $(LDSCRIPT)
  763. $(QM)$(ECHO) " [LD] $@"
  764. $(Q)$(LD) $(LDFLAGS) -T $(LDSCRIPT) $(TGT_LD_FLAGS) $(BLIB) -o $@ \
  765. --defsym _build_id=`$(BUILD_ID_CMD)` -Map $(BIN)/$*.tmp.map
  766. $(Q)$(OBJDUMP) -ht $@ | $(PERL) $(SORTOBJDUMP) >> $(BIN)/$*.tmp.map
  767. # Keep intermediate object file (useful for debugging)
  768. .PRECIOUS : $(BIN)/%.tmp
  769. # Show a linker map for the specified target
  770. #
  771. $(BIN)/%.map : $(BIN)/%.tmp
  772. @less $(BIN)/$*.tmp.map
  773. # Get objects list for the specified target
  774. #
  775. define objs_list
  776. $(sort $(foreach OBJ_SYMBOL,\
  777. $(filter obj_%,$(shell $(NM) $(1) | cut -d" " -f3)),\
  778. $(patsubst obj_%,%,$(OBJ_SYMBOL))))
  779. endef
  780. $(BIN)/%.objs : $(BIN)/%.tmp
  781. $(Q)$(ECHO) $(call objs_list,$<)
  782. $(BIN)/%.sizes : $(BIN)/%.tmp
  783. $(Q)$(SIZE) -t $(foreach OBJ,$(call objs_list,$<),$(wildcard $(BIN)/$(subst _,?,$(OBJ)).o)) | \
  784. sort -g
  785. # Get dependency list for the specified target
  786. #
  787. define deps_list
  788. $(sort $(foreach OBJ,$(call objs_list,$(1)),$($(OBJ)_DEPS)))
  789. endef
  790. $(BIN)/%.deps : $(BIN)/%.tmp
  791. $(Q)$(ECHO) $(call deps_list,$<)
  792. # Get unneeded source files for the specified target
  793. #
  794. define nodeps_list
  795. $(sort $(filter-out $(call deps_list,$(1)),\
  796. $(foreach BOBJ,$(BOBJS),\
  797. $($(basename $(notdir $(BOBJ)))_DEPS))))
  798. endef
  799. $(BIN)/%.nodeps : $(BIN)/%.tmp
  800. $(Q)$(ECHO) $(call nodeps_list,$<)
  801. # Get licensing verdict for the specified target
  802. #
  803. define licensable_deps_list
  804. $(filter-out config/local/%.h,$(call deps_list,$(1)))
  805. endef
  806. define unlicensed_deps_list
  807. $(shell grep -L FILE_LICENCE $(call licensable_deps_list,$(1)))
  808. endef
  809. define licence_list
  810. $(patsubst __licence_%,%,\
  811. $(filter __licence_%,$(shell $(NM) $(1) | cut -d" " -f3)))
  812. endef
  813. $(BIN)/%.licence : $(BIN)/%.tmp
  814. $(QM)$(ECHO) " [LICENCE] $@"
  815. $(Q)$(if $(strip $(call unlicensed_deps_list,$<)),\
  816. echo -n "Unable to determine licence because the following " ;\
  817. echo "files are missing a licence declaration:" ;\
  818. echo $(call unlicensed_deps_list,$<);\
  819. exit 1,\
  820. $(PERL) $(LICENCE) $(call licence_list,$<))
  821. # Extract compression information from intermediate object file
  822. #
  823. $(BIN)/%.zinfo : $(BIN)/%.tmp
  824. $(QM)$(ECHO) " [ZINFO] $@"
  825. $(Q)$(OBJCOPY) -O binary -j .zinfo $< $@
  826. # Build raw binary file from intermediate object file
  827. #
  828. $(BIN)/%.bin : $(BIN)/%.tmp
  829. $(QM)$(ECHO) " [BIN] $@"
  830. $(Q)$(OBJCOPY) -O binary -R .zinfo $< $@
  831. # Compress raw binary file
  832. #
  833. $(BIN)/%.zbin : $(BIN)/%.bin $(BIN)/%.zinfo $(ZBIN)
  834. $(QM)$(ECHO) " [ZBIN] $@"
  835. $(Q)$(ZBIN) $(BIN)/$*.bin $(BIN)/$*.zinfo > $@
  836. # Rules for each media format. These are generated and placed in an
  837. # external Makefile fragment. We could do this via $(eval ...), but
  838. # that would require make >= 3.80.
  839. #
  840. # Note that there's an alternative way to generate most .rom images:
  841. # they can be copied from their 'master' ROM image using cp and
  842. # reprocessed with makerom to add the PCI IDs and ident string. The
  843. # relevant rule would look something like:
  844. #
  845. # $(BIN)/dfe538%rom : $(BIN)/rtl8139%rom
  846. # cat $< $@
  847. # $(FINALISE_rom)
  848. #
  849. # You can derive the ROM/driver relationships using the variables
  850. # DRIVER_<rom> and/or ROMS_<driver>.
  851. #
  852. # We don't currently do this, because (a) it would require generating
  853. # yet more Makefile fragments (since you need a rule for each ROM in
  854. # ROMS), and (b) the linker is so fast that it probably wouldn't make
  855. # much difference to the overall build time.
  856. # Add NON_AUTO_MEDIA to the media list, so that they show up in the
  857. # output of "make"
  858. #
  859. MEDIA += $(NON_AUTO_MEDIA)
  860. media :
  861. @$(ECHO) $(MEDIA)
  862. AUTO_MEDIA = $(filter-out $(NON_AUTO_MEDIA),$(MEDIA))
  863. automedia :
  864. @$(ECHO) $(AUTO_MEDIA)
  865. # media_template : create Makefile rules for specified media
  866. #
  867. # $(1) is the media name (e.g. "rom")
  868. #
  869. define media_template
  870. @$(ECHO) " [MEDIARULES] $(1)"
  871. @$(MKDIR) -p $(BIN)/rules/$(dir $(1))
  872. @$(ECHO_E) '$$(BIN)/%.$(1) : $$(BIN)/%.$(1).zbin' \
  873. '\n\t$$(QM)$(ECHO) " [FINISH] $$@"' \
  874. '\n\t$$(Q)$$(CP) $$< $$@' \
  875. '\n\t$$(Q)$$(PAD_$(1))' \
  876. '\n\t$$(Q)$$(FINALISE_$(1))' \
  877. > $(BIN)/rules/$(1).media.r
  878. endef
  879. # Rule to generate the Makefile rules to be included
  880. #
  881. $(BIN)/rules/%.media.r : $(MAKEDEPS)
  882. $(call media_template,$*)
  883. # Calculate and include the list of Makefile rules files
  884. #
  885. MEDIA_RULES = $(patsubst %,$(BIN)/rules/%.media.r,$(AUTO_MEDIA))
  886. mediarules :
  887. @$(ECHO) $(MEDIA_RULES)
  888. ifdef NEED_DEPS
  889. ifneq ($(MEDIA_RULES),)
  890. -include $(MEDIA_RULES)
  891. endif
  892. endif
  893. # Wrap up binary blobs (for embedded images)
  894. #
  895. $(BIN)/%.o : payload/%.img
  896. $(QM)echo " [WRAP] $@"
  897. $(Q)$(LD) -b binary -r -o $@ $< --undefined obj_payload \
  898. --defsym obj_$*=0
  899. BOBJS += $(patsubst payload/%.img,$(BIN)/%.o,$(wildcard payload/*.img))
  900. # The "allXXXs" targets for each suffix
  901. #
  902. allall: allroms allmroms allpxes allisos alldsks
  903. allroms allmroms : all%s : $(foreach ROM,$(ROMS),$(BIN)/$(ROM).%)
  904. allpxes allisos alldsks : all%s : $(foreach DRIVER,$(DRIVERS),$(BIN)/$(DRIVER).%)
  905. # Alias for ipxe.%
  906. #
  907. $(BIN)/etherboot.% : $(BIN)/ipxe.%
  908. ln -sf $(notdir $<) $@
  909. endif # defined(BIN)
  910. ###############################################################################
  911. #
  912. # The compression utilities
  913. #
  914. $(NRV2B) : util/nrv2b.c $(MAKEDEPS)
  915. $(QM)$(ECHO) " [HOSTCC] $@"
  916. $(Q)$(HOST_CC) $(HOST_CFLAGS) -DENCODE -DDECODE -DMAIN -DVERBOSE \
  917. -DNDEBUG -DBITSIZE=32 -DENDIAN=0 -o $@ $<
  918. CLEANUP += $(NRV2B)
  919. $(ZBIN) : util/zbin.c util/nrv2b.c $(MAKEDEPS)
  920. $(QM)$(ECHO) " [HOSTCC] $@"
  921. $(Q)$(HOST_CC) $(HOST_CFLAGS) -o $@ $<
  922. CLEANUP += $(ZBIN)
  923. ###############################################################################
  924. #
  925. # The EFI image converter
  926. #
  927. ELF2EFI_CFLAGS := -I$(BINUTILS_DIR)/include -I$(BFD_DIR)/include \
  928. -I$(ZLIB_DIR)/include -idirafter include
  929. ELF2EFI_LDFLAGS := -L$(BINUTILS_DIR)/lib -L$(BFD_DIR)/lib -L$(ZLIB_DIR)/lib \
  930. -lbfd -ldl -liberty -lz -Wl,--no-warn-search-mismatch
  931. $(ELF2EFI32) : util/elf2efi.c $(MAKEDEPS)
  932. $(QM)$(ECHO) " [HOSTCC] $@"
  933. $(Q)$(HOST_CC) $(HOST_CFLAGS) $(ELF2EFI_CFLAGS) -DEFI_TARGET_IA32 $< \
  934. $(ELF2EFI_LDFLAGS) -o $@
  935. CLEANUP += $(ELF2EFI32)
  936. $(ELF2EFI64) : util/elf2efi.c $(MAKEDEPS)
  937. $(QM)$(ECHO) " [HOSTCC] $@"
  938. $(Q)$(HOST_CC) $(HOST_CFLAGS) $(ELF2EFI_CFLAGS) -DEFI_TARGET_X64 $< \
  939. $(ELF2EFI_LDFLAGS) -o $@
  940. CLEANUP += $(ELF2EFI64)
  941. $(EFIROM) : util/efirom.c $(MAKEDEPS)
  942. $(QM)$(ECHO) " [HOSTCC] $@"
  943. $(Q)$(HOST_CC) $(HOST_CFLAGS) -idirafter include -o $@ $<
  944. CLEANUP += $(EFIROM)
  945. ###############################################################################
  946. #
  947. # The ICC fixup utility
  948. #
  949. $(ICCFIX) : util/iccfix.c $(MAKEDEPS)
  950. $(QM)$(ECHO) " [HOSTCC] $@"
  951. $(Q)$(HOST_CC) $(HOST_CFLAGS) -idirafter include -o $@ $<
  952. CLEANUP += $(ICCFIX)
  953. ###############################################################################
  954. #
  955. # The error usage information utility
  956. #
  957. $(EINFO) : util/einfo.c $(MAKEDEPS)
  958. $(QM)$(ECHO) " [HOSTCC] $@"
  959. $(Q)$(HOST_CC) $(HOST_CFLAGS) -idirafter include -o $@ $<
  960. CLEANUP += $(EINFO)
  961. ###############################################################################
  962. #
  963. # Local configs
  964. #
  965. config/local/%.h :
  966. $(Q)touch $@
  967. ###############################################################################
  968. #
  969. # Auto-incrementing build serial number. Append "bs" to your list of
  970. # build targets to get a serial number printed at the end of the
  971. # build. Enable -DBUILD_SERIAL in order to see it when the code runs.
  972. #
  973. BUILDSERIAL_H = config/.buildserial.h
  974. BUILDSERIAL_NOW = config/.buildserial.now
  975. BUILDSERIAL_NEXT = config/.buildserial.next
  976. $(BUILDSERIAL_NOW) $(BUILDSERIAL_NEXT) :
  977. $(ECHO) 1 > $@
  978. $(BUILDSERIAL_H) : $(BUILDSERIAL_NOW) $(BUILDSERIAL_NEXT)
  979. $(ECHO) '#define BUILD_SERIAL_NUM $(shell cat $<)' > $@
  980. ifeq ($(filter bs,$(MAKECMDGOALS)),bs)
  981. $(shell diff -q $(BUILDSERIAL_NOW) $(BUILDSERIAL_NEXT) > /dev/null || \
  982. cp -f $(BUILDSERIAL_NEXT) $(BUILDSERIAL_NOW))
  983. endif
  984. bs : $(BUILDSERIAL_NOW)
  985. @$(ECHO) $$(( $(shell cat $<) + 1 )) > $(BUILDSERIAL_NEXT)
  986. @$(ECHO) "Build serial number is $(shell cat $<)"
  987. ###############################################################################
  988. #
  989. # Build the TAGS file(s) for emacs
  990. #
  991. TAGS :
  992. ctags -e -R -f $@ --exclude=bin
  993. CLEANUP += TAGS
  994. ###############################################################################
  995. #
  996. # Force rebuild for any given target
  997. #
  998. %.rebuild :
  999. rm -f $*
  1000. $(Q)$(MAKE) $*
  1001. ###############################################################################
  1002. #
  1003. # Symbol table checks
  1004. #
  1005. ifdef BIN
  1006. SYMTAB = $(BIN)/symtab
  1007. $(SYMTAB) : $(BLIB)
  1008. $(OBJDUMP) -w -t $< > $@
  1009. CLEANUP += $(BIN)/symtab
  1010. symcheck : $(SYMTAB)
  1011. $(PERL) $(SYMCHECK) $<
  1012. endif # defined(BIN)
  1013. ###############################################################################
  1014. #
  1015. # Build bochs symbol table
  1016. #
  1017. ifdef BIN
  1018. $(BIN)/%.bxs : $(BIN)/%.tmp
  1019. $(NM) $< | cut -d" " -f1,3 > $@
  1020. endif # defined(BIN)
  1021. ###############################################################################
  1022. #
  1023. # Documentation
  1024. #
  1025. ifdef BIN
  1026. $(BIN)/doxygen.cfg : doxygen.cfg $(MAKEDEPS)
  1027. $(Q)$(PERL) -pe 's{\@SRCDIRS\@}{$(SRCDIRS)}; ' \
  1028. -e 's{\@INCDIRS\@}{$(filter-out .,$(INCDIRS))}; ' \
  1029. -e 's{\@BIN\@}{$(BIN)}; ' \
  1030. -e 's{\@ARCH\@}{$(ARCH)}; ' \
  1031. $< > $@
  1032. $(BIN)/doc : $(BIN)/doxygen.cfg
  1033. $(Q)$(DOXYGEN) $<
  1034. .PHONY : $(BIN)/doc
  1035. doc : $(BIN)/doc
  1036. doc-clean :
  1037. $(Q)$(RM) -r $(BIN)/doc
  1038. VERYCLEANUP += $(BIN)/doc
  1039. docview :
  1040. @[ -f $(BIN)/doc/html/index.html ] || $(MAKE) $(BIN)/doc
  1041. @if [ -n "$$BROWSER" ] ; then \
  1042. ( $$BROWSER $(BIN)/doc/html/index.html & ) ; \
  1043. else \
  1044. $(ECHO) "Documentation index in $(BIN)/doc/html/index.html" ; \
  1045. fi
  1046. endif # defined(BIN)
  1047. ###############################################################################
  1048. #
  1049. # Keyboard maps
  1050. #
  1051. hci/keymap/keymap_%.c :
  1052. $(Q)$(PERL) $(GENKEYMAP) $* > $@
  1053. ###############################################################################
  1054. #
  1055. # Force deletion of incomplete targets
  1056. #
  1057. .DELETE_ON_ERROR :
  1058. ###############################################################################
  1059. #
  1060. # Clean-up
  1061. #
  1062. clean :
  1063. $(RM) $(CLEANUP)
  1064. veryclean : clean
  1065. $(RM) -r $(VERYCLEANUP)