1 # -*- makefile -*- : Force emacs to use Makefile mode
3 # This file contains various boring housekeeping functions that would
4 # otherwise seriously clutter up the main Makefile.
6 ###############################################################################
8 # Find a usable "echo -e" substitute.
10 TAB := $(shell $(PRINTF) '\t')
11 ECHO_E_ECHO := $(ECHO)
12 ECHO_E_ECHO_E := $(ECHO) -e
13 ECHO_E_BIN_ECHO := /bin/echo
14 ECHO_E_BIN_ECHO_E := /bin/echo -e
15 ECHO_E_ECHO_TAB := $(shell $(ECHO_E_ECHO) '\t' | cat)
16 ECHO_E_ECHO_E_TAB := $(shell $(ECHO_E_ECHO_E) '\t' | cat)
17 ECHO_E_BIN_ECHO_TAB := $(shell $(ECHO_E_BIN_ECHO) '\t')
18 ECHO_E_BIN_ECHO_E_TAB := $(shell $(ECHO_E_BIN_ECHO_E) '\t')
20 ifeq ($(ECHO_E_ECHO_TAB),$(TAB))
21 ECHO_E := $(ECHO_E_ECHO)
23 ifeq ($(ECHO_E_ECHO_E_TAB),$(TAB))
24 ECHO_E := $(ECHO_E_ECHO_E)
26 ifeq ($(ECHO_E_BIN_ECHO_TAB),$(TAB))
27 ECHO_E := $(ECHO_E_BIN_ECHO)
29 ifeq ($(ECHO_E_BIN_ECHO_E_TAB),$(TAB))
30 ECHO_E := $(ECHO_E_BIN_ECHO_E)
37 @$(PRINTF) '%24s : x%sx\n' 'tab' '$(TAB)'
38 @$(PRINTF) '%24s : x%sx\n' '"$(ECHO_E_ECHO) \t"' \
40 @$(PRINTF) '%24s : x%sx\n' '"$(ECHO_E_ECHO_E) \t"' \
41 '$(ECHO_E_ECHO_E_TAB)'
42 @$(PRINTF) '%24s : x%sx\n' '"$(ECHO_E_BIN_ECHO) \t"' \
43 '$(ECHO_E_BIN_ECHO_TAB)'
44 @$(PRINTF) '%24s : x%sx\n' '"$(ECHO_E_BIN_ECHO_E) \t"' \
45 '$(ECHO_E_BIN_ECHO_E_TAB)'
46 @$(ECHO) "No usable \"echo -e\" substitute found"
49 MAKEDEPS += .echocheck
50 VERYCLEANUP += .echocheck
53 @$(ECHO) "Using \"$(ECHO_E)\" for \"echo -e\""
55 ###############################################################################
57 # Generate a usable "seq" substitute
60 $(shell awk 'BEGIN { for ( i = $(1) ; i <= $(2) ; i++ ) print i }')
63 ###############################################################################
67 HOST_OS := $(shell uname -s)
71 ###############################################################################
75 CCDEFS := $(shell $(CC) -E -x c -c /dev/null -dM | cut -d" " -f2)
79 ifeq ($(filter __ICC,$(CCDEFS)),__ICC)
87 ###############################################################################
89 # Check for tools that can cause failed builds
93 GCC_2_96_BANNER := $(shell $(CC) -v 2>&1 | grep -is 'gcc version 2\.96')
94 ifneq ($(GCC_2_96_BANNER),)
95 $(warning gcc 2.96 is unsuitable for compiling iPXE)
96 $(warning Use gcc 2.95 or a newer version instead)
97 $(error Unsuitable build environment found)
101 PERL_UNICODE_CHECK := $(shell $(PERL) -e 'use bytes; print chr(255)' | wc -c)
102 ifeq ($(PERL_UNICODE_CHECK),2)
103 $(warning Your Perl version has a Unicode handling bug)
104 $(warning Execute this command before building iPXE:)
105 $(warning export LANG=$${LANG%.UTF-8})
106 $(error Unsuitable build environment found)
109 LD_GOLD_BANNER := $(shell $(LD) -v 2>&1 | grep 'GNU gold')
110 ifneq ($(LD_GOLD_BANNER),)
111 $(warning GNU gold is unsuitable for building iPXE)
112 $(warning Use GNU ld instead)
113 $(error Unsuitable build environment found)
116 ###############################################################################
118 # Check if $(eval ...) is available to use
123 $(eval HAVE_EVAL := yes)
126 @$(ECHO) $(HAVE_EVAL)
128 ###############################################################################
130 # Check for various tool workarounds
134 WORKAROUND_ASFLAGS :=
135 WORKAROUND_LDFLAGS :=
137 # Make syntax does not allow use of comma or space in certain places.
138 # This ugly workaround is suggested in the manual.
142 SPACE := $(EMPTY) $(EMPTY)
149 # Some widespread patched versions of gcc include -fstack-protector by
150 # default, even when -ffreestanding is specified. We therefore need
151 # to disable -fstack-protector if the compiler supports it.
154 SP_TEST = $(CC) -fno-stack-protector -x c -c /dev/null \
155 -o /dev/null >/dev/null 2>&1
156 SP_FLAGS := $(shell $(SP_TEST) && $(ECHO) '-fno-stack-protector')
157 WORKAROUND_CFLAGS += $(SP_FLAGS)
160 # Some widespread patched versions of gcc include -fPIE -Wl,-pie by
161 # default. Note that gcc will exit *successfully* if it fails to
162 # recognise an option that starts with "no", so we have to test for
163 # output on stderr instead of checking the exit status.
166 PIE_TEST = [ -z "`$(CC) -fno-PIE -nopie -x c -c /dev/null -o /dev/null 2>&1`" ]
167 PIE_FLAGS := $(shell $(PIE_TEST) && $(ECHO) '-fno-PIE -nopie')
168 WORKAROUND_CFLAGS += $(PIE_FLAGS)
171 # gcc 4.4 generates .eh_frame sections by default, which distort the
172 # output of "size". Inhibit this.
175 CFI_TEST = $(CC) -fno-dwarf2-cfi-asm -fno-exceptions -fno-unwind-tables \
176 -fno-asynchronous-unwind-tables -x c -c /dev/null \
177 -o /dev/null >/dev/null 2>&1
178 CFI_FLAGS := $(shell $(CFI_TEST) && \
179 $(ECHO) '-fno-dwarf2-cfi-asm -fno-exceptions ' \
180 '-fno-unwind-tables -fno-asynchronous-unwind-tables')
181 WORKAROUND_CFLAGS += $(CFI_FLAGS)
184 # gcc 4.6 generates spurious warnings if -Waddress is in force.
188 WNA_TEST = $(CC) -Wno-address -x c -c /dev/null -o /dev/null >/dev/null 2>&1
189 WNA_FLAGS := $(shell $(WNA_TEST) && $(ECHO) '-Wno-address')
190 WORKAROUND_CFLAGS += $(WNA_FLAGS)
193 # Some versions of gas choke on division operators, treating them as
194 # comment markers. Specifying --divide will work around this problem,
195 # but isn't available on older gas versions.
197 DIVIDE_TEST = $(AS) --divide /dev/null -o /dev/null 2>/dev/null
198 DIVIDE_FLAGS := $(shell $(DIVIDE_TEST) && $(ECHO) '--divide')
199 WORKAROUND_ASFLAGS += $(DIVIDE_FLAGS)
201 ###############################################################################
213 ###############################################################################
218 export REAL_CC := $(CC)
223 ###############################################################################
225 # Set BIN according to whatever was specified on the command line as
229 # Determine how many different BIN directories are mentioned in the
232 BIN_GOALS := $(filter bin bin/% bin-%,$(MAKECMDGOALS))
233 BIN_GOALS_BINS := $(sort $(foreach BG,$(BIN_GOALS),\
234 $(firstword $(subst /, ,$(BG)))))
235 NUM_BINS := $(words $(BIN_GOALS_BINS))
239 # No BIN directory was specified. Set BIN to "bin" as a sensible
248 # If exactly one BIN directory was specified, set BIN to match this
251 BIN := $(firstword $(BIN_GOALS_BINS))
255 # More than one BIN directory was specified. We cannot handle the
256 # latter case within a single make invocation, so set up recursive
257 # targets for each BIN directory. Use exactly one target for each BIN
258 # directory since running multiple make invocations within the same
259 # BIN directory is likely to cause problems.
261 # Leave $(BIN) undefined. This has implications for any target that
262 # depends on $(BIN); such targets should be made conditional upon the
263 # existence of $(BIN).
265 BIN_GOALS_FIRST := $(foreach BGB,$(BIN_GOALS_BINS),\
266 $(firstword $(filter $(BGB)/%,$(BIN_GOALS))))
267 BIN_GOALS_OTHER := $(filter-out $(BIN_GOALS_FIRST),$(BIN_GOALS))
269 $(BIN_GOALS_FIRST) : % : BIN_RECURSE
270 $(Q)$(MAKE) --no-print-directory BIN=$(firstword $(subst /, ,$@)) \
271 $(filter $(firstword $(subst /, ,$@))/%, $(BIN_GOALS))
272 $(BIN_GOALS_OTHER) : % : BIN_RECURSE
276 endif # NUM_BINS == 1
277 endif # NUM_BINS == 0
281 # Create $(BIN) directory if it doesn't exist yet
283 ifeq ($(wildcard $(BIN)),)
284 $(shell $(MKDIR) -p $(BIN))
287 # Target to allow e.g. "make bin-efi arch"
290 @# Do nothing, silently
293 # Remove everything in $(BIN) for a "make clean"
295 CLEANUP += $(BIN)/*.* # Avoid picking up directories
299 # Determine whether or not we need to include the dependency files
301 NO_DEP_TARGETS := $(BIN) clean veryclean
302 ifeq ($(MAKECMDGOALS),)
305 ifneq ($(strip $(filter-out $(NO_DEP_TARGETS),$(MAKECMDGOALS))),)
309 ###############################################################################
311 # Select build architecture and platform based on $(BIN)
313 # BIN has the form bin[-[arch-]platform]
315 ARCHS := $(patsubst arch/%,%,$(wildcard arch/*))
316 PLATFORMS := $(patsubst config/defaults/%.h,%,\
317 $(wildcard config/defaults/*.h))
322 @$(ECHO) $(PLATFORMS)
326 # Determine architecture portion of $(BIN), if present
327 BIN_ARCH := $(strip $(foreach A,$(ARCHS),\
328 $(patsubst bin-$(A)-%,$(A),\
329 $(filter bin-$(A)-%,$(BIN)))))
331 # Determine platform portion of $(BIN), if present
333 BIN_PLATFORM := $(patsubst bin-%,%,$(filter bin-%,$(BIN)))
335 BIN_PLATFORM := $(patsubst bin-$(BIN_ARCH)-%,%,$(BIN))
338 # Determine build architecture
340 ARCH := $(firstword $(BIN_ARCH) $(DEFAULT_ARCH))
341 CFLAGS += -DARCH=$(ARCH)
346 # Determine build platform
347 DEFAULT_PLATFORM := pcbios
348 PLATFORM := $(firstword $(BIN_PLATFORM) $(DEFAULT_PLATFORM))
349 CFLAGS += -DPLATFORM=$(PLATFORM)
355 # Include architecture-specific Makefile
357 MAKEDEPS += arch/$(ARCH)/Makefile
358 include arch/$(ARCH)/Makefile
361 # Include architecture-specific include path
363 INCDIRS += arch/$(ARCH)/include
364 INCDIRS += arch/$(ARCH)/include/$(PLATFORM)
367 ###############################################################################
369 # Source file handling
371 # SRCDIRS lists all directories containing source files.
375 # SRCS lists all .c or .S files found in any SRCDIR
377 SRCS += $(wildcard $(patsubst %,%/*.c,$(SRCDIRS)))
378 SRCS += $(wildcard $(patsubst %,%/*.S,$(SRCDIRS)))
382 # AUTO_SRCS lists all files in SRCS that are not mentioned in
383 # NON_AUTO_SRCS. Files should be added to NON_AUTO_SRCS if they
384 # cannot be built using the standard build template.
386 AUTO_SRCS = $(filter-out $(NON_AUTO_SRCS),$(SRCS))
388 @$(ECHO) $(AUTO_SRCS)
390 # Just about everything else in this section depends upon having
395 # INCDIRS lists the include path
401 CFLAGS += $(foreach INC,$(INCDIRS),-I$(INC))
405 CFLAGS += -ffreestanding
406 CFLAGS += -Wall -W -Wformat-nonliteral
407 HOST_CFLAGS += -Wall -W -Wformat-nonliteral
410 CFLAGS += -fno-builtin
413 CFLAGS += -diag-disable 111 # Unreachable code
414 CFLAGS += -diag-disable 128 # Unreachable loop
415 CFLAGS += -diag-disable 170 # Array boundary checks
416 CFLAGS += -diag-disable 177 # Unused functions
417 CFLAGS += -diag-disable 181 # printf() format checks
418 CFLAGS += -diag-disable 188 # enum strictness
419 CFLAGS += -diag-disable 193 # Undefined preprocessor identifiers
420 CFLAGS += -diag-disable 280 # switch ( constant )
421 CFLAGS += -diag-disable 310 # K&R parameter lists
422 CFLAGS += -diag-disable 424 # Extra semicolon
423 CFLAGS += -diag-disable 589 # Declarations mid-code
424 CFLAGS += -diag-disable 593 # Unused variables
425 CFLAGS += -diag-disable 810 # Casting ints to smaller ints
426 CFLAGS += -diag-disable 981 # Sequence point violations
427 CFLAGS += -diag-disable 1292 # Ignored attributes
428 CFLAGS += -diag-disable 1338 # void pointer arithmetic
429 CFLAGS += -diag-disable 1361 # Variable-length arrays
430 CFLAGS += -diag-disable 1418 # Missing prototypes
431 CFLAGS += -diag-disable 1419 # Missing prototypes
432 CFLAGS += -diag-disable 1599 # Hidden variables
433 CFLAGS += -Wall -Wmissing-declarations
435 CFLAGS += $(WORKAROUND_CFLAGS) $(EXTRA_CFLAGS)
436 ASFLAGS += $(WORKAROUND_ASFLAGS) $(EXTRA_ASFLAGS)
437 LDFLAGS += $(WORKAROUND_LDFLAGS) $(EXTRA_LDFLAGS)
438 HOST_CFLAGS += -O2 -g
440 # Inhibit -Werror if NO_WERROR is specified on make command line
442 ifneq ($(NO_WERROR),1)
444 ASFLAGS += --fatal-warnings
445 HOST_CFLAGS += -Werror
448 # Function trace recorder state in the last build. This is needed
449 # in order to correctly rebuild whenever the function recorder is
452 FNREC_STATE := $(BIN)/.fnrec.state
453 ifeq ($(wildcard $(FNREC_STATE)),)
454 FNREC_OLD := <invalid>
456 FNREC_OLD := $(shell cat $(FNREC_STATE))
458 ifeq ($(FNREC_OLD),$(FNREC))
461 $(FNREC_STATE) : clean
462 $(shell $(ECHO) "$(FNREC)" > $(FNREC_STATE))
465 VERYCLEANUP += $(FNREC_STATE)
466 MAKEDEPS += $(FNREC_STATE)
469 # Enabling -finstrument-functions affects gcc's analysis and leads to spurious
470 # warnings about use of uninitialised variables.
472 CFLAGS += -Wno-uninitialized
473 CFLAGS += -finstrument-functions
474 CFLAGS += -finstrument-functions-exclude-file-list=core/fnrec.c
477 # Enable per-item sections and section garbage collection. Note that
478 # some older versions of gcc support -fdata-sections but treat it as
479 # implying -fno-common, which would break our build. Some other older
480 # versions issue a spurious and uninhibitable warning if
481 # -ffunction-sections is used with -g, which would also break our
482 # build since we use -Werror.
485 DS_TEST = $(ECHO) 'char x;' | \
486 $(CC) -fdata-sections -S -x c - -o - 2>/dev/null | \
487 grep -E '\.comm' > /dev/null
488 DS_FLAGS := $(shell $(DS_TEST) && $(ECHO) '-fdata-sections')
489 FS_TEST = $(CC) -ffunction-sections -g -c -x c /dev/null \
490 -o /dev/null 2>/dev/null
491 FS_FLAGS := $(shell $(FS_TEST) && $(ECHO) '-ffunction-sections')
492 CFLAGS += $(FS_FLAGS) $(DS_FLAGS)
494 LDFLAGS += --gc-sections
496 # Force creation of static binaries (required for OpenBSD, does no
497 # harm on other platforms).
501 # compiler.h is needed for our linking and debugging system
503 CFLAGS += -include include/compiler.h
505 # CFLAGS for specific object types
508 CFLAGS_S += -DASSEMBLY
510 # Base object name of the current target
512 OBJECT = $(firstword $(subst ., ,$(@F)))
514 # CFLAGS for specific object files. You can define
515 # e.g. CFLAGS_rtl8139, and have those flags automatically used when
516 # compiling bin/rtl8139.o.
518 OBJ_CFLAGS = $(CFLAGS_$(OBJECT)) -DOBJECT=$(subst -,_,$(OBJECT))
520 @$(ECHO) $(OBJ_CFLAGS)
522 # ICC requires postprocessing objects to fix up table alignments
525 POST_O = && $(ICCFIX) $@
526 POST_O_DEPS := $(ICCFIX)
532 # Rules for specific object types.
534 COMPILE_c = $(CC) $(CFLAGS) $(CFLAGS_c) $(OBJ_CFLAGS)
535 RULE_c = $(Q)$(COMPILE_c) -c $< -o $@ $(POST_O)
536 RULE_c_to_dbg%.o = $(Q)$(COMPILE_c) -DDBGLVL_MAX=$* -c $< -o $@ $(POST_O)
537 RULE_c_to_c = $(Q)$(COMPILE_c) -E -c $< > $@
538 RULE_c_to_s = $(Q)$(COMPILE_c) -S -g0 -c $< -o $@
540 PREPROCESS_S = $(CPP) $(CFLAGS) $(CFLAGS_S) $(OBJ_CFLAGS)
541 ASSEMBLE_S = $(AS) $(ASFLAGS)
542 RULE_S = $(Q)$(PREPROCESS_S) $< | $(ASSEMBLE_S) -o $@
543 RULE_S_to_dbg%.o = $(Q)$(PREPROCESS_S) -DDBGLVL_MAX=$* $< | $(ASSEMBLE_S) -o $@
544 RULE_S_to_s = $(Q)$(PREPROCESS_S) $< > $@
546 DEBUG_TARGETS += dbg%.o c s
548 # List of embedded images included in the last build of embedded.o.
549 # This is needed in order to correctly rebuild embedded.o whenever the
550 # list of objects changes.
552 EMBED := $(EMBEDDED_IMAGE) # Maintain backwards compatibility
553 EMBEDDED_LIST := $(BIN)/.embedded.list
554 ifeq ($(wildcard $(EMBEDDED_LIST)),)
555 EMBED_OLD := <invalid>
557 EMBED_OLD := $(shell cat $(EMBEDDED_LIST))
559 ifneq ($(EMBED_OLD),$(EMBED))
560 $(shell $(ECHO) "$(EMBED)" > $(EMBEDDED_LIST))
563 $(EMBEDDED_LIST) : $(MAKEDEPS)
565 VERYCLEANUP += $(EMBEDDED_LIST)
567 EMBEDDED_FILES := $(subst $(COMMA), ,$(EMBED))
568 EMBED_ALL := $(foreach i,$(call seq,1,$(words $(EMBEDDED_FILES))),\
569 EMBED ( $(i), \"$(word $(i), $(EMBEDDED_FILES))\",\
570 \"$(notdir $(word $(i),$(EMBEDDED_FILES)))\" ))
572 embedded_DEPS += $(EMBEDDED_FILES) $(EMBEDDED_LIST)
574 CFLAGS_embedded = -DEMBED_ALL="$(EMBED_ALL)"
576 # List of trusted root certificates
578 TRUSTED_LIST := $(BIN)/.trusted.list
579 ifeq ($(wildcard $(TRUSTED_LIST)),)
580 TRUST_OLD := <invalid>
582 TRUST_OLD := $(shell cat $(TRUSTED_LIST))
584 ifneq ($(TRUST_OLD),$(TRUST))
585 $(shell $(ECHO) "$(TRUST)" > $(TRUSTED_LIST))
588 $(TRUSTED_LIST) : $(MAKEDEPS)
590 VERYCLEANUP += $(TRUSTED_LIST)
592 # Trusted root certificate fingerprints
594 TRUSTED_CERTS := $(subst $(COMMA), ,$(TRUST))
595 TRUSTED_FPS := $(foreach CERT,$(TRUSTED_CERTS),\
596 0x$(subst :,$(COMMA) 0x,$(lastword $(subst =, ,\
597 $(shell $(OPENSSL) x509 -in $(CERT) -noout -sha256 \
598 -fingerprint))))$(COMMA))
600 rootcert_DEPS += $(TRUSTED_FILES) $(TRUSTED_LIST)
602 CFLAGS_rootcert = $(if $(TRUSTED_FPS),-DTRUSTED="$(TRUSTED_FPS)")
604 # List of embedded certificates
606 CERT_LIST := $(BIN)/.certificate.list
607 ifeq ($(wildcard $(CERT_LIST)),)
608 CERT_OLD := <invalid>
610 CERT_OLD := $(shell cat $(CERT_LIST))
612 ifneq ($(CERT_OLD),$(CERT))
613 $(shell $(ECHO) "$(CERT)" > $(CERT_LIST))
616 $(CERT_LIST) : $(MAKEDEPS)
618 VERYCLEANUP += $(CERT_LIST)
620 # Embedded certificates concatenated and then split into one file per
621 # certificate (even if original files contained certificate chains)
623 CERT_FILES := $(subst $(COMMA), ,$(CERT))
624 CERT_CONCAT := $(BIN)/.certificates.pem
628 CERT_COUNT := $(shell grep "BEGIN CERTIFICATE" $(CERT_FILES) | wc -l)
630 $(CERT_CONCAT) : $(CERT_FILES) $(CERT_LIST)
631 $(Q)cat $(CERT_FILES) > $@
633 # We must use an (otherwise unnecessary) pattern rule here to encode
634 # the fact that one "csplit" command generates multiple targets
635 CERT_PEMS := $(foreach i,$(call seq,1,$(CERT_COUNT)),\
636 $(BIN)/.certificate.pem.$(i))
637 $(subst .pem.,.%.,$(CERT_PEMS)) : $(BIN)/.certificates.%
638 $(Q)$(CSPLIT) -q -n 1 -f $(BIN)/.certificate.pem. $< \
639 '/BEGIN CERTIFICATE/' '{*}'
641 CERT_DERS := $(subst .certificate.pem.,.certificate.der.,$(CERT_PEMS))
642 $(BIN)/.certificate.der.% : $(BIN)/.certificate.pem.%
643 $(Q)$(OPENSSL) x509 -in $< -outform DER -out $@
645 CERT_ALL := $(foreach i,$(call seq,1,$(CERT_COUNT)),\
646 CERT ( $(i), \"$(word $(i),$(CERT_DERS))\" ))
650 certstore_DEPS += $(CERT_LIST) $(CERT_FILES) $(CERT_PEMS) $(CERT_DERS)
652 CFLAGS_certstore += -DCERT_ALL="$(CERT_ALL)"
654 CLEANUP += $(BIN)/.certificate.* $(BIN)/.certificates.*
656 # (Single-element) list of private keys
659 PRIVKEY := $(KEY) # Maintain backwards compatibility
661 PRIVKEY_LIST := $(BIN)/.private_key.list
662 ifeq ($(wildcard $(PRIVKEY_LIST)),)
663 PRIVKEY_OLD := <invalid>
665 PRIVKEY_OLD := $(shell cat $(PRIVKEY_LIST))
667 ifneq ($(PRIVKEY_OLD),$(PRIVKEY))
668 $(shell $(ECHO) "$(PRIVKEY)" > $(PRIVKEY_LIST))
671 $(PRIVKEY_LIST) : $(MAKEDEPS)
673 VERYCLEANUP += $(PRIVKEY_LIST)
675 # Embedded private key
677 PRIVKEY_INC := $(BIN)/.private_key.der
680 $(PRIVKEY_INC) : $(PRIVKEY) $(PRIVKEY_LIST)
681 $(Q)$(OPENSSL) rsa -in $< -outform DER -out $@
683 privkey_DEPS += $(PRIVKEY_INC)
686 CLEANUP += $(BIN)/.private_key.*
688 privkey_DEPS += $(PRIVKEY_LIST)
690 CFLAGS_privkey += $(if $(PRIVKEY),-DPRIVATE_KEY="\"$(PRIVKEY_INC)\"")
692 # (Single-element) list of named configurations
694 CONFIG_LIST := $(BIN)/.config.list
695 ifeq ($(wildcard $(CONFIG_LIST)),)
696 CONFIG_OLD := <invalid>
698 CONFIG_OLD := $(shell cat $(CONFIG_LIST))
700 ifneq ($(CONFIG_OLD),$(CONFIG))
701 $(shell $(ECHO) "$(CONFIG)" > $(CONFIG_LIST))
704 $(CONFIG_LIST) : $(MAKEDEPS)
706 VERYCLEANUP += $(CONFIG_LIST)
708 # Named configurations
711 ifneq ($(wildcard config/$(CONFIG)),)
712 CFLAGS += -DCONFIG=$(CONFIG)
714 CFLAGS += -DLOCAL_CONFIG=$(CONFIG)
717 config/named.h : $(CONFIG_LIST)
720 .PRECIOUS : config/named.h
722 # These files use .incbin inline assembly to include a binary file.
723 # Unfortunately ccache does not detect this dependency and caches
724 # builds even when the binary file has changed.
726 $(BIN)/embedded.% : override CC := env CCACHE_DISABLE=1 $(CC)
727 $(BIN)/certstore.% : override CC := env CCACHE_DISABLE=1 $(CC)
728 $(BIN)/privkey.% : override CC := env CCACHE_DISABLE=1 $(CC)
730 # Debug message autocolourisation range
732 DBGCOL_LIST := $(BIN)/.dbgcol.list
733 ifeq ($(wildcard $(DBGCOL_LIST)),)
734 DBGCOL_OLD := <invalid>
736 DBGCOL_OLD := $(shell cat $(DBGCOL_LIST))
738 ifneq ($(DBGCOL_OLD),$(DBGCOL))
739 $(shell $(ECHO) "$(DBGCOL)" > $(DBGCOL_LIST))
742 $(DBGCOL_LIST) : $(MAKEDEPS)
744 VERYCLEANUP += $(DBGCOL_LIST)
746 DBGCOL_COLOURS := $(subst -, ,$(DBGCOL))
747 DBGCOL_MIN := $(word 1,$(DBGCOL_COLOURS))
748 DBGCOL_MAX := $(word 2,$(DBGCOL_COLOURS))
750 debug_DEPS += $(DBGCOL_LIST)
752 CFLAGS_debug += $(if $(DBGCOL_MIN),-DDBGCOL_MIN=$(DBGCOL_MIN))
753 CFLAGS_debug += $(if $(DBGCOL_MAX),-DDBGCOL_MAX=$(DBGCOL_MAX))
755 # We automatically generate rules for any file mentioned in AUTO_SRCS
756 # using the following set of templates. We use $(eval ...) if
757 # available, otherwise we generate separate Makefile fragments and
760 # deps_template : generate dependency list for a given source file
762 # $(1) is the full path to the source file (e.g. "drivers/net/rtl8139.c")
764 define deps_template_file
765 $(call deps_template_parts,$(1),$(subst .,,$(suffix $(1))),$(basename $(notdir $(1))))
768 # $(1) is the full path to the source file (e.g. "drivers/net/rtl8139.c")
769 # $(2) is the source type (e.g. "c")
770 # $(3) is the source base name (e.g. "rtl8139")
772 define deps_template_parts
773 @$(ECHO) " [DEPS] $(1)"
774 @$(MKDIR) -p $(BIN)/deps/$(dir $(1))
775 $(Q)$(CPP) $(CFLAGS) $(CFLAGS_$(2)) $(CFLAGS_$(3)) -DOBJECT=$(3) \
776 -Wno-error -M $(1) -MG -MP | \
777 sed 's/\.o\s*:/_DEPS +=/' > $(BIN)/deps/$(1).d
778 $(Q)$(if $(findstring drivers/,$(1)),\
779 $(PERL) $(PARSEROM) $(1) >> $(BIN)/deps/$(1).d)
782 # rules_template : generate rules for a given source file
784 # $(1) is the full path to the source file (e.g. "drivers/net/rtl8139.c")
786 define rules_template
787 $(call rules_template_parts,$(1),$(subst .,,$(suffix $(1))),$(basename $(notdir $(1))))
790 # $(1) is the full path to the source file (e.g. "drivers/net/rtl8139.c")
791 # $(2) is the source type (e.g. "c")
792 # $(3) is the source base name (e.g. "rtl8139")
794 define rules_template_parts
795 $$(BIN)/$(3).o : $(1) $$(MAKEDEPS) $$(POST_O_DEPS) $$($(3)_DEPS)
796 $$(QM)$(ECHO) " [BUILD] $$@"
798 BOBJS += $$(BIN)/$(3).o
799 $(foreach TGT,$(DEBUG_TARGETS),$(if $(RULE_$(2)_to_$(TGT)),$(NEWLINE)$(call rules_template_target,$(1),$(2),$(3),$(TGT))))
800 $$(BIN)/deps/$(1).d : $$($(3)_DEPS)
804 # $(1) is the full path to the source file (e.g. "drivers/net/rtl8139.c")
805 # $(2) is the source type (e.g. "c")
806 # $(3) is the source base name (e.g. "rtl8139")
807 # $(4) is the destination type (e.g. "dbg%.o")
809 define rules_template_target
810 $$(BIN)/$(3).$(4) : $(1) $$(MAKEDEPS) $$(POST_O_DEPS) $$($(3)_DEPS)
811 $$(QM)$(ECHO) " [BUILD] $$@"
812 $$(RULE_$(2)_to_$(4))
813 $(TGT)_OBJS += $$(BIN)/$(3).$(4)
816 # $(1) is the full path to the source file (e.g. "drivers/net/rtl8139.c")
818 define rules_template_file
819 @$(ECHO) " [RULES] $(1)"
820 @$(MKDIR) -p $(BIN)/rules/$(dir $(1))
821 @$(ECHO_E) '$(subst $(NEWLINE),\n,$(call rules_template,$(1)))' \
822 > $(BIN)/rules/$(1).r
825 # Generate the dependency files
827 $(BIN)/deps/%.d : % $(MAKEDEPS) $(PARSEROM)
828 $(call deps_template_file,$<)
830 # Calculate list of dependency files
832 AUTO_DEPS = $(patsubst %,$(BIN)/deps/%.d,$(AUTO_SRCS))
834 @$(ECHO) $(AUTO_DEPS)
835 VERYCLEANUP += $(BIN)/deps
837 # Include dependency files
840 ifneq ($(AUTO_DEPS),)
841 -include $(AUTO_DEPS)
845 # Generate the rules files
847 $(BIN)/rules/%.r : % $(MAKEDEPS)
848 $(call rules_template_file,$<)
850 # Calculate list of rules files
852 AUTO_RULES = $(patsubst %,$(BIN)/rules/%.r,$(AUTO_SRCS))
854 @$(ECHO) $(AUTO_RULES)
855 VERYCLEANUP += $(BIN)/rules
857 # Evaluate rules (or include rules files)
860 ifneq ($(AUTO_RULES),)
861 ifneq ($(HAVE_EVAL),)
862 $(foreach SRC,$(AUTO_SRCS),$(eval $(call rules_template,$(SRC))))
864 -include $(AUTO_RULES)
869 # The following variables are created by the rules files
879 # Generate error usage information
881 $(BIN)/%.einfo : $(BIN)/%.o
882 $(QM)$(ECHO) " [EINFO] $@"
883 $(Q)$(OBJCOPY) -O binary -j .einfo --set-section-flags .einfo=alloc \
886 EINFOS := $(patsubst $(BIN)/%.o,$(BIN)/%.einfo,$(BOBJS))
887 $(BIN)/errors : $(EINFOS) $(EINFO)
888 $(QM)$(ECHO) " [EINFO] $@"
889 $(Q)$(EINFO) $(EINFOS) | sort > $@
890 CLEANUP += $(BIN)/errors # Doesn't match the $(BIN)/*.* pattern
892 # Generate the NIC file from the parsed source files. The NIC file is
893 # only for rom-o-matic.
895 $(BIN)/NIC : $(AUTO_DEPS)
896 @$(ECHO) '# This is an automatically generated file, do not edit' > $@
897 @$(ECHO) '# It does not affect anything in the build, ' \
898 'it is only for rom-o-matic' >> $@
900 @perl -ne 'chomp; print "$$1\n" if /\# NIC\t(.*)$$/' $^ >> $@
901 CLEANUP += $(BIN)/NIC # Doesn't match the $(BIN)/*.* pattern
903 # Analyse a target name (e.g. "bin/dfe538--prism2_pci.rom.tmp") and
904 # derive the variables:
906 # TGT_ELEMENTS : the elements of the target (e.g. "dfe538 prism2_pci")
907 # TGT_PREFIX : the prefix type (e.g. "pcirom")
908 # TGT_DRIVERS : the driver for each element (e.g. "rtl8139 prism2_pci")
909 # TGT_ROM_NAME : the ROM name (e.g. "dfe538")
911 DRIVERS_ipxe = $(DRIVERS)
912 CARD_DRIVER = $(firstword $(DRIVER_$(1)) $(1))
913 TGT_ELEMENTS = $(subst --, ,$(firstword $(subst ., ,$(notdir $@))))
914 TGT_ROM_NAME = $(firstword $(TGT_ELEMENTS))
915 TGT_DRIVERS = $(strip $(if $(DRIVERS_$(TGT_ROM_NAME)), \
916 $(DRIVERS_$(TGT_ROM_NAME)), \
917 $(foreach TGT_ELEMENT,$(TGT_ELEMENTS), \
918 $(call CARD_DRIVER,$(TGT_ELEMENT))) ))
919 TGT_PREFIX_NAME = $(word 2,$(subst ., ,$(notdir $@)))
920 TGT_PREFIX = $(strip $(if $(filter rom,$(TGT_PREFIX_NAME)), \
921 $(ROM_TYPE_$(TGT_ROM_NAME))rom, \
924 # Look up ROM IDs for the current target
925 # (e.g. "bin/dfe538--prism2_pci.rom.tmp") and derive the variables:
927 # TGT_PCI_VENDOR : the PCI vendor ID (e.g. "0x1186")
928 # TGT_PCI_DEVICE : the PCI device ID (e.g. "0x1300")
930 TGT_PCI_VENDOR = $(PCI_VENDOR_$(TGT_ROM_NAME))
931 TGT_PCI_DEVICE = $(PCI_DEVICE_$(TGT_ROM_NAME))
933 # Calculate link-time options for the current target
934 # (e.g. "bin/dfe538--prism2_pci.rom.tmp") and derive the variables:
936 # TGT_LD_DRIVERS : symbols to require in order to drag in the relevant drivers
937 # (e.g. "obj_rtl8139 obj_prism2_pci")
938 # TGT_LD_IDS : symbols to define in order to fill in ID structures in the
939 # ROM header (e.g."pci_vendor_id=0x1186 pci_device_id=0x1300")
941 TGT_LD_DRIVERS = $(subst -,_,$(patsubst %,obj_%,$(TGT_DRIVERS)))
942 TGT_LD_IDS = pci_vendor_id=$(firstword $(TGT_PCI_VENDOR) 0) \
943 pci_device_id=$(firstword $(TGT_PCI_DEVICE) 0)
944 TGT_LD_ENTRY = _$(TGT_PREFIX)_start
946 # Calculate linker flags based on link-time options for the current
947 # target type (e.g. "bin/dfe538--prism2_pci.rom.tmp") and derive the
950 # TGT_LD_FLAGS : target-specific flags to pass to linker (e.g.
951 # "-u obj_zpciprefix -u obj_rtl8139 -u obj_prism2_pci
952 # --defsym pci_vendor=0x1186 --defsym pci_device=0x1300")
954 TGT_LD_FLAGS = $(foreach SYM,$(TGT_LD_ENTRY) $(TGT_LD_DRIVERS) obj_config,\
955 -u $(SYM) --defsym check_$(SYM)=$(SYM) ) \
956 $(patsubst %,--defsym %,$(TGT_LD_IDS)) \
959 # Calculate list of debugging versions of objects to be included in
962 DEBUG_LIST = $(subst $(COMMA), ,$(DEBUG))
963 DEBUG_OBJ_LEVEL = $(firstword $(word 2,$(subst :, ,$(1))) 1)
964 DEBUG_OBJ_BASE = $(word 1,$(subst :, ,$(1))).dbg$(call DEBUG_OBJ_LEVEL,$(1))
965 DEBUG_OBJ = $(BIN)/$(call DEBUG_OBJ_BASE,$(1)).o
966 DEBUG_ORIG_OBJ = $(BIN)/$(word 1,$(subst :, ,$(1))).o
967 DEBUG_OBJS = $(foreach D,$(DEBUG_LIST),$(call DEBUG_OBJ,$(D)))
968 DEBUG_ORIG_OBJS = $(foreach D,$(DEBUG_LIST),$(call DEBUG_ORIG_OBJ,$(D)))
969 BLIB_OBJS = $(DEBUG_OBJS) $(filter-out $(DEBUG_ORIG_OBJS),$(BOBJS))
971 # Print out all derived information for a given target.
974 @$(ECHO) 'Elements : $(TGT_ELEMENTS)'
975 @$(ECHO) 'Prefix : $(TGT_PREFIX)'
976 @$(ECHO) 'Drivers : $(TGT_DRIVERS)'
977 @$(ECHO) 'ROM name : $(TGT_ROM_NAME)'
979 @$(ECHO) 'PCI vendor : $(TGT_PCI_VENDOR)'
980 @$(ECHO) 'PCI device : $(TGT_PCI_DEVICE)'
982 @$(ECHO) 'LD driver symbols : $(TGT_LD_DRIVERS)'
983 @$(ECHO) 'LD ID symbols : $(TGT_LD_IDS)'
984 @$(ECHO) 'LD entry point : $(TGT_LD_ENTRY)'
986 @$(ECHO) 'LD target flags : $(TGT_LD_FLAGS)'
988 @$(ECHO) 'Debugging objects : $(DEBUG_OBJS)'
989 @$(ECHO) 'Replaced objects : $(DEBUG_ORIG_OBJS)'
991 # List of objects included in the last build of blib. This is needed
992 # in order to correctly rebuild blib whenever the list of objects
995 BLIB_LIST := $(BIN)/.blib.list
996 ifeq ($(wildcard $(BLIB_LIST)),)
997 BLIB_OBJS_OLD := <invalid>
999 BLIB_OBJS_OLD := $(shell cat $(BLIB_LIST))
1001 ifneq ($(BLIB_OBJS_OLD),$(BLIB_OBJS))
1002 $(shell $(ECHO) "$(BLIB_OBJS)" > $(BLIB_LIST))
1005 $(BLIB_LIST) : $(MAKEDEPS)
1007 VERYCLEANUP += $(BLIB_LIST)
1009 # Library of all objects
1011 BLIB = $(BIN)/blib.a
1012 $(BLIB) : $(BLIB_OBJS) $(BLIB_LIST) $(MAKEDEPS)
1014 $(QM)$(ECHO) " [AR] $@"
1015 $(Q)$(AR) r $@ $(BLIB_OBJS)
1019 # Command to generate build ID. Must be unique for each $(BIN)/%.tmp,
1020 # even within the same build run.
1022 BUILD_ID_CMD := perl -e 'printf "0x%08x", int ( rand ( 0xffffffff ) );'
1026 BUILD_TIMESTAMP := $(shell date +%s)
1030 GIT_INDEX := $(if $(GITVERSION),$(if $(wildcard ../.git/index),../.git/index))
1031 $(BIN)/version.%.o : core/version.c $(MAKEDEPS) $(GIT_INDEX)
1032 $(QM)$(ECHO) " [VERSION] $@"
1033 $(Q)$(COMPILE_c) -DBUILD_NAME="\"$*\"" \
1034 -DVERSION_MAJOR=$(VERSION_MAJOR) \
1035 -DVERSION_MINOR=$(VERSION_MINOR) \
1036 -DVERSION_PATCH=$(VERSION_PATCH) \
1037 -DVERSION="\"$(VERSION)\"" \
1040 # Build an intermediate object file from the objects required for the
1043 $(BIN)/%.tmp : $(BIN)/version.%.o $(BLIB) $(MAKEDEPS) $(LDSCRIPT)
1044 $(QM)$(ECHO) " [LD] $@"
1045 $(Q)$(LD) $(LDFLAGS) -T $(LDSCRIPT) $(TGT_LD_FLAGS) $< $(BLIB) -o $@ \
1046 --defsym _build_id=`$(BUILD_ID_CMD)` \
1047 --defsym _build_timestamp=$(BUILD_TIMESTAMP) \
1048 -Map $(BIN)/$*.tmp.map
1049 $(Q)$(OBJDUMP) -ht $@ | $(PERL) $(SORTOBJDUMP) >> $(BIN)/$*.tmp.map
1051 # Keep intermediate object file (useful for debugging)
1052 .PRECIOUS : $(BIN)/%.tmp
1054 # Show a linker map for the specified target
1056 $(BIN)/%.map : $(BIN)/%.tmp
1057 @less $(BIN)/$*.tmp.map
1059 # Get objects list for the specified target
1062 $(sort $(foreach OBJ_SYMBOL,\
1063 $(filter obj_%,$(shell $(NM) $(1) | cut -d" " -f3)),\
1064 $(patsubst obj_%,%,$(OBJ_SYMBOL))))
1066 $(BIN)/%.objs : $(BIN)/%.tmp
1067 $(Q)$(ECHO) $(call objs_list,$<)
1068 $(BIN)/%.sizes : $(BIN)/%.tmp
1069 $(Q)$(SIZE) -t $(foreach OBJ,$(call objs_list,$<),$(wildcard $(BIN)/$(subst _,?,$(OBJ)).o)) | \
1072 # Get dependency list for the specified target
1075 $(sort $(foreach OBJ,$(call objs_list,$(1)),$($(OBJ)_DEPS)))
1077 $(BIN)/%.deps : $(BIN)/%.tmp
1078 $(Q)$(ECHO) $(call deps_list,$<)
1080 # Get unneeded source files for the specified target
1083 $(sort $(filter-out $(call deps_list,$(1)),\
1084 $(foreach BOBJ,$(BOBJS),\
1085 $($(basename $(notdir $(BOBJ)))_DEPS))))
1087 $(BIN)/%.nodeps : $(BIN)/%.tmp
1088 $(Q)$(ECHO) $(call nodeps_list,$<)
1090 # Get licensing verdict for the specified target
1092 define licensable_deps_list
1093 $(filter-out config/local/%.h,\
1094 $(filter-out $(BIN)/.%.list,\
1095 $(call deps_list,$(1))))
1097 define unlicensed_deps_list
1098 $(shell grep -L FILE_LICENCE $(call licensable_deps_list,$(1)))
1101 $(sort $(foreach LICENCE,\
1102 $(filter __licence__%,$(shell $(NM) $(1) | cut -d" " -f3)),\
1103 $(word 2,$(subst __, ,$(LICENCE)))))
1105 $(BIN)/%.licence_list : $(BIN)/%.tmp
1106 $(Q)$(ECHO) $(call licence_list,$<)
1107 $(BIN)/%.licence : $(BIN)/%.tmp
1108 $(QM)$(ECHO) " [LICENCE] $@"
1109 $(Q)$(if $(strip $(call unlicensed_deps_list,$<)),\
1110 echo -n "Unable to determine licence because the following " ;\
1111 echo "files are missing a licence declaration:" ;\
1112 echo $(call unlicensed_deps_list,$<);\
1114 $(PERL) $(LICENCE) $(call licence_list,$<))
1116 # Extract compression information from intermediate object file
1118 $(BIN)/%.zinfo : $(BIN)/%.tmp
1119 $(QM)$(ECHO) " [ZINFO] $@"
1120 $(Q)$(OBJCOPY) -O binary -j .zinfo $< $@
1122 # Build raw binary file from intermediate object file
1124 $(BIN)/%.bin : $(BIN)/%.tmp
1125 $(QM)$(ECHO) " [BIN] $@"
1126 $(Q)$(OBJCOPY) -O binary -R .zinfo $< $@
1128 # Compress raw binary file
1130 $(BIN)/%.zbin : $(BIN)/%.bin $(BIN)/%.zinfo $(ZBIN)
1131 $(QM)$(ECHO) " [ZBIN] $@"
1132 $(Q)$(ZBIN) $(BIN)/$*.bin $(BIN)/$*.zinfo > $@
1134 # Rules for each media format. These are generated and placed in an
1135 # external Makefile fragment. We could do this via $(eval ...), but
1136 # that would require make >= 3.80.
1138 # Note that there's an alternative way to generate most .rom images:
1139 # they can be copied from their 'master' ROM image using cp and
1140 # reprocessed with makerom to add the PCI IDs and ident string. The
1141 # relevant rule would look something like:
1143 # $(BIN)/dfe538%rom : $(BIN)/rtl8139%rom
1147 # You can derive the ROM/driver relationships using the variables
1148 # DRIVER_<rom> and/or ROMS_<driver>.
1150 # We don't currently do this, because (a) it would require generating
1151 # yet more Makefile fragments (since you need a rule for each ROM in
1152 # ROMS), and (b) the linker is so fast that it probably wouldn't make
1153 # much difference to the overall build time.
1155 # Add NON_AUTO_MEDIA to the media list, so that they show up in the
1158 MEDIA += $(NON_AUTO_MEDIA)
1163 AUTO_MEDIA = $(filter-out $(NON_AUTO_MEDIA),$(MEDIA))
1165 @$(ECHO) $(AUTO_MEDIA)
1167 # media_template : create media rules
1169 # $(1) is the media name (e.g. "rom")
1171 define media_template
1172 $(if $(filter $(1),$(AUTO_MEDIA)),$(call auto_media_template,$(1)))
1173 LIST_$(1) := $$(if $$(LIST_NAME_$(1)),$$($$(LIST_NAME_$(1))),$$(DRIVERS))
1174 ALL_$(1) = $$(foreach ITEM,$$(LIST_$(1)),$$(BIN)/$$(ITEM).$(1))
1175 $$(BIN)/all$(1)s : $$(ALL_$(1))
1176 $$(BIN)/allall : $$(BIN)/all$(1)s
1177 all$(1)s : $$(BIN)/all$(1)s
1178 allall : $$(BIN)/allall
1181 # $(1) is the media name (e.g. "rom")
1183 define auto_media_template
1184 $$(BIN)/%.$(1) : $$(BIN)/%.$(1).zbin
1185 $$(QM)echo " [FINISH] $$@"
1187 $$(Q)$$(if $$(PAD_$(1)),$$(PAD_$(1)) $$@)
1188 $$(Q)$$(if $$(FINALISE_$(1)),$$(FINALISE_$(1)) $$@)
1191 # $(1) is the media name (e.g. "rom")
1193 define media_template_file
1194 @$(ECHO) " [MEDIARULES] $(1)"
1195 @$(MKDIR) -p $(BIN)/rules/$(dir $(1))
1196 @$(ECHO_E) '$(subst $(NEWLINE),\n,$(call media_template,$(1)))' \
1197 > $(BIN)/rules/$(1).media.r
1200 # Generate media rules files
1202 $(BIN)/rules/%.media.r : $(MAKEDEPS)
1203 $(call media_template_file,$*)
1205 # Calculate list of media rules files
1207 MEDIA_RULES = $(patsubst %,$(BIN)/rules/%.media.r,$(MEDIA))
1209 @$(ECHO) $(MEDIA_RULES)
1211 # Evaluate media rules (or include media rules files)
1214 ifneq ($(MEDIA_RULES),)
1215 ifneq ($(HAVE_EVAL),)
1216 $(foreach MEDIUM,$(MEDIA),$(eval $(call media_template,$(MEDIUM))))
1218 -include $(MEDIA_RULES)
1225 $(BIN)/etherboot.% : $(BIN)/ipxe.%
1226 ln -sf $(notdir $<) $@
1228 endif # defined(BIN)
1230 ###############################################################################
1232 # The compression utilities
1234 $(NRV2B) : util/nrv2b.c $(MAKEDEPS)
1235 $(QM)$(ECHO) " [HOSTCC] $@"
1236 $(Q)$(HOST_CC) $(HOST_CFLAGS) -DENCODE -DDECODE -DMAIN -DVERBOSE \
1237 -DNDEBUG -DBITSIZE=32 -DENDIAN=0 -o $@ $<
1240 $(ZBIN) : util/zbin.c util/nrv2b.c $(MAKEDEPS)
1241 $(QM)$(ECHO) " [HOSTCC] $@"
1242 $(Q)$(HOST_CC) $(HOST_CFLAGS) -o $@ $<
1245 ###############################################################################
1247 # The EFI image converter
1249 ELF2EFI_CFLAGS := -I$(BINUTILS_DIR)/include -I$(BFD_DIR)/include \
1250 -I$(ZLIB_DIR)/include -idirafter include
1251 ELF2EFI_LDFLAGS := -L$(BINUTILS_DIR)/lib -L$(BFD_DIR)/lib -L$(ZLIB_DIR)/lib \
1252 -lbfd -ldl -liberty -lz -Wl,--no-warn-search-mismatch
1254 $(ELF2EFI32) : util/elf2efi.c $(MAKEDEPS)
1255 $(QM)$(ECHO) " [HOSTCC] $@"
1256 $(Q)$(HOST_CC) $(HOST_CFLAGS) $(ELF2EFI_CFLAGS) -DEFI_TARGET_IA32 $< \
1257 $(ELF2EFI_LDFLAGS) -o $@
1258 CLEANUP += $(ELF2EFI32)
1260 $(ELF2EFI64) : util/elf2efi.c $(MAKEDEPS)
1261 $(QM)$(ECHO) " [HOSTCC] $@"
1262 $(Q)$(HOST_CC) $(HOST_CFLAGS) $(ELF2EFI_CFLAGS) -DEFI_TARGET_X64 $< \
1263 $(ELF2EFI_LDFLAGS) -o $@
1264 CLEANUP += $(ELF2EFI64)
1266 $(EFIROM) : util/efirom.c $(MAKEDEPS)
1267 $(QM)$(ECHO) " [HOSTCC] $@"
1268 $(Q)$(HOST_CC) $(HOST_CFLAGS) -idirafter include -o $@ $<
1269 CLEANUP += $(EFIROM)
1271 $(EFIFATBIN) : util/efifatbin.c $(MAKEDEPS)
1272 $(QM)$(ECHO) " [HOSTCC] $@"
1273 $(Q)$(HOST_CC) $(HOST_CFLAGS) -idirafter include -o $@ $<
1274 CLEANUP += $(EFIFATBIN)
1276 ###############################################################################
1278 # The ICC fixup utility
1280 $(ICCFIX) : util/iccfix.c $(MAKEDEPS)
1281 $(QM)$(ECHO) " [HOSTCC] $@"
1282 $(Q)$(HOST_CC) $(HOST_CFLAGS) -idirafter include -o $@ $<
1283 CLEANUP += $(ICCFIX)
1285 ###############################################################################
1287 # The error usage information utility
1289 $(EINFO) : util/einfo.c $(MAKEDEPS)
1290 $(QM)$(ECHO) " [HOSTCC] $@"
1291 $(Q)$(HOST_CC) $(HOST_CFLAGS) -idirafter include -o $@ $<
1294 ###############################################################################
1298 CONFIG_HEADERS := $(patsubst config/%,%,$(wildcard config/*.h))
1299 CONFIG_LOCAL_HEADERS := $(foreach HEADER,$(CONFIG_HEADERS),\
1300 config/local/$(HEADER))
1302 $(CONFIG_LOCAL_HEADERS) :
1305 .PRECIOUS : $(CONFIG_LOCAL_HEADERS)
1309 CONFIG_LOCAL_NAMED_HEADERS := $(foreach HEADER,$(CONFIG_HEADERS),\
1310 config/local/$(CONFIG)/$(HEADER))
1312 $(CONFIG_LOCAL_NAMED_HEADERS) :
1313 $(Q)$(MKDIR) -p $(dir $@)
1316 .PRECIOUS : $(CONFIG_LOCAL_NAMED_HEADERS)
1320 ###############################################################################
1322 # Auto-incrementing build serial number. Append "bs" to your list of
1323 # build targets to get a serial number printed at the end of the
1324 # build. Enable -DBUILD_SERIAL in order to see it when the code runs.
1326 BUILDSERIAL_H = config/.buildserial.h
1327 BUILDSERIAL_NOW = config/.buildserial.now
1328 BUILDSERIAL_NEXT = config/.buildserial.next
1330 $(BUILDSERIAL_NOW) $(BUILDSERIAL_NEXT) :
1333 $(BUILDSERIAL_H) : $(BUILDSERIAL_NOW) $(BUILDSERIAL_NEXT)
1334 $(ECHO) '#define BUILD_SERIAL_NUM $(shell cat $<)' > $@
1336 ifeq ($(filter bs,$(MAKECMDGOALS)),bs)
1337 $(shell diff -q $(BUILDSERIAL_NOW) $(BUILDSERIAL_NEXT) > /dev/null || \
1338 cp -f $(BUILDSERIAL_NEXT) $(BUILDSERIAL_NOW))
1341 bs : $(BUILDSERIAL_NOW)
1342 @$(ECHO) $$(( $(shell cat $<) + 1 )) > $(BUILDSERIAL_NEXT)
1343 @$(ECHO) "Build serial number is $(shell cat $<)"
1345 ###############################################################################
1347 # Build the TAGS file(s) for emacs
1350 ctags -e -R -f $@ --exclude=bin
1354 ###############################################################################
1356 # Force rebuild for any given target
1362 ###############################################################################
1364 # Symbol table checks
1369 SYMTAB = $(BIN)/symtab
1371 $(OBJDUMP) -w -t $< > $@
1373 CLEANUP += $(BIN)/symtab
1375 symcheck : $(SYMTAB)
1376 $(PERL) $(SYMCHECK) $<
1378 endif # defined(BIN)
1380 ###############################################################################
1382 # Build bochs symbol table
1387 $(BIN)/%.bxs : $(BIN)/%.tmp
1388 $(NM) $< | cut -d" " -f1,3 > $@
1390 endif # defined(BIN)
1392 ###############################################################################
1399 $(BIN)/doxygen.cfg : doxygen.cfg $(MAKEDEPS)
1400 $(Q)$(PERL) -pe 's{\@SRCDIRS\@}{$(SRCDIRS)}; ' \
1401 -e 's{\@INCDIRS\@}{$(filter-out .,$(INCDIRS))}; ' \
1402 -e 's{\@BIN\@}{$(BIN)}; ' \
1403 -e 's{\@ARCH\@}{$(ARCH)}; ' \
1406 $(BIN)/doc : $(BIN)/doxygen.cfg
1414 $(Q)$(RM) -r $(BIN)/doc
1416 VERYCLEANUP += $(BIN)/doc
1419 @[ -f $(BIN)/doc/html/index.html ] || $(MAKE) $(BIN)/doc
1420 @if [ -n "$$BROWSER" ] ; then \
1421 ( $$BROWSER $(BIN)/doc/html/index.html & ) ; \
1423 $(ECHO) "Documentation index in $(BIN)/doc/html/index.html" ; \
1426 endif # defined(BIN)
1428 ###############################################################################
1433 hci/keymap/keymap_%.c :
1434 $(Q)$(PERL) $(GENKEYMAP) $* > $@
1436 ###############################################################################
1438 # Force deletion of incomplete targets
1443 ###############################################################################
1448 ifeq ($(NUM_BINS),0)
1450 CLEANUP := $(patsubst $(BIN)/%,$(ALLBINS)/%,$(CLEANUP))
1451 VERYCLEANUP := $(patsubst $(BIN)/%,$(ALLBINS)/%,$(VERYCLEANUP))
1458 $(RM) -r $(VERYCLEANUP)