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src/Makefile.housekeeping
1 750 строк
48 KB
Michael Brown
[build] Enable strict shift overflow warnings
04 авг 2026, 02:19
04 авг 2026, 02:19
1e8f4fe
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# -*- makefile -*- : Force emacs to use Makefile mode # # This file contains various boring housekeeping functions that would # otherwise seriously clutter up the main Makefile. ############################################################################### # # Make syntax does not allow use of comma or space in certain places. # This ugly workaround is suggested in the manual. # COMMA := , EMPTY := SPACE := $(EMPTY) $(EMPTY) HASH := \# LPAREN := ( RPAREN := ) define NEWLINE endef ############################################################################### # # Find a usable "echo -e" substitute. # TAB := $(shell $(PRINTF) '\t') ECHO_E_ECHO := $(ECHO) ECHO_E_ECHO_E := $(ECHO) -e ECHO_E_BIN_ECHO := /bin/echo ECHO_E_BIN_ECHO_E := /bin/echo -e ECHO_E_ECHO_TAB := $(shell $(ECHO_E_ECHO) '\t' | cat) ECHO_E_ECHO_E_TAB := $(shell $(ECHO_E_ECHO_E) '\t' | cat) ECHO_E_BIN_ECHO_TAB := $(shell $(ECHO_E_BIN_ECHO) '\t') ECHO_E_BIN_ECHO_E_TAB := $(shell $(ECHO_E_BIN_ECHO_E) '\t') ifeq ($(ECHO_E_ECHO_TAB),$(TAB)) ECHO_E := $(ECHO_E_ECHO) endif ifeq ($(ECHO_E_ECHO_E_TAB),$(TAB)) ECHO_E := $(ECHO_E_ECHO_E) endif ifeq ($(ECHO_E_BIN_ECHO_TAB),$(TAB)) ECHO_E := $(ECHO_E_BIN_ECHO) endif ifeq ($(ECHO_E_BIN_ECHO_E_TAB),$(TAB)) ECHO_E := $(ECHO_E_BIN_ECHO_E) endif .echocheck : ifdef ECHO_E @$(TOUCH) $@ else @$(PRINTF) '%24s : x%sx\n' 'tab' '$(TAB)' @$(PRINTF) '%24s : x%sx\n' '"$(ECHO_E_ECHO) \t"' \ '$(ECHO_E_ECHO_TAB)' @$(PRINTF) '%24s : x%sx\n' '"$(ECHO_E_ECHO_E) \t"' \ '$(ECHO_E_ECHO_E_TAB)' @$(PRINTF) '%24s : x%sx\n' '"$(ECHO_E_BIN_ECHO) \t"' \ '$(ECHO_E_BIN_ECHO_TAB)' @$(PRINTF) '%24s : x%sx\n' '"$(ECHO_E_BIN_ECHO_E) \t"' \ '$(ECHO_E_BIN_ECHO_E_TAB)' @$(ECHO) "No usable \"echo -e\" substitute found" @exit 1 endif MAKEDEPS += .echocheck VERYCLEANUP += .echocheck echo : @$(ECHO) "Using \"$(ECHO_E)\" for \"echo -e\"" ############################################################################### # # Generate a usable "seq" substitute # define seq $(shell awk 'BEGIN { for ( i = $(1) ; i <= $(2) ; i++ ) print i }') endef ############################################################################### # # Determine host OS # HOST_OS := $(shell uname -s) hostos : @$(ECHO) $(HOST_OS) ############################################################################### # # Check if $(eval ...) is available to use # HAVE_EVAL := ifndef NO_EVAL $(eval HAVE_EVAL := yes) endif eval : @$(ECHO) $(HAVE_EVAL) ############################################################################### # # Build verbosity # ifeq ($(V),1) Q := QM := @\# else Q := @ QM := @ endif ############################################################################### # # Checker # ifeq ($(C),1) export REAL_CC := $(CC) CC := cgcc CFLAGS += -Wno-decl endif ############################################################################### # # Set BIN according to whatever was specified on the command line as # the build target. # # Determine how many different BIN directories are mentioned in the # make goals. # BIN_GOALS := $(filter bin bin/% bin-%,$(MAKECMDGOALS)) BIN_GOALS_BINS := $(sort $(foreach BG,$(BIN_GOALS),\ $(firstword $(subst /, ,$(BG))))) NUM_BINS := $(words $(BIN_GOALS_BINS)) ifeq ($(NUM_BINS),0) # No BIN directory was specified. Set BIN to "bin" as a sensible # default. BIN := bin else # NUM_BINS == 0 ifeq ($(NUM_BINS),1) # If exactly one BIN directory was specified, set BIN to match this # directory. # BIN := $(firstword $(BIN_GOALS_BINS)) else # NUM_BINS == 1 # More than one BIN directory was specified. We cannot handle the # latter case within a single make invocation, so set up recursive # targets for each BIN directory. Use exactly one target for each BIN # directory since running multiple make invocations within the same # BIN directory is likely to cause problems. # # Leave $(BIN) undefined. This has implications for any target that # depends on $(BIN); such targets should be made conditional upon the # existence of $(BIN). # BIN_GOALS_FIRST := $(foreach BGB,$(BIN_GOALS_BINS),\ $(firstword $(filter $(BGB)/%,$(BIN_GOALS)))) BIN_GOALS_OTHER := $(filter-out $(BIN_GOALS_FIRST),$(BIN_GOALS)) $(BIN_GOALS_FIRST) : % : BIN_RECURSE $(Q)$(MAKE) --no-print-directory BIN=$(firstword $(subst /, ,$@)) \ $(filter $(firstword $(subst /, ,$@))/%, $(BIN_GOALS)) $(BIN_GOALS_OTHER) : % : BIN_RECURSE $(Q)$(TRUE) .PHONY : BIN_RECURSE endif # NUM_BINS == 1 endif # NUM_BINS == 0 ifdef BIN # Create $(BIN) directory if it doesn't exist yet # ifeq ($(wildcard $(BIN)),) $(shell $(MKDIR) -p $(BIN)) endif # Target to allow e.g. "make bin-x86_64-efi arch" # $(BIN) : @# Do nothing, silently .PHONY : $(BIN) # Remove everything in $(BIN) for a "make clean" # CLEANUP += $(BIN)/*.* # Avoid picking up directories endif # defined(BIN) # Determine whether or not we need to include the dependency files # NO_DEP_TARGETS := $(BIN) clean veryclean ifeq ($(MAKECMDGOALS),) NEED_DEPS := 1 endif ifneq ($(strip $(filter-out $(NO_DEP_TARGETS),$(MAKECMDGOALS))),) NEED_DEPS := 1 endif # Mark the various build-tracking files as unannotated # UNANNOTATED := $(BIN)/.%.list ############################################################################### # # Select build architecture and platform based on $(BIN) # # BIN has the form bin[-[<arch>-]<platform>[-sb]] ARCHS := $(patsubst arch/%,%,$(wildcard arch/*)) PLATFORMS := $(patsubst config/defaults/%.h,%,\ $(wildcard config/defaults/*.h)) archs : @$(ECHO) $(ARCHS) platforms : @$(ECHO) $(PLATFORMS) ifdef BIN # Split $(BIN) into architecture, platform, and security flag (where present) BIN_ELEMENTS := $(subst -,$(SPACE),$(BIN)) BIN_APS := $(wordlist 2,4,$(BIN_ELEMENTS)) ifeq ($(lastword $(BIN_APS)),sb) BIN_AP := $(wordlist 2,$(words $(BIN_APS)),discard $(BIN_APS)) BIN_SECUREBOOT := sb else BIN_AP := $(BIN_APS) BIN_SECUREBOOT := endif ifeq ($(BIN_AP),efi) BIN_ARCH := i386 BIN_PLATFORM := efi else BIN_ARCH := $(word 1,$(BIN_AP)) BIN_PLATFORM := $(word 2,$(BIN_AP)) endif # Determine build architecture DEFAULT_ARCH := i386 ARCH := $(firstword $(BIN_ARCH) $(DEFAULT_ARCH)) CFLAGS += -DARCH=$(ARCH) arch : @$(ECHO) $(ARCH) .PHONY : arch # Determine build platform DEFAULT_PLATFORM_i386 := pcbios DEFAULT_PLATFORM_x86_64 := pcbios DEFAULT_PLATFORM_riscv32 := sbi DEFAULT_PLATFORM_riscv64 := sbi DEFAULT_PLATFORM := $(DEFAULT_PLATFORM_$(ARCH)) PLATFORM := $(firstword $(BIN_PLATFORM) $(DEFAULT_PLATFORM) none) CFLAGS += -DPLATFORM=$(PLATFORM) -DPLATFORM_$(PLATFORM) platform : @$(ECHO) $(PLATFORM) # Determine security flag SECUREBOOT := $(BIN_SECUREBOOT) secureboot : @$(ECHO) $(SECUREBOOT) # Set cross-compilation prefix automatically if not specified ifeq ($(CROSS_COMPILE),) CROSS_COMPILE := $(CROSS_COMPILE_$(ARCH)) endif # Set cross-compilation sysroot automatically if not specified ifeq ($(SYSROOT),) SYSROOT := $(SYSROOT_$(ARCH)) endif endif # defined(BIN) ############################################################################### # # Determine compiler CCDEFS := $(shell $(CC) -E -x c -c /dev/null -dM | cut -d" " -f2) ccdefs: @$(ECHO) $(CCDEFS) ifeq ($(filter __GNUC__,$(CCDEFS)),__GNUC__) CCTYPE := gcc endif cctype: @$(ECHO) $(CCTYPE) ############################################################################### # # Check for tools that can cause failed builds # ifeq ($(CCTYPE),gcc) GCC_2_96_BANNER := $(shell $(CC) -v 2>&1 | grep -is 'gcc version 2\.96') ifneq ($(GCC_2_96_BANNER),) $(warning gcc 2.96 is unsuitable for compiling iPXE) $(warning Use gcc 2.95 or a newer version instead) $(error Unsuitable build environment found) endif endif PERL_UNICODE_CHECK := $(shell $(PERL) -e 'use bytes; print chr(255)' | wc -c) ifeq ($(PERL_UNICODE_CHECK),2) $(warning Your Perl version has a Unicode handling bug) $(warning Execute this command before building iPXE:) $(warning export LANG=$${LANG%.UTF-8}) $(error Unsuitable build environment found) endif LD_GOLD_BANNER := $(shell $(LD) -v 2>&1 | grep 'GNU gold') ifneq ($(LD_GOLD_BANNER),) $(warning GNU gold is unsuitable for building iPXE) $(warning Use GNU ld instead) $(error Unsuitable build environment found) endif OBJCOPY_ETC_BANNER := $(shell $(OBJCOPY) --version | grep 'elftoolchain') ifneq ($(OBJCOPY_ETC_BANNER),) $(warning The elftoolchain objcopy is unsuitable for building iPXE) $(warning Use binutils objcopy instead) $(error Unsuitable build environment found) endif ############################################################################### # # Check for various tool workarounds # WORKAROUND_CFLAGS := WORKAROUND_ASFLAGS := WORKAROUND_LDFLAGS := # gcc 4.4 generates .eh_frame sections by default, which distort the # output of "size". Inhibit this. # ifeq ($(CCTYPE),gcc) CFI_TEST = $(CC) -fno-dwarf2-cfi-asm -fno-exceptions -fno-unwind-tables \ -fno-asynchronous-unwind-tables -x c -c /dev/null \ -o /dev/null >/dev/null 2>&1 CFI_FLAGS := $(shell $(CFI_TEST) && \ $(ECHO) '-fno-dwarf2-cfi-asm -fno-exceptions ' \ '-fno-unwind-tables -fno-asynchronous-unwind-tables') WORKAROUND_CFLAGS += $(CFI_FLAGS) endif # gcc 4.6 generates spurious warnings if -Waddress is in force. # Inhibit this. # ifeq ($(CCTYPE),gcc) WNA_TEST = $(CC) -Waddress -x c -c /dev/null -o /dev/null >/dev/null 2>&1 WNA_FLAGS := $(shell $(WNA_TEST) && $(ECHO) '-Wno-address') WORKAROUND_CFLAGS += $(WNA_FLAGS) # gcc 8.0 generates warnings for certain suspect string operations. Our # sources have been vetted for correct usage. Turn off these warnings. # WNST_TEST = $(CC) -Wstringop-truncation -x c -c /dev/null -o /dev/null \ >/dev/null 2>&1 WNST_FLAGS := $(shell $(WNST_TEST) && $(ECHO) '-Wno-stringop-truncation') WORKAROUND_CFLAGS += $(WNST_FLAGS) # gcc 9.1 generates warnings for taking address of packed member which # may result in an unaligned pointer value. Inhibit the warnings. # WNAPM_TEST = $(CC) -Wno-address-of-packed-member -x c -c /dev/null \ -o /dev/null >/dev/null 2>&1 WNAPM_FLAGS := $(shell $(WNAPM_TEST) && \ $(ECHO) '-Wno-address-of-packed-member') WORKAROUND_CFLAGS += $(WNAPM_FLAGS) endif # gcc 15 generates warnings for fixed-length character array # initializers that lack a terminating NUL. Inhibit the warnings. # WNUSI_TEST = $(CC) -Wunterminated-string-initialization -x c -c /dev/null \ -o /dev/null >/dev/null 2>&1 WNUSI_FLAGS := $(shell $(WNUSI_TEST) && \ $(ECHO) '-Wno-unterminated-string-initialization') WORKAROUND_CFLAGS += $(WNUSI_FLAGS) # Some versions of gas choke on division operators, treating them as # comment markers. Specifying --divide will work around this problem, # but isn't available on older gas versions. # DIVIDE_TEST = $(AS) --divide /dev/null -o /dev/null 2>/dev/null DIVIDE_FLAGS := $(shell $(DIVIDE_TEST) && $(ECHO) '--divide') WORKAROUND_ASFLAGS += $(DIVIDE_FLAGS) ############################################################################### # # Include architecture-specific Makefile # ifdef ARCH MAKEDEPS += arch/$(ARCH)/Makefile include arch/$(ARCH)/Makefile endif ############################################################################### # # Especially ugly workarounds # Some widespread patched versions of gcc include -fPIE -Wl,-pie by # default. Note that gcc will exit *successfully* if it fails to # recognise an option that starts with "no", so we have to test for # output on stderr instead of checking the exit status. # # Current versions of gcc require -no-pie; older versions require # -nopie. We therefore test for both. # # This workaround must be determined only after the # architecture-specific Makefile has been included, since some # platforms (e.g. bin-x86_64-efi) will explicitly require the use of # -fpie. # ifeq ($(filter -fpie,$(CFLAGS)),) ifeq ($(CCTYPE),gcc) PIE_TEST = [ -z "`$(CC) -fno-PIE -no-pie -x c -c /dev/null -o /dev/null 2>&1`" ] PIE_FLAGS := $(shell $(PIE_TEST) && $(ECHO) '-fno-PIE -no-pie') PIE_TEST2 = [ -z "`$(CC) -fno-PIE -nopie -x c -c /dev/null -o /dev/null 2>&1`" ] PIE_FLAGS2 := $(shell $(PIE_TEST2) && $(ECHO) '-fno-PIE -nopie') WORKAROUND_CFLAGS += $(PIE_FLAGS) $(PIE_FLAGS2) endif endif # Some widespread patched versions of gcc include -fcf-protection=full # by default. # ifeq ($(CCTYPE),gcc) CFP_TEST = $(CC) -fcf-protection=none -x c -c /dev/null -o /dev/null \ >/dev/null 2>&1 CFP_FLAGS := $(shell $(CFP_TEST) && $(ECHO) '-fcf-protection=none') WORKAROUND_CFLAGS += $(CFP_FLAGS) endif ############################################################################### # # Source file handling # SRCDIRS lists all directories containing source files. srcdirs : @$(ECHO) $(SRCDIRS) # SRCS lists all .c or .S files found in any SRCDIR # SRCS += $(wildcard $(patsubst %,%/*.c,$(SRCDIRS))) SRCS += $(wildcard $(patsubst %,%/*.S,$(SRCDIRS))) srcs : @$(ECHO) $(SRCS) # AUTO_SRCS lists all files in SRCS that are not mentioned in # NON_AUTO_SRCS. Files should be added to NON_AUTO_SRCS if they # cannot be built using the standard build template. # AUTO_SRCS = $(filter-out $(NON_AUTO_SRCS),$(SRCS)) autosrcs : @$(ECHO) $(AUTO_SRCS) # Just about everything else in this section depends upon having # $(BIN) set ifdef BIN # INCDIRS lists the include path incdirs : @$(ECHO) $(INCDIRS) # Inhibit -fstack-protector (which is implicitly enabled in some # patched gcc versions) unless explicitly mentioned in CFLAGS. # ifeq ($(findstring -fstack-protector,$(CFLAGS)),) CFLAGS += -fno-stack-protector endif # Common flags # CFLAGS += $(foreach INC,$(INCDIRS),-I$(INC)) CFLAGS += -Os CFLAGS += -g ifeq ($(CCTYPE),gcc) CFLAGS += -ffreestanding CFLAGS += -fno-common CFLAGS += -Wall -W -Wformat-nonliteral -Wshift-overflow=2 CFLAGS += -Wno-array-bounds -Wno-dangling-pointer HOST_CFLAGS += -Wall -W -Wformat-nonliteral -Wshift-overflow=2 HOST_CFLAGS += -Wno-array-bounds -Wno-dangling-pointer endif CFLAGS += $(WORKAROUND_CFLAGS) $(EXTRA_CFLAGS) ASFLAGS += $(WORKAROUND_ASFLAGS) $(EXTRA_ASFLAGS) LDFLAGS += $(WORKAROUND_LDFLAGS) $(EXTRA_LDFLAGS) HOST_CFLAGS += -O2 -g HOST_EFI_CFLAGS += -fshort-wchar # Inhibit -Werror if NO_WERROR is specified on make command line # ifneq ($(NO_WERROR),1) CFLAGS += -Werror ASFLAGS += --fatal-warnings HOST_CFLAGS += -Werror endif # Enable per-item sections and section garbage collection. Some older # versions of gcc issue a spurious and uninhibitable warning if # -ffunction-sections is used with -g, which would break our build # since we use -Werror. # ifeq ($(CCTYPE),gcc) DS_TEST = $(CC) -fdata-sections -c -x c /dev/null \ -o /dev/null 2>/dev/null DS_FLAGS := $(shell $(DS_TEST) && $(ECHO) '-fdata-sections') FS_TEST = $(CC) -ffunction-sections -g -c -x c /dev/null \ -o /dev/null 2>/dev/null FS_FLAGS := $(shell $(FS_TEST) && $(ECHO) '-ffunction-sections') CFLAGS += $(FS_FLAGS) $(DS_FLAGS) endif LDFLAGS += --gc-sections # Force creation of static binaries (required for OpenBSD, does no # harm on other platforms). # LDFLAGS += -static # Use separate code segment if supported by linker # ZSC_TEST = $(LD) -z separate-code --version 2>&1 > /dev/null ZSC_FLAGS := $(shell [ -z "`$(ZSC_TEST)`" ] && \ $(ECHO) '-z separate-code -z max-page-size=4096') LDFLAGS += $(ZSC_FLAGS) # compiler.h is needed for our linking and debugging system # CFLAGS += -include include/compiler.h # The section type character (e.g. "@" in "@progbits") varies by # architecture. # CFLAGS += -DASM_TCHAR='$(ASM_TCHAR)' -DASM_TCHAR_OPS='$(ASM_TCHAR_OPS)' # Inhibit the default -Dlinux # CFLAGS += -Ulinux # CFLAGS for specific object types # CFLAGS_c += CFLAGS_S += -DASSEMBLY # Base object name of the current target # OBJECT = $(firstword $(subst ., ,$(@F))) # CFLAGS for specific object files. You can define # e.g. CFLAGS_rtl8139, and have those flags automatically used when # compiling bin/rtl8139.o. # OBJ_CFLAGS = $(CFLAGS_$(OBJECT)) -DOBJECT=$(subst -,_,$(OBJECT)) $(BIN)/%.flags : @$(ECHO) $(OBJ_CFLAGS) # Debug level calculations # DBGLVL_MAX = -DDBGLVL_MAX=$(firstword $(subst ., ,$(1))) DBGLVL_DFLT = -DDBGLVL_DFLT=$(lastword $(subst ., ,$(1))) DBGLVL = $(call DBGLVL_MAX,$(1)) $(call DBGLVL_DFLT,$(1)) # Rules for specific object types. # COMPILE_c = $(CC) $(CFLAGS) $(CFLAGS_c) $(OBJ_CFLAGS) RULE_c = $(Q)$(COMPILE_c) -c $< -o $@ RULE_c_to_ids.o = $(Q)$(ECHO_E) '$(OBJ_IDS_ASM_NL)' | $(ASSEMBLE_S) -o $@ RULE_c_to_dbg%.o= $(Q)$(COMPILE_c) $(call DBGLVL,$*) -c $< -o $@ RULE_c_to_c = $(Q)$(COMPILE_c) -E -c $< > $@ RULE_c_to_s = $(Q)$(COMPILE_c) -S -g0 -c $< -o $@ PREPROCESS_S = $(CPP) $(CFLAGS) $(CFLAGS_S) $(OBJ_CFLAGS) ASSEMBLE_S = $(AS) $(ASFLAGS) RULE_S = $(Q)$(PREPROCESS_S) $< | $(ASSEMBLE_S) -o $@ RULE_S_to_dbg%.o= $(Q)$(PREPROCESS_S) $(call DBGLVL,$*) $< | $(ASSEMBLE_S) -o $@ RULE_S_to_s = $(Q)$(PREPROCESS_S) $< > $@ GENERIC_TARGETS += ids.o dbg%.o c s # List of embedded images included in the last build of embedded.o. # This is needed in order to correctly rebuild embedded.o whenever the # list of objects changes. # EMBED := $(EMBEDDED_IMAGE) # Maintain backwards compatibility EMBEDDED_LIST := $(BIN)/.embedded.list ifeq ($(wildcard $(EMBEDDED_LIST)),) EMBED_OLD := <invalid> else EMBED_OLD := $(shell cat $(EMBEDDED_LIST)) endif ifneq ($(EMBED_OLD),$(EMBED)) $(shell $(ECHO) "$(EMBED)" > $(EMBEDDED_LIST)) endif $(EMBEDDED_LIST) : $(MAKEDEPS) VERYCLEANUP += $(EMBEDDED_LIST) EMBEDDED_FILES := $(subst $(COMMA), ,$(EMBED)) EMBED_ALL := $(foreach i,$(call seq,1,$(words $(EMBEDDED_FILES))),\ EMBED ( $(i), \"$(word $(i), $(EMBEDDED_FILES))\",\ \"$(notdir $(word $(i),$(EMBEDDED_FILES)))\" )) embedded_DEPS += $(EMBEDDED_FILES) $(EMBEDDED_LIST) UNANNOTATED += $(EMBEDDED_FILES) $(EMBEDDED_LIST) CFLAGS_embedded = -DEMBED_ALL="$(EMBED_ALL)" # List of trusted root certificate configuration # TRUSTED_LIST := $(BIN)/.trusted.list ifeq ($(wildcard $(TRUSTED_LIST)),) TRUST_OLD := <invalid> else TRUST_OLD := $(shell cat $(TRUSTED_LIST)) endif TRUST_CFG := $(TRUST) $(TRUST_EXT) ifneq ($(TRUST_OLD),$(TRUST_CFG)) $(shell $(ECHO) "$(TRUST_CFG)" > $(TRUSTED_LIST)) endif $(TRUSTED_LIST) : $(MAKEDEPS) VERYCLEANUP += $(TRUSTED_LIST) # Trusted root certificate fingerprints # TRUSTED_CERTS := $(subst $(COMMA), ,$(TRUST)) TRUSTED_FPS := $(foreach CERT,$(TRUSTED_CERTS),\ 0x$(subst :,$(COMMA) 0x,$(lastword $(subst =, ,\ $(shell $(OPENSSL) x509 -in $(CERT) -noout -sha256 \ -fingerprint))))$(COMMA)) rootcert_DEPS += $(TRUSTED_FILES) $(TRUSTED_LIST) UNANNOTATED += $(TRUSTED_FILES) $(TRUSTED_LIST) CFLAGS_rootcert += $(if $(TRUST_EXT),-DALLOW_TRUST_OVERRIDE=$(TRUST_EXT)) CFLAGS_rootcert += $(if $(TRUSTED_FPS),-DTRUSTED="$(TRUSTED_FPS)") # List of embedded certificates # CERT_LIST := $(BIN)/.certificate.list ifeq ($(wildcard $(CERT_LIST)),) CERT_OLD := <invalid> else CERT_OLD := $(shell cat $(CERT_LIST)) endif ifneq ($(CERT_OLD),$(CERT)) $(shell $(ECHO) "$(CERT)" > $(CERT_LIST)) endif $(CERT_LIST) : $(MAKEDEPS) VERYCLEANUP += $(CERT_LIST) # Embedded certificates concatenated and then split into one file per # certificate (even if original files contained certificate chains) # CERT_FILES := $(subst $(COMMA), ,$(CERT)) CERT_CONCAT := $(BIN)/.certificates.pem ifneq ($(CERT),) CERT_COUNT := $(shell grep "BEGIN CERTIFICATE" $(CERT_FILES) | wc -l) $(CERT_CONCAT) : $(CERT_FILES) $(CERT_LIST) $(Q)cat $(CERT_FILES) > $@ # We must use an (otherwise unnecessary) pattern rule here to encode # the fact that one "csplit" command generates multiple targets CERT_PEMS := $(foreach i,$(call seq,1,$(CERT_COUNT)),\ $(BIN)/.certificate.pem.$(i)) $(subst .pem.,.%.,$(CERT_PEMS)) : $(BIN)/.certificates.% $(Q)$(CSPLIT) -q -n 1 -f $(BIN)/.certificate.pem. $< \ '/BEGIN CERTIFICATE/' '{*}' CERT_DERS := $(subst .certificate.pem.,.certificate.der.,$(CERT_PEMS)) $(BIN)/.certificate.der.% : $(BIN)/.certificate.pem.% $(Q)$(OPENSSL) x509 -in $< -outform DER -out $@ CERT_ALL := $(foreach i,$(call seq,1,$(CERT_COUNT)),\ CERT ( $(i), \"$(word $(i),$(CERT_DERS))\" )) endif certstore_DEPS += $(CERT_LIST) $(CERT_FILES) $(CERT_PEMS) $(CERT_DERS) UNANNOTATED += $(CERT_LIST) $(CERT_FILES) $(CERT_PEMS) $(CERT_DERS) CFLAGS_certstore += -DCERT_ALL="$(CERT_ALL)" CLEANUP += $(BIN)/.certificate.* $(BIN)/.certificates.* # (Single-element) list of private keys # ifdef KEY PRIVKEY := $(KEY) # Maintain backwards compatibility endif PRIVKEY_LIST := $(BIN)/.private_key.list ifeq ($(wildcard $(PRIVKEY_LIST)),) PRIVKEY_OLD := <invalid> else PRIVKEY_OLD := $(shell cat $(PRIVKEY_LIST)) endif ifneq ($(PRIVKEY_OLD),$(PRIVKEY)) $(shell $(ECHO) "$(PRIVKEY)" > $(PRIVKEY_LIST)) endif $(PRIVKEY_LIST) : $(MAKEDEPS) VERYCLEANUP += $(PRIVKEY_LIST) # Embedded private key # PRIVKEY_INC := $(BIN)/.private_key.der ifdef PRIVKEY $(PRIVKEY_INC) : $(PRIVKEY) $(PRIVKEY_LIST) $(Q)$(OPENSSL) rsa -in $< -outform DER -out $@ privkey_DEPS += $(PRIVKEY_INC) UNANNOTATED += $(PRIVKEY_INC) endif CLEANUP += $(BIN)/.private_key.* privkey_DEPS += $(PRIVKEY_LIST) UNANNOTATED += $(PRIVKEY_LIST) CFLAGS_privkey += $(if $(PRIVKEY),-DPRIVATE_KEY="\"$(PRIVKEY_INC)\"") # (Single-element) list of named configurations # CONFIG_LIST := $(BIN)/.config.list ifeq ($(wildcard $(CONFIG_LIST)),) CONFIG_OLD := <invalid> else CONFIG_OLD := $(shell cat $(CONFIG_LIST)) endif ifneq ($(CONFIG_OLD),$(CONFIG)) $(shell $(ECHO) "$(CONFIG)" > $(CONFIG_LIST)) endif $(CONFIG_LIST) : $(MAKEDEPS) VERYCLEANUP += $(CONFIG_LIST) # Named configurations # ifneq ($(CONFIG),) ifneq ($(wildcard config/$(CONFIG)),) CFLAGS += -DCONFIG=$(CONFIG) endif CFLAGS += -DLOCAL_CONFIG=$(CONFIG) endif config/named.h : $(CONFIG_LIST) $(Q)$(TOUCH) $@ .PRECIOUS : config/named.h # (Single-element) list of assertion configuration # ASSERT_LIST := $(BIN)/.assert.list ifeq ($(wildcard $(ASSERT_LIST)),) ASSERT_OLD := <invalid> else ASSERT_OLD := $(shell cat $(ASSERT_LIST)) endif ifneq ($(ASSERT_OLD),$(ASSERT)) $(shell $(ECHO) "$(ASSERT)" > $(ASSERT_LIST)) endif $(ASSERT_LIST) : $(MAKEDEPS) VERYCLEANUP += $(ASSERT_LIST) # Assertion configuration # ifneq ($(ASSERT),) CFLAGS += -DASSERTING=$(ASSERT) endif include/assert.h : $(ASSERT_LIST) $(Q)$(TOUCH) $@ .PRECIOUS : include/assert.h # (Single-element) list of profiling configuration # PROFILE_LIST := $(BIN)/.profile.list ifeq ($(wildcard $(PROFILE_LIST)),) PROFILE_OLD := <invalid> else PROFILE_OLD := $(shell cat $(PROFILE_LIST)) endif ifneq ($(PROFILE_OLD),$(PROFILE)) $(shell $(ECHO) "$(PROFILE)" > $(PROFILE_LIST)) endif $(PROFILE_LIST) : $(MAKEDEPS) VERYCLEANUP += $(PROFILE_LIST) # Profiling configuration # ifneq ($(PROFILE),) CFLAGS += -DPROFILING=$(PROFILE) endif include/ipxe/profile.h : $(PROFILE_LIST) $(Q)$(TOUCH) $@ .PRECIOUS : include/ipxe/profile.h # (Single-element) list of function recorder configuration # FNREC_LIST := $(BIN)/.fnrec.list ifeq ($(wildcard $(FNREC_LIST)),) FNREC_OLD := <invalid> else FNREC_OLD := $(shell cat $(FNREC_LIST)) endif ifneq ($(FNREC_OLD),$(FNREC)) $(shell $(ECHO) "$(FNREC)" > $(FNREC_LIST)) endif $(FNREC_LIST) : $(MAKEDEPS) VERYCLEANUP += $(FNREC_LIST) # Function recorder configuration # ifeq ($(FNREC),1) # Enabling -finstrument-functions affects gcc's analysis and leads to spurious # warnings about use of uninitialised variables. # CFLAGS += -Wno-uninitialized CFLAGS += -finstrument-functions CFLAGS += -finstrument-functions-exclude-file-list=core/fnrec.c endif include/compiler.h : $(FNREC_LIST) $(Q)$(TOUCH) $@ .PRECIOUS : include/compiler.h # These files use .incbin inline assembly to include a binary file. # Unfortunately ccache does not detect this dependency and caches # builds even when the binary file has changed. # $(BIN)/embedded.% : override CC := env CCACHE_DISABLE=1 $(CC) $(BIN)/certstore.% : override CC := env CCACHE_DISABLE=1 $(CC) $(BIN)/privkey.% : override CC := env CCACHE_DISABLE=1 $(CC) # Debug message autocolourisation range # DBGCOL_LIST := $(BIN)/.dbgcol.list ifeq ($(wildcard $(DBGCOL_LIST)),) DBGCOL_OLD := <invalid> else DBGCOL_OLD := $(shell cat $(DBGCOL_LIST)) endif ifneq ($(DBGCOL_OLD),$(DBGCOL)) $(shell $(ECHO) "$(DBGCOL)" > $(DBGCOL_LIST)) endif $(DBGCOL_LIST) : $(MAKEDEPS) VERYCLEANUP += $(DBGCOL_LIST) DBGCOL_COLOURS := $(subst -, ,$(DBGCOL)) DBGCOL_MIN := $(firstword $(DBGCOL_COLOURS)) DBGCOL_MAX := $(lastword $(DBGCOL_COLOURS)) debug_DEPS += $(DBGCOL_LIST) CFLAGS_debug += $(if $(DBGCOL_MIN),-DDBGCOL_MIN=$(DBGCOL_MIN)) CFLAGS_debug += $(if $(DBGCOL_MAX),-DDBGCOL_MAX=$(DBGCOL_MAX)) # We automatically generate rules for any file mentioned in AUTO_SRCS # using the following set of templates. We use $(eval ...) if # available, otherwise we generate separate Makefile fragments and # include them. # deps_template : generate dependency list for a given source file # # $(1) is the full path to the source file (e.g. "drivers/net/rtl8139.c") # define deps_template_file $(call deps_template_parts,$(1),$(subst .,,$(suffix $(1))),$(basename $(notdir $(1)))) endef # # $(1) is the full path to the source file (e.g. "drivers/net/rtl8139.c") # $(2) is the source type (e.g. "c") # $(3) is the source base name (e.g. "rtl8139") # define deps_template_parts @$(ECHO) " [DEPS] $(1)" @$(MKDIR) -p $(BIN)/deps/$(dir $(1)) $(Q)$(CPP) $(CFLAGS) $(CFLAGS_$(2)) $(CFLAGS_$(3)) -DOBJECT=$(3) \ -Wno-error -M $(1) -MG -MP | \ sed 's/\.o[[:blank:]]*:/_DEPS +=/' > $(BIN)/deps/$(1).d endef # rules_template : generate rules for a given source file # # $(1) is the full path to the source file (e.g. "drivers/net/rtl8139.c") # define rules_template $(call rules_template_parts,$(1),$(subst .,,$(suffix $(1))),$(basename $(notdir $(1)))) endef # # $(1) is the full path to the source file (e.g. "drivers/net/rtl8139.c") # $(2) is the source type (e.g. "c") # $(3) is the source base name (e.g. "rtl8139") # define rules_template_parts $$(BIN)/$(3).o : $(1) $$(MAKEDEPS) $$($(3)_DEPS) $$(QM)$(ECHO) " [BUILD] $$@" $$(RULE_$(2)) BOBJS += $$(BIN)/$(3).o $(foreach TGT,$(GENERIC_TARGETS),$(if $(RULE_$(2)_to_$(TGT)),$(NEWLINE)$(call rules_template_target,$(1),$(2),$(3),$(TGT)))) $$(BIN)/deps/$(1).d : $$($(3)_DEPS) TAGS : $$($(3)_DEPS) endef # # $(1) is the full path to the source file (e.g. "drivers/net/rtl8139.c") # $(2) is the source type (e.g. "c") # $(3) is the source base name (e.g. "rtl8139") # $(4) is the destination type (e.g. "dbg%.o") # define rules_template_target $$(BIN)/$(3).$(4) : $(1) $$(MAKEDEPS) $$($(3)_DEPS) $$(QM)$(ECHO) " [BUILD] $$@" $$(RULE_$(2)_to_$(4)) $(TGT)_OBJS += $$(BIN)/$(3).$(4) endef # # $(1) is the full path to the source file (e.g. "drivers/net/rtl8139.c") # define rules_template_file @$(ECHO) " [RULES] $(1)" @$(MKDIR) -p $(BIN)/rules/$(dir $(1)) @$(ECHO_E) '$(subst $(NEWLINE),\n,$(call rules_template,$(1)))' \ > $(BIN)/rules/$(1).r endef # Generate the dependency files # $(BIN)/deps/%.d : % $(MAKEDEPS) $(call deps_template_file,$<) # Calculate list of dependency files # AUTO_DEPS = $(patsubst %,$(BIN)/deps/%.d,$(AUTO_SRCS) core/version.c) autodeps : @$(ECHO) $(AUTO_DEPS) VERYCLEANUP += $(BIN)/deps # Include dependency files # ifdef NEED_DEPS ifneq ($(AUTO_DEPS),) -include $(AUTO_DEPS) endif endif # Generate the rules files # $(BIN)/rules/%.r : % $(MAKEDEPS) $(call rules_template_file,$<) # Calculate list of rules files # AUTO_RULES = $(patsubst %,$(BIN)/rules/%.r,$(AUTO_SRCS)) autorules : @$(ECHO) $(AUTO_RULES) VERYCLEANUP += $(BIN)/rules # Evaluate rules (or include rules files) # ifdef NEED_DEPS ifneq ($(AUTO_RULES),) ifneq ($(HAVE_EVAL),) $(foreach SRC,$(AUTO_SRCS),$(eval $(call rules_template,$(SRC)))) else -include $(AUTO_RULES) endif endif endif # Files to be parsed using parserom.pl # ROM_SRCS = $(foreach SRC,$(AUTO_SRCS),\ $(if $(findstring drivers/,$(SRC)),$(SRC))) romsrcs : @$(ECHO) $(ROM_SRCS) # List of files to be parsed using parserom.pl # ROM_SRCS_LIST := $(BIN)/.rom.list ifeq ($(wildcard $(ROM_SRCS_LIST)),) ROM_SRCS_OLD := <invalid> else ROM_SRCS_OLD := $(shell cat $(ROM_SRCS_LIST)) endif ifneq ($(ROM_SRCS_OLD),$(ROM_SRCS)) $(shell $(ECHO) "$(ROM_SRCS)" > $(ROM_SRCS_LIST)) endif $(ROM_SRCS_LIST) : $(MAKEDEPS) VERYCLEANUP += $(ROM_SRCS_LIST) # ROM definition file # ROMDEFS = $(BIN)/.rom.defs $(ROMDEFS) : $(ROM_SRCS) $(ROM_SRCS_LIST) $(PARSEROM) $(MAKEDEPS) $(QM)$(ECHO) " [PARSEROM]" $(Q)$(PERL) $(PARSEROM) $(ROM_SRCS) > $@ VERYCLEANUP += $(ROMDEFS) # Evaluate ROM definition file ifdef NEED_DEPS ifneq ($(ROM_SRCS),) -include $(ROMDEFS) endif endif # Device ID tables (using IDs from ROM definition file) # define obj_pci_id_asm .section ".note.GNU-stack", "", $(ASM_TCHAR)progbits .section ".pci_devlist.$(1)", "a", $(ASM_TCHAR)progbits .globl pci_devlist_$(1) pci_devlist_$(1): .short ( 0x$(1) & 0xffff ) endef define obj_isa_id_asm endef OBJ_IDS_ASM = $(foreach ROM,$(ROMS_$(OBJECT)),$(call obj_$(ROM_TYPE_$(ROM))_id_asm,$(ROM))) OBJ_IDS_ASM_NL = $(subst $(NEWLINE),\n,$(OBJ_IDS_ASM)) $(BIN)/%.ids : @$(ECHO_E) '$(OBJ_IDS_ASM_NL)' BOBJS += $(patsubst %,$(BIN)/%.ids.o,$(DRIVERS)) # The following variables are created by the autogenerated rules # bobjs : @$(ECHO) $(BOBJS) drivers_% : @$(ECHO) $(DRIVERS_$*) drivers : @$(ECHO) $(DRIVERS) .PHONY : drivers roms : @$(ECHO) $(ROMS) # Generate error usage information # $(BIN)/%.einfo : $(BIN)/%.o $(QM)$(ECHO) " [EINFO] $@" $(Q)$(OBJCOPY) -O binary -j .einfo --set-section-flags .einfo=alloc \ $< $@ EINFOS := $(patsubst $(BIN)/%.o,$(BIN)/%.einfo,$(BOBJS)) $(BIN)/errors : $(EINFOS) $(EINFO) $(QM)$(ECHO) " [EINFO] $@" $(Q)$(EINFO) $(EINFOS) | sort > $@ CLEANUP += $(BIN)/errors # Doesn't match the $(BIN)/*.* pattern # Generate the NIC file from the parsed source files. The NIC file is # only for rom-o-matic. # $(BIN)/NIC : $(AUTO_DEPS) @$(ECHO) '# This is an automatically generated file, do not edit' > $@ @$(ECHO) '# It does not affect anything in the build, ' \ 'it is only for rom-o-matic' >> $@ @$(ECHO) >> $@ @perl -ne 'chomp; print "$$1\n" if /\# NIC\t(.*)$$/' $^ >> $@ CLEANUP += $(BIN)/NIC # Doesn't match the $(BIN)/*.* pattern # Analyse a target name (e.g. "bin/dfe538--prism2_pci.rom.tmp") and # derive the variables: # # TGT_ELEMENTS : the elements of the target (e.g. "dfe538 prism2_pci") # TGT_PREFIX : the prefix type (e.g. "pcirom") # TGT_DRIVERS : the driver for each element (e.g. "rtl8139 prism2_pci") # TGT_ROM_NAME : the ROM name (e.g. "dfe538") # TGT_ELEMENTS = $(subst --, ,$(firstword $(subst ., ,$(notdir $@)))) TGT_ROM_NAME = $(firstword $(TGT_ELEMENTS)) TGT_DRIVERS = $(strip $(foreach TGT_ELEMENT,$(TGT_ELEMENTS), \ $(if $(DRIVERS_$(TGT_ELEMENT)), \ $(DRIVERS_$(TGT_ELEMENT)), \ $(firstword $(DRIVER_$(TGT_ELEMENT)) \ $(TGT_ELEMENT))))) TGT_PREFIX_NAME = $(word 2,$(subst ., ,$(notdir $@))) TGT_PREFIX = $(strip $(if $(filter rom,$(TGT_PREFIX_NAME)), \ $(ROM_TYPE_$(TGT_ROM_NAME))rom, \ $(TGT_PREFIX_NAME))) # Look up ROM IDs for the current target # (e.g. "bin/dfe538--prism2_pci.rom.tmp") and derive the variables: # # TGT_PCI_VENDOR : the PCI vendor ID (e.g. "0x1186") # TGT_PCI_DEVICE : the PCI device ID (e.g. "0x1300") # TGT_PCI_VENDOR = $(PCI_VENDOR_$(TGT_ROM_NAME)) TGT_PCI_DEVICE = $(PCI_DEVICE_$(TGT_ROM_NAME)) # Calculate link-time options for the current target # (e.g. "bin/dfe538--prism2_pci.rom.tmp") and derive the variables: # # TGT_LD_DRIVERS : symbols to require in order to drag in the relevant drivers # (e.g. "obj_rtl8139 obj_prism2_pci") # TGT_LD_IDS : symbols to define in order to fill in ID structures in the # ROM header (e.g."pci_vendor_id=0x1186 pci_device_id=0x1300") # TGT_LD_DRIVERS = $(subst -,_,$(patsubst %,obj_%,$(TGT_DRIVERS))) TGT_LD_IDS = pci_vendor_id=$(firstword $(TGT_PCI_VENDOR) 0) \ pci_device_id=$(firstword $(TGT_PCI_DEVICE) 0) TGT_LD_DEVLIST = $(foreach ELEM,$(TGT_ELEMENTS),$(if $(PCI_VENDOR_$(ELEM)),\ pci_devlist_$(patsubst 0x%,%,$(PCI_VENDOR_$(ELEM)))$(patsubst 0x%,%,$(PCI_DEVICE_$(ELEM))))) TGT_LD_ENTRY = _$(TGT_PREFIX)_start # Calculate linker flags based on link-time options for the current # target type (e.g. "bin/dfe538--prism2_pci.rom.tmp") and derive the # variables: # # TGT_LD_FLAGS : target-specific flags to pass to linker (e.g. # "-u obj_zpciprefix -u obj_rtl8139 -u obj_prism2_pci # --defsym pci_vendor=0x1186 --defsym pci_device=0x1300") # TGT_LD_FLAGS = $(foreach SYM,$(TGT_LD_ENTRY) $(TGT_LD_DRIVERS) \ $(TGT_LD_DEVLIST) obj_config obj_config_$(PLATFORM),\ -u $(SYMBOL_PREFIX)$(SYM) \ --defsym check_$(SYM)=$(SYMBOL_PREFIX)$(SYM) ) \ $(patsubst %,--defsym %,$(TGT_LD_IDS)) \ -e $(SYMBOL_PREFIX)$(TGT_LD_ENTRY) # Calculate list of debugging versions of objects to be included in # the target. # DEBUG_LIST = $(subst $(COMMA), ,$(DEBUG)) DEBUG_MAX = $(firstword $(word 2,$(subst :, ,$(1))) 1) DEBUG_DFLT = $(if $(word 3,$(subst :, ,$(1))),.$(word 3,$(subst :, ,$(1)))) DEBUG_LEVEL = $(call DEBUG_MAX,$(1))$(call DEBUG_DFLT,$(1)) DEBUG_BASE = $(firstword $(subst :, ,$(1))).dbg$(call DEBUG_LEVEL,$(1)) DEBUG_OBJ = $(BIN)/$(call DEBUG_BASE,$(1)).o DEBUG_ORIG_OBJ = $(BIN)/$(firstword $(subst :, ,$(1))).o DEBUG_OBJS = $(foreach D,$(DEBUG_LIST),$(call DEBUG_OBJ,$(D))) DEBUG_ORIG_OBJS = $(foreach D,$(DEBUG_LIST),$(call DEBUG_ORIG_OBJ,$(D))) BLIB_OBJS = $(DEBUG_OBJS) $(filter-out $(DEBUG_ORIG_OBJS),$(BOBJS)) # Print out all derived information for a given target. # $(BIN)/%.info : @$(ECHO) 'Elements : $(TGT_ELEMENTS)' @$(ECHO) 'Prefix : $(TGT_PREFIX)' @$(ECHO) 'Drivers : $(TGT_DRIVERS)' @$(ECHO) 'ROM name : $(TGT_ROM_NAME)' @$(ECHO) @$(ECHO) 'PCI vendor : $(TGT_PCI_VENDOR)' @$(ECHO) 'PCI device : $(TGT_PCI_DEVICE)' @$(ECHO) @$(ECHO) 'LD driver symbols : $(TGT_LD_DRIVERS)' @$(ECHO) 'LD ID symbols : $(TGT_LD_IDS)' @$(ECHO) 'LD devlist symbols : $(TGT_LD_DEVLIST)' @$(ECHO) 'LD entry point : $(TGT_LD_ENTRY)' @$(ECHO) @$(ECHO) 'LD target flags : $(TGT_LD_FLAGS)' @$(ECHO) @$(ECHO) 'Debugging objects : $(DEBUG_OBJS)' @$(ECHO) 'Replaced objects : $(DEBUG_ORIG_OBJS)' # List of objects included in the last build of blib. This is needed # in order to correctly rebuild blib whenever the list of objects # changes. # BLIB_LIST := $(BIN)/.blib.list ifeq ($(wildcard $(BLIB_LIST)),) BLIB_OBJS_OLD := <invalid> else BLIB_OBJS_OLD := $(shell cat $(BLIB_LIST)) endif ifneq ($(BLIB_OBJS_OLD),$(BLIB_OBJS)) $(shell $(ECHO) "$(BLIB_OBJS)" > $(BLIB_LIST)) endif $(BLIB_LIST) : $(MAKEDEPS) VERYCLEANUP += $(BLIB_LIST) # Library of all objects # BLIB = $(BIN)/blib.a $(BLIB) : $(BLIB_OBJS) $(BLIB_LIST) $(MAKEDEPS) $(Q)$(RM) $(BLIB) $(QM)$(ECHO) " [AR] $@" $(Q)$(AR) rcD $@ $(sort $(BLIB_OBJS)) $(Q)$(OBJCOPY) --enable-deterministic-archives \ --prefix-symbols=$(SYMBOL_PREFIX) $@ $(Q)$(RANLIB) -D $@ blib : $(BLIB) # Command to generate build ID. Must be unique for each $(BIN)/%.tmp, # even within the same build run. # # The build ID is supposed to be collision-free across all ROMs that # might ever end up installed in the same system. It doesn't just # disambiguate targets within a single build; it also disambiguates # different builds (such as builds for multiple ROMs all built from # the same blib.a). # BUILD_ID_CMD = cat $^ | cksum | awk '{print $$1}' # Build timestamp # # Used as a means to automatically select the newest version of iPXE # if multiple iPXE drivers are loaded concurrently in a UEFI system. # # It gets rounded down to the nearest minute when used for this # purpose. # ifdef SOURCE_DATE_EPOCH BUILD_TIMESTAMP := $(SOURCE_DATE_EPOCH) else BUILD_TIMESTAMP := $(shell date +%s) endif # Build version # GIT_INDEX := $(if $(GITVERSION),$(if $(wildcard ../.git/index),../.git/index)) $(BIN)/version.%.o : core/version.c $(MAKEDEPS) $(version_DEPS) $(GIT_INDEX) $(QM)$(ECHO) " [VERSION] $@" $(Q)$(COMPILE_c) -DBUILD_NAME="\"$*\"" \ -DVERSION_MAJOR=$(VERSION_MAJOR) \ -DVERSION_MINOR=$(VERSION_MINOR) \ -DVERSION_PATCH=$(VERSION_PATCH) \ -DVERSION="\"$(VERSION)\"" \ -c $< -o $@ $(Q)$(OBJCOPY) --prefix-symbols=$(SYMBOL_PREFIX) $@ $(BIN)/deps/core/version.c.d : $(version_DEPS) # Build an intermediate object file from the objects required for the # specified target. # $(BIN)/%.tmp : $(BIN)/version.%.o $(BLIB) $(MAKEDEPS) $(LDSCRIPT) $(QM)$(ECHO) " [LD] $@" $(Q)$(LD) $(LDFLAGS) -T $(LDSCRIPT) $(TGT_LD_FLAGS) $< $(BLIB) -o $@ \ --defsym _build_id=$(shell $(BUILD_ID_CMD)) \ --defsym _build_timestamp=$(BUILD_TIMESTAMP) \ -Map $(BIN)/$*.tmp.map $(Q)$(OBJDUMP) -ht $@ | $(PERL) $(SORTOBJDUMP) >> $(BIN)/$*.tmp.map # Keep intermediate object file (useful for debugging) .PRECIOUS : $(BIN)/%.tmp # Show a linker map for the specified target # $(BIN)/%.map : $(BIN)/%.tmp @less $(BIN)/$*.tmp.map # Get objects list for the specified target # define objs_list $(sort $(foreach OBJ_SYMBOL,\ $(filter obj_%,$(shell $(NM) $(1) | cut -d" " -f3)),\ $(patsubst obj_%,%,$(OBJ_SYMBOL)))) endef $(BIN)/%.objs : $(BIN)/%.tmp $(Q)$(ECHO) $(call objs_list,$<) $(BIN)/%.sizes : $(BIN)/%.tmp $(Q)$(SIZE) -t $(foreach OBJ,$(call objs_list,$<),$(wildcard $(BIN)/$(subst _,?,$(OBJ)).o)) | \ sort -g # Get dependency list for the specified target # define deps_list $(sort $(foreach OBJ,$(call objs_list,$(1)),$($(OBJ)_DEPS))) endef $(BIN)/%.deps : $(BIN)/%.tmp $(Q)$(ECHO) $(call deps_list,$<) # Get unneeded source files for the specified target # define nodeps_list $(sort $(filter-out $(call deps_list,$(1)),\ $(foreach BOBJ,$(BOBJS),\ $($(basename $(notdir $(BOBJ)))_DEPS)))) endef $(BIN)/%.nodeps : $(BIN)/%.tmp $(Q)$(ECHO) $(call nodeps_list,$<) # Get annotated dependency list for the specified target # define annotated_deps_list $(filter-out $(UNANNOTATED),$(call deps_list,$(1))) endef # Get dependency list missing specified declaration for the specified target # define undeclared_deps_list $(shell grep -L '^[[:space:]]*$(2)[[:space:]]*$(LPAREN)' \ $(call annotated_deps_list,$(1))) endef # Get licensing verdict for the specified target # define unlicensed_deps_list $(call undeclared_deps_list,$(1),FILE_LICENCE) endef define licence_list $(sort $(foreach LICENCE,\ $(filter __licence__%,$(shell $(NM) $(1) | cut -d" " -f3)),\ $(word 2,$(subst __, ,$(LICENCE))))) endef $(BIN)/%.licence_list : $(BIN)/%.tmp $(Q)$(ECHO) $(call licence_list,$<) $(BIN)/%.licence : $(BIN)/%.tmp $(QM)$(ECHO) " [LICENCE] $@" $(Q)$(if $(strip $(call unlicensed_deps_list,$<)),\ echo -n "The following files are missing a FILE_LICENCE() " ;\ echo "declaration:" ;\ echo $(call unlicensed_deps_list,$<);\ exit 1) $(PERL) $(LICENCE) $(call licence_list,$<) # Get Secure Boot permissibility verdict for the specified target # define nosecboot_deps_list $(call undeclared_deps_list,$(1),FILE_SECBOOT) endef define secboot_list $(sort $(foreach SECBOOT,\ $(filter __secboot__%,$(shell $(NM) $(1) | cut -d" " -f3)),\ $(word 2,$(subst __, ,$(SECBOOT))))) endef $(BIN)/%.secboot : $(BIN)/%.tmp $(QM)$(ECHO) " [SECBOOT] $@" $(Q)$(if $(strip $(call nosecboot_deps_list,$<)),\ echo -n "The following files are missing a FILE_SECBOOT() " ;\ echo "declaration:" ;\ echo $(call nosecboot_deps_list,$<);\ exit 1) $(Q)$(if $(strip $(filter-out permitted,$(call secboot_list,$<))),\ echo -n "This build includes files that are not permitted " ;\ echo "to be signed for UEFI Secure Boot" ;\ exit 1) # Extract compression information from intermediate object file # $(BIN)/%.zinfo : $(BIN)/%.tmp $(QM)$(ECHO) " [ZINFO] $@" $(Q)$(OBJCOPY) -O binary -j .zinfo $< $@ # Build raw binary file from intermediate object file # $(BIN)/%.bin : $(BIN)/%.tmp $(QM)$(ECHO) " [BIN] $@" $(Q)$(OBJCOPY) -O binary -R .zinfo $< $@ # Compress raw binary file # $(BIN)/%.zbin : $(BIN)/%.bin $(BIN)/%.zinfo $(ZBIN) $(QM)$(ECHO) " [ZBIN] $@" $(Q)$(ZBIN) $(BIN)/$*.bin $(BIN)/$*.zinfo > $@ # Rules for each media format. These are generated and placed in an # external Makefile fragment. We could do this via $(eval ...), but # that would require make >= 3.80. # # Note that there's an alternative way to generate most .rom images: # they can be copied from their 'master' ROM image using cp and # reprocessed with makerom to add the PCI IDs and ident string. The # relevant rule would look something like: # # $(BIN)/dfe538%rom : $(BIN)/rtl8139%rom # cat $< $@ # $(FINALISE_rom) # # You can derive the ROM/driver relationships using the variables # DRIVER_<rom> and/or ROMS_<driver>. # # We don't currently do this, because (a) it would require generating # yet more Makefile fragments (since you need a rule for each ROM in # ROMS), and (b) the linker is so fast that it probably wouldn't make # much difference to the overall build time. # Add NON_AUTO_MEDIA to the media list, so that they show up in the # output of "make" # MEDIA += $(NON_AUTO_MEDIA) media : @$(ECHO) $(MEDIA) AUTO_MEDIA = $(filter-out $(NON_AUTO_MEDIA),$(MEDIA)) automedia : @$(ECHO) $(AUTO_MEDIA) # media_template : create media rules # # $(1) is the media name (e.g. "rom") # define media_template $(if $(filter $(1),$(AUTO_MEDIA)),$(call auto_media_template,$(1))) LIST_$(1) := $$(if $$(LIST_NAME_$(1)),$$($$(LIST_NAME_$(1))),$$(DRIVERS)) ALL_$(1) = $$(foreach ITEM,$$(LIST_$(1)),$$(BIN)/$$(ITEM).$(1)) $$(BIN)/all$(1)s : $$(ALL_$(1)) $$(BIN)/allall : $$(BIN)/all$(1)s all$(1)s : $$(BIN)/all$(1)s allall : $$(BIN)/allall endef # # $(1) is the media name (e.g. "rom") # define auto_media_template $$(BIN)/%.$(1) : $$(BIN)/%.$(1).zbin $$(QM)echo " [FINISH] $$@" $$(Q)$$(CP) $$< $$@ $$(Q)$$(if $$(PAD_$(1)),$$(PAD_$(1)) $$@) $$(Q)$$(if $$(FINALISE_$(1)),$$(FINALISE_$(1)) $$@) endef # # $(1) is the media name (e.g. "rom") # define media_template_file @$(ECHO) " [MEDIARULES] $(1)" @$(MKDIR) -p $(BIN)/rules/$(dir $(1)) @$(ECHO_E) '$(subst $(NEWLINE),\n,$(call media_template,$(1)))' \ > $(BIN)/rules/$(1).media.r endef # Generate media rules files # $(BIN)/rules/%.media.r : $(MAKEDEPS) $(call media_template_file,$*) # Calculate list of media rules files # MEDIA_RULES = $(patsubst %,$(BIN)/rules/%.media.r,$(MEDIA)) mediarules : @$(ECHO) $(MEDIA_RULES) # Evaluate media rules (or include media rules files) # ifdef NEED_DEPS ifneq ($(MEDIA_RULES),) ifneq ($(HAVE_EVAL),) $(foreach MEDIUM,$(MEDIA),$(eval $(call media_template,$(MEDIUM)))) else -include $(MEDIA_RULES) endif endif endif # Alias for ipxe.% # $(BIN)/etherboot.% : $(BIN)/ipxe.% ln -sf $(notdir $<) $@ # Filter out non-permitted drivers if security flag is set # ifneq ($(SECUREBOOT),) DRIVERS_ipxe := $(filter $(DRIVERS_SECBOOT),$(DRIVERS_ipxe)) endif endif # defined(BIN) ############################################################################### # # The compression utilities # ZBIN_LDFLAGS := -llzma $(ZBIN32) : util/zbin.c $(MAKEDEPS) $(QM)$(ECHO) " [HOSTCC] $@" $(Q)$(HOST_CC) $(HOST_CFLAGS) $< $(ZBIN_LDFLAGS) -DELF32 -o $@ CLEANUP += $(ZBIN32) $(ZBIN64) : util/zbin.c $(MAKEDEPS) $(QM)$(ECHO) " [HOSTCC] $@" $(Q)$(HOST_CC) $(HOST_CFLAGS) $< $(ZBIN_LDFLAGS) -DELF64 -o $@ CLEANUP += $(ZBIN64) ############################################################################### # # The EFI image converter # $(ELF2EFI32) : util/elf2efi.c $(MAKEDEPS) $(QM)$(ECHO) " [HOSTCC] $@" $(Q)$(HOST_CC) $(HOST_CFLAGS) $(HOST_EFI_CFLAGS) -idirafter include -DEFI_TARGET32 $< -o $@ CLEANUP += $(ELF2EFI32) $(ELF2EFI64) : util/elf2efi.c $(MAKEDEPS) $(QM)$(ECHO) " [HOSTCC] $@" $(Q)$(HOST_CC) $(HOST_CFLAGS) $(HOST_EFI_CFLAGS) -idirafter include -DEFI_TARGET64 $< -o $@ CLEANUP += $(ELF2EFI64) $(EFIROM) : util/efirom.c util/eficompress.c $(MAKEDEPS) $(QM)$(ECHO) " [HOSTCC] $@" $(Q)$(HOST_CC) $(HOST_CFLAGS) $(HOST_EFI_CFLAGS) -idirafter include -o $@ $< CLEANUP += $(EFIROM) $(EFIFATBIN) : util/efifatbin.c $(MAKEDEPS) $(QM)$(ECHO) " [HOSTCC] $@" $(Q)$(HOST_CC) $(HOST_CFLAGS) $(HOST_EFI_CFLAGS) -idirafter include -o $@ $< CLEANUP += $(EFIFATBIN) ############################################################################### # # The error usage information utility # $(EINFO) : util/einfo.c $(MAKEDEPS) $(QM)$(ECHO) " [HOSTCC] $@" $(Q)$(HOST_CC) $(HOST_CFLAGS) -idirafter include -o $@ $< CLEANUP += $(EINFO) ############################################################################### # # Local configs # CONFIG_HEADERS := $(patsubst config/%,%,$(wildcard config/*.h)) CONFIG_LOCAL_HEADERS := $(foreach HEADER,$(CONFIG_HEADERS),\ config/local/$(HEADER)) $(CONFIG_LOCAL_HEADERS) : $(Q)$(TOUCH) $@ .PRECIOUS : $(CONFIG_LOCAL_HEADERS) UNANNOTATED += $(CONFIG_LOCAL_HEADERS) ifneq ($(CONFIG),) CONFIG_LOCAL_NAMED_HEADERS := $(foreach HEADER,$(CONFIG_HEADERS),\ config/local/$(CONFIG)/$(HEADER)) $(CONFIG_LOCAL_NAMED_HEADERS) : $(Q)$(MKDIR) -p $(dir $@) $(Q)$(TOUCH) $@ .PRECIOUS : $(CONFIG_LOCAL_NAMED_HEADERS) UNANNOTATED += $(CONFIG_LOCAL_NAMED_HEADERS) endif ############################################################################### # # Build the TAGS file(s) for emacs # TAGS : ctags -e -R -f $@ --exclude=bin CLEANUP += TAGS ############################################################################### # # Force rebuild for any given target # %.rebuild : rm -f $* $(Q)$(MAKE) $* ############################################################################### # # Symbol table checks # ifdef BIN SYMTAB = $(BIN)/symtab $(SYMTAB) : $(BLIB) $(OBJDUMP) -w -t $< > $@ CLEANUP += $(BIN)/symtab symcheck : $(SYMTAB) $(PERL) $(SYMCHECK) $< endif # defined(BIN) ############################################################################### # # Build bochs symbol table # ifdef BIN $(BIN)/%.bxs : $(BIN)/%.tmp $(NM) $< | cut -d" " -f1,3 > $@ endif # defined(BIN) ############################################################################### # # Versioning # ifdef BIN REPOURL := https://github.com/ipxe/ipxe ifeq ($(EXTRAVERSION),) RELNAME := v$(firstword $(VERSION)) CLMARKER := [$(RELNAME)] SRCNAME := ipxe-$(firstword $(VERSION)) SRCURL := $(REPOURL)/archive/$(RELNAME) BINURL := $(REPOURL)/releases/download/$(RELNAME) else RELNAME := CLMARKER := [Unreleased] SRCNAME := ipxe SRCURL := $(REPOURL)/archive/$(GITVERSION) BINURL := https://boot.ipxe.org endif # Generate version number record # $(BIN)/version.txt : $(MAKEDEPS) $(QM)$(ECHO) " [VERSION] $@" $(Q)$(ECHO) "$(VERSION)" > $@ # Generate release name # $(BIN)/relname.txt : $(MAKEDEPS) $(QM)$(ECHO) " [RELNAME] $@" $(Q)$(ECHO) "$(RELNAME)" > $@ # Generate changelog section # $(BIN)/changes.md : ../CHANGELOG.md $(MAKEDEPS) $(QM)$(ECHO) " [CHANGES] $@" $(Q)$(PANDOC) -f gfm -t gfm --columns 10000 $< | \ awk -v RS='\n\n## ' -v marker='$(CLMARKER)' \ 'index ( $$0, marker ) == 1 { print }' > $@ $(Q)if [ ! -s $@ ] ; then \ echo "Missing $(CLMARKER) in $<" >&2 ; \ exit 1 ; \ fi # Generate release title # $(BIN)/reltitle.txt : $(BIN)/changes.md $(MAKEDEPS) $(QM)$(ECHO) " [RELTITLE] $@" $(Q)head -1 $< | sed -E \ 's/^\[(.*)\]\(.+\)\s+(.+)$$/\1 (\2)/; t; s/^\[(.*)\].*$$/\1/' > $@ # Generate release description # $(BIN)/reldesc.md : ../RELNOTES.tmpl.md $(MAKEDEPS) $(QM)$(ECHO) " [RELDESC] $@" $(Q)SRCNAME="$(SRCNAME)" SRCURL="$(SRCURL)" BINURL="$(BINURL)" \ $(ENVSUBST) '$$SRCNAME $$SRCURL $$BINURL' < $< | \ $(PANDOC) -f gfm -t gfm --columns 10000 > $@ # Generate release notes # $(BIN)/relnotes.md : $(BIN)/reldesc.md $(BIN)/changes.md $(MAKEDEPS) $(QM)$(ECHO) " [RELNOTES] $@" $(Q)( cat $(BIN)/reldesc.md ; tail -n +2 $(BIN)/changes.md ) > $@ endif # defined(BIN) ############################################################################### # # Documentation # ifdef BIN $(BIN)/doxygen.cfg : doxygen.cfg $(MAKEDEPS) $(Q)$(PERL) -pe 's{\@SRCDIRS\@}{$(SRCDIRS)}; ' \ -e 's{\@INCDIRS\@}{$(filter-out .,$(INCDIRS))}; ' \ -e 's{\@BIN\@}{$(BIN)}; ' \ -e 's{\@ARCH\@}{$(ARCH)}; ' \ $< > $@ $(BIN)/doc : $(BIN)/doxygen.cfg $(Q)$(DOXYGEN) $< .PHONY : $(BIN)/doc doc : $(BIN)/doc doc-clean : $(Q)$(RM) -r $(BIN)/doc VERYCLEANUP += $(BIN)/doc docview : @[ -f $(BIN)/doc/html/index.html ] || $(MAKE) $(BIN)/doc @if [ -n "$$BROWSER" ] ; then \ ( $$BROWSER $(BIN)/doc/html/index.html & ) ; \ else \ $(ECHO) "Documentation index in $(BIN)/doc/html/index.html" ; \ fi endif # defined(BIN) ############################################################################### # # Keyboard maps # hci/keymap/keymap_%.c : $(Q)$(PYTHON) $(GENKEYMAP) $* > $@ ############################################################################### # # Force deletion of incomplete targets # .DELETE_ON_ERROR : ############################################################################### # # Clean-up # ifeq ($(NUM_BINS),0) ALLBINS := bin bin-* ALLBIN = $(foreach B,$(ALLBINS),$(patsubst $(BIN)/%,$(B)/%,$(1))) CLEANUP := $(foreach C,$(CLEANUP),$(call ALLBIN,$(C))) VERYCLEANUP := $(foreach V,$(VERYCLEANUP),$(call ALLBIN,$(V))) endif clean : $(RM) -r $(CLEANUP) veryclean : clean $(RM) -r $(VERYCLEANUP)