mirror of
				https://gitlab.com/qemu-project/ipxe.git
				synced 2025-11-03 07:59:06 +08:00 
			
		
		
		
	Add .note.GNU-stack section declarations to the autogenerated PCI device ID list objects. Signed-off-by: Michael Brown <mcb30@ipxe.org>
		
			
				
	
	
		
			1605 lines
		
	
	
		
			44 KiB
		
	
	
	
		
			Makefile
		
	
	
	
	
	
			
		
		
	
	
			1605 lines
		
	
	
		
			44 KiB
		
	
	
	
		
			Makefile
		
	
	
	
	
	
# -*- makefile -*- : Force emacs to use Makefile mode
 | 
						|
#
 | 
						|
# This file contains various boring housekeeping functions that would
 | 
						|
# otherwise seriously clutter up the main Makefile.
 | 
						|
 | 
						|
###############################################################################
 | 
						|
#
 | 
						|
# 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)
 | 
						|
 | 
						|
###############################################################################
 | 
						|
#
 | 
						|
# 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 if $(eval ...) is available to use
 | 
						|
#
 | 
						|
 | 
						|
HAVE_EVAL :=
 | 
						|
ifndef NO_EVAL
 | 
						|
$(eval HAVE_EVAL := yes)
 | 
						|
endif
 | 
						|
eval :
 | 
						|
	@$(ECHO) $(HAVE_EVAL)
 | 
						|
 | 
						|
###############################################################################
 | 
						|
#
 | 
						|
# Check for various tool workarounds
 | 
						|
#
 | 
						|
 | 
						|
WORKAROUND_CFLAGS :=
 | 
						|
WORKAROUND_ASFLAGS :=
 | 
						|
WORKAROUND_LDFLAGS :=
 | 
						|
 | 
						|
# 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	:= \#
 | 
						|
define NEWLINE
 | 
						|
 | 
						|
 | 
						|
endef
 | 
						|
 | 
						|
# 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
 | 
						|
 | 
						|
# 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)
 | 
						|
 | 
						|
###############################################################################
 | 
						|
#
 | 
						|
# 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-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
 | 
						|
 | 
						|
###############################################################################
 | 
						|
#
 | 
						|
# 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	:= 1
 | 
						|
else
 | 
						|
BIN_AP		:= $(BIN_APS)
 | 
						|
BIN_SECUREBOOT	:= 0
 | 
						|
endif
 | 
						|
BIN_PLATFORM	:= $(lastword $(BIN_AP))
 | 
						|
BIN_ARCH	:= $(wordlist 2,$(words $(BIN_AP)),discard $(BIN_AP))
 | 
						|
 | 
						|
# 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 := pcbios
 | 
						|
PLATFORM	:= $(firstword $(BIN_PLATFORM) $(DEFAULT_PLATFORM))
 | 
						|
CFLAGS		+= -DPLATFORM=$(PLATFORM) -DPLATFORM_$(PLATFORM)
 | 
						|
platform :
 | 
						|
	@$(ECHO) $(PLATFORM)
 | 
						|
 | 
						|
# Determine security flag
 | 
						|
DEFAULT_SECUREBOOT := 0
 | 
						|
SECUREBOOT	:= $(firstword $(BIN_SECUREBOOT) $(DEFAULT_SECUREBOOT))
 | 
						|
CFLAGS		+= -DSECUREBOOT=$(SECUREBOOT)
 | 
						|
secureboot :
 | 
						|
	@$(ECHO) $(SECUREBOOT)
 | 
						|
 | 
						|
endif # defined(BIN)
 | 
						|
 | 
						|
# Include architecture-specific Makefile
 | 
						|
ifdef ARCH
 | 
						|
MAKEDEPS	+= arch/$(ARCH)/Makefile
 | 
						|
include arch/$(ARCH)/Makefile
 | 
						|
endif
 | 
						|
 | 
						|
# Include architecture-specific include path
 | 
						|
ifdef ARCH
 | 
						|
INCDIRS		+= arch/$(ARCH)/include
 | 
						|
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
 | 
						|
 | 
						|
# Exclude known-insecure files from Secure Boot builds
 | 
						|
ifeq ($(SECUREBOOT),0)
 | 
						|
SRCDIRS		+= $(SRCDIRS_INSEC)
 | 
						|
endif
 | 
						|
 | 
						|
# 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		+= -fcommon
 | 
						|
CFLAGS		+= -Wall -W -Wformat-nonliteral
 | 
						|
CFLAGS		+= -Wno-array-bounds -Wno-dangling-pointer
 | 
						|
HOST_CFLAGS	+= -Wall -W -Wformat-nonliteral
 | 
						|
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
 | 
						|
 | 
						|
# 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.  Note that
 | 
						|
# some older versions of gcc support -fdata-sections but treat it as
 | 
						|
# implying -fno-common, which would break our build.  Some other older
 | 
						|
# versions issue a spurious and uninhibitable warning if
 | 
						|
# -ffunction-sections is used with -g, which would also break our
 | 
						|
# build since we use -Werror.
 | 
						|
#
 | 
						|
ifeq ($(CCTYPE),gcc)
 | 
						|
DS_TEST		= $(ECHO) 'char x;' | \
 | 
						|
		  $(CC) -fdata-sections -S -x c - -o - 2>/dev/null | \
 | 
						|
		  grep -E '\.comm' > /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)
 | 
						|
 | 
						|
CFLAGS_embedded = -DEMBED_ALL="$(EMBED_ALL)"
 | 
						|
 | 
						|
# List of trusted root certificates
 | 
						|
#
 | 
						|
TRUSTED_LIST	:= $(BIN)/.trusted.list
 | 
						|
ifeq ($(wildcard $(TRUSTED_LIST)),)
 | 
						|
TRUST_OLD := <invalid>
 | 
						|
else
 | 
						|
TRUST_OLD := $(shell cat $(TRUSTED_LIST))
 | 
						|
endif
 | 
						|
ifneq ($(TRUST_OLD),$(TRUST))
 | 
						|
$(shell $(ECHO) "$(TRUST)" > $(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)
 | 
						|
 | 
						|
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)
 | 
						|
 | 
						|
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)
 | 
						|
endif
 | 
						|
 | 
						|
CLEANUP += $(BIN)/.private_key.*
 | 
						|
 | 
						|
privkey_DEPS += $(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 ifdef GITVERSION
 | 
						|
BUILD_TIMESTAMP := $(shell git log -1 --pretty=%ct)
 | 
						|
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) $@
 | 
						|
 | 
						|
# 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 licensing verdict for the specified target
 | 
						|
#
 | 
						|
define licensable_deps_list
 | 
						|
	$(filter-out config/local/%.h,\
 | 
						|
	  $(filter-out $(BIN)/.%.list,\
 | 
						|
	    $(call deps_list,$(1))))
 | 
						|
endef
 | 
						|
define unlicensed_deps_list
 | 
						|
	$(shell grep -L FILE_LICENCE $(call licensable_deps_list,$(1)))
 | 
						|
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 "Unable to determine licence because the following " ;\
 | 
						|
		echo "files are missing a licence declaration:" ;\
 | 
						|
		echo $(call unlicensed_deps_list,$<);\
 | 
						|
		exit 1,\
 | 
						|
		$(PERL) $(LICENCE) $(call licence_list,$<))
 | 
						|
 | 
						|
# 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 $<) $@
 | 
						|
 | 
						|
endif # defined(BIN)
 | 
						|
 | 
						|
###############################################################################
 | 
						|
#
 | 
						|
# The compression utilities
 | 
						|
#
 | 
						|
 | 
						|
ZBIN_LDFLAGS := -llzma
 | 
						|
 | 
						|
$(ZBIN) : util/zbin.c $(MAKEDEPS)
 | 
						|
	$(QM)$(ECHO) "  [HOSTCC] $@"
 | 
						|
	$(Q)$(HOST_CC) $(HOST_CFLAGS) $< $(ZBIN_LDFLAGS) -o $@
 | 
						|
CLEANUP += $(ZBIN)
 | 
						|
 | 
						|
###############################################################################
 | 
						|
#
 | 
						|
# The EFI image converter
 | 
						|
#
 | 
						|
 | 
						|
$(ELF2EFI32) : util/elf2efi.c $(MAKEDEPS)
 | 
						|
	$(QM)$(ECHO) "  [HOSTCC] $@"
 | 
						|
	$(Q)$(HOST_CC) $(HOST_CFLAGS) -idirafter include -DEFI_TARGET32 $< -o $@
 | 
						|
CLEANUP += $(ELF2EFI32)
 | 
						|
 | 
						|
$(ELF2EFI64) : util/elf2efi.c $(MAKEDEPS)
 | 
						|
	$(QM)$(ECHO) "  [HOSTCC] $@"
 | 
						|
	$(Q)$(HOST_CC) $(HOST_CFLAGS) -idirafter include -DEFI_TARGET64 $< -o $@
 | 
						|
CLEANUP += $(ELF2EFI64)
 | 
						|
 | 
						|
$(EFIROM) : util/efirom.c util/eficompress.c $(MAKEDEPS)
 | 
						|
	$(QM)$(ECHO) "  [HOSTCC] $@"
 | 
						|
	$(Q)$(HOST_CC) $(HOST_CFLAGS) -idirafter include -o $@ $<
 | 
						|
CLEANUP += $(EFIROM)
 | 
						|
 | 
						|
$(EFIFATBIN) : util/efifatbin.c $(MAKEDEPS)
 | 
						|
	$(QM)$(ECHO) "  [HOSTCC] $@"
 | 
						|
	$(Q)$(HOST_CC) $(HOST_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 : $(CONFIG_LOCAL_HEADERS)
 | 
						|
 | 
						|
ifneq ($(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)
 | 
						|
 | 
						|
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)
 | 
						|
 | 
						|
###############################################################################
 | 
						|
#
 | 
						|
# 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)
 |