diff options
Diffstat (limited to 'contrib/syslinux-4.02/gpxe/src/Makefile.housekeeping')
| -rw-r--r-- | contrib/syslinux-4.02/gpxe/src/Makefile.housekeeping | 1004 |
1 files changed, 1004 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/gpxe/src/Makefile.housekeeping b/contrib/syslinux-4.02/gpxe/src/Makefile.housekeeping new file mode 100644 index 0000000..1f5e115 --- /dev/null +++ b/contrib/syslinux-4.02/gpxe/src/Makefile.housekeeping @@ -0,0 +1,1004 @@ +# -*- 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 __ICC,$(CCDEFS)),__ICC) +CCTYPE := icc +else +CCTYPE := gcc +endif +cctype: + @$(ECHO) $(CCTYPE) + +############################################################################### +# +# Check for tools that can cause failed builds +# +.toolcheck : + @if $(CC) -v 2>&1 | grep -is 'gcc version 2\.96' > /dev/null; then \ + $(ECHO) 'gcc 2.96 is unsuitable for compiling Etherboot'; \ + $(ECHO) 'Use gcc 2.95 or gcc 3.x instead'; \ + exit 1; \ + fi + @if [ `perl -e 'use bytes; print chr(255)' | wc -c` = 2 ]; then \ + $(ECHO) 'Your Perl version has a Unicode handling bug'; \ + $(ECHO) 'Execute this command before compiling Etherboot:'; \ + $(ECHO) 'export LANG=$${LANG%.UTF-8}'; \ + exit 1; \ + fi + @$(TOUCH) $@ +MAKEDEPS += .toolcheck +VERYCLEANUP += .toolcheck + +############################################################################### +# +# Check for various tool workarounds +# + +# 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) + +# Check for an old version of gas (binutils 2.9.1) +# +OLDGAS := $(shell $(AS) --version | grep -q '2\.9\.1' && $(ECHO) -DGAS291) +CFLAGS += $(OLDGAS) +oldgas : + @$(ECHO) $(oldgas) + +# Some widespread patched versions of gcc include -fstack-protector by +# default, even when -ffreestanding is specified. We therefore need +# to disable -fstack-protector if the compiler supports it. +# +ifeq ($(CCTYPE),gcc) +SP_TEST = $(CC) -fno-stack-protector -x c -c /dev/null \ + -o /dev/null >/dev/null 2>&1 +SP_FLAGS := $(shell $(SP_TEST) && $(ECHO) '-fno-stack-protector') +CFLAGS += $(SP_FLAGS) +endif + +# 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 -x c -c /dev/null \ + -o /dev/null >/dev/null 2>&1 +CFI_FLAGS := $(shell $(CFI_TEST) && $(ECHO) '-fno-dwarf2-cfi-asm') +CFLAGS += $(CFI_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') +ASFLAGS += $(DIVIDE_FLAGS) + +############################################################################### +# +# Build verbosity +# +ifeq ($(V),1) +Q := +QM := @\# +else +Q := @ +QM := @ +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-%,$(MAKECMDGOALS)) +BIN_GOAL_BINS := $(foreach BG,$(BIN_GOALS),$(firstword $(subst /, ,$(BG)))) +NUM_BINS := $(words $(sort $(BIN_GOAL_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_GOAL_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. +# +# 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) : % : BIN_RECURSE + $(Q)$(MAKE) --no-print-directory BIN=$(firstword $(subst /, ,$@)) $@ +.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] + +ARCHS := $(patsubst arch/%,%,$(wildcard arch/*)) +PLATFORMS := $(patsubst config/defaults/%.h,%,\ + $(wildcard config/defaults/*.h)) +archs : + @$(ECHO) $(ARCHS) + +platforms : + @$(ECHO) $(PLATFORMS) + +ifdef BIN + +# Determine architecture portion of $(BIN), if present +BIN_ARCH := $(strip $(foreach A,$(ARCHS),\ + $(patsubst bin-$(A)-%,$(A),\ + $(filter bin-$(A)-%,$(BIN))))) + +# Determine platform portion of $(BIN), if present +ifeq ($(BIN_ARCH),) +BIN_PLATFORM := $(patsubst bin-%,%,$(filter bin-%,$(BIN))) +else +BIN_PLATFORM := $(patsubst bin-$(BIN_ARCH)-%,%,$(BIN)) +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 := pcbios +PLATFORM := $(firstword $(BIN_PLATFORM) $(DEFAULT_PLATFORM)) +CFLAGS += -DPLATFORM=$(PLATFORM) +platform : + @$(ECHO) $(PLATFORM) + +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 + +############################################################################### +# +# 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) + +# Common flags +# +CFLAGS += $(foreach INC,$(INCDIRS),-I$(INC)) +CFLAGS += -Os +CFLAGS += -g +ifeq ($(CCTYPE),gcc) +CFLAGS += -ffreestanding +CFLAGS += -Wall -W -Wformat-nonliteral +endif +ifeq ($(CCTYPE),icc) +CFLAGS += -fno-builtin +CFLAGS += -no-ip +CFLAGS += -no-gcc +CFLAGS += -diag-disable 111 # Unreachable code +CFLAGS += -diag-disable 128 # Unreachable loop +CFLAGS += -diag-disable 170 # Array boundary checks +CFLAGS += -diag-disable 177 # Unused functions +CFLAGS += -diag-disable 181 # printf() format checks +CFLAGS += -diag-disable 188 # enum strictness +CFLAGS += -diag-disable 193 # Undefined preprocessor identifiers +CFLAGS += -diag-disable 280 # switch ( constant ) +CFLAGS += -diag-disable 310 # K&R parameter lists +CFLAGS += -diag-disable 424 # Extra semicolon +CFLAGS += -diag-disable 589 # Declarations mid-code +CFLAGS += -diag-disable 593 # Unused variables +CFLAGS += -diag-disable 810 # Casting ints to smaller ints +CFLAGS += -diag-disable 981 # Sequence point violations +CFLAGS += -diag-disable 1292 # Ignored attributes +CFLAGS += -diag-disable 1338 # void pointer arithmetic +CFLAGS += -diag-disable 1361 # Variable-length arrays +CFLAGS += -diag-disable 1418 # Missing prototypes +CFLAGS += -diag-disable 1419 # Missing prototypes +CFLAGS += -diag-disable 1599 # Hidden variables +CFLAGS += -Wall -Wmissing-declarations +endif +CFLAGS += $(EXTRA_CFLAGS) +ASFLAGS += $(EXTRA_ASFLAGS) +LDFLAGS += $(EXTRA_LDFLAGS) + +# Inhibit -Werror if NO_WERROR is specified on make command line +# +ifneq ($(NO_WERROR),1) +CFLAGS += -Werror +ASFLAGS += --fatal-warnings +endif + +# compiler.h is needed for our linking and debugging system +# +CFLAGS += -include compiler.h + +# 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) + +# ICC requires postprocessing objects to fix up table alignments +# +ifeq ($(CCTYPE),icc) +POST_O = && $(ICCFIX) $@ +POST_O_DEPS := $(ICCFIX) +else +POST_O := +POST_O_DEPS := +endif + +# Rules for specific object types. +# +COMPILE_c = $(CC) $(CFLAGS) $(CFLAGS_c) $(OBJ_CFLAGS) +RULE_c = $(Q)$(COMPILE_c) -c $< -o $@ $(POST_O) +RULE_c_to_dbg%.o = $(Q)$(COMPILE_c) -Ddebug_$(subst -,_,$(OBJECT))=$* -c $< -o $@ $(POST_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_s = $(Q)$(PREPROCESS_S) $< > $@ + +DEBUG_TARGETS += dbg%.o c s + +# We automatically generate rules for any file mentioned in AUTO_SRCS +# using the following set of templates. It would be cleaner to use +# $(eval ...), but this function exists only in GNU make >= 3.80. + +# src_template : generate Makefile rules for a given source file +# +# $(1) is the full path to the source file (e.g. "drivers/net/rtl8139.c") +# $(2) is the full path to the .d file (e.g. "bin/deps/drivers/net/rtl8139.d") +# $(3) is the source type (e.g. "c") +# $(4) is the source base name (e.g. "rtl8139") +# +define src_template + + @$(ECHO) " [DEPS] $(1)" + @$(MKDIR) -p $(dir $(2)) + @$(RM) $(2) + @$(TOUCH) $(2) + @$(CPP) $(CFLAGS) $(CFLAGS_$(3)) $(CFLAGS_$(4)) -DOBJECT=$(4) \ + -Wno-error -MM $(1) -MG -MP | \ + sed 's/\.o\s*:/_DEPS =/' >> $(2) + @$(ECHO_E) '\n$$(BIN)/$(4).o :' \ + '$(1) $$(MAKEDEPS) $$(POST_O_DEPS) $$($(4)_DEPS)' \ + '\n\t$$(QM)$(ECHO) " [BUILD] $$@"' \ + '\n\t$$(RULE_$(3))\n' \ + '\nBOBJS += $$(BIN)/$(4).o\n' \ + $(foreach TGT,$(DEBUG_TARGETS), \ + $(if $(RULE_$(3)_to_$(TGT)), \ + '\n$$(BIN)/$(4).$(TGT) :' \ + '$(1) $$(MAKEDEPS) $$(POST_O_DEPS) $$($(4)_DEPS)' \ + '\n\t$$(QM)$(ECHO) " [BUILD] $$@"' \ + '\n\t$$(RULE_$(3)_to_$(TGT))\n' \ + '\n$(TGT)_OBJS += $$(BIN)/$(4).$(TGT)\n' ) ) \ + '\n$(2) : $$($(4)_DEPS)\n' \ + '\nTAGS : $$($(4)_DEPS)\n' \ + >> $(2) + @$(PARSEROM) $(1) >> $(2) + +endef + +# Rule to generate the Makefile rules files to be included +# +$(BIN)/deps/%.d : % $(MAKEDEPS) $(PARSEROM) + $(if $(filter $(AUTO_SRCS),$<),$(call src_template,$<,$@,$(subst .,,$(suffix $<)),$(basename $(notdir $<))),@$(ECHO) 'ERROR: $< is not an AUTO_SRC' ; exit 1) + +# Calculate and include the list of Makefile rules files +# +AUTO_DEPS = $(patsubst %,$(BIN)/deps/%.d,$(AUTO_SRCS)) +ifdef NEED_DEPS +ifneq ($(AUTO_DEPS),) +-include $(AUTO_DEPS) +endif +endif +autodeps : + @$(ECHO) $(AUTO_DEPS) +VERYCLEANUP += $(BIN)/deps + +# The following variables are created by the Makefile rules files +# +bobjs : + @$(ECHO) $(BOBJS) +drivers : + @$(ECHO) $(DRIVERS) +.PHONY : drivers +roms : + @$(ECHO) $(ROMS) + +# List of embedded images included in the last build of embedded.o. +# This is needed in order to correctly rebuild embedded.o whenever the +# list of objects changes. +# +EMBEDDED_LIST := $(BIN)/.embedded.list +ifeq ($(wildcard $(EMBEDDED_LIST)),) +EMBEDDED_LIST_IMAGE := <invalid> +else +EMBEDDED_LIST_IMAGE := $(shell cat $(EMBEDDED_LIST)) +endif +ifneq ($(EMBEDDED_LIST_IMAGE),$(EMBEDDED_IMAGE)) +$(shell $(ECHO) "$(EMBEDDED_IMAGE)" > $(EMBEDDED_LIST)) +endif + +$(EMBEDDED_LIST) : + +VERYCLEANUP += $(EMBEDDED_LIST) + +EMBEDDED_FILES := $(subst $(COMMA), ,$(EMBEDDED_IMAGE)) +EMBED_ALL := $(foreach i,$(call seq,1,$(words $(EMBEDDED_FILES))),\ + EMBED ( $(i), \"$(word $(i), $(EMBEDDED_FILES))\",\ + \"$(notdir $(word $(i),$(EMBEDDED_FILES)))\" )) + +$(BIN)/embedded.o : $(EMBEDDED_FILES) $(EMBEDDED_LIST) +CFLAGS_embedded = -DEMBED_ALL="$(EMBED_ALL)" + +# Generate the NIC file from the parsed source files. The NIC file is +# only for rom-o-matic. +# +$(BIN)/NIC : $(AUTO_DEPS) + @$(ECHO) '# This is an automatically generated file, do not edit' > $@ + @$(ECHO) '# It does not affect anything in the build, ' \ + 'it is only for rom-o-matic' >> $@ + @$(ECHO) >> $@ + @perl -ne 'chomp; print "$$1\n" if /\# NIC\t(.*)$$/' $^ >> $@ +CLEANUP += $(BIN)/NIC # Doesn't match the $(BIN)/*.* pattern + +# Analyse a target name (e.g. "bin/dfe538--prism2_pci.zrom.tmp") and +# derive the variables: +# +# TGT_ELEMENTS : the elements of the target (e.g. "dfe538 prism2_pci") +# TGT_PREFIX : the prefix type (e.g. "zrom") +# TGT_DRIVERS : the driver for each element (e.g. "rtl8139 prism2_pci") +# TGT_ROM_NAME : the ROM name (e.g. "dfe538") +# TGT_MEDIA : the media type (e.g. "rom") +# +DRIVERS_gpxe = $(DRIVERS) +CARD_DRIVER = $(firstword $(DRIVER_$(1)) $(1)) +TGT_ELEMENTS = $(subst --, ,$(firstword $(subst ., ,$(notdir $@)))) +TGT_PREFIX = $(word 2,$(subst ., ,$(notdir $@))) +TGT_ROM_NAME = $(firstword $(TGT_ELEMENTS)) +TGT_DRIVERS = $(strip $(if $(DRIVERS_$(TGT_ROM_NAME)), \ + $(DRIVERS_$(TGT_ROM_NAME)), \ + $(foreach TGT_ELEMENT,$(TGT_ELEMENTS), \ + $(call CARD_DRIVER,$(TGT_ELEMENT))) )) +TGT_MEDIA = $(subst z,,$(TGT_PREFIX)) + +# Look up ROM IDs for the current target +# (e.g. "bin/dfe538--prism2_pci.zrom.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.zrom.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_PREFIX = obj_$(TGT_PREFIX)prefix +TGT_LD_IDS = pci_vendor_id=$(firstword $(TGT_PCI_VENDOR) 0) \ + pci_device_id=$(firstword $(TGT_PCI_DEVICE) 0) + +# Calculate linker flags based on link-time options for the current +# target type (e.g. "bin/dfe538--prism2_pci.zrom.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_PREFIX) $(TGT_LD_DRIVERS) obj_config,\ + -u $(SYM) --defsym check_$(SYM)=$(SYM) ) \ + $(patsubst %,--defsym %,$(TGT_LD_IDS)) + +# Calculate makerom flags for the specific target +# (e.g. "bin/dfe538--prism2_pci.zrom.tmp") and derive the variables: +# +# TGT_MAKEROM_FLAGS : target-specific flags for makerom (e.g. +# "-p 0x1186,0x1300") +# +TGT_MAKEROM_FLAGS = $(strip $(MAKEROM_FLAGS_$(TGT_ROM_NAME)) \ + $(if $(TGT_PCI_VENDOR),$(strip -p $(TGT_PCI_VENDOR),$(TGT_PCI_DEVICE)))) + +# Calculate list of debugging versions of objects to be included in +# the target. +# +DEBUG_LIST = $(subst $(COMMA), ,$(DEBUG)) +DEBUG_OBJ_LEVEL = $(firstword $(word 2,$(subst :, ,$(1))) 1) +DEBUG_OBJ_BASE = $(word 1,$(subst :, ,$(1))).dbg$(call DEBUG_OBJ_LEVEL,$(1)) +DEBUG_OBJ = $(BIN)/$(call DEBUG_OBJ_BASE,$(1)).o +DEBUG_ORIG_OBJ = $(BIN)/$(word 1,$(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) 'Media : $(TGT_MEDIA)' + @$(ECHO) + @$(ECHO) 'PCI vendor : $(TGT_PCI_VENDOR)' + @$(ECHO) 'PCI device : $(TGT_PCI_DEVICE)' + @$(ECHO) + @$(ECHO) 'LD driver symbols : $(TGT_LD_DRIVERS)' + @$(ECHO) 'LD prefix symbols : $(TGT_LD_PREFIX)' + @$(ECHO) 'LD ID symbols : $(TGT_LD_IDS)' + @$(ECHO) + @$(ECHO) 'LD target flags : $(TGT_LD_FLAGS)' + @$(ECHO) + @$(ECHO) 'makerom target flags : $(TGT_MAKEROM_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_LIST_OBJS := <invalid> +else +BLIB_LIST_OBJS := $(shell cat $(BLIB_LIST)) +endif +ifneq ($(BLIB_LIST_OBJS),$(BLIB_OBJS)) +$(shell $(ECHO) "$(BLIB_OBJS)" > $(BLIB_LIST)) +endif + +$(BLIB_LIST) : + +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) r $@ $(BLIB_OBJS) + $(Q)$(RANLIB) $@ +blib : $(BLIB) + +# Build an intermediate object file from the objects required for the +# specified target. +# +$(BIN)/%.tmp : $(BLIB) $(MAKEDEPS) $(LDSCRIPT) + $(QM)$(ECHO) " [LD] $@" + $(Q)$(LD) $(LDFLAGS) -T $(LDSCRIPT) $(TGT_LD_FLAGS) $(BLIB) -o $@ \ + -Map $(BIN)/$*.tmp.map + $(Q)$(OBJDUMP) -ht $@ | $(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 unlicensed_deps_list + $(shell grep -L FILE_LICENCE $(call deps_list,$(1))) +endef +define licence_list + $(patsubst __licence_%,%,\ + $(filter __licence_%,$(shell $(NM) $(1) | cut -d" " -f3))) +endef +$(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,\ + $(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. + +media : + @$(ECHO) $(MEDIA) + +AUTO_MEDIA = $(filter-out $(NON_AUTO_MEDIA),$(MEDIA)) +automedia : + @$(ECHO) $(AUTO_MEDIA) + +# media_template : create Makefile rules for specified media +# +# $(1) is the media name (e.g. "rom") +# $(2) is the full path to the .d file (e.g. "bin/deps/rom.media.d") +# +define media_template + + @$(ECHO) " [MEDIADEPS] $(1)" + @$(MKDIR) -p $(dir $(2)) + @$(RM) $(2) + @$(TOUCH) $(2) + @$(ECHO_E) '$$(BIN)/%.$(1) : $$(BIN)/%.$(1).zbin' \ + '\n\t$$(QM)$(ECHO) " [FINISH] $$@"' \ + '\n\t$$(Q)$$(CP) $$< $$@' \ + '\n\t$$(Q)$$(PAD_$(1))' \ + '\n\t$$(Q)$$(FINALISE_$(1))' \ + > $(2) + +endef + +# Rule to generate the Makefile rules to be included +# +$(BIN)/deps/%.media.d : $(MAKEDEPS) + $(if $(filter $(AUTO_MEDIA),$*), \ + $(call media_template,$*,$@), \ + @$(ECHO) 'ERROR: $* is not an AUTO_MEDIA' ; exit 1) + +# Calculate and include the list of Makefile rules files +# +MEDIA_DEPS = $(patsubst %,$(BIN)/deps/%.media.d,$(AUTO_MEDIA)) +mediadeps : + @$(ECHO) $(MEDIA_DEPS) +ifdef NEED_DEPS +ifneq ($(MEDIA_DEPS),) +-include $(MEDIA_DEPS) +endif +endif + +# Wrap up binary blobs (for embedded images) +# +$(BIN)/%.o : payload/%.img + $(QM)echo " [WRAP] $@" + $(Q)$(LD) -b binary -r -o $@ $< --undefined obj_payload \ + --defsym obj_$*=0 + +BOBJS += $(patsubst payload/%.img,$(BIN)/%.o,$(wildcard payload/*.img)) + +# The "allXXXs" targets for each suffix +# +allall: allroms allzroms allpxes allisos alldsks +allroms allzroms : all%s : $(foreach ROM,$(ROMS),$(BIN)/$(ROM).%) +allpxes allisos alldsks : all%s : $(foreach DRIVER,$(DRIVERS),$(BIN)/$(DRIVER).%) + +# Alias for gpxe.% +# +$(BIN)/etherboot.% : $(BIN)/gpxe.% + ln -sf $(notdir $<) $@ + +endif # defined(BIN) + +############################################################################### +# +# Rules for finalising files. TGT_MAKEROM_FLAGS is defined as part of +# the automatic build system and varies by target; it includes the +# "-p 0x1234,0x5678" string to set the PCI IDs. +# +FINALISE_rom = $(MAKEROM) $(MAKEROM_FLAGS) $(TGT_MAKEROM_FLAGS) \ + -i$(IDENT) -s 0 $@ +FINALISE_hrom = $(FINALISE_rom) +FINALISE_xrom = $(MAKEROM) $(MAKEROM_FLAGS) $(TGT_MAKEROM_FLAGS) \ + -i$(IDENT) -n -s 0 $@ + +# Some ROMs require specific flags to be passed to makerom.pl +# +MAKEROM_FLAGS_3c503 = -3 + +############################################################################### +# +# The compression utilities +# +$(NRV2B) : util/nrv2b.c $(MAKEDEPS) + $(QM)$(ECHO) " [HOSTCC] $@" + $(Q)$(HOST_CC) -O2 -DENCODE -DDECODE -DMAIN -DVERBOSE -DNDEBUG \ + -DBITSIZE=32 -DENDIAN=0 -o $@ $< +CLEANUP += $(NRV2B) + +$(ZBIN) : util/zbin.c util/nrv2b.c $(MAKEDEPS) + $(QM)$(ECHO) " [HOSTCC] $@" + $(Q)$(HOST_CC) -O2 -o $@ $< +CLEANUP += $(ZBIN) + +############################################################################### +# +# The EFI image converter +# +ELF2EFI_CFLAGS := -I$(BINUTILS_DIR)/include -I$(BFD_DIR)/include \ + -idirafter include -L$(BINUTILS_DIR)/lib -L$(BFD_DIR)/lib \ + -lbfd -liberty -lz + +$(ELF2EFI32) : util/elf2efi.c $(MAKEDEPS) + $(QM)$(ECHO) " [HOSTCC] $@" + $(Q)$(HOST_CC) $(ELF2EFI_CFLAGS) -DMDE_CPU_IA32 -O2 -o $@ $< +CLEANUP += $(ELF2EFI32) + +$(ELF2EFI64) : util/elf2efi.c $(MAKEDEPS) + $(QM)$(ECHO) " [HOSTCC] $@" + $(Q)$(HOST_CC) $(ELF2EFI_CFLAGS) -DMDE_CPU_X64 -O2 -o $@ $< +CLEANUP += $(ELF2EFI64) + +$(EFIROM) : util/efirom.c $(MAKEDEPS) + $(QM)$(ECHO) " [HOSTCC] $@" + $(Q)$(HOST_CC) -idirafter include -O2 -o $@ $< +CLEANUP += $(EFIROM) + +############################################################################### +# +# The ICC fixup utility +# +$(ICCFIX) : util/iccfix.c $(MAKEDEPS) + $(QM)$(ECHO) " [HOSTCC] $@" + $(Q)$(HOST_CC) -idirafter include -O2 -o $@ $< +CLEANUP += $(ICCFIX) + +############################################################################### +# +# Auto-incrementing build serial number. Append "bs" to your list of +# build targets to get a serial number printed at the end of the +# build. Enable -DBUILD_SERIAL in order to see it when the code runs. +# +BUILDSERIAL_H = config/.buildserial.h +BUILDSERIAL_NOW = config/.buildserial.now +BUILDSERIAL_NEXT = config/.buildserial.next + +$(BUILDSERIAL_NOW) $(BUILDSERIAL_NEXT) : + $(ECHO) 1 > $@ + +$(BUILDSERIAL_H) : $(BUILDSERIAL_NOW) $(BUILDSERIAL_NEXT) + $(ECHO) '#define BUILD_SERIAL_NUM $(shell cat $<)' > $@ + +ifeq ($(filter bs,$(MAKECMDGOALS)),bs) +$(shell diff -q $(BUILDSERIAL_NOW) $(BUILDSERIAL_NEXT) > /dev/null || \ + cp -f $(BUILDSERIAL_NEXT) $(BUILDSERIAL_NOW)) +endif + +bs : $(BUILDSERIAL_NOW) + @$(ECHO) $$(( $(shell cat $<) + 1 )) > $(BUILDSERIAL_NEXT) + @$(ECHO) "Build serial number is $(shell cat $<)" + +############################################################################### +# +# 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) + $(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) + +############################################################################### +# +# Clean-up +# +clean : + $(RM) $(CLEANUP) + +veryclean : clean + $(RM) -r $(VERYCLEANUP) |