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Makefile cleanup. This is an attempt to fix and cleanup all of the rules, and get rid of some of the recursion. We still need to invoke make several times when we're building for more than one board, and some things can get a bit weird when that happens, but it should generally work. A single BOARD=foo build should be fully correct, now. I attempted to keep things compatible, so existing Makefiles that include libmc1322x/Makefile.include should still work correctly.
2010-09-20 22:28:22 +02:00
# Hey Emacs, this is a -*- makefile -*-
clean up default_vreg_init
2010-02-26 13:30:53 +01:00
Makefile cleanup. This is an attempt to fix and cleanup all of the rules, and get rid of some of the recursion. We still need to invoke make several times when we're building for more than one board, and some things can get a bit weird when that happens, but it should generally work. A single BOARD=foo build should be fully correct, now. I attempted to keep things compatible, so existing Makefiles that include libmc1322x/Makefile.include should still work correctly.
2010-09-20 22:28:22 +02:00
# Set up a default target in case the user didn't already have one.
# "all" means to build .bin for all defined targets for the currently-defined board
Fix typo, used wrong name for TARGETS_WITH_ROM_VARS. Also makes the pretty print output specify whether we're linking against romvars or not.
2010-09-25 00:27:14 +02:00
all: $(addsuffix _$(BOARD).bin, $(TARGETS) $(TARGETS_WITH_ROM_VARS))
Makefile cleanup. This is an attempt to fix and cleanup all of the rules, and get rid of some of the recursion. We still need to invoke make several times when we're building for more than one board, and some things can get a bit weird when that happens, but it should generally work. A single BOARD=foo build should be fully correct, now. I attempted to keep things compatible, so existing Makefiles that include libmc1322x/Makefile.include should still work correctly.
2010-09-20 22:28:22 +02:00
.PHONY: all
Hi Mar.
2010-02-21 23:34:27 +01:00
Pretty-print the output by default. This makes it a lot easier to see what's going on, and let me find some problems. Use "make Q=" or set Q= blank in your user Makefile to see the full commands.
2010-09-25 00:21:29 +02:00
# Pretty print output. Use "make Q=" to see full commands
Q ?= @
define pretty
@printf "%8s %s\n" "$1" "$2"
endef
Makefile cleanup. This is an attempt to fix and cleanup all of the rules, and get rid of some of the recursion. We still need to invoke make several times when we're building for more than one board, and some things can get a bit weird when that happens, but it should generally work. A single BOARD=foo build should be fully correct, now. I attempted to keep things compatible, so existing Makefiles that include libmc1322x/Makefile.include should still work correctly.
2010-09-20 22:28:22 +02:00
# Don't delete intermediate targets
put object files in OBJDIR
2010-02-23 00:58:45 +01:00
.SECONDARY:
Makefile cleanup. This is an attempt to fix and cleanup all of the rules, and get rid of some of the recursion. We still need to invoke make several times when we're building for more than one board, and some things can get a bit weird when that happens, but it should generally work. A single BOARD=foo build should be fully correct, now. I attempted to keep things compatible, so existing Makefiles that include libmc1322x/Makefile.include should still work correctly.
2010-09-20 22:28:22 +02:00
#####
# Tools and flags
auto-gen dependencies
2010-03-01 22:27:58 +01:00
Makefile cleanup. This is an attempt to fix and cleanup all of the rules, and get rid of some of the recursion. We still need to invoke make several times when we're building for more than one board, and some things can get a bit weird when that happens, but it should generally work. A single BOARD=foo build should be fully correct, now. I attempted to keep things compatible, so existing Makefiles that include libmc1322x/Makefile.include should still work correctly.
2010-09-20 22:28:22 +02:00
# Set up cross compiler and toolchain definitions.
CROSS_COMPILE ?= arm-linux-
AS = $(CROSS_COMPILE)as
LD = $(CROSS_COMPILE)ld
CC = $(CROSS_COMPILE)gcc
CPP = $(CC) -E
AR = $(CROSS_COMPILE)ar
NM = $(CROSS_COMPILE)nm
STRIP = $(CROSS_COMPILE)strip
OBJCOPY = $(CROSS_COMPILE)objcopy
OBJDUMP = $(CROSS_COMPILE)objdump
RANLIB = $(CROSS_COMPILE)ranlib
# Build CFLAGS and prepend it to user-supplied CFLAGS
CFLAGS_PLAT ?= -march=armv4t -mtune=arm7tdmi-s -mlong-calls -msoft-float \
-mthumb-interwork -fno-strict-aliasing -fno-common -ffixed-r8 \
-ffunction-sections -ffreestanding -fno-builtin
CFLAGS_WARN ?= -Wcast-align -Wall -Wstrict-prototypes -Wextra
CFLAGS_OPT ?= -Os
CFLAGS_DEBUG ?= -g -DDEBUG -Werror
CFLAGS_MISC ?= -pipe
CFLAGS := $(CFLAGS_PLAT) $(CFLAGS_WARN) $(CFLAGS_OPT) $(CFLAGS_DEBUG) $(CFLAGS_MISC) $(CFLAGS)
# Thumb flags, used for building most objects
CFLAGS_THUMB ?= -mthumb -mcallee-super-interworking
# Linker flags
LINKERSCRIPT ?= $(MC1322X)/mc1322x.lds
Force linker to treat "_start" as undefined, so it pulls it in from src.a.
2010-09-25 23:48:28 +02:00
LDFLAGS ?= -T $(LINKERSCRIPT) -nostartfiles -static -export-dynamic -u_start -Wl,-Map=$(@:.elf=.map)
Hi Mar.
2010-02-21 23:34:27 +01:00
Makefile cleanup. This is an attempt to fix and cleanup all of the rules, and get rid of some of the recursion. We still need to invoke make several times when we're building for more than one board, and some things can get a bit weird when that happens, but it should generally work. A single BOARD=foo build should be fully correct, now. I attempted to keep things compatible, so existing Makefiles that include libmc1322x/Makefile.include should still work correctly.
2010-09-20 22:28:22 +02:00
# Assembler flags
AFLAGS ?= -Wa,-gstabs $(CFLAGS)
Hi Mar.
2010-02-21 23:34:27 +01:00
Makefile cleanup. This is an attempt to fix and cleanup all of the rules, and get rid of some of the recursion. We still need to invoke make several times when we're building for more than one board, and some things can get a bit weird when that happens, but it should generally work. A single BOARD=foo build should be fully correct, now. I attempted to keep things compatible, so existing Makefiles that include libmc1322x/Makefile.include should still work correctly.
2010-09-20 22:28:22 +02:00
# Misc tool options
OBJCOPYFLAGS ?= --gap-fill=0xff
Pretty-print the output by default. This makes it a lot easier to see what's going on, and let me find some problems. Use "make Q=" or set Q= blank in your user Makefile to see the full commands.
2010-09-25 00:21:29 +02:00
ARFLAGS = cr
handle empty COBJS
2010-03-11 22:17:18 +01:00
Makefile cleanup. This is an attempt to fix and cleanup all of the rules, and get rid of some of the recursion. We still need to invoke make several times when we're building for more than one board, and some things can get a bit weird when that happens, but it should generally work. A single BOARD=foo build should be fully correct, now. I attempted to keep things compatible, so existing Makefiles that include libmc1322x/Makefile.include should still work correctly.
2010-09-20 22:28:22 +02:00
#####
add PHONYs
2010-03-12 23:00:53 +01:00
Makefile cleanup. This is an attempt to fix and cleanup all of the rules, and get rid of some of the recursion. We still need to invoke make several times when we're building for more than one board, and some things can get a bit weird when that happens, but it should generally work. A single BOARD=foo build should be fully correct, now. I attempted to keep things compatible, so existing Makefiles that include libmc1322x/Makefile.include should still work correctly.
2010-09-20 22:28:22 +02:00
include $(MC1322X)/board/Makefile.board
include $(MC1322X)/lib/Makefile.lib
include $(MC1322X)/src/Makefile.src
#####
Fix typo, used wrong name for TARGETS_WITH_ROM_VARS. Also makes the pretty print output specify whether we're linking against romvars or not.
2010-09-25 00:27:14 +02:00
# Rule for building ELF files. We use both a wildcard rule that links
# $(SRCLIB) as well as target-specific rules that link $(SRCLIB_ROMVARS)
# Normal targets (wildcard rule):
%_$(BOARD).elf: $(OBJDIR)/%.o $(OBJDIR)/board.a $(MC1322X)/lib/libmc1322x.a $(SRCLIB)
$(call pretty,LINK,$@)
$Q$(CC) $(LDFLAGS) -o $@ -Wl,--start-group $^ -lm -Wl,--end-group
# Targets that need space for rom variables:
Makefile cleanup. This is an attempt to fix and cleanup all of the rules, and get rid of some of the recursion. We still need to invoke make several times when we're building for more than one board, and some things can get a bit weird when that happens, but it should generally work. A single BOARD=foo build should be fully correct, now. I attempted to keep things compatible, so existing Makefiles that include libmc1322x/Makefile.include should still work correctly.
2010-09-20 22:28:22 +02:00
define build_elf_rule
Fix typo, used wrong name for TARGETS_WITH_ROM_VARS. Also makes the pretty print output specify whether we're linking against romvars or not.
2010-09-25 00:27:14 +02:00
$(1)_$$(BOARD).elf: $$(OBJDIR)/$(1).o $$(OBJDIR)/board.a $$(MC1322X)/lib/libmc1322x.a $$(SRCLIB_ROMVARS)
$$(call pretty,LINK (romvars),$$@)
Pretty-print the output by default. This makes it a lot easier to see what's going on, and let me find some problems. Use "make Q=" or set Q= blank in your user Makefile to see the full commands.
2010-09-25 00:21:29 +02:00
$$Q$$(CC) $$(LDFLAGS) -o $$@ -Wl,--start-group $$^ -lm -Wl,--end-group
Makefile cleanup. This is an attempt to fix and cleanup all of the rules, and get rid of some of the recursion. We still need to invoke make several times when we're building for more than one board, and some things can get a bit weird when that happens, but it should generally work. A single BOARD=foo build should be fully correct, now. I attempted to keep things compatible, so existing Makefiles that include libmc1322x/Makefile.include should still work correctly.
2010-09-20 22:28:22 +02:00
endef
Fix typo, used wrong name for TARGETS_WITH_ROM_VARS. Also makes the pretty print output specify whether we're linking against romvars or not.
2010-09-25 00:27:14 +02:00
$(foreach t, $(TARGETS_WITH_ROM_VARS), $(eval $(call build_elf_rule,$(t))))
link objects in as archives so only what we need gets linked. Add an option to build objects without space resevered for rom calls.
2010-03-02 20:32:34 +01:00
Makefile cleanup. This is an attempt to fix and cleanup all of the rules, and get rid of some of the recursion. We still need to invoke make several times when we're building for more than one board, and some things can get a bit weird when that happens, but it should generally work. A single BOARD=foo build should be fully correct, now. I attempted to keep things compatible, so existing Makefiles that include libmc1322x/Makefile.include should still work correctly.
2010-09-20 22:28:22 +02:00
# Generic rules
%.srec: %.elf
Pretty-print the output by default. This makes it a lot easier to see what's going on, and let me find some problems. Use "make Q=" or set Q= blank in your user Makefile to see the full commands.
2010-09-25 00:21:29 +02:00
$(call pretty,OBJCOPY,$@)
$Q$(OBJCOPY) $(OBJCOPYFLAGS) -O srec $< $@
Hi Mar.
2010-02-21 23:34:27 +01:00
Makefile cleanup. This is an attempt to fix and cleanup all of the rules, and get rid of some of the recursion. We still need to invoke make several times when we're building for more than one board, and some things can get a bit weird when that happens, but it should generally work. A single BOARD=foo build should be fully correct, now. I attempted to keep things compatible, so existing Makefiles that include libmc1322x/Makefile.include should still work correctly.
2010-09-20 22:28:22 +02:00
%.ihex: %.elf
Pretty-print the output by default. This makes it a lot easier to see what's going on, and let me find some problems. Use "make Q=" or set Q= blank in your user Makefile to see the full commands.
2010-09-25 00:21:29 +02:00
$(call pretty,OBJCOPY,$@)
$Q$(OBJCOPY) $(OBJCOPYFLAGS) -O ihex $< $@
board.h works now
2010-02-23 21:53:00 +01:00
Makefile cleanup. This is an attempt to fix and cleanup all of the rules, and get rid of some of the recursion. We still need to invoke make several times when we're building for more than one board, and some things can get a bit weird when that happens, but it should generally work. A single BOARD=foo build should be fully correct, now. I attempted to keep things compatible, so existing Makefiles that include libmc1322x/Makefile.include should still work correctly.
2010-09-20 22:28:22 +02:00
%.bin: %.elf
Pretty-print the output by default. This makes it a lot easier to see what's going on, and let me find some problems. Use "make Q=" or set Q= blank in your user Makefile to see the full commands.
2010-09-25 00:21:29 +02:00
$(call pretty,OBJCOPY,$@)
$Q$(OBJCOPY) $(OBJCOPYFLAGS) -O binary $< $@
board.h works now
2010-02-23 21:53:00 +01:00
Makefile cleanup. This is an attempt to fix and cleanup all of the rules, and get rid of some of the recursion. We still need to invoke make several times when we're building for more than one board, and some things can get a bit weird when that happens, but it should generally work. A single BOARD=foo build should be fully correct, now. I attempted to keep things compatible, so existing Makefiles that include libmc1322x/Makefile.include should still work correctly.
2010-09-20 22:28:22 +02:00
%.dis: %.elf
Pretty-print the output by default. This makes it a lot easier to see what's going on, and let me find some problems. Use "make Q=" or set Q= blank in your user Makefile to see the full commands.
2010-09-25 00:21:29 +02:00
$(call pretty,OBJDUMP,$@)
$Q$(OBJDUMP) -Sd $< > $@ || rm -f $@
board.h works now
2010-02-23 21:53:00 +01:00
Add rule to disassemble .o files
2010-09-27 23:32:59 +02:00
%.dis: %.o
$(call pretty,OBJDUMP,$@)
$Q$(OBJDUMP) -d $< > $@ || rm -f $@
Support hardcoded dependencies, for generated files
2010-09-28 08:15:43 +02:00
%.o: %.c $(FORCE_C_DEPENDS)
Pretty-print the output by default. This makes it a lot easier to see what's going on, and let me find some problems. Use "make Q=" or set Q= blank in your user Makefile to see the full commands.
2010-09-25 00:21:29 +02:00
$(call pretty,CC,$@)
$Q$(CC) $(CFLAGS) $(CFLAGS_THUMB) -MMD -c -o $@ $<
Makefile cleanup. This is an attempt to fix and cleanup all of the rules, and get rid of some of the recursion. We still need to invoke make several times when we're building for more than one board, and some things can get a bit weird when that happens, but it should generally work. A single BOARD=foo build should be fully correct, now. I attempted to keep things compatible, so existing Makefiles that include libmc1322x/Makefile.include should still work correctly.
2010-09-20 22:28:22 +02:00
@$(FINALIZE_DEPENDENCY)
board.h works now
2010-02-23 21:53:00 +01:00
Now you can build targets with or without the reserved ROM var space.
2010-03-02 16:38:32 +01:00
%.o: %.S
Pretty-print the output by default. This makes it a lot easier to see what's going on, and let me find some problems. Use "make Q=" or set Q= blank in your user Makefile to see the full commands.
2010-09-25 00:21:29 +02:00
$(call pretty,AS,$@)
$Q$(CC) $(AFLAGS) -MMD -c -o $@ $<
Now you can build targets with or without the reserved ROM var space.
2010-03-02 16:38:32 +01:00
@$(FINALIZE_DEPENDENCY)
build lib with thumb
2010-03-02 00:02:29 +01:00
Pretty-print the output by default. This makes it a lot easier to see what's going on, and let me find some problems. Use "make Q=" or set Q= blank in your user Makefile to see the full commands.
2010-09-25 00:21:29 +02:00
(%): %
$(call pretty,AR,$@($<))
@$(AR) $(ARFLAGS) $@ $<
Makefile cleanup. This is an attempt to fix and cleanup all of the rules, and get rid of some of the recursion. We still need to invoke make several times when we're building for more than one board, and some things can get a bit weird when that happens, but it should generally work. A single BOARD=foo build should be fully correct, now. I attempted to keep things compatible, so existing Makefiles that include libmc1322x/Makefile.include should still work correctly.
2010-09-20 22:28:22 +02:00
# Fix the dependencies generated for a particular target .o
# See http://make.paulandlesley.org/autodep.html#advanced
define FINALIZE_DEPENDENCY
cp $(@:.o=.d) $(@:.o=.$$$$); \
sed -e 's/#.*//' -e 's/^[^:]*: *//' -e 's/ *\\$$//' \
-e '/^$$/ d' -e 's/$$/ :/' < $(@:.o=.$$$$) >> $(@:.o=.d); \
rm -f $(@:.o=.$$$$)
endef
clean::
rm -f *.{o,d,a,bin,elf,ihex,srec,dis,map,bak} *~
put object files in OBJDIR
2010-02-23 00:58:45 +01:00
Makefile cleanup. This is an attempt to fix and cleanup all of the rules, and get rid of some of the recursion. We still need to invoke make several times when we're building for more than one board, and some things can get a bit weird when that happens, but it should generally work. A single BOARD=foo build should be fully correct, now. I attempted to keep things compatible, so existing Makefiles that include libmc1322x/Makefile.include should still work correctly.
2010-09-20 22:28:22 +02:00
.PHONY: clean
now running just 'make' builds all the targets for all the boards.
2010-02-24 00:54:50 +01:00
Makefile cleanup. This is an attempt to fix and cleanup all of the rules, and get rid of some of the recursion. We still need to invoke make several times when we're building for more than one board, and some things can get a bit weird when that happens, but it should generally work. A single BOARD=foo build should be fully correct, now. I attempted to keep things compatible, so existing Makefiles that include libmc1322x/Makefile.include should still work correctly.
2010-09-20 22:28:22 +02:00
##############################
cleanup main makefile
2010-02-24 00:27:12 +01:00
Makefile cleanup. This is an attempt to fix and cleanup all of the rules, and get rid of some of the recursion. We still need to invoke make several times when we're building for more than one board, and some things can get a bit weird when that happens, but it should generally work. A single BOARD=foo build should be fully correct, now. I attempted to keep things compatible, so existing Makefiles that include libmc1322x/Makefile.include should still work correctly.
2010-09-20 22:28:22 +02:00
# If no single board was specified, invoke make recursively for each
# board in $(BOARDS), or $(ALL_BOARDS) if that wasn't specified either.
# This is at the end so that it can override all other targets.
ifndef BOARD
ifneq ($(MAKECMDGOALS),clean)
.DEFAULT_GOAL=mc1322x-default
BOARDS ?= $(ALL_BOARDS)
define build_board
@echo "Building for board: $(1)"
@$(MAKE) --no-print-directory BOARD=$(1) $(2)
endef
$(MAKECMDGOALS):
$(foreach b, $(BOARDS), $(call build_board,$(b),$@))
mc1322x-default:
$(foreach b, $(BOARDS), $(call build_board,$(b),))
endif
endif
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