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# *****************************************************************************
# * Copyright (c) 2004, 2008 IBM Corporation
# * All rights reserved.
# * This program and the accompanying materials
# * are made available under the terms of the BSD License
# * which accompanies this distribution, and is available at
# * http://www.opensource.org/licenses/bsd-license.php
# *
# * Contributors:
# * IBM Corporation - initial implementation
# ****************************************************************************/
# Before including this Makefile, you should specify the following variables
# in your Makefile:
# - INCLCMNDIR : Points to the common include directory
# - INCLCMNDIR : Points to the board specific include directory
# - SLOFCMNDIR : Points to the common SLOF directory
# - SLOFBRDDIR : Points to the board specific SLOF directory
# - LLFWCMNDIR : Points to the common LLFW directory
# - LLFWBRDDIR : Points to the board specific LLFW directory
# Set LLFW directories (should normally be set from parent Makefile):
TOPBRDDIR ?= $(shell cd .. && pwd)
LLFWBRDDIR ?= $(TOPBRDDIR)/llfw
LLFWCMNDIR ?= $(SLOFCMNDIR:%/slof=%/llfw)
INCLBRDDIR ?= $(TOPBRDDIR)/include
CPPFLAGS += -I. -I$(INCLCMNDIR) -I$(INCLBRDDIR) -I$(INCLCMNDIR)/$(CPUARCH)
CFLAGS = -DTARG=$(TARG) -static -Wall -W -std=gnu99 \
-O2 -fomit-frame-pointer -msoft-float $(FLAG) $(CPUARCHDEF) \
-fno-stack-protector -fno-strict-aliasing
ASFLAGS = -Wa,-mpower4 -Wa,-mregnames $(FLAG) $(CPUARCHDEF)
LDFLAGS += -static -nostdlib -Wl,-q,-n
ifneq ($(TARG),unix)
CFLAGS += -nostdinc -fno-builtin
CPPFLAGS += -I$(LIBCMNDIR)/libc/include
SLOF_LIBS += $(LIBCMNDIR)/libc.a
endif
DICT = $(SLOFCMNDIR)/prim.in $(SLOFCMNDIR)/engine.in \
$(BOARD_SLOF_IN) $(SLOFCMNDIR)/$(TARG).in
# Source code files with automatic dependencies:
SLOF_BUILD_SRCS = paflof.c helpers.c allocator.c
# Flags for pre-processing Forth code with CPP:
FPPFLAGS = -nostdinc -traditional-cpp -undef -P -C $(FLAG)
FPPINCLUDES ?= -I$(SLOFBRDDIR) -I$(SLOFCMNDIR)/fs
# Rules for pre-processing Forth code:
# - Use CPP for pre-processing #include directives
# - Use sed to strip all white spaces at the beginning of a line
# - Use sed to remove all lines that only contain a comment
# - Use sed to remove all empty lines from the file
%.fsi: %.fs
ifeq ($(V),1)
printf "\t[FPP]\t%s\n" `basename "$@"`
endif
rm -f $@
cpp $(FPPFLAGS) $(FPPINCLUDES) $< > $@.tmp
sed -e 's/^[ ]*//' < $@.tmp \
| sed -e '/^\\[ ]/d' \
| sed -e '/^([ ][^)]*[ ])[ ]*$$/d' \
| sed -e '/^$$/d' > $@
rm -f $@.tmp
OF.o: OF.fsi
$(LD) -o $@ -r -bbinary $<
dict.xt: $(DICT) $(SLOFCMNDIR)/ref.pl
cat $(DICT) | perl $(SLOFCMNDIR)/ref.pl -s $(CELLSIZE) > dict.xt
ifdef BOARD_SLOF_CODE
board.code: $(BOARD_SLOF_CODE)
cat $(BOARD_SLOF_CODE) > $@
else
board.code:
echo > $@
endif
paflof: $(SLOFCMNDIR)/OF.lds $(SLOFCMNDIR)/ofw.o paflof.o $(SLOFCMNDIR)/entry.o \
helpers.o allocator.o romfs.o version.o OF.o nvramlog.o $(LLFWBRDDIR)/board_io.o \
$(LLFWBRDDIR)/io_generic_lib.o $(SLOF_LIBS)
$(CC) -T$(SLOFCMNDIR)/OF.lds $(SLOFCMNDIR)/ofw.o version.o paflof.o helpers.o allocator.o \
$(SLOFCMNDIR)/entry.o romfs.o OF.o nvramlog.o $(LLFWBRDDIR)/board_io.o \
$(LLFWBRDDIR)/io_generic_lib.o $(LDFLAGS) $(SLOF_LIBS) -o $@
#save a copy of paflof before stripping
@cp $@ $@.unstripped
$(STRIP) --strip-unneeded $@
paflof.o: board.code dict.xt
$(CC) $(CPPFLAGS) $(CFLAGS) -c -o $@ $(SLOFCMNDIR)/paflof.c
helpers.o:
$(CC) $(CPPFLAGS) $(CFLAGS) -c -o $@ $(SLOFCMNDIR)/helpers.c
allocator.o:
$(CC) $(CPPFLAGS) $(CFLAGS) -c -o $@ $(SLOFCMNDIR)/allocator.c
$(SLOFCMNDIR)/xvect.bin: $(SLOFCMNDIR)/lowmem.o
$(CC) $(LDFLAGS) -Wl,--oformat,binary -Ttext=0x100 -o xvect.bin.tmp $<
dd if=xvect.bin.tmp of=$(SLOFCMNDIR)/xvect.bin bs=256 skip=1 2>/dev/null
rm -f xvect.bin.tmp
romfs.o:
$(CC) $(CPPFLAGS) $(ASFLAGS) -c -o $@ $(LLFWCMNDIR)/romfs.S
nvramlog.o:
$(CC) $(CPPFLAGS) $(ASFLAGS) -c -o $@ $(LLFWCMNDIR)/nvramlog.S
checkpoint.o:
$(CC) $(CPPFLAGS) $(ASFLAGS) -c -o $@ $(LLFWCMNDIR)/checkpoint.S
$(LLFWBRDDIR)/board_io.o:
$(MAKE) -C $(LLFWBRDDIR) board_io.o
$(LLFWBRDDIR)/io_generic_lib.o:
$(MAKE) -C $(LLFWBRDDIR) io_generic_lib.o
default-font.o: $(SLOFCMNDIR)/default-font.c
$(CC) $(CPPFLAGS) $< -c -o default-font.o
$(SLOFBRDDIR)/default-font.bin: default-font.o
$(OBJCOPY) -Obinary default-font.o $@
.PHONY : create_OF.ffs clean_slof distclean_slof depend
# Create OF.ffs automatically from file list in OF_FFS_FILES variable.
# We have to use absolute path names there, so we have to use `pwd` to
# find them out:
create_OF_ffs:
rm -f OF.ffs
@for i in $(OF_FFS_FILES) ; do \
CURRENTDIR=`pwd` ; cd `dirname $$i` ; \
DIRNAME=`pwd` ; cd $$CURRENTDIR ; \
echo `basename $$i | sed -e s/\.fsi/\.fs/` \
$$DIRNAME/`basename $$i` 0 0 >> OF.ffs ; \
done
# Targets for cleaning up:
clean_slof:
rm -f $(SLOFCMNDIR)/*.o $(SLOFCMNDIR)/*.bin $(SLOFCMNDIR)/*.elf
rm -f dict.xt board.code paflof paflof.unstripped default-font.bin
rm -f $(filter %.fsi,$(OF_FFS_FILES))
distclean_slof: clean_slof
rm -f Makefile.dep
# Rules for creating the dependency file:
depend:
rm -f Makefile.dep
$(MAKE) Makefile.dep
Makefile.dep: Makefile $(SLOFCMNDIR)/Makefile.inc OF.fs
$(CC) -M -MG $(CPPFLAGS) $(CFLAGS) $(SLOF_BUILD_SRCS:%=$(SLOFCMNDIR)/%) > Makefile.dep
cpp -M -MG $(FPPFLAGS) $(FPPINCLUDES) -MT OF.fsi OF.fs >> Makefile.dep
for i in $(filter %.fsi,$(OF_FFS_FILES)) ; do \
cpp -M -MG $(FPPFLAGS) $(FPPINCLUDES) -MT $$i \
`echo $$i | sed -e 's/\.fsi/\.fs/'` >> Makefile.dep ; \
done
# Include dependency file if available:
-include Makefile.dep
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