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#
# <Makefile>
#
# Makefile for Open Hack'Ware.
#
# Copyright (C) 2004-2005 Jocelyn Mayer (l_indien@magic.fr)
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License V2
# as published by the Free Software Foundation
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
#DEBUG=1
CROSS_COMPILE?=powerpc-linux-
CC:= $(CROSS_COMPILE)gcc -m32
LD:= $(CROSS_COMPILE)ld -m elf32ppc
OBJCOPY:= $(CROSS_COMPILE)objcopy
MKDIR:= mkdir
CAT:= cat
TAR:= tar
RM:= rm -rf --
ECHO:= echo
ifeq ("$(DEBUG)", "1")
DEBUG:= $(ECHO)
else
DEBUG:= \#
endif
BUILD_DATE:= $(shell date -u +%F)
BUILD_TIME:= $(shell date -u +%T)
OBJDIR:= .objs
DISTDIR:= .
SRCDIR:= src
CC_BASE:= $(shell $(CC) -print-search-dirs | grep install | sed -e 's/.*\ //')
CFLAGS= -Wall -W -Werror -O2 -g -fno-builtin -fno-common -nostdinc -mregnames
# Disable a few warnings that would just create needless code churn
CFLAGS+= -Wno-pointer-sign -Wno-unused-but-set-variable
CFLAGS+= -DBUILD_DATE=$(BUILD_DATE) -DBUILD_TIME=$(BUILD_TIME)
CFLAGS+= -I$(SRCDIR)/ -I$(SRCDIR)/libc/include -I$(CC_BASE)/include
CFLAGS+= -I$(SRCDIR)/dev -I$(SRCDIR)/dev/block -I$(SRCDIR)/dev/char
CFLAGS+= -I$(SRCDIR)/dev/bus
LDFLAGS= -O2 -g -nostdlib
BIOS_IMAGE_BITS:= 20
BIOS_IMAGE_SIZE:= $(shell echo $$(( 1 << $(BIOS_IMAGE_BITS) )) )
BOOT_SIZE := 0x00000200
VECTORS_BASE := 0x00000000
VECTORS_SIZE := $(shell echo $$(( 0x00004000 - $(BOOT_SIZE) )) )
VECTORS_END := $(shell echo $$(( $(VECTORS_BASE) + $(VECTORS_SIZE) )) )
BIOS_BASE := 0x05800000
BIOS_SIZE := $(shell echo $$(( $(BIOS_IMAGE_SIZE) - $(BOOT_SIZE) - $(VECTORS_SIZE) )) )
BIOS_END := $(shell echo $$(( $(BIOS_BASE) + $(BIOS_SIZE) )) )
LOAD_IMAGE_BASE:= 0x04000000
# boot.bin build options
boot.o_CFLAGS:= -DBOOT_SIZE=$(BOOT_SIZE)
boot.o_CFLAGS+= -DVECTORS_BASE=$(VECTORS_BASE) -DVECTORS_SIZE=$(VECTORS_SIZE)
boot.o_CFLAGS+= -DBIOS_IMAGE_BITS=$(BIOS_IMAGE_BITS)
boot.out_LDFLAGS+= -T $(SRCDIR)/boot.ld
# vectors.bin build options
vectors.o_CFLAGS:= -DBIOS_BASE=$(BIOS_BASE) -DBIOS_SIZE=$(BIOS_SIZE)
vectors.out_LDFLAGS+= -T $(SRCDIR)/vectors.ld
vectors.bin_OPTIONS:= --pad-to $(VECTORS_END)
# main.bin build options
main.o_CFLAGS:= -DLOAD_IMAGE_BASE=$(LOAD_IMAGE_BASE)
main.out_LDFLAGS:= -T $(SRCDIR)/main.ld
main.out_OBJS:= main.o bootinfos.o bloc.o pci.o of.o start.o nvram.o vga.o mm.o char.o
main.out_OBJS:= $(addprefix $(OBJDIR)/, $(main.out_OBJS))
# Pseudo-libc objects
FORMAT_FUNCS:= _vprintf printf sprintf snprintf vprintf vsprintf vsnprintf
FORMAT_FUNCS+= dprintf vdprintf
MEM_FUNCS:= memcpy memccpy mempcpy memmove memcmove mempmove
MEM_FUNCS+= memset memcmp memchr rawmemchr memrchr memmem
STR_FUNCS:= strcpy strdup strndup stpcpy stpncpy strcat strncat
STR_FUNCS+= strcmp strcasecmp strncmp strncasecmp strchr strchrnul strrchr
STR_FUNCS+= basename dirname
STR_FUNCS+= strlen strnlen
MODULES:= format mem str
format_OBJS:=$(addsuffix .o, $(FORMAT_FUNCS))
mem_OBJS:=$(addsuffix .o, $(MEM_FUNCS))
str_OBJS:=$(addsuffix .o, $(STR_FUNCS))
pseudo_libc_OBJS:= malloc.o errno.o $(format_OBJS) $(mem_OBJS) $(str_OBJS)
#pseudo_libc_OBJS:= errno.o $(format_OBJS) $(mem_OBJS) $(str_OBJS)
main.out_OBJS+= $(addprefix $(OBJDIR)/, $(pseudo_libc_OBJS))
# libexec objects
libexec_OBJS:= core.o elf.o xcoff.o macho.o chrp.o prep.o pef.o
main.out_OBJS+= $(addprefix $(OBJDIR)/exec_, $(libexec_OBJS))
# libfs objects
libfs_OBJS:= core.o raw.o ext2.o isofs.o hfs.o
main.out_OBJS+= $(addprefix $(OBJDIR)/fs_, $(libfs_OBJS))
# libpart objects
libpart_OBJS:= core.o apple.o isofs.o prep.o
main.out_OBJS+= $(addprefix $(OBJDIR)/part_, $(libpart_OBJS))
# char devices drivers
chardev_OBJS:= pckbd.o kbdadb.o kbd.o
# bloc devices drivers
blocdev_OBJS:=
# devices drivers
dev_OBJS:= $(addprefix bloc_, $(blocdev_OBJS))
dev_OBJS+= $(addprefix char_, $(chardev_OBJS))
main.out_OBJS+= $(addprefix $(OBJDIR)/dev_, $(dev_OBJS))
CUR= $(notdir $@)
CFLAGS+= $($(CUR)_CFLAGS)
LDFLAGS+= $($(CUR)_LDFLAGS)
BIN_TARGETS:= $(OBJDIR)/vectors.bin $(OBJDIR)/main.bin $(OBJDIR)/boot.bin
TARGET:= ppc_rom.bin
main.bin_OPTIONS:= --gap-fill 0xFF --pad-to $(BIOS_END)
CURDIR:= $(shell basename `pwd`)
SOURCES:= boot.S vectors.S start.S main.c of.c
SOURCES+= vga.c vgafont.h bootinfos.c nvram.c file.c fs.c part.c bloc.c pci.c bios.h
LD_SCRIPTS:= boot.ld vectors.ld main.ld
MISC_FILES:= Makefile COPYING README Changelog Timestamp
SVN_DIRS:= $(shell find . -type d -name .svn)
TARBALL:= OpenHackWare.tar.bz2
TARFILES:= $(addprefix $(SRCDIR)/, $(SOURCES) $(LD_SCRIPTS)) $(MISC_FILES)
SVN_TARBALL:= OpenHackWare_svn.tar.bz2
DISTFILE:= OpenHackWare_bin.tar.bz2
#all: print
all: $(OBJDIR) $(DISTDIR) $(addprefix $(DISTDIR)/, $(TARGET))
dist: all $(CURDIR)/Timestamp
cd $(DISTDIR) && $(TAR) -cjf $(DISTFILE) $(DISTDIR)/$(TARGET) Timestamp
print:
@$(DEBUG) "BOOT_SIZE = $(BOOT_SIZE)"
@$(DEBUG) "VECTORS_BASE = $(VECTORS_BASE)"
@$(DEBUG) "VECTORS_SIZE = $(VECTORS_SIZE)"
@$(DEBUG) "VECTORS_END = $(VECTORS_END)"
@$(DEBUG) "BIOS_BASE = $(BIOS_BASE)"
@$(DEBUG) "BIOS_SIZE = $(BIOS_SIZE)"
@$(DEBUG) "BIOS_END = $(BIOS_END)"
$(OBJDIR) $(DISTDIR):
@$(MKDIR) $@
$(DISTDIR)/$(TARGET): $(BIN_TARGETS)
$(CAT) $^ > $@
$(OBJDIR)/%.bin: $(OBJDIR)/%.out
$(OBJCOPY) -O binary $($(notdir $@)_OPTIONS) $< $@
$(OBJDIR)/%.out: $(OBJDIR)/%.o $(SRCDIR)/%.ld
$(LD) $(LDFLAGS) -o $@ $<
$(OBJDIR)/main.out: $(main.out_OBJS) $(SRCDIR)/main.ld
$(LD) $(LDFLAGS) -o $@ $(main.out_OBJS)
$(OBJDIR)/%.o: $(SRCDIR)/%.c $(SRCDIR)/bios.h
@$(DEBUG) "CFLAGS = $(CFLAGS)"
$(CC) -c $(CFLAGS) -o $@ $<
$(OBJDIR)/%.o: $(SRCDIR)/%.S $(SRCDIR)/bios.h
@$(DEBUG) "CFLAGS = $(CFLAGS)"
$(CC) -c $(CFLAGS) -Wa,-mregnames -o $@ $<
$(CC) $(CFLAGS) -D__USE_$(subst .o,,$(@F))__ -c -o $@ $<
# Pseudo libc objects
$(OBJDIR)/%.o: $(SRCDIR)/libc/src/%.c
@$(DEBUG) "CFLAGS = $(CFLAGS)"
$(CC) -c $(CFLAGS) -o $@ $<
$(OBJDIR)/mem%.o: $(SRCDIR)/libc/src/mem.c
$(CC) $(CFLAGS) -D__USE_$(subst .o,,$(@F))__ -c -o $@ $<
$(OBJDIR)/rawmemchr.o: $(SRCDIR)/libc/src/mem.c
$(CC) $(CFLAGS) -D__USE_$(subst .o,,$(@F))__ -c -o $@ $<
$(OBJDIR)/str%.o: $(SRCDIR)/libc/src/str.c
@$(DEBUG) "CFLAGS = $(CFLAGS)"
$(CC) $(CFLAGS) -D__USE_$(subst .o,,$(@F))__ -c -o $@ $<
$(OBJDIR)/stp%.o: $(SRCDIR)/libc/src/str.c
@$(DEBUG) "CFLAGS = $(CFLAGS)"
$(CC) $(CFLAGS) -D__USE_$(subst .o,,$(@F))__ -c -o $@ $<
$(OBJDIR)/basename.o: $(SRCDIR)/libc/src/str.c
@$(DEBUG) "CFLAGS = $(CFLAGS)"
$(CC) $(CFLAGS) -D__USE_$(subst .o,,$(@F))__ -c -o $@ $<
$(OBJDIR)/dirname.o: $(SRCDIR)/libc/src/str.c
@$(DEBUG) "CFLAGS = $(CFLAGS)"
$(CC) $(CFLAGS) -D__USE_$(subst .o,,$(@F))__ -c -o $@ $<
$(OBJDIR)/%rintf.o: $(SRCDIR)/libc/src/format.c
@$(DEBUG) "CFLAGS = $(CFLAGS)"
$(CC) $(CFLAGS) -D__USE_$(subst .o,,$(@F))__ -c -o $@ $<
# libexec objects
$(OBJDIR)/exec_%.o: $(SRCDIR)/libexec/%.c
@$(DEBUG) "CFLAGS = $(CFLAGS)"
$(CC) -c $(CFLAGS) -o $@ $<
# libfs objects
$(OBJDIR)/fs_%.o: $(SRCDIR)/libfs/%.c
@$(DEBUG) "CFLAGS = $(CFLAGS)"
$(CC) -c $(CFLAGS) -o $@ $<
# libpart objects
$(OBJDIR)/part_%.o: $(SRCDIR)/libpart/%.c
@$(DEBUG) "CFLAGS = $(CFLAGS)"
$(CC) -c $(CFLAGS) -o $@ $<
# Devices drivers
$(OBJDIR)/dev_%.o: $(SRCDIR)/dev/%.c
@$(DEBUG) "CFLAGS = $(CFLAGS)"
$(CC) -c $(CFLAGS) -o $@ $<
# Char devices drivers
$(OBJDIR)/dev_char_%.o: $(SRCDIR)/dev/char/%.c
@$(DEBUG) "CFLAGS = $(CFLAGS)"
$(CC) -c $(CFLAGS) -o $@ $<
# Bloc devices drivers
$(OBJDIR)/dev_bloc_%.o: $(SRCDIR)/dev/bloc/%.c
@$(DEBUG) "CFLAGS = $(CFLAGS)"
$(CC) -c $(CFLAGS) -o $@ $<
# Other targets
tarball: $(CURDIR)/Timestamp
cd .. && $(TAR) -cjf $(CURDIR)/$(TARBALL) \
$(addprefix $(CURDIR)/, $(TARFILES))
svntarball: $(CURDIR)/Timestamp
cd .. && $(TAR) -cjf $(CURDIR)/$(SVN_TARBALL) \
$(addprefix $(CURDIR)/, $(TARFILES) $(SVN_DIRS))
$(CURDIR)/Timestamp: force
@cd .. && echo "$(BUILD_DATE) at $(BUILD_TIME)" > $@
clean:
$(RM) $(OBJDIR) $(addprefix $(DISTDIR)/, $(TARGETS))
$(RM) $(DISTFILE) $(CURDIR)/$(TARBALL)
cleansrc: clean
$(RM) *~ src/*~ .*~ src/.*~
# Keep all intermediary files
.PRECIOUS: $(OBJDIR)/%.o $(OBJDIR)/%.out
.PHONY: all dist print tarball clean cleansrc
force:
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