DIR = cdpreboot
include ../MakePaths.dir

OPTIM = -Os -Oz
CPPFLAGS = -DBOOT1 -DCDPREBOOT
CFLAGS	= $(RC_CFLAGS) $(OPTIM) $(MORECPP) -arch i386 -g -Wmost -Werror \
          -DSAIO_INTERNAL_USER \
          $(STANDALONE_CFLAGS)
DEFINES=
CONFIG = hd
SYMDIR = $(SYMROOT)
LIBSADIR = ../libsa
LIBSAIODIR = ../libsaio
UTILDIR = ../util
INC = -I. -I.. -I$(SYMDIR) -I$(LIBSADIR) -I$(LIBSAIODIR) -I$(UTILDIR)
ifneq "" "$(wildcard /bin/mkdirs)"
  MKDIRS = /bin/mkdirs
else
  MKDIRS = /bin/mkdir -p
endif
AS = as
LD = gcc
LIBS= -L$(SYMDIR) -lsaio_base -lsa

OTHER_FILES =

NASM = $(SYMROOT)/nasm
INSTALLDIR = $(DSTROOT)/usr/standalone/i386
# NOTE: Do not use libsaio directly as it will have been built for the wrong addresses.
# Instead we use the new libsaio_base.a and compile table.o, asm.o, and bios.o using
# some preprocessor definitions that cause them to use the right addresses.

VPATH = $(SYMROOT):$(OBJROOT)
vpath %.s ../libsaio
vpath %   $(SYMROOT)
vpath %.c ../libsaio
vpath %   $(SYMROOT)
###vpath %.h ../libsaio
###vpath %   $(SYMROOT)
# Our own objects
OBJS = cdpreboot.o boot.o eltorito.o graphics.o
# From libsaio
OBJS += table.o asm.o bios.o


UTILDIR = ../util
SFILES = cdpreboot.s bios.s asm.s
CFILES = boot.c table.c
HFILES =
OTHERFILES = Makefile
ALLSRC = $(FOREIGNSRC) $(FOREIGNBIN) $(SFILES) $(CFILES) \
	$(HFILES) $(OTHERFILES)
DIRS_NEEDED = $(OBJROOT) $(SYMROOT)


# Historical name for this variable
BOOT1UADDR = 10200
MAXBOOTSIZE = 60000

all: $(DIRS_NEEDED) cdpreboot


# Build the "boot sector" which loads the rest
cdpreboot0: cdpreboot0.s $(SYMROOT)/boot Makefile $(NASM)
	$(NASM) cdpreboot0.s -o $(SYMROOT)/cdpreboot0

# Build the complete binary, including concatenating it with the "boot sector"
cdpreboot: $(SYMROOT)/machOconv cdpreboot0 $(OBJS)
	$(LD) -arch i386 -fno-builtin -static -Wl,-preload -Wl,-segaddr,__TEXT,$(BOOT1UADDR) -nostdlib -Wl,-segalign,20 \
		-Wl,-e,bootu \
		-Wl,-segment_order,__TEXT:__LOSEG:__DATA \
		-o $(SYMROOT)/$(@F).sys $(filter %.o,$^) $(LIBS) -lcc_kext
	size $(SYMROOT)/$(@F).sys
	$(SYMROOT)/machOconv $(SYMROOT)/$(@F).sys $(SYMROOT)/$(@F).post
	ls -l $(SYMROOT)/$(@F).post
	@( size=`ls -l $(SYMROOT)/$(@F).post | awk '{ print $$5}'` ; \
	  if expr "$$size" ">" "$(MAXBOOTSIZE)" > /dev/null ;\
	  then \
	    echo "Booter executable larger than $(MAXBOOTSIZE) bytes" ;\
	    exit 1;\
	  fi)
	cat $(SYMROOT)/cdpreboot0 $(SYMROOT)/$(@F).post | dd obs=2k conv=osync of=$(SYMROOT)/$(@F)
	rm $(SYMROOT)/$(@F).post

install_i386:: all $(INSTALLDIR)
	cp $(SYMROOT)/cdpreboot $(INSTALLDIR)
	cd $(INSTALLDIR); chmod u+w cdpreboot

clean::
	rm -f $(SYMROOT)/cdpreboot.sys $(SYMROOT)/cdpreboot $(SYMROOT)/cdpreboot0

include ../MakeInc.dir

#dependencies
-include $(OBJROOT)/Makedep