######################################################################
##                
## Copyright (C) 2003,  Karlsruhe University
##                
## File path:     Makefile.in
##                
## Redistribution and use in source and binary forms, with or without
## modification, are permitted provided that the following conditions
## are met:
## 1. Redistributions of source code must retain the above copyright
##    notice, this list of conditions and the following disclaimer.
## 2. Redistributions in binary form must reproduce the above copyright
##    notice, this list of conditions and the following disclaimer in the
##    documentation and/or other materials provided with the distribution.
## 
## THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
## ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
## IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
## ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
## FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
## DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
## OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
## HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
## LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
## OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
## SUCH DAMAGE.
##                
## $Id: Makefile.in,v 1.17 2005/01/12 03:03:26 cvansch Exp $
##                
######################################################################

srcdir=		@srcdir@
top_srcdir=	@top_srcdir@
top_builddir=	@top_builddir@

include $(top_srcdir)/Mk/l4.base.mk

OBJCOPY=	$(TOOLPREFIX)objcopy
STRIP=		$(TOOLPREFIX)strip
OBJDUMP=	$(TOOLPREFIX)objdump

SIGMA0?=	$(top_builddir)/serv/sigma0/sigma0
ROOT_TASK?=	$(top_builddir)/apps/bench/pingpong/pingpong
#ROOT_TASK?=	$(top_builddir)/apps/l4test/l4test
KERNEL?=	$(kerneldir)/$(ARCH)-kernel
PRINT=		$(top_builddir)/lib/io/print.o

MODULES+=	sigma0.img root_task.img kernel.img
OBJS+=		$(PRINT)

TARGET=	$(ARCH)-loader
PROGRAM_DEPS=	$(SIGMA0) $(ROOT_TASK) $(KERNEL)

SRCS_powerpc=	ofppc/
SRCS_mips64=	platform/$(PLAT)/main.cc platform/$(PLAT)/head.S
SRCS_alpha=	platform/srm/main.cc platform/srm/head.S platform/srm/console.cc platform/srm/utils.cc platform/srm/alpha-divrem.S platform/srm/dispatch.S
SRCS_arm=       platform/$(PLAT)/main.cc platform/$(PLAT)/head.S
SRCS_sparc64=	platform/ofsparc64/main.cc platform/ofsparc64/head.S $(SRCS_openfirmware)

SRCS_openfirmware=	common/openfirmware/openfirmware.cc common/openfirmware/console.cc common/openfirmware/memory.cc common/openfirmware/device_tree.cc common/string.cc common/kip.cc

SRCS=	common/elf.cc common/loader.cc $(SRCS_$(ARCH))

common/loader.o: kernel.img

CFLAGS_mips64= -I$(top_srcdir)/contrib/elf-loader/include/mips64
CFLAGS_alpha= -I$(top_srcdir)/contrib/elf-loader/include/alpha -O2 -mno-fp-regs -freg-struct-return -mcpu=ev4
CFLAGS_arm= -I$(top_srcdir)/contrib/elf-loader/include/arm 
CFLAGS_sparc64= -I$(top_srcdir)/contrib/elf-loader/include/sparc64 -O2

LDS_alpha = $(top_srcdir)/contrib/elf-loader/platform/srm/linker.lds
LDS_mips64 = $(top_srcdir)/contrib/elf-loader/platform/$(PLAT)/linker.lds
LDS_arm = $(top_srcdir)/contrib/elf-loader/platform/$(PLAT)/linker.lds 
LDS_sparc64 = $(top_srcdir)/contrib/elf-loader/platform/$(PLAT)/linker.lds

CFLAGS+=	-fno-builtin -I$(top_srcdir)/contrib/elf-loader/include $(CFLAGS_$(ARCH))

ifeq ($(ARCH),mips64)
OFORMAT_mips64_sb1= elf32-bigmips
OFORMAT_mips64_u4600= elf32-bigmips
OFORMAT_mips64_erpcn01= elf32-littlemips
OFORMAT_mips64_vr41xx= elf32-littlemips

OFORMAT_mips64=$(OFORMAT_$(ARCH)_$(PLAT))
endif

ifeq ($(ARCH),arm)
OFORMAT_arm_pleb= elf32-littlearm
OFORMAT_arm_pleb2= elf32-littlearm
OFORMAT_arm_innovator= elf32-littlearm
OFORMAT_arm_ixdp425= elf32-bigarm
OFORMAT_arm_csb337= elf32-littlearm

OFORMAT_arm=$(OFORMAT_$(ARCH)_$(PLAT))

LIBS+= -lgcc

ifeq ($(PLAT),innovator)
SRCS_arm+= platform/$(PLAT)/io_omap1510.cc
endif
endif

OFORMAT_alpha= elf64-alpha

OFORMAT_sparc64= elf64-sparc

OFORMAT= $(OFORMAT_$(ARCH))

pre-all:
	@if test ! -d common; then mkdir common; fi
	@if test ! -d common/openfirmware; then mkdir common/openfirmware; fi
	@if test ! -d platform; then mkdir platform; fi
	@if test ! -d platform/$(PLAT); then mkdir platform/$(PLAT); fi

extract_symbol = $(shell $(OBJDUMP) -h $(1) | awk '$$2 == $(2) {print "0x" $$5;}')

KIP_ADDR = $(call extract_symbol,$(KERNEL),".kip")

CFLAGS += -DKIP_ADDR=$(KIP_ADDR)

include $(top_srcdir)/Mk/l4.prog.mk

.INTERMEDIATE: lds.tmp
lds.tmp: $(LDS_$(ARCH))
	@$(CPP) $(PPFLAGS) -I$(kerneldir)/config -P -C -x c $< -o $@
#	cp $< lds.tmp

$(TARGET): $(MODULES) $(OBJS) lds.tmp
	@echo "Linking $(NAME) ($(TARGET))"
	$(LD) $(LDFLAGS) -Tlds.tmp -o $@ $(OBJS) $(MODULES) $(LIBS) 
	@$(STRIP) -g $@
	@$(OBJCOPY) -O binary $@ $@.bin
	@$(OBJCOPY) -O srec $@ $@.srec

kernel.img: $(KERNEL)
	echo "" > test.S && $(AS) $(CFLAGS) -o $@ -c test.S && rm test.S
	$(OBJCOPY) --add-section .mod_$(basename $@)=$^ $@

sigma0.img: $(SIGMA0)
	echo "" > test.S && $(AS) $(CFLAGS) -o $@ -c test.S && rm test.S
	$(OBJCOPY) --add-section .mod_sigma0=$^ $@

root_task.img: $(ROOT_TASK) Makefile
	echo "" > test.S && $(AS) $(CFLAGS) -o $@ -c test.S && rm test.S
	$(OBJCOPY) --add-section .mod_root=$(ROOT_TASK)  $@

all: $(TARGET)