# Makefile.am - Makefile template for viengoos.
# Copyright (C) 2003, 2004, 2007, 2008, 2009 Free Software Foundation, Inc.
# Written by Marcus Brinkmann.
#
# This file is part of the GNU Hurd.
# 
# The GNU Hurd is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This GNU Hurd 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, see <http://www.gnu.org/licenses/>.

if ARCH_IA32
  arch=ia32
  arch_src := ia32-output.c ia32-crt0.S ia32-cmain.c
endif
if ARCH_X86_64
  arch=x86_64
  arch_src := x86_64-output.c boot.S boot32.c boot64.c crt0.S \
	gdt.c tss.c idt.c pic.c timer-arch.c syscall.c thread-arch.c
endif


# The source files are scattered over several directories.  Add 
# all these directories to the vpath.
SYSDEP_PATH = $(srcdir)/sysdeps/${arch} \
	$(srcdir)/sysdeps/generic \
	$(srcdir)
VPATH = $(SYSDEP_PATH)

bootdir = $(prefix)/boot
if ! ENABLE_TESTS
boot_PROGRAMS = viengoos

all-local: viengoos.stripped
viengoos.stripped: viengoos
	strip -o $@ $<

# If we use viengoos_CPPFLAGS, then automake generates special rules
# that hardcode the source essentially ignoring the VPATH.  That's
# annoying.  This doesn't happen if we use AM_CPPFLAGS.
AM_CPPFLAGS = $(addprefix -I, $(SYSDEP_PATH)) $(KERNEL_CPPFLAGS)
AM_CFLAGS = $(KERNEL_CFLAGS)
viengoos_SOURCES =                              \
	output.h output.c output-none.c		\
	debug.h debug.c				\
	shutdown.h shutdown.c arch-shutdown.c	\
	panic.c					\
	sigma0.h sigma0.c			\
	zalloc.h zalloc.c			\
	viengoos.h viengoos.c			\
	boot-modules.h boot-modules.c		\
	memory.h memory.c			\
	object.h object.c			\
	cap.h cap.c 				\
	activity.h activity.c			\
	thread.h thread.c			\
	messenger.h messenger.c			\
	ager.h ager.c				\
	bits.h					\
	server.h server.c			\
	pager.h pager.c				\
	list.h					\
	scheduler.c				\
	bottom-half.h bottom-half.c		\
	timer.c					\
						\
	output-vga.c output-serial.c		\
	multiboot.h				\
	vm.h vm.c				\
						\
	${arch_src}

viengoos_LDADD =				\
	../libhurd-btree/libhurd-btree-kernel.a	\
	../libhurd-ihash/libhurd-ihash-kernel.a	\
	../libhurd-slab/libhurd-slab-kernel.a	\
	../libhurd-mm/libas-kernel.a		\
	../libc-parts/libc-kernel.a		\
	../libhurd-mm/libas-kernel.a		\
	../newlib/libc-routines.a		\
	-lgcc
viengoos_LDFLAGS = -N -nostdlib -T $(srcdir)/sysdeps/${arch}/kernel.lds
endif

if ARCH_X86_64
# This is highly discouraged, but the usual hack-around does not work as we
# have not only an additional flag but also must convert the object.
# This conversion basically means that we pretend the object contains 64 bit
# code to link it with the rest of the kernel and that we rename all
# sections to begin with .low. so that they are linked at a low address.
boot32.o: boot32.c
	$(filter-out -mcmodel=kernel,$(COMPILE)) -fno-stack-protector -std=gnu99 -m32 -c -o $@ $<
	$(OBJCOPY) -O elf64-x86-64 --prefix-sections .low $@ $@
endif


if ENABLE_TESTS
TESTS = t-as t-activity t-link t-guard
check_PROGRAMS = $(TESTS)

CHECK_CPPFLAGS += \
	-DRM_INTERN \
	-include $(srcdir)/t-environment.h
CHECK_LDADD = \
	../libhurd-btree/libhurd-btree.a \
	../libhurd-ihash/libhurd-ihash-nomalloc.a

t_as_CPPFLAGS = $(CHECK_CPPFLAGS)
t_as_CFLAGS = $(CHECK_CFLAGS)
t_as_SOURCES = t-as.c				\
	zalloc.h zalloc.c			\
	memory.h memory.c			\
	cap.h cap.c 				\
	object.h object.c			\
	activity.h activity.c			\
	thread.h thread.c			\
	output.h output.c output-stdio.c	\
	shutdown.h shutdown.c			\
	panic.c					\
	debug.h debug.c
t_as_LDADD = ../libhurd-mm/libas-check.a $(CHECK_LDADD)

t_activity_CPPFLAGS = $(CHECK_CPPFLAGS)
t_activity_CFLAGS = $(CHECK_CFLAGS)
t_activity_SOURCES = t-activity.c		\
	zalloc.h zalloc.c			\
	memory.h memory.c			\
	cap.h cap.c 				\
	object.h object.c			\
	activity.h activity.c			\
	thread.h thread.c			\
	output.h output.c output-stdio.c	\
	shutdown.h shutdown.c			\
	panic.c					\
	debug.h debug.c
t_activity_LDADD = ../libhurd-mm/libas-check.a $(CHECK_LDADD)

t_link_CPPFLAGS = $(CHECK_CPPFLAGS)
t_link_CFLAGS = $(CHECK_CFLAGS)
t_link_SOURCES = t-link.c list.h		\
	output.h output.c output-stdio.c panic.c shutdown.h shutdown.c

t_guard_CPPFLAGS = $(CHECK_CPPFLAGS)
t_guard_CFLAGS = $(CHECK_CFLAGS)
t_guard_SOURCES = t-guard.c			\
	output.h output.c output-stdio.c panic.c shutdown.h shutdown.c
endif