#
# Uncomment the following line when working on the binutils source code. Otherwise,
# the package may get recompiled, yet it does not get reinstalled into 'bin/'.
#
#exec rm -rf noux-pkg/binutils bin/binutils

#
# Uncomment the following line when working on the GCC source code. Otherwise,
# the package may get recompiled, yet it does not get reinstalled into 'bin/'.
#
#exec rm -rf noux-pkg/gcc bin/gcc

#
# Uncomment the following line when working on the make source code. Otherwise,
# the package may get recompiled, yet it does not get reinstalled into 'bin/'.
#
#exec rm -rf noux-pkg/make bin/make

set build_components {
	core init drivers/timer noux/minimal lib/libc_noux
	drivers/framebuffer drivers/pci drivers/input
	server/terminal server/ram_fs
	test/libports/ncurses
}

set cc_march ""

if {[have_spec arm]} {
	set binutils "binutils_arm"
	set gcc "gcc_arm"
	set tool_prefix "genode-arm-"
}

if {[have_spec x86]} {
	set binutils "binutils_x86"
	set gcc "gcc_x86"
	set tool_prefix "genode-x86-"
	if {[have_spec x86_32]} {
		set cc_march "-m32"
        }
}

#
# Build Noux packages only once
#
set noux_pkgs "bash coreutils vim findutils make $binutils $gcc"

foreach pkg $noux_pkgs {
	lappend_if [expr ![file exists bin/$pkg]] build_components noux-pkg/$pkg }

build $build_components

# write default vimrc file
set vimrc_fd [open "bin/vim/share/vim/vimrc" w]
puts $vimrc_fd {
set noloadplugins
set hls
set nocompatible
set laststatus=2
set noswapfile
set viminfo=}
close $vimrc_fd

# strip all binaries prior archiving
set find_args ""
foreach pkg $noux_pkgs { append find_args " bin/$pkg/" }
exec sh -c "find $find_args -type f | (xargs [cross_dev_prefix]strip || true) 2>/dev/null"

foreach pkg $noux_pkgs {
	exec tar cfv bin/$pkg.tar -h -C bin/$pkg . }

create_boot_directory

append config {
	<config verbose="yes">
		<parent-provides>
			<service name="ROM"/>
			<service name="LOG"/>
			<service name="CAP"/>
			<service name="RAM"/>
			<service name="RM"/>
			<service name="CPU"/>
			<service name="PD"/>
			<service name="IRQ"/>
			<service name="IO_PORT"/>
			<service name="IO_MEM"/>
			<service name="SIGNAL"/>
		</parent-provides>
		<default-route>
			<any-service> <any-child/> <parent/> </any-service>
		</default-route>
		<start name="timer">
			<resource name="RAM" quantum="1M"/>
			<provides><service name="Timer"/></provides>
		</start> }

append_if [have_spec sdl] config {
	<start name="fb_sdl">
		<resource name="RAM" quantum="4M"/>
		<provides>
			<service name="Input"/>
			<service name="Framebuffer"/>
		</provides>
	</start>}

append_if [have_spec pci] config {
	<start name="pci_drv">
		<resource name="RAM" quantum="1M"/>
		<provides><service name="PCI"/></provides>
	</start>}

append_if [have_spec vesa] config {
	<start name="vesa_drv">
		<resource name="RAM" quantum="1M"/>
		<provides><service name="Framebuffer"/></provides>
	</start>}

append_if [have_spec pl11x] config {
	<start name="pl11x_drv">
		<resource name="RAM" quantum="2M"/>
		<provides><service name="Framebuffer"/></provides>
	</start>}

append_if [have_spec ps2] config {
	<start name="ps2_drv">
		<resource name="RAM" quantum="1M"/>
		<provides><service name="Input"/></provides>
	</start> }

append config {
	<start name="terminal">
		<resource name="RAM" quantum="2M"/>
		<provides><service name="Terminal"/></provides>
		<config>
			<keyboard layout="de"/>
		</config>
	</start>
	<start name="ram_fs">
		<resource name="RAM" quantum="10M"/>
		<provides><service name="File_system"/></provides>
		<config>

			<!-- preload RAM file system with some ROM images -->
			<content>
				<dir name="tmp">
					<inline name="a.c">int main(int argc, char **argv) { return 0; }</inline>
					<inline name="Makefile"> }
append config "
SHELL=/bin/bash
all:
	${tool_prefix}gcc $cc_march -v -c a.c -o a.o
"
append config {
					</inline>
				</dir>
				<dir name="home">
					<dir name="user">
						<inline name=".bash_profile">
							cd /tmp; make; }
append config "${tool_prefix}readelf -a a.o"
append config {
						</inline>
					</dir>
				</dir>
			</content>

			<!-- constrain sessions according to their labels -->
			<policy label="noux -> root" root="/" />
			<policy label="noux -> home" root="/home/user" writeable="yes" />
			<policy label="noux -> tmp"  root="/tmp"       writeable="yes" />
		</config>
	</start>
	<start name="noux">
		<resource name="RAM" quantum="1G" />
		<config>
			<fstab> }

foreach pkg $noux_pkgs {
	append config "				<tar name=\"$pkg.tar\" />" }

append config {
				<!-- Example of how to impose policy onto a file system
				     session. The label attached to the 'fs' node is used
				     as a key to select the policy of 'ram_fs' -->

				<dir name="home"> <fs label="home" /> </dir>

				<!-- The entirety of ram_fs is mounted within the '/ram'
				     directory. -->

				<dir name="ram"> <fs label="root" /> </dir>
				<dir name="tmp"> <fs label="tmp" /> </dir>

			</fstab>
			<start name="/bin/bash">
				<env name="TERM" value="linux" />
				<env name="HOME" value="/home" />
				<arg value="--login" />
			</start>
		</config>
	</start>
</config>
}

install_config $config


#
# Boot modules
#

# generic modules
set boot_modules {
	core init timer ld.lib.so noux terminal ram_fs
	libc.lib.so libm.lib.so libc_noux.lib.so ncurses.lib.so }

append boot_modules { gmp.lib.so mpfr.lib.so mpc.lib.so }

foreach pkg $noux_pkgs {
	lappend boot_modules "$pkg.tar" }

# platform-specific modules
lappend_if [have_spec linux] boot_modules fb_sdl
lappend_if [have_spec pci]   boot_modules pci_drv
lappend_if [have_spec vesa]  boot_modules vesa_drv
lappend_if [have_spec ps2]   boot_modules ps2_drv
lappend_if [have_spec pl11x] boot_modules pl11x_drv

build_boot_image $boot_modules

if {[have_spec x86_64]} {
	append qemu_args " -m 512 "
} else {
	append qemu_args " -m 320 "
}

run_genode_until forever

exec rm bin/bash.tar