#
# Build
#

if {[have_include "power_on/qemu"]} {
	puts "\nRunning on Qemu is not recommended.\n"
	exit 1
}


#
# On x86 systems w/o ps2 only use usb input
#
set use_usb_input_only 0

set use_audio [expr ![have_spec arm]]

set build_components {
	core init
	drivers/timer
	drivers/framebuffer
	drivers/input

	app/chocolate-doom/doom
}


if {[have_spec linux]} {
	set use_usb_input_only 1
}

lappend_if $use_audio build_components drivers/audio

source ${genode_dir}/repos/base/run/platform_drv.inc
append_platform_drv_build_components


lappend_if [expr ![have_spec linux]] build_components drivers/usb
lappend_if [expr !$use_usb_input_only] build_components server/input_merger

build $build_components

create_boot_directory

#
# Generate config
#

append config {
<config>
	<parent-provides>
		<service name="ROM"/>
		<service name="RAM"/>
		<service name="IRQ"/>
		<service name="IO_MEM"/>
		<service name="IO_PORT"/>
		<service name="CAP"/>
		<service name="PD"/>
		<service name="RM"/>
		<service name="CPU"/>
		<service name="LOG"/>
		<service name="SIGNAL"/>
	</parent-provides>
	<default-route>
		<any-service> <parent/> <any-child/> </any-service>
	</default-route>
	<default caps="100"/>

	<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_platform_drv_config

append_if [have_spec vesa] config {
	<start name="fb_drv">
		<resource name="RAM" quantum="10M"/>
		<provides><service name="Framebuffer"/></provides>
		<config buffered="yes"/>
	</start>}

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

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

append_if [expr ![have_spec linux]] config {
	<start name="usb_drv">
		<resource name="RAM" quantum="12M"/>
		<provides><service name="Input"/></provides>
		<config uhci="yes" ehci="yes" xhci="yes">
			<hid/>
		</config>
	</start>}

append_if $use_audio config {
	<start name="audio_drv">
		<binary name="} [audio_drv_binary] {"/>
		<resource name="RAM" quantum="8M"/>
		<provides><service name="Audio_out"/></provides>
	</start>}

append_if [expr !$use_usb_input_only] config {
	<start name="input_merger">
		<resource name="RAM" quantum="1M" />
		<provides>
			<service name="Input" />
		</provides>
		<config>
			<input label="ps2" />
			<input label="usb_hid" />
		</config>
		<route>
			<service name="Input" label="ps2"> <child name="ps2_drv" /> </service>
			<service name="Input" label="usb_hid"> <child name="usb_drv" /> </service>
			<any-service> <parent /> <any-child /> </any-service>
		</route>
	</start>}

append config {
	<start name="chocolate-doom" caps="300">
		<resource name="RAM" quantum="32M"/>
		<config>
			<sdl_audio_volume value="100"/>
			<libc stdout="/dev/log" stderr="/dev/log">
				<vfs>
					<dir name="dev"> <log/> </dir>
					<rom name="doom1.wad"/>
				</vfs>
			</libc>
		</config>
		<route>}
append_if [expr !$use_usb_input_only] config {
			<service name="Input"><child name="input_merger" /></service>}
append config {
			<any-service> <parent /> <any-child /></any-service>
		</route>
	</start>
</config>}

install_config $config

if {![file exists bin/data.tar]} {
	if {![file exists bin/doom1.wad]} {
		puts ""
		puts "Please download the Doom 1 Shareware IWAD from"
		puts "   http://distro.ibiblio.org/pub/linux/distributions/slitaz/sources/packages/d/doom1.wad"
		puts "and place it in './bin'. Afterwards run this script again."
		puts ""
		exit 1
	}
}

#
# Boot modules
#

# generic modules
append boot_modules {
	core init timer } [audio_drv_binary] {
	ld.lib.so libc.lib.so libm.lib.so pthread.lib.so
	sdl.lib.so sdl_net.lib.so sdl_mixer.lib.so
	chocolate-doom doom1.wad
}

# platform-specific modules
append_platform_drv_boot_modules

lappend_if $use_audio                                     boot_modules audio_drv
lappend_if [have_spec linux]                              boot_modules fb_sdl
lappend_if [have_spec vesa]                               boot_modules fb_drv
lappend_if [expr ![have_spec linux]]                      boot_modules usb_drv
lappend_if [expr !$use_usb_input_only]                    boot_modules input_merger
lappend_if [expr [have_spec ps2] && !$use_usb_input_only] boot_modules ps2_drv
lappend_if [have_spec pl11x]                              boot_modules fb_drv

build_boot_image $boot_modules

run_genode_until forever