#
# Build
#


set build_components {
	core init
	drivers/timer
	drivers/audio_out
	drivers/framebuffer drivers/pci drivers/input
	app/dosbox
}

lappend_if [have_spec acpi] build_components drivers/acpi
lappend_if [have_spec  pci] build_components drivers/pci/device_pd

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>}

append_if [have_spec sdl] config {
	<start name="fb_sdl">
		<resource name="RAM" quantum="4M"/>
		<provides>
			<service name="Input"/>
			<service name="Framebuffer"/>
		</provides>
		<config width="640" height="480"/>
	</start>}

append_if [have_spec acpi] config {
	<start name="acpi">
		<resource name="RAM" quantum="8M" constrain_phys="yes"/>
		<binary name="acpi_drv"/>
		<provides>
			<service name="PCI"/>
			<service name="IRQ" />
		</provides>
		<route>
			<any-service> <parent/> <any-child /> </any-service>
		</route>
		<config>
			<policy label="acpi_drv"> <pci class="ALL"/> </policy>
			<policy label="ps2_drv"> <device name="PS2"/> </policy>
			<policy label="usb_drv"> <pci class="USB"/> </policy>
			<policy label="fb_drv">  <pci class="VGA"/> </policy>
			<policy label="audio_out_drv"> <pci class="AUDIO"/> </policy>
		</config>
	</start>}

append_if [expr ![have_spec acpi] && [have_spec pci]] config {
	<start name="pci_drv">
			<resource name="RAM" quantum="4M" constrain_phys="yes"/>
			<provides> <service name="PCI"/> </provides>
		<config>
			<policy label="audio_out_drv"> <pci class="AUDIO"/> </policy>
			<policy label="ps2_drv"> <device name="PS2"/> </policy>
			<policy label="usb_drv"> <pci class="USB"/> </policy>
			<policy label="fb_drv">  <pci class="VGA"/> </policy>
		</config>
	</start>}

append_if [have_spec vesa] config {
	<start name="fb_drv">
		<resource name="RAM" quantum="4M"/>
		<provides><service name="Framebuffer"/></provides>
		<config buffered="yes"> </config>
		<route>}

append_if [have_spec acpi] config {
			<service name="PCI"><child name="acpi" /></service>}

append_if [have_spec vesa] config {
			<any-service> <parent /> <any-child /></any-service>
		</route>
	</start>}

append_if [have_spec pl11x] config {
	<start name="fb_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="audio_out_drv">
		<resource name="RAM" quantum="6M"/>}
append_if [have_spec acpi] config {
		<route>
			<service name="IRQ"><child name="acpi" /></service>
			<service name="PCI"><child name="acpi" /></service>
			<any-service> <parent /> <any-child /></any-service>
		</route>}
append config {
		<provides><service name="Audio_out"/></provides>
	</start>
	<start name="timer">
		<resource name="RAM" quantum="1M"/>
		<provides><service name="Timer"/></provides>
	</start>
	<start name="dosbox">
		<resource name="RAM" quantum="128M"/>
		<config>
			<sdl_audio_volume value="100"/>
			<libc stdout="/dev/log" stderr="/dev/log">
				<vfs>
					<tar name="dosbox.tar"/>
					<dir name="dev"> <log/> </dir>
				</vfs>
			</libc>
		</config>
	</start>
</config>}

install_config $config

if {![file exists bin/dosbox.tar]} {
	puts ""
	puts "You need to provide 'bin/dosbox.tar' that contains the DOS game you want to"
	puts "play. Mount the directory from within DosBox by entering 'mount C: <dir>',"
	puts "change CWD to C: and play the game!"
	puts ""
	exit 1
}

#
# Boot modules
#

# generic modules
set boot_modules {
	core init timer audio_out_drv
	ld.lib.so
	libc.lib.so
	libm.lib.so lwip.lib.so libpng.lib.so
	stdcxx.lib.so sdl.lib.so sdl_net.lib.so pthread.lib.so zlib.lib.so
	dosbox dosbox.tar
}

# platform-specific modules
lappend_if [have_spec nova]  boot_modules pci_device_pd
lappend_if [have_spec acpi]  boot_modules acpi_drv
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 fb_drv
lappend_if [have_spec ps2]   boot_modules ps2_drv
lappend_if [have_spec pl11x] boot_modules fb_drv

build_boot_image $boot_modules

append qemu_args " -m 256 -soundhw es1370 "

run_genode_until forever