#
# The Linux version of Noux lacks the support for the fork system call. Hence,
# the run script is expected to fail.
#
if {[have_spec linux]} {
	puts "Linux is unsupported."
	exit 0
}

proc gpio_drv { } { if {[have_spec rpi] && [have_spec hw]}  { return hw_gpio_drv }
                    if {[have_spec rpi] && [have_spec foc]} { return foc_gpio_drv }
                    return gpio_drv }

#
# On OMAP4 where no PS/2 is available, we rely on USB HID
#
proc use_usb_input { } { return [expr ![have_spec ps2] && [have_spec usb]] }

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

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

	lib/trace/policy/rpc_name
}

lappend_if [use_usb_input]  build_components drivers/usb
lappend_if [have_spec gpio] build_components drivers/gpio

set noux_pkgs "bash coreutils grep vim"
#
# Build Noux packages only once
#
foreach pkg $noux_pkgs {
	lappend_if [expr ![file exists bin/$pkg]] build_components noux-pkg/$pkg }

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

build $build_components

create_boot_directory

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

append config {
<config verbose="yes">
	<parent-provides>
		<service name="ROM"/>
		<service name="LOG"/>
		<service name="RM"/>
		<service name="CPU"/>
		<service name="PD"/>
		<service name="IRQ"/>
		<service name="IO_PORT"/>
		<service name="IO_MEM"/>
		<service name="TRACE"/>
	</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 framebuffer] config {
	<start name="fb_drv" caps="200">
		<resource name="RAM" quantum="4M"/>
		<provides><service name="Framebuffer"/></provides>
		<config width="640" height="480" />
	</start>}

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

append_if [have_spec gpio] config "
	<start name=\"[gpio_drv]\">
		<resource name=\"RAM\" quantum=\"4M\"/>
		<provides><service name=\"Gpio\"/></provides>
		<config/>
	</start>"

append_if [use_usb_input] 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 config {
	<start name="terminal">
		<resource name="RAM" quantum="2M"/>
		<provides><service name="Terminal"/></provides>
		<config>
			<keyboard layout="us"/>
			<font size="12" />
		</config>
	</start>
	<start name="trace_fs">
		<resource name="RAM" quantum="128M"/>
		<provides><service name="File_system"/></provides>
		<config>
			<policy label="noux -> trace"  root="/" interval="1000" subject_limit="512" trace_quota="64M" parent_levels="0" />
		</config>
	</start>
	<start name="ram_fs">
		<resource name="RAM" quantum="32M"/>
		<provides><service name="File_system"/></provides>
		<config>
			<content>
				<dir name="home">
					<inline name=".bash_profile">
					</inline>
				</dir>
				<dir name="tmp">
					<dir name="policies">
						<rom name="rpc_name" />
					</dir>
				</dir>
			</content>
			<!-- constrain sessions according to their labels -->
			<policy label="noux -> root" root="/" />
			<policy label="noux -> home" root="/home" writeable="yes" />
			<policy label="noux -> tmp"  root="/tmp"  writeable="yes" />
		</config>
	</start>
	<start name="noux" caps="200">
		<resource name="RAM" quantum="256M" />
		<config>
			<fstab> }
foreach pkg $noux_pkgs {
append config "								<tar name=\"$pkg.tar\" />" }
append config {
				<dir name="home">  <fs label="home" />  </dir>
				<dir name="ram">   <fs label="root" />  </dir>
				<dir name="tmp">   <fs label="tmp" />   </dir>
				<dir name="trace"> <fs label="trace" /> </dir>

				<dir name="dev">
					<null /> <zero />
				</dir>

				<dir name="share"> <dir name="vim"> <rom name="vimrc"/> </dir> </dir>
			</fstab>
			<start name="/bin/bash">
				<env name="TERM" value="linux" />
				<env name="HOME" value="/home" />
				<arg value="--login" />
			</start>
		</config>
		<route>
			<service name="File_system" label="home">
				<child name="ram_fs" /> </service>
			<service name="File_system" label="root">
				<child name="ram_fs" /> </service>
			<service name="File_system" label="tmp">
				<child name="ram_fs" /> </service>
			<service name="File_system" label="trace">
				<child name="trace_fs"/> </service>
			<any-service> <parent /> <any-child /> </any-service>
		</route>
	</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 posix.lib.so
	ncurses.lib.so pcre.lib.so zlib.lib.so readline.lib.so
	trace_fs

	rpc_name
}

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

# platform-specific modules
lappend_if [have_spec       linux] boot_modules fb_sdl
lappend_if [have_spec         ps2] boot_modules ps2_drv
lappend_if [have_spec framebuffer] boot_modules fb_drv
lappend_if [use_usb_input        ] boot_modules usb_drv
lappend_if [have_spec        gpio] boot_modules [gpio_drv]

append_platform_drv_boot_modules

build_boot_image $boot_modules


run_genode_until forever

# vi: set ft=tcl :
