#
# 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
}

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

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 }

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
foreach pkg $noux_pkgs {
	exec sh -c "find bin/$pkg -type f | (xargs [cross_dev_prefix]strip || true) 2>/dev/null"
	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"/>
		<service name="TRACE"/>
	</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 acpi] config {
	<start name="acpi">
		<resource name="RAM" quantum="8M"/>
		<binary name="acpi_drv"/>
		<provides>
			<service name="PCI"/>
			<service name="IRQ" />
		</provides>
		<route>
			<service name="PCI"> <any-child /> </service>
			<any-service> <parent/> <any-child /> </any-service>
		</route>
	</start>}

append_if [expr ![have_spec acpi] && [have_spec pci]] config {
	<start name="pci_drv">
		<resource name="RAM" quantum="5M"/>
		<provides><service name="PCI"/></provides>
	</start>}

append_if [have_spec framebuffer] config {
	<start name="fb_drv">
		<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">
		<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>
			</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">
				<if-arg key="label" value="home"/> <child name="ram_fs" /> </service>
			<service name="File_system">
				<if-arg key="label" value="root"/> <child name="ram_fs" />
			</service>
			<service name="File_system">
				<if-arg key="label" value="tmp"/> <child name="ram_fs" />
			</service>
			<service name="File_system">
				<if-arg key="label" value="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
	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         pci] boot_modules pci_drv
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
lappend_if [have_spec        acpi] boot_modules acpi_drv

build_boot_image $boot_modules

append qemu_args " -m 512 "

run_genode_until forever

# vi: set ft=tcl :
