proc binary_name_ld_lib_so { } { return "ld-nova.lib.so" }
proc binary_name_core_o    { } { return "core-nova.o" }
proc binary_name_timer     { } { return "nova_timer_drv" }

proc kernel_files { } { return hypervisor }
proc kernel_output { } { return "novga serial" }

proc run_boot_string { } {
	return "\nHypervisor reports "
}


proc core_link_address { } { return "0x100000" }


proc core_ld_opts { } {
	set ret { -Wl,-T }
	lappend ret "-Wl,[genode_dir]/repos/base/src/ld/genode.ld"
	lappend ret "-Wl,[genode_dir]/repos/base-nova/src/core/core-bss.ld"
	return $ret
}

##
# Populate directory with binaries on NOVA
#
proc run_boot_dir {binaries} {

	#
	# Build kernel-specific targets if needed
	#
	# If the run scripts imports the base-nova binary archive, [run_dir] is
	# already populated, so we can skip the build.
	#
	set kernel_arg ""
	set core_arg   ""
	set ld_arg     ""
	if {![file exists [run_dir]/genode/hypervisor]}  { set kernel_arg kernel }
	if {![file exists [run_dir]/genode/core-nova.o]} { set core_arg   core/nova }
	if {![file exists [run_dir]/genode/ld.lib.so]}   { set ld_arg     lib/ld/nova }

	set targets "$kernel_arg $core_arg $ld_arg"
	if {[llength $targets]} { build $targets }

	if {$kernel_arg != ""} { file copy -force bin/hypervisor     [run_dir]/genode/hypervisor }
	if {$core_arg   != ""} { file copy -force bin/core-nova.o    [run_dir]/genode/core-nova.o }
	if {$ld_arg     != ""} { file copy -force bin/ld-nova.lib.so [run_dir]/genode/ld.lib.so }

	#
	# Collect contents of the ISO image
	#
	build_core_image $binaries

	exec mkdir -p [run_dir]/boot
	exec [cross_dev_prefix]objcopy -O elf32-i386 [run_dir]/genode/hypervisor [run_dir]/boot/hypervisor
	exec [cross_dev_prefix]strip [run_dir]/boot/hypervisor

	exec rm -rf [run_dir]/genode

	exec mv   [run_dir]/image.elf [run_dir]/boot/image.elf

	if {[have_include "image/iso"] || [have_include "image/disk"] || [have_include image/uefi]} {
		#
		# Compress Genode image, to be uncompressed by GRUB
		#
		exec gzip [run_dir]/boot/image.elf

		set serial_bender_opt ""

		if {[have_include "image/disk"]} {
			exec mkdir -p [run_dir]/boot/grub
			exec cp [genode_dir]/tool/boot/bender [run_dir]/boot/bender
			exec cp [genode_dir]/tool/boot/boot.png [run_dir]/boot/boot.png
			if {[file exists /boot/grub/unicode.pf2]} {
				# needed in graphical menu with non-scrampled characters
				# exec cp /boot/grub/unicode.pf2 [run_dir]/boot/grub/unicode.pf2
			}
		}

		if {[have_include "image/iso"]} {
			install_iso_bootloader_to_run_dir
		}

		if {[have_include image/uefi]} {
			set grub2_path [get_grub2_dir]

			exec mkdir -p [run_dir]/efi/boot
			exec cp $grub2_path/boot/grub2/grub2_32.efi [run_dir]/efi/boot/bootia32.efi
			exec cp $grub2_path/boot/grub2/grub2_64.efi [run_dir]/efi/boot/bootx64.efi
			exec mkdir -p [run_dir]/boot/grub
			exec cp [genode_dir]/tool/boot/bender [run_dir]/boot/bender

			exec cp [genode_dir]/tool/boot/boot.png [run_dir]/boot/boot.png
			if {[file exists /boot/grub/unicode.pf2]} {
				# needed in graphical menu with non-scrampled characters
				# exec cp /boot/grub/unicode.pf2 [run_dir]/boot/grub/unicode.pf2
			}

			set serial_bender_opt "serial_fallback"
		}

		#
		# Generate GRUB2 config file
		#
		set fh [open "[run_dir]/boot/grub/grub.cfg" "WRONLY CREAT TRUNC"]

		# If timeout != 0 is used and gfxterm, enable and add unicode.pf2 (see above)
		# puts $fh "loadfont /boot/grub/unicode.pf2"
		puts $fh "set timeout=0"

		# tell grub2 to prefer 32bit framebuffer resolution
		puts $fh "set gfxpayload=\"0x0x32\""

		if {[have_include image/uefi]} {
			puts $fh "insmod gfxterm"
			puts $fh "terminal_output gfxterm"
			puts $fh "insmod gfxterm_background"
			puts $fh "insmod png"
			puts $fh "background_image -m center /boot/boot.png"
		}

		# set this to get text console instead of graphical console
		# puts $fh "terminal_input console"
		# puts $fh "terminal_output console"

		puts $fh "menuentry 'Genode on NOVA' {"
		puts $fh " insmod multiboot2"
		puts $fh " insmod gzio"
		puts $fh " multiboot2 /boot/bender $serial_bender_opt"
		puts $fh " module2 /boot/hypervisor hypervisor iommu novpid [kernel_output]"
		puts $fh " module2 /boot/image.elf.gz image.elf"
		puts $fh "}"
		close $fh
	}

	#
	# Build image
	#
	run_image

	if {[have_include "load/tftp"]} {
		#
		# Install PXE bootloader pulsar
		#
		install_pxe_bootloader_to_run_dir

		#
		# Generate pulsar config file
		#
		set fh [open "[run_dir]/config-52-54-00-12-34-56" "WRONLY CREAT TRUNC"]
		puts $fh " exec /boot/bender"
		puts $fh " load /boot/hypervisor iommu novpid [kernel_output]"
		puts $fh " load /boot/image.elf"
		close $fh

		generate_tftp_config
	}

	if {[have_include "load/ipxe"]} {
		create_ipxe_iso_config
		update_ipxe_boot_dir
		create_symlink_for_iso
	}
}


##
# Base source archive within depot
#
proc base_src { } {

	if {[have_spec x86]} { return base-nova }

	global specs

	puts stderr "Test requires base-nova kernel archive, which is missing for this build configuration"
	puts stderr "  SPECS=\"$specs\""
	exit 0
}