genode/base-nova/run/env

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#
# \brief NOVA-specific test-environment supplements
# \author Norman Feske
# \date 2010-08-31
#
# This file is meant to be used as '--include' argument for 'tool/run'.
#
##
# Install files needed to boot via PXE
#
proc install_pxe_bootloader_to_run_dir { } {
exec cp [genode_dir]/tool/boot/pulsar [run_dir]/boot/pulsar
exec cp [genode_dir]/tool/boot/bender [run_dir]/boot/bender
}
##
# Read the location of the NOVA kernel directory from 'etc/nova.conf'
#
proc nova_kernel { } {
global _nova_kernel
if {![info exists _nova_kernel]} {
if {[file exists etc/nova.conf]} {
set _nova_kernel [exec sed -n "/^NOVA_KERNEL/s/^.*=\\s*//p" etc/nova.conf]
} else {
set _nova_kernel "[pwd]/kernel/hypervisor"
}
}
return $_nova_kernel
}
##
# Return whether nova is provided from the outside
#
proc nova_external { } {
if {[nova_kernel] == "[pwd]/kernel/hypervisor"} { return 0 }
return 1
}
##################################
## Test framework API functions ##
##################################
proc create_boot_directory { } {
exec rm -rf [run_dir]
exec mkdir -p [run_dir]/genode
}
proc build_boot_image {binaries} {
#
# Collect contents of the ISO image
#
copy_and_strip_genode_binaries_to_run_dir $binaries
if {![nova_external] && ![file exists [nova_kernel]]} { build { kernel } }
puts "using NOVA kernel at [nova_kernel]"
exec objcopy -O elf32-i386 [nova_kernel] [run_dir]/hypervisor
install_iso_bootloader_to_run_dir
#
# The core binary is part of the 'binaries' list but it must
# appear right after 'sigma0' as boot module. Hence the special case.
#
# Generate grub config file
#
set fh [open "[run_dir]/boot/grub/menu.lst" "WRONLY CREAT TRUNC"]
puts $fh "timeout 0"
puts $fh "default 0"
puts $fh "\ntitle Genode on NOVA"
puts $fh " kernel /boot/bender"
puts $fh " module /hypervisor iommu serial"
puts $fh " module /genode/core"
puts $fh " module /genode/config"
foreach binary $binaries {
if {$binary != "core"} {
puts $fh " module /genode/$binary" } }
close $fh
install_pxe_bootloader_to_run_dir
create_iso_image_from_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 /hypervisor iommu serial"
puts $fh " load /genode/core"
puts $fh " load /genode/config"
foreach binary $binaries {
if {$binary != "core"} {
puts $fh " load /genode/$binary" } }
close $fh
#
# Generate pulsar config file pointing to the config file above.
#
if {[info exists ::env(PXE_TFTP_DIR_BASE)] && [info exists ::env(PXE_TFTP_DIR_OFFSET)]} {
exec ln -nfs "[pwd]" "$::env(PXE_TFTP_DIR_BASE)$::env(PXE_TFTP_DIR_OFFSET)"
set tftp_base ""
if {[get_cmd_switch --tftp-absolute]} {
set tftp_base $::env(PXE_TFTP_DIR_BASE)
}
set fh [open "$::env(PXE_TFTP_DIR_BASE)$::env(PXE_TFTP_DIR_OFFSET)/config-00-00-00-00-00-00" "WRONLY CREAT TRUNC"]
puts $fh " root $tftp_base$::env(PXE_TFTP_DIR_OFFSET)/[run_dir]"
puts $fh " config config-52-54-00-12-34-56"
close $fh
}
}
proc run_genode_until {{wait_for_re forever} {timeout_value 0} {running_spawn_id -1}} {
#
# If a running_spawn_id is specified, wait for the expected output
#
if {$running_spawn_id != -1} {
wait_for_output $wait_for_re $timeout_value $running_spawn_id
return
}
#
# Try to use one of the supported backends for running the scripts
#
if {[is_amt_available]} {
spawn_amt $wait_for_re $timeout_value
return
}
if {[is_serial_available]} {
spawn_serial $wait_for_re $timeout_value "NOVA Microhypervisor"
return
}
if {[is_qemu_available]} {
spawn_qemu $wait_for_re $timeout_value
return
}
}