genode/tool/run/power_on/qemu
2015-09-09 15:14:28 +02:00

86 lines
2.6 KiB
Plaintext

##
# Reset the target machine or rather run the scenario with Qemu
#
source [genode_dir]/tool/run/qemu.inc
##
# Execute scenario using Qemu
#
proc run_power_on { } {
global qemu_args
global qemu
global qemu_spawn_id
#
# Back out on platforms w/o Qemu support
#
if {![is_qemu_available]} { return 0 }
if {[have_spec x86_32]} { set qemu "qemu-system-i386" }
if {[have_spec x86_64]} { set qemu "qemu-system-x86_64" }
if {[have_spec arm]} { set qemu "qemu-system-arm" }
#
# Only the x86_64 variant of Qemu provides the emulation of hardware
# virtualization features used by NOVA. So let's always stick to this
# variant of Qemu when working with NOVA even when operating in 32bit.
#
if {[have_spec nova]} { set qemu "qemu-system-x86_64" }
#
# Redirect serial output to stdio, but only in graphics mode and no
# explicit configuration of serial interfaces is specified in the run
# script. The 'mon' prefix enables the access to the qemu console.
#
if {![regexp -- {-nographic} $qemu_args dummy] &&
![regexp -- {-serial} $qemu_args dummy]} {
append qemu_args " -serial mon:stdio " }
# tweak emulated platform for specific platforms
if {[have_spec platform_pbxa9]} {
#
# For PBXA9 qemu adjusts provided RAM chips to the -m arg. Thus we
# filter user values and force value that enables all chips that Genode
# expects to be available. Not doing so leads to inexplicable errors.
#
regsub -all {\-m ([0-9])+} $qemu_args "" qemu_args
append qemu_args " -m 768"
append qemu_args " -M realview-pbx-a9"
}
if {[have_spec platform_vpb926]} { append qemu_args " -M versatilepb -m 128 " }
if {[have_spec platform_zynq]} { append qemu_args " -M xilinx-zynq-a9 -cpu cortex-a9 -m 256 " }
if {[have_spec hw_x86_64]} {
regsub -all {\-m ([0-9])+} $qemu_args "" qemu_args
append qemu_args " -m 512 "
}
# add devices for specific platforms
if {[have_spec platform_zynq] && [have_spec cadence_gem]} { append qemu_args " -net nic,model=cadence_gem" }
# on x86, we support booting via pxe or iso/disk image
if {[have_spec x86]} {
if {[have_include "load/tftp"]} {
append qemu_args " -boot n -tftp [run_dir] -bootp boot/pulsar -no-reboot -no-shutdown "
} else {
if {[have_include "image/iso"]} {
append qemu_args " -cdrom [run_dir].iso "
} else {
if {[have_include "image/disk"]} {
append qemu_args " -hda [run_dir].img "
} else {
puts "Aborting, cannot execute Qemu without a ISO or disk image"
exit -4
}
}
}
}
# on ARM, we supply the boot image as kernel
if {[have_spec arm]} { append qemu_args " -kernel [run_dir]/image.elf " }
eval spawn $qemu $qemu_args
set qemu_spawn_id $spawn_id
}