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100 lines
3.2 KiB
Plaintext
100 lines
3.2 KiB
Plaintext
##
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# Reset the target machine or rather run the scenario with Qemu
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#
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source [genode_dir]/tool/run/qemu.inc
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##
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# Execute scenario using Qemu
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#
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proc run_power_on { } {
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global qemu_args
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global qemu
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global qemu_spawn_id
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#
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# Back out on platforms w/o Qemu support
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#
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if {![is_qemu_available]} { return 0 }
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if {[have_spec x86_32]} { set qemu "qemu-system-i386" }
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if {[have_spec x86_64]} { set qemu "qemu-system-x86_64" }
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if {[have_spec arm]} { set qemu "qemu-system-arm" }
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#
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# Only the x86_64 variant of Qemu provides the emulation of hardware
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# virtualization features used by NOVA. So let's always stick to this
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# variant of Qemu when working with NOVA even when operating in 32bit.
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#
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if {[have_spec nova]} { set qemu "qemu-system-x86_64" }
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#
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# Redirect serial output to stdio, but only in graphics mode and no
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# explicit configuration of serial interfaces is specified in the run
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# script. The 'mon' prefix enables the access to the qemu console.
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#
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if {![regexp -- {-nographic} $qemu_args dummy] &&
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![regexp -- {-serial} $qemu_args dummy]} {
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append qemu_args " -serial mon:stdio " }
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# SVM virtualization is broken beginning with 2.5.0 until 2.8.*
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# We use "-cpu phenom" when using VMs in Qemu
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if {[regexp -- {-cpu phenom} $qemu_args dummy]} {
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catch {exec $qemu --version} qemu_version
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set qemu_version [regexp -inline {version[ ][0-9]+\.[0-9]+[\.0-9]*} $qemu_version]
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set qemu_version [regexp -inline {[0-9]+\.[0-9]+[\.0-9]*} $qemu_version]
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if {[string compare $qemu_version "2.5"] != -1} {
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if {[string compare $qemu_version "2.9"] == -1} {
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puts "\nYour Qemu version '$qemu_version' is not working with AMD SVM virtualization"
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puts "Known good Qemu versions are until 2.4.1 and starting with 2.9.0\n"
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exit
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}
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}
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}
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# tweak emulated platform for specific platforms
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if {[have_spec pbxa9]} {
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#
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# For PBXA9 qemu adjusts provided RAM chips to the -m arg. Thus we
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# filter user values and force value that enables all chips that Genode
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# expects to be available. Not doing so leads to inexplicable errors.
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#
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regsub -all {\-m ([0-9])+} $qemu_args "" qemu_args
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append qemu_args " -m 768"
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append qemu_args " -M realview-pbx-a9"
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}
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if {[have_spec vpb926]} { append qemu_args " -M versatilepb -m 128 " }
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if {[have_spec zynq_qemu]} { append qemu_args " -M xilinx-zynq-a9 -cpu cortex-a9 -m 256 " }
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# add devices for specific platforms
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if {[have_spec zynq] && [have_spec cadence_gem]} { append qemu_args " -net nic,model=cadence_gem" }
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# on x86, we support booting via pxe or iso/disk image
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if {[have_spec x86]} {
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if {![regexp -- {-m} $qemu_args dummy]} {
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append qemu_args " -m 512 "
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}
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if {[have_include "load/tftp"]} {
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append qemu_args " -boot n -tftp [run_dir] -bootp boot/pulsar -no-reboot -no-shutdown "
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} else {
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if {[have_include "image/iso"]} {
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append qemu_args " -cdrom [run_dir].iso "
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} else {
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if {[have_include "image/disk"]} {
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append qemu_args " -hda [run_dir].img "
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} else {
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puts "Aborting, cannot execute Qemu without a ISO or disk image"
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exit -4
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}
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}
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}
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}
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# on ARM, we supply the boot image as kernel
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if {[have_spec arm]} { append qemu_args " -kernel [run_dir]/image.elf " }
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eval spawn $qemu $qemu_args
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set qemu_spawn_id $spawn_id
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}
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