[agl-dev-community] Parth Dode : GSOC Week 9 Update #gsoc

["Parth Dode" <dodecoder@xxxxxxxxx>]

[Edited Message Follows]

Week9:

• This week: Create a conf file with the qemu boot variables and their values required for jailhouse to run 
• Thing is when you  start qemu and try to run " jailhouse hardware check" , the check must be passed for jailhouse to actually run. 
• Now this is the updated script that I used to run qemu:-

qemu-system-x86_64 \

-m 1024 \

-drive file=./tmp/deploy/images/qemux86-64/agl-image-minimal-qemux86-64.ext4,discard=unmap,if=none,id=disk,format=raw \

-serial vc -serial mon:stdio -netdev user,id=net \

-kernel ./tmp/deploy/images/qemux86-64/bzImage \

-append "root=/dev/sda intel_iommu=off memmap=82M\$0x3a000000 mem=1G vga=0x305 console=ttyS0,115200n8" \

-cpu host,-kvm-pv-eoi,-kvm-pv-ipi,-kvm-asyncpf,-kvm-steal-time,-kvmclock,-invpcid,-hypervisor \

-smp 4 \

-enable-kvm \

-machine q35,kernel_irqchip=split \

-device ide-hd,drive=disk \

-device intel-iommu,intremap=on,x-buggy-eim=on \

-device intel-hda,addr=1b.0 \

-device hda-duplex \

-device e1000e,addr=2.0,netdev=net \

 

• The above script does seem to pass the checks

Feature                         Availability

------------------------------  ------------------

Number of CPUs > 1              ok

Long mode                       ok

x2APIC                          ok

VT-x (VMX)                      ok

  VMX outside SMX               ok

  VMX inside SMX                missing (optional)

  IA32_TRUE_*_CLTS            ok

  NMI exiting                   ok

  Preemption timer              ok

  I/O bitmap                    ok

  MSR bitmap                    ok

  Secondary controls            ok

  Optional CR3 interception     ok

  Virtualize APIC access        ok

  RDTSCP                        ok

  Unrestricted guest            ok

  INVPCID                       missing (optional)

  XSAVES                        ok

  EPT                           ok

    4-level page walk           ok

    EPTP write-back             ok

    2M pages                    ok

    1G pages                    missing (optional)

    INVEPT                      ok

      Single or all-context     ok

  VM-exit save IA32_PAT         ok

  VM-exit load IA32_PAT         ok

  VM-exit save IA32_EFER        ok

  VM-exit load IA32_EFER        ok

  VM-entry load IA32_PAT        ok

  VM-entry load IA32_EFER       ok

  Activity state HLT            ok

VT-d (IOMMU #0)                 ok

  39-bit AGAW                   ok

  48-bit AGAW                   missing (optional)

  2M pages                      ok

  1G pages                      ok

  Queued invalidation           ok

  Interrupt remapping           ok

  Extended interrupt mode       ok

Check passed!

 

• This is the default qemuboot.conf file you get by default - tmp/deploy/images/qemux86-64/agl-image-minimal-qemux86-64-*.qemuboot.conf 

[config_bsp]

deploy_dir_image = .

image_link_name = agl-image-minimal-qemux86-64

image_name = agl-image-minimal-qemux86-64-20200721164637

kernel_imagetype = bzImage

machine = qemux86-64

qb_audio_drv = alsa

qb_audio_opt = -soundhw hda

qb_cmdline_ip_slirp = ip=dhcp

qb_cmdline_ip_tap = ip=192.168.7.@CLIENT@::192.168.7.@GATEWAY@:255.255.255.0

qb_cpu = -cpu qemu64,+ssse3,+sse4.1,+sse4.2,+popcnt

qb_cpu_kvm = -cpu kvm64 -cpu qemu64,+ssse3,+sse4.1,+sse4.2,+popcnt

qb_cpu_kvm_x86 = -cpu core2duo

qb_cpu_kvm_x86-64 = -cpu kvm64 -cpu qemu64,+ssse3,+sse4.1,+sse4.2,+popcnt

qb_cpu_x86 = -cpu core2duo

qb_cpu_x86-64 = -cpu qemu64,+ssse3,+sse4.1,+sse4.2,+popcnt

qb_default_fstype = ext4

qb_default_kernel = bzImage--5.4.43+git0+aafb8f095e_9e1b13d7f9-r0-qemux86-64-20200721164637.bin

qb_drive_type = /dev/sd

qb_kernel_cmdline_append = oprofile.timer=1 console=ttyS0,115200n8 quiet

qb_machine = -machine q35

qb_mem = -m 2048

qb_network_device = -device virtio-net-pci,netdev=net0,mac=@MAC@

qb_opt_append = -vga vmware -show-cursor -usb -device usb-tablet -device virtio-rng-pci -vga virtio

qb_serial_opt = -serial mon:stdio -serial null

qb_system_name = qemu-system-x86_64

qb_system_name_x86-64 = qemu-system-x86_64

staging_bindir_native = ../../../work/x86_64-linux/qemu-helper-native/1.0-r1/recipe-sysroot-native/usr/bin

staging_dir_host = ../../../work/qemux86_64-agl-linux/agl-image-minimal/1.0-r0/recipe-sysroot

staging_dir_native = ../../../work/qemux86_64-agl-linux/agl-image-minimal/1.0-r0/recipe-sysroot-native

tune_arch = x86_64

• We then add a new conf file in our meta-agl-jailhouse , sorting out the updated script wrt the QB variables and then build the recipe so that when we use runqemu , the required script runs by default
• The following variables need to be filled for runqemu -

QB_SYSTEM_NAME:,QB_OPT_APPEND:,QB_DEFAULT_KERNEL:,QB_DEFAULT_FSTYPE:,QB_MEM:,QB_MACHINE:,QB_CPU:,QB_CPU_KVM:,QB_KERNEL_CMDLINE_APPEND:,QB_DTB:,QB_AUDIO_DRV:,QB_AUDIO_OPT:,QB_KERNEL_ROOT:,QB_NETWORK_DEVICE:,QB_TAP_OPT:,QB_SLIRP_OPT:,QB_CMDLINE_IP_SLIRP:,QB_CMDLINE_IP_TAP:,QB_ROOTFS_OPT:,QB_SERIAL_OPT:,QB_TCPSERIAL_OPT:,QB_ROOTFS_EXTRA_OPT:

• Ended up setting up fresh new can boards with respective rpi's and connecting them.

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