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authorRoss Burton <ross.burton@arm.com>2024-03-22 16:50:09 +0000
committerRichard Purdie <richard.purdie@linuxfoundation.org>2024-03-23 10:19:00 +0000
commit21c9a9f81467a79b6a06b5286e2c7c7bd8bffbab (patch)
tree24f57fbc908801295d655ca74949341f899dbd0e /meta-yocto-bsp
parent978206fed48983dd650aeb2302e0b3730c7bb14d (diff)
downloadpoky-21c9a9f81467a79b6a06b5286e2c7c7bd8bffbab.tar.gz
genericarm64: add qemuboot configuration
A basic SystemReady IR system can be provided by qemu-system-aarch64 and u-boot, so tell u-boot to build the qemu_arm64 machine and configure qemuboot to start that u-boot and search the virtio-attached wic image for the EFI boot partition. Currently this machine support emulated (Cortex-A76) and virtualised (KVM) execution, and virtio storage/network/console. Display support will be added shortly. Note that this machine still doesn't build U-Boot by default, as a u-boot binary for qemu in deploy would potentially confuse users who want to boot on real hardware and think this u-boot is needed. If you wish to use genericarm64 with runqemu, you'll need to manually bitbake u-boot. (From meta-yocto rev: cd40f405844c1ccfabcbe64ad6be5d98d0221f72) Signed-off-by: Ross Burton <ross.burton@arm.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta-yocto-bsp')
-rw-r--r--meta-yocto-bsp/conf/machine/genericarm64.conf27
1 files changed, 27 insertions, 0 deletions
diff --git a/meta-yocto-bsp/conf/machine/genericarm64.conf b/meta-yocto-bsp/conf/machine/genericarm64.conf
index 7c4c76ffe0..4afd6c3a87 100644
--- a/meta-yocto-bsp/conf/machine/genericarm64.conf
+++ b/meta-yocto-bsp/conf/machine/genericarm64.conf
@@ -29,3 +29,30 @@ EFI_PROVIDER ?= "${@bb.utils.contains("DISTRO_FEATURES", "systemd", "systemd-boo
29 29
30# Try to bring up one physical serial console, or a virtualized serial console 30# Try to bring up one physical serial console, or a virtualized serial console
31SERIAL_CONSOLES ?= "115200;ttyAMA0 115200;hvc0" 31SERIAL_CONSOLES ?= "115200;ttyAMA0 115200;hvc0"
32
33# Allow u-boot to be built for use with qemu-system-aarch64.
34# This u-boot is _not_ suitable for use with real hardware, and the expectation
35# of this machine is that real hardware comes with the firmware pre-loaded.
36UBOOT_MACHINE = "qemu_arm64_defconfig"
37
38# runqemu configuration to run a genericarm64 image inside a qemu-system-aarch64. You will need
39# to build u-boot explicitly.
40IMAGE_CLASSES += "qemuboot"
41QB_SYSTEM_NAME = "qemu-system-aarch64"
42# Boot the virtual machine with either an emulated Cortex-A76, or the host if using KVM
43QB_MACHINE = "-machine virt"
44QB_CPU = "-cpu cortex-a76"
45QB_CPU_KVM = "-cpu host -machine gic-version=3"
46QB_SMP = "-smp 4"
47# Boot into U-Boot and let that scan the disk for the next step, don't pass any kernel or filesystem hints
48QB_DEFAULT_BIOS = "u-boot.bin"
49QB_DEFAULT_KERNEL = "none"
50QB_DEFAULT_FSTYPE = "wic"
51QB_FSINFO = "wic:no-kernel-in-fs"
52# Mount the wic rootfs as a virtio block device
53QB_ROOTFS_OPT = "-drive id=root,file=@ROOTFS@,if=none,format=raw -device virtio-blk-pci,drive=root"
54# Virtio serial consoles
55QB_SERIAL_OPT = "-device virtio-serial-pci -chardev null,id=virtcon -device virtconsole,chardev=virtcon"
56QB_TCPSERIAL_OPT = "-device virtio-serial-pci -chardev socket,id=virtcon,port=@PORT@,host=127.0.0.1,nodelay=on -device virtconsole,chardev=virtcon"
57# Virtio networking
58QB_TAP_OPT = "-netdev tap,id=net0,ifname=@TAP@,script=no,downscript=no"