17 questions
2
votes
0
answers
93
views
Invalid write at 0xFEE01004 region ‘null’ [duplicate]
When I call msix_notify, I get this error
"Invalid write at 0xFEE01004 region ‘null’"
in the log. I am using msix_initx_exclusive.bar initialization, and in qemu monitor, I can also see ...
- 39
1
vote
1
answer
2k
views
What does the qemu command option -hda mean?
If I add the -hda option to the qemu startup command to add external storage, how should my operating system know where this device is mounted? Furthermore, what interface protocol should my operating ...
- 11
1
vote
1
answer
459
views
Is there a method to add custom device without re-compiling QEMU?
Hi I'm in a project to develop driver and software for a chip.
However, the testing resource is limited, thus I would like to make a custom device on a virtual machine so that I can develop without a ...
- 1,059
0
votes
1
answer
952
views
QEMU GPIO connect
i have been studying some QEMU source code, in particular bcm2835_gpio.c, where it uses a qdev_init_gpio_out function to initialize some output GPIOs, and then store the qemu_irq in an array. Then, in ...
- 41
0
votes
1
answer
2k
views
Who will configure virtio,mmio device register in qemu?
I want to enable virtio_net on qemu, virtio_net driver should return an error if the device id is zero (read from https://docs.oasis-open.org/virtio/virtio/v1.1/virtio-v1.1.html).
In qemu, 0x0A000000 ...
1
vote
0
answers
2k
views
qemu simulate x86_64 can't use "virtio-gpu-gl"
my qemu version is 7.1.0.
my qemu configure: --enable-sdl --enable-opengl --enable-virglrenderer
When I use qemu-system-x86_64 -machine q35, it can run with a device virtio-gpu. But, when I use the ...
- 21
0
votes
1
answer
4k
views
Emulate ARM Cortex-M7 with qemu-system-arm.exe
I'm using Eclipse based CubeIDE and QEMU debugging plugin.
I'm working in assembler and can debug simple project (adding two numbers in registers) on STM32 Cortex M7 board (STM32H750DK). Now I'd like ...
- 51
1
vote
0
answers
1k
views
How to run qemu inside docker with networkmode bridged
I have a qemu-aarch64 commandline that uses a network in bridged mode like this.
qemu-system-aarch64 -nographic -machine virt -m 1G -smp 4 \
-cpu cortex-a53 \
-kernel ${illumos_dir}/usr/src/...
- 187
2
votes
1
answer
2k
views
Possible ways to communicate between Guest to Host OS using Qemu?
What other possible ways exists to send data from Guest OS to Host Machines ?
I have tried in Qemu:
(1)using vhost-vsock, but it lags in performance.
(2)MMIO callbacks, but it also lags in performance....
