Re: shared memory mechanism other than ivshmem

[Gustavo Romero]

Hi Sanjeev,

On 5/17/24 3:02 PM, Sanjeev Kumar wrote:
> Hi Gustavo,
> I understood difference between the two patchsets. thanks for the ivshmem-flat. i will 
> try to get info from QNX side how to access the memory location in QNX. with the 
> ivshmem-flat enabled, i am able to see shmem in "info qtree" as below
> (qemu) info qtree
> bus: main-system-bus
>    type System
>    dev: ivshmem-flat, id ""
>      gpio-out "sysbus-irq" 1
>      chardev = "ivshmem_flat"
>      shmem-size = 4194304 (0x400000)
>      x-irq-qompath = "/machine/unattached/device[4]/gic/unnamed-gpio-in[0]"
>      x-bus-address-iomem = 1074786304 (0x400ff000)
>      x-bus-address-shmem = 1074790400 (0x40100000)
>      mmio 00000000400ff000/0000000000000010
>      mmio 0000000040100000/0000000000400000
>
> now need to explore in guest os(QNX) on how to read this memory location.

It looks like all is set for QNX. Cool.

I'm on vacation for the next two weeks so I'll be slow replying. Good luck!


Cheers,
Gustavo