Re: HSS Issue with GCC 10, Qemu Setup for microchip-icicle-kit

[Alistair Francis]

On Tue, Jun 1, 2021 at 12:06 AM Rahul Pathak <rpathak@ventanamicro.com> wrote:
>
> I followed the same link. I will elaborate what is happening at my end -
>
> First -
> Used the same versions as per the doc. Built HSS 2020.12 and used 
> core-image-minimal-dev-icicle-kit-es-sd-20201009141623.rootfs.wic.
> Upon executing the qemu launch command as per the doc, it's just waits for 
> the connection on another serial console -
>
> info: QEMU waiting for connection on: disconnected:unix:serial1.sock,server=on

That seems like you are passing an argument to QEMU to expose a
socket. You don't need to do that and can instead use stdio.

For the runqemu command in OE you can do that with `runqemu nographic`

Alistair

>
> Even if I open sudo minicom -D unix\#serial1.sock, which remains offline 
> always.
>
> Second -
> If I remove the "-chardev 
> socket,id=serial1,path=serial1.sock,server=on,wait=on -serial 
> chardev:serial1" from the
> qemu launch command then HSS boots but stops after sbi_init on all the cores 
> and put the cores in Idle -
>
> [5.443011] boot_download_chunks_onExit(): boot_service(u54_1)::u54_1:sbi_init 
> 80200000
> [5.444960] boot_wait_onEntry(): boot_service(u54_1)::Checking for IPI ACKs: - 
> -
> [5.447962] boot_wait_handler(): boot_service(u54_1)::Checking for IPI ACKs: 
> ACK/IDLE ACK
> [5.449343] RunStateMachine(): boot_service(u54_1)::Wait -> 
> boot_service(u54_1)::Idle
>
> Third -
> If I take the latest release of HSS 2021.04 and build with gcc10, it does not 
> boot at all even if I remove the serial1 like in the second case.
>
>
> Thanks
> Rahul
>
> On Mon, May 31, 2021 at 8:19 AM Bin Meng <bmeng.cn@gmail.com> wrote:
>>
>> Hi Rahul,
>>
>> On Mon, May 31, 2021 at 1:08 AM Rahul Pathak <rpathak@ventanamicro.com> 
>> wrote:
>> >
>> > Hi Bin,
>> >
>> > I was reading a github issue which you raised for the issue with HSS 
>> > because of GCC 10.1. Its pretty old and not sure what has changed so I 
>> > thought to ask you over email for help.
>>
>> The HSS issue of GCC 10.1 was already fixed in the HSS mainline.
>>
>> > I myself is trying to make a setup to boot the  microchip-icicle-kit Qemu 
>> > machine with HSS and Yocto linux image. Currently it does not work.
>>
>> Could you please elaborate which part does not work? Is that Linux,
>> HSS, or U-Boot?
>>
>> >
>> > Do you know what is the right setup to make  microchip-icicle-kit machine 
>> > with HSS.bin and Yocto linux work on Qemu?. Probably there will be a 
>> > working combination of HSS, Linux releases plus the toolchain version 
>> > which makes this setup work.
>> >
>>
>> I have not tried Yocto Linux yet with Microchip Icicle Kit on QEMU. I
>> only tested the Linux images released by Microchip.
>> Could you please follow the instructions @
>> https://qemu.readthedocs.io/en/latest/system/riscv/microchip-icicle-kit.html
>> to see which step might be wrong on your side?
>>
>> Regards,
>> Bin