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

[Alistair Francis]

On Tue, Jun 1, 2021 at 12:43 AM Rahul Pathak <rpathakmailbox@gmail.com> wrote:
>
> On top of that, it seems I cannot connect with the target using gdb
>
> (gdb) target remote :1234
> Remote debugging using :1234
> bfd requires flen 8, but target has flen 0
>
> Though the ABI is lp64 and ISA is rv64imac when the hss was built.

Strange, how are you building GDB?

Alistair

>
> On Mon, May 31, 2021 at 7:37 PM 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
>>
>> 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