Re: [PATCH v1 00/14] OvmfPkg/Virtio: Add APIs to map system physical to device address

[Brijesh Singh <brijesh.singh@amd.com>]

On 08/15/2017 02:48 PM, Laszlo Ersek wrote:
> On 08/15/17 21:32, Brijesh Singh wrote:
>> Hi Laszlo,
>>
>> On 08/15/2017 05:42 AM, Laszlo Ersek wrote:
>> [snip]
>>
>>>>
>>>> I have been following the steps from
>>>> https://wiki.linaro.org/LEG/UEFIforQEMU
>>>>
>>>> qemu-system-aarch64 \
>>>>    -m 1024 \
>>>>    -cpu cortex-a57 \
>>>>    -M virt  \
>>>>    -bios QEMU_EFI.fd \
>>>>    -serial stdio
>>>>
>>>> I tried this steps with and without my patches and it resulted in the
>>>> same.
>>>> It seems like I am missing something in the qemu cli, do I need to pass
>>>> special dtb file or something similar ?
>>>
>>> The above command line is not right ("-bios"). Please scroll down the
>>> wiki page, to the section heading saying "Using persistent UEFI
>>> variables". There it explains how to pad the images and how to use two
>>> -pflash options. ... Perhaps even that part of the article is a bit
>>> out-of-date now.
>>>
>>> Basically, today ArmVirtQemu should be used the same way as OVMF, except
>>> for the padding. The build produces two files:
>>> - QEMU_EFI.fd (fw binary)
>>> - QEMU_VARS.fd (varstore template)
>>>
>>> Each should be padded to 64MiB with zeros at the end (write a small
>>> script for that), then use them with two pflash drives similarly to OVMF.
>>>
>>
>> Still no luck, you can see my log error [1]. I never get to UEFI shell,
>> I have
>> tried with and without virtio disk.
>>
>> https://gist.github.com/codomania/0aed024702b817761ee55fd30929200a
>>
>> I will continuing googling ...
> 
> In order to get as detailed as possible logs, I suggest adding the
> following option to the ArmVirtQemu build command line:
> 
>    -D DEBUG_PRINT_ERROR_LEVEL=0x8040004F
> 
> The current log looks quite strange to me in places, but I'm not sure if
> that's because there are problems in those parts, or because the log
> does not contain DEBUG_VERBOSE entries.
> 


https://gist.github.com/codomania/8b2fc5424fda259236405c5e257d8f47

I am using Ubuntu 16.04 for builds and runs

$ qemu-system-aarch64 --version
QEMU emulator version 2.5.0 (Debian 1:2.5+dfsg-5ubuntu10.14), Copyright (c) 2003-2008 Fabrice Bellard

-Brijesh