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Subject: Re: [Qemu-devel] [PATCH v4 11/14] ARM: Add basic code to emulate
 A7MPCore DAP block
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To: Andrey Smirnov <andrew.smirnov@gmail.com>, Alistair Francis <alistai@xilinx.com>
Cc: "open list:ARM" <qemu-arm@nongnu.org>, Peter Maydell <peter.maydell@linaro.org>, Jason Wang <jasowang@redhat.com>, QEMU Developers <qemu-devel@nongnu.org>, Andrey Yurovsky <yurovsky@gmail.com>

On 01/16/2018 12:04 PM, Andrey Smirnov wrote:
> On Mon, Jan 15, 2018 at 8:32 PM, Philippe Mathieu-Daudé <f4bug@amsat.org> wrote:
>> Hi Andrey,
>>
>> On 01/15/2018 10:37 PM, Andrey Smirnov wrote:
>>> Add minimal code to emulate A7MPCore DAP block needed to boot Linux
>>> guest.
>>
>> I was not aware the DAP is accessed by upstream Linux...
>>
>> You sure this isn't rather part of some bootloader built-in self-test?
>>
> 
> Yes, I am positive:
> 
> a) I don't run any bootloader and boot directly into Linux, so it's
> just physically impossible
> b) Here's the code:
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/hwtracing/coresight?h=v4.15-rc8

Wow :) pretty interesting!

Alistair:
Some features might be interesting to add to the multicore-gdb project idea.

Thanks Andrey for updating me :)

Phil.