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Re: [Qemu-arm] [PATCH v4 11/14] ARM: Add basic code to emulate A7MPCore
From: |
Philippe Mathieu-Daudé |
Subject: |
Re: [Qemu-arm] [PATCH v4 11/14] ARM: Add basic code to emulate A7MPCore DAP block |
Date: |
Tue, 16 Jan 2018 13:47:04 -0300 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.2 |
On 01/16/2018 12:04 PM, Andrey Smirnov wrote:
> On Mon, Jan 15, 2018 at 8:32 PM, Philippe Mathieu-Daudé <address@hidden>
> 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.
Re: [Qemu-arm] [Qemu-devel] [PATCH v4 09/14] pci: Add support for Designware IP block, Marcel Apfelbaum, 2018/01/30