From: Jon Doron <arilou@gmail.com>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: "Edgar E . Iglesias" <edgar.iglesias@xilinx.com>,
"Philippe Mathieu-Daudé" <f4bug@amsat.org>,
"QEMU Developers" <qemu-devel@nongnu.org>,
"Alistair Francis" <alistair.francis@wdc.com>,
"Alex Bennée" <alex.bennee@linaro.org>,
"Luc Michel" <luc.michel@greensocs.com>
Subject: Re: [PATCH-for-5.0] gdbstub: Use correct address space with Qqemu.PhyMemMode packet
Date: Mon, 1 Jun 2020 10:29:48 +0300 [thread overview]
Message-ID: <20200601072948.GG3071@jondnuc> (raw)
In-Reply-To: <CAFEAcA95hfnjBjUT0hCxPUzBnGL9xKDkEjBqDcyVBD6spVZ_4w@mail.gmail.com>
On 31/05/2020, Peter Maydell wrote:
>On Sun, 31 May 2020 at 17:42, Jon Doron <arilou@gmail.com> wrote:
>>
>> On 31/05/2020, Philippe Mathieu-Daudé wrote:
>> >On 3/30/20 6:41 PM, Peter Maydell wrote:
>> >> PS: do we have any documentation of this new command ?
>> >> ab4752ec8d9 has the implementation but no documentation...
>> >
>> >Jon, do you have documentation on the Qqemu.PhyMemMode packet?
>
>> Hi, there is no documentation for this mode, but in general the idea was
>> very simple.
>>
>> I want to have GDB the option to see the physical memory and examine it
>> and have this option toggled.
>>
>> This was useful to me when I was working on nested virtual machine and I
>> wanted to examine different states of the VMCS12 and EPTs.
>>
>> I used this in the following commands:
>> // Enable
>> maint packet Qqemu.PhyMemMode:1
>>
>> // Disable
>> maint packet Qqemu.PhyMemMode:0
>
>docs/system/gdb.rst would be the place to document QEMU-specific
>extensions to the gdb protocol (there's an "advanced debugging
>options" section where we document things like the single-step
>stuff you can also change via 'maint packet').
>
>thanks
>-- PMM
Thanks, I'll know for next time, when I did all that work and
re-factored gdbstub, that doc did not exist.
Perhaps Peter can just add the documentation to this commit?
-- Jon.
next prev parent reply other threads:[~2020-06-01 7:30 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-30 15:30 [PATCH-for-5.0] gdbstub: Use correct address space with Qqemu.PhyMemMode packet Philippe Mathieu-Daudé
2020-03-30 16:08 ` Peter Maydell
2020-03-30 16:21 ` Philippe Mathieu-Daudé
2020-03-30 16:41 ` Peter Maydell
2020-05-31 15:27 ` Philippe Mathieu-Daudé
2020-05-31 16:42 ` Jon Doron
2020-05-31 16:57 ` Peter Maydell
2020-06-01 7:29 ` Jon Doron [this message]
2020-06-01 10:39 ` Alex Bennée
2020-06-01 10:41 ` Jon Doron
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