From: Sergey Fedorov <serge.fdrv@gmail.com>
To: Shubham Gupta <shubh09@gmail.com>, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Writing into guest memory from qemu
Date: Tue, 24 Jun 2014 12:11:56 +0400 [thread overview]
Message-ID: <53A932CC.9070908@gmail.com> (raw)
In-Reply-To: <CAA-VLTVA+Cqw6kfDEeBCa74BbOcferDTd+3E8QPWEpW6hu5RDw@mail.gmail.com>
Hi,
Maybe you are trying to write into read-only, device MMIO or unassigned
address? You can launch qemu with '-S' and then try 'info mtree' qemu
monitor command to see the memory mapping.
// Sergey
On 24.06.2014 11:20, Shubham Gupta wrote:
> Hello
>
> I am attempting to write into the guest memory state (before the guest
> is launched) using the cpu_physical_memory_write function. While some
> values are being correctly written into the guest memory (confirmed by
> a cpu_physical_memory_read just after the write), some are not. Is
> there an explanation for this behavior? Or am I using the wrong
> function to accomplish what I want? Thanks in advance.
>
> Shubham Gupta
prev parent reply other threads:[~2014-06-24 8:12 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-24 7:20 [Qemu-devel] Writing into guest memory from qemu Shubham Gupta
2014-06-24 8:11 ` Sergey Fedorov [this message]
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