From: Paolo Bonzini <pbonzini@redhat.com>
To: Catalin Vasile <catalinvasile92@gmail.com>, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] physical memory address in guest (from his point of view)
Date: Fri, 24 Apr 2015 11:05:42 +0200 [thread overview]
Message-ID: <553A0766.4040007@redhat.com> (raw)
In-Reply-To: <CAOMf8tr6jG=bp7eUZ6O=uHQQwCrJyfyx=O6FQQkwSq_T3-mqEw@mail.gmail.com>
On 24/04/2015 10:46, Catalin Vasile wrote:
> Does a physical memory address in a guest points to the same memory as qemu?
> For example: if I have a physical pointer 0x34 in the guest, does it
> point to the same location that qemu points with 0x34 address?
No. QEMU converts guest pointers (which are just uint64_t) to host
pointers using address_space_map/address_space_unmap.
Paolo
next prev parent reply other threads:[~2015-04-24 9:05 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-24 8:46 [Qemu-devel] physical memory address in guest (from his point of view) Catalin Vasile
2015-04-24 9:05 ` Paolo Bonzini [this message]
2015-04-24 10:22 ` Catalin Vasile
2015-04-24 10:52 ` Paolo Bonzini
2015-04-24 9:36 ` Peter Maydell
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