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[Xen-devel] Question about domain address space

  • To: xen-devel@xxxxxxxxxxxxxxxxxxx
  • From: Mathieu Ropert <mro@xxxxxxxxxx>
  • Date: Thu, 02 Mar 2006 15:38:04 +0100
  • Delivery-date: Thu, 02 Mar 2006 18:14:36 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>


I've been wondering where the kernel image of a domain is loaded.
By "where"  i mean the physical address, not the machine address.
I didn't found the answer in the docs, but i have some ideas:
- at physical 0x100000 (1 MB)
- at physical 0x0 (unlikely)
- at (kernel_virtual_entry - kernel_virtual_base)
Any of thoses? Somewhere else?

Likewise, i'm looking for the virtual base offset (ie, virtual address of physical address 0x0). I guess it's at VIRT_BASE when you specify in the xen_guest section, but what if you don't?



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