, Laszlo Ersek <ler...@redhat.com> wrote:
> On 06/07/16 17:35, Andrew Fish wrote:
>>
>>> On Jun 7, 2016, at 8:31 AM, Brett Stahlman <brettstahl...@gmail.com> wrote:
>>>
>>> Ah. I think I may have found the answer to at least part of my
>>>
g the interpretation of the segment limits (e.g., L and D/B)
are "don't cares" in IA32e 64-bit mode. But what about fields not
directly related to limit checks: e.g., P (Present) flag, and DPL
(Descriptor Privilege Level)? Do their values not matter either?
Thanks,
Brett S.
On Tue, Jun 7, 2
Just inside my 64-bit x64 EFI boot loader, I print out the contents of
the GDT to see how it was initialized by the firmware. I've tried
running the boot loader both in QEMU (OVMF) and VMware ESXi. In both
cases, the first 5 descriptors after the leading null descriptor look
like this:
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