[vbox-dev] How to access (read) GC physical page/addr?
Micha Moffie
mmoffie at ece.neu.edu
Thu Apr 30 14:46:21 GMT 2009
Hello,
I am trying to read a (guest) physical address (from withing the VMM).
My guest is windows XP. Using a kernel debugger i am able to verify
the address has valid content.
I tried using PGMPhysRead to access the memory.
While this worked for a low memory address, it doesn't work
for 0x80561358 (__PsActiveProcessHead).
Using PGMPhysIsGCPhysValid i can see the address is NOT valid.
Why is this address not valid if it can be seen by the guest?
Should i use a different API?
Thanks so much
:)
Micha.
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