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[Qemu-devel] How can I distinguish TLB miss in MMU simulation?
From: |
Liu |
Subject: |
[Qemu-devel] How can I distinguish TLB miss in MMU simulation? |
Date: |
Tue, 17 Jan 2012 15:56:23 +0800 |
Hi All,
I'm adding a new target to qemu, now, I'm writing mmu simulation, but
it make me confused.
When TLB miss occurred, I can't seperate DTLB miss from ITLB miss.
I implemented it like this from target-xtensa:
if (rw & 2)
HANDLE DTLB MISS
else
HANDLE ITLB MISS
But it didn't work. May I have some suggestions?
Regards,
Jia Liu
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