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From: | Shlomo Pongratz |
Subject: | Re: [Qemu-devel] [PATCH RFC V5 9/9] hw/arm: Add virt-v3 machine that uses GIC-500 |
Date: | Wed, 21 Oct 2015 14:33:11 +0300 |
Hello!
> I see, just how do I pass the gic version from the command line?
Easy. -machine virt,gic-version=3
> GICV3 is accessed by system instructions that exists only in ARCH64.
Wrong. In 32-bit mode the CPU sees them as CP15 registers. See "8.5 AArch32 System register descriptions".
I would say, system registers are nothing new, these are just renamed CP15 registers, with "CPn" prefix removed.
Kind regards,
Pavel Fedin
Expert Engineer
Samsung Electronics Research center Russia
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