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Re: [Qemu-devel] [PATCH] memory: make ram device read/write endian sensi

From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH] memory: make ram device read/write endian sensitive
Date: Tue, 21 Feb 2017 19:53:56 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.7.0

On 21/02/2017 19:09, Peter Maydell wrote:
> In this instance I don't understand the patch. The ram_device
> mem-ops are there to deal with memory regions backed by a
> lump of RAM, right? Lumps of memory are always the endianness
> of the host CPU by definition, so DEVICE_NATIVE_ENDIAN and
> no swapping in the accessors seems like it ought to be the right
> thing...

DEVICE_NATIVE_ENDIAN is the endianness of the target CPU however.

So perhaps we need to add DEVICE_HOST_ENDIAN instead?


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