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Re: [Qemu-devel] [PATCH v2 4/6] prep: move int-ack register from PReP to
From: |
Avi Kivity |
Subject: |
Re: [Qemu-devel] [PATCH v2 4/6] prep: move int-ack register from PReP to Raven PCI emulation |
Date: |
Sun, 29 Apr 2012 11:32:33 +0300 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:11.0) Gecko/20120329 Thunderbird/11.0.1 |
On 04/28/2012 09:46 PM, Andreas Färber wrote:
> Am 14.04.2012 22:48, schrieb Hervé Poussineau:
> > Register is one byte-wide (as per specification), so there is no need to
> > specify endianness.
>
> The region was 4 bytes before, now it's 1. What happens when a 4-byte
> read is attempted at that address? Do we need to specify the valid
> widths for the MemoryRegion? Or is such a read constructed from this
> region and (assuming) the return value of an unassigned read?
This area of what happens during access that falls across region
boundaries is very underspecified in qemu; nor is it clear what happens
in real hardware (in all its variations).
--
error compiling committee.c: too many arguments to function
[Qemu-devel] [PATCH v2 5/6] pcspk: initialize PC speaker if compiled in, Hervé Poussineau, 2012/04/14
[Qemu-devel] [PATCH v2 6/6] prep: initialize pc speaker, Hervé Poussineau, 2012/04/14
Re: [Qemu-devel] [PATCH v2 0/6] prep: some fixes and Super I/O emulation, Artyom Tarasenko, 2012/04/15
Re: [Qemu-devel] [PATCH v2 0/6] prep: some fixes and Super I/O emulation, Hervé Poussineau, 2012/04/28