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Re: [Qemu-devel] QEMU pci mach-virt: setting PCI_INTERRUPT_LINE?
From: |
Claudio Fontana |
Subject: |
Re: [Qemu-devel] QEMU pci mach-virt: setting PCI_INTERRUPT_LINE? |
Date: |
Wed, 25 Feb 2015 13:07:38 +0100 |
User-agent: |
Mozilla/5.0 (Windows NT 6.1; rv:24.0) Gecko/20100101 Thunderbird/24.0.1 |
On 24.02.2015 15:34, Claudio Fontana wrote:
> Hello,
>
> I am trying to set the pci interrupt line field in the configuration space
> (offset 0x3c), since it is initialized as zero.
>
> I would like to set it to the right value as read from the device tree,
> in order for other existing software which relies on it to be able to work
> unmodified..
>
> but it does not seem to work (I seem to read back zero even after setting the
> PCI_INTERRUPT_LINE field).
>
> I am also reading the interrupt pin, but that one instead seems to work out
> of the box..
>
> Thank you for any suggestion,
>
> Claudio
By the way, I am currently just avoiding to rely on PCI_INTERRUPT_LINE for
AArch64,
but shouldn't the register be programmable?
Ciao,
Claudio