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Re: [PATCH 07/17] hvmloader: add basic Q35 support
- To: Thierry Escande <thierry.escande@xxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 4 May 2026 16:55:05 +0200
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Alexey Gerasimenko <x1917x@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Mon, 04 May 2026 14:55:06 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 13.03.2026 17:35, Thierry Escande wrote:
> @@ -209,7 +225,16 @@ void pci_setup(void)
> {
> do { isa_irq = (isa_irq + 1) & 15;
> } while ( !(PCI_ISA_IRQ_MASK & (1U << isa_irq)) );
> - pci_writeb(PCI_ISA_DEVFN, 0x60 + link, isa_irq);
> +
> + if ( is_running_on_q35 )
> + {
> + pci_writeb(PCI_ICH9_LPC_DEVFN, 0x60 + link, isa_irq);
> + }
> + else
> + {
> + pci_writeb(PCI_ISA_DEVFN, 0x60 + link, isa_irq);
> + }
Nit: Easier to read imo without the figure braces.
Jan
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