From: "Philippe Mathieu-Daudé" <philmd@redhat.com>
To: "Cédric Le Goater" <clg@kaod.org>,
"Christophe Leroy" <christophe.leroy@csgroup.eu>,
"Thomas Huth" <thuth@redhat.com>,
"David Gibson" <david@gibson.dropbear.id.au>,
qemu-devel@nongnu.org, qemu-ppc@nongnu.org,
"Greg Kurz" <groug@kaod.org>
Cc: Christophe Leroy <christophe.leroy@c-s.fr>,
"Edgar E. Iglesias" <edgar.iglesias@gmail.com>,
Alexander Graf <agraf@csgraf.de>,
hpoussin@reactos.org
Subject: Re: Is the ppc440 "bamboo" board in QEMU still of any use?
Date: Thu, 14 Oct 2021 17:26:53 +0200 [thread overview]
Message-ID: <836a36f7-936b-ec36-f8e8-472bcec3970f@redhat.com> (raw)
In-Reply-To: <2c5ec93d-d1d1-5f08-cbf0-513e101114df@kaod.org>
On 10/14/21 13:29, Cédric Le Goater wrote:
> On 10/14/21 12:34, Christophe Leroy wrote:
>> I have the following change in QEMU to be able to run the bamboo,
>> found it some time ago via google (can't remember where):
>>
>> diff --git a/hw/ppc/ppc4xx_pci.c b/hw/ppc/ppc4xx_pci.c
>> index 8147ba6f94..600e89e791 100644
>> --- a/hw/ppc/ppc4xx_pci.c
>> +++ b/hw/ppc/ppc4xx_pci.c
>> @@ -246,7 +246,7 @@ static int ppc4xx_pci_map_irq(PCIDevice *pci_dev,
>> int irq_num)
>>
>> trace_ppc4xx_pci_map_irq(pci_dev->devfn, irq_num, slot);
>>
>> - return slot - 1;
>> + return slot ? slot - 1 : slot;
>> }
>>
>> static void ppc4xx_pci_set_irq(void *opaque, int irq_num, int level)
>
> could you try to use :
>
> static inline int ppce500_pci_map_irq_slot(int devno, int irq_num)
> {
> return (devno + irq_num) % 4;
> }
Is this pci_swizzle()?
next prev parent reply other threads:[~2021-10-14 16:07 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-14 9:31 Is the ppc440 "bamboo" board in QEMU still of any use? Thomas Huth
2021-10-14 10:34 ` Christophe Leroy
2021-10-14 10:47 ` Christophe Leroy
2021-10-14 11:44 ` Mark Cave-Ayland
2021-10-14 12:57 ` BALATON Zoltan
2021-10-15 8:17 ` Thomas Huth
2021-10-14 11:29 ` Cédric Le Goater
2021-10-14 15:26 ` Philippe Mathieu-Daudé [this message]
2021-10-14 15:35 ` Greg Kurz
2021-10-14 15:37 ` Thomas Huth
2021-10-14 15:58 ` Mark Cave-Ayland
2021-10-15 6:09 ` Thomas Huth
2021-10-14 16:00 ` Cédric Le Goater
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