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From: | Cédric Le Goater |
Subject: | Re: Is the ppc440 "bamboo" board in QEMU still of any use? |
Date: | Thu, 14 Oct 2021 18:00:18 +0200 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.1.0 |
On 10/14/21 17:26, Philippe Mathieu-Daudé wrote:
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()?
Hey it's a pre pci_swizzle() version :) I guess all these PPC PCI models should be using this pci_swizzle() routine. Thanks Philippe. C.
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