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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