From 80b3ada7dd56088613a446934d144a747e740fa1 Mon Sep 17 00:00:00 2001 From: pbrook Date: Sun, 24 Sep 2006 17:01:44 +0000 Subject: Implement sun4u PCI IRQ routing. Allow multiple PCI busses and PCI-PCI bridges. Fix bugs in Versatile PCI implementation. git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2166 c046a42c-6fe2-441c-8c8c-71466251a162 --- hw/prep_pci.c | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-) (limited to 'hw/prep_pci.c') diff --git a/hw/prep_pci.c b/hw/prep_pci.c index b5ff8eb0ff..3d93c065ff 100644 --- a/hw/prep_pci.c +++ b/hw/prep_pci.c @@ -120,18 +120,12 @@ static CPUReadMemoryFunc *PPC_PCIIO_read[] = { /* Don't know if this matches real hardware, but it agrees with OHW. */ static int prep_map_irq(PCIDevice *pci_dev, int irq_num) { - return (irq_num + (pci_dev->devfn >> 3)) & 3; + return (irq_num + (pci_dev->devfn >> 3)) & 1; } -static int prep_irq_levels[4]; - static void prep_set_irq(void *pic, int irq_num, int level) { - int pic_irq_num; - prep_irq_levels[irq_num] = level; - level |= prep_irq_levels[irq_num ^ 2]; - pic_irq_num = (irq_num == 0 || irq_num == 2) ? 9 : 11; - pic_set_irq(pic_irq_num, level); + pic_set_irq(irq_num ? 11 : 9, level); } PCIBus *pci_prep_init(void) @@ -141,7 +135,7 @@ PCIBus *pci_prep_init(void) int PPC_io_memory; s = qemu_mallocz(sizeof(PREPPCIState)); - s->bus = pci_register_bus(prep_set_irq, prep_map_irq, NULL, 0); + s->bus = pci_register_bus(prep_set_irq, prep_map_irq, NULL, 0, 2); register_ioport_write(0xcf8, 4, 4, pci_prep_addr_writel, s); register_ioport_read(0xcf8, 4, 4, pci_prep_addr_readl, s); -- cgit v1.2.3