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PPC64: Partial fix to Linux crash: revert to old devfn

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Before 2e29bd0478, Uni-North host and AGP
bridge were using the same devfn, 11 << 3. The net effect was that only
AGP bridge was visible. This was changed in the commit to 13 << 3 for AGP.

Some of the later crashes happened due to NULL pointer dereferences generated
by 07b7d05377 and insufficient return value
checks.

Disable host device and revert AGP to 11 << 3.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Blue Swirl 2009-11-15 14:30:56 +00:00
parent c364c974d9
commit 603987488c
1 changed files with 3 additions and 1 deletions
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4
hw/unin_pci.c
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@ -156,7 +156,9 @@ PCIBus *pci_pmac_init(qemu_irq *pic)
pci_unin_set_irq, pci_unin_map_irq,
pic, 11 << 3, 4);
#if 0
pci_create_simple(d->host_state.bus, 11 << 3, "Uni-north main");
#endif
sysbus_mmio_map(s, 0, 0xf2800000);
sysbus_mmio_map(s, 1, 0xf2c00000);
@ -168,7 +170,7 @@ PCIBus *pci_pmac_init(qemu_irq *pic)
#endif
/* Uninorth AGP bus */
pci_create_simple(d->host_state.bus, 13 << 3, "Uni-north AGP");
pci_create_simple(d->host_state.bus, 11 << 3, "Uni-north AGP");
/* Uninorth internal bus */
#if 0