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authorBlue Swirl2011-09-17 22:30:50 +0200
committerBlue Swirl2011-09-27 21:16:46 +0200
commit46f3069cba94aab44b3b4f87bc270759b4a700fa (patch)
tree6f9073a78aaa91f42a559116ec63205d57124866 /hw/grackle_pci.c
parentMerge remote-tracking branch 'qemu-kvm-tmp/memory/urgent' into staging (diff)
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PPC: use memory API to construct the PCI hole
Avoid vga.chain4 mapping by constructing a PCI hole for upper 2G of the PCI space. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'hw/grackle_pci.c')
-rw-r--r--hw/grackle_pci.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/hw/grackle_pci.c b/hw/grackle_pci.c
index 9d3ff7d555..94a608ef6d 100644
--- a/hw/grackle_pci.c
+++ b/hw/grackle_pci.c
@@ -41,6 +41,8 @@
typedef struct GrackleState {
SysBusDevice busdev;
PCIHostState host_state;
+ MemoryRegion pci_mmio;
+ MemoryRegion pci_hole;
} GrackleState;
/* Don't know if this matches real hardware, but it agrees with OHW. */
@@ -73,11 +75,18 @@ PCIBus *pci_grackle_init(uint32_t base, qemu_irq *pic,
qdev_init_nofail(dev);
s = sysbus_from_qdev(dev);
d = FROM_SYSBUS(GrackleState, s);
+
+ memory_region_init(&d->pci_mmio, "pci-mmio", 0x100000000ULL);
+ memory_region_init_alias(&d->pci_hole, "pci-hole", &d->pci_mmio,
+ 0x80000000ULL, 0x7e000000ULL);
+ memory_region_add_subregion(address_space_mem, 0x80000000ULL,
+ &d->pci_hole);
+
d->host_state.bus = pci_register_bus(&d->busdev.qdev, "pci",
pci_grackle_set_irq,
pci_grackle_map_irq,
pic,
- address_space_mem,
+ &d->pci_mmio,
address_space_io,
0, 4);