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authorGerd Hoffmann <kraxel@redhat.com>2013-12-21 03:02:50 +0100
committerMichael S. Tsirkin <mst@redhat.com>2013-12-23 18:02:23 +0200
commitddaaefb4dd427d6d2e41c1cfbe0cd8d8e8d6aad9 (patch)
treec683b40e186673f3828076a50018661f997bce5b /include/hw
parentdcc209314afdaeec42f1e2a7bbf37eec3ace23de (diff)
piix: fix 32bit pci hole
Make the 32bit pci hole start at end of ram, so all possible address space is covered. We used to try and make addresses aligned so they are easier to cover with MTRRs, but since they are cosmetic on KVM, this is probably not worth worrying about. Of course the firmware can use less than that. Leaving space unused is no problem, mapping pci bars outside the hole causes problems though. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'include/hw')
-rw-r--r--include/hw/i386/pc.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 24eb3de310..eb3da964f0 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -182,6 +182,7 @@ PCIBus *i440fx_init(PCII440FXState **pi440fx_state, int *piix_devfn,
MemoryRegion *address_space_mem,
MemoryRegion *address_space_io,
ram_addr_t ram_size,
+ ram_addr_t below_4g_mem_size,
ram_addr_t above_4g_mem_size,
MemoryRegion *pci_memory,
MemoryRegion *ram_memory);