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hw/pci-host/i440fx: Add PCI_HOST_{ABOVE, BELOW}_4G_MEM_SIZE properties

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Introduce the properties in anticipation of QOM'ification; Q35 has the same
properties.

Note that we want to avoid a "ram size" property in the QOM interface since it
seems redundant to both properties introduced in this change. Thus the removal
of the ram_size parameter. We assume the invariant of both properties to sum up
to "ram size" which is already asserted in pc_memory_init(). Under Xen the
invariant seems to hold as well, so we now also check it there.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Message-Id: <20230630073720.21297-15-shentey@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Bernhard Beschow 2023-06-30 09:37:17 +02:00 • committed by Michael S. Tsirkin
parent c84858fd90
commit 82feef45f4
3 changed files with 14 additions and 4 deletions
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1
include/hw/pci-host/i440fx.h
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@ -36,7 +36,6 @@ PCIBus *i440fx_init(const char *pci_type,
DeviceState *dev,
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,