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authorMichael S. Tsirkin <mst@redhat.com>2011-09-06 20:58:22 +0300
committerMichael S. Tsirkin <mst@redhat.com>2011-09-20 17:46:12 +0300
commit336411cafd385be1fc3de4472595d409ac7fe2b2 (patch)
treeb172ae038530170de241835739bed1fff52b096e /hw/pci_bridge.c
parent7df32ca08ad0afdac623e43a99984c26177468f0 (diff)
pci_bridge: simplify memory regions some more
replace alloc/free with struct members. todo: smash with initial implementation after testing. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/pci_bridge.c')
-rw-r--r--hw/pci_bridge.c22
1 files changed, 9 insertions, 13 deletions
diff --git a/hw/pci_bridge.c b/hw/pci_bridge.c
index 25e9b7c227..b6287cdc6d 100644
--- a/hw/pci_bridge.c
+++ b/hw/pci_bridge.c
@@ -160,26 +160,25 @@ static void pci_bridge_cleanup_alias(MemoryRegion *alias,
static void pci_bridge_region_init(PCIBridge *br)
{
- PCIBus *sec_bus = &br->sec_bus;
PCIBus *parent = br->dev.bus;
uint16_t cmd = pci_get_word(br->dev.config + PCI_COMMAND);
pci_bridge_init_alias(br, &br->alias_pref_mem,
PCI_BASE_ADDRESS_MEM_PREFETCH,
"pci_bridge_pref_mem",
- sec_bus->address_space_mem,
+ &br->address_space_mem,
parent->address_space_mem,
cmd & PCI_COMMAND_MEMORY);
pci_bridge_init_alias(br, &br->alias_mem,
PCI_BASE_ADDRESS_SPACE_MEMORY,
"pci_bridge_mem",
- sec_bus->address_space_mem,
+ &br->address_space_mem,
parent->address_space_mem,
cmd & PCI_COMMAND_MEMORY);
pci_bridge_init_alias(br, &br->alias_io,
PCI_BASE_ADDRESS_SPACE_IO,
"pci_bridge_io",
- sec_bus->address_space_io,
+ &br->address_space_io,
parent->address_space_io,
cmd & PCI_COMMAND_IO);
/* TODO: optinal VGA and VGA palette snooping support. */
@@ -319,10 +318,10 @@ int pci_bridge_initfn(PCIDevice *dev)
br->bus_name);
sec_bus->parent_dev = dev;
sec_bus->map_irq = br->map_irq;
- sec_bus->address_space_mem = g_new(MemoryRegion, 1);
- memory_region_init(sec_bus->address_space_mem, "pci_pridge_pci", INT64_MAX);
- sec_bus->address_space_io = g_new(MemoryRegion, 1);
- memory_region_init(sec_bus->address_space_io, "pci_bridge_io", 65536);
+ sec_bus->address_space_mem = &br->address_space_mem;
+ memory_region_init(&br->address_space_mem, "pci_pridge_pci", INT64_MAX);
+ sec_bus->address_space_io = &br->address_space_io;
+ memory_region_init(&br->address_space_io, "pci_bridge_io", 65536);
pci_bridge_region_init(br);
QLIST_INIT(&sec_bus->child);
QLIST_INSERT_HEAD(&parent->child, sec_bus, sibling);
@@ -333,14 +332,11 @@ int pci_bridge_initfn(PCIDevice *dev)
int pci_bridge_exitfn(PCIDevice *pci_dev)
{
PCIBridge *s = DO_UPCAST(PCIBridge, dev, pci_dev);
- PCIBus *sec_bus = &s->sec_bus;
assert(QLIST_EMPTY(&s->sec_bus.child));
QLIST_REMOVE(&s->sec_bus, sibling);
pci_bridge_region_cleanup(s);
- memory_region_destroy(sec_bus->address_space_mem);
- g_free(sec_bus->address_space_mem);
- memory_region_destroy(sec_bus->address_space_io);
- g_free(sec_bus->address_space_io);
+ memory_region_destroy(&s->address_space_mem);
+ memory_region_destroy(&s->address_space_io);
/* qbus_free() is called automatically by qdev_free() */
return 0;
}