From: Glauber Costa <[EMAIL PROTECTED]>
map which io registers where already sucessfuly registered
Signed-off-by: Glauber Costa <[EMAIL PROTECTED]>
---
qemu/hw/pci.c | 5 +++--
qemu/hw/pci.h | 3 +++
2 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/qemu/hw/pci.c b/qemu/hw/pci.c
index 1937408..7e4ce2d 100644
--- a/qemu/hw/pci.c
+++ b/qemu/hw/pci.c
@@ -199,7 +199,7 @@ static void pci_unregister_io_regions(PCIDevice *pci_dev)
for(i = 0; i < PCI_NUM_REGIONS; i++) {
r = &pci_dev->io_regions[i];
- if (!r->size)
+ if ((!r->size) || (r->status != PCI_STATUS_REGISTERED))
continue;
if (r->type == PCI_ADDRESS_SPACE_IO) {
isa_unassign_ioport(r->addr, r->size);
@@ -321,7 +321,7 @@ static void pci_update_mappings(PCIDevice *d)
} else {
isa_unassign_ioport(r->addr, r->size);
}
- } else {
+ } else if (r->status == PCI_STATUS_REGISTERED) {
cpu_register_physical_memory(pci_to_cpu_addr(r->addr),
r->size,
IO_MEM_UNASSIGNED);
@@ -330,6 +330,7 @@ static void pci_update_mappings(PCIDevice *d)
r->addr = new_addr;
if (r->addr != -1) {
r->map_func(d, i, r->addr, r->size, r->type);
+ r->status = PCI_STATUS_REGISTERED;
}
}
}
diff --git a/qemu/hw/pci.h b/qemu/hw/pci.h
index e11fbbf..6350ad2 100644
--- a/qemu/hw/pci.h
+++ b/qemu/hw/pci.h
@@ -27,9 +27,12 @@ typedef struct PCIIORegion {
uint32_t addr; /* current PCI mapping address. -1 means not mapped */
uint32_t size;
uint8_t type;
+ uint8_t status;
PCIMapIORegionFunc *map_func;
} PCIIORegion;
+#define PCI_STATUS_REGISTERED 1
+
#define PCI_ROM_SLOT 6
#define PCI_NUM_REGIONS 7
--
1.5.5
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