From 5178ecd86367090a59af0e15e67cee6f673aaa08 Mon Sep 17 00:00:00 2001 From: Cao jin Date: Fri, 25 Mar 2016 14:49:37 +0800 Subject: pci_register_bar: cleanup place relevant code tegother, make the code easier to read Signed-off-by: Cao jin Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Reviewed-by: Paolo Bonzini --- hw/pci/pci.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) (limited to 'hw/pci') diff --git a/hw/pci/pci.c b/hw/pci/pci.c index ee385eb..8c2f6ed 100644 --- a/hw/pci/pci.c +++ b/hw/pci/pci.c @@ -1074,7 +1074,7 @@ void pci_register_bar(PCIDevice *pci_dev, int region_num, uint8_t type, MemoryRegion *memory) { PCIIORegion *r; - uint32_t addr; + uint32_t addr; /* offset in pci config space */ uint64_t wmask; pcibus_t size = memory_region_size(memory); @@ -1090,15 +1090,20 @@ void pci_register_bar(PCIDevice *pci_dev, int region_num, r->addr = PCI_BAR_UNMAPPED; r->size = size; r->type = type; - r->memory = NULL; + r->memory = memory; + r->address_space = type & PCI_BASE_ADDRESS_SPACE_IO + ? pci_dev->bus->address_space_io + : pci_dev->bus->address_space_mem; wmask = ~(size - 1); - addr = pci_bar(pci_dev, region_num); if (region_num == PCI_ROM_SLOT) { /* ROM enable bit is writable */ wmask |= PCI_ROM_ADDRESS_ENABLE; } + + addr = pci_bar(pci_dev, region_num); pci_set_long(pci_dev->config + addr, type); + if (!(r->type & PCI_BASE_ADDRESS_SPACE_IO) && r->type & PCI_BASE_ADDRESS_MEM_TYPE_64) { pci_set_quad(pci_dev->wmask + addr, wmask); @@ -1107,11 +1112,6 @@ void pci_register_bar(PCIDevice *pci_dev, int region_num, pci_set_long(pci_dev->wmask + addr, wmask & 0xffffffff); pci_set_long(pci_dev->cmask + addr, 0xffffffff); } - pci_dev->io_regions[region_num].memory = memory; - pci_dev->io_regions[region_num].address_space - = type & PCI_BASE_ADDRESS_SPACE_IO - ? pci_dev->bus->address_space_io - : pci_dev->bus->address_space_mem; } static void pci_update_vga(PCIDevice *pci_dev) -- cgit v1.1