#include "hw/pci/msix.h"
#include "exec/address-spaces.h"
#include "hw/hotplug.h"
+#include "hw/boards.h"
//#define DEBUG_PCI
#ifdef DEBUG_PCI
pcibus_t new_addr, last_addr;
int bar = pci_bar(d, reg);
uint16_t cmd = pci_get_word(d->config + PCI_COMMAND);
+ Object *machine = qdev_get_machine();
+ ObjectClass *oc = object_get_class(machine);
+ MachineClass *mc = MACHINE_CLASS(oc);
+ bool allow_0_address = mc->pci_allow_0_address;
if (type & PCI_BASE_ADDRESS_SPACE_IO) {
if (!(cmd & PCI_COMMAND_IO)) {
/* Check if 32 bit BAR wraps around explicitly.
* TODO: make priorities correct and remove this work around.
*/
- if (last_addr <= new_addr || new_addr == 0 || last_addr >= UINT32_MAX) {
+ if (last_addr <= new_addr || last_addr >= UINT32_MAX ||
+ (!allow_0_address && new_addr == 0)) {
return PCI_BAR_UNMAPPED;
}
return new_addr;
/* XXX: as we cannot support really dynamic
mappings, we handle specific values as invalid
mappings. */
- if (last_addr <= new_addr || new_addr == 0 ||
- last_addr == PCI_BAR_UNMAPPED) {
+ if (last_addr <= new_addr || last_addr == PCI_BAR_UNMAPPED ||
+ (!allow_0_address && new_addr == 0)) {
return PCI_BAR_UNMAPPED;
}
mc->default_ram_size = 512 * M_BYTE;
mc->kvm_type = spapr_kvm_type;
mc->has_dynamic_sysbus = true;
+ mc->pci_allow_0_address = true;
fwc->get_dev_path = spapr_get_fw_dev_path;
nc->nmi_monitor_handler = spapr_nmi;