void pci_bus_new_inplace(PCIBus *bus, DeviceState *parent,
const char *name,
- MemoryRegion *address_space,
+ MemoryRegion *address_space_mem,
+ MemoryRegion *address_space_io,
uint8_t devfn_min)
{
qbus_create_inplace(&bus->qbus, &pci_bus_info, parent, name);
assert(PCI_FUNC(devfn_min) == 0);
bus->devfn_min = devfn_min;
- bus->address_space = address_space;
+ bus->address_space_mem = address_space_mem;
+ bus->address_space_io = address_space_io;
/* host bridge */
QLIST_INIT(&bus->child);
}
PCIBus *pci_bus_new(DeviceState *parent, const char *name,
- MemoryRegion *address_space, uint8_t devfn_min)
+ MemoryRegion *address_space_mem,
+ MemoryRegion *address_space_io,
+ uint8_t devfn_min)
{
PCIBus *bus;
bus = qemu_mallocz(sizeof(*bus));
bus->qbus.qdev_allocated = 1;
- pci_bus_new_inplace(bus, parent, name, address_space, devfn_min);
+ pci_bus_new_inplace(bus, parent, name, address_space_mem,
+ address_space_io, devfn_min);
return bus;
}
PCIBus *pci_register_bus(DeviceState *parent, const char *name,
pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
void *irq_opaque,
- MemoryRegion *address_space,
+ MemoryRegion *address_space_mem,
+ MemoryRegion *address_space_io,
uint8_t devfn_min, int nirq)
{
PCIBus *bus;
- bus = pci_bus_new(parent, name, address_space, devfn_min);
+ bus = pci_bus_new(parent, name, address_space_mem,
+ address_space_io, devfn_min);
pci_bus_irqs(bus, set_irq, map_irq, irq_opaque, nirq);
return bus;
}
r = &pci_dev->io_regions[i];
if (!r->size || r->addr == PCI_BAR_UNMAPPED)
continue;
- if (r->type == PCI_BASE_ADDRESS_SPACE_IO) {
- isa_unassign_ioport(r->addr, r->filtered_size);
- } else {
- if (r->memory) {
- memory_region_del_subregion(pci_dev->bus->address_space,
- r->memory);
- } else {
- cpu_register_physical_memory(pci_to_cpu_addr(pci_dev->bus,
- r->addr),
- r->filtered_size,
- IO_MEM_UNASSIGNED);
- }
- }
+ memory_region_del_subregion(r->address_space, r->memory);
}
}
}
void pci_register_bar(PCIDevice *pci_dev, int region_num,
- pcibus_t size, uint8_t type,
- PCIMapIORegionFunc *map_func)
+ uint8_t type, MemoryRegion *memory)
{
PCIIORegion *r;
uint32_t addr;
uint64_t wmask;
+ pcibus_t size = memory_region_size(memory);
assert(region_num >= 0);
assert(region_num < PCI_NUM_REGIONS);
r->size = size;
r->filtered_size = size;
r->type = type;
- r->map_func = map_func;
- r->ram_addr = IO_MEM_UNASSIGNED;
r->memory = NULL;
wmask = ~(size - 1);
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_simple_bar_mapfunc(PCIDevice *pci_dev, int region_num,
- pcibus_t addr, pcibus_t size, int type)
-{
- cpu_register_physical_memory(addr, size,
- pci_dev->io_regions[region_num].ram_addr);
-}
-
-static void pci_simple_bar_mapfunc_region(PCIDevice *pci_dev, int region_num,
- pcibus_t addr, pcibus_t size,
- int type)
-{
- memory_region_add_subregion_overlap(pci_dev->bus->address_space,
- addr,
- pci_dev->io_regions[region_num].memory,
- 1);
-}
-
-void pci_register_bar_simple(PCIDevice *pci_dev, int region_num,
- pcibus_t size, uint8_t attr, ram_addr_t ram_addr)
-{
- pci_register_bar(pci_dev, region_num, size,
- PCI_BASE_ADDRESS_SPACE_MEMORY | attr,
- pci_simple_bar_mapfunc);
- pci_dev->io_regions[region_num].ram_addr = ram_addr;
-}
-
-void pci_register_bar_region(PCIDevice *pci_dev, int region_num,
- uint8_t attr, MemoryRegion *memory)
+pcibus_t pci_get_bar_addr(PCIDevice *pci_dev, int region_num)
{
- pci_register_bar(pci_dev, region_num, memory_region_size(memory),
- PCI_BASE_ADDRESS_SPACE_MEMORY | attr,
- pci_simple_bar_mapfunc_region);
- pci_dev->io_regions[region_num].memory = memory;
+ return pci_dev->io_regions[region_num].addr;
}
static void pci_bridge_filter(PCIDevice *d, pcibus_t *addr, pcibus_t *size,
/* now do the real mapping */
if (r->addr != PCI_BAR_UNMAPPED) {
- if (r->type & PCI_BASE_ADDRESS_SPACE_IO) {
- int class;
- /* NOTE: specific hack for IDE in PC case:
- only one byte must be mapped. */
- class = pci_get_word(d->config + PCI_CLASS_DEVICE);
- if (class == 0x0101 && r->size == 4) {
- isa_unassign_ioport(r->addr + 2, 1);
- } else {
- isa_unassign_ioport(r->addr, r->filtered_size);
- }
- } else {
- if (r->memory) {
- memory_region_del_subregion(d->bus->address_space,
- r->memory);
- } else {
- cpu_register_physical_memory(pci_to_cpu_addr(d->bus,
- r->addr),
- r->filtered_size,
- IO_MEM_UNASSIGNED);
- qemu_unregister_coalesced_mmio(r->addr, r->filtered_size);
- }
- }
+ memory_region_del_subregion(r->address_space, r->memory);
}
r->addr = new_addr;
r->filtered_size = filtered_size;
* addr & (size - 1) != 0.
*/
if (r->type & PCI_BASE_ADDRESS_SPACE_IO) {
- r->map_func(d, i, r->addr, r->filtered_size, r->type);
+ memory_region_add_subregion_overlap(r->address_space,
+ r->addr,
+ r->memory,
+ 1);
} else {
- r->map_func(d, i, pci_to_cpu_addr(d->bus, r->addr),
- r->filtered_size, r->type);
+ memory_region_add_subregion_overlap(r->address_space,
+ pci_to_cpu_addr(d->bus,
+ r->addr),
+ r->memory,
+ 1);
}
}
}
uint32_t address, int len)
{
uint32_t val = 0;
- assert(len == 1 || len == 2 || len == 4);
- len = MIN(len, pci_config_size(d) - address);
+
memcpy(&val, d->config + address, len);
return le32_to_cpu(val);
}
void pci_default_write_config(PCIDevice *d, uint32_t addr, uint32_t val, int l)
{
int i, was_irq_disabled = pci_irq_disabled(d);
- uint32_t config_size = pci_config_size(d);
- for (i = 0; i < l && addr + i < config_size; val >>= 8, ++i) {
+ for (i = 0; i < l; val >>= 8, ++i) {
uint8_t wmask = d->wmask[addr + i];
uint8_t w1cmask = d->w1cmask[addr + i];
assert(!(wmask & w1cmask));
return next;
}
-static void pci_map_option_rom(PCIDevice *pdev, int region_num, pcibus_t addr, pcibus_t size, int type)
-{
- cpu_register_physical_memory(addr, size, pdev->rom_offset);
-}
-
/* Patch the PCI vendor and device ids in a PCI rom image if necessary.
This is needed for an option rom which is used for more than one device. */
static void pci_patch_ids(PCIDevice *pdev, uint8_t *ptr, int size)
snprintf(name, sizeof(name), "%s.rom", pdev->qdev.info->vmsd->name);
else
snprintf(name, sizeof(name), "%s.rom", pdev->qdev.info->name);
- pdev->rom_offset = qemu_ram_alloc(&pdev->qdev, name, size);
-
- ptr = qemu_get_ram_ptr(pdev->rom_offset);
+ pdev->has_rom = true;
+ memory_region_init_ram(&pdev->rom, &pdev->qdev, name, size);
+ ptr = memory_region_get_ram_ptr(&pdev->rom);
load_image(path, ptr);
qemu_free(path);
qemu_put_ram_ptr(ptr);
- pci_register_bar(pdev, PCI_ROM_SLOT, size,
- 0, pci_map_option_rom);
+ pci_register_bar(pdev, PCI_ROM_SLOT, 0, &pdev->rom);
return 0;
}
static void pci_del_option_rom(PCIDevice *pdev)
{
- if (!pdev->rom_offset)
+ if (!pdev->has_rom)
return;
- qemu_ram_free(pdev->rom_offset);
- pdev->rom_offset = 0;
+ memory_region_destroy(&pdev->rom);
+ pdev->has_rom = false;
}
/*
projects / qemu.git / blobdiff