Revision b0a941b0 hw/empty_slot.c
| b/hw/empty_slot.c | ||
|---|---|---|
| 24 | 24 |
|
| 25 | 25 |
typedef struct EmptySlot {
|
| 26 | 26 |
SysBusDevice busdev; |
| 27 |
MemoryRegion iomem; |
|
| 27 | 28 |
uint64_t size; |
| 28 | 29 |
} EmptySlot; |
| 29 | 30 |
|
| 30 |
static uint32_t empty_slot_readl(void *opaque, target_phys_addr_t addr) |
|
| 31 |
static uint64_t empty_slot_read(void *opaque, target_phys_addr_t addr, |
|
| 32 |
unsigned size) |
|
| 31 | 33 |
{
|
| 32 | 34 |
DPRINTF("read from " TARGET_FMT_plx "\n", addr);
|
| 33 | 35 |
return 0; |
| 34 | 36 |
} |
| 35 | 37 |
|
| 36 |
static void empty_slot_writel(void *opaque, target_phys_addr_t addr,
|
|
| 37 |
uint32_t val)
|
|
| 38 |
static void empty_slot_write(void *opaque, target_phys_addr_t addr, |
|
| 39 |
uint64_t val, unsigned size)
|
|
| 38 | 40 |
{
|
| 39 |
DPRINTF("write 0x%x to " TARGET_FMT_plx "\n", val, addr);
|
|
| 41 |
DPRINTF("write 0x%x to " TARGET_FMT_plx "\n", (unsigned)val, addr);
|
|
| 40 | 42 |
} |
| 41 | 43 |
|
| 42 |
CPUReadMemoryFunc * const empty_slot_read[3] = {
|
|
| 43 |
empty_slot_readl, |
|
| 44 |
empty_slot_readl, |
|
| 45 |
empty_slot_readl, |
|
| 46 |
}; |
|
| 47 |
|
|
| 48 |
static CPUWriteMemoryFunc * const empty_slot_write[3] = {
|
|
| 49 |
empty_slot_writel, |
|
| 50 |
empty_slot_writel, |
|
| 51 |
empty_slot_writel, |
|
| 44 |
static const MemoryRegionOps empty_slot_ops = {
|
|
| 45 |
.read = empty_slot_read, |
|
| 46 |
.write = empty_slot_write, |
|
| 47 |
.endianness = DEVICE_NATIVE_ENDIAN, |
|
| 52 | 48 |
}; |
| 53 | 49 |
|
| 54 | 50 |
void empty_slot_init(target_phys_addr_t addr, uint64_t slot_size) |
| ... | ... | |
| 73 | 69 |
static int empty_slot_init1(SysBusDevice *dev) |
| 74 | 70 |
{
|
| 75 | 71 |
EmptySlot *s = FROM_SYSBUS(EmptySlot, dev); |
| 76 |
ram_addr_t empty_slot_offset; |
|
| 77 | 72 |
|
| 78 |
empty_slot_offset = cpu_register_io_memory(empty_slot_read, |
|
| 79 |
empty_slot_write, s, |
|
| 80 |
DEVICE_NATIVE_ENDIAN); |
|
| 81 |
sysbus_init_mmio(dev, s->size, empty_slot_offset | IO_MEM_RAM); |
|
| 73 |
memory_region_init_io(&s->iomem, &empty_slot_ops, s, |
|
| 74 |
"empty-slot", s->size); |
|
| 75 |
sysbus_init_mmio_region(dev, &s->iomem); |
|
| 82 | 76 |
return 0; |
| 83 | 77 |
} |
| 84 | 78 |
|
Also available in: Unified diff