Revision 5f750b2e
| b/hw/iommu.c | ||
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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* THE SOFTWARE. |
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*/ |
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#include "hw.h" |
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#include "sun4m.h" |
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#include "sysbus.h" |
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/* debug iommu */ |
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//#define DEBUG_IOMMU |
| ... | ... | |
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#define IOMMU_PAGE_MASK ~(IOMMU_PAGE_SIZE - 1) |
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typedef struct IOMMUState {
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SysBusDevice busdev; |
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uint32_t regs[IOMMU_NREGS]; |
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target_phys_addr_t iostart; |
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uint32_t version; |
| ... | ... | |
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void *iommu_init(target_phys_addr_t addr, uint32_t version, qemu_irq irq) |
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{
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IOMMUState *s; |
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int iommu_io_memory; |
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DeviceState *dev; |
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SysBusDevice *s; |
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IOMMUState *d; |
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dev = qdev_create(NULL, "iommu"); |
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qdev_set_prop_int(dev, "version", version); |
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qdev_init(dev); |
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s = sysbus_from_qdev(dev); |
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sysbus_connect_irq(s, 0, irq); |
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sysbus_mmio_map(s, 0, addr); |
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d = FROM_SYSBUS(IOMMUState, s); |
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return d; |
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} |
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static void iommu_init1(SysBusDevice *dev) |
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{
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IOMMUState *s = FROM_SYSBUS(IOMMUState, dev); |
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int io; |
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s = qemu_mallocz(sizeof(IOMMUState));
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sysbus_init_irq(dev, &s->irq);
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s->version = version; |
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s->irq = irq; |
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s->version = qdev_get_prop_int(&dev->qdev, "version", 0); |
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iommu_io_memory = cpu_register_io_memory(iommu_mem_read, |
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iommu_mem_write, s); |
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cpu_register_physical_memory(addr, IOMMU_NREGS * 4, iommu_io_memory); |
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io = cpu_register_io_memory(iommu_mem_read, iommu_mem_write, s); |
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sysbus_init_mmio(dev, IOMMU_NREGS * sizeof(uint32_t), io); |
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register_savevm("iommu", addr, 2, iommu_save, iommu_load, s);
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register_savevm("iommu", -1, 2, iommu_save, iommu_load, s);
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qemu_register_reset(iommu_reset, s); |
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iommu_reset(s); |
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return s; |
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} |
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static SysBusDeviceInfo iommu_info = {
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.init = iommu_init1, |
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.qdev.name = "iommu", |
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.qdev.size = sizeof(IOMMUState), |
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.qdev.props = (DevicePropList[]) {
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{.name = "version", .type = PROP_TYPE_INT},
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{.name = NULL}
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} |
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}; |
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static void iommu_register_devices(void) |
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{
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sysbus_register_withprop(&iommu_info); |
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} |
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device_init(iommu_register_devices) |
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