diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/sparc64/sun4u.c | 64 |
1 files changed, 63 insertions, 1 deletions
diff --git a/hw/sparc64/sun4u.c b/hw/sparc64/sun4u.c index c4eff6bea2..a23cb26b0d 100644 --- a/hw/sparc64/sun4u.c +++ b/hw/sparc64/sun4u.c @@ -205,6 +205,59 @@ typedef struct ResetData { uint64_t prom_addr; } ResetData; +#define TYPE_SUN4U_POWER "power" +#define SUN4U_POWER(obj) OBJECT_CHECK(PowerDevice, (obj), TYPE_SUN4U_POWER) + +typedef struct PowerDevice { + SysBusDevice parent_obj; + + MemoryRegion power_mmio; +} PowerDevice; + +/* Power */ +static void power_mem_write(void *opaque, hwaddr addr, + uint64_t val, unsigned size) +{ + /* According to a real Ultra 5, bit 24 controls the power */ + if (val & 0x1000000) { + qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN); + } +} + +static const MemoryRegionOps power_mem_ops = { + .write = power_mem_write, + .endianness = DEVICE_NATIVE_ENDIAN, + .valid = { + .min_access_size = 4, + .max_access_size = 4, + }, +}; + +static void power_realize(DeviceState *dev, Error **errp) +{ + PowerDevice *d = SUN4U_POWER(dev); + SysBusDevice *sbd = SYS_BUS_DEVICE(dev); + + memory_region_init_io(&d->power_mmio, OBJECT(dev), &power_mem_ops, d, + "power", sizeof(uint32_t)); + + sysbus_init_mmio(sbd, &d->power_mmio); +} + +static void power_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + + dc->realize = power_realize; +} + +static const TypeInfo power_info = { + .name = TYPE_SUN4U_POWER, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(PowerDevice), + .class_init = power_class_init, +}; + static void ebus_isa_irq_handler(void *opaque, int n, int level) { EbusState *s = EBUS(opaque); @@ -221,6 +274,7 @@ static void ebus_isa_irq_handler(void *opaque, int n, int level) static void ebus_realize(PCIDevice *pci_dev, Error **errp) { EbusState *s = EBUS(pci_dev); + SysBusDevice *sbd; DeviceState *dev; qemu_irq *isa_irq; DriveInfo *fd[MAX_FD]; @@ -270,6 +324,13 @@ static void ebus_realize(PCIDevice *pci_dev, Error **errp) qdev_prop_set_uint32(dev, "dma", -1); qdev_init_nofail(dev); + /* Power */ + dev = qdev_create(NULL, TYPE_SUN4U_POWER); + qdev_init_nofail(dev); + sbd = SYS_BUS_DEVICE(dev); + memory_region_add_subregion(pci_address_space_io(pci_dev), 0x7240, + sysbus_mmio_get_region(sbd, 0)); + /* PCI */ pci_dev->config[0x04] = 0x06; // command = bus master, pci mem pci_dev->config[0x05] = 0x00; @@ -282,7 +343,7 @@ static void ebus_realize(PCIDevice *pci_dev, Error **errp) 0, 0x1000000); pci_register_bar(pci_dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar0); memory_region_init_alias(&s->bar1, OBJECT(s), "bar1", get_system_io(), - 0, 0x4000); + 0, 0x8000); pci_register_bar(pci_dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &s->bar1); } @@ -694,6 +755,7 @@ static const TypeInfo sun4v_type = { static void sun4u_register_types(void) { + type_register_static(&power_info); type_register_static(&ebus_info); type_register_static(&prom_info); type_register_static(&ram_info); |