Revision 49e66373 hw/eccmemctl.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 "sysemu.h"
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#include "sysbus.h"
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//#define DEBUG_ECC |
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#define ECC_DIAG_MASK (ECC_DIAG_SIZE - 1) |
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typedef struct ECCState {
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SysBusDevice busdev; |
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qemu_irq irq; |
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uint32_t regs[ECC_NREGS]; |
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uint8_t diag[ECC_DIAG_SIZE]; |
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s->regs[ECC_ECR1] = 0; |
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} |
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void * ecc_init(target_phys_addr_t base, qemu_irq irq, uint32_t version)
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static void ecc_init1(SysBusDevice *dev)
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{
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int ecc_io_memory; |
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ECCState *s; |
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s = qemu_mallocz(sizeof(ECCState)); |
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s->version = version; |
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s->regs[0] = version; |
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s->irq = irq; |
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ECCState *s = FROM_SYSBUS(ECCState, dev); |
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sysbus_init_irq(dev, &s->irq); |
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s->version = qdev_get_prop_int(&dev->qdev, "version", -1); |
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s->regs[0] = s->version; |
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ecc_io_memory = cpu_register_io_memory(ecc_mem_read, ecc_mem_write, s); |
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cpu_register_physical_memory(base, ECC_SIZE, ecc_io_memory); |
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if (version == ECC_MCC) { // SS-600MP only
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sysbus_init_mmio(dev, ECC_SIZE, ecc_io_memory); |
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if (s->version == ECC_MCC) { // SS-600MP only
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ecc_io_memory = cpu_register_io_memory(ecc_diag_mem_read, |
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ecc_diag_mem_write, s); |
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cpu_register_physical_memory(base + 0x1000, ECC_DIAG_SIZE, |
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ecc_io_memory); |
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sysbus_init_mmio(dev, ECC_DIAG_SIZE, ecc_io_memory); |
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} |
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register_savevm("ECC", base, 3, ecc_save, ecc_load, s);
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register_savevm("ECC", -1, 3, ecc_save, ecc_load, s);
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qemu_register_reset(ecc_reset, s); |
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ecc_reset(s); |
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return s; |
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} |
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void ecc_init(target_phys_addr_t base, qemu_irq irq, uint32_t version) |
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{
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DeviceState *dev; |
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SysBusDevice *s; |
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dev = qdev_create(NULL, "ecc"); |
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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, base); |
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if (version == ECC_MCC) { // SS-600MP only
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sysbus_mmio_map(s, 1, base + 0x1000); |
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} |
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} |
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static void ecc_register_devices(void) |
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{
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sysbus_register_dev("ecc", sizeof(ECCState), ecc_init1);
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} |
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device_init(ecc_register_devices) |
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