Revision 8d0eb050 hw/i2c.c
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} |
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}; |
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static void i2c_bus_save(QEMUFile *f, void *opaque)
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static void i2c_bus_pre_save(void *opaque)
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{
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i2c_bus *bus = (i2c_bus *)opaque; |
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bus->saved_address = bus->current_dev ? bus->current_dev->address : -1; |
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i2c_bus *bus = opaque; |
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qemu_put_8s(f, &bus->saved_address);
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bus->saved_address = bus->current_dev ? bus->current_dev->address : -1;
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} |
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static int i2c_bus_load(QEMUFile *f, void *opaque, int version_id)
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static int i2c_bus_post_load(void *opaque, int version_id)
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{
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i2c_bus *bus = (i2c_bus *)opaque; |
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if (version_id != 1) |
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return -EINVAL; |
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i2c_bus *bus = opaque; |
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/* The bus is loaded before attached devices, so load and save the |
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current device id. Devices will check themselves as loaded. */ |
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qemu_get_8s(f, &bus->saved_address); |
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bus->current_dev = NULL; |
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return 0; |
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} |
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static const VMStateDescription vmstate_i2c_bus = {
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.name = "i2c_bus", |
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.version_id = 1, |
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.minimum_version_id = 1, |
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.minimum_version_id_old = 1, |
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.pre_save = i2c_bus_pre_save, |
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.post_load = i2c_bus_post_load, |
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.fields = (VMStateField []) {
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VMSTATE_UINT8(saved_address, i2c_bus), |
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VMSTATE_END_OF_LIST() |
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} |
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}; |
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/* Create a new I2C bus. */ |
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i2c_bus *i2c_init_bus(DeviceState *parent, const char *name) |
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{
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i2c_bus *bus; |
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bus = FROM_QBUS(i2c_bus, qbus_create(&i2c_bus_info, parent, name)); |
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register_savevm("i2c_bus", -1, 1, i2c_bus_save, i2c_bus_load, bus);
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vmstate_register(-1, &vmstate_i2c_bus, bus);
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return bus; |
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} |
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