diff options
| -rw-r--r-- | hw/core/qdev-properties.c | 58 | ||||
| -rw-r--r-- | include/hw/qdev-properties.h | 10 |
2 files changed, 68 insertions, 0 deletions
diff --git a/hw/core/qdev-properties.c b/hw/core/qdev-properties.c index 570d5f0bad..a1606deaca 100644 --- a/hw/core/qdev-properties.c +++ b/hw/core/qdev-properties.c @@ -125,6 +125,64 @@ PropertyInfo qdev_prop_bit = { .set = prop_set_bit, }; +/* Bit64 */ + +static uint64_t qdev_get_prop_mask64(Property *prop) +{ + assert(prop->info == &qdev_prop_bit); + return 0x1 << prop->bitnr; +} + +static void bit64_prop_set(DeviceState *dev, Property *props, bool val) +{ + uint64_t *p = qdev_get_prop_ptr(dev, props); + uint64_t mask = qdev_get_prop_mask64(props); + if (val) { + *p |= mask; + } else { + *p &= ~mask; + } +} + +static void prop_get_bit64(Object *obj, Visitor *v, void *opaque, + const char *name, Error **errp) +{ + DeviceState *dev = DEVICE(obj); + Property *prop = opaque; + uint64_t *p = qdev_get_prop_ptr(dev, prop); + bool value = (*p & qdev_get_prop_mask64(prop)) != 0; + + visit_type_bool(v, &value, name, errp); +} + +static void prop_set_bit64(Object *obj, Visitor *v, void *opaque, + const char *name, Error **errp) +{ + DeviceState *dev = DEVICE(obj); + Property *prop = opaque; + Error *local_err = NULL; + bool value; + + if (dev->realized) { + qdev_prop_set_after_realize(dev, name, errp); + return; + } + + visit_type_bool(v, &value, name, &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } + bit64_prop_set(dev, prop, value); +} + +PropertyInfo qdev_prop_bit64 = { + .name = "bool", + .description = "on/off", + .get = prop_get_bit64, + .set = prop_set_bit64, +}; + /* --- bool --- */ static void get_bool(Object *obj, Visitor *v, void *opaque, diff --git a/include/hw/qdev-properties.h b/include/hw/qdev-properties.h index d67dad5f77..0cfff1c77c 100644 --- a/include/hw/qdev-properties.h +++ b/include/hw/qdev-properties.h @@ -6,6 +6,7 @@ /*** qdev-properties.c ***/ extern PropertyInfo qdev_prop_bit; +extern PropertyInfo qdev_prop_bit64; extern PropertyInfo qdev_prop_bool; extern PropertyInfo qdev_prop_uint8; extern PropertyInfo qdev_prop_uint16; @@ -50,6 +51,15 @@ extern PropertyInfo qdev_prop_arraylen; .qtype = QTYPE_QBOOL, \ .defval = (bool)_defval, \ } +#define DEFINE_PROP_BIT64(_name, _state, _field, _bit, _defval) { \ + .name = (_name), \ + .info = &(qdev_prop_bit), \ + .bitnr = (_bit), \ + .offset = offsetof(_state, _field) \ + + type_check(uint64_t, typeof_field(_state, _field)), \ + .qtype = QTYPE_QBOOL, \ + .defval = (bool)_defval, \ + } #define DEFINE_PROP_BOOL(_name, _state, _field, _defval) { \ .name = (_name), \ |