hw/qdev-addr.c

   1 #include "hw/qdev.h"
   2 #include "hw/qdev-addr.h"
   3 #include "exec/hwaddr.h"
   4 #include "qapi/qmp/qerror.h"
   5 #include "qapi/visitor.h"
   6
   7 /* --- target physical address --- */
   8
   9 static int parse_taddr(DeviceState *dev, Property *prop, const char *str)
  10 {
  11     hwaddr *ptr = qdev_get_prop_ptr(dev, prop);
  12
  13     *ptr = strtoull(str, NULL, 16);
  14     return 0;
  15 }
  16
  17 static int print_taddr(DeviceState *dev, Property *prop, char *dest, size_t len)
  18 {
  19     hwaddr *ptr = qdev_get_prop_ptr(dev, prop);
  20     return snprintf(dest, len, "0x" TARGET_FMT_plx, *ptr);
  21 }
  22
  23 static void get_taddr(Object *obj, Visitor *v, void *opaque,
  24                       const char *name, Error **errp)
  25 {
  26     DeviceState *dev = DEVICE(obj);
  27     Property *prop = opaque;
  28     hwaddr *ptr = qdev_get_prop_ptr(dev, prop);
  29     int64_t value;
  30
  31     value = *ptr;
  32     visit_type_int64(v, &value, name, errp);
  33 }
  34
  35 static void set_taddr(Object *obj, Visitor *v, void *opaque,
  36                       const char *name, Error **errp)
  37 {
  38     DeviceState *dev = DEVICE(obj);
  39     Property *prop = opaque;
  40     hwaddr *ptr = qdev_get_prop_ptr(dev, prop);
  41     Error *local_err = NULL;
  42     int64_t value;
  43
  44     if (dev->realized) {
  45         qdev_prop_set_after_realize(dev, name, errp);
  46         return;
  47     }
  48
  49     visit_type_int64(v, &value, name, &local_err);
  50     if (local_err) {
  51         error_propagate(errp, local_err);
  52         return;
  53     }
  54     if ((uint64_t)value <= (uint64_t) ~(hwaddr)0) {
  55         *ptr = value;
  56     } else {
  57         error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE,
  58                   dev->id?:"", name, value, (uint64_t) 0,
  59                   (uint64_t) ~(hwaddr)0);
  60     }
  61 }
  62
  63
  64 PropertyInfo qdev_prop_taddr = {
  65     .name  = "taddr",
  66     .parse = parse_taddr,
  67     .print = print_taddr,
  68     .get   = get_taddr,
  69     .set   = set_taddr,
  70 };
  71
  72 void qdev_prop_set_taddr(DeviceState *dev, const char *name, hwaddr value)
  73 {
  74     Error *errp = NULL;
  75     object_property_set_int(OBJECT(dev), value, name, &errp);
  76     assert(!errp);
  77
  78 }