hw/qdev-addr.c

   1 #include "qdev.h"
   2 #include "qdev-addr.h"
   3 #include "targphys.h"
   4
   5 /* --- target physical address --- */
   6
   7 static int parse_taddr(DeviceState *dev, Property *prop, const char *str)
   8 {
   9     target_phys_addr_t *ptr = qdev_get_prop_ptr(dev, prop);
  10
  11     *ptr = strtoull(str, NULL, 16);
  12     return 0;
  13 }
  14
  15 static int print_taddr(DeviceState *dev, Property *prop, char *dest, size_t len)
  16 {
  17     target_phys_addr_t *ptr = qdev_get_prop_ptr(dev, prop);
  18     return snprintf(dest, len, "0x" TARGET_FMT_plx, *ptr);
  19 }
  20
  21 static void get_taddr(Object *obj, Visitor *v, void *opaque,
  22                       const char *name, Error **errp)
  23 {
  24     DeviceState *dev = DEVICE(obj);
  25     Property *prop = opaque;
  26     target_phys_addr_t *ptr = qdev_get_prop_ptr(dev, prop);
  27     int64_t value;
  28
  29     value = *ptr;
  30     visit_type_int(v, &value, name, errp);
  31 }
  32
  33 static void set_taddr(Object *obj, Visitor *v, void *opaque,
  34                       const char *name, Error **errp)
  35 {
  36     DeviceState *dev = DEVICE(obj);
  37     Property *prop = opaque;
  38     target_phys_addr_t *ptr = qdev_get_prop_ptr(dev, prop);
  39     Error *local_err = NULL;
  40     int64_t value;
  41
  42     if (dev->state != DEV_STATE_CREATED) {
  43         error_set(errp, QERR_PERMISSION_DENIED);
  44         return;
  45     }
  46
  47     visit_type_int(v, &value, name, &local_err);
  48     if (local_err) {
  49         error_propagate(errp, local_err);
  50         return;
  51     }
  52     if ((uint64_t)value <= (uint64_t) ~(target_phys_addr_t)0) {
  53         *ptr = value;
  54     } else {
  55         error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE,
  56                   dev->id?:"", name, value, (uint64_t) 0,
  57                   (uint64_t) ~(target_phys_addr_t)0);
  58     }
  59 }
  60
  61
  62 PropertyInfo qdev_prop_taddr = {
  63     .name  = "taddr",
  64     .type  = PROP_TYPE_TADDR,
  65     .size  = sizeof(target_phys_addr_t),
  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, target_phys_addr_t value)
  73 {
  74     qdev_prop_set(dev, name, &value, PROP_TYPE_TADDR);
  75 }