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(DeviceState *dev, Visitor *v, void *opaque,
  22                       const char *name, Error **errp)
  23 {
  24     Property *prop = opaque;
  25     target_phys_addr_t *ptr = qdev_get_prop_ptr(dev, prop);
  26     int64_t value;
  27
  28     value = *ptr;
  29     visit_type_int(v, &value, name, errp);
  30 }
  31
  32 static void set_taddr(DeviceState *dev, Visitor *v, void *opaque,
  33                       const char *name, Error **errp)
  34 {
  35     Property *prop = opaque;
  36     target_phys_addr_t *ptr = qdev_get_prop_ptr(dev, prop);
  37     Error *local_err = NULL;
  38     int64_t value;
  39
  40     if (dev->state != DEV_STATE_CREATED) {
  41         error_set(errp, QERR_PERMISSION_DENIED);
  42         return;
  43     }
  44
  45     visit_type_int(v, &value, name, &local_err);
  46     if (local_err) {
  47         error_propagate(errp, local_err);
  48         return;
  49     }
  50     if ((uint64_t)value <= (uint64_t) ~(target_phys_addr_t)0) {
  51         *ptr = value;
  52     } else {
  53         error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE,
  54                   dev->id?:"", name, value, (uint64_t) 0,
  55                   (uint64_t) ~(target_phys_addr_t)0);
  56     }
  57 }
  58
  59
  60 PropertyInfo qdev_prop_taddr = {
  61     .name  = "taddr",
  62     .type  = PROP_TYPE_TADDR,
  63     .size  = sizeof(target_phys_addr_t),
  64     .parse = parse_taddr,
  65     .print = print_taddr,
  66     .get   = get_taddr,
  67     .set   = set_taddr,
  68 };
  69
  70 void qdev_prop_set_taddr(DeviceState *dev, const char *name, target_phys_addr_t value)
  71 {
  72     qdev_prop_set(dev, name, &value, PROP_TYPE_TADDR);
  73 }