qemu/hw/qdev-addr.c

#include "qdev.h"
#include "qdev-addr.h"
#include "targphys.h"

/* --- target physical address --- */

static int parse_taddr(DeviceState *dev, Property *prop, const char *str)
{
    target_phys_addr_t *ptr = qdev_get_prop_ptr(dev, prop);

    *ptr = strtoull(str, NULL, 16);
    return 0;
}

static int print_taddr(DeviceState *dev, Property *prop, char *dest, size_t len)
{
    target_phys_addr_t *ptr = qdev_get_prop_ptr(dev, prop);
    return snprintf(dest, len, "0x" TARGET_FMT_plx, *ptr);
}

static void get_taddr(DeviceState *dev, Visitor *v, void *opaque,
                      const char *name, Error **errp)
{
    Property *prop = opaque;
    target_phys_addr_t *ptr = qdev_get_prop_ptr(dev, prop);
    int64_t value;

    value = *ptr;
    visit_type_int(v, &value, name, errp);
}

static void set_taddr(DeviceState *dev, Visitor *v, void *opaque,
                      const char *name, Error **errp)
{
    Property *prop = opaque;
    target_phys_addr_t *ptr = qdev_get_prop_ptr(dev, prop);
    Error *local_err = NULL;
    int64_t value;

    if (dev->state != DEV_STATE_CREATED) {
        error_set(errp, QERR_PERMISSION_DENIED);
        return;
    }

    visit_type_int(v, &value, name, &local_err);
    if (local_err) {
        error_propagate(errp, local_err);
        return;
    }
    if ((uint64_t)value <= (uint64_t) ~(target_phys_addr_t)0) {
        *ptr = value;
    } else {
        error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE,
                  dev->id?:"", name, value, (uint64_t) 0,
                  (uint64_t) ~(target_phys_addr_t)0);
    }
}


PropertyInfo qdev_prop_taddr = {
    .name  = "taddr",
    .type  = PROP_TYPE_TADDR,
    .size  = sizeof(target_phys_addr_t),
    .parse = parse_taddr,
    .print = print_taddr,
    .get   = get_taddr,
    .set   = set_taddr,
};

void qdev_prop_set_taddr(DeviceState *dev, const char *name, target_phys_addr_t value)
{
    qdev_prop_set(dev, name, &value, PROP_TYPE_TADDR);
}