qemu-patch-raspberry4/hw/qdev-addr.c
Anthony Liguori 57c9fafe0f qom: move properties from qdev to object
This is mostly code movement although not entirely.  This makes properties part
of the Object base class which means that we can now start using Object in a
meaningful way outside of qdev.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-02-03 10:41:08 -06:00

76 lines
2 KiB
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(Object *obj, Visitor *v, void *opaque,
const char *name, Error **errp)
{
DeviceState *dev = DEVICE(obj);
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(Object *obj, Visitor *v, void *opaque,
const char *name, Error **errp)
{
DeviceState *dev = DEVICE(obj);
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);
}