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qdev: Add support for uint8_t 

Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Juan Quintela 2009-09-29 22:48:25 +02:00 committed by Anthony Liguori
parent 6680f01c8c
commit c7cc172d20
2 changed files with 38 additions and 0 deletions
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33
hw/qdev-properties.c
View File

@ -8,6 +8,34 @@ void *qdev_get_prop_ptr(DeviceState *dev, Property *prop)
return ptr;
}
/* --- 8bit integer --- */
static int parse_uint8(DeviceState *dev, Property *prop, const char *str)
{
uint8_t *ptr = qdev_get_prop_ptr(dev, prop);
const char *fmt;
/* accept both hex and decimal */
fmt = strncasecmp(str, "0x",2) == 0 ? "%" PRIx8 : "%" PRIu8;
if (sscanf(str, fmt, ptr) != 1)
return -1;
return 0;
}
static int print_uint8(DeviceState *dev, Property *prop, char *dest, size_t len)
{
uint8_t *ptr = qdev_get_prop_ptr(dev, prop);
return snprintf(dest, len, "%" PRIu8, *ptr);
}
PropertyInfo qdev_prop_uint8 = {
.name = "uint8",
.type = PROP_TYPE_UINT8,
.size = sizeof(uint8_t),
.parse = parse_uint8,
.print = print_uint8,
};
/* --- 16bit integer --- */
static int parse_uint16(DeviceState *dev, Property *prop, const char *str)
@ -391,6 +419,11 @@ void qdev_prop_set(DeviceState *dev, const char *name, void *src, enum PropertyT
memcpy(dst, src, prop->info->size);
}
void qdev_prop_set_uint8(DeviceState *dev, const char *name, uint8_t value)
{
qdev_prop_set(dev, name, &value, PROP_TYPE_UINT8);
}
void qdev_prop_set_uint16(DeviceState *dev, const char *name, uint16_t value)
{
qdev_prop_set(dev, name, &value, PROP_TYPE_UINT16);

5
hw/qdev.h
View File

@ -60,6 +60,7 @@ struct Property {
enum PropertyType {
PROP_TYPE_UNSPEC = 0,
PROP_TYPE_UINT8,
PROP_TYPE_UINT16,
PROP_TYPE_UINT32,
PROP_TYPE_INT32,
@ -155,6 +156,7 @@ void do_info_qdm(Monitor *mon);
/*** qdev-properties.c ***/
extern PropertyInfo qdev_prop_uint8;
extern PropertyInfo qdev_prop_uint16;
extern PropertyInfo qdev_prop_uint32;
extern PropertyInfo qdev_prop_int32;
@ -181,6 +183,8 @@ extern PropertyInfo qdev_prop_pci_devfn;
.defval = (_type[]) { _defval }, \
}
#define DEFINE_PROP_UINT8(_n, _s, _f, _d) \
DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_uint8, uint8_t)
#define DEFINE_PROP_UINT16(_n, _s, _f, _d) \
DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_uint16, uint16_t)
#define DEFINE_PROP_UINT32(_n, _s, _f, _d) \
@ -212,6 +216,7 @@ extern PropertyInfo qdev_prop_pci_devfn;
void *qdev_get_prop_ptr(DeviceState *dev, Property *prop);
int qdev_prop_parse(DeviceState *dev, const char *name, const char *value);
void qdev_prop_set(DeviceState *dev, const char *name, void *src, enum PropertyType type);
void qdev_prop_set_uint8(DeviceState *dev, const char *name, uint8_t value);
void qdev_prop_set_uint16(DeviceState *dev, const char *name, uint16_t value);
void qdev_prop_set_uint32(DeviceState *dev, const char *name, uint32_t value);
void qdev_prop_set_int32(DeviceState *dev, const char *name, int32_t value);