diff options
Diffstat (limited to 'sim/common/hw-device.h')
| -rw-r--r-- | sim/common/hw-device.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/sim/common/hw-device.h b/sim/common/hw-device.h index ecbedca..4abe207 100644 --- a/sim/common/hw-device.h +++ b/sim/common/hw-device.h @@ -350,6 +350,25 @@ typedef int (hw_unit_size_to_attach_size_callback) +/* Memory allocator / de-allocator. + + All memory allocated using the below will be automatically + reclaimed when the device is deleted. + + A device implementation can either use these functions when + allocating memory or use malloc/zalloc/free an co-ordinate its own + garbage collection. */ + +#define HW_ZALLOC(me,type) (type*) hw_zalloc (me, sizeof (type)) +#define HW_MALLOC(me,type) (type*) hw_malloc (me, sizeof (type)) + +extern void *hw_zalloc (struct hw *me, unsigned long size); +extern void *hw_malloc (struct hw *me, unsigned long size); +extern void hw_free (struct hw *me, void *); +extern void hw_free_all (struct hw *me); + + + /* Utilities: */ @@ -435,6 +454,7 @@ void volatile NORETURN hw_abort struct hw_property_data; struct hw_port_data; struct hw_base_data; +struct hw_alloc_data; /* Finally the hardware device - keep your grubby little mits off of these internals! :-) */ @@ -489,6 +509,7 @@ struct hw { struct hw_property_data *properties_of_hw; struct hw_port_data *ports_of_hw; struct hw_base_data *base_of_hw; + struct hw_alloc_data *alloc_of_hw; }; |