hrt_vaddress sh_css_refcount_alloc(
int32_t id, const size_t size, const uint16_t attribute)
{
hrt_vaddress ptr;
struct sh_css_refcount_entry *entry = NULL;
uint32_t i;
assert(size > 0);
assert(id != FREE_BUF_CACHE);
for (i = 0; i < myrefcount.size; i++) {
entry = &myrefcount.items[i];
if ((entry->id == FREE_BUF_CACHE) && (entry->size == size)) {
entry->id = id;
assert(entry->count == 0);
entry->count = 1;
assert(entry->data != mmgr_NULL);
if (attribute & MMGR_ATTRIBUTE_CLEARED)
mmgr_clear(entry->data, size);
sh_css_dtrace(SH_DBG_TRACE_PRIVATE,
"sh_css_refcount_alloc(%x) 0x%x "
"reused from cache, refcnt %d\n",
id, entry->data, entry->count);
return entry->data;
}
}
ptr = mmgr_alloc_attr(size, attribute);
assert(ptr != mmgr_NULL);
/* This address should not exist in the administration yet */
assert(!find_entry(ptr));
entry = find_free_entry(ptr);
assert(entry != NULL);
if (entry == NULL)
return mmgr_NULL;
assert(entry->data == mmgr_NULL);
entry->id = id;
entry->data = ptr;
entry->size = size;
entry->count = 1;
sh_css_dtrace(SH_DBG_TRACE_PRIVATE,
"sh_css_refcount_alloc(%x) 0x%x "
"new alloc refcnt %d\n",
id, ptr, entry->count);
return ptr;
}
static enum ia_css_err frame_allocate_buffer_data(struct ia_css_frame *frame)
{
frame->data = mmgr_alloc_attr(frame->data_bytes,
frame->contiguous ?
MMGR_ATTRIBUTE_CONTIGUOUS :
MMGR_ATTRIBUTE_DEFAULT);
if (frame->data == mmgr_NULL)
return IA_CSS_ERR_CANNOT_ALLOCATE_MEMORY;
return IA_CSS_SUCCESS;
}
hrt_vaddress
mmgr_calloc(const size_t N, const size_t size)
{
return mmgr_alloc_attr(size * N, MMGR_ATTRIBUTE_CLEARED);
}
hrt_vaddress
mmgr_malloc(const size_t size)
{
return mmgr_alloc_attr(size, 0);
}
