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;
}
hrt_vaddress
sh_css_load_blob(const unsigned char *blob, unsigned size)
{
hrt_vaddress target_addr = mmgr_malloc(size);
/* this will allocate memory aligned to a DDR word boundary which
is required for the CSS DMA to read the instructions. */
assert(blob != NULL);
if (target_addr) {
mmgr_store(target_addr, blob, size);
#ifdef HRT_CSIM
{
unsigned padded_size = CEIL_MUL(size, HIVE_ISP_DDR_WORD_BYTES);
mmgr_clear(target_addr + size, padded_size - size);
}
#endif
}
return target_addr;
}
void ia_css_frame_zero(struct ia_css_frame *frame)
{
assert(frame != NULL);
mmgr_clear(frame->data, frame->data_bytes);
}
