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/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#define __VPX_MEM_C__
#include "vpx_mem.h"
#include <nitro.h>
#include "vpx_mem_intrnl.h"
// Allocate memory from the Arena specified by id. Align it to
// the value specified by align.
void *vpx_mem_nds_alloc(osarena_id id, osheap_handle handle, size_t size, size_t align)
{
void *addr,
* x = NULL;
addr = os_alloc_from_heap((osarena_id) id, handle,
size + align - 1 + ADDRESS_STORAGE_SIZE);
if (addr)
{
x = align_addr((unsigned char *)addr + ADDRESS_STORAGE_SIZE, (int)align);
// save the actual malloc address
((size_t *)x)[-1] = (size_t)addr;
}
return x;
}
// Free them memory allocated by vpx_mem_nds_alloc
void vpx_mem_nds_free(osarena_id id, osheap_handle handle, void *mem)
{
if (mem)
{
void *addr = (void *)(((size_t *)mem)[-1]);
os_free_to_heap(id, handle, addr);
}
}
int vpx_nds_alloc_heap(osarena_id id, u32 size)
{
osheap_handle arena_handle;
void *nstart;
void *heap_start;
nstart = os_init_alloc(id, os_get_arena_lo(id), os_get_arena_hi(id), 1);
os_set_arena_lo(id, nstart);
heap_start = os_alloc_from_arena_lo(id, size, 32);
arena_handle = os_create_heap(id, heap_start, (void *)((u32)heap_start + size));
if (os_check_heap(id, arena_handle) == -1)
return -1; //ERROR: DTCM heap is not consistent
(void)os_set_current_heap(id, arena_handle);
return arena_handle;
}
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