67 lines
1.9 KiB
C
67 lines
1.9 KiB
C
/*
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* Copyright (c) 2010 The VP8 project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#define __VPX_MEM_C__
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#include "vpx_mem.h"
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#include <nitro.h>
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#include "vpx_mem_intrnl.h"
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// Allocate memory from the Arena specified by id. Align it to
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// the value specified by align.
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void *vpx_mem_nds_alloc(osarena_id id, osheap_handle handle, size_t size, size_t align)
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{
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void *addr,
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* x = NULL;
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addr = os_alloc_from_heap((osarena_id) id, handle,
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size + align - 1 + ADDRESS_STORAGE_SIZE);
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if (addr)
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{
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x = align_addr((unsigned char *)addr + ADDRESS_STORAGE_SIZE, (int)align);
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// save the actual malloc address
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((size_t *)x)[-1] = (size_t)addr;
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}
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return x;
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}
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// Free them memory allocated by vpx_mem_nds_alloc
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void vpx_mem_nds_free(osarena_id id, osheap_handle handle, void *mem)
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{
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if (mem)
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{
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void *addr = (void *)(((size_t *)mem)[-1]);
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os_free_to_heap(id, handle, addr);
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}
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}
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int vpx_nds_alloc_heap(osarena_id id, u32 size)
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{
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osheap_handle arena_handle;
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void *nstart;
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void *heap_start;
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nstart = os_init_alloc(id, os_get_arena_lo(id), os_get_arena_hi(id), 1);
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os_set_arena_lo(id, nstart);
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heap_start = os_alloc_from_arena_lo(id, size, 32);
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arena_handle = os_create_heap(id, heap_start, (void *)((u32)heap_start + size));
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if (os_check_heap(id, arena_handle) == -1)
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return -1; //ERROR: DTCM heap is not consistent
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(void)os_set_current_heap(id, arena_handle);
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return arena_handle;
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}
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