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/****************************************************************************
* common/up_allocateheap.c
*
* Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include <debug.h>
#include <nuttx/arch.h>
#include <nuttx/mm.h>
#include "up_arch.h"
#include "up_internal.h"
#ifdef SDCC
/* For the SDCC toolchain, the arch/z80/src/Makefile will parse the map file
* to determine how much memory is available for the heap. This parsed data
* is provided via the auto-generated file up_mem.h
*/
# include "up_mem.h"
#else
/* For other toolchains, the architecture must provide a header file in the
* chip subdirectory to provide the heap parameters (if they are not defined
* in the configuration file )
*/
# include "chip/up_mem.h"
#endif
/****************************************************************************
* Definitions
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: up_allocate_heap
*
* Description:
* The heap may be statically allocated by defining CONFIG_HEAP_BASE and
* CONFIG_HEAP_SIZE. If these are not defined, then this function will be
* called to dynamically set aside the heap region.
*
****************************************************************************/
void up_allocate_heap(FAR void **heap_start, size_t *heap_size)
{
*heap_start = (FAR void*)CONFIG_HEAP1_BASE;
*heap_size = CONFIG_HEAP1_END - CONFIG_HEAP1_BASE;
up_ledon(LED_HEAPALLOCATE);
}
/****************************************************************************
* Name: up_addregions
*
* Description:
* Memory may be added in non-contiguous chunks. Additional chunks are
* added by calling this function.
*
****************************************************************************/
#if CONFIG_MM_REGIONS > 1
void up_addregion(void)
{
mm_addregion((FAR void*)CONFIG_HEAP2_BASE, CONFIG_HEAP2_END - CONFIG_HEAP2_BASE);
}
#endif
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