95 lines
3.2 KiB
C
95 lines
3.2 KiB
C
/****************************************************************************
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* arch/z80/src/common/z80_allocateheap.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <sys/types.h>
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#include <debug.h>
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#include <nuttx/arch.h>
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#include <nuttx/board.h>
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#include <nuttx/kmalloc.h>
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#include <nuttx/mm/mm.h>
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#include "z80_internal.h"
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#ifdef SDCC
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/* For the SDCC toolchain, the arch/z80/src/Makefile will parse the map file
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* to determine how much memory is available for the heap. This parsed data
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* is provided via the auto-generated file z80_mem.h
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*/
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# include "z80_mem.h"
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#else
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/* For other toolchains, the architecture must provide a header file in the
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* chip subdirectory to provide the heap parameters (if they are not defined
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* in the configuration file )
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*/
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# include "chip/z80_mem.h"
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#endif
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: up_allocate_heap
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*
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* Description:
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* This function will be called to dynamically set aside the heap region.
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*
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* For the kernel build (CONFIG_BUILD_KERNEL=y) with both kernel- and
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* user-space heaps (CONFIG_MM_KERNEL_HEAP=y), this function provides the
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* size of the unprotected, user-space heap.
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*
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* If a protected kernel-space heap is provided, the kernel heap must be
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* allocated (and protected) by an analogous up_allocate_kheap().
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*
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****************************************************************************/
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void up_allocate_heap(FAR void **heap_start, size_t *heap_size)
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{
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*heap_start = (FAR void *)CONFIG_HEAP1_BASE;
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*heap_size = CONFIG_HEAP1_END - CONFIG_HEAP1_BASE;
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board_autoled_on(LED_HEAPALLOCATE);
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}
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/****************************************************************************
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* Name: z80_addregions
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*
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* Description:
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* Memory may be added in non-contiguous chunks. Additional chunks are
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* added by calling this function.
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*
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****************************************************************************/
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#if CONFIG_MM_REGIONS > 1
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void z80_addregion(void)
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{
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kmm_addregion((FAR void *)CONFIG_HEAP2_BASE, CONFIG_HEAP2_SIZE);
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}
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#endif
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