/**************************************************************************** * arch/z80/src/common/z80_allocateheap.c * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. The * ASF licenses this file to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance with the * License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations * under the License. * ****************************************************************************/ /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include #include #include #include #include #include "z80_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 z80_mem.h */ # include "z80_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/z80_mem.h" #endif /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: up_allocate_heap * * Description: * This function will be called to dynamically set aside the heap region. * * For the kernel build (CONFIG_BUILD_KERNEL=y) with both kernel- and * user-space heaps (CONFIG_MM_KERNEL_HEAP=y), this function provides the * size of the unprotected, user-space heap. * * If a protected kernel-space heap is provided, the kernel heap must be * allocated (and protected) by an analogous up_allocate_kheap(). * ****************************************************************************/ 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; board_autoled_on(LED_HEAPALLOCATE); } /**************************************************************************** * Name: z80_addregions * * Description: * Memory may be added in non-contiguous chunks. Additional chunks are * added by calling this function. * ****************************************************************************/ #if CONFIG_MM_REGIONS > 1 void z80_addregion(void) { kmm_addregion((FAR void *)CONFIG_HEAP2_BASE, CONFIG_HEAP2_SIZE); } #endif