incubator-nuttx/arch/xtensa/include/esp32s3/memory_layout.h

84 lines
2.9 KiB
C

/****************************************************************************
* arch/xtensa/include/esp32s3/memory_layout.h
*
* 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 <nuttx/config.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* The heap overview:
*
* HEAP_REGION0_START g_allocable_vaddr_start
* :
* : g_mmheap (CONFIG_ESP32_SPIRAM)
* :
* HEAP_REGION0_END g_allocable_vaddr_end
* :
*---------------------------------------------------------------------
* if CONFIG_MM_KERNEL_HEAP && MM_USER_HEAP_IRAM
*
* HEAP_REGION1_START _sheap
* :
* : g_iheap (CONFIG_XTENSA_IMEM_USE_SEPARATE_HEAP)
* :
* HEAP_REGION1_START + CONFIG_XTENSA_IMEM_REGION_SIZE
* :
* : g_mmheap region1
* :
* HEAP_REGION1_END 3fcc fff0
* :
* HEAP_REGION2_START 3fcd 0000
* :
* : g_mmheap region2
* :
* HEAP_REGION2_END dram0_rtos_reserved_start
* :
*---------------------------------------------------------------------
* if !CONFIG_MM_KERNEL_HEAP || !MM_USER_HEAP_IRAM
*
* HEAP_REGION1_START _sheap
* :
* : g_iheap (CONFIG_XTENSA_IMEM_USE_SEPARATE_HEAP)
* :
* HEAP_REGION1_START + CONFIG_XTENSA_IMEM_REGION_SIZE
* :
* : g_mmheap region1
* :
* HEAP_REGION1_END dram0_rtos_reserved_start
* :
*---------------------------------------------------------------------
*/
#ifdef CONFIG_MM_KERNEL_HEAP
# define HEAP_REGION1_END 0x3fccfff0
# define HEAP_REGION2_START 0x3fcd0000
#endif
#ifdef CONFIG_XTENSA_IMEM_USE_SEPARATE_HEAP
# define XTENSA_IMEM_REGION_SIZE CONFIG_XTENSA_IMEM_REGION_SIZE
#else
# define XTENSA_IMEM_REGION_SIZE 0
#endif