esp32: Extract memory layout definitions to a separate header
This commit is contained in:
YAMAMOTO Takashi
Abdelatif Guettouche
parent
1d66d5c297
commit
3857d7491f
112
arch/xtensa/include/esp32/memory_layout.h
Normal file
112
arch/xtensa/include/esp32/memory_layout.h
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/****************************************************************************
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* arch/xtensa/include/esp32/memory_layout.h
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*
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* Copyright (C) 2016 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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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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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* The heap overview:
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*
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* CONFIG_HEAP2_BASE eg. 3f80 0000
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* :
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* : g_mmheap region3 (CONFIG_ESP32_SPIRAM)
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* :
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* CONFIG_HEAP2_BASE + CONFIG_HEAP2_SIZE eg. 3fc0 0000
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*
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* _sheap eg. 3ffc 8c6c
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* :
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* : g_iheap (CONFIG_XTENSA_IMEM_USE_SEPARATE_HEAP)
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* :
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* _sheap + CONFIG_XTENSA_IMEM_REGION_SIZE eg. 3ffd ebfc
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* :
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* : g_mmheap region1
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* :
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* HEAP_REGION1_END 3ffd fff0
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* :
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* : ROM data
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* :
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* HEAP_REGION2_START 3ffe 1330 or 3ffe 7e40
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* :
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* : g_mmheap region2
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* :
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* : about 123KB
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* :
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* _eheap 4000 0000
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*/
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/* Region 1 of the heap is the area from the end of the .data section to the
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* beginning of the ROM data. The start address is defined from the linker
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* script as "_sheap". Then end is defined here, as follows:
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*/
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#ifndef HEAP_REGION1_END
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#define HEAP_REGION1_END 0x3ffdfff0
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#endif
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/* Region 2 of the heap is the area from the end of the ROM data to the end
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* of DRAM. The linker script has already set "_eheap" as the end of DRAM,
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* the following defines the start of region2.
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* N.B: That ROM data consists of 2 regions, one per CPU. If SMP is not
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* enabled include APP's region with the heap.
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*/
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#ifndef CONFIG_SMP
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# define HEAP_REGION2_START 0x3ffe1330
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#else
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# define HEAP_REGION2_START 0x3ffe7e40
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#endif
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#ifdef CONFIG_XTENSA_IMEM_USE_SEPARATE_HEAP
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#define XTENSA_IMEM_REGION_SIZE CONFIG_XTENSA_IMEM_REGION_SIZE
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#else
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#define XTENSA_IMEM_REGION_SIZE 0
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#endif
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/* If CONFIG_XTENSA_IMEM_MAXIMIZE_HEAP_REGION is defined, it means
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* using maximum separate heap for internal memory, but part of
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* the available memory is reserved for the Region 1 heap.
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*/
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#ifdef CONFIG_XTENSA_IMEM_MAXIMIZE_HEAP_REGION
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#ifndef HEAP_REGION_OFFSET
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#define HEAP_REGION_OFFSET 0x2000
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#endif
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#endif
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@ -46,6 +46,7 @@
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#include <nuttx/mm/mm.h>
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#include <nuttx/board.h>
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#include <arch/board/board.h>
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#include <arch/esp32/memory_layout.h>
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#include "xtensa.h"
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@ -53,74 +54,6 @@
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* Pre-processor Definitions
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****************************************************************************/
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/* The heap overview:
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*
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* CONFIG_HEAP2_BASE eg. 3f80 0000
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* :
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* : g_mmheap region3 (CONFIG_ESP32_SPIRAM)
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* :
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* CONFIG_HEAP2_BASE + CONFIG_HEAP2_SIZE eg. 3fc0 0000
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*
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* _sheap eg. 3ffc 8c6c
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* :
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* : g_iheap (CONFIG_XTENSA_IMEM_USE_SEPARATE_HEAP)
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* :
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* _sheap + CONFIG_XTENSA_IMEM_REGION_SIZE eg. 3ffd ebfc
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* :
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* : g_mmheap region1
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* :
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* HEAP_REGION1_END 3ffd fff0
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* :
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* : ROM data
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* :
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* HEAP_REGION2_START 3ffe 1330 or 3ffe 7e40
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* :
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* : g_mmheap region2
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* :
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* : about 123KB
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* :
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* _eheap 4000 0000
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*/
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/* Region 1 of the heap is the area from the end of the .data section to the
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* beginning of the ROM data. The start address is defined from the linker
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* script as "_sheap". Then end is defined here, as follows:
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*/
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#ifndef HEAP_REGION1_END
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#define HEAP_REGION1_END 0x3ffdfff0
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#endif
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/* Region 2 of the heap is the area from the end of the ROM data to the end
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* of DRAM. The linker script has already set "_eheap" as the end of DRAM,
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* the following defines the start of region2.
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* N.B: That ROM data consists of 2 regions, one per CPU. If SMP is not
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* enabled include APP's region with the heap.
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*/
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#ifndef CONFIG_SMP
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# define HEAP_REGION2_START 0x3ffe1330
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#else
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# define HEAP_REGION2_START 0x3ffe7e40
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#endif
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#ifdef CONFIG_XTENSA_IMEM_USE_SEPARATE_HEAP
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#define XTENSA_IMEM_REGION_SIZE CONFIG_XTENSA_IMEM_REGION_SIZE
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#else
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#define XTENSA_IMEM_REGION_SIZE 0
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#endif
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/* If CONFIG_XTENSA_IMEM_MAXIMIZE_HEAP_REGION is defined, it means
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* using maximum separate heap for internal memory, but part of
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* the available memory is reserved for the Region 1 heap.
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*/
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#ifdef CONFIG_XTENSA_IMEM_MAXIMIZE_HEAP_REGION
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#ifndef HEAP_REGION_OFFSET
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#define HEAP_REGION_OFFSET 0x2000
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#endif
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#endif
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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@ -28,6 +28,7 @@
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#include <nuttx/fs/procfs.h>
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#include <nuttx/mm/mm.h>
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#include <malloc.h>
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#include <arch/esp32/memory_layout.h>
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#include "xtensa.h"
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@ -37,26 +38,6 @@
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* Pre-processor Definitions
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****************************************************************************/
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/* Region 1 of the heap is the area from the end of the .data section to the
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* begining of the ROM data. The start address is defined from the linker
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* script as "_sheap". Then end is defined here, as follows:
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*/
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#ifndef HEAP_REGION1_END
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#define HEAP_REGION1_END 0x3ffdfff0
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#endif
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/* If define CONFIG_XTENSA_IMEM_MAXIMIZE_HEAP_REGION, it means
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* using maximum separate heap for internal memory, but part of
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* the available memory is reserved for the Region 1 heap.
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*/
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#ifdef CONFIG_XTENSA_IMEM_MAXIMIZE_HEAP_REGION
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#ifndef HEAP_REGION_OFFSET
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#define HEAP_REGION_OFFSET 0x2000
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#endif
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#endif
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/****************************************************************************
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* Private Data
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****************************************************************************/
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