97 lines
3.4 KiB
C
97 lines
3.4 KiB
C
// Copyright 2010-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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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,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <stdlib.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include "soc/soc.h"
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#include "sdkconfig.h"
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#include "esp_attr.h"
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#define SOC_MEMORY_TYPE_NO_PRIOS 3
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/* Type descriptor holds a description for a particular type of memory on a particular SoC.
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*/
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typedef struct {
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const char *name; ///< Name of this memory type
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uint32_t caps[SOC_MEMORY_TYPE_NO_PRIOS]; ///< Capabilities for this memory type (as a prioritised set)
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bool aliased_iram; ///< If true, this is data memory that is is also mapped in IRAM
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bool startup_stack; ///< If true, memory of this type is used for ROM stack during startup
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} soc_memory_type_desc_t;
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/* Constant table of tag descriptors for all this SoC's tags */
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extern const soc_memory_type_desc_t soc_memory_types[];
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extern const size_t soc_memory_type_count;
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/* Region descriptor holds a description for a particular region of memory on a particular SoC.
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*/
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typedef struct
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{
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intptr_t start; ///< Start address of the region
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size_t size; ///< Size of the region in bytes
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size_t type; ///< Type of the region (index into soc_memory_types array)
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intptr_t iram_address; ///< If non-zero, is equivalent address in IRAM
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} soc_memory_region_t;
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extern const soc_memory_region_t soc_memory_regions[];
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extern const size_t soc_memory_region_count;
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/* Region descriptor holds a description for a particular region of
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memory reserved on this SoC for a particular use (ie not available
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for stack/heap usage.) */
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typedef struct
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{
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intptr_t start;
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intptr_t end;
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} soc_reserved_region_t;
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extern const soc_reserved_region_t soc_reserved_regions[];
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extern const size_t soc_reserved_region_count;
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inline static bool IRAM_ATTR esp_ptr_dma_capable(const void *p)
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{
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return (intptr_t)p >= SOC_DMA_LOW && (intptr_t)p < SOC_DMA_HIGH;
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}
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inline static bool IRAM_ATTR esp_ptr_executable(const void *p)
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{
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intptr_t ip = (intptr_t) p;
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return (ip >= SOC_IROM_LOW && ip < SOC_IROM_HIGH)
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|| (ip >= SOC_IRAM_LOW && ip < SOC_IRAM_HIGH)
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|| (ip >= SOC_RTC_IRAM_LOW && ip < SOC_RTC_IRAM_HIGH);
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}
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inline static bool IRAM_ATTR esp_ptr_byte_accessible(const void *p)
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{
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bool r;
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r = ((intptr_t)p >= SOC_BYTE_ACCESSIBLE_LOW && (intptr_t)p < SOC_BYTE_ACCESSIBLE_HIGH);
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#if CONFIG_SPIRAM_SUPPORT
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r |= ((intptr_t)p >= SOC_EXTRAM_DATA_LOW && (intptr_t)p < SOC_EXTRAM_DATA_HIGH);
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#endif
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return r;
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}
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inline static bool IRAM_ATTR esp_ptr_internal(const void *p) {
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bool r;
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r = ((intptr_t)p >= SOC_MEM_INTERNAL_LOW && (intptr_t)p < SOC_MEM_INTERNAL_HIGH);
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r |= ((intptr_t)p >= SOC_RTC_DATA_LOW && (intptr_t)p < SOC_RTC_DATA_HIGH);
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return r;
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}
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inline static bool IRAM_ATTR esp_ptr_external_ram(const void *p) {
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return ((intptr_t)p >= SOC_EXTRAM_DATA_LOW && (intptr_t)p < SOC_EXTRAM_DATA_HIGH);
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}
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