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6382f28998
If memory protection is enabled on esp32c3 and esp32s3, we don't want to the heap component to see the startup stack memory as D/IRAM but as DRAM only. Introduce a new type to make this possible in the same fashion the regular D/IRAM regions are handled.
153 lines
8.2 KiB
C
153 lines
8.2 KiB
C
/*
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* SPDX-FileCopyrightText: 2019-2021 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <stdint.h>
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#include <stdlib.h>
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#include "sdkconfig.h"
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#include "esp_attr.h"
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#include "soc/soc.h"
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#include "soc/dport_reg.h"
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#include "soc/tracemem_config.h"
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#include "heap_memory_layout.h"
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#include "esp_heap_caps.h"
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/**
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* @brief Memory type descriptors. These describe the capabilities of a type of memory in the SoC.
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* Each type of memory map consists of one or more regions in the address space.
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* Each type contains an array of prioritized capabilities.
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* Types with later entries are only taken if earlier ones can't fulfill the memory request.
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*
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* - For a normal malloc (MALLOC_CAP_DEFAULT), give away the DRAM-only memory first, then pass off any dual-use IRAM regions, finally eat into the application memory.
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* - For a malloc where 32-bit-aligned-only access is okay, first allocate IRAM, then DRAM, finally application IRAM.
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* - Application mallocs (PIDx) will allocate IRAM first, if possible, then DRAM.
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* - Most other malloc caps only fit in one region anyway.
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*
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*/
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/* Index of memory in `soc_memory_types[]` */
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enum {
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SOC_MEMORY_TYPE_DRAM = 0,
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SOC_MEMORY_TYPE_STACK_DRAM = 1,
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SOC_MEMORY_TYPE_DIRAM = 2,
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SOC_MEMORY_TYPE_STACK_DIRAM = 3,
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SOC_MEMORY_TYPE_IRAM = 4,
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SOC_MEMORY_TYPE_SPIRAM = 5,
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SOC_MEMORY_TYPE_NODMARAM = 6,
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SOC_MEMORY_TYPE_RTCRAM = 7,
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SOC_MEMORY_TYPE_NUM,
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};
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const soc_memory_type_desc_t soc_memory_types[SOC_MEMORY_TYPE_NUM] = {
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// Type 0: DRAM
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[SOC_MEMORY_TYPE_DRAM] = { "DRAM", { MALLOC_CAP_8BIT | MALLOC_CAP_DEFAULT, MALLOC_CAP_INTERNAL | MALLOC_CAP_DMA | MALLOC_CAP_32BIT, 0 }, false, false},
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// Type 1: DRAM used for startup stacks
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[SOC_MEMORY_TYPE_STACK_DRAM] = { "STACK/DRAM", { MALLOC_CAP_8BIT | MALLOC_CAP_DEFAULT | MALLOC_CAP_RETENTION, MALLOC_CAP_INTERNAL | MALLOC_CAP_DMA | MALLOC_CAP_32BIT, 0 }, false, true},
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// Type 2: DRAM which has an alias on the I-port
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[SOC_MEMORY_TYPE_DIRAM] = { "D/IRAM", { 0, MALLOC_CAP_DMA | MALLOC_CAP_8BIT | MALLOC_CAP_INTERNAL | MALLOC_CAP_DEFAULT, MALLOC_CAP_32BIT | MALLOC_CAP_EXEC | MALLOC_CAP_RETENTION}, true, false},
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// Type 3: DIRAM used for startup stacks
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[SOC_MEMORY_TYPE_STACK_DIRAM] = { "STACK/DIRAM", { MALLOC_CAP_8BIT | MALLOC_CAP_DEFAULT | MALLOC_CAP_RETENTION, MALLOC_CAP_EXEC | MALLOC_CAP_INTERNAL | MALLOC_CAP_DMA | MALLOC_CAP_32BIT, 0 }, true, true},
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// Type 4: IRAM
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[SOC_MEMORY_TYPE_IRAM] = { "IRAM", { MALLOC_CAP_EXEC | MALLOC_CAP_32BIT | MALLOC_CAP_INTERNAL, 0, 0 }, false, false},
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// Type 5: SPI SRAM data
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[SOC_MEMORY_TYPE_SPIRAM] = { "SPIRAM", { MALLOC_CAP_SPIRAM | MALLOC_CAP_DEFAULT, 0, MALLOC_CAP_8BIT | MALLOC_CAP_32BIT}, false, false},
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// Type 6: DRAM which is not DMA accesible
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[SOC_MEMORY_TYPE_NODMARAM] = { "NON_DMA_DRAM", { MALLOC_CAP_8BIT | MALLOC_CAP_DEFAULT, MALLOC_CAP_INTERNAL | MALLOC_CAP_32BIT, 0 }, false, false},
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// Type 7: RTC Fast RAM
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[SOC_MEMORY_TYPE_RTCRAM] = { "RTCRAM", { MALLOC_CAP_RTCRAM, MALLOC_CAP_8BIT | MALLOC_CAP_DEFAULT, MALLOC_CAP_INTERNAL | MALLOC_CAP_32BIT }, false, false},
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};
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#ifdef CONFIG_ESP_SYSTEM_MEMPROT_FEATURE
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#define SOC_MEMORY_TYPE_DEFAULT SOC_MEMORY_TYPE_DRAM
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#define SOC_MEMORY_TYPE_STACK_DEFAULT SOC_MEMORY_TYPE_STACK_DRAM
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#else
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#define SOC_MEMORY_TYPE_DEFAULT SOC_MEMORY_TYPE_DIRAM
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#define SOC_MEMORY_TYPE_STACK_DEFAULT SOC_MEMORY_TYPE_STACK_DIRAM
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#endif
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const size_t soc_memory_type_count = sizeof(soc_memory_types) / sizeof(soc_memory_type_desc_t);
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/**
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* @brief Region descriptors. These describe all regions of memory available, and map them to a type in the above type.
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*
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* @note Because of requirements in the coalescing code which merges adjacent regions,
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* this list should always be sorted from low to high by start address.
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*
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*/
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/**
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* Register the shared buffer area of the last memory block into the heap during heap initialization
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*/
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#define APP_USABLE_DRAM_END (SOC_ROM_STACK_START - SOC_ROM_STACK_SIZE)
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const soc_memory_region_t soc_memory_regions[] = {
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#ifdef CONFIG_SPIRAM
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{ SOC_EXTRAM_DATA_LOW, SOC_EXTRAM_DATA_SIZE, SOC_MEMORY_TYPE_SPIRAM, 0}, //SPI SRAM, if available
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#endif
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#if CONFIG_ESP32S3_INSTRUCTION_CACHE_16KB
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{ 0x40374000, 0x4000, SOC_MEMORY_TYPE_IRAM, 0}, //Level 1, IRAM
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#endif
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{ 0x3FC88000, 0x8000, SOC_MEMORY_TYPE_DEFAULT, 0x40378000}, //Level 2, IDRAM, can be used as trace memory
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{ 0x3FC90000, 0x10000, SOC_MEMORY_TYPE_DEFAULT, 0x40380000}, //Level 3, IDRAM, can be used as trace memory
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{ 0x3FCA0000, 0x10000, SOC_MEMORY_TYPE_DEFAULT, 0x40390000}, //Level 4, IDRAM, can be used as trace memory
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{ 0x3FCB0000, 0x10000, SOC_MEMORY_TYPE_DEFAULT, 0x403A0000}, //Level 5, IDRAM, can be used as trace memory
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{ 0x3FCC0000, 0x10000, SOC_MEMORY_TYPE_DEFAULT, 0x403B0000}, //Level 6, IDRAM, can be used as trace memory
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{ 0x3FCD0000, 0x10000, SOC_MEMORY_TYPE_DEFAULT, 0x403C0000}, //Level 7, IDRAM, can be used as trace memory
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{ 0x3FCE0000, (APP_USABLE_DRAM_END-0x3FCE0000), SOC_MEMORY_TYPE_DEFAULT, 0x403D0000}, //Level 8, IDRAM, can be used as trace memory,
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{ APP_USABLE_DRAM_END, (SOC_DIRAM_DRAM_HIGH-APP_USABLE_DRAM_END), SOC_MEMORY_TYPE_STACK_DEFAULT, MAP_DRAM_TO_IRAM(APP_USABLE_DRAM_END)}, //Level 8, IDRAM, can be used as trace memory, ROM reserved area, recycled by heap allocator in app_main task
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#if CONFIG_ESP32S3_DATA_CACHE_16KB || CONFIG_ESP32S3_DATA_CACHE_32KB
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{ 0x3FCF0000, 0x8000, SOC_MEMORY_TYPE_DRAM, 0}, //Level 9, DRAM, DMA is accessible but retention DMA is inaccessible
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#endif
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#if CONFIG_ESP32S3_DATA_CACHE_16KB
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{ 0x3C000000, 0x4000, SOC_MEMORY_TYPE_DRAM, 0}, //Level 10, DRAM, DMA is accessible but retention DMA is inaccessible
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#endif
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#ifdef CONFIG_ESP_SYSTEM_ALLOW_RTC_FAST_MEM_AS_HEAP
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{ 0x600fe000, 0x2000, SOC_MEMORY_TYPE_RTCRAM, 0}, //Fast RTC memory
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#endif
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};
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const size_t soc_memory_region_count = sizeof(soc_memory_regions) / sizeof(soc_memory_region_t);
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extern int _data_start, _heap_start, _iram_start, _iram_end, _rtc_force_fast_end, _rtc_noinit_end; // defined in sections.ld.in
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/**
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* Reserved memory regions.
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* These are removed from the soc_memory_regions array when heaps are created.
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*
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*/
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// Static data region. DRAM used by data+bss and possibly rodata
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SOC_RESERVE_MEMORY_REGION((intptr_t)&_data_start, (intptr_t)&_heap_start, dram_data);
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// ESP32S3 has a big D/IRAM region, the part used by code is reserved
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// The address of the D/I bus are in the same order, directly shift IRAM address to get reserved DRAM address
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#define I_D_OFFSET (SOC_DIRAM_IRAM_LOW - SOC_DIRAM_DRAM_LOW)
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// .text region in diram. DRAM used by text (shared with IBUS).
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SOC_RESERVE_MEMORY_REGION((intptr_t)&_iram_start - I_D_OFFSET, (intptr_t)&_iram_end - I_D_OFFSET, iram_code);
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#if CONFIG_ESP32S3_INSTRUCTION_CACHE_16KB
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SOC_RESERVE_MEMORY_REGION((intptr_t)&_iram_start, (intptr_t)&_iram_end, iram_code_2);
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#endif
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#ifdef CONFIG_SPIRAM
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/* Reserve the whole possible SPIRAM region here, spiram.c will add some or all of this
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* memory to heap depending on the actual SPIRAM chip size. */
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SOC_RESERVE_MEMORY_REGION( SOC_EXTRAM_DATA_LOW, SOC_EXTRAM_DATA_HIGH, extram_data_region);
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#endif
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#if CONFIG_ESP32S3_TRACEMEM_RESERVE_DRAM > 0
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SOC_RESERVE_MEMORY_REGION(TRACEMEM_BLK0_ADDR, TRACEMEM_BLK0_ADDR + CONFIG_ESP32S3_TRACEMEM_RESERVE_DRAM / 2, trace_mem0);
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SOC_RESERVE_MEMORY_REGION(TRACEMEM_BLK1_ADDR, TRACEMEM_BLK1_ADDR + CONFIG_ESP32S3_TRACEMEM_RESERVE_DRAM / 2, trace_mem1);
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#endif
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// RTC Fast RAM region
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#ifdef CONFIG_ESP_SYSTEM_ALLOW_RTC_FAST_MEM_AS_HEAP
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#ifdef CONFIG_ESP32S3_RTCDATA_IN_FAST_MEM
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SOC_RESERVE_MEMORY_REGION(SOC_RTC_DRAM_LOW, (intptr_t)&_rtc_noinit_end, rtcram_data);
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#else
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SOC_RESERVE_MEMORY_REGION(SOC_RTC_DRAM_LOW, (intptr_t)&_rtc_force_fast_end, rtcram_data);
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#endif
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#endif
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