/* * SPDX-FileCopyrightText: 2020-2021 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ #ifndef BOOTLOADER_BUILD #include #include #include "esp_attr.h" #include "sdkconfig.h" #include "soc/soc.h" #include "soc/soc_memory_layout.h" #include "esp_heap_caps.h" /** * @brief Memory type descriptors. These describe the capabilities of a type of memory in the SoC. * Each type of memory map consists of one or more regions in the address space. * Each type contains an array of prioritized capabilities. * Types with later entries are only taken if earlier ones can't fulfill the memory request. * * - 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. * - For a malloc where 32-bit-aligned-only access is okay, first allocate IRAM, then DRAM, finally application IRAM. * - Application mallocs (PIDx) will allocate IRAM first, if possible, then DRAM. * - Most other malloc caps only fit in one region anyway. * */ // IDF-4299 const soc_memory_type_desc_t soc_memory_types[] = { // Type 0: DRAM { "DRAM", { MALLOC_CAP_8BIT | MALLOC_CAP_DEFAULT, MALLOC_CAP_INTERNAL | MALLOC_CAP_DMA | MALLOC_CAP_32BIT, 0 }, false, false}, // Type 1: DRAM used for startup stacks { "STACK/DRAM", { MALLOC_CAP_8BIT | MALLOC_CAP_DEFAULT, MALLOC_CAP_INTERNAL | MALLOC_CAP_DMA | MALLOC_CAP_32BIT, MALLOC_CAP_RETENTION }, false, true}, // Type 2: DRAM which has an alias on the I-port { "D/IRAM", { 0, MALLOC_CAP_DMA | MALLOC_CAP_8BIT | MALLOC_CAP_INTERNAL | MALLOC_CAP_DEFAULT, MALLOC_CAP_32BIT | MALLOC_CAP_EXEC }, true, false}, // Type 3: IRAM { "IRAM", { MALLOC_CAP_EXEC | MALLOC_CAP_32BIT | MALLOC_CAP_INTERNAL, 0, 0 }, false, false}, }; #ifdef CONFIG_ESP_SYSTEM_MEMPROT_FEATURE #define SOC_MEMORY_TYPE_DEFAULT 0 #else #define SOC_MEMORY_TYPE_DEFAULT 2 #endif const size_t soc_memory_type_count = sizeof(soc_memory_types) / sizeof(soc_memory_type_desc_t); /** * @brief Region descriptors. These describe all regions of memory available, and map them to a type in the above type. * * @note Because of requirements in the coalescing code which merges adjacent regions, * this list should always be sorted from low to high by start address. * */ const soc_memory_region_t soc_memory_regions[] = { { 0x3FCA0000, 0x10000, SOC_MEMORY_TYPE_DEFAULT, 0x40380000}, //Block 4, can be remapped to ROM, can be used as trace memory { 0x3FCB0000, 0x10000, SOC_MEMORY_TYPE_DEFAULT, 0x40390000}, //Block 5, can be remapped to ROM, can be used as trace memory { 0x3FCC0000, 0x20000, 1, 0x403A0000}, //Block 9, can be used as trace memory }; const size_t soc_memory_region_count = sizeof(soc_memory_regions) / sizeof(soc_memory_region_t); extern int _data_start, _heap_start, _iram_start, _iram_end; /** * Reserved memory regions. * These are removed from the soc_memory_regions array when heaps are created. * */ // Static data region. DRAM used by data+bss and possibly rodata SOC_RESERVE_MEMORY_REGION((intptr_t)&_data_start, (intptr_t)&_heap_start, dram_data); // Target has a big D/IRAM region, the part used by code is reserved // The address of the D/I bus are in the same order, directly shift IRAM address to get reserved DRAM address #define I_D_OFFSET (SOC_DIRAM_IRAM_LOW - SOC_DIRAM_DRAM_LOW) SOC_RESERVE_MEMORY_REGION((intptr_t)&_iram_start - I_D_OFFSET, (intptr_t)&_iram_end - I_D_OFFSET, iram_code); #endif // BOOTLOADER_BUILD