alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2025-08-09 20:41:14 +00:00
Code Issues Packages Projects Releases Wiki Activity

feat(heap): add a MALLOC_CAP_SIMD flag

Browse Source 
MALLOC_CAP_SIMD can be used to allocate memory to be used for SIMD instructions
This commit is contained in:
Song Ruo Jing
2024-12-06 11:39:57 +08:00
parent 4d11fe5847
commit 20eb6ca5e9
12 changed files with 70 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
components/heap/port/esp32s3/memory_layout.c
View File

@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2019-2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2019-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -49,19 +49,21 @@ enum {
#define MALLOC_RTCRAM_BASE_CAPS ESP32S3_MEM_COMMON_CAPS | MALLOC_CAP_INTERNAL | MALLOC_CAP_EXEC
#endif
// The memory used for SIMD instructions requires the bus of its memory regions be able to transfer the data in 128-bit
/**
* Defined the attributes and allocation priority of each memory on the chip,
* The heap allocator will traverse all types of memory types in column High Priority Matching and match the specified caps at first,
* if no memory caps matched or the allocation is failed, it will go to columns Medium Priorty Matching and Low Priority Matching
* if no memory caps matched or the allocation is failed, it will go to columns Medium Priority Matching and Low Priority Matching
* in turn to continue matching.
*/
const soc_memory_type_desc_t soc_memory_types[SOC_MEMORY_TYPE_NUM] = {
/* Mem Type Name | High Priority Matching | Medium Priorty Matching | Low Priority Matching */
[SOC_MEMORY_TYPE_DIRAM] = { "RAM", { MALLOC_DIRAM_BASE_CAPS, 0, 0 }},
[SOC_MEMORY_TYPE_DRAM] = { "DRAM", { 0, ESP32S3_MEM_COMMON_CAPS | MALLOC_CAP_INTERNAL | MALLOC_CAP_DMA, 0 }},
[SOC_MEMORY_TYPE_IRAM] = { "IRAM", { MALLOC_CAP_EXEC, MALLOC_CAP_32BIT | MALLOC_CAP_INTERNAL, 0 }},
[SOC_MEMORY_TYPE_SPIRAM] = { "SPIRAM", { MALLOC_CAP_SPIRAM, ESP32S3_MEM_COMMON_CAPS, 0 }},
[SOC_MEMORY_TYPE_RTCRAM] = { "RTCRAM", { MALLOC_CAP_RTCRAM, 0, MALLOC_RTCRAM_BASE_CAPS }},
/* Mem Type Name | High Priority Matching | Medium Priority Matching | Low Priority Matching */
[SOC_MEMORY_TYPE_DIRAM] = { "RAM", { MALLOC_DIRAM_BASE_CAPS | MALLOC_CAP_SIMD, 0, 0 }},
[SOC_MEMORY_TYPE_DRAM] = { "DRAM", { 0, ESP32S3_MEM_COMMON_CAPS | MALLOC_CAP_INTERNAL | MALLOC_CAP_DMA | MALLOC_CAP_SIMD, 0 }},
[SOC_MEMORY_TYPE_IRAM] = { "IRAM", { MALLOC_CAP_EXEC, MALLOC_CAP_32BIT | MALLOC_CAP_INTERNAL, 0 }},
[SOC_MEMORY_TYPE_SPIRAM] = { "SPIRAM", { MALLOC_CAP_SPIRAM, 0, ESP32S3_MEM_COMMON_CAPS | MALLOC_CAP_SIMD }},
[SOC_MEMORY_TYPE_RTCRAM] = { "RTCRAM", { MALLOC_CAP_RTCRAM, 0, MALLOC_RTCRAM_BASE_CAPS }},
};
const size_t soc_memory_type_count = sizeof(soc_memory_types) / sizeof(soc_memory_type_desc_t);