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feat(esp_psram): Add some helper APIs to get usable PSRAM memory size

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harshal.patil
2025-02-20 16:18:20 +05:30
parent b62c2cef1b
commit fac460f89e
4 changed files with 66 additions and 28 deletions
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18
components/esp_psram/include/esp_private/mmu_psram_flash.h
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2021-2024 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2021-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -39,6 +39,14 @@ extern "C" {
Part 1 APIs (See @Backgrounds on top of this file)
-------------------------------------------------------------------------------*/
#if CONFIG_SPIRAM_FETCH_INSTRUCTIONS
/**
* @brief Calculates the size of memory that would be used for copying flash texts into PSRAM (in bytes)
*
* @return size_t size of memory that would be used for copying flash texts into PSRAM (in bytes)
*/
size_t mmu_psram_get_text_segment_length(void);
/**
* @brief Copy Flash texts to PSRAM
*
@@ -50,6 +58,14 @@ esp_err_t mmu_config_psram_text_segment(uint32_t start_page, uint32_t psram_size
#endif //#if CONFIG_SPIRAM_FETCH_INSTRUCTIONS
#if CONFIG_SPIRAM_RODATA
/**
* @brief Calculates the size of memory that would be used for copying flash rodata into PSRAM (in bytes)
*
* @return size_t size of memory that would be used for copying flash rodata into PSRAM (in bytes)
*/
size_t mmu_psram_get_rodata_segment_length(void);
/**
* @brief Copy Flash rodata to PSRAM
*