/* * SPDX-FileCopyrightText: 2025 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ #include #include "esp32c5/rom/cache.h" /** * @brief Dummy implementation of Cache_Set_IDROM_MMU_Size from ROM. * * NOTE: This ROM-provided API is intended to configure the Cache MMU size for * instruction (irom) and rodata (drom) sections in flash. * * On ESP32-C5, it also sets the start pages for flash irom and drom sections, * which involves accessing MMU registers directly. However, these MMU registers * are protected by the APM and direct access from the REE results in a fault. * * To prevent this: * - Mark this symbol with the `PROVIDE` attribute in the ROM linker script. * - Define this dummy function as a stub implementation. * - Wrap this function to be routed as a TEE service call * * @param irom_size Size of the instruction ROM region. * @param drom_size Size of the data ROM region. */ void Cache_Set_IDROM_MMU_Size(uint32_t irom_size, uint32_t drom_size) { (void)irom_size; (void)drom_size; }