// Copyright 2010-2020 Espressif Systems (Shanghai) PTE LTD // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. #pragma once #include #include #include #include "esp_err.h" #include "soc/soc.h" #include "ulp_common.h" /** * @brief Run the program loaded into RTC memory * @return ESP_OK on success */ esp_err_t ulp_riscv_run(void); /** * @brief Load ULP-RISC-V program binary into RTC memory * * Different than ULP FSM, the binary program has no special format, it is the ELF * file generated by RISC-V toolchain converted to binary format using objcopy. * * Linker script in components/ulp/ld/esp32s2.ulp.riscv.ld produces ELF files which * correspond to this format. This linker script produces binaries with load_addr == 0. * * @param program_binary pointer to program binary * @param program_size_bytes size of the program binary * @return * - ESP_OK on success * - ESP_ERR_INVALID_SIZE if program_size_bytes is more than 8KiB */ esp_err_t ulp_riscv_load_binary(const uint8_t* program_binary, size_t program_size_bytes);