From 513c202db9a7ef0d5eaf70475d4f5ed4ae17876d Mon Sep 17 00:00:00 2001
From: Mahavir Jain <mahavir@espressif.com>
Date: Fri, 28 Jun 2024 15:56:05 +0530
Subject: [PATCH] fix(hal): remove AES LL layer for ESP32-C2 (not supported)

---
 components/hal/esp32c2/include/hal/aes_ll.h | 191 --------------------
 1 file changed, 191 deletions(-)
 delete mode 100644 components/hal/esp32c2/include/hal/aes_ll.h

diff --git a/components/hal/esp32c2/include/hal/aes_ll.h b/components/hal/esp32c2/include/hal/aes_ll.h
deleted file mode 100644
index 2a38421e1b..0000000000
--- a/components/hal/esp32c2/include/hal/aes_ll.h
+++ /dev/null
@@ -1,191 +0,0 @@
-/*
- * SPDX-FileCopyrightText: 2020-2022 Espressif Systems (Shanghai) CO LTD
- *
- * SPDX-License-Identifier: Apache-2.0
- */
-
-
-/***************************************************************
- *
- * This file needs to be removed. Left here just for passing build
- * TODO // TODO: IDF-3844
- ***************************************************************/
-#pragma once
-
-#include <stdbool.h>
-#include "soc/hwcrypto_reg.h"
-#include "hal/aes_types.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/**
- * @brief State of AES accelerator, busy, idle or done
- *
- */
-typedef enum {
-    ESP_AES_STATE_IDLE = 0, /* AES accelerator is idle */
-    ESP_AES_STATE_BUSY,     /* Transform in progress */
-    ESP_AES_STATE_DONE,     /* Transform completed */
-} esp_aes_state_t;
-
-
-/**
- * @brief Write the encryption/decryption key to hardware
- *
- * @param key Key to be written to the AES hardware
- * @param key_word_len Number of words in the key
- *
- * @return volatile number of bytes written to hardware, used for fault injection check
- */
-static inline uint8_t aes_ll_write_key(const uint8_t *key, size_t key_word_len)
-{
-    abort(); // TODO: IDF-3844
-}
-
-/**
- * @brief Sets the mode
- *
- * @param mode ESP_AES_ENCRYPT = 1, or ESP_AES_DECRYPT = 0
- * @param key_bytes Number of bytes in the key
- */
-static inline void aes_ll_set_mode(int mode, uint8_t key_bytes)
-{
-    abort(); // TODO: IDF-3844
-}
-
-/**
- * @brief Writes message block to AES hardware
- *
- * @param input Block to be written
- */
-static inline void aes_ll_write_block(const void *input)
-{
-    abort(); // TODO: IDF-3844
-}
-
-/**
- * @brief Read the AES block
- *
- * @param output the output of the transform, length = AES_BLOCK_BYTES
- */
-static inline void aes_ll_read_block(void *output)
-{
-    abort(); // TODO: IDF-3844
-}
-
-/**
- * @brief Starts block transform
- *
- */
-static inline void aes_ll_start_transform(void)
-{
-    abort(); // TODO: IDF-3844
-}
-
-
-/**
- * @brief Read state of AES accelerator
- *
- * @return esp_aes_state_t
- */
-static inline esp_aes_state_t aes_ll_get_state(void)
-{
-    abort(); // TODO: IDF-3844
-}
-
-
-/**
- * @brief Set mode of operation
- *
- * @note Only used for DMA transforms
- *
- * @param mode
- */
-static inline void aes_ll_set_block_mode(esp_aes_mode_t mode)
-{
-    abort(); // TODO: IDF-3844
-}
-
-/**
- * @brief Set AES-CTR counter to INC32
- *
- * @note Only affects AES-CTR mode
- *
- */
-static inline void aes_ll_set_inc(void)
-{
-    abort(); // TODO: IDF-3844
-}
-
-/**
- * @brief Release the DMA
- *
- */
-static inline void aes_ll_dma_exit(void)
-{
-    abort(); // TODO: IDF-3844
-}
-
-/**
- * @brief Sets the number of blocks to be transformed
- *
- * @note Only used for DMA transforms
- *
- * @param num_blocks Number of blocks to transform
- */
-static inline void aes_ll_set_num_blocks(size_t num_blocks)
-{
-    abort(); // TODO: IDF-3844
-}
-
-/*
- * Write IV to hardware iv registers
- */
-static inline void aes_ll_set_iv(const uint8_t *iv)
-{
-    abort(); // TODO: IDF-3844
-}
-
-/*
- * Read IV from hardware iv registers
- */
-static inline void aes_ll_read_iv(uint8_t *iv)
-{
-    abort(); // TODO: IDF-3844
-}
-
-/**
- * @brief Enable or disable DMA mode
- *
- * @param enable true to enable, false to disable.
- */
-static inline void aes_ll_dma_enable(bool enable)
-{
-    abort(); // TODO: IDF-3844
-}
-
-/**
- * @brief Enable or disable transform completed interrupt
- *
- * @param enable true to enable, false to disable.
- */
-static inline void aes_ll_interrupt_enable(bool enable)
-{
-    abort(); // TODO: IDF-3844
-}
-
-/**
- * @brief Clears the interrupt
- *
- */
-static inline void aes_ll_interrupt_clear(void)
-{
-    abort(); // TODO: IDF-3844
-}
-
-
-#ifdef __cplusplus
-}
-#endif