hw/misc: implement ESP32-C3 AES

Co-authored-by: Harshal Patil <harshal.patil@espressif.com>

hw/misc/esp32c3_aes.c

@@ -0,0 +1,25 @@
+/*
+ * ESP32C3 AES emulation
+ *
+ * Copyright (c) 2023 Espressif Systems (Shanghai) Co. Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 or
+ * (at your option) any later version.
+ */
+#include "qemu/osdep.h"
+#include "hw/misc/esp32c3_aes.h"
+
+static const TypeInfo esp32c3_aes_info = {
+        .name = TYPE_ESP32C3_AES,
+        .parent = TYPE_ESP_AES,
+        .instance_size = sizeof(ESP32C3AesState),
+        .class_size = sizeof(ESP32C3AesClass)
+};
+
+static void esp32c3_aes_register_types(void)
+{
+    type_register_static(&esp32c3_aes_info);
+}
+
+type_init(esp32c3_aes_register_types)

hw/misc/meson.build

@@ -161,6 +161,10 @@ if gcrypt.found()
   system_ss.add(when: [gcrypt, 'CONFIG_XTENSA_ESP32'], if_true: files(
     'esp32_rsa.c',
   ))
+  system_ss.add(when: [gcrypt, 'CONFIG_RISCV_ESP32C3'], if_true: files(
+    'esp_aes.c',
+    'esp32c3_aes.c',
+  ))
 endif
 
 system_ss.add(when: 'CONFIG_GRLIB', if_true: files('grlib_ahb_apb_pnp.c'))

include/hw/misc/esp32c3_aes.h

@@ -0,0 +1,27 @@
+/*
+ * ESP32-C3 AES emulation
+ *
+ * Copyright (c) 2023 Espressif Systems (Shanghai) Co. Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 or
+ * (at your option) any later version.
+ */
+#pragma once
+
+#include "hw/misc/esp_aes.h"
+
+#define TYPE_ESP32C3_AES "misc.esp32c3.aes"
+#define ESP32C3_AES(obj) OBJECT_CHECK(ESP32C3AesState, (obj), TYPE_ESP32C3_AES)
+
+#define ESP32C3_AES_GET_CLASS(obj) OBJECT_GET_CLASS(ESP32C3AesClass, obj, TYPE_ESP32C3_AES)
+#define ESP32C3_AES_CLASS(klass) OBJECT_CLASS_CHECK(ESP32C3AesClass, klass, TYPE_ESP32C3_AES)
+
+typedef struct ESP32C3AesState {
+    ESPAesState parent;
+} ESP32C3AesState;
+
+
+typedef struct ESP32C3AesClass {
+    ESPAesClass parent_class;
+} ESP32C3AesClass;