esp-idf/components/esp32c3/cache_err_int.c

// Copyright 2015-2020 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.

/*
 The cache has an interrupt that can be raised as soon as an access to a cached
 region (flash) is done without the cache being enabled. We use that here
 to panic the CPU, which from a debugging perspective is better than grabbing bad
 data from the bus.
*/

#include <stdint.h>
#include "sdkconfig.h"
#include "esp_attr.h"

// TODO ESP32-C3 IDF-2450
void esp_cache_err_int_init(void)
{
}

int IRAM_ATTR esp_cache_err_get_cpuid(void)
{
    return 0;
}