Martin Vychodil 7491ea677a esp32s2: IRAM/DRAM memory protection
* new mem_prot API
* mem_prot on & locked by default (see Kconfig)
* feature activated in start_cpu0_default()

JIRA IDF-1355
2020-04-21 15:10:58 +02:00

41 lines
1.2 KiB
C

// Copyright 2015-2017 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.
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief initialize cache invalid access interrupt
*
* This function enables cache invalid access interrupt source and connects it
* to interrupt input number ETS_MEMACCESS_ERR_INUM (see soc/soc.h). It is called
* from the startup code.
*/
void esp_cache_err_int_init(void);
/**
* @brief get the CPU which caused cache invalid access interrupt
* @return
* - PRO_CPU_NUM, if PRO_CPU has caused cache IA interrupt
* - APP_CPU_NUM, if APP_CPU has caused cache IA interrupt
* - (-1) otherwise
*/
int esp_cache_err_get_cpuid(void);
#ifdef __cplusplus
}
#endif