esp-idf/components/soc/include/hal/cpu_hal.h
2020-02-27 07:15:15 +05:00

114 lines
3.0 KiB
C

// Copyright 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 <stdint.h>
#include <stdbool.h>
#include "esp_err.h"
#include "hal/cpu_types.h"
#include "hal/cpu_ll.h"
#include "soc/cpu_caps.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* Return the ID of the core currently executing this code.
*
* @return core id [0..SOC_CPU_CORES_NUM - 1]
*/
#define cpu_hal_get_core_id() cpu_ll_get_core_id()
/**
* Get the current value of the stack pointer.
*
* @return the current stack pointer
*/
#define cpu_hal_get_sp() cpu_ll_get_sp()
/**
* Get the current value of the internal counter that increments
* every processor-clock cycle.
*
* @return cycle count; returns 0 if not supported
*/
#define cpu_hal_get_cycle_count() cpu_ll_get_cycle_count()
/**
* Check if some form of debugger is attached to CPU.
*
* @return true debugger is attached
* @return false no debugger is attached/ no support for debuggers
*/
#define cpu_hal_is_debugger_attached() cpu_ll_is_debugger_attached()
/**
* Init HW loop status.
*/
#define cpu_hal_init_hwloop() cpu_ll_init_hwloop()
/**
* Trigger a call to debugger.
*/
#define cpu_hal_break() cpu_ll_break()
#if SOC_CPU_BREAKPOINTS_NUM > 0
/**
* Set and enable breakpoint at an instruction address.
*
* @note Overwrites previously set breakpoint with same breakpoint ID.
*
* @param id breakpoint to set [0..SOC_CPU_BREAKPOINTS_NUM - 1]
* @param addr address to set a breakpoint on
*/
void cpu_hal_set_breakpoint(int id, const void* addr);
/**
* Clear and disable breakpoint.
*
* @param id breakpoint to clear [0..SOC_CPU_BREAKPOINTS_NUM - 1]
*/
void cpu_hal_clear_breakpoint(int id);
#endif // SOC_CPU_BREAKPOINTS_NUM > 0
#if SOC_CPU_WATCHPOINTS_NUM > 0
/**
* Set and enable a watchpoint, specifying the memory range and trigger operation.
*
* @param id watchpoint to set [0..SOC_CPU_WATCHPOINTS_NUM - 1]
* @param addr starting address
* @param size number of bytes from starting address to watch
* @param trigger operation on specified memory range that triggers the watchpoint (read, write, read/write)
*/
void cpu_hal_set_watchpoint(int id, const void* addr, size_t size, watchpoint_trigger_t trigger);
/**
* Clear and disable watchpoint.
*
* @param id watchpoint to clear [0..SOC_CPU_WATCHPOINTS_NUM - 1]
*/
void cpu_hal_clear_watchpoint(int id);
#endif // SOC_CPU_WATCHPOINTS_NUM > 0
#ifdef __cplusplus
}
#endif