portapack-mayhem/firmware/baseband/debug.hpp
2023-03-18 23:19:23 +01:00

47 lines
1.6 KiB
C++

/*
* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
*
* This file is part of PortaPack.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef __DEBUG_H__
#define __DEBUG_H__
#include <ch.h>
extern uint32_t __process_stack_base__;
extern uint32_t __process_stack_end__;
#define CRT0_STACKS_FILL_PATTERN 0x55555555
inline uint32_t get_free_stack_space(){
uint32_t *p;
for (p = &__process_stack_base__; *p == CRT0_STACKS_FILL_PATTERN && p < &__process_stack_end__; p++);
auto stack_space_left = p - &__process_stack_base__;
return stack_space_left;
}
#define HALT_IF_DEBUGGING() \
do { \
if ((*(volatile uint32_t *)0xE000EDF0) & (1 << 0)) { \
__asm__ __volatile__("bkpt 1"); \
} \
} while (0)
#endif/*__DEBUG_H__*/