mirror of
https://github.com/RIOT-OS/RIOT.git
synced 2024-12-29 04:50:03 +01:00
8cc0199437
Our AVR port doesn't make use of an ISR stack and just victimizes the stack of whatever thread happens to be running, which in most cases is the idle thread. Hence, the idle stack has to be large enough to support the ztimer ISR.
86 lines
2.2 KiB
C
86 lines
2.2 KiB
C
/*
|
|
* Copyright (C) 2014 Freie Universität Berlin, Hinnerk van Bruinehsen
|
|
* 2017 RWTH Aachen, Josua Arndt
|
|
* 2018 Matthew Blue
|
|
*
|
|
* This file is subject to the terms and conditions of the GNU Lesser
|
|
* General Public License v2.1. See the file LICENSE in the top level
|
|
* directory for more details.
|
|
*/
|
|
|
|
/**
|
|
* @ingroup cpu_atmega_common
|
|
* @{
|
|
*
|
|
* @file
|
|
* @brief Implementation specific CPU configuration options
|
|
*
|
|
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
|
|
* @author Hinnerk van Bruinehsen <h.v.bruinehsen@fu-berlin.de>
|
|
* @author Josua Arndt <jarndt@ias.rwth-aachen.de>
|
|
* @author Steffen Robertz <steffen.robertz@rwth-aachen.de>
|
|
* @author Matthew Blue <matthew.blue.neuro@gmail.com>
|
|
*/
|
|
|
|
#ifndef CPU_CONF_H
|
|
#define CPU_CONF_H
|
|
|
|
#include "atmega_regs_common.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#define THREAD_EXTRA_STACKSIZE_PRINTF (128)
|
|
|
|
/**
|
|
* @name Kernel configuration
|
|
*
|
|
* Since printf seems to get memory allocated by the
|
|
* linker/avr-libc the stack size tested successfully
|
|
* even with pretty small stacks.
|
|
* @{
|
|
*/
|
|
#ifndef THREAD_STACKSIZE_DEFAULT
|
|
#define THREAD_STACKSIZE_DEFAULT (512)
|
|
#endif
|
|
|
|
/* keep THREAD_STACKSIZE_IDLE > THREAD_EXTRA_STACKSIZE_PRINTF
|
|
* to avoid not printing of debug in interrupts
|
|
*/
|
|
#ifndef THREAD_STACKSIZE_IDLE
|
|
#if MODULE_XTIMER || MODULE_ZTIMER || MODULE_ZTIMER64
|
|
/* For AVR no ISR stack is used, hence an IRQ will victimize the stack of
|
|
* whatever thread happens to be running with the IRQ kicks in. If more than
|
|
* trivial stuff is needed to be done in ISRs (e.g. when soft timers are used),
|
|
* the idle stack will overflow.
|
|
*/
|
|
#define THREAD_STACKSIZE_IDLE (192)
|
|
#else
|
|
#define THREAD_STACKSIZE_IDLE (128)
|
|
#endif
|
|
#endif
|
|
/** @} */
|
|
|
|
/**
|
|
* @brief Attribute for memory sections required by SRAM PUF
|
|
*/
|
|
#define PUF_SRAM_ATTRIBUTES __attribute__((used, section(".noinit")))
|
|
|
|
/**
|
|
* @brief Declare the heap_stats function as available
|
|
*/
|
|
#define HAVE_HEAP_STATS
|
|
|
|
/**
|
|
* @brief This arch uses the inlined IRQ API.
|
|
*/
|
|
#define IRQ_API_INLINED (1)
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* CPU_CONF_H */
|
|
/** @} */
|