chtypes.h

Go to the documentation of this file.

/*
    ChibiOS - Copyright (C) 2006-2026 Giovanni Di Sirio.
 
    This file is part of ChibiOS.
 
    ChibiOS 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 version 3 of the License.
 
    ChibiOS 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.  If not, see <http://www.gnu.org/licenses/>.
*/
 
/**
 * @file    templates/chtypes.h
 * @brief   Template port system types.
 *
 * @addtogroup port_types
 * @{
 */
 
#ifndef CHTYPES_H
#define CHTYPES_H
 
#include <stddef.h>
#include <stdint.h>
#include <stdbool.h>
 
#include "ccportab.h"
 
/**
 * @name    Architecture data constraints
 * @{
 */
#define PORT_ARCH_SIZEOF_DATA_PTR   4
#define PORT_ARCH_SIZEOF_CODE_PTR   4
#define PORT_ARCH_REGISTERS_WIDTH   32
#define PORT_ARCH_REVERSE_ORDER     1
/** @} */
 
/**
 * @name    Port types
 * @{
 */
/**
 * @brief   Realtime counter.
 */
typedef uint32_t            port_rtcnt_t;
 
/**
 * @brief   Realtime accumulator.
 */
typedef uint64_t            port_rttime_t;
 
/**
 * @brief   System status word.
 */
typedef uint32_t            port_syssts_t;
 
/**
 * @brief   Type of stack and memory alignment enforcement.
 * @note    In this architecture the stack alignment is enforced to 64 bits,
 *          32 bits alignment is supported by hardware but deprecated by ARM,
 *          the implementation choice is to not offer the option.
 */
typedef uint64_t            port_stkalign_t;
/** @} */
 
/**
 * @brief   This port does not define OS-related types.
 */
#define PORT_DOES_NOT_PROVIDE_TYPES
 
/**
 * @brief   ROM constant modifier.
 * @note    It is set to use the "const" keyword in this port.
 */
#define ROMCONST            CC_ROMCONST
 
/**
 * @brief   Makes functions not inlineable.
 * @note    If the compiler does not support such attribute then some
 *          time-dependent services could be degraded.
 */
#define NOINLINE            CC_NO_INLINE
 
/**
 * @brief   Memory alignment enforcement for variables.
 */
#define ALIGNED_VAR(n)      CC_ALIGN_DATA(n)
 
/**
 * @brief   Size of a pointer.
 * @note    To be used where the sizeof operator cannot be used, preprocessor
 *          expressions for example.
 */
#define SIZEOF_PTR          PORT_ARCH_SIZEOF_DATA_PTR
 
#endif /* CHTYPES_H */
 
/** @} */