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/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup RTEMSImplClassicIO
*
* @brief This header file provides interfaces used by the I/O Manager
* implementation.
*/
/*
* COPYRIGHT (c) 1989-2008.
* On-Line Applications Research Corporation (OAR).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _RTEMS_IOIMPL_H
#define _RTEMS_IOIMPL_H
#include <rtems/io.h>
#include <rtems/score/isrlock.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/**
* @defgroup RTEMSImplClassicIO I/O Manager
*
* @ingroup RTEMSImplClassic
*
* @brief This group contains the I/O Manager implementation.
*
* @{
*/
extern const size_t _IO_Number_of_drivers;
extern rtems_driver_address_table _IO_Driver_address_table[];
extern bool _IO_All_drivers_initialized;
/**
* @brief Initialization of all device drivers.
*
* Initializes all device drivers.
*/
void _IO_Initialize_all_drivers( void );
ISR_LOCK_DECLARE( extern, _IO_Driver_registration_lock )
RTEMS_INLINE_ROUTINE void _IO_Driver_registration_acquire(
ISR_lock_Context *lock_context
)
{
_ISR_lock_ISR_disable_and_acquire(
&_IO_Driver_registration_lock,
lock_context
);
}
RTEMS_INLINE_ROUTINE void _IO_Driver_registration_release(
ISR_lock_Context *lock_context
)
{
_ISR_lock_Release_and_ISR_enable(
&_IO_Driver_registration_lock,
lock_context
);
}
/** @} */
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* _RTEMS_IOIMPL_H */
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