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/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup RTEMSDeviceGRLIBIRQAMP
*
* @brief This header file defines the IRQ(A)MP interface.
*/
/*
* Copyright (C) 2021 embedded brains GmbH & Co. KG
*
* 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.
*/
/*
* This file is part of the RTEMS quality process and was automatically
* generated. If you find something that needs to be fixed or
* worded better please post a report or patch to an RTEMS mailing list
* or raise a bug report:
*
* https://www.rtems.org/bugs.html
*
* For information on updating and regenerating please refer to the How-To
* section in the Software Requirements Engineering chapter of the
* RTEMS Software Engineering manual. The manual is provided as a part of
* a release. For development sources please refer to the online
* documentation at:
*
* https://docs.rtems.org
*/
/* Generated from spec:/dev/grlib/if/irqamp-header-2 */
#ifndef _GRLIB_IRQAMP_H
#define _GRLIB_IRQAMP_H
#include <stddef.h>
#include <grlib/io.h>
#include <grlib/irqamp-regs.h>
#ifdef __cplusplus
extern "C" {
#endif
/* Generated from spec:/dev/grlib/if/irqamp-get-timestamp */
/**
* @ingroup RTEMSDeviceGRLIBIRQAMP
*
* @brief Gets the interrupt timestamping register bock.
*
* @param irqamp_regs is the IRQ(A)MP register block.
*
* @retval NULL The IRQ(A)MP does not support the interrupt timestamping
* feature.
*
* @return Returns the interrupt timestamping register block.
*/
static inline irqamp_timestamp *irqamp_get_timestamp_registers(
irqamp *irqamp_regs
)
{
irqamp_timestamp *timestamp_regs;
uint32_t itstmpc;
timestamp_regs = &irqamp_regs->itstmp[ 0 ];
itstmpc = grlib_load_32( ×tamp_regs->itstmpc );
if ( IRQAMP_ITSTMPC_TSTAMP_GET( itstmpc ) == 0 ) {
return NULL;
}
return timestamp_regs;
}
#ifdef __cplusplus
}
#endif
#endif /* _GRLIB_IRQAMP_H */
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