diff options
Diffstat (limited to 'bsps/include/grlib/irqamp.h')
-rw-r--r-- | bsps/include/grlib/irqamp.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/bsps/include/grlib/irqamp.h b/bsps/include/grlib/irqamp.h new file mode 100644 index 0000000000..dd7c5235f0 --- /dev/null +++ b/bsps/include/grlib/irqamp.h @@ -0,0 +1,101 @@ +/* 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 */ |