103 lines
3.1 KiB
C
103 lines
3.1 KiB
C
/* architecture-independent private nanokernel APIs */
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/*
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* Copyright (c) 2010-2012, 2014-2015 Wind River Systems, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1) Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2) Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3) Neither the name of Wind River Systems nor the names of its contributors
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* may be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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DESCRIPTION
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This file contains private nanokernel APIs that are not architecture-specific.
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*/
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#ifndef _NANO_INTERNAL__H_
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#define _NANO_INTERNAL__H_
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#ifndef _ASMLANGUAGE
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* helper type alias for context control structure */
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typedef struct ccs tCCS;
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/* context entry point declarations */
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typedef void *_ContextArg;
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typedef void (*_ContextEntry)(_ContextArg arg1,
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_ContextArg arg2,
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_ContextArg arg3);
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extern void _context_entry(_ContextEntry,
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_ContextArg,
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_ContextArg,
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_ContextArg);
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extern void _NewContext(char *pStack, unsigned stackSize,
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_ContextEntry pEntry, _ContextArg arg1,
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_ContextArg arg2, _ContextArg arg3,
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int prio, unsigned options);
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/* context switching and scheduling-related routines */
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extern void _nano_fiber_schedule(tCCS *ccs);
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extern void _nano_fiber_swap(void);
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extern unsigned int _Swap(unsigned int);
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/* set and clear essential fiber/task flag */
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extern void _context_essential_set(void);
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extern void _context_essential_clear(void);
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/* clean up when a context is aborted */
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#if defined(CONFIG_CONTEXT_MONITOR)
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extern void _context_exit(tCCS *ccs);
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#else
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#define _context_exit(ccs) \
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do {/* nothing */ \
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} while (0)
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#endif /* CONFIG_CONTEXT_MONITOR */
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/* special nanokernel object APIs */
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struct nano_lifo;
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extern void *_nano_fiber_lifo_get_panic(struct nano_lifo *lifo);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _ASMLANGUAGE */
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#endif /* _NANO_INTERNAL__H_ */
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