97 lines
3.6 KiB
C
97 lines
3.6 KiB
C
/*
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Copyright (c) 2012, Broadcom Europe Ltd
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All rights reserved.
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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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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the copyright holder nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*=============================================================================
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VideoCore OS Abstraction Layer - common postamble code
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=============================================================================*/
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/** \file
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*
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* Postamble code included by the platform-specific header files
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*/
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#define VCOS_THREAD_PRI_DEFAULT VCOS_THREAD_PRI_NORMAL
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#if !defined(VCOS_THREAD_PRI_INCREASE)
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#error Which way to thread priorities go?
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#endif
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#if VCOS_THREAD_PRI_INCREASE < 0
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/* smaller numbers are higher priority */
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#define VCOS_THREAD_PRI_LESS(x) ((x)<VCOS_THREAD_PRI_MAX?(x)+1:VCOS_THREAD_PRI_MAX)
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#define VCOS_THREAD_PRI_MORE(x) ((x)>VCOS_THREAD_PRI_MIN?(x)-1:VCOS_THREAD_PRI_MIN)
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#else
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/* bigger numbers are lower priority */
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#define VCOS_THREAD_PRI_MORE(x) ((x)<VCOS_THREAD_PRI_MAX?(x)+1:VCOS_THREAD_PRI_MAX)
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#define VCOS_THREAD_PRI_LESS(x) ((x)>VCOS_THREAD_PRI_MIN?(x)-1:VCOS_THREAD_PRI_MIN)
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#endif
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/* Convenience for Brits: */
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#define VCOS_APPLICATION_INITIALISE VCOS_APPLICATION_INITIALIZE
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/*
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* Check for constant definitions
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*/
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#ifndef VCOS_TICKS_PER_SECOND
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#error VCOS_TICKS_PER_SECOND not defined
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#endif
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#if !defined(VCOS_THREAD_PRI_MIN) || !defined(VCOS_THREAD_PRI_MAX)
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#error Priority range not defined
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#endif
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#if !defined(VCOS_THREAD_PRI_HIGHEST) || !defined(VCOS_THREAD_PRI_LOWEST) || !defined(VCOS_THREAD_PRI_NORMAL)
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#error Priority ordering not defined
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#endif
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#if !defined(VCOS_CAN_SET_STACK_ADDR)
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#error Can stack addresses be set on this platform? Please set this macro to either 0 or 1.
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#endif
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#if (_VCOS_AFFINITY_CPU0|_VCOS_AFFINITY_CPU1) & (~_VCOS_AFFINITY_MASK)
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#error _VCOS_AFFINITY_CPUxxx values are not consistent with _VCOS_AFFINITY_MASK
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#endif
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/** Append to the end of a singly-linked queue, O(1). Works with
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* any structure where list has members 'head' and 'tail' and
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* item has a 'next' pointer.
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*/
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#define VCOS_QUEUE_APPEND_TAIL(list, item) {\
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(item)->next = NULL;\
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if (!(list)->head) {\
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(list)->head = (list)->tail = (item); \
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} else {\
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(list)->tail->next = (item); \
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(list)->tail = (item); \
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} \
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}
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#ifndef VCOS_HAVE_TIMER
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VCOSPRE_ void VCOSPOST_ vcos_timer_init(void);
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#endif
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