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https://github.com/zephyrproject-rtos/zephyr
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642349287b
Moves all files in this sub-directory up one level, to the main microkernel source directory, then deletes the sub-directory itself. Change-Id: Ifd56369e5209b06fae39ee69403ea234fb392b4a Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
66 lines
2.3 KiB
C
66 lines
2.3 KiB
C
/* ticks.c */
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/*
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* Copyright (c) 1997-2010, 2013-2014 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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#include <microkernel/k_struct.h>
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#include <minik.h>
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#include <kticks.h> /* WL and timeslice stuff */
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#include <ktask.h> /* _k_task_yield */
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#include <microkernel/ticks.h>
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#include <nanokernel/cpu.h>
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#include <toolchain.h>
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#include <sections.h>
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K_TIMER *_k_timer_list_head = NULL;
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K_TIMER *_k_timer_list_tail = NULL;
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int64_t _k_sys_clock_tick_count = 0;
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/* these two access routines can be removed if atomic operators are
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* functional on all platforms */
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void _LowTimeInc(int inc)
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{
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int key = irq_lock_inline();
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_k_sys_clock_tick_count += inc;
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irq_unlock_inline(key);
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}
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int64_t _LowTimeGet(void)
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{
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int64_t ticks;
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int key = irq_lock_inline();
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ticks = _k_sys_clock_tick_count;
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irq_unlock_inline(key);
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return ticks;
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}
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