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zephyr/kernel/nanokernel/core/idle.c

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First commit Signed-off-by: <inaky.perez-gonzalez@intel.com>
2015-04-11 07:44:37 +08:00
/* idle.c - VxMicro idle support for IA-32 architecture */
/*
* Copyright (c) 2011-2014 Wind River Systems, Inc.
*
* 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.
*
* 3) Neither the name of Wind River Systems nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* 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 HOLDER 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.
*/
/*
DESCRIPTION
This module provides routines to set the idle field in the nanokernel
data structure.
*/
#ifdef CONFIG_ADVANCED_POWER_MANAGEMENT
#include <nanokernel.h>
#include <nanok.h>
#include <toolchain.h>
#include <sections.h>
/*******************************************************************************
*
Renaming nanoCpuSetIdle to nano_cpu_set_idle Updating nano kernel functions to follow a consistent naming convention. Part of that process is the removal of camelCase naming conventions for the preferred_underscore_method. Changing with the following script: #!/bin/bash echo "Searching for ${1} to replace with ${2}" find . -type f \( -iname \*.c -o -iname \*.h -o -iname \*.s \) \ -not \( -path host/src/genIdt -prune \) \ \ -not \( -path host/src/gen_tables -prune \) \ -print | xargs sed -i "s/"${1}"/"${2}"/g" Signed-off-by: Dan Kalowsky <daniel.kalowsky@intel.com>
2015-04-17 03:25:10 +08:00
* nano_cpu_set_idle - indicate that nanokernel is idling in tickless mode
First commit Signed-off-by: <inaky.perez-gonzalez@intel.com>
2015-04-11 07:44:37 +08:00
*
* Sets the nanokernel data structure idle field to a non-zero value.
*
* RETURNS: N/A
*
* \NOMANUAL
*/
Renaming nanoCpuSetIdle to nano_cpu_set_idle Updating nano kernel functions to follow a consistent naming convention. Part of that process is the removal of camelCase naming conventions for the preferred_underscore_method. Changing with the following script: #!/bin/bash echo "Searching for ${1} to replace with ${2}" find . -type f \( -iname \*.c -o -iname \*.h -o -iname \*.s \) \ -not \( -path host/src/genIdt -prune \) \ \ -not \( -path host/src/gen_tables -prune \) \ -print | xargs sed -i "s/"${1}"/"${2}"/g" Signed-off-by: Dan Kalowsky <daniel.kalowsky@intel.com>
2015-04-17 03:25:10 +08:00
void nano_cpu_set_idle(int32_t ticks)
First commit Signed-off-by: <inaky.perez-gonzalez@intel.com>
2015-04-11 07:44:37 +08:00
{
extern tNANO _NanoKernel;
_NanoKernel.idle = ticks;
}
#endif /* CONFIG_ADVANCED_POWER_MANAGEMENT */