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Added rtems unique version of uio_yield()

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This commit is contained in:
Jennifer Averett 2012-04-17 13:59:34 -05:00
parent 785af865d1
commit 67b8f0a668
3 changed files with 81 additions and 0 deletions
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1
Makefile
View File

@ -55,6 +55,7 @@ C_FILES += rtemsbsd/src/rtems-bsd-taskqueue.c
C_FILES += rtemsbsd/src/rtems-bsd-timesupport.c
C_FILES += rtemsbsd/src/rtems-bsd-newproc.c
C_FILES += rtemsbsd/src/rtems-bsd-vm_glue.c
C_FILES += rtemsbsd/src/rtems-bsd-subr.c
C_FILES += freebsd/kern/subr_eventhandler.c
C_FILES += freebsd/kern/kern_subr.c
C_FILES += freebsd/kern/kern_tc.c

1
freebsd-to-rtems.py
View File

@ -548,6 +548,7 @@ rtems.addRTEMSSourceFiles(
'src/rtems-bsd-timesupport.c',
'src/rtems-bsd-newproc.c',
'src/rtems-bsd-vm_glue.c',
'src/rtems-bsd-subr.c',
]
)
rtems.addEmptyHeaderFiles(

79
rtemsbsd/src/rtems-bsd-subr.c Normal file
View File

@ -0,0 +1,79 @@
/**
* @file
*
* @ingroup rtems_bsd_rtems
*
* @brief TODO.
*/
/*
* This file contains rtems versions of methods defined in kern_subr.c
* Methods that do not require modification will remain in the original
* file.
*
* Copyright (c) 1982, 1986, 1991, 1993
* The Regents of the University of California. All rights reserved.
* (c) UNIX System Laboratories, Inc.
* All or some portions of this file are derived from material licensed
* to the University of California by American Telephone and Telegraph
* Co. or Unix System Laboratories, Inc. and are reproduced herein with
* the permission of UNIX System Laboratories, 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.
* 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
*
* @(#)kern_subr.c 8.3 (Berkeley) 1/21/94
*
*
* COPYRIGHT (c) 2012.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#include <freebsd/machine/rtems-bsd-config.h>
#include <freebsd/sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <freebsd/local/opt_zero.h>
#include <freebsd/sys/param.h>
#include <freebsd/sys/systm.h>
#include <freebsd/sys/kernel.h>
#include <freebsd/sys/ktr.h>
#include <freebsd/sys/limits.h>
#include <freebsd/sys/lock.h>
#include <freebsd/sys/mutex.h>
#include <rtems.h>
void
uio_yield(void)
{
DROP_GIANT();
rtems_task_wake_after( RTEMS_YIELD_PROCESSOR );
PICKUP_GIANT();
}