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Annotation of prex-old/sys/arch/arm/cats/clock.c, Revision 1.1

1.1     ! nbrk        1: /*
        !             2:  * $Id$
        !             3:  */
        !             4: /*-
        !             5:  * Copyright (c) 2005-2007, Kohsuke Ohtani
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * Redistribution and use in source and binary forms, with or without
        !             9:  * modification, are permitted provided that the following conditions
        !            10:  * are met:
        !            11:  * 1. Redistributions of source code must retain the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer.
        !            13:  * 2. Redistributions in binary form must reproduce the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer in the
        !            15:  *    documentation and/or other materials provided with the distribution.
        !            16:  * 3. Neither the name of the author nor the names of any co-contributors
        !            17:  *    may be used to endorse or promote products derived from this software
        !            18:  *    without specific prior written permission.
        !            19:  *
        !            20:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
        !            21:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            22:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            23:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
        !            24:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            25:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            26:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            27:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            28:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            29:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            30:  * SUCH DAMAGE.
        !            31:  */
        !            32:
        !            33: /*
        !            34:  * clock.c - clock driver
        !            35:  */
        !            36:
        !            37: #include <kernel.h>
        !            38: #include <timer.h>
        !            39: #include <irq.h>
        !            40:
        !            41:
        !            42: /*
        !            43:  * Clock interrupt service routine.
        !            44:  * No H/W reprogram is required.
        !            45:  */
        !            46: static int
        !            47: clock_isr(int irq)
        !            48: {
        !            49: #if 0
        !            50:        irq_lock();
        !            51:        timer_tick();
        !            52:        irq_unlock();
        !            53: #endif
        !            54:
        !            55:        return INT_DONE;
        !            56: }
        !            57:
        !            58: /*
        !            59:  * Initialize clock H/W chip.
        !            60:  * Setup clock tick rate and install clock ISR.
        !            61:  */
        !            62: void
        !            63: clock_init(void)
        !            64: {
        !            65:        /* TODO */
        !            66: }