ddi.c

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00001 /*
00002  * Copyright (C) 2006 Jakub Jermar
00003  * All rights reserved.
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions
00007  * are met:
00008  *
00009  * - Redistributions of source code must retain the above copyright
00010  *   notice, this list of conditions and the following disclaimer.
00011  * - Redistributions in binary form must reproduce the above copyright
00012  *   notice, this list of conditions and the following disclaimer in the
00013  *   documentation and/or other materials provided with the distribution.
00014  * - The name of the author may not be used to endorse or promote products
00015  *   derived from this software without specific prior written permission.
00016  *
00017  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
00018  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00019  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
00020  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
00021  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
00022  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
00023  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
00024  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
00025  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
00026  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00027  */
00028 
00035 #include <ddi.h>
00036 #include <libc.h>
00037 #include <task.h>
00038 #include <kernel/ddi/ddi_arg.h>
00039 
00053 int map_physmem(void *pf, void *vp, unsigned long pages, int flags)
00054 {
00055         return __SYSCALL4(SYS_MAP_PHYSMEM, (sysarg_t) pf, (sysarg_t)vp, pages, flags);
00056 }
00057 
00070 int iospace_enable(task_id_t id, void *ioaddr, unsigned long size)
00071 {
00072         ddi_ioarg_t arg;
00073 
00074         arg.task_id = id;
00075         arg.ioaddr = ioaddr;
00076         arg.size = size;
00077 
00078         return __SYSCALL1(SYS_IOSPACE_ENABLE, (sysarg_t) &arg);
00079 }
00080 
00085 int preemption_control(int enable)
00086 {
00087         return __SYSCALL1(SYS_PREEMPT_CONTROL, (sysarg_t) enable);
00088 }
00089 
00090 

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