Subversion Repositories HelenOS

Rev

Rev 2479 | Rev 4377 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
1180 jermar 1 
/*
2071 jermar 2 
 * Copyright (c) 2006 Jakub Jermar
1180 jermar 3 
 * All rights reserved.
4 
 *
5 
 * Redistribution and use in source and binary forms, with or without
6 
 * modification, are permitted provided that the following conditions
7 
 * are met:
8 
 *
9 
 * - Redistributions of source code must retain the above copyright
10 
 *   notice, this list of conditions and the following disclaimer.
11 
 * - Redistributions in binary form must reproduce the above copyright
12 
 *   notice, this list of conditions and the following disclaimer in the
13 
 *   documentation and/or other materials provided with the distribution.
14 
 * - The name of the author may not be used to endorse or promote products
15 
 *   derived from this software without specific prior written permission.
16 
 *
17 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1653 cejka 27 
 */
28 
 
1719 decky 29 
/** @addtogroup libc
1653 cejka 30 
 * @{
31 
 */
32 
/** @file
1180 jermar 33 
 */
34 
 
35 
#include <ddi.h>
36 
#include <libc.h>
37 
#include <task.h>
38 
#include <kernel/ddi/ddi_arg.h>
39 
 
40 
/** Map piece of physical memory to task.
41 
 *
42 
 * Caller of this function must have the CAP_MEM_MANAGER capability.
43 
 *
44 
 * @param pf Physical address of the starting frame.
45 
 * @param vp Virtual address of the sterting page.
46 
 * @param pages Number of pages to map.
1430 jermar 47 
 * @param flags Flags for the new address space area.
1180 jermar 48 
 *
49 
 * @return 0 on success, EPERM if the caller lacks the CAP_MEM_MANAGER capability,
50 
 *     ENOENT if there is no task with specified ID and ENOMEM if there
51 
 *     was some problem in creating address space area.
52 
 */
2012 jermar 53 
int physmem_map(void *pf, void *vp, unsigned long pages, int flags)
1180 jermar 54 
{
2012 jermar 55 
    return __SYSCALL4(SYS_PHYSMEM_MAP, (sysarg_t) pf, (sysarg_t) vp, pages, flags);
1180 jermar 56 
}
1192 jermar 57 
 
58 
/** Enable I/O space range to task.
59 
 *
60 
 * Caller of this function must have the IO_MEM_MANAGER capability.
61 
 *
62 
 * @param id Task ID.
63 
 * @param ioaddr Starting address of the I/O range.
64 
 * @param size Size of the range.
65 
 *
66 
 * @return 0 on success, EPERM if the caller lacks the CAP_IO_MANAGER capability,
67 
 *     ENOENT if there is no task with specified ID and ENOMEM if there
68 
 *     was some problem in allocating memory.
69 
 */
1254 jermar 70 
int iospace_enable(task_id_t id, void *ioaddr, unsigned long size)
1192 jermar 71 
{
72 
    ddi_ioarg_t arg;
73 
 
74 
    arg.task_id = id;
75 
    arg.ioaddr = ioaddr;
76 
    arg.size = size;
77 
 
1254 jermar 78 
    return __SYSCALL1(SYS_IOSPACE_ENABLE, (sysarg_t) &arg);
1192 jermar 79 
}
1213 palkovsky 80 
 
81 
/** Interrupt control
82 
 *
83 
 * @param enable 1 - enable interrupts, 0 - disable interrupts
84 
 */
1279 palkovsky 85 
int preemption_control(int enable)
1213 palkovsky 86 
{
1279 palkovsky 87 
    return __SYSCALL1(SYS_PREEMPT_CONTROL, (sysarg_t) enable);
1213 palkovsky 88 
}
1653 cejka 89 
 
1719 decky 90 
/** @}
1653 cejka 91 
 */