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
 */