Subversion Repositories HelenOS

Rev

Rev 1258 | Rev 1278 | Go to most recent revision | Only display areas with differences | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 1258 Rev 1264
1
/*
1
/*
2
 * Copyright (C) 2005 Martin Decky
2
 * Copyright (C) 2005 Martin Decky
3
 * All rights reserved.
3
 * All rights reserved.
4
 *
4
 *
5
 * Redistribution and use in source and binary forms, with or without
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
6
 * modification, are permitted provided that the following conditions
7
 * are met:
7
 * are met:
8
 *
8
 *
9
 * - Redistributions of source code must retain the above copyright
9
 * - Redistributions of source code must retain the above copyright
10
 *   notice, this list of conditions and the following disclaimer.
10
 *   notice, this list of conditions and the following disclaimer.
11
 * - Redistributions in binary form must reproduce the above copyright
11
 * - Redistributions in binary form must reproduce the above copyright
12
 *   notice, this list of conditions and the following disclaimer in the
12
 *   notice, this list of conditions and the following disclaimer in the
13
 *   documentation and/or other materials provided with the distribution.
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
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.
15
 *   derived from this software without specific prior written permission.
16
 *
16
 *
17
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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
18
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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
23
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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
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.
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
27
 */
28
 
28
 
-
 
29
/**
-
 
30
 * @file    syscall.c
-
 
31
 * @brief   Syscall table and syscall wrappers.
-
 
32
 */
-
 
33
 
29
#include <syscall/syscall.h>
34
#include <syscall/syscall.h>
30
#include <proc/thread.h>
35
#include <proc/thread.h>
31
#include <proc/task.h>
36
#include <proc/task.h>
32
#include <mm/as.h>
37
#include <mm/as.h>
33
#include <print.h>
38
#include <print.h>
34
#include <putchar.h>
39
#include <putchar.h>
35
#include <errno.h>
40
#include <errno.h>
36
#include <arch.h>
41
#include <arch.h>
37
#include <debug.h>
42
#include <debug.h>
38
#include <ipc/sysipc.h>
43
#include <ipc/sysipc.h>
39
#include <synch/futex.h>
44
#include <synch/futex.h>
40
#include <ddi/ddi.h>
45
#include <ddi/ddi.h>
41
 
46
 
42
static __native sys_io(int fd, const void * buf, size_t count) {
47
static __native sys_io(int fd, const void * buf, size_t count) {
43
   
48
   
44
    // TODO: buf sanity checks and a lot of other stuff ...
49
    // TODO: buf sanity checks and a lot of other stuff ...
45
 
50
 
46
    size_t i;
51
    size_t i;
47
   
52
   
48
    for (i = 0; i < count; i++)
53
    for (i = 0; i < count; i++)
49
        putchar(((char *) buf)[i]);
54
        putchar(((char *) buf)[i]);
50
   
55
   
51
    return count;
56
    return count;
52
}
57
}
53
 
58
 
54
static __native sys_int_control(int enable)
59
static __native sys_int_control(int enable)
55
{
60
{
56
    panic("Not implemented.");
61
    panic("Not implemented.");
57
}
62
}
58
 
63
 
59
/** Dispatch system call */
64
/** Dispatch system call */
60
__native syscall_handler(__native a1, __native a2, __native a3,
65
__native syscall_handler(__native a1, __native a2, __native a3,
61
             __native a4, __native id)
66
             __native a4, __native id)
62
{
67
{
63
    if (id < SYSCALL_END)
68
    if (id < SYSCALL_END)
64
        return syscall_table[id](a1,a2,a3,a4);
69
        return syscall_table[id](a1,a2,a3,a4);
65
    else
70
    else
66
        panic("Undefined syscall %d", id);
71
        panic("Undefined syscall %d", id);
67
}
72
}
68
 
73
 
69
syshandler_t syscall_table[SYSCALL_END] = {
74
syshandler_t syscall_table[SYSCALL_END] = {
70
    sys_io,
75
    sys_io,
71
    sys_tls_set,
76
    sys_tls_set,
72
    sys_int_control,
77
    sys_int_control,
73
 
78
 
74
    /* Thread and task related syscalls. */
79
    /* Thread and task related syscalls. */
75
    sys_thread_create,
80
    sys_thread_create,
76
    sys_thread_exit,
81
    sys_thread_exit,
77
    sys_task_get_id,
82
    sys_task_get_id,
78
   
83
   
79
    /* Synchronization related syscalls. */
84
    /* Synchronization related syscalls. */
80
    sys_futex_sleep_timeout,
85
    sys_futex_sleep_timeout,
81
    sys_futex_wakeup,
86
    sys_futex_wakeup,
82
   
87
   
83
    /* Address space related syscalls. */
88
    /* Address space related syscalls. */
84
    sys_as_area_create,
89
    sys_as_area_create,
85
    sys_as_area_resize,
90
    sys_as_area_resize,
86
    sys_as_area_accept,
91
    sys_as_area_accept,
87
    sys_as_area_send,
92
    sys_as_area_send,
88
 
93
 
89
    /* IPC related syscalls. */
94
    /* IPC related syscalls. */
90
    sys_ipc_call_sync_fast,
95
    sys_ipc_call_sync_fast,
91
    sys_ipc_call_sync,
96
    sys_ipc_call_sync,
92
    sys_ipc_call_async_fast,
97
    sys_ipc_call_async_fast,
93
    sys_ipc_call_async,
98
    sys_ipc_call_async,
94
    sys_ipc_answer_fast,
99
    sys_ipc_answer_fast,
95
    sys_ipc_answer,
100
    sys_ipc_answer,
96
    sys_ipc_forward_fast,
101
    sys_ipc_forward_fast,
97
    sys_ipc_wait_for_call,
102
    sys_ipc_wait_for_call,
98
    sys_ipc_hangup,
103
    sys_ipc_hangup,
99
    sys_ipc_register_irq,
104
    sys_ipc_register_irq,
100
    sys_ipc_unregister_irq,
105
    sys_ipc_unregister_irq,
101
 
106
 
102
    /* DDI related syscalls. */
107
    /* DDI related syscalls. */
103
    sys_physmem_map,
108
    sys_physmem_map,
104
    sys_iospace_enable
109
    sys_iospace_enable
105
};
110
};
106
 
111