WebSVN – HelenOS-historic – Diff – /kernel/trunk/generic/src/syscall/syscall.c


/*
 * Copyright (C) 2005 Martin Decky
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
#include <syscall/syscall.h>
#include <proc/thread.h>
#include <proc/task.h>
#include <mm/as.h>
#include <print.h>
#include <putchar.h>
#include <errno.h>
#include <arch.h>
#include <debug.h>
#include <ipc/sysipc.h>
#include <synch/futex.h>
#include <ddi/ddi.h>
 
static __native sys_io(int fd, const void * buf, size_t count) {
   
    // TODO: buf sanity checks and a lot of other stuff ...
 
    size_t i;
   
    for (i = 0; i < count; i++)
        putchar(((char *) buf)[i]);
   
    return count;
}
 
static __native sys_mmap(void *address, size_t size, int flags)
{
    if (as_area_create(AS, flags, size, (__address) address))
        return (__native) address;
    else
        return (__native) -1;
}
 
static __native sys_mremap(void *address, size_t size, int flags)
{
    return as_remap(AS, (__address) address, size, 0);
}
 
static __native sys_int_control(int enable)
{
    panic("Not implemented.");
}
 
/** Dispatch system call */
__native syscall_handler(__native a1, __native a2, __native a3,
             __native a4, __native id)
{
    if (id < SYSCALL_END)
        return syscall_table[id](a1,a2,a3,a4);
    else
        panic("Undefined syscall %d", id);
}
 
syshandler_t syscall_table[SYSCALL_END] = {
    sys_io,
    sys_tls_set,
    sys_int_control,
    sys_thread_create,
    sys_thread_exit,
    sys_futex_sleep_timeout,
    sys_futex_wakeup,
    sys_mmap,
    sys_mremap,
    sys_get_task_id,
    sys_ipc_call_sync_fast,
    sys_ipc_call_sync,
    sys_ipc_call_async_fast,
    sys_ipc_call_async,
    sys_ipc_answer_fast,
    sys_ipc_answer,
    sys_ipc_forward_fast,
    sys_ipc_wait_for_call,
    sys_ipc_hangup,
    sys_map_physmem,
    sys_enable_iospace
};
 

Rev 1191	Rev 1212
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	#include <syscall/syscall.h>	29	#include <syscall/syscall.h>
30	#include <proc/thread.h>	30	#include <proc/thread.h>
31	#include <proc/task.h>	31	#include <proc/task.h>
32	#include <mm/as.h>	32	#include <mm/as.h>
33	#include <print.h>	33	#include <print.h>
34	#include <putchar.h>	34	#include <putchar.h>
35	#include <errno.h>	35	#include <errno.h>
36	#include <arch.h>	36	#include <arch.h>
37	#include <debug.h>	37	#include <debug.h>
38	#include <ipc/sysipc.h>	38	#include <ipc/sysipc.h>
39	#include <synch/futex.h>	39	#include <synch/futex.h>
40	#include <ddi/ddi.h>	40	#include <ddi/ddi.h>
41		41
42	static __native sys_io(int fd, const void * buf, size_t count) {	42	static __native sys_io(int fd, const void * buf, size_t count) {
43		43
44	// TODO: buf sanity checks and a lot of other stuff ...	44	// TODO: buf sanity checks and a lot of other stuff ...
45		45
46	size_t i;	46	size_t i;
47		47
48	for (i = 0; i < count; i++)	48	for (i = 0; i < count; i++)
49	putchar(((char *) buf)[i]);	49	putchar(((char *) buf)[i]);
50		50
51	return count;	51	return count;
52	}	52	}
53		53
54	static __native sys_mmap(void *address, size_t size, int flags)	54	static __native sys_mmap(void *address, size_t size, int flags)
55	{	55	{
56	if (as_area_create(AS, flags, size, (__address) address))	56	if (as_area_create(AS, flags, size, (__address) address))
57	return (__native) address;	57	return (__native) address;
58	else	58	else
59	return (__native) -1;	59	return (__native) -1;
60	}	60	}
61		61
62	static __native sys_mremap(void *address, size_t size, int flags)	62	static __native sys_mremap(void *address, size_t size, int flags)
63	{	63	{
64	return as_remap(AS, (__address) address, size, 0);	64	return as_remap(AS, (__address) address, size, 0);
65	}	65	}
66		66
-		67	static __native sys_int_control(int enable)
-		68	{
-		69	panic("Not implemented.");
-		70	}
-		71
67	/** Dispatch system call */	72	/** Dispatch system call */
68	__native syscall_handler(__native a1, __native a2, __native a3,	73	__native syscall_handler(__native a1, __native a2, __native a3,
69	__native a4, __native id)	74	__native a4, __native id)
70	{	75	{
71	if (id < SYSCALL_END)	76	if (id < SYSCALL_END)
72	return syscall_table[id](a1,a2,a3,a4);	77	return syscall_table[id](a1,a2,a3,a4);
73	else	78	else
74	panic("Undefined syscall %d", id);	79	panic("Undefined syscall %d", id);
75	}	80	}
76		81
77	syshandler_t syscall_table[SYSCALL_END] = {	82	syshandler_t syscall_table[SYSCALL_END] = {
78	sys_io,	83	sys_io,
79	sys_tls_set,	84	sys_tls_set,
-		85	sys_int_control,
80	sys_thread_create,	86	sys_thread_create,
81	sys_thread_exit,	87	sys_thread_exit,
82	sys_futex_sleep_timeout,	88	sys_futex_sleep_timeout,
83	sys_futex_wakeup,	89	sys_futex_wakeup,
84	sys_mmap,	90	sys_mmap,
85	sys_mremap,	91	sys_mremap,
86	sys_get_task_id,	92	sys_get_task_id,
87	sys_ipc_call_sync_fast,	93	sys_ipc_call_sync_fast,
88	sys_ipc_call_sync,	94	sys_ipc_call_sync,
89	sys_ipc_call_async_fast,	95	sys_ipc_call_async_fast,
90	sys_ipc_call_async,	96	sys_ipc_call_async,
91	sys_ipc_answer_fast,	97	sys_ipc_answer_fast,
92	sys_ipc_answer,	98	sys_ipc_answer,
93	sys_ipc_forward_fast,	99	sys_ipc_forward_fast,
94	sys_ipc_wait_for_call,	100	sys_ipc_wait_for_call,
95	sys_ipc_hangup,	101	sys_ipc_hangup,
96	sys_map_physmem,	102	sys_map_physmem,
97	sys_enable_iospace	103	sys_enable_iospace
98	};	104	};
99		105

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/generic/src/syscall/syscall.c – Rev 1191 → 1212