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 <mm/as.h>
#include <print.h>
#include <putchar.h>
#include <errno.h>
#include <proc/task.h>
#include <arch.h>
#include <debug.h>
#include <ipc/sysipc.h>
 
static __native sys_ctl(void) {
    printf("Thread finished\n");
    thread_exit();
    /* Unreachable */
    return 0;
}
 
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);
}
 
syshandler_t syscall_table[SYSCALL_END] = {
    sys_ctl,
    sys_io,
    sys_mmap,
    sys_mremap,
    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_connect_to_me,
    sys_ipc_connect_me_to
};
 

Rev 1032	Rev 1040
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 <mm/as.h>	31	#include <mm/as.h>
32	#include <print.h>	32	#include <print.h>
33	#include <putchar.h>	33	#include <putchar.h>
34	#include <errno.h>	34	#include <errno.h>
35	#include <proc/task.h>	35	#include <proc/task.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		39
40	static __native sys_ctl(void) {	40	static __native sys_ctl(void) {
41	printf("Thread finished\n");	41	printf("Thread finished\n");
42	thread_exit();	42	thread_exit();
43	/* Unreachable */	43	/* Unreachable */
44	return 0;	44	return 0;
45	}	45	}
46		46
47	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) {
48		48
49	// TODO: buf sanity checks and a lot of other stuff ...	49	// TODO: buf sanity checks and a lot of other stuff ...
50		50
51	size_t i;	51	size_t i;
52		52
53	for (i = 0; i < count; i++)	53	for (i = 0; i < count; i++)
54	putchar(((char *) buf)[i]);	54	putchar(((char *) buf)[i]);
55		55
56	return count;	56	return count;
57	}	57	}
58		58
59		59
60	static __native sys_mmap(void *address, size_t size, int flags)	60	static __native sys_mmap(void *address, size_t size, int flags)
61	{	61	{
62	if (as_area_create(AS, flags, size, (__address) address))	62	if (as_area_create(AS, flags, size, (__address) address))
63	return (__native) address;	63	return (__native) address;
64	else	64	else
65	return (__native) -1;	65	return (__native) -1;
66	}	66	}
67		67
68	static __native sys_mremap(void *address, size_t size, int flags)	68	static __native sys_mremap(void *address, size_t size, int flags)
69	{	69	{
70	return as_remap(AS, (__address) address, size, 0);	70	return as_remap(AS, (__address) address, size, 0);
71	}	71	}
72		72
73	syshandler_t syscall_table[SYSCALL_END] = {	73	syshandler_t syscall_table[SYSCALL_END] = {
74	sys_ctl,	74	sys_ctl,
75	sys_io,	75	sys_io,
76	sys_mmap,	76	sys_mmap,
77	sys_mremap,	77	sys_mremap,
78	sys_ipc_call_sync_fast,	78	sys_ipc_call_sync_fast,
79	sys_ipc_call_sync,	79	sys_ipc_call_sync,
80	sys_ipc_call_async_fast,	80	sys_ipc_call_async_fast,
81	sys_ipc_call_async,	81	sys_ipc_call_async,
82	sys_ipc_answer_fast,	82	sys_ipc_answer_fast,
83	sys_ipc_answer,	83	sys_ipc_answer,
-		84	sys_ipc_forward_fast,
84	sys_ipc_wait_for_call,	85	sys_ipc_wait_for_call,
85	sys_ipc_connect_to_me	86	sys_ipc_connect_to_me,
-		87	sys_ipc_connect_me_to
86	};	88	};
87		89

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/generic/src/syscall/syscall.c – Rev 1032 → 1040