WebSVN – HelenOS – Diff – /branches/sparc/kernel/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>
 
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);
}
 
/** 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_thread_create,
    sys_thread_exit,
    sys_futex_sleep_timeout,
    sys_futex_wakeup,
    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_hangup
};
 

Rev 1112	Rev 1118
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 <mm/as.h>	32	#include <mm/as.h>
32	#include <print.h>	33	#include <print.h>
33	#include <putchar.h>	34	#include <putchar.h>
34	#include <errno.h>	35	#include <errno.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	#include <synch/futex.h>	39	#include <synch/futex.h>
40		40
41	static __native sys_io(int fd, const void * buf, size_t count) {	41	static __native sys_io(int fd, const void * buf, size_t count) {
42		42
43	// TODO: buf sanity checks and a lot of other stuff ...	43	// TODO: buf sanity checks and a lot of other stuff ...
44		44
45	size_t i;	45	size_t i;
46		46
47	for (i = 0; i < count; i++)	47	for (i = 0; i < count; i++)
48	putchar(((char *) buf)[i]);	48	putchar(((char *) buf)[i]);
49		49
50	return count;	50	return count;
51	}	51	}
52		52
53	static __native sys_mmap(void *address, size_t size, int flags)	53	static __native sys_mmap(void *address, size_t size, int flags)
54	{	54	{
55	if (as_area_create(AS, flags, size, (__address) address))	55	if (as_area_create(AS, flags, size, (__address) address))
56	return (__native) address;	56	return (__native) address;
57	else	57	else
58	return (__native) -1;	58	return (__native) -1;
59	}	59	}
60		60
61	static __native sys_mremap(void *address, size_t size, int flags)	61	static __native sys_mremap(void *address, size_t size, int flags)
62	{	62	{
63	return as_remap(AS, (__address) address, size, 0);	63	return as_remap(AS, (__address) address, size, 0);
64	}	64	}
65		65
66	/** Dispatch system call */	66	/** Dispatch system call */
67	__native syscall_handler(__native a1, __native a2, __native a3,	67	__native syscall_handler(__native a1, __native a2, __native a3,
68	__native a4, __native id)	68	__native a4, __native id)
69	{	69	{
70	if (id < SYSCALL_END)	70	if (id < SYSCALL_END)
71	return syscall_table[id](a1,a2,a3,a4);	71	return syscall_table[id](a1,a2,a3,a4);
72	else	72	else
73	panic("Undefined syscall %d", id);	73	panic("Undefined syscall %d", id);
74	}	74	}
75		75
76	syshandler_t syscall_table[SYSCALL_END] = {	76	syshandler_t syscall_table[SYSCALL_END] = {
77	sys_io,	77	sys_io,
78	sys_tls_set,	78	sys_tls_set,
79	sys_thread_create,	79	sys_thread_create,
80	sys_thread_exit,	80	sys_thread_exit,
81	sys_futex_sleep,	81	sys_futex_sleep_timeout,
82	sys_futex_wakeup,	82	sys_futex_wakeup,
83	sys_mmap,	83	sys_mmap,
84	sys_mremap,	84	sys_mremap,
85	sys_ipc_call_sync_fast,	85	sys_ipc_call_sync_fast,
86	sys_ipc_call_sync,	86	sys_ipc_call_sync,
87	sys_ipc_call_async_fast,	87	sys_ipc_call_async_fast,
88	sys_ipc_call_async,	88	sys_ipc_call_async,
89	sys_ipc_answer_fast,	89	sys_ipc_answer_fast,
90	sys_ipc_answer,	90	sys_ipc_answer,
91	sys_ipc_forward_fast,	91	sys_ipc_forward_fast,
92	sys_ipc_wait_for_call,	92	sys_ipc_wait_for_call,
93	sys_ipc_hangup	93	sys_ipc_hangup
94	};	94	};
95		95

Subversion Repositories HelenOS

(root)/branches/sparc/kernel/generic/src/syscall/syscall.c @ 3993 – Rev 1112 → 1118