WebSVN – HelenOS – Diff – /trunk/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.
 */
 
/**
 * @file    syscall.c
 * @brief   Syscall table and syscall wrappers.
 */
 
#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_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,
 
    /* Thread and task related syscalls. */
    sys_thread_create,
    sys_thread_exit,
    sys_task_get_id,
   
    /* Synchronization related syscalls. */
    sys_futex_sleep_timeout,
    sys_futex_wakeup,
   
    /* Address space related syscalls. */
    sys_as_area_create,
    sys_as_area_resize,
    sys_as_area_accept,
    sys_as_area_send,
 
    /* IPC related syscalls. */
    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_ipc_register_irq,
    sys_ipc_unregister_irq,
 
    /* DDI related syscalls. */
    sys_physmem_map,
    sys_iospace_enable
};
 

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

Subversion Repositories HelenOS

(root)/trunk/kernel/generic/src/syscall/syscall.c @ 2139 – Rev 1258 → 1264