source: mainline/generic/src/syscall/syscall.c@ 2bb8648

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 2bb8648 was 2bb8648, checked in by Jakub Jermar <jakub@…>, 19 years ago

Add SYS_CAP_GRANT and SYS_CAP_REVOKE syscalls.
Move SYS_PREEMPT_CONTROL to ddi.c.
Add some comments and fix some small issues.

  • Property mode set to 100644
File size: 3.0 KB
RevLine 
[7ae4443]1/*
2 * Copyright (C) 2005 Martin Decky
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
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
15 * derived from this software without specific prior written permission.
16 *
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
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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
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
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
[cf26ba9]29/**
30 * @file syscall.c
31 * @brief Syscall table and syscall wrappers.
32 */
33
[a59e81e]34#include <syscall/syscall.h>
[4be51c8]35#include <proc/thread.h>
[38ee55b]36#include <proc/task.h>
[d3e7ff4]37#include <mm/as.h>
[204674e]38#include <print.h>
39#include <putchar.h>
[6d9c49a]40#include <errno.h>
41#include <arch.h>
42#include <debug.h>
[2d5a54f3]43#include <ipc/sysipc.h>
[9aa72b4]44#include <synch/futex.h>
[9a8d91b]45#include <ddi/ddi.h>
[2bb8648]46#include <security/cap.h>
[f58af46]47#include <syscall/copy.h>
[7ae4443]48
[6d9c49a]49static __native sys_io(int fd, const void * buf, size_t count) {
[204674e]50
51 // TODO: buf sanity checks and a lot of other stuff ...
52
53 size_t i;
54
55 for (i = 0; i < count; i++)
56 putchar(((char *) buf)[i]);
57
[4be51c8]58 return count;
[7ae4443]59}
60
[53f9821]61/** Dispatch system call */
62__native syscall_handler(__native a1, __native a2, __native a3,
63 __native a4, __native id)
64{
65 if (id < SYSCALL_END)
66 return syscall_table[id](a1,a2,a3,a4);
67 else
68 panic("Undefined syscall %d", id);
69}
70
[7ae4443]71syshandler_t syscall_table[SYSCALL_END] = {
[6d9c49a]72 sys_io,
[281b607]73 sys_tls_set,
[2bb8648]74
[df0103f7]75 /* Thread and task related syscalls. */
[9f52563]76 sys_thread_create,
77 sys_thread_exit,
[24f3874]78 sys_task_get_id,
[df0103f7]79
80 /* Synchronization related syscalls. */
[38ee55b]81 sys_futex_sleep_timeout,
[9aa72b4]82 sys_futex_wakeup,
[df0103f7]83
84 /* Address space related syscalls. */
[24f3874]85 sys_as_area_create,
86 sys_as_area_resize,
[df0103f7]87 sys_as_area_accept,
88 sys_as_area_send,
89
90 /* IPC related syscalls. */
[5f62ef9]91 sys_ipc_call_sync_fast,
[631ca4d]92 sys_ipc_call_sync,
[5f62ef9]93 sys_ipc_call_async_fast,
[631ca4d]94 sys_ipc_call_async,
[286e03d]95 sys_ipc_answer_fast,
[6d9c49a]96 sys_ipc_answer,
[2ba7810]97 sys_ipc_forward_fast,
[2d5a54f3]98 sys_ipc_wait_for_call,
[9a8d91b]99 sys_ipc_hangup,
[5626277]100 sys_ipc_register_irq,
101 sys_ipc_unregister_irq,
102
[2bb8648]103 /* Capabilities related syscalls. */
104 sys_cap_grant,
105 sys_cap_revoke,
106
[df0103f7]107 /* DDI related syscalls. */
[24f3874]108 sys_physmem_map,
[2bb8648]109 sys_iospace_enable,
110 sys_preempt_control
[7ae4443]111};
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