source: mainline/kernel/arch/sparc64/src/trap/syscall.c@ 253f35a1

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 253f35a1 was 9314ee1, checked in by Jakub Jermar <jakub@…>, 19 years ago

sparc64 work.
Kernel syscall support.
Modify the preemptive_handler for the use by syscalls.

  • Property mode set to 100644
File size: 2.0 KB
Line 
1/*
2 * Copyright (C) 2006 Jakub Jermar
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
29/** @addtogroup sparc64interrupt
30 * @{
31 */
32/** @file
33 *
34 */
35
36#include <arch/syscall.h>
37#include <arch/trap/syscall.h>
38#include <syscall/syscall.h>
39#include <panic.h>
40#include <arch/types.h>
41#include <typedefs.h>
42
43unative_t syscall(int n, istate_t *istate, unative_t a1, unative_t a2, unative_t a3, unative_t a4)
44{
45 if (n >= TT_TRAP_INSTRUCTION(0) && n <= TT_TRAP_INSTRUCTION_LAST)
46 return syscall_table[n - TT_TRAP_INSTRUCTION(0)](a1, a2, a3, a4);
47 else
48 panic("Undefined syscall %d\n", n - TT_TRAP_INSTRUCTION(0));
49}
50
51/** @}
52 */
Note: See TracBrowser for help on using the repository browser.