source: mainline/uspace/lib/c/arch/ppc32/src/syscall.c@ 3061bc1

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 3061bc1 was 63f8966, checked in by Martin Decky <martin@…>, 15 years ago

rename library directories (the common "lib" prefix is already in the upper directory)

  • Property mode set to 100644
File size: 2.3 KB
RevLine 
[34c4d69]1/*
[df4ed85]2 * Copyright (c) 2006 Martin Decky
[34c4d69]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
[fadd381]29/** @addtogroup libcppc32 ppc32
[e209fc96]30 * @brief ppc32 architecture dependent parts of libc
31 * @ingroup lc
32 * @{
33 */
34/** @file
35 */
36
[34c4d69]37#include <libc.h>
38
[454889c]39sysarg_t __syscall(const sysarg_t p1, const sysarg_t p2, const sysarg_t p3,
40 const sysarg_t p4, const sysarg_t p5, const sysarg_t p6, const syscall_t id)
[34c4d69]41{
[432c648]42 register sysarg_t __ppc32_reg_r3 asm("3") = p1;
43 register sysarg_t __ppc32_reg_r4 asm("4") = p2;
44 register sysarg_t __ppc32_reg_r5 asm("5") = p3;
45 register sysarg_t __ppc32_reg_r6 asm("6") = p4;
[454889c]46 register sysarg_t __ppc32_reg_r7 asm("7") = p5;
47 register sysarg_t __ppc32_reg_r8 asm("8") = p6;
48 register sysarg_t __ppc32_reg_r9 asm("9") = id;
[34c4d69]49
50 asm volatile (
51 "sc\n"
52 : "=r" (__ppc32_reg_r3)
53 : "r" (__ppc32_reg_r3),
54 "r" (__ppc32_reg_r4),
55 "r" (__ppc32_reg_r5),
56 "r" (__ppc32_reg_r6),
[454889c]57 "r" (__ppc32_reg_r7),
58 "r" (__ppc32_reg_r8),
59 "r" (__ppc32_reg_r9)
[34c4d69]60 );
61
62 return __ppc32_reg_r3;
63}
[e209fc96]64
[fadd381]65/** @}
[e209fc96]66 */
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