Subversion Repositories HelenOS

Rev

Rev 2479 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
1400 decky 1
/*
2071 jermar 2
 * Copyright (c) 2006 Martin Decky
1400 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
 
1866 jermar 29
/** @addtogroup libcppc64 ppc64
30
 * @brief ppc64 architecture dependent parts of libc
31
 * @ingroup lc
1656 cejka 32
 * @{
33
 */
34
/** @file
35
 */
36
 
1400 decky 37
#include <libc.h>
38
 
2745 decky 39
sysarg_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)
1400 decky 41
{
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;
2745 decky 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;
1400 decky 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),
2745 decky 57
          "r" (__ppc32_reg_r7),
58
          "r" (__ppc32_reg_r8),
59
          "r" (__ppc32_reg_r9)
1400 decky 60
    );
61
 
62
    return __ppc32_reg_r3;
63
}
1656 cejka 64
 
1866 jermar 65
/** @}
1656 cejka 66
 */