| 1 | /*
|
|---|
| 2 | * Copyright (c) 2006 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 |
|
|---|
| 29 | /** @addtogroup libcppc32 ppc32
|
|---|
| 30 | * @brief ppc32 architecture dependent parts of libc
|
|---|
| 31 | * @ingroup lc
|
|---|
| 32 | * @{
|
|---|
| 33 | */
|
|---|
| 34 | /** @file
|
|---|
| 35 | */
|
|---|
| 36 |
|
|---|
| 37 | #include <libc.h>
|
|---|
| 38 |
|
|---|
| 39 | sysarg_t __syscall(const sysarg_t p1, const sysarg_t p2, const sysarg_t p3, const sysarg_t p4, const syscall_t id)
|
|---|
| 40 | {
|
|---|
| 41 | register sysarg_t __ppc32_reg_r3 asm("3") = p1;
|
|---|
| 42 | register sysarg_t __ppc32_reg_r4 asm("4") = p2;
|
|---|
| 43 | register sysarg_t __ppc32_reg_r5 asm("5") = p3;
|
|---|
| 44 | register sysarg_t __ppc32_reg_r6 asm("6") = p4;
|
|---|
| 45 | register sysarg_t __ppc32_reg_r7 asm("7") = id;
|
|---|
| 46 |
|
|---|
| 47 | asm volatile (
|
|---|
| 48 | "sc\n"
|
|---|
| 49 | : "=r" (__ppc32_reg_r3)
|
|---|
| 50 | : "r" (__ppc32_reg_r3),
|
|---|
| 51 | "r" (__ppc32_reg_r4),
|
|---|
| 52 | "r" (__ppc32_reg_r5),
|
|---|
| 53 | "r" (__ppc32_reg_r6),
|
|---|
| 54 | "r" (__ppc32_reg_r7)
|
|---|
| 55 | );
|
|---|
| 56 |
|
|---|
| 57 | return __ppc32_reg_r3;
|
|---|
| 58 | }
|
|---|
| 59 |
|
|---|
| 60 | /** @}
|
|---|
| 61 | */
|
|---|
