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1 | /* |
1 | /* |
2 | * Copyright (c) 2006 Martin Decky |
2 | * Copyright (c) 2006 Martin Decky |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
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 |
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. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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 |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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 |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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 |
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. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @addtogroup libcppc32 ppc32 |
29 | /** @addtogroup libcppc32 ppc32 |
30 | * @brief ppc32 architecture dependent parts of libc |
30 | * @brief ppc32 architecture dependent parts of libc |
31 | * @ingroup lc |
31 | * @ingroup lc |
32 | * @{ |
32 | * @{ |
33 | */ |
33 | */ |
34 | /** @file |
34 | /** @file |
35 | */ |
35 | */ |
36 | 36 | ||
37 | #include <libc.h> |
37 | #include <libc.h> |
38 | 38 | ||
39 | sysarg_t __syscall(const sysarg_t p1, const sysarg_t p2, const sysarg_t p3, |
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) |
40 | const sysarg_t p4, const sysarg_t p5, const sysarg_t p6, const syscall_t id) |
41 | { |
41 | { |
42 | register sysarg_t __ppc32_reg_r3 asm("3") = p1; |
42 | register sysarg_t __ppc32_reg_r3 asm("3") = p1; |
43 | register sysarg_t __ppc32_reg_r4 asm("4") = p2; |
43 | register sysarg_t __ppc32_reg_r4 asm("4") = p2; |
44 | register sysarg_t __ppc32_reg_r5 asm("5") = p3; |
44 | register sysarg_t __ppc32_reg_r5 asm("5") = p3; |
45 | register sysarg_t __ppc32_reg_r6 asm("6") = p4; |
45 | register sysarg_t __ppc32_reg_r6 asm("6") = p4; |
46 | register sysarg_t __ppc32_reg_r7 asm("7") = p5; |
46 | register sysarg_t __ppc32_reg_r7 asm("7") = p5; |
47 | register sysarg_t __ppc32_reg_r8 asm("8") = p6; |
47 | register sysarg_t __ppc32_reg_r8 asm("8") = p6; |
48 | register sysarg_t __ppc32_reg_r9 asm("9") = id; |
48 | register sysarg_t __ppc32_reg_r9 asm("9") = id; |
49 | 49 | ||
50 | asm volatile ( |
50 | asm volatile ( |
51 | "sc\n" |
51 | "sc\n" |
52 | : "=r" (__ppc32_reg_r3) |
52 | : "=r" (__ppc32_reg_r3) |
53 | : "r" (__ppc32_reg_r3), |
53 | : "r" (__ppc32_reg_r3), |
54 | "r" (__ppc32_reg_r4), |
54 | "r" (__ppc32_reg_r4), |
55 | "r" (__ppc32_reg_r5), |
55 | "r" (__ppc32_reg_r5), |
56 | "r" (__ppc32_reg_r6), |
56 | "r" (__ppc32_reg_r6), |
57 | "r" (__ppc32_reg_r7), |
57 | "r" (__ppc32_reg_r7), |
58 | "r" (__ppc32_reg_r8), |
58 | "r" (__ppc32_reg_r8), |
59 | "r" (__ppc32_reg_r9) |
59 | "r" (__ppc32_reg_r9) |
60 | ); |
60 | ); |
61 | 61 | ||
62 | return __ppc32_reg_r3; |
62 | return __ppc32_reg_r3; |
63 | } |
63 | } |
64 | 64 | ||
65 | /** @} |
65 | /** @} |
66 | */ |
66 | */ |
67 | 67 |