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1/*
2 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
734aad71 6 * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
e9ce8d39 7 *
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8 * This file contains Original Code and/or Modifications of Original Code
9 * as defined in and that are subject to the Apple Public Source License
10 * Version 2.0 (the 'License'). You may not use this file except in
11 * compliance with the License. Please obtain a copy of the License at
12 * http://www.opensource.apple.com/apsl/ and read it before using this
13 * file.
14 *
15 * The Original Code and all software distributed under the License are
16 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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17 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
18 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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19 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
20 * Please see the License for the specific language governing rights and
21 * limitations under the License.
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22 *
23 * @APPLE_LICENSE_HEADER_END@
24 */
25/* Copyright (c) 1992 NeXT Computer, Inc. All rights reserved.
26 *
27 * File: SYS.h
28 *
29 * Definition of the user side of the UNIX system call interface
30 * for M98K.
31 *
32 * Errors are flagged by the location of the trap return (ie., which
33 * instruction is executed upon rfi):
34 *
35 * SC PC + 4: Error (typically branch to cerror())
36 * SC PC + 8: Success
37 *
38 * HISTORY
39 * 18-Nov-92 Ben Fathi (benf@next.com)
40 * Ported to m98k.
41 *
42 * 9-Jan-92 Peter King (king@next.com)
43 * Created.
44 */
45
46#define KERNEL_PRIVATE 1
47/*
48 * Header files.
49 */
50#import <architecture/ppc/asm_help.h>
51#import <architecture/ppc/pseudo_inst.h>
52#import <mach/ppc/exception.h>
53#import <sys/syscall.h>
54
55/* From rhapsody kernel mach/ppc/syscall_sw.h */
56#define kernel_trap_args_0
57#define kernel_trap_args_1
58#define kernel_trap_args_2
59#define kernel_trap_args_3
60#define kernel_trap_args_4
61#define kernel_trap_args_5
62#define kernel_trap_args_6
63#define kernel_trap_args_7
64
65/*
66 * simple_kernel_trap -- Mach system calls with 8 or less args
67 * Args are passed in a0 - a7, system call number in r0.
68 * Do a "sc" instruction to enter kernel.
69 */
70#define simple_kernel_trap(trap_name, trap_number) \
71 .globl _##trap_name @\
72_##trap_name: @\
73 li r0,trap_number @\
74 sc @\
75 blr @\
76 END(trap_name)
77
78#define kernel_trap_0(trap_name,trap_number) \
79 simple_kernel_trap(trap_name,trap_number)
80
81#define kernel_trap_1(trap_name,trap_number) \
82 simple_kernel_trap(trap_name,trap_number)
83
84#define kernel_trap_2(trap_name,trap_number) \
85 simple_kernel_trap(trap_name,trap_number)
86
87#define kernel_trap_3(trap_name,trap_number) \
88 simple_kernel_trap(trap_name,trap_number)
89
90#define kernel_trap_4(trap_name,trap_number) \
91 simple_kernel_trap(trap_name,trap_number)
92
93#define kernel_trap_5(trap_name,trap_number) \
94 simple_kernel_trap(trap_name,trap_number)
95
96#define kernel_trap_6(trap_name,trap_number) \
97 simple_kernel_trap(trap_name,trap_number)
98
99#define kernel_trap_7(trap_name,trap_number) \
100 simple_kernel_trap(trap_name,trap_number)
101
102#define kernel_trap_8(trap_name,trap_number) \
103 simple_kernel_trap(trap_name,trap_number)
104
105#define kernel_trap_9(trap_name,trap_number) \
106 simple_kernel_trap(trap_name,trap_number)
107
108/* End of rhapsody kernel mach/ppc/syscall_sw.h */
109
110/*
111 * Macros.
112 */
113
114#define SYSCALL(name, nargs) \
115 .globl cerror @\
116LEAF(_##name) @\
117 kernel_trap_args_##nargs @\
118 li r0,SYS_##name @\
119 sc @\
120 b 1f @\
121 b 2f @\
1221: BRANCH_EXTERN(cerror) @\
123.text \
1242: nop
125
126#define SYSCALL_NONAME(name, nargs) \
127 .globl cerror @\
128 kernel_trap_args_##nargs @\
129 li r0,SYS_##name @\
130 sc @\
131 b 1f @\
132 b 2f @\
1331: BRANCH_EXTERN(cerror) @\
134.text \
1352: nop
136
137#define PSEUDO(pseudo, name, nargs) \
138LEAF(_##pseudo) @\
139 SYSCALL_NONAME(name, nargs)
140
141
142#undef END
143#import <mach/ppc/syscall_sw.h>
144
145#if !defined(SYS_getdirentriesattr)
146#define SYS_getdirentriesattr 222
147#endif
148
149#if !defined(SYS_semsys)
150#define SYS_semsys 251
151#define SYS_msgsys 252
152#define SYS_shmsys 253
153#define SYS_semctl 254
154#define SYS_semget 255
155#define SYS_semop 256
156#define SYS_semconfig 257
157#define SYS_msgctl 258
158#define SYS_msgget 259
159#define SYS_msgsnd 260
160#define SYS_msgrcv 261
161#define SYS_shmat 262
162#define SYS_shmctl 263
163#define SYS_shmdt 264
164#define SYS_shmget 265
165#endif
166