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A		 1/*
2 * Copyright (c) 2004 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28/*
29 * @OSF_COPYRIGHT@
30 */
31
32#ifndef _MACH_PPC__STRUCTS_H_
33#define _MACH_PPC__STRUCTS_H_
34
35#include <sys/cdefs.h>
36
37/*
38 * ppc_thread_state is the structure that is exported to user threads for
39 * use in status/mutate calls. This structure should never change.
40 *
41 */
42
43#if __DARWIN_UNIX03
44#define _STRUCT_PPC_THREAD_STATE struct __darwin_ppc_thread_state
45_STRUCT_PPC_THREAD_STATE
46{
47 unsigned int __srr0; /* Instruction address register (PC) */
48 unsigned int __srr1; /* Machine state register (supervisor) */
49 unsigned int __r0;
50 unsigned int __r1;
51 unsigned int __r2;
52 unsigned int __r3;
53 unsigned int __r4;
54 unsigned int __r5;
55 unsigned int __r6;
56 unsigned int __r7;
57 unsigned int __r8;
58 unsigned int __r9;
59 unsigned int __r10;
60 unsigned int __r11;
61 unsigned int __r12;
62 unsigned int __r13;
63 unsigned int __r14;
64 unsigned int __r15;
65 unsigned int __r16;
66 unsigned int __r17;
67 unsigned int __r18;
68 unsigned int __r19;
69 unsigned int __r20;
70 unsigned int __r21;
71 unsigned int __r22;
72 unsigned int __r23;
73 unsigned int __r24;
74 unsigned int __r25;
75 unsigned int __r26;
76 unsigned int __r27;
77 unsigned int __r28;
78 unsigned int __r29;
79 unsigned int __r30;
80 unsigned int __r31;
81
82 unsigned int __cr; /* Condition register */
83 unsigned int __xer; /* User's integer exception register */
84 unsigned int __lr; /* Link register */
85 unsigned int __ctr; /* Count register */
86 unsigned int __mq; /* MQ register (601 only) */
87
88 unsigned int __vrsave; /* Vector Save Register */
89};
90#else /* !__DARWIN_UNIX03 */
91#define _STRUCT_PPC_THREAD_STATE struct ppc_thread_state
92_STRUCT_PPC_THREAD_STATE
93{
94 unsigned int srr0; /* Instruction address register (PC) */
95 unsigned int srr1; /* Machine state register (supervisor) */
96 unsigned int r0;
97 unsigned int r1;
98 unsigned int r2;
99 unsigned int r3;
100 unsigned int r4;
101 unsigned int r5;
102 unsigned int r6;
103 unsigned int r7;
104 unsigned int r8;
105 unsigned int r9;
106 unsigned int r10;
107 unsigned int r11;
108 unsigned int r12;
109 unsigned int r13;
110 unsigned int r14;
111 unsigned int r15;
112 unsigned int r16;
113 unsigned int r17;
114 unsigned int r18;
115 unsigned int r19;
116 unsigned int r20;
117 unsigned int r21;
118 unsigned int r22;
119 unsigned int r23;
120 unsigned int r24;
121 unsigned int r25;
122 unsigned int r26;
123 unsigned int r27;
124 unsigned int r28;
125 unsigned int r29;
126 unsigned int r30;
127 unsigned int r31;
128
129 unsigned int cr; /* Condition register */
130 unsigned int xer; /* User's integer exception register */
131 unsigned int lr; /* Link register */
132 unsigned int ctr; /* Count register */
133 unsigned int mq; /* MQ register (601 only) */
134
135 unsigned int vrsave; /* Vector Save Register */
136};
137#endif /* __DARWIN_UNIX03 */
138
139#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
140
141#pragma pack(4) /* Make sure the structure stays as we defined it */
142
143#if __DARWIN_UNIX03
144#define _STRUCT_PPC_THREAD_STATE64 struct __darwin_ppc_thread_state64
145_STRUCT_PPC_THREAD_STATE64
146{
147 unsigned long long __srr0; /* Instruction address register (PC) */
148 unsigned long long __srr1; /* Machine state register (supervisor) */
149 unsigned long long __r0;
150 unsigned long long __r1;
151 unsigned long long __r2;
152 unsigned long long __r3;
153 unsigned long long __r4;
154 unsigned long long __r5;
155 unsigned long long __r6;
156 unsigned long long __r7;
157 unsigned long long __r8;
158 unsigned long long __r9;
159 unsigned long long __r10;
160 unsigned long long __r11;
161 unsigned long long __r12;
162 unsigned long long __r13;
163 unsigned long long __r14;
164 unsigned long long __r15;
165 unsigned long long __r16;
166 unsigned long long __r17;
167 unsigned long long __r18;
168 unsigned long long __r19;
169 unsigned long long __r20;
170 unsigned long long __r21;
171 unsigned long long __r22;
172 unsigned long long __r23;
173 unsigned long long __r24;
174 unsigned long long __r25;
175 unsigned long long __r26;
176 unsigned long long __r27;
177 unsigned long long __r28;
178 unsigned long long __r29;
179 unsigned long long __r30;
180 unsigned long long __r31;
181
182 unsigned int __cr; /* Condition register */
183 unsigned long long __xer; /* User's integer exception register */
184 unsigned long long __lr; /* Link register */
185 unsigned long long __ctr; /* Count register */
186
187 unsigned int __vrsave; /* Vector Save Register */
188};
189#else /* !__DARWIN_UNIX03 */
190#define _STRUCT_PPC_THREAD_STATE64 struct ppc_thread_state64
191_STRUCT_PPC_THREAD_STATE64
192{
193 unsigned long long srr0; /* Instruction address register (PC) */
194 unsigned long long srr1; /* Machine state register (supervisor) */
195 unsigned long long r0;
196 unsigned long long r1;
197 unsigned long long r2;
198 unsigned long long r3;
199 unsigned long long r4;
200 unsigned long long r5;
201 unsigned long long r6;
202 unsigned long long r7;
203 unsigned long long r8;
204 unsigned long long r9;
205 unsigned long long r10;
206 unsigned long long r11;
207 unsigned long long r12;
208 unsigned long long r13;
209 unsigned long long r14;
210 unsigned long long r15;
211 unsigned long long r16;
212 unsigned long long r17;
213 unsigned long long r18;
214 unsigned long long r19;
215 unsigned long long r20;
216 unsigned long long r21;
217 unsigned long long r22;
218 unsigned long long r23;
219 unsigned long long r24;
220 unsigned long long r25;
221 unsigned long long r26;
222 unsigned long long r27;
223 unsigned long long r28;
224 unsigned long long r29;
225 unsigned long long r30;
226 unsigned long long r31;
227
228 unsigned int cr; /* Condition register */
229 unsigned long long xer; /* User's integer exception register */
230 unsigned long long lr; /* Link register */
231 unsigned long long ctr; /* Count register */
232
233 unsigned int vrsave; /* Vector Save Register */
234};
235#endif /* __DARWIN_UNIX03 */
236
237#pragma pack()
238
239#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */
240
241/* This structure should be double-word aligned for performance */
242
243#if __DARWIN_UNIX03
244#define _STRUCT_PPC_FLOAT_STATE struct __darwin_ppc_float_state
245_STRUCT_PPC_FLOAT_STATE
246{
247 double __fpregs[32];
248
249 unsigned int __fpscr_pad; /* fpscr is 64 bits, 32 bits of rubbish */
250 unsigned int __fpscr; /* floating point status register */
251};
252#else /* !__DARWIN_UNIX03 */
253#define _STRUCT_PPC_FLOAT_STATE struct ppc_float_state
254_STRUCT_PPC_FLOAT_STATE
255{
256 double fpregs[32];
257
258 unsigned int fpscr_pad; /* fpscr is 64 bits, 32 bits of rubbish */
259 unsigned int fpscr; /* floating point status register */
260};
261#endif /* __DARWIN_UNIX03 */
262
263#pragma pack(4) /* Make sure the structure stays as we defined it */
264
265#if __DARWIN_UNIX03
266#define _STRUCT_PPC_VECTOR_STATE struct __darwin_ppc_vector_state
267_STRUCT_PPC_VECTOR_STATE
268{
269#if defined(__LP64__)
270 unsigned int __save_vr[32][4];
271 unsigned int __save_vscr[4];
272#else
273 unsigned long __save_vr[32][4];
274 unsigned long __save_vscr[4];
275#endif
276 unsigned int __save_pad5[4];
277 unsigned int __save_vrvalid; /* VRs that have been saved */
278 unsigned int __save_pad6[7];
279};
280#else /* !__DARWIN_UNIX03 */
281#define _STRUCT_PPC_VECTOR_STATE struct ppc_vector_state
282_STRUCT_PPC_VECTOR_STATE
283{
284#if defined(__LP64__)
285 unsigned int save_vr[32][4];
286 unsigned int save_vscr[4];
287#else
288 unsigned long save_vr[32][4];
289 unsigned long save_vscr[4];
290#endif
291 unsigned int save_pad5[4];
292 unsigned int save_vrvalid; /* VRs that have been saved */
293 unsigned int save_pad6[7];
294};
295#endif /* __DARWIN_UNIX03 */
296
297#pragma pack()
298
299/*
300 * ppc_exception_state
301 *
302 * This structure corresponds to some additional state of the user
303 * registers as saved in the PCB upon kernel entry. They are only
304 * available if an exception is passed out of the kernel, and even
305 * then not all are guaranteed to be updated.
306 *
307 * Some padding is included in this structure which allows space for
308 * servers to store temporary values if need be, to maintain binary
309 * compatiblity.
310 */
311
312/* Exception state for 32-bit thread (on 32-bit processor) */
313/* Still available on 64-bit processors, but may fall short */
314/* of covering the full potential state (hi half available). */
315
316#pragma pack(4) /* Make sure the structure stays as we defined it */
317
318#if __DARWIN_UNIX03
319#define _STRUCT_PPC_EXCEPTION_STATE struct __darwin_ppc_exception_state
320_STRUCT_PPC_EXCEPTION_STATE
321{
322#if defined(__LP64__)
323 unsigned int __dar; /* Fault registers for coredump */
324 unsigned int __dsisr;
325 unsigned int __exception; /* number of powerpc exception taken */
326 unsigned int __pad0; /* align to 16 bytes */
327 unsigned int __pad1[4]; /* space in PCB "just in case" */
328#else
329 unsigned long __dar; /* Fault registers for coredump */
330 unsigned long __dsisr;
331 unsigned long __exception; /* number of powerpc exception taken */
332 unsigned long __pad0; /* align to 16 bytes */
333 unsigned long __pad1[4]; /* space in PCB "just in case" */
334#endif
335};
336#else /* !__DARWIN_UNIX03 */
337#define _STRUCT_PPC_EXCEPTION_STATE struct ppc_exception_state
338_STRUCT_PPC_EXCEPTION_STATE
339{
340#if defined(__LP64__)
341 unsigned int dar; /* Fault registers for coredump */
342 unsigned int dsisr;
343 unsigned int exception; /* number of powerpc exception taken */
344 unsigned int pad0; /* align to 16 bytes */
345 unsigned int pad1[4]; /* space in PCB "just in case" */
346#else
347 unsigned long dar; /* Fault registers for coredump */
348 unsigned long dsisr;
349 unsigned long exception; /* number of powerpc exception taken */
350 unsigned long pad0; /* align to 16 bytes */
351 unsigned long pad1[4]; /* space in PCB "just in case" */
352#endif
353};
354#endif /* __DARWIN_UNIX03 */
355
356#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
357#if __DARWIN_UNIX03
358#define _STRUCT_PPC_EXCEPTION_STATE64 struct __darwin_ppc_exception_state64
359_STRUCT_PPC_EXCEPTION_STATE64
360{
361 unsigned long long __dar; /* Fault registers for coredump */
362#if defined(__LP64__)
363 unsigned int __dsisr;
364 unsigned int __exception; /* number of powerpc exception taken */
365 unsigned int __pad1[4]; /* space in PCB "just in case" */
366#else
367 unsigned long __dsisr;
368 unsigned long __exception; /* number of powerpc exception taken */
369 unsigned long __pad1[4]; /* space in PCB "just in case" */
370#endif
371};
372#else /* !__DARWIN_UNIX03 */
373#define _STRUCT_PPC_EXCEPTION_STATE64 struct ppc_exception_state64
374_STRUCT_PPC_EXCEPTION_STATE64
375{
376 unsigned long long dar; /* Fault registers for coredump */
377#if defined(__LP64__)
378 unsigned int dsisr;
379 unsigned int exception; /* number of powerpc exception taken */
380 unsigned int pad1[4]; /* space in PCB "just in case" */
381#else
382 unsigned long dsisr;
383 unsigned long exception; /* number of powerpc exception taken */
384 unsigned long pad1[4]; /* space in PCB "just in case" */
385#endif
386};
387#endif /* __DARWIN_UNIX03 */
388#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */
389
390#pragma pack()
391
392#endif /* _MACH_PPC__STRUCTS_H_ */
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