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28 /*
29  * @OSF_COPYRIGHT@
30  */
31 /*
32  * Mach Operating System
33  * Copyright (c) 1991,1990,1989 Carnegie Mellon University
34  * All Rights Reserved.
35  *
36  * Permission to use, copy, modify and distribute this software and its
37  * documentation is hereby granted, provided that both the copyright
38  * notice and this permission notice appear in all copies of the
39  * software, derivative works or modified versions, and any portions
40  * thereof, and that both notices appear in supporting documentation.
41  *
42  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
43  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
44  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
45  *
46  * Carnegie Mellon requests users of this software to return to
47  *
48  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
49  *  School of Computer Science
50  *  Carnegie Mellon University
51  *  Pittsburgh PA 15213-3890
52  *
53  * any improvements or extensions that they make and grant Carnegie Mellon
54  * the rights to redistribute these changes.
55  */
56 /*
57  */
58 /*
59  *	File:	thread_status.h
60  *	Author:	Avadis Tevanian, Jr.
61  *	Date:	1985
62  *
63  *	This file contains the structure definitions for the thread
64  *	state as applied to I386 processors.
65  */
66 
67 #ifndef _MACH_I386_THREAD_STATUS_H_
68 #define _MACH_I386_THREAD_STATUS_H_
69 
70 #include <mach/machine/_structs.h>
71 #include <mach/message.h>
72 #include <mach/i386/fp_reg.h>
73 #include <mach/i386/thread_state.h>
74 #include <i386/eflags.h>
75 
76 
77 /*
78  * the i386_xxxx form is kept for legacy purposes since these types
79  * are externally known... eventually they should be deprecated.
80  * our internal implementation has moved to the following naming convention
81  *
82  *   x86_xxxx32 names are used to deal with 32 bit states
83  *   x86_xxxx64 names are used to deal with 64 bit states
84  *   x86_xxxx   names are used to deal with either 32 or 64 bit states
85  *	via a self-describing mechanism
86  */
87 
88 /*
89  * these are the legacy names which should be deprecated in the future
90  * they are externally known which is the only reason we don't just get
91  * rid of them
92  */
93 #define i386_THREAD_STATE               1
94 #define i386_FLOAT_STATE                2
95 #define i386_EXCEPTION_STATE            3
96 
97 /*
98  * THREAD_STATE_FLAVOR_LIST 0
99  *      these are the supported flavors
100  */
101 #define x86_THREAD_STATE32              1
102 #define x86_FLOAT_STATE32               2
103 #define x86_EXCEPTION_STATE32           3
104 #define x86_THREAD_STATE64              4
105 #define x86_FLOAT_STATE64               5
106 #define x86_EXCEPTION_STATE64           6
107 #define x86_THREAD_STATE                7
108 #define x86_FLOAT_STATE                 8
109 #define x86_EXCEPTION_STATE             9
110 #define x86_DEBUG_STATE32               10
111 #define x86_DEBUG_STATE64               11
112 #define x86_DEBUG_STATE                 12
113 #define THREAD_STATE_NONE               13
114 /* 14 and 15 are used for the internal x86_SAVED_STATE flavours */
115 /* Arrange for flavors to take sequential values, 32-bit, 64-bit, non-specific */
116 #define x86_AVX_STATE32                 16
117 #define x86_AVX_STATE64                 (x86_AVX_STATE32 + 1)
118 #define x86_AVX_STATE                   (x86_AVX_STATE32 + 2)
119 #define x86_AVX512_STATE32              19
120 #define x86_AVX512_STATE64              (x86_AVX512_STATE32 + 1)
121 #define x86_AVX512_STATE                (x86_AVX512_STATE32 + 2)
122 #define x86_PAGEIN_STATE                22
123 #define x86_THREAD_FULL_STATE64         23
124 #define x86_INSTRUCTION_STATE           24
125 #define x86_LAST_BRANCH_STATE           25
126 
127 /*
128  * Largest state on this machine:
129  * (be sure mach/machine/thread_state.h matches!)
130  */
131 #define THREAD_MACHINE_STATE_MAX        THREAD_STATE_MAX
132 
133 /*
134  * VALID_THREAD_STATE_FLAVOR is a platform specific macro that when passed
135  * an exception flavor will return if that is a defined flavor for that
136  * platform. The macro must be manually updated to include all of the valid
137  * exception flavors as defined above.
138  */
139 #define VALID_THREAD_STATE_FLAVOR(x)            \
140 	 ((x == x86_THREAD_STATE32)		|| \
141 	  (x == x86_FLOAT_STATE32)		|| \
142 	  (x == x86_EXCEPTION_STATE32)		|| \
143 	  (x == x86_DEBUG_STATE32)		|| \
144 	  (x == x86_THREAD_STATE64)		|| \
145 	  (x == x86_THREAD_FULL_STATE64)	|| \
146 	  (x == x86_FLOAT_STATE64)		|| \
147 	  (x == x86_EXCEPTION_STATE64)		|| \
148 	  (x == x86_DEBUG_STATE64)		|| \
149 	  (x == x86_THREAD_STATE)		|| \
150 	  (x == x86_FLOAT_STATE)		|| \
151 	  (x == x86_EXCEPTION_STATE)		|| \
152 	  (x == x86_DEBUG_STATE)		|| \
153 	  (x == x86_AVX_STATE32)		|| \
154 	  (x == x86_AVX_STATE64)		|| \
155 	  (x == x86_AVX_STATE)			|| \
156 	  (x == x86_AVX512_STATE32)		|| \
157 	  (x == x86_AVX512_STATE64)		|| \
158 	  (x == x86_AVX512_STATE)		|| \
159 	  (x == x86_PAGEIN_STATE)		|| \
160 	  (x == x86_INSTRUCTION_STATE)		|| \
161 	  (x == x86_LAST_BRANCH_STATE)		|| \
162 	  (x == THREAD_STATE_NONE))
163 
164 struct x86_state_hdr {
165 	uint32_t        flavor;
166 	uint32_t        count;
167 };
168 typedef struct x86_state_hdr x86_state_hdr_t;
169 
170 /*
171  * Default segment register values.
172  */
173 
174 #define USER_CODE_SELECTOR      0x0017
175 #define USER_DATA_SELECTOR      0x001f
176 #define KERN_CODE_SELECTOR      0x0008
177 #define KERN_DATA_SELECTOR      0x0010
178 
179 /*
180  * to be deprecated in the future
181  */
182 typedef _STRUCT_X86_THREAD_STATE32 i386_thread_state_t;
183 #define i386_THREAD_STATE_COUNT ((mach_msg_type_number_t) \
184     ( sizeof (i386_thread_state_t) / sizeof (int) ))
185 
186 typedef _STRUCT_X86_THREAD_STATE32 x86_thread_state32_t;
187 #define x86_THREAD_STATE32_COUNT        ((mach_msg_type_number_t) \
188     ( sizeof (x86_thread_state32_t) / sizeof (int) ))
189 
190 /*
191  * to be deprecated in the future
192  */
193 typedef _STRUCT_X86_FLOAT_STATE32 i386_float_state_t;
194 #define i386_FLOAT_STATE_COUNT ((mach_msg_type_number_t) \
195 	        (sizeof(i386_float_state_t)/sizeof(unsigned int)))
196 
197 typedef _STRUCT_X86_FLOAT_STATE32 x86_float_state32_t;
198 #define x86_FLOAT_STATE32_COUNT ((mach_msg_type_number_t) \
199 	        (sizeof(x86_float_state32_t)/sizeof(unsigned int)))
200 
201 typedef _STRUCT_X86_AVX_STATE32 x86_avx_state32_t;
202 #define x86_AVX_STATE32_COUNT ((mach_msg_type_number_t) \
203 	        (sizeof(x86_avx_state32_t)/sizeof(unsigned int)))
204 
205 typedef _STRUCT_X86_AVX512_STATE32 x86_avx512_state32_t;
206 #define x86_AVX512_STATE32_COUNT ((mach_msg_type_number_t) \
207 	        (sizeof(x86_avx512_state32_t)/sizeof(unsigned int)))
208 
209 /*
210  * to be deprecated in the future
211  */
212 typedef _STRUCT_X86_EXCEPTION_STATE32 i386_exception_state_t;
213 #define i386_EXCEPTION_STATE_COUNT      ((mach_msg_type_number_t) \
214     ( sizeof (i386_exception_state_t) / sizeof (int) ))
215 
216 typedef _STRUCT_X86_EXCEPTION_STATE32 x86_exception_state32_t;
217 #define x86_EXCEPTION_STATE32_COUNT     ((mach_msg_type_number_t) \
218     ( sizeof (x86_exception_state32_t) / sizeof (int) ))
219 
220 #define I386_EXCEPTION_STATE_COUNT i386_EXCEPTION_STATE_COUNT
221 
222 typedef _STRUCT_X86_DEBUG_STATE32 x86_debug_state32_t;
223 #define x86_DEBUG_STATE32_COUNT       ((mach_msg_type_number_t) \
224 	( sizeof (x86_debug_state32_t) / sizeof (int) ))
225 
226 #define X86_DEBUG_STATE32_COUNT x86_DEBUG_STATE32_COUNT
227 
228 typedef _STRUCT_X86_THREAD_STATE64 x86_thread_state64_t;
229 #define x86_THREAD_STATE64_COUNT        ((mach_msg_type_number_t) \
230     ( sizeof (x86_thread_state64_t) / sizeof (int) ))
231 
232 typedef _STRUCT_X86_THREAD_FULL_STATE64 x86_thread_full_state64_t;
233 #define x86_THREAD_FULL_STATE64_COUNT   ((mach_msg_type_number_t) \
234     ( sizeof (x86_thread_full_state64_t) / sizeof (int) ))
235 
236 typedef _STRUCT_X86_FLOAT_STATE64 x86_float_state64_t;
237 #define x86_FLOAT_STATE64_COUNT ((mach_msg_type_number_t) \
238 	        (sizeof(x86_float_state64_t)/sizeof(unsigned int)))
239 
240 typedef _STRUCT_X86_AVX_STATE64 x86_avx_state64_t;
241 #define x86_AVX_STATE64_COUNT ((mach_msg_type_number_t) \
242 	        (sizeof(x86_avx_state64_t)/sizeof(unsigned int)))
243 
244 typedef _STRUCT_X86_AVX512_STATE64 x86_avx512_state64_t;
245 #define x86_AVX512_STATE64_COUNT ((mach_msg_type_number_t) \
246 	        (sizeof(x86_avx512_state64_t)/sizeof(unsigned int)))
247 
248 typedef _STRUCT_X86_EXCEPTION_STATE64 x86_exception_state64_t;
249 #define x86_EXCEPTION_STATE64_COUNT     ((mach_msg_type_number_t) \
250     ( sizeof (x86_exception_state64_t) / sizeof (int) ))
251 
252 #define X86_EXCEPTION_STATE64_COUNT x86_EXCEPTION_STATE64_COUNT
253 
254 typedef _STRUCT_X86_DEBUG_STATE64 x86_debug_state64_t;
255 #define x86_DEBUG_STATE64_COUNT ((mach_msg_type_number_t) \
256     ( sizeof (x86_debug_state64_t) / sizeof (int) ))
257 
258 #define X86_DEBUG_STATE64_COUNT x86_DEBUG_STATE64_COUNT
259 
260 typedef _STRUCT_X86_PAGEIN_STATE x86_pagein_state_t;
261 #define x86_PAGEIN_STATE_COUNT \
262     ((mach_msg_type_number_t)(sizeof(x86_pagein_state_t) / sizeof(int)))
263 
264 #define X86_PAGEIN_STATE_COUNT x86_PAGEIN_STATE_COUNT
265 
266 typedef _STRUCT_X86_INSTRUCTION_STATE x86_instruction_state_t;
267 #define x86_INSTRUCTION_STATE_COUNT \
268     ((mach_msg_type_number_t)(sizeof(x86_instruction_state_t) / sizeof(int)))
269 
270 #define X86_INSTRUCTION_STATE_COUNT x86_INSTRUCTION_STATE_COUNT
271 
272 typedef _STRUCT_LAST_BRANCH_STATE last_branch_state_t;
273 #define x86_LAST_BRANCH_STATE_COUNT \
274     ((mach_msg_type_number_t)(sizeof(last_branch_state_t) / sizeof(int)))
275 
276 #define X86_LAST_BRANCH_STATE_COUNT x86_LAST_BRANCH_STATE_COUNT
277 
278 
279 /*
280  * Combined thread, float and exception states
281  */
282 struct x86_thread_state {
283 	x86_state_hdr_t                 tsh;
284 	union {
285 		x86_thread_state32_t        ts32;
286 		x86_thread_state64_t        ts64;
287 	} uts;
288 };
289 
290 struct x86_float_state {
291 	x86_state_hdr_t                 fsh;
292 	union {
293 		x86_float_state32_t     fs32;
294 		x86_float_state64_t     fs64;
295 	} ufs;
296 };
297 
298 struct x86_exception_state {
299 	x86_state_hdr_t                 esh;
300 	union {
301 		x86_exception_state32_t es32;
302 		x86_exception_state64_t es64;
303 	} ues;
304 };
305 
306 struct x86_debug_state {
307 	x86_state_hdr_t                 dsh;
308 	union {
309 		x86_debug_state32_t     ds32;
310 		x86_debug_state64_t     ds64;
311 	} uds;
312 };
313 
314 struct x86_avx_state {
315 	x86_state_hdr_t                 ash;
316 	union {
317 		x86_avx_state32_t       as32;
318 		x86_avx_state64_t       as64;
319 	} ufs;
320 };
321 
322 struct x86_avx512_state {
323 	x86_state_hdr_t                 ash;
324 	union {
325 		x86_avx512_state32_t    as32;
326 		x86_avx512_state64_t    as64;
327 	} ufs;
328 };
329 
330 typedef struct x86_thread_state x86_thread_state_t;
331 #define x86_THREAD_STATE_COUNT  ((mach_msg_type_number_t) \
332 	        ( sizeof (x86_thread_state_t) / sizeof (int) ))
333 
334 typedef struct x86_float_state x86_float_state_t;
335 #define x86_FLOAT_STATE_COUNT ((mach_msg_type_number_t) \
336 	        (sizeof(x86_float_state_t)/sizeof(unsigned int)))
337 
338 typedef struct x86_exception_state x86_exception_state_t;
339 #define x86_EXCEPTION_STATE_COUNT ((mach_msg_type_number_t) \
340 	        (sizeof(x86_exception_state_t)/sizeof(unsigned int)))
341 
342 typedef struct x86_debug_state x86_debug_state_t;
343 #define x86_DEBUG_STATE_COUNT ((mach_msg_type_number_t) \
344 	        (sizeof(x86_debug_state_t)/sizeof(unsigned int)))
345 
346 typedef struct x86_avx_state x86_avx_state_t;
347 #define x86_AVX_STATE_COUNT ((mach_msg_type_number_t) \
348 	        (sizeof(x86_avx_state_t)/sizeof(unsigned int)))
349 
350 typedef struct x86_avx512_state x86_avx512_state_t;
351 #define x86_AVX512_STATE_COUNT ((mach_msg_type_number_t) \
352 	        (sizeof(x86_avx512_state_t)/sizeof(unsigned int)))
353 
354 /*
355  * Machine-independent way for servers and Mach's exception mechanism to
356  * choose the most efficient state flavor for exception RPC's:
357  */
358 #define MACHINE_THREAD_STATE            x86_THREAD_STATE
359 #define MACHINE_THREAD_STATE_COUNT      x86_THREAD_STATE_COUNT
360 
361 
362 #endif  /* _MACH_I386_THREAD_STATUS_H_ */