|
111
|
1 /* XL compiler Hardware Transactional Memory (HTM) execution intrinsics.
|
|
|
2 Copyright (C) 2013-2017 Free Software Foundation, Inc.
|
|
|
3 Contributed by Peter Bergner <bergner@vnet.ibm.com>.
|
|
|
4
|
|
|
5 This file is free software; you can redistribute it and/or modify it under
|
|
|
6 the terms of the GNU General Public License as published by the Free
|
|
|
7 Software Foundation; either version 3 of the License, or (at your option)
|
|
|
8 any later version.
|
|
|
9
|
|
|
10 This file is distributed in the hope that it will be useful, but WITHOUT
|
|
|
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
|
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
|
13 for more details.
|
|
|
14
|
|
|
15 Under Section 7 of GPL version 3, you are granted additional
|
|
|
16 permissions described in the GCC Runtime Library Exception, version
|
|
|
17 3.1, as published by the Free Software Foundation.
|
|
|
18
|
|
|
19 You should have received a copy of the GNU General Public License and
|
|
|
20 a copy of the GCC Runtime Library Exception along with this program;
|
|
|
21 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
|
|
|
22 <http://www.gnu.org/licenses/>. */
|
|
|
23
|
|
|
24 #ifndef __HTM__
|
|
|
25 # error "HTM instruction set not enabled"
|
|
|
26 #endif /* __HTM__ */
|
|
|
27
|
|
|
28 #ifndef _HTMXLINTRIN_H
|
|
|
29 #define _HTMXLINTRIN_H
|
|
|
30
|
|
|
31 #include <stdint.h>
|
|
|
32 #include <htmintrin.h>
|
|
|
33
|
|
|
34 #ifdef __cplusplus
|
|
|
35 extern "C" {
|
|
|
36 #endif
|
|
|
37
|
|
|
38 #define _TEXASR_PTR(TM_BUF) \
|
|
|
39 ((texasr_t *)((TM_BUF)+0))
|
|
|
40 #define _TEXASRU_PTR(TM_BUF) \
|
|
|
41 ((texasru_t *)((TM_BUF)+0))
|
|
|
42 #define _TEXASRL_PTR(TM_BUF) \
|
|
|
43 ((texasrl_t *)((TM_BUF)+4))
|
|
|
44 #define _TFIAR_PTR(TM_BUF) \
|
|
|
45 ((tfiar_t *)((TM_BUF)+8))
|
|
|
46
|
|
|
47 typedef char TM_buff_type[16];
|
|
|
48
|
|
|
49 /* Compatibility macro with s390. This macro can be used to determine
|
|
|
50 whether a transaction was successfully started from the __TM_begin()
|
|
|
51 and __TM_simple_begin() intrinsic functions below. */
|
|
|
52 #define _HTM_TBEGIN_STARTED 1
|
|
|
53
|
|
|
54 extern __inline long
|
|
|
55 __attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
|
|
|
56 __TM_simple_begin (void)
|
|
|
57 {
|
|
|
58 if (__builtin_expect (__builtin_tbegin (0), 1))
|
|
|
59 return _HTM_TBEGIN_STARTED;
|
|
|
60 return 0;
|
|
|
61 }
|
|
|
62
|
|
|
63 extern __inline long
|
|
|
64 __attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
|
|
|
65 __TM_begin (void* const TM_buff)
|
|
|
66 {
|
|
|
67 *_TEXASRL_PTR (TM_buff) = 0;
|
|
|
68 if (__builtin_expect (__builtin_tbegin (0), 1))
|
|
|
69 return _HTM_TBEGIN_STARTED;
|
|
|
70 #ifdef __powerpc64__
|
|
|
71 *_TEXASR_PTR (TM_buff) = __builtin_get_texasr ();
|
|
|
72 #else
|
|
|
73 *_TEXASRU_PTR (TM_buff) = __builtin_get_texasru ();
|
|
|
74 *_TEXASRL_PTR (TM_buff) = __builtin_get_texasr ();
|
|
|
75 #endif
|
|
|
76 *_TFIAR_PTR (TM_buff) = __builtin_get_tfiar ();
|
|
|
77 return 0;
|
|
|
78 }
|
|
|
79
|
|
|
80 extern __inline long
|
|
|
81 __attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
|
|
|
82 __TM_end (void)
|
|
|
83 {
|
|
|
84 unsigned char status = _HTM_STATE (__builtin_tend (0));
|
|
|
85 if (__builtin_expect (status, _HTM_TRANSACTIONAL))
|
|
|
86 return 1;
|
|
|
87 return 0;
|
|
|
88 }
|
|
|
89
|
|
|
90 extern __inline void
|
|
|
91 __attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
|
|
|
92 __TM_abort (void)
|
|
|
93 {
|
|
|
94 __builtin_tabort (0);
|
|
|
95 }
|
|
|
96
|
|
|
97 extern __inline void
|
|
|
98 __attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
|
|
|
99 __TM_named_abort (unsigned char const code)
|
|
|
100 {
|
|
|
101 __builtin_tabort (code);
|
|
|
102 }
|
|
|
103
|
|
|
104 extern __inline void
|
|
|
105 __attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
|
|
|
106 __TM_resume (void)
|
|
|
107 {
|
|
|
108 __builtin_tresume ();
|
|
|
109 }
|
|
|
110
|
|
|
111 extern __inline void
|
|
|
112 __attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
|
|
|
113 __TM_suspend (void)
|
|
|
114 {
|
|
|
115 __builtin_tsuspend ();
|
|
|
116 }
|
|
|
117
|
|
|
118 extern __inline long
|
|
|
119 __attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
|
|
|
120 __TM_is_user_abort (void* const TM_buff)
|
|
|
121 {
|
|
|
122 texasru_t texasru = *_TEXASRU_PTR (TM_buff);
|
|
|
123 return _TEXASRU_ABORT (texasru);
|
|
|
124 }
|
|
|
125
|
|
|
126 extern __inline long
|
|
|
127 __attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
|
|
|
128 __TM_is_named_user_abort (void* const TM_buff, unsigned char *code)
|
|
|
129 {
|
|
|
130 texasru_t texasru = *_TEXASRU_PTR (TM_buff);
|
|
|
131
|
|
|
132 *code = _TEXASRU_FAILURE_CODE (texasru);
|
|
|
133 return _TEXASRU_ABORT (texasru);
|
|
|
134 }
|
|
|
135
|
|
|
136 extern __inline long
|
|
|
137 __attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
|
|
|
138 __TM_is_illegal (void* const TM_buff)
|
|
|
139 {
|
|
|
140 texasru_t texasru = *_TEXASRU_PTR (TM_buff);
|
|
|
141 return _TEXASRU_DISALLOWED (texasru);
|
|
|
142 }
|
|
|
143
|
|
|
144 extern __inline long
|
|
|
145 __attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
|
|
|
146 __TM_is_footprint_exceeded (void* const TM_buff)
|
|
|
147 {
|
|
|
148 texasru_t texasru = *_TEXASRU_PTR (TM_buff);
|
|
|
149 return _TEXASRU_FOOTPRINT_OVERFLOW (texasru);
|
|
|
150 }
|
|
|
151
|
|
|
152 extern __inline long
|
|
|
153 __attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
|
|
|
154 __TM_nesting_depth (void* const TM_buff)
|
|
|
155 {
|
|
|
156 texasrl_t texasrl;
|
|
|
157
|
|
|
158 if (_HTM_STATE (__builtin_ttest ()) == _HTM_NONTRANSACTIONAL)
|
|
|
159 {
|
|
|
160 texasrl = *_TEXASRL_PTR (TM_buff);
|
|
|
161 if (!_TEXASR_FAILURE_SUMMARY (texasrl))
|
|
|
162 texasrl = 0;
|
|
|
163 }
|
|
|
164 else
|
|
|
165 texasrl = (texasrl_t) __builtin_get_texasr ();
|
|
|
166
|
|
|
167 return _TEXASR_TRANSACTION_LEVEL (texasrl);
|
|
|
168 }
|
|
|
169
|
|
|
170 extern __inline long
|
|
|
171 __attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
|
|
|
172 __TM_is_nested_too_deep(void* const TM_buff)
|
|
|
173 {
|
|
|
174 texasru_t texasru = *_TEXASRU_PTR (TM_buff);
|
|
|
175 return _TEXASRU_NESTING_OVERFLOW (texasru);
|
|
|
176 }
|
|
|
177
|
|
|
178 extern __inline long
|
|
|
179 __attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
|
|
|
180 __TM_is_conflict(void* const TM_buff)
|
|
|
181 {
|
|
|
182 texasru_t texasru = *_TEXASRU_PTR (TM_buff);
|
|
|
183 /* Return TEXASR bits 11 (Self-Induced Conflict) through
|
|
|
184 14 (Translation Invalidation Conflict). */
|
|
|
185 return (_TEXASRU_EXTRACT_BITS (texasru, 14, 4)) ? 1 : 0;
|
|
|
186 }
|
|
|
187
|
|
|
188 extern __inline long
|
|
|
189 __attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
|
|
|
190 __TM_is_failure_persistent(void* const TM_buff)
|
|
|
191 {
|
|
|
192 texasru_t texasru = *_TEXASRU_PTR (TM_buff);
|
|
|
193 return _TEXASRU_FAILURE_PERSISTENT (texasru);
|
|
|
194 }
|
|
|
195
|
|
|
196 extern __inline long
|
|
|
197 __attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
|
|
|
198 __TM_failure_address(void* const TM_buff)
|
|
|
199 {
|
|
|
200 return *_TFIAR_PTR (TM_buff);
|
|
|
201 }
|
|
|
202
|
|
|
203 extern __inline long long
|
|
|
204 __attribute__ ((__gnu_inline__, __always_inline__, __artificial__))
|
|
|
205 __TM_failure_code(void* const TM_buff)
|
|
|
206 {
|
|
|
207 return *_TEXASR_PTR (TM_buff);
|
|
|
208 }
|
|
|
209
|
|
|
210 #ifdef __cplusplus
|
|
|
211 }
|
|
|
212 #endif
|
|
|
213
|
|
|
214 #endif /* _HTMXLINTRIN_H */
|
