1 | /*===---- htmintrin.h - Standard header for PowerPC HTM ---------------===*\ |
2 | * |
3 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
4 | * of this software and associated documentation files (the "Software"), to deal |
5 | * in the Software without restriction, including without limitation the rights |
6 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
7 | * copies of the Software, and to permit persons to whom the Software is |
8 | * furnished to do so, subject to the following conditions: |
9 | * |
10 | * The above copyright notice and this permission notice shall be included in |
11 | * all copies or substantial portions of the Software. |
12 | * |
13 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
14 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
15 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
16 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
17 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
18 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
19 | * THE SOFTWARE. |
20 | * |
21 | \*===----------------------------------------------------------------------===*/ |
22 | |
23 | #ifndef __HTMINTRIN_H |
24 | #define __HTMINTRIN_H |
25 | |
26 | #ifndef __HTM__ |
27 | #error "HTM instruction set not enabled" |
28 | #endif |
29 | |
30 | #ifdef __powerpc__ |
31 | |
32 | #include <stdint.h> |
33 | |
34 | typedef uint64_t texasr_t; |
35 | typedef uint32_t texasru_t; |
36 | typedef uint32_t texasrl_t; |
37 | typedef uintptr_t tfiar_t; |
38 | typedef uintptr_t tfhar_t; |
39 | |
40 | #define _HTM_STATE(CR0) ((CR0 >> 1) & 0x3) |
41 | #define _HTM_NONTRANSACTIONAL 0x0 |
42 | #define _HTM_SUSPENDED 0x1 |
43 | #define _HTM_TRANSACTIONAL 0x2 |
44 | |
45 | #define _TEXASR_EXTRACT_BITS(TEXASR,BITNUM,SIZE) \ |
46 | (((TEXASR) >> (63-(BITNUM))) & ((1<<(SIZE))-1)) |
47 | #define _TEXASRU_EXTRACT_BITS(TEXASR,BITNUM,SIZE) \ |
48 | (((TEXASR) >> (31-(BITNUM))) & ((1<<(SIZE))-1)) |
49 | |
50 | #define _TEXASR_FAILURE_CODE(TEXASR) \ |
51 | _TEXASR_EXTRACT_BITS(TEXASR, 7, 8) |
52 | #define _TEXASRU_FAILURE_CODE(TEXASRU) \ |
53 | _TEXASRU_EXTRACT_BITS(TEXASRU, 7, 8) |
54 | |
55 | #define _TEXASR_FAILURE_PERSISTENT(TEXASR) \ |
56 | _TEXASR_EXTRACT_BITS(TEXASR, 7, 1) |
57 | #define _TEXASRU_FAILURE_PERSISTENT(TEXASRU) \ |
58 | _TEXASRU_EXTRACT_BITS(TEXASRU, 7, 1) |
59 | |
60 | #define _TEXASR_DISALLOWED(TEXASR) \ |
61 | _TEXASR_EXTRACT_BITS(TEXASR, 8, 1) |
62 | #define _TEXASRU_DISALLOWED(TEXASRU) \ |
63 | _TEXASRU_EXTRACT_BITS(TEXASRU, 8, 1) |
64 | |
65 | #define _TEXASR_NESTING_OVERFLOW(TEXASR) \ |
66 | _TEXASR_EXTRACT_BITS(TEXASR, 9, 1) |
67 | #define _TEXASRU_NESTING_OVERFLOW(TEXASRU) \ |
68 | _TEXASRU_EXTRACT_BITS(TEXASRU, 9, 1) |
69 | |
70 | #define _TEXASR_FOOTPRINT_OVERFLOW(TEXASR) \ |
71 | _TEXASR_EXTRACT_BITS(TEXASR, 10, 1) |
72 | #define _TEXASRU_FOOTPRINT_OVERFLOW(TEXASRU) \ |
73 | _TEXASRU_EXTRACT_BITS(TEXASRU, 10, 1) |
74 | |
75 | #define _TEXASR_SELF_INDUCED_CONFLICT(TEXASR) \ |
76 | _TEXASR_EXTRACT_BITS(TEXASR, 11, 1) |
77 | #define _TEXASRU_SELF_INDUCED_CONFLICT(TEXASRU) \ |
78 | _TEXASRU_EXTRACT_BITS(TEXASRU, 11, 1) |
79 | |
80 | #define _TEXASR_NON_TRANSACTIONAL_CONFLICT(TEXASR) \ |
81 | _TEXASR_EXTRACT_BITS(TEXASR, 12, 1) |
82 | #define _TEXASRU_NON_TRANSACTIONAL_CONFLICT(TEXASRU) \ |
83 | _TEXASRU_EXTRACT_BITS(TEXASRU, 12, 1) |
84 | |
85 | #define _TEXASR_TRANSACTION_CONFLICT(TEXASR) \ |
86 | _TEXASR_EXTRACT_BITS(TEXASR, 13, 1) |
87 | #define _TEXASRU_TRANSACTION_CONFLICT(TEXASRU) \ |
88 | _TEXASRU_EXTRACT_BITS(TEXASRU, 13, 1) |
89 | |
90 | #define _TEXASR_TRANSLATION_INVALIDATION_CONFLICT(TEXASR) \ |
91 | _TEXASR_EXTRACT_BITS(TEXASR, 14, 1) |
92 | #define _TEXASRU_TRANSLATION_INVALIDATION_CONFLICT(TEXASRU) \ |
93 | _TEXASRU_EXTRACT_BITS(TEXASRU, 14, 1) |
94 | |
95 | #define _TEXASR_IMPLEMENTAION_SPECIFIC(TEXASR) \ |
96 | _TEXASR_EXTRACT_BITS(TEXASR, 15, 1) |
97 | #define _TEXASRU_IMPLEMENTAION_SPECIFIC(TEXASRU) \ |
98 | _TEXASRU_EXTRACT_BITS(TEXASRU, 15, 1) |
99 | |
100 | #define _TEXASR_INSTRUCTION_FETCH_CONFLICT(TEXASR) \ |
101 | _TEXASR_EXTRACT_BITS(TEXASR, 16, 1) |
102 | #define _TEXASRU_INSTRUCTION_FETCH_CONFLICT(TEXASRU) \ |
103 | _TEXASRU_EXTRACT_BITS(TEXASRU, 16, 1) |
104 | |
105 | #define _TEXASR_ABORT(TEXASR) \ |
106 | _TEXASR_EXTRACT_BITS(TEXASR, 31, 1) |
107 | #define _TEXASRU_ABORT(TEXASRU) \ |
108 | _TEXASRU_EXTRACT_BITS(TEXASRU, 31, 1) |
109 | |
110 | |
111 | #define _TEXASR_SUSPENDED(TEXASR) \ |
112 | _TEXASR_EXTRACT_BITS(TEXASR, 32, 1) |
113 | |
114 | #define _TEXASR_PRIVILEGE(TEXASR) \ |
115 | _TEXASR_EXTRACT_BITS(TEXASR, 35, 2) |
116 | |
117 | #define _TEXASR_FAILURE_SUMMARY(TEXASR) \ |
118 | _TEXASR_EXTRACT_BITS(TEXASR, 36, 1) |
119 | |
120 | #define _TEXASR_TFIAR_EXACT(TEXASR) \ |
121 | _TEXASR_EXTRACT_BITS(TEXASR, 37, 1) |
122 | |
123 | #define _TEXASR_ROT(TEXASR) \ |
124 | _TEXASR_EXTRACT_BITS(TEXASR, 38, 1) |
125 | |
126 | #define _TEXASR_TRANSACTION_LEVEL(TEXASR) \ |
127 | _TEXASR_EXTRACT_BITS(TEXASR, 63, 12) |
128 | |
129 | #endif /* __powerpc */ |
130 | |
131 | #ifdef __s390__ |
132 | |
133 | /* Condition codes generated by tbegin */ |
134 | #define _HTM_TBEGIN_STARTED 0 |
135 | #define _HTM_TBEGIN_INDETERMINATE 1 |
136 | #define _HTM_TBEGIN_TRANSIENT 2 |
137 | #define _HTM_TBEGIN_PERSISTENT 3 |
138 | |
139 | /* The abort codes below this threshold are reserved for machine use. */ |
140 | #define _HTM_FIRST_USER_ABORT_CODE 256 |
141 | |
142 | /* The transaction diagnostic block is it is defined in the Principles |
143 | of Operation chapter 5-91. */ |
144 | |
145 | struct __htm_tdb { |
146 | unsigned char format; /* 0 */ |
147 | unsigned char flags; |
148 | unsigned char reserved1[4]; |
149 | unsigned short nesting_depth; |
150 | unsigned long long abort_code; /* 8 */ |
151 | unsigned long long conflict_token; /* 16 */ |
152 | unsigned long long atia; /* 24 */ |
153 | unsigned char eaid; /* 32 */ |
154 | unsigned char dxc; |
155 | unsigned char reserved2[2]; |
156 | unsigned int program_int_id; |
157 | unsigned long long exception_id; /* 40 */ |
158 | unsigned long long bea; /* 48 */ |
159 | unsigned char reserved3[72]; /* 56 */ |
160 | unsigned long long gprs[16]; /* 128 */ |
161 | } __attribute__((__packed__, __aligned__ (8))); |
162 | |
163 | |
164 | /* Helper intrinsics to retry tbegin in case of transient failure. */ |
165 | |
166 | static __inline int __attribute__((__always_inline__, __nodebug__)) |
167 | __builtin_tbegin_retry_null (int __retry) |
168 | { |
169 | int cc, i = 0; |
170 | |
171 | while ((cc = __builtin_tbegin(0)) == _HTM_TBEGIN_TRANSIENT |
172 | && i++ < __retry) |
173 | __builtin_tx_assist(i); |
174 | |
175 | return cc; |
176 | } |
177 | |
178 | static __inline int __attribute__((__always_inline__, __nodebug__)) |
179 | __builtin_tbegin_retry_tdb (void *__tdb, int __retry) |
180 | { |
181 | int cc, i = 0; |
182 | |
183 | while ((cc = __builtin_tbegin(__tdb)) == _HTM_TBEGIN_TRANSIENT |
184 | && i++ < __retry) |
185 | __builtin_tx_assist(i); |
186 | |
187 | return cc; |
188 | } |
189 | |
190 | #define __builtin_tbegin_retry(tdb, retry) \ |
191 | (__builtin_constant_p(tdb == 0) && tdb == 0 ? \ |
192 | __builtin_tbegin_retry_null(retry) : \ |
193 | __builtin_tbegin_retry_tdb(tdb, retry)) |
194 | |
195 | static __inline int __attribute__((__always_inline__, __nodebug__)) |
196 | __builtin_tbegin_retry_nofloat_null (int __retry) |
197 | { |
198 | int cc, i = 0; |
199 | |
200 | while ((cc = __builtin_tbegin_nofloat(0)) == _HTM_TBEGIN_TRANSIENT |
201 | && i++ < __retry) |
202 | __builtin_tx_assist(i); |
203 | |
204 | return cc; |
205 | } |
206 | |
207 | static __inline int __attribute__((__always_inline__, __nodebug__)) |
208 | __builtin_tbegin_retry_nofloat_tdb (void *__tdb, int __retry) |
209 | { |
210 | int cc, i = 0; |
211 | |
212 | while ((cc = __builtin_tbegin_nofloat(__tdb)) == _HTM_TBEGIN_TRANSIENT |
213 | && i++ < __retry) |
214 | __builtin_tx_assist(i); |
215 | |
216 | return cc; |
217 | } |
218 | |
219 | #define __builtin_tbegin_retry_nofloat(tdb, retry) \ |
220 | (__builtin_constant_p(tdb == 0) && tdb == 0 ? \ |
221 | __builtin_tbegin_retry_nofloat_null(retry) : \ |
222 | __builtin_tbegin_retry_nofloat_tdb(tdb, retry)) |
223 | |
224 | #endif /* __s390__ */ |
225 | |
226 | #endif /* __HTMINTRIN_H */ |
227 | |