47
48 // All SI defines used below must be supported.
49 guarantee(bufsize != -1, "must be supported");
50
51 char* buf = (char*) malloc(bufsize);
52
53 if (buf == NULL)
54 return;
55
56 if (sysinfo(si, buf, bufsize) == bufsize) {
57 // Compare the string.
58 if (strcmp(buf, string) == 0) {
59 *features |= mask;
60 }
61 }
62
63 free(buf);
64 }
65
66 int VM_Version::platform_features(int features) {
67 // getisax(2), SI_ARCHITECTURE_32, and SI_ARCHITECTURE_64 are
68 // supported on Solaris 10 and later.
69 if (os::Solaris::supports_getisax()) {
70
71 // Check 32-bit architecture.
72 do_sysinfo(SI_ARCHITECTURE_32, "sparc", &features, v8_instructions_m);
73
74 // Check 64-bit architecture.
75 do_sysinfo(SI_ARCHITECTURE_64, "sparcv9", &features, generic_v9_m);
76
77 // Extract valid instruction set extensions.
78 uint_t avs[2];
79 uint_t avn = os::Solaris::getisax(avs, 2);
80 assert(avn <= 2, "should return two or less av's");
81 uint_t av = avs[0];
82
83 #ifndef PRODUCT
84 if (PrintMiscellaneous && Verbose) {
85 tty->print("getisax(2) returned: " PTR32_FORMAT, av);
86 if (avn > 1) {
87 tty->print(", " PTR32_FORMAT, avs[1]);
88 }
89 tty->cr();
90 }
91 #endif
92
93 if (av & AV_SPARC_MUL32) features |= hardware_mul32_m;
94 if (av & AV_SPARC_DIV32) features |= hardware_div32_m;
95 if (av & AV_SPARC_FSMULD) features |= hardware_fsmuld_m;
96 if (av & AV_SPARC_V8PLUS) features |= v9_instructions_m;
97 if (av & AV_SPARC_POPC) features |= hardware_popc_m;
98 if (av & AV_SPARC_VIS) features |= vis1_instructions_m;
99 if (av & AV_SPARC_VIS2) features |= vis2_instructions_m;
100 if (avn > 1) {
101 uint_t av2 = avs[1];
102 #ifndef AV2_SPARC_SPARC5
103 #define AV2_SPARC_SPARC5 0x00000008 /* The 29 new fp and sub instructions */
104 #endif
105 if (av2 & AV2_SPARC_SPARC5) features |= sparc5_instructions_m;
106 }
107
108 // Next values are not defined before Solaris 10
109 // but Solaris 8 is used for jdk6 update builds.
110 #ifndef AV_SPARC_ASI_BLK_INIT
111 #define AV_SPARC_ASI_BLK_INIT 0x0080 /* ASI_BLK_INIT_xxx ASI */
112 #endif
113 if (av & AV_SPARC_ASI_BLK_INIT) features |= blk_init_instructions_m;
114
115 #ifndef AV_SPARC_FMAF
116 #define AV_SPARC_FMAF 0x0100 /* Fused Multiply-Add */
117 #endif
118 if (av & AV_SPARC_FMAF) features |= fmaf_instructions_m;
119
120 #ifndef AV_SPARC_FMAU
121 #define AV_SPARC_FMAU 0x0200 /* Unfused Multiply-Add */
122 #endif
123 if (av & AV_SPARC_FMAU) features |= fmau_instructions_m;
124
125 #ifndef AV_SPARC_VIS3
126 #define AV_SPARC_VIS3 0x0400 /* VIS3 instruction set extensions */
127 #endif
128 if (av & AV_SPARC_VIS3) features |= vis3_instructions_m;
129
135 #ifndef AV_SPARC_AES
136 #define AV_SPARC_AES 0x00020000 /* aes instrs supported */
137 #endif
138 if (av & AV_SPARC_AES) features |= aes_instructions_m;
139
140 #ifndef AV_SPARC_SHA1
141 #define AV_SPARC_SHA1 0x00400000 /* sha1 instruction supported */
142 #endif
143 if (av & AV_SPARC_SHA1) features |= sha1_instruction_m;
144
145 #ifndef AV_SPARC_SHA256
146 #define AV_SPARC_SHA256 0x00800000 /* sha256 instruction supported */
147 #endif
148 if (av & AV_SPARC_SHA256) features |= sha256_instruction_m;
149
150 #ifndef AV_SPARC_SHA512
151 #define AV_SPARC_SHA512 0x01000000 /* sha512 instruction supported */
152 #endif
153 if (av & AV_SPARC_SHA512) features |= sha512_instruction_m;
154
155 } else {
156 // getisax(2) failed, use the old legacy code.
157 #ifndef PRODUCT
158 if (PrintMiscellaneous && Verbose)
159 tty->print_cr("getisax(2) is not supported.");
160 #endif
161
162 char tmp;
163 size_t bufsize = sysinfo(SI_ISALIST, &tmp, 1);
164 char* buf = (char*) malloc(bufsize);
165
166 if (buf != NULL) {
167 if (sysinfo(SI_ISALIST, buf, bufsize) == bufsize) {
168 // Figure out what kind of sparc we have
169 char *sparc_string = strstr(buf, "sparc");
170 if (sparc_string != NULL) { features |= v8_instructions_m;
171 if (sparc_string[5] == 'v') {
172 if (sparc_string[6] == '8') {
173 if (sparc_string[7] == '-') { features |= hardware_mul32_m;
174 features |= hardware_div32_m;
175 } else if (sparc_string[7] == 'p') features |= generic_v9_m;
176 else features |= generic_v8_m;
177 } else if (sparc_string[6] == '9') features |= generic_v9_m;
178 }
179 }
180
181 // Check for visualization instructions
182 char *vis = strstr(buf, "vis");
183 if (vis != NULL) { features |= vis1_instructions_m;
184 if (vis[3] == '2') features |= vis2_instructions_m;
185 }
186 }
187 free(buf);
188 }
189 }
190
191 // Determine the machine type.
192 do_sysinfo(SI_MACHINE, "sun4v", &features, sun4v_m);
193
194 {
195 // Using kstat to determine the machine type.
196 kstat_ctl_t* kc = kstat_open();
197 kstat_t* ksp = kstat_lookup(kc, (char*)"cpu_info", -1, NULL);
198 const char* implementation = "UNKNOWN";
199 if (ksp != NULL) {
200 if (kstat_read(kc, ksp, NULL) != -1 && ksp->ks_data != NULL) {
201 kstat_named_t* knm = (kstat_named_t *)ksp->ks_data;
202 for (int i = 0; i < ksp->ks_ndata; i++) {
203 if (strcmp((const char*)&(knm[i].name),"implementation") == 0) {
204 #ifndef KSTAT_DATA_STRING
205 #define KSTAT_DATA_STRING 9
206 #endif
207 if (knm[i].data_type == KSTAT_DATA_CHAR) {
208 // VM is running on Solaris 8 which does not have value.str.
209 implementation = &(knm[i].value.c[0]);
210 } else if (knm[i].data_type == KSTAT_DATA_STRING) {
211 // VM is running on Solaris 10.
212 #ifndef KSTAT_NAMED_STR_PTR
213 // Solaris 8 was used to build VM, define the structure it misses.
214 struct str_t {
215 union {
216 char *ptr; /* NULL-term string */
217 char __pad[8]; /* 64-bit padding */
218 } addr;
219 uint32_t len; /* # bytes for strlen + '\0' */
220 };
221 #define KSTAT_NAMED_STR_PTR(knptr) (( (str_t*)&((knptr)->value) )->addr.ptr)
222 #endif
223 implementation = KSTAT_NAMED_STR_PTR(&knm[i]);
224 }
225 #ifndef PRODUCT
226 if (PrintMiscellaneous && Verbose) {
227 tty->print_cr("cpu_info.implementation: %s", implementation);
228 }
229 #endif
230 // Convert to UPPER case before compare.
231 char* impl = strdup(implementation);
232
233 for (int i = 0; impl[i] != 0; i++)
234 impl[i] = (char)toupper((uint)impl[i]);
235 if (strstr(impl, "SPARC64") != NULL) {
236 features |= sparc64_family_m;
237 } else if (strstr(impl, "SPARC-M") != NULL) {
238 // M-series SPARC is based on T-series.
239 features |= (M_family_m | T_family_m);
240 } else if (strstr(impl, "SPARC-T") != NULL) {
241 features |= T_family_m;
242 if (strstr(impl, "SPARC-T1") != NULL) {
243 features |= T1_model_m;
244 }
245 } else {
246 if (strstr(impl, "SPARC") == NULL) {
247 #ifndef PRODUCT
248 // kstat on Solaris 8 virtual machines (branded zones)
249 // returns "(unsupported)" implementation.
250 warning("kstat cpu_info implementation = '%s', should contain SPARC", impl);
251 #endif
252 implementation = "SPARC";
253 }
254 }
255 free((void*)impl);
256 break;
257 }
258 } // for(
259 }
260 }
261 assert(strcmp(implementation, "UNKNOWN") != 0,
262 "unknown cpu info (changed kstat interface?)");
263 kstat_close(kc);
264 }
265
266 return features;
267 }
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47
48 // All SI defines used below must be supported.
49 guarantee(bufsize != -1, "must be supported");
50
51 char* buf = (char*) malloc(bufsize);
52
53 if (buf == NULL)
54 return;
55
56 if (sysinfo(si, buf, bufsize) == bufsize) {
57 // Compare the string.
58 if (strcmp(buf, string) == 0) {
59 *features |= mask;
60 }
61 }
62
63 free(buf);
64 }
65
66 int VM_Version::platform_features(int features) {
67 // Check 32-bit architecture.
68 do_sysinfo(SI_ARCHITECTURE_32, "sparc", &features, v8_instructions_m);
69
70 // Check 64-bit architecture.
71 do_sysinfo(SI_ARCHITECTURE_64, "sparcv9", &features, generic_v9_m);
72
73 // Extract valid instruction set extensions.
74 uint_t avs[2];
75 uint_t avn = os::Solaris::getisax(avs, 2);
76 assert(avn <= 2, "should return two or less av's");
77 uint_t av = avs[0];
78
79 #ifndef PRODUCT
80 if (PrintMiscellaneous && Verbose) {
81 tty->print("getisax(2) returned: " PTR32_FORMAT, av);
82 if (avn > 1) {
83 tty->print(", " PTR32_FORMAT, avs[1]);
84 }
85 tty->cr();
86 }
87 #endif
88
89 if (av & AV_SPARC_MUL32) features |= hardware_mul32_m;
90 if (av & AV_SPARC_DIV32) features |= hardware_div32_m;
91 if (av & AV_SPARC_FSMULD) features |= hardware_fsmuld_m;
92 if (av & AV_SPARC_V8PLUS) features |= v9_instructions_m;
93 if (av & AV_SPARC_POPC) features |= hardware_popc_m;
94 if (av & AV_SPARC_VIS) features |= vis1_instructions_m;
95 if (av & AV_SPARC_VIS2) features |= vis2_instructions_m;
96 if (avn > 1) {
97 uint_t av2 = avs[1];
98 #ifndef AV2_SPARC_SPARC5
99 #define AV2_SPARC_SPARC5 0x00000008 /* The 29 new fp and sub instructions */
100 #endif
101 if (av2 & AV2_SPARC_SPARC5) features |= sparc5_instructions_m;
102 }
103
104 // We only build on Solaris 10 and up, but some of the values below
105 // are not defined on all versions of Solaris 10, so we define them,
106 // if necessary.
107 #ifndef AV_SPARC_ASI_BLK_INIT
108 #define AV_SPARC_ASI_BLK_INIT 0x0080 /* ASI_BLK_INIT_xxx ASI */
109 #endif
110 if (av & AV_SPARC_ASI_BLK_INIT) features |= blk_init_instructions_m;
111
112 #ifndef AV_SPARC_FMAF
113 #define AV_SPARC_FMAF 0x0100 /* Fused Multiply-Add */
114 #endif
115 if (av & AV_SPARC_FMAF) features |= fmaf_instructions_m;
116
117 #ifndef AV_SPARC_FMAU
118 #define AV_SPARC_FMAU 0x0200 /* Unfused Multiply-Add */
119 #endif
120 if (av & AV_SPARC_FMAU) features |= fmau_instructions_m;
121
122 #ifndef AV_SPARC_VIS3
123 #define AV_SPARC_VIS3 0x0400 /* VIS3 instruction set extensions */
124 #endif
125 if (av & AV_SPARC_VIS3) features |= vis3_instructions_m;
126
132 #ifndef AV_SPARC_AES
133 #define AV_SPARC_AES 0x00020000 /* aes instrs supported */
134 #endif
135 if (av & AV_SPARC_AES) features |= aes_instructions_m;
136
137 #ifndef AV_SPARC_SHA1
138 #define AV_SPARC_SHA1 0x00400000 /* sha1 instruction supported */
139 #endif
140 if (av & AV_SPARC_SHA1) features |= sha1_instruction_m;
141
142 #ifndef AV_SPARC_SHA256
143 #define AV_SPARC_SHA256 0x00800000 /* sha256 instruction supported */
144 #endif
145 if (av & AV_SPARC_SHA256) features |= sha256_instruction_m;
146
147 #ifndef AV_SPARC_SHA512
148 #define AV_SPARC_SHA512 0x01000000 /* sha512 instruction supported */
149 #endif
150 if (av & AV_SPARC_SHA512) features |= sha512_instruction_m;
151
152 // Determine the machine type.
153 do_sysinfo(SI_MACHINE, "sun4v", &features, sun4v_m);
154
155 {
156 // Using kstat to determine the machine type.
157 kstat_ctl_t* kc = kstat_open();
158 kstat_t* ksp = kstat_lookup(kc, (char*)"cpu_info", -1, NULL);
159 const char* implementation = "UNKNOWN";
160 if (ksp != NULL) {
161 if (kstat_read(kc, ksp, NULL) != -1 && ksp->ks_data != NULL) {
162 kstat_named_t* knm = (kstat_named_t *)ksp->ks_data;
163 for (int i = 0; i < ksp->ks_ndata; i++) {
164 if (strcmp((const char*)&(knm[i].name),"implementation") == 0) {
165 implementation = KSTAT_NAMED_STR_PTR(&knm[i]);
166 #ifndef PRODUCT
167 if (PrintMiscellaneous && Verbose) {
168 tty->print_cr("cpu_info.implementation: %s", implementation);
169 }
170 #endif
171 // Convert to UPPER case before compare.
172 char* impl = strdup(implementation);
173
174 for (int i = 0; impl[i] != 0; i++)
175 impl[i] = (char)toupper((uint)impl[i]);
176
177 if (strstr(impl, "SPARC64") != NULL) {
178 features |= sparc64_family_m;
179 } else if (strstr(impl, "SPARC-M") != NULL) {
180 // M-series SPARC is based on T-series.
181 features |= (M_family_m | T_family_m);
182 } else if (strstr(impl, "SPARC-T") != NULL) {
183 features |= T_family_m;
184 if (strstr(impl, "SPARC-T1") != NULL) {
185 features |= T1_model_m;
186 }
187 } else {
188 if (strstr(impl, "SPARC") == NULL) {
189 #ifndef PRODUCT
190 // kstat on Solaris 8 virtual machines (branded zones)
191 // returns "(unsupported)" implementation. Solaris 8 is not
192 // supported anymore, but include this check to be on the
193 // safe side.
194 warning("kstat cpu_info implementation = '%s', assume generic SPARC", impl);
195 #endif
196 implementation = "SPARC";
197 }
198 }
199 free((void*)impl);
200 break;
201 }
202 } // for(
203 }
204 }
205 assert(strcmp(implementation, "UNKNOWN") != 0,
206 "unknown cpu info (changed kstat interface?)");
207 kstat_close(kc);
208 }
209
210 return features;
211 }
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