Mercurial > hg > truffle
view src/os_cpu/solaris_sparc/vm/vm_version_solaris_sparc.cpp @ 1483:ba37b9335e1e
New option "-graal" that sets up the correct boot class path and C1X options using only the two environment variables MAXINE and GRAAL.
This greatly simplifies command line arguments necessary to start the Graal VM.
author | Thomas Wuerthinger <wuerthinger@ssw.jku.at> |
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date | Mon, 29 Nov 2010 16:58:26 +0100 |
parents | c771b7f43bbf |
children | c18cbe5936b8 |
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/* * Copyright 2006-2009 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ # include "incls/_precompiled.incl" # include "incls/_vm_version_solaris_sparc.cpp.incl" # include <sys/auxv.h> # include <sys/auxv_SPARC.h> # include <sys/systeminfo.h> // We need to keep these here as long as we have to build on Solaris // versions before 10. #ifndef SI_ARCHITECTURE_32 #define SI_ARCHITECTURE_32 516 /* basic 32-bit SI_ARCHITECTURE */ #endif #ifndef SI_ARCHITECTURE_64 #define SI_ARCHITECTURE_64 517 /* basic 64-bit SI_ARCHITECTURE */ #endif static void do_sysinfo(int si, const char* string, int* features, int mask) { char tmp; size_t bufsize = sysinfo(si, &tmp, 1); // All SI defines used below must be supported. guarantee(bufsize != -1, "must be supported"); char* buf = (char*) malloc(bufsize); if (buf == NULL) return; if (sysinfo(si, buf, bufsize) == bufsize) { // Compare the string. if (strcmp(buf, string) == 0) { *features |= mask; } } free(buf); } int VM_Version::platform_features(int features) { // getisax(2), SI_ARCHITECTURE_32, and SI_ARCHITECTURE_64 are // supported on Solaris 10 and later. if (os::Solaris::supports_getisax()) { #ifndef PRODUCT if (PrintMiscellaneous && Verbose) tty->print_cr("getisax(2) supported."); #endif // Check 32-bit architecture. do_sysinfo(SI_ARCHITECTURE_32, "sparc", &features, v8_instructions_m); // Check 64-bit architecture. do_sysinfo(SI_ARCHITECTURE_64, "sparcv9", &features, generic_v9_m); // Extract valid instruction set extensions. uint_t av; uint_t avn = os::Solaris::getisax(&av, 1); assert(avn == 1, "should only return one av"); if (av & AV_SPARC_MUL32) features |= hardware_mul32_m; if (av & AV_SPARC_DIV32) features |= hardware_div32_m; if (av & AV_SPARC_FSMULD) features |= hardware_fsmuld_m; if (av & AV_SPARC_V8PLUS) features |= v9_instructions_m; if (av & AV_SPARC_POPC) features |= hardware_popc_m; if (av & AV_SPARC_VIS) features |= vis1_instructions_m; if (av & AV_SPARC_VIS2) features |= vis2_instructions_m; } else { // getisax(2) failed, use the old legacy code. #ifndef PRODUCT if (PrintMiscellaneous && Verbose) tty->print_cr("getisax(2) not supported."); #endif char tmp; size_t bufsize = sysinfo(SI_ISALIST, &tmp, 1); char* buf = (char*) malloc(bufsize); if (buf != NULL) { if (sysinfo(SI_ISALIST, buf, bufsize) == bufsize) { // Figure out what kind of sparc we have char *sparc_string = strstr(buf, "sparc"); if (sparc_string != NULL) { features |= v8_instructions_m; if (sparc_string[5] == 'v') { if (sparc_string[6] == '8') { if (sparc_string[7] == '-') { features |= hardware_mul32_m; features |= hardware_div32_m; } else if (sparc_string[7] == 'p') features |= generic_v9_m; else features |= generic_v8_m; } else if (sparc_string[6] == '9') features |= generic_v9_m; } } // Check for visualization instructions char *vis = strstr(buf, "vis"); if (vis != NULL) { features |= vis1_instructions_m; if (vis[3] == '2') features |= vis2_instructions_m; } } free(buf); } } // Determine the machine type. do_sysinfo(SI_MACHINE, "sun4v", &features, sun4v_m); return features; }