Mercurial > hg > truffle
view src/os_cpu/solaris_sparc/vm/vm_version_solaris_sparc.cpp @ 469:3c4d36b4a7ac
6781742: Bump HS14 build number to 09
Summary: Update Hotspot 14 build number to b09
Reviewed-by: jcoomes
author | trims |
---|---|
date | Fri, 05 Dec 2008 15:45:24 -0800 |
parents | a61af66fc99e |
children | 6af0a709d52b |
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/* * Copyright 2006 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/systeminfo.h> int VM_Version::platform_features(int features) { // We determine what sort of hardware we have via sysinfo(SI_ISALIST, ...). // This isn't the best of all possible ways because there's not enough // detail in the isa list it returns, but it's a bit less arcane than // generating assembly code and an illegal instruction handler. We used // to generate a getpsr trap, but that's even more arcane. // // Another possibility would be to use sysinfo(SI_PLATFORM, ...), but // that would require more knowledge here than is wise. // isalist spec via 'man isalist' as of 01-Aug-2001 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_int_muldiv_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); } bufsize = sysinfo(SI_MACHINE, &tmp, 1); buf = (char*)malloc(bufsize); if (buf != NULL) { if (sysinfo(SI_MACHINE, buf, bufsize) == bufsize) { if (strstr(buf, "sun4v") != NULL) { features |= sun4v_m; } } free(buf); } return features; }