Mercurial > hg > graal-compiler
view src/os_cpu/solaris_sparc/vm/vm_version_solaris_sparc.cpp @ 1929:f5603a6e5042 jdk7-b120
Merge
author | lana |
---|---|
date | Wed, 17 Nov 2010 22:42:08 -0800 |
parents | ae065c367d93 |
children | f95d63e2154a |
line wrap: on
line source
/* * Copyright (c) 2006, 2010, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.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()) { // 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"); #ifndef PRODUCT if (PrintMiscellaneous && Verbose) tty->print_cr("getisax(2) returned: " PTR32_FORMAT, av); #endif 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; // Next values are not defined before Solaris 10 // but Solaris 8 is used for jdk6 update builds. #ifndef AV_SPARC_ASI_BLK_INIT #define AV_SPARC_ASI_BLK_INIT 0x0080 /* ASI_BLK_INIT_xxx ASI */ #endif #ifndef AV_SPARC_FMAF #define AV_SPARC_FMAF 0x0100 /* Sparc64 Fused Multiply-Add */ #endif if (av & AV_SPARC_ASI_BLK_INIT) features |= blk_init_instructions_m; if (av & AV_SPARC_FMAF) features |= fmaf_instructions_m; } else { // getisax(2) failed, use the old legacy code. #ifndef PRODUCT if (PrintMiscellaneous && Verbose) tty->print_cr("getisax(2) is 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; }