aoqi@0: /*
dlong@7598:  * Copyright (c) 1998, 2015, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  *
aoqi@0:  */
aoqi@0: 
aoqi@1: /*
aoqi@1:  * This file has been modified by Loongson Technology in 2015. These
aoqi@1:  * modifications are Copyright (c) 2015 Loongson Technology, and are made
aoqi@1:  * available on the same license terms set forth above.
aoqi@1:  */
aoqi@1: 
aoqi@0: #include "precompiled.hpp"
aoqi@0: #include "memory/universe.hpp"
aoqi@0: #include "oops/oop.inline.hpp"
aoqi@0: #include "runtime/arguments.hpp"
aoqi@0: #ifdef TARGET_ARCH_x86
aoqi@0: # include "vm_version_x86.hpp"
aoqi@0: #endif
aoqi@0: #ifdef TARGET_ARCH_sparc
aoqi@0: # include "vm_version_sparc.hpp"
aoqi@0: #endif
aoqi@0: #ifdef TARGET_ARCH_zero
aoqi@0: # include "vm_version_zero.hpp"
aoqi@0: #endif
aoqi@0: #ifdef TARGET_ARCH_arm
aoqi@0: # include "vm_version_arm.hpp"
aoqi@0: #endif
aoqi@0: #ifdef TARGET_ARCH_ppc
aoqi@0: # include "vm_version_ppc.hpp"
aoqi@0: #endif
aoqi@1: #ifdef TARGET_ARCH_mips
aoqi@1: # include "vm_version_mips.hpp"
aoqi@1: #endif
aoqi@0: 
aoqi@0: const char* Abstract_VM_Version::_s_vm_release = Abstract_VM_Version::vm_release();
aoqi@0: const char* Abstract_VM_Version::_s_internal_vm_info_string = Abstract_VM_Version::internal_vm_info_string();
aoqi@0: bool Abstract_VM_Version::_supports_cx8 = false;
aoqi@0: bool Abstract_VM_Version::_supports_atomic_getset4 = false;
aoqi@0: bool Abstract_VM_Version::_supports_atomic_getset8 = false;
aoqi@0: bool Abstract_VM_Version::_supports_atomic_getadd4 = false;
aoqi@0: bool Abstract_VM_Version::_supports_atomic_getadd8 = false;
aoqi@0: unsigned int Abstract_VM_Version::_logical_processors_per_package = 1U;
aoqi@0: int Abstract_VM_Version::_reserve_for_allocation_prefetch = 0;
aoqi@0: 
aoqi@0: #ifndef HOTSPOT_RELEASE_VERSION
aoqi@0:   #error HOTSPOT_RELEASE_VERSION must be defined
aoqi@0: #endif
aoqi@0: #ifndef JRE_RELEASE_VERSION
aoqi@0:   #error JRE_RELEASE_VERSION must be defined
aoqi@0: #endif
aoqi@0: #ifndef HOTSPOT_BUILD_TARGET
aoqi@0:   #error HOTSPOT_BUILD_TARGET must be defined
aoqi@0: #endif
aoqi@0: 
aoqi@0: #ifdef PRODUCT
aoqi@0:   #define VM_RELEASE HOTSPOT_RELEASE_VERSION
aoqi@0: #else
aoqi@0:   #define VM_RELEASE HOTSPOT_RELEASE_VERSION "-" HOTSPOT_BUILD_TARGET
aoqi@0: #endif
aoqi@0: 
aoqi@0: // HOTSPOT_RELEASE_VERSION must follow the release version naming convention
aoqi@0: // <major_ver>.<minor_ver>-b<nn>[-<identifier>][-<debug_target>]
aoqi@0: int Abstract_VM_Version::_vm_major_version = 0;
aoqi@0: int Abstract_VM_Version::_vm_minor_version = 0;
aoqi@0: int Abstract_VM_Version::_vm_build_number = 0;
aoqi@0: bool Abstract_VM_Version::_initialized = false;
aoqi@0: int Abstract_VM_Version::_parallel_worker_threads = 0;
aoqi@0: bool Abstract_VM_Version::_parallel_worker_threads_initialized = false;
aoqi@0: 
aoqi@0: void Abstract_VM_Version::initialize() {
aoqi@0:   if (_initialized) {
aoqi@0:     return;
aoqi@0:   }
aoqi@0:   char* vm_version = os::strdup(HOTSPOT_RELEASE_VERSION);
aoqi@0: 
aoqi@0:   // Expecting the next vm_version format:
aoqi@0:   // <major_ver>.<minor_ver>-b<nn>[-<identifier>]
aoqi@0:   char* vm_major_ver = vm_version;
aoqi@0:   assert(isdigit(vm_major_ver[0]),"wrong vm major version number");
aoqi@0:   char* vm_minor_ver = strchr(vm_major_ver, '.');
aoqi@0:   assert(vm_minor_ver != NULL && isdigit(vm_minor_ver[1]),"wrong vm minor version number");
aoqi@0:   vm_minor_ver[0] = '\0'; // terminate vm_major_ver
aoqi@0:   vm_minor_ver += 1;
aoqi@0:   char* vm_build_num = strchr(vm_minor_ver, '-');
aoqi@0:   assert(vm_build_num != NULL && vm_build_num[1] == 'b' && isdigit(vm_build_num[2]),"wrong vm build number");
aoqi@0:   vm_build_num[0] = '\0'; // terminate vm_minor_ver
aoqi@0:   vm_build_num += 2;
aoqi@0: 
aoqi@0:   _vm_major_version = atoi(vm_major_ver);
aoqi@0:   _vm_minor_version = atoi(vm_minor_ver);
aoqi@0:   _vm_build_number  = atoi(vm_build_num);
aoqi@0: 
aoqi@0:   os::free(vm_version);
aoqi@0:   _initialized = true;
aoqi@0: }
aoqi@0: 
aoqi@0: #if defined(_LP64)
aoqi@0:   #define VMLP "64-Bit "
aoqi@0: #else
aoqi@0:   #define VMLP ""
aoqi@0: #endif
aoqi@0: 
aoqi@0: #ifndef VMTYPE
aoqi@0:   #ifdef TIERED
aoqi@0:     #define VMTYPE "Server"
aoqi@0:   #else // TIERED
aoqi@0:   #ifdef ZERO
aoqi@0:   #ifdef SHARK
aoqi@0:     #define VMTYPE "Shark"
aoqi@0:   #else // SHARK
aoqi@0:     #define VMTYPE "Zero"
aoqi@0:   #endif // SHARK
aoqi@0:   #else // ZERO
aoqi@0:      #define VMTYPE COMPILER1_PRESENT("Client")   \
aoqi@0:                     COMPILER2_PRESENT("Server")
aoqi@0:   #endif // ZERO
aoqi@0:   #endif // TIERED
aoqi@0: #endif
aoqi@0: 
aoqi@0: #ifndef HOTSPOT_VM_DISTRO
aoqi@0:   #error HOTSPOT_VM_DISTRO must be defined
aoqi@0: #endif
aoqi@0: #define VMNAME HOTSPOT_VM_DISTRO " " VMLP EMBEDDED_ONLY("Embedded ") VMTYPE " VM"
aoqi@0: 
aoqi@0: const char* Abstract_VM_Version::vm_name() {
aoqi@0:   return VMNAME;
aoqi@0: }
aoqi@0: 
aoqi@0: 
aoqi@0: const char* Abstract_VM_Version::vm_vendor() {
aoqi@0: #ifdef VENDOR
aoqi@0:   return XSTR(VENDOR);
aoqi@0: #else
aoqi@0:   return JDK_Version::is_gte_jdk17x_version() ?
aoqi@0:     "Oracle Corporation" : "Sun Microsystems Inc.";
aoqi@0: #endif
aoqi@0: }
aoqi@0: 
aoqi@0: 
aoqi@0: const char* Abstract_VM_Version::vm_info_string() {
aoqi@0:   switch (Arguments::mode()) {
aoqi@0:     case Arguments::_int:
aoqi@0:       return UseSharedSpaces ? "interpreted mode, sharing" : "interpreted mode";
aoqi@0:     case Arguments::_mixed:
aoqi@0:       return UseSharedSpaces ? "mixed mode, sharing"       :  "mixed mode";
aoqi@0:     case Arguments::_comp:
aoqi@0:       return UseSharedSpaces ? "compiled mode, sharing"    : "compiled mode";
aoqi@0:   };
aoqi@0:   ShouldNotReachHere();
aoqi@0:   return "";
aoqi@0: }
aoqi@0: 
aoqi@0: // NOTE: do *not* use stringStream. this function is called by
aoqi@0: //       fatal error handler. if the crash is in native thread,
aoqi@0: //       stringStream cannot get resource allocated and will SEGV.
aoqi@0: const char* Abstract_VM_Version::vm_release() {
aoqi@0:   return VM_RELEASE;
aoqi@0: }
aoqi@0: 
aoqi@0: // NOTE: do *not* use stringStream. this function is called by
aoqi@0: //       fatal error handlers. if the crash is in native thread,
aoqi@0: //       stringStream cannot get resource allocated and will SEGV.
aoqi@0: const char* Abstract_VM_Version::jre_release_version() {
aoqi@0:   return JRE_RELEASE_VERSION;
aoqi@0: }
aoqi@0: 
aoqi@0: #define OS       LINUX_ONLY("linux")             \
aoqi@0:                  WINDOWS_ONLY("windows")         \
aoqi@0:                  SOLARIS_ONLY("solaris")         \
aoqi@0:                  AIX_ONLY("aix")                 \
aoqi@0:                  BSD_ONLY("bsd")
aoqi@0: 
dlong@7598: #ifndef CPU
aoqi@0: #ifdef ZERO
aoqi@0: #define CPU      ZERO_LIBARCH
aoqi@0: #else
aoqi@0: #define CPU      IA32_ONLY("x86")                \
aoqi@0:                  IA64_ONLY("ia64")               \
aoqi@0:                  AMD64_ONLY("amd64")             \
aoqi@0:                  PPC64_ONLY("ppc64")             \
aoqi@36:                  MIPS64_ONLY("mips64")           \
aoqi@0:                  SPARC_ONLY("sparc")
aoqi@0: #endif // ZERO
dlong@7598: #endif
aoqi@0: 
aoqi@0: const char *Abstract_VM_Version::vm_platform_string() {
aoqi@0:   return OS "-" CPU;
aoqi@0: }
aoqi@0: 
aoqi@0: const char* Abstract_VM_Version::internal_vm_info_string() {
aoqi@0:   #ifndef HOTSPOT_BUILD_USER
aoqi@0:     #define HOTSPOT_BUILD_USER unknown
aoqi@0:   #endif
aoqi@0: 
aoqi@0:   #ifndef HOTSPOT_BUILD_COMPILER
aoqi@0:     #ifdef _MSC_VER
aoqi@0:       #if   _MSC_VER == 1100
aoqi@0:         #define HOTSPOT_BUILD_COMPILER "MS VC++ 5.0"
aoqi@0:       #elif _MSC_VER == 1200
aoqi@0:         #define HOTSPOT_BUILD_COMPILER "MS VC++ 6.0"
aoqi@0:       #elif _MSC_VER == 1310
aoqi@0:         #define HOTSPOT_BUILD_COMPILER "MS VC++ 7.1 (VS2003)"
aoqi@0:       #elif _MSC_VER == 1400
aoqi@0:         #define HOTSPOT_BUILD_COMPILER "MS VC++ 8.0 (VS2005)"
aoqi@0:       #elif _MSC_VER == 1500
aoqi@0:         #define HOTSPOT_BUILD_COMPILER "MS VC++ 9.0 (VS2008)"
aoqi@0:       #elif _MSC_VER == 1600
aoqi@0:         #define HOTSPOT_BUILD_COMPILER "MS VC++ 10.0 (VS2010)"
aoqi@0:       #elif _MSC_VER == 1700
aoqi@0:         #define HOTSPOT_BUILD_COMPILER "MS VC++ 11.0 (VS2012)"
aoqi@0:       #else
aoqi@0:         #define HOTSPOT_BUILD_COMPILER "unknown MS VC++:" XSTR(_MSC_VER)
aoqi@0:       #endif
aoqi@0:     #elif defined(__SUNPRO_CC)
aoqi@0:       #if   __SUNPRO_CC == 0x420
aoqi@0:         #define HOTSPOT_BUILD_COMPILER "Workshop 4.2"
aoqi@0:       #elif __SUNPRO_CC == 0x500
aoqi@0:         #define HOTSPOT_BUILD_COMPILER "Workshop 5.0 compat=" XSTR(__SUNPRO_CC_COMPAT)
aoqi@0:       #elif __SUNPRO_CC == 0x520
aoqi@0:         #define HOTSPOT_BUILD_COMPILER "Workshop 5.2 compat=" XSTR(__SUNPRO_CC_COMPAT)
aoqi@0:       #elif __SUNPRO_CC == 0x580
aoqi@0:         #define HOTSPOT_BUILD_COMPILER "Workshop 5.8"
aoqi@0:       #elif __SUNPRO_CC == 0x590
aoqi@0:         #define HOTSPOT_BUILD_COMPILER "Workshop 5.9"
aoqi@0:       #elif __SUNPRO_CC == 0x5100
aoqi@0:         #define HOTSPOT_BUILD_COMPILER "Sun Studio 12u1"
aoqi@0:       #elif __SUNPRO_CC == 0x5120
aoqi@0:         #define HOTSPOT_BUILD_COMPILER "Sun Studio 12u3"
aoqi@0:       #else
aoqi@0:         #define HOTSPOT_BUILD_COMPILER "unknown Workshop:" XSTR(__SUNPRO_CC)
aoqi@0:       #endif
aoqi@0:     #elif defined(__GNUC__)
aoqi@0:         #define HOTSPOT_BUILD_COMPILER "gcc " __VERSION__
aoqi@0:     #elif defined(__IBMCPP__)
aoqi@0:         #define HOTSPOT_BUILD_COMPILER "xlC " XSTR(__IBMCPP__)
aoqi@0: 
aoqi@0:     #else
aoqi@0:       #define HOTSPOT_BUILD_COMPILER "unknown compiler"
aoqi@0:     #endif
aoqi@0:   #endif
aoqi@0: 
aoqi@0:   #ifndef FLOAT_ARCH
aoqi@0:     #if defined(__SOFTFP__)
aoqi@0:       #define FLOAT_ARCH_STR "-sflt"
aoqi@0:     #else
aoqi@0:       #define FLOAT_ARCH_STR ""
aoqi@0:     #endif
aoqi@0:   #else
aoqi@0:     #define FLOAT_ARCH_STR XSTR(FLOAT_ARCH)
aoqi@0:   #endif
aoqi@0: 
aoqi@0:   return VMNAME " (" VM_RELEASE ") for " OS "-" CPU FLOAT_ARCH_STR
aoqi@0:          " JRE (" JRE_RELEASE_VERSION "), built on " __DATE__ " " __TIME__
aoqi@0:          " by " XSTR(HOTSPOT_BUILD_USER) " with " HOTSPOT_BUILD_COMPILER;
aoqi@0: }
aoqi@0: 
aoqi@0: const char *Abstract_VM_Version::vm_build_user() {
aoqi@0:   return HOTSPOT_BUILD_USER;
aoqi@0: }
aoqi@0: 
aoqi@0: unsigned int Abstract_VM_Version::jvm_version() {
aoqi@0:   return ((Abstract_VM_Version::vm_major_version() & 0xFF) << 24) |
aoqi@0:          ((Abstract_VM_Version::vm_minor_version() & 0xFF) << 16) |
aoqi@0:          (Abstract_VM_Version::vm_build_number() & 0xFF);
aoqi@0: }
aoqi@0: 
aoqi@0: 
aoqi@0: void VM_Version_init() {
aoqi@0:   VM_Version::initialize();
aoqi@0: 
aoqi@0: #ifndef PRODUCT
aoqi@0:   if (PrintMiscellaneous && Verbose) {
aoqi@0:     os::print_cpu_info(tty);
aoqi@0:   }
aoqi@0: #endif
aoqi@0: }
aoqi@0: 
aoqi@0: unsigned int Abstract_VM_Version::nof_parallel_worker_threads(
aoqi@0:                                                       unsigned int num,
aoqi@0:                                                       unsigned int den,
aoqi@0:                                                       unsigned int switch_pt) {
aoqi@0:   if (FLAG_IS_DEFAULT(ParallelGCThreads)) {
aoqi@0:     assert(ParallelGCThreads == 0, "Default ParallelGCThreads is not 0");
aoqi@0:     // For very large machines, there are diminishing returns
aoqi@0:     // for large numbers of worker threads.  Instead of
aoqi@0:     // hogging the whole system, use a fraction of the workers for every
aoqi@0:     // processor after the first 8.  For example, on a 72 cpu machine
aoqi@0:     // and a chosen fraction of 5/8
aoqi@0:     // use 8 + (72 - 8) * (5/8) == 48 worker threads.
aoqi@0:     unsigned int ncpus = (unsigned int) os::active_processor_count();
aoqi@0:     return (ncpus <= switch_pt) ?
aoqi@0:            ncpus :
aoqi@0:           (switch_pt + ((ncpus - switch_pt) * num) / den);
aoqi@0:   } else {
aoqi@0:     return ParallelGCThreads;
aoqi@0:   }
aoqi@0: }
aoqi@0: 
aoqi@0: unsigned int Abstract_VM_Version::calc_parallel_worker_threads() {
aoqi@0:   return nof_parallel_worker_threads(5, 8, 8);
aoqi@0: }
aoqi@0: 
aoqi@0: 
aoqi@0: // Does not set the _initialized flag since it is
aoqi@0: // a global flag.
aoqi@0: unsigned int Abstract_VM_Version::parallel_worker_threads() {
aoqi@0:   if (!_parallel_worker_threads_initialized) {
aoqi@0:     if (FLAG_IS_DEFAULT(ParallelGCThreads)) {
aoqi@0:       _parallel_worker_threads = VM_Version::calc_parallel_worker_threads();
aoqi@0:     } else {
aoqi@0:       _parallel_worker_threads = ParallelGCThreads;
aoqi@0:     }
aoqi@0:     _parallel_worker_threads_initialized = true;
aoqi@0:   }
aoqi@0:   return _parallel_worker_threads;
aoqi@0: }