Mercurial > hg > openjdk6-mips
view hotspot/src/cpu/mips/vm/vm_version_mips.hpp @ 1:c1e1428eff7c
The preliminary porting to MIPS architecture.
With this commit, the interpreter can pass 140/141 regression tests, 8/8
SPECjvm98 tests and 31/37 SPECjvm2008 tests.
The compiler can pass 136/141 regression tests, but it can not run the
benchmark of SPECjvm98 and SPECjvm2008.
author | LIU Qi <liuqi82@gmail.com> |
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date | Thu, 30 Sep 2010 13:48:16 +0800 |
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/* * Copyright 2003-2008 Sun Microsystems, Inc. All Rights Reserved. * Copyright 2010 Lemote, 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. * */ class VM_Version: public Abstract_VM_Version { protected: enum Feature_Flag { with_l2_cache = 0, spt_16k_page = 1, //////////////////////add some other feature here////////////////// }; enum Feature_Flag_Set { unknown_m = 0, all_features_m = -1, with_l2_cache_m = 1 << with_l2_cache, spt_16k_page_m = 1 << spt_16k_page, //////////////////////add some other feature here////////////////// }; static int _features; static const char* _features_str; static void print_features(); static int determine_features(); public: // Initialization static void initialize(); //mips has no such instructions, use ll/sc instead static bool supports_compare_and_exchange() { return false; } static bool has_l2_cache() { return _features & with_l2_cache_m; } static bool has_16k_page() { return _features & spt_16k_page_m; } //////////////////////add some other feature here////////////////// static const char* cpu_features() { return _features_str; } // Assembler testing static void allow_all(); static void revert(); };