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Diffstat (limited to 'src/cpu/ppc/vm/vm_version_ppc.hpp')
| -rw-r--r-- | src/cpu/ppc/vm/vm_version_ppc.hpp | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/src/cpu/ppc/vm/vm_version_ppc.hpp b/src/cpu/ppc/vm/vm_version_ppc.hpp new file mode 100644 index 000000000..2bbfdddb2 --- /dev/null +++ b/src/cpu/ppc/vm/vm_version_ppc.hpp @@ -0,0 +1,96 @@ +/* + * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. + * Copyright 2012, 2014 SAP AG. 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. + * + */ + +#ifndef CPU_PPC_VM_VM_VERSION_PPC_HPP +#define CPU_PPC_VM_VM_VERSION_PPC_HPP + +#include "runtime/globals_extension.hpp" +#include "runtime/vm_version.hpp" + +class VM_Version: public Abstract_VM_Version { +protected: + enum Feature_Flag { + fsqrt, + fsqrts, + isel, + lxarxeh, + cmpb, + popcntb, + popcntw, + fcfids, + vand, + dcba, + num_features // last entry to count features + }; + enum Feature_Flag_Set { + unknown_m = 0, + fsqrt_m = (1 << fsqrt ), + fsqrts_m = (1 << fsqrts ), + isel_m = (1 << isel ), + lxarxeh_m = (1 << lxarxeh), + cmpb_m = (1 << cmpb ), + popcntb_m = (1 << popcntb), + popcntw_m = (1 << popcntw), + fcfids_m = (1 << fcfids ), + vand_m = (1 << vand ), + dcba_m = (1 << dcba ), + all_features_m = -1 + }; + static int _features; + static int _measured_cache_line_size; + static const char* _features_str; + static bool _is_determine_features_test_running; + + static void print_features(); + static void determine_features(); // also measures cache line size + static void determine_section_size(); + static void power6_micro_bench(); +public: + // Initialization + static void initialize(); + + static bool is_determine_features_test_running() { return _is_determine_features_test_running; } + // CPU instruction support + static bool has_fsqrt() { return (_features & fsqrt_m) != 0; } + static bool has_fsqrts() { return (_features & fsqrts_m) != 0; } + static bool has_isel() { return (_features & isel_m) != 0; } + static bool has_lxarxeh() { return (_features & lxarxeh_m) !=0; } + static bool has_cmpb() { return (_features & cmpb_m) != 0; } + static bool has_popcntb() { return (_features & popcntb_m) != 0; } + static bool has_popcntw() { return (_features & popcntw_m) != 0; } + static bool has_fcfids() { return (_features & fcfids_m) != 0; } + static bool has_vand() { return (_features & vand_m) != 0; } + static bool has_dcba() { return (_features & dcba_m) != 0; } + + static const char* cpu_features() { return _features_str; } + + static int get_cache_line_size() { return _measured_cache_line_size; } + + // Assembler testing + static void allow_all(); + static void revert(); +}; + +#endif // CPU_PPC_VM_VM_VERSION_PPC_HPP |