goetz@6458: /*
gromero@9662:  * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
gromero@9662:  * Copyright 2012, 2018 SAP AG. All rights reserved.
goetz@6458:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
goetz@6458:  *
goetz@6458:  * This code is free software; you can redistribute it and/or modify it
goetz@6458:  * under the terms of the GNU General Public License version 2 only, as
goetz@6458:  * published by the Free Software Foundation.
goetz@6458:  *
goetz@6458:  * This code is distributed in the hope that it will be useful, but WITHOUT
goetz@6458:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
goetz@6458:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
goetz@6458:  * version 2 for more details (a copy is included in the LICENSE file that
goetz@6458:  * accompanied this code).
goetz@6458:  *
goetz@6458:  * You should have received a copy of the GNU General Public License version
goetz@6458:  * 2 along with this work; if not, write to the Free Software Foundation,
goetz@6458:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
goetz@6458:  *
goetz@6458:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
goetz@6458:  * or visit www.oracle.com if you need additional information or have any
goetz@6458:  * questions.
goetz@6458:  *
goetz@6458:  */
goetz@6458: 
goetz@6458: #ifndef CPU_PPC_VM_VM_VERSION_PPC_HPP
goetz@6458: #define CPU_PPC_VM_VM_VERSION_PPC_HPP
goetz@6458: 
goetz@6458: #include "runtime/globals_extension.hpp"
goetz@6458: #include "runtime/vm_version.hpp"
goetz@6458: 
goetz@6458: class VM_Version: public Abstract_VM_Version {
goetz@6458: protected:
goetz@6458:   enum Feature_Flag {
goetz@6458:     fsqrt,
goetz@6515:     fsqrts,
goetz@6458:     isel,
goetz@6458:     lxarxeh,
goetz@6458:     cmpb,
goetz@6458:     popcntb,
goetz@6458:     popcntw,
goetz@6458:     fcfids,
goetz@6458:     vand,
goetz@6458:     dcba,
gromero@9662:     lqarx,
simonis@8608:     vcipher,
mdoerr@9497:     vpmsumb,
gromero@9662:     mfdscr,
gromero@9662:     vsx,
ogatak@9713:     vshasig,
goetz@6458:     num_features // last entry to count features
goetz@6458:   };
goetz@6458:   enum Feature_Flag_Set {
goetz@6458:     unknown_m             = 0,
goetz@6458:     fsqrt_m               = (1 << fsqrt  ),
goetz@6515:     fsqrts_m              = (1 << fsqrts ),
goetz@6458:     isel_m                = (1 << isel   ),
goetz@6458:     lxarxeh_m             = (1 << lxarxeh),
goetz@6458:     cmpb_m                = (1 << cmpb   ),
goetz@6458:     popcntb_m             = (1 << popcntb),
goetz@6458:     popcntw_m             = (1 << popcntw),
goetz@6458:     fcfids_m              = (1 << fcfids ),
goetz@6458:     vand_m                = (1 << vand   ),
goetz@6458:     dcba_m                = (1 << dcba   ),
gromero@9662:     lqarx_m               = (1 << lqarx  ),
simonis@8608:     vcipher_m             = (1 << vcipher),
ogatak@9713:     vshasig_m             = (1 << vshasig),
mdoerr@9497:     vpmsumb_m             = (1 << vpmsumb),
gromero@9662:     mfdscr_m              = (1 << mfdscr ),
gromero@9662:     vsx_m                 = (1 << vsx    ),
goetz@6458:     all_features_m        = -1
goetz@6458:   };
goetz@6458:   static int  _features;
goetz@6458:   static int  _measured_cache_line_size;
goetz@6458:   static const char* _features_str;
goetz@6458:   static bool _is_determine_features_test_running;
goetz@6458: 
goetz@6458:   static void print_features();
goetz@6458:   static void determine_features(); // also measures cache line size
gromero@9662:   static void config_dscr(); // Power 8: Configure Data Stream Control Register.
goetz@6458:   static void determine_section_size();
goetz@6458:   static void power6_micro_bench();
goetz@6458: public:
goetz@6458:   // Initialization
goetz@6458:   static void initialize();
goetz@6458: 
goetz@6458:   static bool is_determine_features_test_running() { return _is_determine_features_test_running; }
goetz@6458:   // CPU instruction support
goetz@6458:   static bool has_fsqrt()   { return (_features & fsqrt_m) != 0; }
goetz@6515:   static bool has_fsqrts()  { return (_features & fsqrts_m) != 0; }
goetz@6458:   static bool has_isel()    { return (_features & isel_m) != 0; }
goetz@6458:   static bool has_lxarxeh() { return (_features & lxarxeh_m) !=0; }
goetz@6458:   static bool has_cmpb()    { return (_features & cmpb_m) != 0; }
goetz@6458:   static bool has_popcntb() { return (_features & popcntb_m) != 0; }
goetz@6458:   static bool has_popcntw() { return (_features & popcntw_m) != 0; }
goetz@6458:   static bool has_fcfids()  { return (_features & fcfids_m) != 0; }
goetz@6458:   static bool has_vand()    { return (_features & vand_m) != 0; }
goetz@6458:   static bool has_dcba()    { return (_features & dcba_m) != 0; }
gromero@9662:   static bool has_lqarx()   { return (_features & lqarx_m) != 0; }
simonis@8608:   static bool has_vcipher() { return (_features & vcipher_m) != 0; }
mdoerr@9497:   static bool has_vpmsumb() { return (_features & vpmsumb_m) != 0; }
gromero@9662:   static bool has_mfdscr()  { return (_features & mfdscr_m) != 0; }
gromero@9662:   static bool has_vsx()     { return (_features & vsx_m) != 0; }
ogatak@9713:   static bool has_vshasig() { return (_features & vshasig_m) != 0; }
goetz@6458: 
goetz@6458:   static const char* cpu_features() { return _features_str; }
goetz@6458: 
goetz@6458:   static int get_cache_line_size()  { return _measured_cache_line_size; }
goetz@6458: 
goetz@6458:   // Assembler testing
goetz@6458:   static void allow_all();
goetz@6458:   static void revert();
gromero@9662: 
gromero@9662:   // POWER 8: DSCR current value.
gromero@9662:   static uint64_t _dscr_val;
goetz@6458: };
goetz@6458: 
goetz@6458: #endif // CPU_PPC_VM_VM_VERSION_PPC_HPP