1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/cpu/mips/vm/vm_version_mips.cpp Fri Apr 29 00:06:10 2016 +0800
1.3 @@ -0,0 +1,120 @@
1.4 +/*
1.5 + * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
1.6 + * Copyright (c) 2015, 2016, Loongson Technology. All rights reserved.
1.7 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.8 + *
1.9 + * This code is free software; you can redistribute it and/or modify it
1.10 + * under the terms of the GNU General Public License version 2 only, as
1.11 + * published by the Free Software Foundation.
1.12 + *
1.13 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.14 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.15 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.16 + * version 2 for more details (a copy is included in the LICENSE file that
1.17 + * accompanied this code).
1.18 + *
1.19 + * You should have received a copy of the GNU General Public License version
1.20 + * 2 along with this work; if not, write to the Free Software Foundation,
1.21 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.22 + *
1.23 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.24 + * or visit www.oracle.com if you need additional information or have any
1.25 + * questions.
1.26 + *
1.27 + */
1.28 +
1.29 +#include "precompiled.hpp"
1.30 +#include "asm/macroAssembler.hpp"
1.31 +#include "asm/macroAssembler.inline.hpp"
1.32 +#include "memory/resourceArea.hpp"
1.33 +#include "runtime/java.hpp"
1.34 +#include "runtime/stubCodeGenerator.hpp"
1.35 +#include "vm_version_mips.hpp"
1.36 +#ifdef TARGET_OS_FAMILY_linux
1.37 +# include "os_linux.inline.hpp"
1.38 +#endif
1.39 +#ifdef TARGET_OS_FAMILY_solaris
1.40 +# include "os_solaris.inline.hpp"
1.41 +#endif
1.42 +#ifdef TARGET_OS_FAMILY_windows
1.43 +# include "os_windows.inline.hpp"
1.44 +#endif
1.45 +#ifdef TARGET_OS_FAMILY_bsd
1.46 +# include "os_bsd.inline.hpp"
1.47 +#endif
1.48 +/*
1.49 +int VM_Version::_cpu;
1.50 +int VM_Version::_model;
1.51 +int VM_Version::_stepping;
1.52 +int VM_Version::_cpuFeatures;
1.53 +const char* VM_Version::_features_str = "";
1.54 +VM_Version::CpuidInfo VM_Version::_cpuid_info = { 0, };
1.55 +
1.56 +static BufferBlob* stub_blob;
1.57 +static const int stub_size = 300;
1.58 +
1.59 +extern "C" {
1.60 + typedef void (*getPsrInfo_stub_t)(void*);
1.61 +}
1.62 +static getPsrInfo_stub_t getPsrInfo_stub = NULL;
1.63 +*/
1.64 +int VM_Version::_features = VM_Version::unknown_m;
1.65 +const char* VM_Version::_features_str = "";
1.66 +/*
1.67 +class VM_Version_StubGenerator: public StubCodeGenerator {
1.68 + public:
1.69 +
1.70 + VM_Version_StubGenerator(CodeBuffer *c) : StubCodeGenerator(c) {}
1.71 +
1.72 + address generate_getPsrInfo() {
1.73 + };
1.74 +};
1.75 +
1.76 +
1.77 +void VM_Version::get_processor_features() {
1.78 +}
1.79 +*/
1.80 +void VM_Version::initialize() {
1.81 + _features = determine_features();
1.82 + //no need, Abstract_VM_Version already define it as false
1.83 + _supports_cx8 = true;
1.84 +
1.85 + char buf[256];
1.86 + jio_snprintf(buf, sizeof(buf), "%s, %s"
1.87 +#ifdef OPT_RANGECHECK
1.88 + ", optimized range check"
1.89 +#endif
1.90 +#ifdef OPT_PHI_1
1.91 + ", optimized phi"
1.92 +#endif
1.93 +#ifdef OPT_MERGE
1.94 + ", optimized merge"
1.95 +#endif
1.96 + , (has_l2_cache() ? "has_l2_cache" : ""), (has_16k_page() ? "has_16k_page" : "")
1.97 + );
1.98 + //////////////////////add some other feature here//////////////////
1.99 +
1.100 + // buf is started with ", " or is empty
1.101 + _features_str = strdup(buf);
1.102 + NOT_PRODUCT( if (PrintMiscellaneous && Verbose) print_features(); );
1.103 +}
1.104 +
1.105 +void VM_Version::print_features() {
1.106 + tty->print_cr("Version:%s", cpu_features());
1.107 +}
1.108 +
1.109 +int VM_Version::determine_features() {
1.110 + //////////////////////add some other feature here//////////////////
1.111 + return spt_16k_page_m;
1.112 +}
1.113 +
1.114 +static int saved_features = 0;
1.115 +
1.116 +void VM_Version::allow_all() {
1.117 + saved_features = _features;
1.118 + _features = all_features_m;
1.119 +}
1.120 +
1.121 +void VM_Version::revert() {
1.122 + _features = saved_features;
1.123 +}
