jdk8-mips64-public/hotspot: src/cpu/x86/vm/icache

6814575: Update copyright year
Summary: Update copyright for files that have been modified in 2009, up to 03/09
Reviewed-by: katleman, tbell, ohair

     1 /*

     2  * Copyright 1997-2008 Sun Microsystems, Inc.  All Rights Reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  *

    23  */

    25 #include "incls/_precompiled.incl"

    26 #include "incls/_icache_x86.cpp.incl"

    28 #define __ _masm->

    30 void ICacheStubGenerator::generate_icache_flush(ICache::flush_icache_stub_t* flush_icache_stub) {

    31   StubCodeMark mark(this, "ICache", "flush_icache_stub");

    33   address start = __ pc();

    34 #ifdef AMD64

    36   const Register addr  = c_rarg0;

    37   const Register lines = c_rarg1;

    38   const Register magic = c_rarg2;

    40   Label flush_line, done;

    42   __ testl(lines, lines);

    43   __ jcc(Assembler::zero, done);

    45   // Force ordering wrt cflush.

    46   // Other fence and sync instructions won't do the job.

    47   __ mfence();

    49   __ bind(flush_line);

    50   __ clflush(Address(addr, 0));

    51   __ addptr(addr, ICache::line_size);

    52   __ decrementl(lines);

    53   __ jcc(Assembler::notZero, flush_line);

    55   __ mfence();

    57   __ bind(done);

    59 #else

    60   const Address magic(rsp, 3*wordSize);

    61   __ lock(); __ addl(Address(rsp, 0), 0);

    62 #endif // AMD64

    63   __ movptr(rax, magic); // Handshake with caller to make sure it happened!

    64   __ ret(0);

    66   // Must be set here so StubCodeMark destructor can call the flush stub.

    67   *flush_icache_stub = (ICache::flush_icache_stub_t)start;

    68 }

    70 #undef __

src/cpu/x86/vm/icache_x86.cpp@0fbdb4381b99