Mercurial > hg > graal-compiler
view src/cpu/ppc/vm/icache_ppc.cpp @ 20715:fd75f3dc8e1c
Added tag jdk8u40-b20 for changeset c3933f52eeb3
author | asaha |
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date | Fri, 02 Jan 2015 13:37:09 -0800 |
parents | 67fa91961822 |
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/* * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved. * Copyright 2012, 2013 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. * */ #include "precompiled.hpp" #include "assembler_ppc.inline.hpp" #include "runtime/icache.hpp" // Use inline assembler to implement icache flush. int ICache::ppc64_flush_icache(address start, int lines, int magic) { address end = start + (unsigned int)lines*ICache::line_size; assert(start <= end, "flush_icache parms"); // store modified cache lines from data cache for (address a = start; a < end; a += ICache::line_size) { __asm__ __volatile__( "dcbst 0, %0 \n" : : "r" (a) : "memory"); } // sync instruction __asm__ __volatile__( "sync \n" : : : "memory"); // invalidate respective cache lines in instruction cache for (address a = start; a < end; a += ICache::line_size) { __asm__ __volatile__( "icbi 0, %0 \n" : : "r" (a) : "memory"); } // discard fetched instructions __asm__ __volatile__( "isync \n" : : : "memory"); return magic; } void ICacheStubGenerator::generate_icache_flush(ICache::flush_icache_stub_t* flush_icache_stub) { StubCodeMark mark(this, "ICache", "flush_icache_stub"); *flush_icache_stub = (ICache::flush_icache_stub_t)ICache::ppc64_flush_icache; // First call to flush itself ICache::invalidate_range((address)(*flush_icache_stub), 0); }