Mercurial > hg > truffle
diff src/cpu/ppc/vm/icache_ppc.hpp @ 14408:ec28f9c041ff
8019972: PPC64 (part 9): platform files for interpreter only VM.
Summary: With this change the HotSpot core build works on Linux/PPC64. The VM succesfully executes simple test programs.
Reviewed-by: kvn
author | goetz |
---|---|
date | Fri, 02 Aug 2013 16:46:45 +0200 |
parents | |
children | 67fa91961822 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/cpu/ppc/vm/icache_ppc.hpp Fri Aug 02 16:46:45 2013 +0200 @@ -0,0 +1,44 @@ +/* + * Copyright (c) 2002, 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. + * + */ + +#ifndef CPU_PPC_VM_ICACHE_PPC_HPP +#define CPU_PPC_VM_ICACHE_PPC_HPP + +// Interface for updating the instruction cache. Whenever the VM modifies +// code, part of the processor instruction cache potentially has to be flushed. + +class ICache : public AbstractICache { + public: + enum { + // On PowerPC the cache line size is 32 bytes. + stub_size = 160, // Size of the icache flush stub in bytes. + line_size = 32, // Flush instruction affects 32 bytes. + log2_line_size = 5 // log2(line_size) + }; + + // Use default implementation +}; + +#endif // CPU_PPC_VM_ICACHE_PPC_HPP