Mercurial > hg > truffle
diff src/os/aix/vm/globals_aix.hpp @ 14415:666e6ce3976c
8023038: PPC64 (part 15): Platform files for AIX/PPC64 support
Reviewed-by: kvn
author | simonis |
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date | Fri, 06 Sep 2013 20:16:09 +0200 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/os/aix/vm/globals_aix.hpp Fri Sep 06 20:16:09 2013 +0200 @@ -0,0 +1,63 @@ +/* + * Copyright (c) 2005, 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 OS_AIX_VM_GLOBALS_AIX_HPP +#define OS_AIX_VM_GLOBALS_AIX_HPP + +// +// Defines Aix specific flags. They are not available on other platforms. +// +#define RUNTIME_OS_FLAGS(develop, develop_pd, product, product_pd, diagnostic, notproduct) \ + \ + /* If UseLargePages == true allow or deny usage of 16M pages. 16M pages are */ \ + /* a scarce resource and there may be situations where we do not want the VM */ \ + /* to run with 16M pages. (Will fall back to 64K pages). */ \ + product_pd(bool, Use16MPages, \ + "Use 16M pages if available.") \ + \ + /* use optimized addresses for the polling page, */ \ + /* e.g. map it to a special 32-bit address. */ \ + product_pd(bool, OptimizePollingPageLocation, \ + "Optimize the location of the polling page used for Safepoints") \ + \ + product_pd(intx, AttachListenerTimeout, \ + "Timeout in ms the attach listener waits for a request") \ + \ + +// Per default, do not allow 16M pages. 16M pages have to be switched on specifically. +define_pd_global(bool, Use16MPages, false); +define_pd_global(bool, OptimizePollingPageLocation, true); +define_pd_global(intx, AttachListenerTimeout, 1000); + +// +// Defines Aix-specific default values. The flags are available on all +// platforms, but they may have different default values on other platforms. +// +define_pd_global(bool, UseLargePages, true); +define_pd_global(bool, UseLargePagesIndividualAllocation, false); +define_pd_global(bool, UseOSErrorReporting, false); +define_pd_global(bool, UseThreadPriorities, true) ; + +#endif // OS_AIX_VM_GLOBALS_AIX_HPP