1 /* 2 * Copyright (c) 1999, 2019, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef OS_CPU_SOLARIS_X86_OS_SOLARIS_X86_HPP 26 #define OS_CPU_SOLARIS_X86_OS_SOLARIS_X86_HPP 27 28 // 29 // NOTE: we are back in class os here, not Solaris 30 // 31 #ifdef AMD64 setup_fpu()32 static void setup_fpu() {} 33 #else 34 static int32_t (*atomic_xchg_func) (int32_t, volatile int32_t*); 35 static int32_t (*atomic_cmpxchg_func) (int32_t, volatile int32_t*, int32_t); 36 static int64_t (*atomic_cmpxchg_long_func)(int64_t, volatile int64_t*, int64_t); 37 static int32_t (*atomic_add_func) (int32_t, volatile int32_t*); 38 39 static int32_t atomic_xchg_bootstrap (int32_t, volatile int32_t*); 40 static int32_t atomic_cmpxchg_bootstrap (int32_t, volatile int32_t*, int32_t); 41 static int64_t atomic_cmpxchg_long_bootstrap(int64_t, volatile int64_t*, int64_t); 42 static int32_t atomic_add_bootstrap (int32_t, volatile int32_t*); 43 44 static void setup_fpu(); 45 #endif // AMD64 46 47 static bool supports_sse(); 48 49 static jlong rdtsc(); 50 51 static bool is_allocatable(size_t bytes); 52 53 // Used to register dynamic code cache area with the OS 54 // Note: Currently only used in 64 bit Windows implementations register_code_area(char * low,char * high)55 static bool register_code_area(char *low, char *high) { return true; } 56 57 #endif // OS_CPU_SOLARIS_X86_OS_SOLARIS_X86_HPP 58