| /* |
| * Copyright (c) 1999, 2020, Oracle and/or its affiliates. All rights reserved. |
| * Copyright (c) 2014, 2015, Red Hat Inc. All rights reserved. |
| * Copyright (c) 2020, 2022, Huawei Technologies Co., Ltd. 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 |
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| */ |
| |
| #ifndef CPU_RISCV_GLOBALDEFINITIONS_RISCV_HPP |
| #define CPU_RISCV_GLOBALDEFINITIONS_RISCV_HPP |
| |
| const int StackAlignmentInBytes = 16; |
| const size_t pd_segfault_address = 1024; |
| |
| // Indicates whether the C calling conventions require that |
| // 32-bit integer argument values are extended to 64 bits. |
| const bool CCallingConventionRequiresIntsAsLongs = false; |
| |
| // RISCV has adopted a multicopy atomic model closely following |
| // that of ARMv8. |
| #define CPU_MULTI_COPY_ATOMIC |
| |
| // To be safe, we deoptimize when we come across an access that needs |
| // patching. This is similar to what is done on aarch64. |
| #define DEOPTIMIZE_WHEN_PATCHING |
| |
| #define SUPPORTS_NATIVE_CX8 |
| |
| #define SUPPORT_MONITOR_COUNT |
| |
| #define SUPPORT_RESERVED_STACK_AREA |
| |
| #define USE_POINTERS_TO_REGISTER_IMPL_ARRAY |
| |
| #define DEFAULT_CACHE_LINE_SIZE 64 |
| |
| #endif // CPU_RISCV_GLOBALDEFINITIONS_RISCV_HPP |