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Diffstat (limited to 'target/riscv/internals.h')
| -rw-r--r-- | target/riscv/internals.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/target/riscv/internals.h b/target/riscv/internals.h new file mode 100644 index 0000000000..37d33820ad --- /dev/null +++ b/target/riscv/internals.h @@ -0,0 +1,41 @@ +/* + * QEMU RISC-V CPU -- internal functions and types + * + * Copyright (c) 2020 T-Head Semiconductor Co., Ltd. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2 or later, as published by the Free Software Foundation. + * + * This program is distributed in the hope 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 for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef RISCV_CPU_INTERNALS_H +#define RISCV_CPU_INTERNALS_H + +#include "hw/registerfields.h" + +/* share data between vector helpers and decode code */ +FIELD(VDATA, MLEN, 0, 8) +FIELD(VDATA, VM, 8, 1) +FIELD(VDATA, LMUL, 9, 2) +FIELD(VDATA, NF, 11, 4) +FIELD(VDATA, WD, 11, 1) + +/* float point classify helpers */ +target_ulong fclass_h(uint64_t frs1); +target_ulong fclass_s(uint64_t frs1); +target_ulong fclass_d(uint64_t frs1); + +#define SEW8 0 +#define SEW16 1 +#define SEW32 2 +#define SEW64 3 + +#endif |