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83 lines
1.8 KiB
C
83 lines
1.8 KiB
C
/* Program execution for Emacs.
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Copyright (C) 2023-2024 Free Software Foundation, Inc.
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This file is part of GNU Emacs.
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GNU Emacs is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or (at
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your option) any later version.
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GNU Emacs is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>. */
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#ifndef _MIPSFPU_H_
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#define _MIPSFPU_H_
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#include "exec.h"
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struct mips_elf_abi_flags
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{
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/* Version of flags structure. */
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uint16_t version;
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/* The level of the ISA: 1-5, 32, 64. */
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uint8_t isa_level;
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/* The revision of ISA: 0 for MIPS V and below, 1-n otherwise. */
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uint8_t isa_rev;
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/* The size of general purpose registers. */
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uint8_t gpr_size;
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/* The size of co-processor 1 registers. */
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uint8_t cpr1_size;
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/* The size of co-processor 2 registers. */
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uint8_t cpr2_size;
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/* The floating-point ABI. */
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uint8_t fp_abi;
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/* Mask of processor-specific extensions. */
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uint32_t isa_ext;
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/* Mask of ASEs used. */
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uint32_t ases;
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/* Mask of general flags. */
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uint32_t flags1;
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/* Mask of general flags. */
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uint32_t flags2;
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};
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/* Floating point modes. */
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#define FP_FR0 0
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#define FP_FR1 1
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#define FP_FRE 3
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/* Defined in mipsfpu.c. */
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extern bool cpu_supports_fr0_p (void);
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extern int determine_fpu_mode (elf_header *, elf_header *,
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int *, struct mips_elf_abi_flags *,
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struct mips_elf_abi_flags *);
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#endif /* _MIPSFPU_H_ */
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