1 files changed, 82 insertions, 0 deletions
diff --git a/exec/mipsfpu.h b/exec/mipsfpu.h
new file mode 100644
index 00000000000..1669102942b
--- /dev/null
+++ b/exec/mipsfpu.h
@@ -0,0 +1,82 @@
+/* Program execution for Emacs.
+
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
+
+This file is part of GNU Emacs.
+
+GNU Emacs is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or (at
+your option) any later version.
+
+GNU Emacs 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 for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.  */
+
+
+
+#ifndef _MIPSFPU_H_
+#define _MIPSFPU_H_
+
+#include "exec.h"
+
+struct mips_elf_abi_flags
+{
+  /* Version of flags structure.  */
+  uint16_t version;
+
+  /* The level of the ISA: 1-5, 32, 64.  */
+  uint8_t isa_level;
+
+  /* The revision of ISA: 0 for MIPS V and below, 1-n otherwise.  */
+  uint8_t isa_rev;
+
+  /* The size of general purpose registers.  */
+  uint8_t gpr_size;
+
+  /* The size of co-processor 1 registers.  */
+  uint8_t cpr1_size;
+
+  /* The size of co-processor 2 registers.  */
+  uint8_t cpr2_size;
+
+  /* The floating-point ABI.  */
+  uint8_t fp_abi;
+
+  /* Mask of processor-specific extensions.  */
+  uint32_t isa_ext;
+
+  /* Mask of ASEs used.  */
+  uint32_t ases;
+
+  /* Mask of general flags.  */
+  uint32_t flags1;
+
+  /* Mask of general flags.  */
+  uint32_t flags2;
+};
+
+
+
+/* Floating point modes.  */
+
+#define FP_FR0		0
+#define FP_FR1		1
+#define FP_FRE		3
+
+
+
+/* Defined in mipsfpu.c.  */
+
+extern bool cpu_supports_fr0_p (void);
+extern int determine_fpu_mode (elf_header *, elf_header *,
+			       int *, struct mips_elf_abi_flags *,
+			       struct mips_elf_abi_flags *);
+
+
+
+#endif /* _MIPSFPU_H_ */