bfd/cpu-riscv.h

   1 /* RISC-V spec version controlling support.
   2    Copyright (C) 2019-2020 Free Software Foundation, Inc.
   3
   4    This file is part of BFD, the Binary File Descriptor library.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  19    MA 02110-1301, USA.  */
  20
  21 enum riscv_spec_class
  22 {
  23   /* ISA spec.  */
  24   ISA_SPEC_CLASS_NONE = 0,
  25   ISA_SPEC_CLASS_2P2,
  26   ISA_SPEC_CLASS_20190608,
  27   ISA_SPEC_CLASS_20191213,
  28   ISA_SPEC_CLASS_DRAFT,
  29
  30   /* Privileged spec.  */
  31   PRIV_SPEC_CLASS_NONE,
  32   PRIV_SPEC_CLASS_1P9P1,
  33   PRIV_SPEC_CLASS_1P10,
  34   PRIV_SPEC_CLASS_1P11,
  35   PRIV_SPEC_CLASS_DRAFT,
  36 };
  37
  38 struct riscv_spec
  39 {
  40   const char *name;
  41   enum riscv_spec_class spec_class;
  42 };
  43
  44 extern const struct riscv_spec riscv_isa_specs[];
  45 extern const struct riscv_spec riscv_priv_specs[];
  46
  47 #define RISCV_GET_SPEC_CLASS(UTYPE, LTYPE, NAME, CLASS)                 \
  48   do                                                                    \
  49     {                                                                   \
  50       if (NAME == NULL)                                                 \
  51         break;                                                          \
  52                                                                         \
  53       int i_spec = UTYPE##_SPEC_CLASS_NONE + 1;                         \
  54       for (; i_spec < UTYPE##_SPEC_CLASS_DRAFT; i_spec++)               \
  55         {                                                               \
  56           int j_spec = i_spec - UTYPE##_SPEC_CLASS_NONE -1;             \
  57           if (riscv_##LTYPE##_specs[j_spec].name                        \
  58               && strcmp (riscv_##LTYPE##_specs[j_spec].name, NAME) == 0)\
  59           {                                                             \
  60             CLASS = riscv_##LTYPE##_specs[j_spec].spec_class;           \
  61             break;                                                      \
  62           }                                                             \
  63         }                                                               \
  64     }                                                                   \
  65   while (0)
  66
  67 #define RISCV_GET_SPEC_NAME(UTYPE, LTYPE, NAME, CLASS)                  \
  68   (NAME) = riscv_##LTYPE##_specs[(CLASS) - UTYPE##_SPEC_CLASS_NONE - 1].name
  69
  70 #define RISCV_GET_ISA_SPEC_CLASS(NAME, CLASS)   \
  71   RISCV_GET_SPEC_CLASS(ISA, isa, NAME, CLASS)
  72 #define RISCV_GET_PRIV_SPEC_CLASS(NAME, CLASS)  \
  73   RISCV_GET_SPEC_CLASS(PRIV, priv, NAME, CLASS)
  74 #define RISCV_GET_PRIV_SPEC_NAME(NAME, CLASS)   \
  75   RISCV_GET_SPEC_NAME(PRIV, priv, NAME, CLASS)
  76
  77 extern void
  78 riscv_get_priv_spec_class_from_numbers (unsigned int,
  79                                         unsigned int,
  80                                         unsigned int,
  81                                         enum riscv_spec_class *);