1 /* Definitions of types that are used to store ARC architecture and
2    device information.
3    Copyright (C) 2016-2021 Free Software Foundation, Inc.
4    Contributed by Claudiu Zissulescu (claziss@synopsys.com)
5 
6 This file is part of GCC.
7 
8 GCC is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3, or (at your option)
11 any later version.
12 
13 GCC is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 GNU General Public License for more details.
17 
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING3.  If not see
20 <http://www.gnu.org/licenses/>.  */
21 
22 #ifndef GCC_ARC_ARCH_H
23 #define GCC_ARC_ARCH_H
24 
25 #ifndef IN_LIBGCC2
26 /* Architecture selection types.  */
27 
28 enum cpu_flags
29   {
30 #define ARC_OPT(NAME, CODE, MASK, DOC)	    NAME = CODE,
31 #define ARC_OPTX(NAME, CODE, VAR, VAL, DOC0, DOC1) NAME = CODE,
32 #include "arc-options.def"
33 #undef ARC_OPT
34 #undef ARC_OPTX
35     FL_END
36   };
37 
38 
39 /* ARC architecture variants.  */
40 
41 enum base_architecture
42   {
43     BASE_ARCH_NONE,
44 #define ARC_ARCH(NAME, ARCH, FLAGS, DFLAGS)  BASE_ARCH_##ARCH,
45 #include "arc-arches.def"
46 #undef ARC_ARCH
47     BASE_ARCH_END
48   };
49 
50 /* Architecture specific propoerties.  */
51 
52 typedef struct
53 {
54   /* Architecture name.  */
55   const char *const name;
56 
57   /* Architecture class.  */
58   enum base_architecture arch_id;
59 
60   /* All allowed flags for this architecture.  */
61   const unsigned long long flags;
62 
63   /* Default flags for this architecture.  It is a subset of
64      FLAGS.  */
65   const unsigned long long dflags;
66 } arc_arch_t;
67 
68 /* Tune variants.  Needs to match the attr_tune enum.  */
69 
70 enum arc_tune_attr
71   {
72     ARC_TUNE_NONE,
73     ARC_TUNE_ARC600,
74     ARC_TUNE_ARC7XX,
75     ARC_TUNE_ARC700_4_2_STD,
76     ARC_TUNE_ARC700_4_2_XMAC,
77     ARC_TUNE_CORE_3,
78     ARC_TUNE_ARCHS4X,
79     ARC_TUNE_ARCHS4XD,
80     ARC_TUNE_ARCHS4XD_SLOW
81   };
82 
83 /* Extra options for a processor template to hold any CPU specific
84    information which is not cover in arc-arches.def.  Such example is
85    the width of LP_COUNT register, or the number of register
86    banks.  */
87 
88 enum arc_extras
89 {
90   HAS_NONE,
91   HAS_LPCOUNT_16
92 };
93 
94 /* CPU specific properties.  */
95 
96 typedef struct
97 {
98   /* CPU name.  */
99   const char *const name;
100 
101   /* Architecture class.  */
102   const arc_arch_t *arch_info;
103 
104   /* Specific processor type.  */
105   enum processor_type processor;
106 
107   /* Specific flags.  */
108   const unsigned long long flags;
109 
110   /* Extra value.  */
111   enum arc_extras extra;
112 
113   /* Tune value.  */
114   enum arc_tune_attr tune;
115 
116 } arc_cpu_t;
117 
118 const arc_arch_t arc_arch_types[] =
119   {
120     {"none", BASE_ARCH_NONE, 0, 0},
121 #define ARC_ARCH(NAME, ARCH, FLAGS, DFLAGS)	\
122     {NAME, BASE_ARCH_##ARCH, FLAGS, DFLAGS},
123 #include "arc-arches.def"
124 #undef ARC_ARCH
125     {NULL, BASE_ARCH_END, 0, 0}
126   };
127 
128 const arc_cpu_t arc_cpu_types[] =
129   {
130     {"none", NULL, PROCESSOR_NONE, 0, HAS_NONE, ARC_TUNE_NONE},
131 #define ARC_CPU(NAME, ARCH, FLAGS, EXTRA, TUNE)				\
132     {#NAME, &arc_arch_types [BASE_ARCH_##ARCH], PROCESSOR_##NAME, FLAGS, HAS_##EXTRA, ARC_TUNE_##TUNE },
133 #include "arc-cpus.def"
134 #undef ARC_CPU
135     {NULL, NULL, PROCESSOR_NONE, 0, HAS_NONE, ARC_TUNE_NONE}
136   };
137 
138 /* Currently selected cpu type.  */
139 extern const arc_cpu_t *arc_selected_cpu;
140 
141 #endif
142 #endif /* GCC_ARC_ARCH_H */
143