1 /* Definitions of types that are used to store ARC architecture and
2    device information.
3    Copyright (C) 2016-2018 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, DOC) 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_ARC700_4_2_STD,
75     ARC_TUNE_ARC700_4_2_XMAC,
76     ARC_TUNE_CORE_3
77   };
78 
79 /* CPU specific properties.  */
80 
81 typedef struct
82 {
83   /* CPU name.  */
84   const char *const name;
85 
86   /* Architecture class.  */
87   const arc_arch_t *arch_info;
88 
89   /* Specific processor type.  */
90   enum processor_type processor;
91 
92   /* Specific flags.  */
93   const unsigned long long flags;
94 
95   /* Tune value.  */
96   enum arc_tune_attr tune;
97 
98 } arc_cpu_t;
99 
100 const arc_arch_t arc_arch_types[] =
101   {
102     {"none", BASE_ARCH_NONE, 0, 0},
103 #define ARC_ARCH(NAME, ARCH, FLAGS, DFLAGS)	\
104     {NAME, BASE_ARCH_##ARCH, FLAGS, DFLAGS},
105 #include "arc-arches.def"
106 #undef ARC_ARCH
107     {NULL, BASE_ARCH_END, 0, 0}
108   };
109 
110 const arc_cpu_t arc_cpu_types[] =
111   {
112     {"none", NULL, PROCESSOR_NONE, 0, ARC_TUNE_NONE},
113 #define ARC_CPU(NAME, ARCH, FLAGS, TUNE)	\
114     {#NAME, &arc_arch_types [BASE_ARCH_##ARCH], PROCESSOR_##NAME, FLAGS, ARC_TUNE_##TUNE },
115 #include "arc-cpus.def"
116 #undef ARC_CPU
117     {NULL, NULL, PROCESSOR_NONE, 0, ARC_TUNE_NONE}
118   };
119 
120 /* Currently selected cpu type.  */
121 extern const arc_cpu_t *arc_selected_cpu;
122 
123 #endif
124 #endif /* GCC_ARC_ARCH_H */
125