xref: /netbsd-src/external/gpl3/gcc.old/dist/gcc/config/avr/avr-devices.c (revision bdc22b2e01993381dcefeff2bc9b56ca75a4235c)
1 /* Copyright (C) 2009-2015 Free Software Foundation, Inc.
2    Contributed by Anatoly Sokolov (aesok@post.ru)
3 
4    This file is part of GCC.
5 
6    GCC 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, or (at your option)
9    any later version.
10 
11    GCC 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 GCC; see the file COPYING3.  If not see
18    <http://www.gnu.org/licenses/>.  */
19 
20 #ifndef IN_GEN_AVR_MMCU_TEXI
21 #include "config.h"
22 #include "system.h"
23 #include "coretypes.h"
24 #include "diagnostic.h"
25 #include "tm.h"
26 #endif /* IN_GEN_AVR_MMCU_TEXI */
27 
28 #include "avr-arch.h"
29 
30 /* List of all known AVR MCU architectures.
31    Order as of enum avr_arch from avr.h.  */
32 
33 const avr_arch_t
34 avr_arch_types[] =
35 {
36   /* unknown device specified */
37   { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x0060, 32, NULL, AVR_MMCU_DEFAULT },
38   /*
39     A  M  J  LM E  E  E  X  R  T  d S   S O   A
40     S  U  M  PO L  L  I  M  A  I  a t   F ff  r
41     M  L  P  MV P  P  J  E  M  N  t a   R s   c
42              XW M  M  M  G  P  Y  a r     e   h
43                    X  P  A  D       t     t   ID   */
44   { 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x0060, 32, "1",   "avr1"  },
45   { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x0060, 32, "2",   "avr2"  },
46   { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0x0060, 32, "25",  "avr25" },
47   { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0x0060, 32, "3",   "avr3"  },
48   { 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0x0060, 32, "31",  "avr31" },
49   { 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0x0060, 32, "35",  "avr35" },
50   { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0x0060, 32, "4",   "avr4"  },
51   { 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0x0060, 32, "5",   "avr5"  },
52   { 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0x0060, 32, "51",  "avr51" },
53   { 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0x0060, 32, "6",   "avr6"  },
54 
55   { 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0x0040,  0, "100", "avrtiny" },
56   { 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0x2000,  0, "102", "avrxmega2" },
57   { 0, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0x2000,  0, "104", "avrxmega4" },
58   { 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0x2000,  0, "105", "avrxmega5" },
59   { 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0x2000,  0, "106", "avrxmega6" },
60   { 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0x2000,  0, "107", "avrxmega7" }
61 };
62 
63 const avr_arch_info_t
64 avr_texinfo[] =
65 {
66   { ARCH_AVR1,
67     "This ISA is implemented by the minimal AVR core and supported "
68     "for assembler only." },
69   { ARCH_AVR2,
70     "``Classic'' devices with up to 8@tie{}KiB of program memory." },
71   { ARCH_AVR25,
72     "``Classic'' devices with up to 8@tie{}KiB of program memory and with "
73     "the @code{MOVW} instruction." },
74   { ARCH_AVR3,
75     "``Classic'' devices with 16@tie{}KiB up to 64@tie{}KiB of "
76     " program memory." },
77   { ARCH_AVR31,
78     "``Classic'' devices with 128@tie{}KiB of program memory." },
79   { ARCH_AVR35,
80     "``Classic'' devices with 16@tie{}KiB up to 64@tie{}KiB of "
81     "program memory and with the @code{MOVW} instruction." },
82   { ARCH_AVR4,
83     "``Enhanced'' devices with up to 8@tie{}KiB of program memory." },
84   { ARCH_AVR5,
85     "``Enhanced'' devices with 16@tie{}KiB up to 64@tie{}KiB of "
86     "program memory." },
87   { ARCH_AVR51,
88     "``Enhanced'' devices with 128@tie{}KiB of program memory." },
89   { ARCH_AVR6,
90     "``Enhanced'' devices with 3-byte PC, i.e.@: with more than 128@tie{}KiB "
91     "of program memory." },
92   { ARCH_AVRTINY,
93     "``TINY'' Tiny core devices with 512@tie{}B up to 4@tie{}KiB of "
94     "program memory." },
95   { ARCH_AVRXMEGA2,
96     "``XMEGA'' devices with more than 8@tie{}KiB and up to 64@tie{}KiB "
97     "of program memory." },
98   { ARCH_AVRXMEGA4,
99     "``XMEGA'' devices with more than 64@tie{}KiB and up to 128@tie{}KiB "
100     "of program memory." },
101   { ARCH_AVRXMEGA5,
102     "``XMEGA'' devices with more than 64@tie{}KiB and up to 128@tie{}KiB "
103     "of program memory and more than 64@tie{}KiB of RAM." },
104   { ARCH_AVRXMEGA6,
105     "``XMEGA'' devices with more than 128@tie{}KiB of program memory." },
106   { ARCH_AVRXMEGA7,
107     "``XMEGA'' devices with more than 128@tie{}KiB of program memory "
108     "and more than 64@tie{}KiB of RAM." }
109 };
110 
111 const avr_mcu_t
112 avr_mcu_types[] =
113 {
114 #define AVR_MCU(NAME, ARCH, DEV_ATTRIBUTE, MACRO, DATA_SEC, TEXT_SEC, N_FLASH)\
115   { NAME, ARCH, DEV_ATTRIBUTE, MACRO, DATA_SEC, TEXT_SEC, N_FLASH },
116 #include "avr-mcus.def"
117 #undef AVR_MCU
118     /* End of list.  */
119   { NULL, ARCH_UNKNOWN, AVR_ISA_NONE, NULL, 0, 0, 0 }
120 };
121 
122 
123 
124 
125 #ifndef IN_GEN_AVR_MMCU_TEXI
126 
127 /* Copy-pastes from `gen-avr-mmcu-texi.c' follow...  */
128 
129 static const char*
130 mcu_name[sizeof avr_mcu_types / sizeof avr_mcu_types[0]];
131 
132 static int
133 comparator (const void *va, const void *vb)
134 {
135   const char *a = *(const char* const*) va;
136   const char *b = *(const char* const*) vb;
137 
138   while (*a && *b)
139     {
140       /* Make letters smaller than digits so that `atmega16a' follows
141          `atmega16' without `atmega161' etc. between them.  */
142 
143       if (ISALPHA (*a) && ISDIGIT (*b))
144         return -1;
145 
146       if (ISDIGIT (*a) && ISALPHA (*b))
147         return 1;
148 
149       if (*a != *b)
150         return *a - *b;
151 
152       a++;
153       b++;
154     }
155 
156   return *a - *b;
157 }
158 
159 
160 static char*
161 avr_archs_str (void)
162 {
163   char *archs = concat ("", NULL);
164 
165   // Build of core architectures' names.
166 
167   for (const avr_mcu_t *mcu = avr_mcu_types; mcu->name; mcu++)
168     if (!mcu->macro)
169       archs = concat (archs, " ", avr_arch_types[mcu->arch_id].name, NULL);
170 
171   return archs;
172 }
173 
174 
175 static char*
176 avr_mcus_str (void)
177 {
178   size_t n_mcus = 0;
179   char *mcus = concat ("", NULL);
180 
181   // Build array of proper devices' names.
182 
183   for (const avr_mcu_t *mcu = avr_mcu_types; mcu->name; mcu++)
184     if (mcu->macro)
185       mcu_name[n_mcus++] = mcu->name;
186 
187   // Sort MCUs so that they are displayed in the same canonical order as
188   // in doc/avr-mcus.texi.
189 
190   qsort (mcu_name, n_mcus, sizeof (char*), comparator);
191 
192   for (size_t i = 0; i < n_mcus; i++)
193     mcus = concat (mcus, " ", mcu_name[i], NULL);
194 
195   return mcus;
196 }
197 
198 
199 void
200 avr_inform_devices (void)
201 {
202   char *mcus = avr_mcus_str ();
203   inform (input_location, "devices natively supported:%s", mcus);
204   free (mcus);
205 }
206 
207 
208 void
209 avr_inform_core_architectures (void)
210 {
211   char *archs = avr_archs_str ();
212   inform (input_location, "supported core architectures:%s", archs);
213   free (archs);
214 }
215 
216 #endif // IN_GEN_AVR_MMCU_TEXI
217