clang 20.0.0git
AVR.cpp
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1//===--- AVR.cpp - Implement AVR target feature support -------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file implements AVR TargetInfo objects.
10//
11//===----------------------------------------------------------------------===//
12
13#include "AVR.h"
14#include "clang/Basic/MacroBuilder.h"
15#include "llvm/ADT/StringSwitch.h"
16
17using namespace clang;
18using namespace clang::targets;
19
20namespace clang {
21namespace targets {
22
23/// Information about a specific microcontroller.
24struct LLVM_LIBRARY_VISIBILITY MCUInfo {
25 const char *Name;
26 const char *DefineName;
27 StringRef Arch; // The __AVR_ARCH__ value.
28 const int NumFlashBanks; // Set to 0 for the devices do not support LPM/ELPM.
29};
30
31// NOTE: This list has been synchronized with gcc-avr 5.4.0 and avr-libc 2.0.0.
32static MCUInfo AVRMcus[] = {
33 {"avr1", NULL, "1", 0},
34 {"at90s1200", "__AVR_AT90S1200__", "1", 0},
35 {"attiny11", "__AVR_ATtiny11__", "1", 0},
36 {"attiny12", "__AVR_ATtiny12__", "1", 0},
37 {"attiny15", "__AVR_ATtiny15__", "1", 0},
38 {"attiny28", "__AVR_ATtiny28__", "1", 0},
39 {"avr2", NULL, "2", 1},
40 {"at90s2313", "__AVR_AT90S2313__", "2", 1},
41 {"at90s2323", "__AVR_AT90S2323__", "2", 1},
42 {"at90s2333", "__AVR_AT90S2333__", "2", 1},
43 {"at90s2343", "__AVR_AT90S2343__", "2", 1},
44 {"attiny22", "__AVR_ATtiny22__", "2", 1},
45 {"attiny26", "__AVR_ATtiny26__", "2", 1},
46 {"at86rf401", "__AVR_AT86RF401__", "25", 1},
47 {"at90s4414", "__AVR_AT90S4414__", "2", 1},
48 {"at90s4433", "__AVR_AT90S4433__", "2", 1},
49 {"at90s4434", "__AVR_AT90S4434__", "2", 1},
50 {"at90s8515", "__AVR_AT90S8515__", "2", 1},
51 {"at90c8534", "__AVR_AT90c8534__", "2", 1},
52 {"at90s8535", "__AVR_AT90S8535__", "2", 1},
53 {"avr25", NULL, "25", 1},
54 {"ata5272", "__AVR_ATA5272__", "25", 1},
55 {"ata6616c", "__AVR_ATA6616c__", "25", 1},
56 {"attiny13", "__AVR_ATtiny13__", "25", 1},
57 {"attiny13a", "__AVR_ATtiny13A__", "25", 1},
58 {"attiny2313", "__AVR_ATtiny2313__", "25", 1},
59 {"attiny2313a", "__AVR_ATtiny2313A__", "25", 1},
60 {"attiny24", "__AVR_ATtiny24__", "25", 1},
61 {"attiny24a", "__AVR_ATtiny24A__", "25", 1},
62 {"attiny4313", "__AVR_ATtiny4313__", "25", 1},
63 {"attiny44", "__AVR_ATtiny44__", "25", 1},
64 {"attiny44a", "__AVR_ATtiny44A__", "25", 1},
65 {"attiny84", "__AVR_ATtiny84__", "25", 1},
66 {"attiny84a", "__AVR_ATtiny84A__", "25", 1},
67 {"attiny25", "__AVR_ATtiny25__", "25", 1},
68 {"attiny45", "__AVR_ATtiny45__", "25", 1},
69 {"attiny85", "__AVR_ATtiny85__", "25", 1},
70 {"attiny261", "__AVR_ATtiny261__", "25", 1},
71 {"attiny261a", "__AVR_ATtiny261A__", "25", 1},
72 {"attiny441", "__AVR_ATtiny441__", "25", 1},
73 {"attiny461", "__AVR_ATtiny461__", "25", 1},
74 {"attiny461a", "__AVR_ATtiny461A__", "25", 1},
75 {"attiny841", "__AVR_ATtiny841__", "25", 1},
76 {"attiny861", "__AVR_ATtiny861__", "25", 1},
77 {"attiny861a", "__AVR_ATtiny861A__", "25", 1},
78 {"attiny87", "__AVR_ATtiny87__", "25", 1},
79 {"attiny43u", "__AVR_ATtiny43U__", "25", 1},
80 {"attiny48", "__AVR_ATtiny48__", "25", 1},
81 {"attiny88", "__AVR_ATtiny88__", "25", 1},
82 {"attiny828", "__AVR_ATtiny828__", "25", 1},
83 {"avr3", NULL, "3", 1},
84 {"at43usb355", "__AVR_AT43USB355__", "3", 1},
85 {"at76c711", "__AVR_AT76C711__", "3", 1},
86 {"avr31", NULL, "31", 1},
87 {"atmega103", "__AVR_ATmega103__", "31", 1},
88 {"at43usb320", "__AVR_AT43USB320__", "31", 1},
89 {"avr35", NULL, "35", 1},
90 {"attiny167", "__AVR_ATtiny167__", "35", 1},
91 {"at90usb82", "__AVR_AT90USB82__", "35", 1},
92 {"at90usb162", "__AVR_AT90USB162__", "35", 1},
93 {"ata5505", "__AVR_ATA5505__", "35", 1},
94 {"ata6617c", "__AVR_ATA6617C__", "35", 1},
95 {"ata664251", "__AVR_ATA664251__", "35", 1},
96 {"atmega8u2", "__AVR_ATmega8U2__", "35", 1},
97 {"atmega16u2", "__AVR_ATmega16U2__", "35", 1},
98 {"atmega32u2", "__AVR_ATmega32U2__", "35", 1},
99 {"attiny1634", "__AVR_ATtiny1634__", "35", 1},
100 {"avr4", NULL, "4", 1},
101 {"atmega8", "__AVR_ATmega8__", "4", 1},
102 {"ata6289", "__AVR_ATA6289__", "4", 1},
103 {"atmega8a", "__AVR_ATmega8A__", "4", 1},
104 {"ata6285", "__AVR_ATA6285__", "4", 1},
105 {"ata6286", "__AVR_ATA6286__", "4", 1},
106 {"ata6612c", "__AVR_ATA6612C__", "4", 1},
107 {"atmega48", "__AVR_ATmega48__", "4", 1},
108 {"atmega48a", "__AVR_ATmega48A__", "4", 1},
109 {"atmega48pa", "__AVR_ATmega48PA__", "4", 1},
110 {"atmega48pb", "__AVR_ATmega48PB__", "4", 1},
111 {"atmega48p", "__AVR_ATmega48P__", "4", 1},
112 {"atmega88", "__AVR_ATmega88__", "4", 1},
113 {"atmega88a", "__AVR_ATmega88A__", "4", 1},
114 {"atmega88p", "__AVR_ATmega88P__", "4", 1},
115 {"atmega88pa", "__AVR_ATmega88PA__", "4", 1},
116 {"atmega88pb", "__AVR_ATmega88PB__", "4", 1},
117 {"atmega8515", "__AVR_ATmega8515__", "4", 1},
118 {"atmega8535", "__AVR_ATmega8535__", "4", 1},
119 {"atmega8hva", "__AVR_ATmega8HVA__", "4", 1},
120 {"at90pwm1", "__AVR_AT90PWM1__", "4", 1},
121 {"at90pwm2", "__AVR_AT90PWM2__", "4", 1},
122 {"at90pwm2b", "__AVR_AT90PWM2B__", "4", 1},
123 {"at90pwm3", "__AVR_AT90PWM3__", "4", 1},
124 {"at90pwm3b", "__AVR_AT90PWM3B__", "4", 1},
125 {"at90pwm81", "__AVR_AT90PWM81__", "4", 1},
126 {"avr5", NULL, "5", 1},
127 {"ata5702m322", "__AVR_ATA5702M322__", "5", 1},
128 {"ata5782", "__AVR_ATA5782__", "5", 1},
129 {"ata5790", "__AVR_ATA5790__", "5", 1},
130 {"ata5790n", "__AVR_ATA5790N__", "5", 1},
131 {"ata5791", "__AVR_ATA5791__", "5", 1},
132 {"ata5795", "__AVR_ATA5795__", "5", 1},
133 {"ata5831", "__AVR_ATA5831__", "5", 1},
134 {"ata6613c", "__AVR_ATA6613C__", "5", 1},
135 {"ata6614q", "__AVR_ATA6614Q__", "5", 1},
136 {"ata8210", "__AVR_ATA8210__", "5", 1},
137 {"ata8510", "__AVR_ATA8510__", "5", 1},
138 {"atmega16", "__AVR_ATmega16__", "5", 1},
139 {"atmega16a", "__AVR_ATmega16A__", "5", 1},
140 {"atmega161", "__AVR_ATmega161__", "5", 1},
141 {"atmega162", "__AVR_ATmega162__", "5", 1},
142 {"atmega163", "__AVR_ATmega163__", "5", 1},
143 {"atmega164a", "__AVR_ATmega164A__", "5", 1},
144 {"atmega164p", "__AVR_ATmega164P__", "5", 1},
145 {"atmega164pa", "__AVR_ATmega164PA__", "5", 1},
146 {"atmega165", "__AVR_ATmega165__", "5", 1},
147 {"atmega165a", "__AVR_ATmega165A__", "5", 1},
148 {"atmega165p", "__AVR_ATmega165P__", "5", 1},
149 {"atmega165pa", "__AVR_ATmega165PA__", "5", 1},
150 {"atmega168", "__AVR_ATmega168__", "5", 1},
151 {"atmega168a", "__AVR_ATmega168A__", "5", 1},
152 {"atmega168p", "__AVR_ATmega168P__", "5", 1},
153 {"atmega168pa", "__AVR_ATmega168PA__", "5", 1},
154 {"atmega168pb", "__AVR_ATmega168PB__", "5", 1},
155 {"atmega169", "__AVR_ATmega169__", "5", 1},
156 {"atmega169a", "__AVR_ATmega169A__", "5", 1},
157 {"atmega169p", "__AVR_ATmega169P__", "5", 1},
158 {"atmega169pa", "__AVR_ATmega169PA__", "5", 1},
159 {"atmega32", "__AVR_ATmega32__", "5", 1},
160 {"atmega32a", "__AVR_ATmega32A__", "5", 1},
161 {"atmega323", "__AVR_ATmega323__", "5", 1},
162 {"atmega324a", "__AVR_ATmega324A__", "5", 1},
163 {"atmega324p", "__AVR_ATmega324P__", "5", 1},
164 {"atmega324pa", "__AVR_ATmega324PA__", "5", 1},
165 {"atmega324pb", "__AVR_ATmega324PB__", "5", 1},
166 {"atmega325", "__AVR_ATmega325__", "5", 1},
167 {"atmega325a", "__AVR_ATmega325A__", "5", 1},
168 {"atmega325p", "__AVR_ATmega325P__", "5", 1},
169 {"atmega325pa", "__AVR_ATmega325PA__", "5", 1},
170 {"atmega3250", "__AVR_ATmega3250__", "5", 1},
171 {"atmega3250a", "__AVR_ATmega3250A__", "5", 1},
172 {"atmega3250p", "__AVR_ATmega3250P__", "5", 1},
173 {"atmega3250pa", "__AVR_ATmega3250PA__", "5", 1},
174 {"atmega328", "__AVR_ATmega328__", "5", 1},
175 {"atmega328p", "__AVR_ATmega328P__", "5", 1},
176 {"atmega328pb", "__AVR_ATmega328PB__", "5", 1},
177 {"atmega329", "__AVR_ATmega329__", "5", 1},
178 {"atmega329a", "__AVR_ATmega329A__", "5", 1},
179 {"atmega329p", "__AVR_ATmega329P__", "5", 1},
180 {"atmega329pa", "__AVR_ATmega329PA__", "5", 1},
181 {"atmega3290", "__AVR_ATmega3290__", "5", 1},
182 {"atmega3290a", "__AVR_ATmega3290A__", "5", 1},
183 {"atmega3290p", "__AVR_ATmega3290P__", "5", 1},
184 {"atmega3290pa", "__AVR_ATmega3290PA__", "5", 1},
185 {"atmega406", "__AVR_ATmega406__", "5", 1},
186 {"atmega64", "__AVR_ATmega64__", "5", 1},
187 {"atmega64a", "__AVR_ATmega64A__", "5", 1},
188 {"atmega640", "__AVR_ATmega640__", "5", 1},
189 {"atmega644", "__AVR_ATmega644__", "5", 1},
190 {"atmega644a", "__AVR_ATmega644A__", "5", 1},
191 {"atmega644p", "__AVR_ATmega644P__", "5", 1},
192 {"atmega644pa", "__AVR_ATmega644PA__", "5", 1},
193 {"atmega645", "__AVR_ATmega645__", "5", 1},
194 {"atmega645a", "__AVR_ATmega645A__", "5", 1},
195 {"atmega645p", "__AVR_ATmega645P__", "5", 1},
196 {"atmega649", "__AVR_ATmega649__", "5", 1},
197 {"atmega649a", "__AVR_ATmega649A__", "5", 1},
198 {"atmega649p", "__AVR_ATmega649P__", "5", 1},
199 {"atmega6450", "__AVR_ATmega6450__", "5", 1},
200 {"atmega6450a", "__AVR_ATmega6450A__", "5", 1},
201 {"atmega6450p", "__AVR_ATmega6450P__", "5", 1},
202 {"atmega6490", "__AVR_ATmega6490__", "5", 1},
203 {"atmega6490a", "__AVR_ATmega6490A__", "5", 1},
204 {"atmega6490p", "__AVR_ATmega6490P__", "5", 1},
205 {"atmega64rfr2", "__AVR_ATmega64RFR2__", "5", 1},
206 {"atmega644rfr2", "__AVR_ATmega644RFR2__", "5", 1},
207 {"atmega16hva", "__AVR_ATmega16HVA__", "5", 1},
208 {"atmega16hva2", "__AVR_ATmega16HVA2__", "5", 1},
209 {"atmega16hvb", "__AVR_ATmega16HVB__", "5", 1},
210 {"atmega16hvbrevb", "__AVR_ATmega16HVBREVB__", "5", 1},
211 {"atmega32hvb", "__AVR_ATmega32HVB__", "5", 1},
212 {"atmega32hvbrevb", "__AVR_ATmega32HVBREVB__", "5", 1},
213 {"atmega64hve", "__AVR_ATmega64HVE__", "5", 1},
214 {"atmega64hve2", "__AVR_ATmega64HVE2__", "5", 1},
215 {"at90can32", "__AVR_AT90CAN32__", "5", 1},
216 {"at90can64", "__AVR_AT90CAN64__", "5", 1},
217 {"at90pwm161", "__AVR_AT90PWM161__", "5", 1},
218 {"at90pwm216", "__AVR_AT90PWM216__", "5", 1},
219 {"at90pwm316", "__AVR_AT90PWM316__", "5", 1},
220 {"atmega32c1", "__AVR_ATmega32C1__", "5", 1},
221 {"atmega64c1", "__AVR_ATmega64C1__", "5", 1},
222 {"atmega16m1", "__AVR_ATmega16M1__", "5", 1},
223 {"atmega32m1", "__AVR_ATmega32M1__", "5", 1},
224 {"atmega64m1", "__AVR_ATmega64M1__", "5", 1},
225 {"atmega16u4", "__AVR_ATmega16U4__", "5", 1},
226 {"atmega32u4", "__AVR_ATmega32U4__", "5", 1},
227 {"atmega32u6", "__AVR_ATmega32U6__", "5", 1},
228 {"at90usb646", "__AVR_AT90USB646__", "5", 1},
229 {"at90usb647", "__AVR_AT90USB647__", "5", 1},
230 {"at90scr100", "__AVR_AT90SCR100__", "5", 1},
231 {"at94k", "__AVR_AT94K__", "5", 1},
232 {"m3000", "__AVR_AT000__", "5", 1},
233 {"avr51", NULL, "51", 2},
234 {"atmega128", "__AVR_ATmega128__", "51", 2},
235 {"atmega128a", "__AVR_ATmega128A__", "51", 2},
236 {"atmega1280", "__AVR_ATmega1280__", "51", 2},
237 {"atmega1281", "__AVR_ATmega1281__", "51", 2},
238 {"atmega1284", "__AVR_ATmega1284__", "51", 2},
239 {"atmega1284p", "__AVR_ATmega1284P__", "51", 2},
240 {"atmega128rfa1", "__AVR_ATmega128RFA1__", "51", 2},
241 {"atmega128rfr2", "__AVR_ATmega128RFR2__", "51", 2},
242 {"atmega1284rfr2", "__AVR_ATmega1284RFR2__", "51", 2},
243 {"at90can128", "__AVR_AT90CAN128__", "51", 2},
244 {"at90usb1286", "__AVR_AT90USB1286__", "51", 2},
245 {"at90usb1287", "__AVR_AT90USB1287__", "51", 2},
246 {"avr6", NULL, "6", 4},
247 {"atmega2560", "__AVR_ATmega2560__", "6", 4},
248 {"atmega2561", "__AVR_ATmega2561__", "6", 4},
249 {"atmega256rfr2", "__AVR_ATmega256RFR2__", "6", 4},
250 {"atmega2564rfr2", "__AVR_ATmega2564RFR2__", "6", 4},
251 {"avrxmega2", NULL, "102", 1},
252 {"atxmega16a4", "__AVR_ATxmega16A4__", "102", 1},
253 {"atxmega16a4u", "__AVR_ATxmega16A4U__", "102", 1},
254 {"atxmega16c4", "__AVR_ATxmega16C4__", "102", 1},
255 {"atxmega16d4", "__AVR_ATxmega16D4__", "102", 1},
256 {"atxmega32a4", "__AVR_ATxmega32A4__", "102", 1},
257 {"atxmega32a4u", "__AVR_ATxmega32A4U__", "102", 1},
258 {"atxmega32c3", "__AVR_ATxmega32C3__", "102", 1},
259 {"atxmega32c4", "__AVR_ATxmega32C4__", "102", 1},
260 {"atxmega32d3", "__AVR_ATxmega32D3__", "102", 1},
261 {"atxmega32d4", "__AVR_ATxmega32D4__", "102", 1},
262 {"atxmega32e5", "__AVR_ATxmega32E5__", "102", 1},
263 {"atxmega16e5", "__AVR_ATxmega16E5__", "102", 1},
264 {"atxmega8e5", "__AVR_ATxmega8E5__", "102", 1},
265 {"avrxmega4", NULL, "104", 1},
266 {"atxmega64a3", "__AVR_ATxmega64A3__", "104", 1},
267 {"atxmega64a3u", "__AVR_ATxmega64A3U__", "104", 1},
268 {"atxmega64a4u", "__AVR_ATxmega64A4U__", "104", 1},
269 {"atxmega64b1", "__AVR_ATxmega64B1__", "104", 1},
270 {"atxmega64b3", "__AVR_ATxmega64B3__", "104", 1},
271 {"atxmega64c3", "__AVR_ATxmega64C3__", "104", 1},
272 {"atxmega64d3", "__AVR_ATxmega64D3__", "104", 1},
273 {"atxmega64d4", "__AVR_ATxmega64D4__", "104", 1},
274 {"avrxmega5", NULL, "105", 1},
275 {"atxmega64a1", "__AVR_ATxmega64A1__", "105", 1},
276 {"atxmega64a1u", "__AVR_ATxmega64A1U__", "105", 1},
277 {"avrxmega6", NULL, "106", 6},
278 {"atxmega128a3", "__AVR_ATxmega128A3__", "106", 2},
279 {"atxmega128a3u", "__AVR_ATxmega128A3U__", "106", 2},
280 {"atxmega128b1", "__AVR_ATxmega128B1__", "106", 2},
281 {"atxmega128b3", "__AVR_ATxmega128B3__", "106", 2},
282 {"atxmega128c3", "__AVR_ATxmega128C3__", "106", 2},
283 {"atxmega128d3", "__AVR_ATxmega128D3__", "106", 2},
284 {"atxmega128d4", "__AVR_ATxmega128D4__", "106", 2},
285 {"atxmega192a3", "__AVR_ATxmega192A3__", "106", 3},
286 {"atxmega192a3u", "__AVR_ATxmega192A3U__", "106", 3},
287 {"atxmega192c3", "__AVR_ATxmega192C3__", "106", 3},
288 {"atxmega192d3", "__AVR_ATxmega192D3__", "106", 3},
289 {"atxmega256a3", "__AVR_ATxmega256A3__", "106", 4},
290 {"atxmega256a3u", "__AVR_ATxmega256A3U__", "106", 4},
291 {"atxmega256a3b", "__AVR_ATxmega256A3B__", "106", 4},
292 {"atxmega256a3bu", "__AVR_ATxmega256A3BU__", "106", 4},
293 {"atxmega256c3", "__AVR_ATxmega256C3__", "106", 4},
294 {"atxmega256d3", "__AVR_ATxmega256D3__", "106", 4},
295 {"atxmega384c3", "__AVR_ATxmega384C3__", "106", 6},
296 {"atxmega384d3", "__AVR_ATxmega384D3__", "106", 6},
297 {"avrxmega7", NULL, "107", 2},
298 {"atxmega128a1", "__AVR_ATxmega128A1__", "107", 2},
299 {"atxmega128a1u", "__AVR_ATxmega128A1U__", "107", 2},
300 {"atxmega128a4u", "__AVR_ATxmega128A4U__", "107", 2},
301 {"avrtiny", NULL, "100", 0},
302 {"attiny4", "__AVR_ATtiny4__", "100", 0},
303 {"attiny5", "__AVR_ATtiny5__", "100", 0},
304 {"attiny9", "__AVR_ATtiny9__", "100", 0},
305 {"attiny10", "__AVR_ATtiny10__", "100", 0},
306 {"attiny20", "__AVR_ATtiny20__", "100", 0},
307 {"attiny40", "__AVR_ATtiny40__", "100", 0},
308 {"attiny102", "__AVR_ATtiny102__", "100", 0},
309 {"attiny104", "__AVR_ATtiny104__", "100", 0},
310 {"avrxmega3", NULL, "103", 1},
311 {"attiny202", "__AVR_ATtiny202__", "103", 1},
312 {"attiny402", "__AVR_ATtiny402__", "103", 1},
313 {"attiny204", "__AVR_ATtiny204__", "103", 1},
314 {"attiny404", "__AVR_ATtiny404__", "103", 1},
315 {"attiny804", "__AVR_ATtiny804__", "103", 1},
316 {"attiny1604", "__AVR_ATtiny1604__", "103", 1},
317 {"attiny406", "__AVR_ATtiny406__", "103", 1},
318 {"attiny806", "__AVR_ATtiny806__", "103", 1},
319 {"attiny1606", "__AVR_ATtiny1606__", "103", 1},
320 {"attiny807", "__AVR_ATtiny807__", "103", 1},
321 {"attiny1607", "__AVR_ATtiny1607__", "103", 1},
322 {"attiny212", "__AVR_ATtiny212__", "103", 1},
323 {"attiny412", "__AVR_ATtiny412__", "103", 1},
324 {"attiny214", "__AVR_ATtiny214__", "103", 1},
325 {"attiny414", "__AVR_ATtiny414__", "103", 1},
326 {"attiny814", "__AVR_ATtiny814__", "103", 1},
327 {"attiny1614", "__AVR_ATtiny1614__", "103", 1},
328 {"attiny416", "__AVR_ATtiny416__", "103", 1},
329 {"attiny816", "__AVR_ATtiny816__", "103", 1},
330 {"attiny1616", "__AVR_ATtiny1616__", "103", 1},
331 {"attiny3216", "__AVR_ATtiny3216__", "103", 1},
332 {"attiny417", "__AVR_ATtiny417__", "103", 1},
333 {"attiny817", "__AVR_ATtiny817__", "103", 1},
334 {"attiny1617", "__AVR_ATtiny1617__", "103", 1},
335 {"attiny3217", "__AVR_ATtiny3217__", "103", 1},
336 {"attiny1624", "__AVR_ATtiny1624__", "103", 1},
337 {"attiny1626", "__AVR_ATtiny1626__", "103", 1},
338 {"attiny1627", "__AVR_ATtiny1627__", "103", 1},
339 {"atmega808", "__AVR_ATmega808__", "103", 1},
340 {"atmega809", "__AVR_ATmega809__", "103", 1},
341 {"atmega1608", "__AVR_ATmega1608__", "103", 1},
342 {"atmega1609", "__AVR_ATmega1609__", "103", 1},
343 {"atmega3208", "__AVR_ATmega3208__", "103", 1},
344 {"atmega3209", "__AVR_ATmega3209__", "103", 1},
345 {"atmega4808", "__AVR_ATmega4808__", "103", 1},
346 {"atmega4809", "__AVR_ATmega4809__", "103", 1},
347};
348
349} // namespace targets
350} // namespace clang
351
352static bool ArchHasELPM(StringRef Arch) {
353 return llvm::StringSwitch<bool>(Arch)
354 .Cases("31", "51", "6", true)
355 .Cases("102", "104", "105", "106", "107", true)
356 .Default(false);
357}
358
359static bool ArchHasELPMX(StringRef Arch) {
360 return llvm::StringSwitch<bool>(Arch)
361 .Cases("51", "6", true)
362 .Cases("102", "104", "105", "106", "107", true)
363 .Default(false);
364}
365
366static bool ArchHasMOVW(StringRef Arch) {
367 return llvm::StringSwitch<bool>(Arch)
368 .Cases("25", "35", "4", "5", "51", "6", true)
369 .Cases("102", "103", "104", "105", "106", "107", true)
370 .Default(false);
371}
372
373static bool ArchHasLPMX(StringRef Arch) {
374 return ArchHasMOVW(Arch); // same architectures
375}
376
377static bool ArchHasMUL(StringRef Arch) {
378 return llvm::StringSwitch<bool>(Arch)
379 .Cases("4", "5", "51", "6", true)
380 .Cases("102", "103", "104", "105", "106", "107", true)
381 .Default(false);
382}
383
384static bool ArchHasJMPCALL(StringRef Arch) {
385 return llvm::StringSwitch<bool>(Arch)
386 .Cases("3", "31", "35", "5", "51", "6", true)
387 .Cases("102", "103", "104", "105", "106", "107", true)
388 .Default(false);
389}
390
391static bool ArchHas3BytePC(StringRef Arch) {
392 // These devices have more than 128kB of program memory.
393 // Note:
394 // - Not fully correct for arch 106: only about half the chips have more
395 // than 128kB program memory and therefore a 3 byte PC.
396 // - Doesn't match GCC entirely: avr-gcc thinks arch 107 goes beyond 128kB
397 // but in fact it doesn't.
398 return llvm::StringSwitch<bool>(Arch)
399 .Case("6", true)
400 .Case("106", true)
401 .Default(false);
402}
403
404bool AVRTargetInfo::isValidCPUName(StringRef Name) const {
405 return llvm::any_of(
406 AVRMcus, [&](const MCUInfo &Info) { return Info.Name == Name; });
407}
408
409void AVRTargetInfo::fillValidCPUList(SmallVectorImpl<StringRef> &Values) const {
410 for (const MCUInfo &Info : AVRMcus)
411 Values.push_back(Info.Name);
412}
413
414bool AVRTargetInfo::setCPU(const std::string &Name) {
415 // Set the ABI field based on the device or family name.
416 auto It = llvm::find_if(
417 AVRMcus, [&](const MCUInfo &Info) { return Info.Name == Name; });
418 if (It != std::end(AVRMcus)) {
419 CPU = Name;
420 ABI = (It->Arch == "100") ? "avrtiny" : "avr";
421 DefineName = It->DefineName;
422 Arch = It->Arch;
423 NumFlashBanks = It->NumFlashBanks;
424 return true;
425 }
426
427 // Parameter Name is neither valid family name nor valid device name.
428 return false;
429}
430
431std::optional<std::string>
432AVRTargetInfo::handleAsmEscapedChar(char EscChar) const {
433 switch (EscChar) {
434 // "%~" represents for 'r' depends on the device has long jump/call.
435 case '~':
436 return ArchHasJMPCALL(Arch) ? std::string("") : std::string(1, 'r');
437
438 // "%!" represents for 'e' depends on the PC register size.
439 case '!':
440 return ArchHas3BytePC(Arch) ? std::string(1, 'e') : std::string("");
441
442 // This is an invalid escape character for AVR.
443 default:
444 return std::nullopt;
445 }
446}
447
448void AVRTargetInfo::getTargetDefines(const LangOptions &Opts,
449 MacroBuilder &Builder) const {
450 Builder.defineMacro("AVR");
451 Builder.defineMacro("__AVR");
452 Builder.defineMacro("__AVR__");
453
454 if (ABI == "avrtiny")
455 Builder.defineMacro("__AVR_TINY__", "1");
456
457 if (DefineName.size() != 0)
458 Builder.defineMacro(DefineName);
459
460 Builder.defineMacro("__AVR_ARCH__", Arch);
461
462 // TODO: perhaps we should use the information from AVRDevices.td instead?
463 if (ArchHasELPM(Arch))
464 Builder.defineMacro("__AVR_HAVE_ELPM__");
465 if (ArchHasELPMX(Arch))
466 Builder.defineMacro("__AVR_HAVE_ELPMX__");
467 if (ArchHasMOVW(Arch))
468 Builder.defineMacro("__AVR_HAVE_MOVW__");
469 if (ArchHasLPMX(Arch))
470 Builder.defineMacro("__AVR_HAVE_LPMX__");
471 if (ArchHasMUL(Arch))
472 Builder.defineMacro("__AVR_HAVE_MUL__");
473 if (ArchHasJMPCALL(Arch))
474 Builder.defineMacro("__AVR_HAVE_JMP_CALL__");
475 if (ArchHas3BytePC(Arch)) {
476 // Note: some devices do support eijmp/eicall even though this macro isn't
477 // set. This is the case if they have less than 128kB flash and so
478 // eijmp/eicall isn't very useful anyway. (This matches gcc, although it's
479 // debatable whether we should be bug-compatible in this case).
480 Builder.defineMacro("__AVR_HAVE_EIJMP_EICALL__");
481 Builder.defineMacro("__AVR_3_BYTE_PC__");
482 } else {
483 Builder.defineMacro("__AVR_2_BYTE_PC__");
484 }
485
486 if (NumFlashBanks >= 1)
487 Builder.defineMacro("__flash", "__attribute__((__address_space__(1)))");
488 if (NumFlashBanks >= 2)
489 Builder.defineMacro("__flash1", "__attribute__((__address_space__(2)))");
490 if (NumFlashBanks >= 3)
491 Builder.defineMacro("__flash2", "__attribute__((__address_space__(3)))");
492 if (NumFlashBanks >= 4)
493 Builder.defineMacro("__flash3", "__attribute__((__address_space__(4)))");
494 if (NumFlashBanks >= 5)
495 Builder.defineMacro("__flash4", "__attribute__((__address_space__(5)))");
496 if (NumFlashBanks >= 6)
497 Builder.defineMacro("__flash5", "__attribute__((__address_space__(6)))");
498}
ArchHasMOVW
static bool ArchHasMOVW(StringRef Arch)
Definition: AVR.cpp:366
ArchHas3BytePC
static bool ArchHas3BytePC(StringRef Arch)
Definition: AVR.cpp:391
ArchHasJMPCALL
static bool ArchHasJMPCALL(StringRef Arch)
Definition: AVR.cpp:384
ArchHasELPMX
static bool ArchHasELPMX(StringRef Arch)
Definition: AVR.cpp:359
ArchHasLPMX
static bool ArchHasLPMX(StringRef Arch)
Definition: AVR.cpp:373
ArchHasELPM
static bool ArchHasELPM(StringRef Arch)
Definition: AVR.cpp:352
ArchHasMUL
static bool ArchHasMUL(StringRef Arch)
Definition: AVR.cpp:377
MacroBuilder.h
Defines the clang::MacroBuilder utility class.
NULL
#define NULL
Definition: __stddef_null.h:26
clang::LangOptions
Keeps track of the various options that can be enabled, which controls the dialect of C or C++ that i...
Definition: LangOptions.h:499
clang::targets::AVRTargetInfo::setCPU
bool setCPU(const std::string &Name) override
Target the specified CPU.
Definition: AVR.cpp:414
clang::targets::AVRTargetInfo::handleAsmEscapedChar
std::optional< std::string > handleAsmEscapedChar(char EscChar) const override
Replace some escaped characters with another string based on target-specific rules.
Definition: AVR.cpp:432
clang::targets::AVRTargetInfo::fillValidCPUList
void fillValidCPUList(SmallVectorImpl< StringRef > &Values) const override
Fill a SmallVectorImpl with the valid values to setCPU.
Definition: AVR.cpp:409
clang::targets::AVRTargetInfo::isValidCPUName
bool isValidCPUName(StringRef Name) const override
Determine whether this TargetInfo supports the given CPU name.
Definition: AVR.cpp:404
clang::targets::AVRTargetInfo::getTargetDefines
void getTargetDefines(const LangOptions &Opts, MacroBuilder &Builder) const override
===-— Other target property query methods -----------------------—===//
Definition: AVR.cpp:448
clang::targets::AVRMcus
static MCUInfo AVRMcus[]
Definition: AVR.cpp:32
clang
The JSON file list parser is used to communicate input to InstallAPI.
Definition: CalledOnceCheck.h:17
clang::targets::MCUInfo
Information about a specific microcontroller.
Definition: AVR.cpp:24
clang::targets::MCUInfo::Arch
StringRef Arch
Definition: AVR.cpp:27
clang::targets::MCUInfo::DefineName
const char * DefineName
Definition: AVR.cpp:26
clang::targets::MCUInfo::NumFlashBanks
const int NumFlashBanks
Definition: AVR.cpp:28
clang::targets::MCUInfo::Name
const char * Name
Definition: AVR.cpp:25
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