clang  19.0.0git
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 
17 using namespace clang;
18 using namespace clang::targets;
19 
20 namespace clang {
21 namespace targets {
22 
23 /// Information about a specific microcontroller.
24 struct 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.
32 static 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 
352 static 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 
359 static 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 
366 static 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 
373 static bool ArchHasLPMX(StringRef Arch) {
374  return ArchHasMOVW(Arch); // same architectures
375 }
376 
377 static 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 
384 static 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 
391 static 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 
404 bool AVRTargetInfo::isValidCPUName(StringRef Name) const {
405  return llvm::any_of(
406  AVRMcus, [&](const MCUInfo &Info) { return Info.Name == Name; });
407 }
408 
409 void AVRTargetInfo::fillValidCPUList(SmallVectorImpl<StringRef> &Values) const {
410  for (const MCUInfo &Info : AVRMcus)
411  Values.push_back(Info.Name);
412 }
413 
414 bool 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 
431 std::optional<std::string>
432 AVRTargetInfo::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 
448 void 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:482
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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