clang/lib/Basic/Targets/AVR.cpp

   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 }