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llvm-project/clang/lib/Basic/Targets/AVR.cpp

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//===--- AVR.cpp - Implement AVR target feature support -------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file implements AVR TargetInfo objects.
//
//===----------------------------------------------------------------------===//
#include "AVR.h"
#include "clang/Basic/MacroBuilder.h"
#include "llvm/ADT/StringSwitch.h"
using namespace clang;
using namespace clang::targets;
namespace clang {
namespace targets {
/// Information about a specific microcontroller.
struct LLVM_LIBRARY_VISIBILITY MCUInfo {
const char *Name;
const char *DefineName;
StringRef Arch; // The __AVR_ARCH__ value.
const int NumFlashBanks; // Set to 0 for the devices do not support LPM/ELPM.
};
// NOTE: This list has been synchronized with gcc-avr 5.4.0 and avr-libc 2.0.0.
static MCUInfo AVRMcus[] = {
{"avr1", NULL, "1", 0},
{"at90s1200", "__AVR_AT90S1200__", "1", 0},
{"attiny11", "__AVR_ATtiny11__", "1", 0},
{"attiny12", "__AVR_ATtiny12__", "1", 0},
{"attiny15", "__AVR_ATtiny15__", "1", 0},
{"attiny28", "__AVR_ATtiny28__", "1", 0},
{"avr2", NULL, "2", 1},
{"at90s2313", "__AVR_AT90S2313__", "2", 1},
{"at90s2323", "__AVR_AT90S2323__", "2", 1},
{"at90s2333", "__AVR_AT90S2333__", "2", 1},
{"at90s2343", "__AVR_AT90S2343__", "2", 1},
{"attiny22", "__AVR_ATtiny22__", "2", 1},
{"attiny26", "__AVR_ATtiny26__", "2", 1},
{"at86rf401", "__AVR_AT86RF401__", "25", 1},
{"at90s4414", "__AVR_AT90S4414__", "2", 1},
{"at90s4433", "__AVR_AT90S4433__", "2", 1},
{"at90s4434", "__AVR_AT90S4434__", "2", 1},
{"at90s8515", "__AVR_AT90S8515__", "2", 1},
{"at90c8534", "__AVR_AT90c8534__", "2", 1},
{"at90s8535", "__AVR_AT90S8535__", "2", 1},
{"avr25", NULL, "25", 1},
{"ata5272", "__AVR_ATA5272__", "25", 1},
{"ata6616c", "__AVR_ATA6616c__", "25", 1},
{"attiny13", "__AVR_ATtiny13__", "25", 1},
{"attiny13a", "__AVR_ATtiny13A__", "25", 1},
{"attiny2313", "__AVR_ATtiny2313__", "25", 1},
{"attiny2313a", "__AVR_ATtiny2313A__", "25", 1},
{"attiny24", "__AVR_ATtiny24__", "25", 1},
{"attiny24a", "__AVR_ATtiny24A__", "25", 1},
{"attiny4313", "__AVR_ATtiny4313__", "25", 1},
{"attiny44", "__AVR_ATtiny44__", "25", 1},
{"attiny44a", "__AVR_ATtiny44A__", "25", 1},
{"attiny84", "__AVR_ATtiny84__", "25", 1},
{"attiny84a", "__AVR_ATtiny84A__", "25", 1},
{"attiny25", "__AVR_ATtiny25__", "25", 1},
{"attiny45", "__AVR_ATtiny45__", "25", 1},
{"attiny85", "__AVR_ATtiny85__", "25", 1},
{"attiny261", "__AVR_ATtiny261__", "25", 1},
{"attiny261a", "__AVR_ATtiny261A__", "25", 1},
{"attiny441", "__AVR_ATtiny441__", "25", 1},
{"attiny461", "__AVR_ATtiny461__", "25", 1},
{"attiny461a", "__AVR_ATtiny461A__", "25", 1},
{"attiny841", "__AVR_ATtiny841__", "25", 1},
{"attiny861", "__AVR_ATtiny861__", "25", 1},
{"attiny861a", "__AVR_ATtiny861A__", "25", 1},
{"attiny87", "__AVR_ATtiny87__", "25", 1},
{"attiny43u", "__AVR_ATtiny43U__", "25", 1},
{"attiny48", "__AVR_ATtiny48__", "25", 1},
{"attiny88", "__AVR_ATtiny88__", "25", 1},
{"attiny828", "__AVR_ATtiny828__", "25", 1},
{"avr3", NULL, "3", 1},
{"at43usb355", "__AVR_AT43USB355__", "3", 1},
{"at76c711", "__AVR_AT76C711__", "3", 1},
{"avr31", NULL, "31", 1},
{"atmega103", "__AVR_ATmega103__", "31", 1},
{"at43usb320", "__AVR_AT43USB320__", "31", 1},
{"avr35", NULL, "35", 1},
{"attiny167", "__AVR_ATtiny167__", "35", 1},
{"at90usb82", "__AVR_AT90USB82__", "35", 1},
{"at90usb162", "__AVR_AT90USB162__", "35", 1},
{"ata5505", "__AVR_ATA5505__", "35", 1},
{"ata6617c", "__AVR_ATA6617C__", "35", 1},
{"ata664251", "__AVR_ATA664251__", "35", 1},
{"atmega8u2", "__AVR_ATmega8U2__", "35", 1},
{"atmega16u2", "__AVR_ATmega16U2__", "35", 1},
{"atmega32u2", "__AVR_ATmega32U2__", "35", 1},
{"attiny1634", "__AVR_ATtiny1634__", "35", 1},
{"avr4", NULL, "4", 1},
{"atmega8", "__AVR_ATmega8__", "4", 1},
{"ata6289", "__AVR_ATA6289__", "4", 1},
{"atmega8a", "__AVR_ATmega8A__", "4", 1},
{"ata6285", "__AVR_ATA6285__", "4", 1},
{"ata6286", "__AVR_ATA6286__", "4", 1},
{"ata6612c", "__AVR_ATA6612C__", "4", 1},
{"atmega48", "__AVR_ATmega48__", "4", 1},
{"atmega48a", "__AVR_ATmega48A__", "4", 1},
{"atmega48pa", "__AVR_ATmega48PA__", "4", 1},
{"atmega48pb", "__AVR_ATmega48PB__", "4", 1},
{"atmega48p", "__AVR_ATmega48P__", "4", 1},
{"atmega88", "__AVR_ATmega88__", "4", 1},
{"atmega88a", "__AVR_ATmega88A__", "4", 1},
{"atmega88p", "__AVR_ATmega88P__", "4", 1},
{"atmega88pa", "__AVR_ATmega88PA__", "4", 1},
{"atmega88pb", "__AVR_ATmega88PB__", "4", 1},
{"atmega8515", "__AVR_ATmega8515__", "4", 1},
{"atmega8535", "__AVR_ATmega8535__", "4", 1},
{"atmega8hva", "__AVR_ATmega8HVA__", "4", 1},
{"at90pwm1", "__AVR_AT90PWM1__", "4", 1},
{"at90pwm2", "__AVR_AT90PWM2__", "4", 1},
{"at90pwm2b", "__AVR_AT90PWM2B__", "4", 1},
{"at90pwm3", "__AVR_AT90PWM3__", "4", 1},
{"at90pwm3b", "__AVR_AT90PWM3B__", "4", 1},
{"at90pwm81", "__AVR_AT90PWM81__", "4", 1},
{"avr5", NULL, "5", 1},
{"ata5702m322", "__AVR_ATA5702M322__", "5", 1},
{"ata5782", "__AVR_ATA5782__", "5", 1},
{"ata5790", "__AVR_ATA5790__", "5", 1},
{"ata5790n", "__AVR_ATA5790N__", "5", 1},
{"ata5791", "__AVR_ATA5791__", "5", 1},
{"ata5795", "__AVR_ATA5795__", "5", 1},
{"ata5831", "__AVR_ATA5831__", "5", 1},
{"ata6613c", "__AVR_ATA6613C__", "5", 1},
{"ata6614q", "__AVR_ATA6614Q__", "5", 1},
{"ata8210", "__AVR_ATA8210__", "5", 1},
{"ata8510", "__AVR_ATA8510__", "5", 1},
{"atmega16", "__AVR_ATmega16__", "5", 1},
{"atmega16a", "__AVR_ATmega16A__", "5", 1},
{"atmega161", "__AVR_ATmega161__", "5", 1},
{"atmega162", "__AVR_ATmega162__", "5", 1},
{"atmega163", "__AVR_ATmega163__", "5", 1},
{"atmega164a", "__AVR_ATmega164A__", "5", 1},
{"atmega164p", "__AVR_ATmega164P__", "5", 1},
{"atmega164pa", "__AVR_ATmega164PA__", "5", 1},
{"atmega165", "__AVR_ATmega165__", "5", 1},
{"atmega165a", "__AVR_ATmega165A__", "5", 1},
{"atmega165p", "__AVR_ATmega165P__", "5", 1},
{"atmega165pa", "__AVR_ATmega165PA__", "5", 1},
{"atmega168", "__AVR_ATmega168__", "5", 1},
{"atmega168a", "__AVR_ATmega168A__", "5", 1},
{"atmega168p", "__AVR_ATmega168P__", "5", 1},
{"atmega168pa", "__AVR_ATmega168PA__", "5", 1},
{"atmega168pb", "__AVR_ATmega168PB__", "5", 1},
{"atmega169", "__AVR_ATmega169__", "5", 1},
{"atmega169a", "__AVR_ATmega169A__", "5", 1},
{"atmega169p", "__AVR_ATmega169P__", "5", 1},
{"atmega169pa", "__AVR_ATmega169PA__", "5", 1},
{"atmega32", "__AVR_ATmega32__", "5", 1},
{"atmega32a", "__AVR_ATmega32A__", "5", 1},
{"atmega323", "__AVR_ATmega323__", "5", 1},
{"atmega324a", "__AVR_ATmega324A__", "5", 1},
{"atmega324p", "__AVR_ATmega324P__", "5", 1},
{"atmega324pa", "__AVR_ATmega324PA__", "5", 1},
{"atmega324pb", "__AVR_ATmega324PB__", "5", 1},
{"atmega325", "__AVR_ATmega325__", "5", 1},
{"atmega325a", "__AVR_ATmega325A__", "5", 1},
{"atmega325p", "__AVR_ATmega325P__", "5", 1},
{"atmega325pa", "__AVR_ATmega325PA__", "5", 1},
{"atmega3250", "__AVR_ATmega3250__", "5", 1},
{"atmega3250a", "__AVR_ATmega3250A__", "5", 1},
{"atmega3250p", "__AVR_ATmega3250P__", "5", 1},
{"atmega3250pa", "__AVR_ATmega3250PA__", "5", 1},
{"atmega328", "__AVR_ATmega328__", "5", 1},
{"atmega328p", "__AVR_ATmega328P__", "5", 1},
{"atmega328pb", "__AVR_ATmega328PB__", "5", 1},
{"atmega329", "__AVR_ATmega329__", "5", 1},
{"atmega329a", "__AVR_ATmega329A__", "5", 1},
{"atmega329p", "__AVR_ATmega329P__", "5", 1},
{"atmega329pa", "__AVR_ATmega329PA__", "5", 1},
{"atmega3290", "__AVR_ATmega3290__", "5", 1},
{"atmega3290a", "__AVR_ATmega3290A__", "5", 1},
{"atmega3290p", "__AVR_ATmega3290P__", "5", 1},
{"atmega3290pa", "__AVR_ATmega3290PA__", "5", 1},
{"atmega406", "__AVR_ATmega406__", "5", 1},
{"atmega64", "__AVR_ATmega64__", "5", 1},
{"atmega64a", "__AVR_ATmega64A__", "5", 1},
{"atmega640", "__AVR_ATmega640__", "5", 1},
{"atmega644", "__AVR_ATmega644__", "5", 1},
{"atmega644a", "__AVR_ATmega644A__", "5", 1},
{"atmega644p", "__AVR_ATmega644P__", "5", 1},
{"atmega644pa", "__AVR_ATmega644PA__", "5", 1},
{"atmega645", "__AVR_ATmega645__", "5", 1},
{"atmega645a", "__AVR_ATmega645A__", "5", 1},
{"atmega645p", "__AVR_ATmega645P__", "5", 1},
{"atmega649", "__AVR_ATmega649__", "5", 1},
{"atmega649a", "__AVR_ATmega649A__", "5", 1},
{"atmega649p", "__AVR_ATmega649P__", "5", 1},
{"atmega6450", "__AVR_ATmega6450__", "5", 1},
{"atmega6450a", "__AVR_ATmega6450A__", "5", 1},
{"atmega6450p", "__AVR_ATmega6450P__", "5", 1},
{"atmega6490", "__AVR_ATmega6490__", "5", 1},
{"atmega6490a", "__AVR_ATmega6490A__", "5", 1},
{"atmega6490p", "__AVR_ATmega6490P__", "5", 1},
{"atmega64rfr2", "__AVR_ATmega64RFR2__", "5", 1},
{"atmega644rfr2", "__AVR_ATmega644RFR2__", "5", 1},
{"atmega16hva", "__AVR_ATmega16HVA__", "5", 1},
{"atmega16hva2", "__AVR_ATmega16HVA2__", "5", 1},
{"atmega16hvb", "__AVR_ATmega16HVB__", "5", 1},
{"atmega16hvbrevb", "__AVR_ATmega16HVBREVB__", "5", 1},
{"atmega32hvb", "__AVR_ATmega32HVB__", "5", 1},
{"atmega32hvbrevb", "__AVR_ATmega32HVBREVB__", "5", 1},
{"atmega64hve", "__AVR_ATmega64HVE__", "5", 1},
{"atmega64hve2", "__AVR_ATmega64HVE2__", "5", 1},
{"at90can32", "__AVR_AT90CAN32__", "5", 1},
{"at90can64", "__AVR_AT90CAN64__", "5", 1},
{"at90pwm161", "__AVR_AT90PWM161__", "5", 1},
{"at90pwm216", "__AVR_AT90PWM216__", "5", 1},
{"at90pwm316", "__AVR_AT90PWM316__", "5", 1},
{"atmega32c1", "__AVR_ATmega32C1__", "5", 1},
{"atmega64c1", "__AVR_ATmega64C1__", "5", 1},
{"atmega16m1", "__AVR_ATmega16M1__", "5", 1},
{"atmega32m1", "__AVR_ATmega32M1__", "5", 1},
{"atmega64m1", "__AVR_ATmega64M1__", "5", 1},
{"atmega16u4", "__AVR_ATmega16U4__", "5", 1},
{"atmega32u4", "__AVR_ATmega32U4__", "5", 1},
{"atmega32u6", "__AVR_ATmega32U6__", "5", 1},
{"at90usb646", "__AVR_AT90USB646__", "5", 1},
{"at90usb647", "__AVR_AT90USB647__", "5", 1},
{"at90scr100", "__AVR_AT90SCR100__", "5", 1},
{"at94k", "__AVR_AT94K__", "5", 1},
{"m3000", "__AVR_AT000__", "5", 1},
{"avr51", NULL, "51", 2},
{"atmega128", "__AVR_ATmega128__", "51", 2},
{"atmega128a", "__AVR_ATmega128A__", "51", 2},
{"atmega1280", "__AVR_ATmega1280__", "51", 2},
{"atmega1281", "__AVR_ATmega1281__", "51", 2},
{"atmega1284", "__AVR_ATmega1284__", "51", 2},
{"atmega1284p", "__AVR_ATmega1284P__", "51", 2},
{"atmega128rfa1", "__AVR_ATmega128RFA1__", "51", 2},
{"atmega128rfr2", "__AVR_ATmega128RFR2__", "51", 2},
{"atmega1284rfr2", "__AVR_ATmega1284RFR2__", "51", 2},
{"at90can128", "__AVR_AT90CAN128__", "51", 2},
{"at90usb1286", "__AVR_AT90USB1286__", "51", 2},
{"at90usb1287", "__AVR_AT90USB1287__", "51", 2},
{"avr6", NULL, "6", 4},
{"atmega2560", "__AVR_ATmega2560__", "6", 4},
{"atmega2561", "__AVR_ATmega2561__", "6", 4},
{"atmega256rfr2", "__AVR_ATmega256RFR2__", "6", 4},
{"atmega2564rfr2", "__AVR_ATmega2564RFR2__", "6", 4},
{"avrxmega2", NULL, "102", 1},
{"atxmega16a4", "__AVR_ATxmega16A4__", "102", 1},
{"atxmega16a4u", "__AVR_ATxmega16A4U__", "102", 1},
{"atxmega16c4", "__AVR_ATxmega16C4__", "102", 1},
{"atxmega16d4", "__AVR_ATxmega16D4__", "102", 1},
{"atxmega32a4", "__AVR_ATxmega32A4__", "102", 1},
{"atxmega32a4u", "__AVR_ATxmega32A4U__", "102", 1},
{"atxmega32c3", "__AVR_ATxmega32C3__", "102", 1},
{"atxmega32c4", "__AVR_ATxmega32C4__", "102", 1},
{"atxmega32d3", "__AVR_ATxmega32D3__", "102", 1},
{"atxmega32d4", "__AVR_ATxmega32D4__", "102", 1},
{"atxmega32e5", "__AVR_ATxmega32E5__", "102", 1},
{"atxmega16e5", "__AVR_ATxmega16E5__", "102", 1},
{"atxmega8e5", "__AVR_ATxmega8E5__", "102", 1},
{"avrxmega4", NULL, "104", 1},
{"atxmega64a3", "__AVR_ATxmega64A3__", "104", 1},
{"atxmega64a3u", "__AVR_ATxmega64A3U__", "104", 1},
{"atxmega64a4u", "__AVR_ATxmega64A4U__", "104", 1},
{"atxmega64b1", "__AVR_ATxmega64B1__", "104", 1},
{"atxmega64b3", "__AVR_ATxmega64B3__", "104", 1},
{"atxmega64c3", "__AVR_ATxmega64C3__", "104", 1},
{"atxmega64d3", "__AVR_ATxmega64D3__", "104", 1},
{"atxmega64d4", "__AVR_ATxmega64D4__", "104", 1},
{"avrxmega5", NULL, "105", 1},
{"atxmega64a1", "__AVR_ATxmega64A1__", "105", 1},
{"atxmega64a1u", "__AVR_ATxmega64A1U__", "105", 1},
{"avrxmega6", NULL, "106", 6},
{"atxmega128a3", "__AVR_ATxmega128A3__", "106", 2},
{"atxmega128a3u", "__AVR_ATxmega128A3U__", "106", 2},
{"atxmega128b1", "__AVR_ATxmega128B1__", "106", 2},
{"atxmega128b3", "__AVR_ATxmega128B3__", "106", 2},
{"atxmega128c3", "__AVR_ATxmega128C3__", "106", 2},
{"atxmega128d3", "__AVR_ATxmega128D3__", "106", 2},
{"atxmega128d4", "__AVR_ATxmega128D4__", "106", 2},
{"atxmega192a3", "__AVR_ATxmega192A3__", "106", 3},
{"atxmega192a3u", "__AVR_ATxmega192A3U__", "106", 3},
{"atxmega192c3", "__AVR_ATxmega192C3__", "106", 3},
{"atxmega192d3", "__AVR_ATxmega192D3__", "106", 3},
{"atxmega256a3", "__AVR_ATxmega256A3__", "106", 4},
{"atxmega256a3u", "__AVR_ATxmega256A3U__", "106", 4},
{"atxmega256a3b", "__AVR_ATxmega256A3B__", "106", 4},
{"atxmega256a3bu", "__AVR_ATxmega256A3BU__", "106", 4},
{"atxmega256c3", "__AVR_ATxmega256C3__", "106", 4},
{"atxmega256d3", "__AVR_ATxmega256D3__", "106", 4},
{"atxmega384c3", "__AVR_ATxmega384C3__", "106", 6},
{"atxmega384d3", "__AVR_ATxmega384D3__", "106", 6},
{"avrxmega7", NULL, "107", 2},
{"atxmega128a1", "__AVR_ATxmega128A1__", "107", 2},
{"atxmega128a1u", "__AVR_ATxmega128A1U__", "107", 2},
{"atxmega128a4u", "__AVR_ATxmega128A4U__", "107", 2},
{"avrtiny", NULL, "100", 0},
{"attiny4", "__AVR_ATtiny4__", "100", 0},
{"attiny5", "__AVR_ATtiny5__", "100", 0},
{"attiny9", "__AVR_ATtiny9__", "100", 0},
{"attiny10", "__AVR_ATtiny10__", "100", 0},
{"attiny20", "__AVR_ATtiny20__", "100", 0},
{"attiny40", "__AVR_ATtiny40__", "100", 0},
{"attiny102", "__AVR_ATtiny102__", "100", 0},
{"attiny104", "__AVR_ATtiny104__", "100", 0},
{"avrxmega3", NULL, "103", 1},
{"attiny202", "__AVR_ATtiny202__", "103", 1},
{"attiny402", "__AVR_ATtiny402__", "103", 1},
{"attiny204", "__AVR_ATtiny204__", "103", 1},
{"attiny404", "__AVR_ATtiny404__", "103", 1},
{"attiny804", "__AVR_ATtiny804__", "103", 1},
{"attiny1604", "__AVR_ATtiny1604__", "103", 1},
{"attiny406", "__AVR_ATtiny406__", "103", 1},
{"attiny806", "__AVR_ATtiny806__", "103", 1},
{"attiny1606", "__AVR_ATtiny1606__", "103", 1},
{"attiny807", "__AVR_ATtiny807__", "103", 1},
{"attiny1607", "__AVR_ATtiny1607__", "103", 1},
{"attiny212", "__AVR_ATtiny212__", "103", 1},
{"attiny412", "__AVR_ATtiny412__", "103", 1},
{"attiny214", "__AVR_ATtiny214__", "103", 1},
{"attiny414", "__AVR_ATtiny414__", "103", 1},
{"attiny814", "__AVR_ATtiny814__", "103", 1},
{"attiny1614", "__AVR_ATtiny1614__", "103", 1},
{"attiny416", "__AVR_ATtiny416__", "103", 1},
{"attiny816", "__AVR_ATtiny816__", "103", 1},
{"attiny1616", "__AVR_ATtiny1616__", "103", 1},
{"attiny3216", "__AVR_ATtiny3216__", "103", 1},
{"attiny417", "__AVR_ATtiny417__", "103", 1},
{"attiny817", "__AVR_ATtiny817__", "103", 1},
{"attiny1617", "__AVR_ATtiny1617__", "103", 1},
{"attiny3217", "__AVR_ATtiny3217__", "103", 1},
{"attiny1624", "__AVR_ATtiny1624__", "103", 1},
{"attiny1626", "__AVR_ATtiny1626__", "103", 1},
{"attiny1627", "__AVR_ATtiny1627__", "103", 1},
{"atmega808", "__AVR_ATmega808__", "103", 1},
{"atmega809", "__AVR_ATmega809__", "103", 1},
{"atmega1608", "__AVR_ATmega1608__", "103", 1},
{"atmega1609", "__AVR_ATmega1609__", "103", 1},
{"atmega3208", "__AVR_ATmega3208__", "103", 1},
{"atmega3209", "__AVR_ATmega3209__", "103", 1},
{"atmega4808", "__AVR_ATmega4808__", "103", 1},
{"atmega4809", "__AVR_ATmega4809__", "103", 1},
};
} // namespace targets
} // namespace clang
static bool ArchHasELPM(StringRef Arch) {
return llvm::StringSwitch<bool>(Arch)
.Cases("31", "51", "6", true)
.Cases("102", "104", "105", "106", "107", true)
.Default(false);
}
static bool ArchHasELPMX(StringRef Arch) {
return llvm::StringSwitch<bool>(Arch)
.Cases("51", "6", true)
.Cases("102", "104", "105", "106", "107", true)
.Default(false);
}
static bool ArchHasMOVW(StringRef Arch) {
return llvm::StringSwitch<bool>(Arch)
.Cases("25", "35", "4", "5", "51", "6", true)
.Cases("102", "103", "104", "105", "106", "107", true)
.Default(false);
}
static bool ArchHasLPMX(StringRef Arch) {
return ArchHasMOVW(Arch); // same architectures
}
static bool ArchHasMUL(StringRef Arch) {
return llvm::StringSwitch<bool>(Arch)
.Cases("4", "5", "51", "6", true)
.Cases("102", "103", "104", "105", "106", "107", true)
.Default(false);
}
static bool ArchHasJMPCALL(StringRef Arch) {
return llvm::StringSwitch<bool>(Arch)
.Cases("3", "31", "35", "5", "51", "6", true)
.Cases("102", "103", "104", "105", "106", "107", true)
.Default(false);
}
static bool ArchHas3BytePC(StringRef Arch) {
// These devices have more than 128kB of program memory.
// Note:
// - Not fully correct for arch 106: only about half the chips have more
// than 128kB program memory and therefore a 3 byte PC.
// - Doesn't match GCC entirely: avr-gcc thinks arch 107 goes beyond 128kB
// but in fact it doesn't.
return llvm::StringSwitch<bool>(Arch)
.Case("6", true)
.Case("106", true)
.Default(false);
}
bool AVRTargetInfo::isValidCPUName(StringRef Name) const {
return llvm::any_of(
AVRMcus, [&](const MCUInfo &Info) { return Info.Name == Name; });
}
void AVRTargetInfo::fillValidCPUList(SmallVectorImpl<StringRef> &Values) const {
for (const MCUInfo &Info : AVRMcus)
Values.push_back(Info.Name);
}
bool AVRTargetInfo::setCPU(const std::string &Name) {
// Set the ABI field based on the device or family name.
auto It = llvm::find_if(
AVRMcus, [&](const MCUInfo &Info) { return Info.Name == Name; });
if (It != std::end(AVRMcus)) {
CPU = Name;
ABI = (It->Arch == "100") ? "avrtiny" : "avr";
DefineName = It->DefineName;
Arch = It->Arch;
NumFlashBanks = It->NumFlashBanks;
return true;
}
// Parameter Name is neither valid family name nor valid device name.
return false;
}
void AVRTargetInfo::getTargetDefines(const LangOptions &Opts,
MacroBuilder &Builder) const {
Builder.defineMacro("AVR");
Builder.defineMacro("__AVR");
Builder.defineMacro("__AVR__");
Builder.defineMacro("__ELF__");
if (ABI == "avrtiny")
Builder.defineMacro("__AVR_TINY__", "1");
if (DefineName.size() != 0)
Builder.defineMacro(DefineName);
Builder.defineMacro("__AVR_ARCH__", Arch);
// TODO: perhaps we should use the information from AVRDevices.td instead?
if (ArchHasELPM(Arch))
Builder.defineMacro("__AVR_HAVE_ELPM__");
if (ArchHasELPMX(Arch))
Builder.defineMacro("__AVR_HAVE_ELPMX__");
if (ArchHasMOVW(Arch))
Builder.defineMacro("__AVR_HAVE_MOVW__");
if (ArchHasLPMX(Arch))
Builder.defineMacro("__AVR_HAVE_LPMX__");
if (ArchHasMUL(Arch))
Builder.defineMacro("__AVR_HAVE_MUL__");
if (ArchHasJMPCALL(Arch))
Builder.defineMacro("__AVR_HAVE_JMP_CALL__");
if (ArchHas3BytePC(Arch)) {
// Note: some devices do support eijmp/eicall even though this macro isn't
// set. This is the case if they have less than 128kB flash and so
// eijmp/eicall isn't very useful anyway. (This matches gcc, although it's
// debatable whether we should be bug-compatible in this case).
Builder.defineMacro("__AVR_HAVE_EIJMP_EICALL__");
Builder.defineMacro("__AVR_3_BYTE_PC__");
} else {
Builder.defineMacro("__AVR_2_BYTE_PC__");
}
if (NumFlashBanks >= 1)
Builder.defineMacro("__flash", "__attribute__((address_space(1)))");
if (NumFlashBanks >= 2)
Builder.defineMacro("__flash1", "__attribute__((address_space(2)))");
if (NumFlashBanks >= 3)
Builder.defineMacro("__flash2", "__attribute__((address_space(3)))");
if (NumFlashBanks >= 4)
Builder.defineMacro("__flash3", "__attribute__((address_space(4)))");
if (NumFlashBanks >= 5)
Builder.defineMacro("__flash4", "__attribute__((address_space(5)))");
if (NumFlashBanks >= 6)
Builder.defineMacro("__flash5", "__attribute__((address_space(6)))");
}
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