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Used program memory address space address and size for AVR8 target parameters (otherwise we'd be ignoring other memory sections in the program memory, such as boot sections)

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2022-06-03 11:53:03 +01:00
parent df0328cef7
commit a97cdeae6f
2 changed files with 37 additions and 26 deletions
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36
src/Targets/Microchip/AVR/AVR8/TargetDescription/TargetDescriptionFile.cpp
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@@ -14,6 +14,7 @@ namespace Bloom::Targets::Microchip::Avr::Avr8Bit::TargetDescription
using namespace Bloom::Exceptions;
using Bloom::Targets::TargetDescription::RegisterGroup;
using Bloom::Targets::TargetDescription::AddressSpace;
using Bloom::Targets::TargetDescription::MemorySegment;
using Bloom::Targets::TargetDescription::MemorySegmentType;
using Bloom::Targets::TargetDescription::Register;
@@ -177,13 +178,16 @@ namespace Bloom::Targets::Microchip::Avr::Avr8Bit::TargetDescription
const auto& peripheralModules = this->getPeripheralModulesMappedByName();
const auto& propertyGroups = this->getPropertyGroupsMappedByName();
auto flashMemorySegment = this->getFlashMemorySegment();
if (flashMemorySegment.has_value()) {
targetParameters.flashSize = flashMemorySegment->size;
targetParameters.flashStartAddress = flashMemorySegment->startAddress;
const auto programMemoryAddressSpace = this->getProgramMemoryAddressSpace();
if (flashMemorySegment->pageSize.has_value()) {
targetParameters.flashPageSize = flashMemorySegment->pageSize.value();
if (programMemoryAddressSpace.has_value()) {
targetParameters.flashSize = programMemoryAddressSpace->size;
targetParameters.flashStartAddress = programMemoryAddressSpace->startAddress;
const auto appMemorySegment = this->getFlashApplicationMemorySegment(programMemoryAddressSpace.value());
if (appMemorySegment.has_value() && appMemorySegment->pageSize.has_value()) {
targetParameters.flashPageSize = appMemorySegment->pageSize.value();
}
}
@@ -672,20 +676,25 @@ namespace Bloom::Targets::Microchip::Avr::Avr8Bit::TargetDescription
return std::nullopt;
}
std::optional<MemorySegment> TargetDescriptionFile::getFlashMemorySegment() const {
const auto& addressMapping = this->addressSpacesMappedById;
auto programAddressSpaceIt = addressMapping.find("prog");
std::optional<AddressSpace> TargetDescriptionFile::getProgramMemoryAddressSpace() const {
if (this->addressSpacesMappedById.contains("prog")) {
return this->addressSpacesMappedById.at("prog");
}
// Flash memory attributes are typically found in memory segments within the program address space.
if (programAddressSpaceIt != addressMapping.end()) {
const auto& programAddressSpace = programAddressSpaceIt->second;
return std::nullopt;
}
std::optional<MemorySegment> TargetDescriptionFile::getFlashApplicationMemorySegment(
const AddressSpace& programAddressSpace
) const {
const auto& programMemorySegments = programAddressSpace.memorySegmentsByTypeAndName;
if (programMemorySegments.find(MemorySegmentType::FLASH) != programMemorySegments.end()) {
const auto& flashMemorySegments = programMemorySegments.find(MemorySegmentType::FLASH)->second;
/*
* In AVR8 TDFs, flash memory segments are typically named "APP_SECTION", "PROGMEM" or "FLASH".
* In AVR8 TDFs, flash application memory segments are typically named "APP_SECTION", "PROGMEM" or
* "FLASH".
*/
auto flashSegmentIt = flashMemorySegments.find("app_section") != flashMemorySegments.end() ?
flashMemorySegments.find("app_section")
@@ -696,7 +705,6 @@ namespace Bloom::Targets::Microchip::Avr::Avr8Bit::TargetDescription
return flashSegmentIt->second;
}
}
}
return std::nullopt;
}

5
src/Targets/Microchip/AVR/AVR8/TargetDescription/TargetDescriptionFile.hpp
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@@ -192,7 +192,10 @@ namespace Bloom::Targets::Microchip::Avr::Avr8Bit::TargetDescription
const std::string& fuseBitName
) const;
[[nodiscard]] std::optional<Targets::TargetDescription::MemorySegment> getFlashMemorySegment() const;
[[nodiscard]] std::optional<Targets::TargetDescription::AddressSpace> getProgramMemoryAddressSpace() const;
[[nodiscard]] std::optional<Targets::TargetDescription::MemorySegment> getFlashApplicationMemorySegment(
const Targets::TargetDescription::AddressSpace& programAddressSpace
) const;
[[nodiscard]] std::optional<Targets::TargetDescription::MemorySegment> getRamMemorySegment() const;
[[nodiscard]] std::optional<Targets::TargetDescription::MemorySegment> getIoMemorySegment() const;
[[nodiscard]] std::optional<Targets::TargetDescription::MemorySegment> getRegisterMemorySegment() const;