Files
BloomPatched/src/DebugServer/Gdb/AvrGdb/CommandPackets/EepromFill.cpp

114 lines
4.3 KiB
C++

#include "EepromFill.hpp"
#include <QByteArray>
#include <algorithm>
#include <stdexcept>
#include "src/DebugServer/Gdb/ResponsePackets/ResponsePacket.hpp"
#include "src/DebugServer/Gdb/ResponsePackets/ErrorResponsePacket.hpp"
#include "src/Services/StringService.hpp"
#include "src/Logger/Logger.hpp"
#include "src/DebugServer/Gdb/Exceptions/InvalidCommandOption.hpp"
#include "src/Exceptions/Exception.hpp"
namespace DebugServer::Gdb::AvrGdb::CommandPackets
{
using Services::TargetControllerService;
using ResponsePackets::ResponsePacket;
using ResponsePackets::ErrorResponsePacket;
using ::Exceptions::Exception;
using Exceptions::InvalidCommandOption;
EepromFill::EepromFill(Gdb::CommandPackets::Monitor&& monitorPacket)
: Gdb::CommandPackets::Monitor(std::move(monitorPacket))
, rawFillValue(this->commandArguments.size() >= 3 ? this->commandArguments[2] : std::string{})
{}
void EepromFill::handle(
DebugSession& debugSession,
const AvrGdbTargetDescriptor& gdbTargetDescriptor,
const Targets::TargetDescriptor& targetDescriptor,
TargetControllerService& targetControllerService
) {
Logger::info("Handling EepromFill packet");
try {
if (this->rawFillValue.empty()) {
throw InvalidCommandOption{"Fill value required"};
}
const auto eepromSize = gdbTargetDescriptor.eepromMemorySegmentDescriptor.size();
const auto fillValue = Services::StringService::dataFromHex(
this->rawFillValue.size() >= 3 && this->rawFillValue[0] == '0'
&& (this->rawFillValue[1] == 'X' || this->rawFillValue[1] == 'x')
? this->rawFillValue.substr(2)
: this->rawFillValue
);
const auto fillValueSize = fillValue.size();
if (fillValueSize > eepromSize) {
throw InvalidCommandOption{
"Fill value size (" + std::to_string(fillValueSize) + " bytes) exceeds EEPROM size ("
+ std::to_string(eepromSize) + " bytes)"
};
}
if ((eepromSize % fillValueSize) != 0) {
Logger::warning(
"The fill value size (" + std::to_string(fillValueSize) + " bytes) is not a multiple of the EEPROM "
"size (" + std::to_string(eepromSize) + " bytes) - the fill value will be truncated"
);
}
Logger::warning("Filling " + std::to_string(eepromSize) + " bytes of EEPROM");
auto data = Targets::TargetMemoryBuffer{};
data.reserve(eepromSize);
// Repeat fillValue until we've filled `data`
while (data.size() < eepromSize) {
data.insert(
data.end(),
fillValue.begin(),
fillValue.begin() + static_cast<std::int32_t>(
std::min(fillValueSize, (eepromSize - data.size()))
)
);
}
const auto hexValues = Services::StringService::toHex(data);
Logger::debug("Filling EEPROM with values: " + hexValues);
targetControllerService.writeMemory(
gdbTargetDescriptor.eepromAddressSpaceDescriptor,
gdbTargetDescriptor.eepromMemorySegmentDescriptor,
gdbTargetDescriptor.eepromMemorySegmentDescriptor.addressRange.startAddress,
std::move(data)
);
debugSession.connection.writePacket(ResponsePacket{Services::StringService::toHex(
"Filled " + std::to_string(eepromSize) + " bytes of EEPROM, with values: " + hexValues + "\n"
)});
} catch (const InvalidCommandOption& exception) {
debugSession.connection.writePacket(
ResponsePacket{Services::StringService::toHex(exception.getMessage() + "\n")}
);
} catch (const std::invalid_argument& exception) {
debugSession.connection.writePacket(
ResponsePacket{Services::StringService::toHex("Invalid fill value\n")}
);
} catch (const Exception& exception) {
Logger::error("Failed to fill EEPROM - " + exception.getMessage());
debugSession.connection.writePacket(ErrorResponsePacket{});
}
}
}