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Trk: Support for frameless protocol.

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This commit is contained in:
Friedemann Kleint
2009-08-20 11:30:10 +02:00
parent d774393a86
commit 13cd43773d
7 changed files with 121 additions and 45 deletions
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14
tests/manual/trk/adapter.cpp
View File

@@ -127,9 +127,10 @@ static inline void dumpRegister(int n, uint value, QByteArray &a)
}
struct AdapterOptions {
AdapterOptions() : verbose(1),registerEndianness(LittleEndian),useSocket(false) {}
AdapterOptions() : verbose(1),serialFrame(true),registerEndianness(LittleEndian),useSocket(false) {}
int verbose;
bool serialFrame;
Endianness registerEndianness;
bool useSocket;
QString gdbServer;
@@ -148,6 +149,7 @@ public:
void setGdbServerName(const QString &name);
void setTrkServerName(const QString &name) { m_trkServerName = name; }
void setVerbose(int verbose) { m_verbose = verbose; }
void setSerialFrame(bool b) { m_serialFrame = b; }
void setRegisterEndianness(Endianness r) { m_registerEndianness = r; }
void setUseSocket(bool s) { m_useSocket = s; }
bool startServer();
@@ -261,6 +263,7 @@ private:
int m_verbose;
Endianness m_registerEndianness;
bool m_useSocket;
bool m_serialFrame;
bool m_startInferiorTriggered;
};
@@ -277,6 +280,7 @@ Adapter::Adapter() :
m_verbose(1),
m_registerEndianness(LittleEndian),
m_useSocket(false),
m_serialFrame(true),
m_startInferiorTriggered(false)
{
startTimer(100);
@@ -1012,7 +1016,7 @@ void Adapter::tryTrkWrite()
void Adapter::trkWrite(const TrkMessage &msg)
{
QByteArray ba = frameMessage(msg.code, msg.token, msg.data);
QByteArray ba = frameMessage(msg.code, msg.token, msg.data, m_serialFrame);
m_writtenTrkMessages.insert(msg.token, msg);
m_trkWriteBusy = true;
@@ -1071,7 +1075,7 @@ void Adapter::tryTrkRead()
}
while (!m_trkReadQueue.isEmpty())
handleResult(extractResult(&m_trkReadQueue));
handleResult(extractResult(&m_trkReadQueue, m_serialFrame));
m_trkWriteBusy = false;
}
@@ -1612,6 +1616,8 @@ static bool readAdapterArgs(const QStringList &args, AdapterOptions *o)
o->registerEndianness = BigEndian;
} else if (*it == QLatin1String("-s")) {
o->useSocket = true;
} else if (*it == QLatin1String("-f")) {
o->serialFrame = false;
}
} else {
switch (argNumber++) {
@@ -1639,6 +1645,7 @@ int main(int argc, char *argv[])
if (!readAdapterArgs(app.arguments(), &options)) {
qDebug("Usage: %s [-v|-q] [-s][-l] <trk com/trkservername> <gdbserverport>\n"
"Options: -v verbose\n"
" -f Turn serial message frame off\n"
" -q quiet\n"
" -s Use socket (simulation)\n"
" -b Set register endianness to big\n", argv[0]);
@@ -1651,6 +1658,7 @@ int main(int argc, char *argv[])
adapter.setVerbose(options.verbose);
adapter.setRegisterEndianness(options.registerEndianness);
adapter.setUseSocket(options.useSocket);
adapter.setSerialFrame(options.serialFrame);
if (adapter.startServer())
return app.exec();
return 4;

45
tests/manual/trk/launcher.cpp
View File

@@ -42,6 +42,9 @@
#else
# include <stdio.h>
# include <sys/ioctl.h>
# include <termios.h>
# include <errno.h>
# include <string.h>
#endif
#ifdef Q_OS_WIN
@@ -125,6 +128,7 @@ struct LauncherPrivate {
QString m_copySrcFileName;
QString m_copyDstFileName;
QString m_installFileName;
bool m_serialFrame;
int m_verbose;
};
@@ -135,6 +139,7 @@ LauncherPrivate::LauncherPrivate() :
m_trkWriteToken(0),
m_trkWriteBusy(false),
m_timerId(-1),
m_serialFrame(true),
m_verbose(0)
{
}
@@ -173,6 +178,11 @@ void Launcher::setInstallFileName(const QString &name)
d->m_installFileName = name;
}
void Launcher::setSerialFrame(bool b)
{
d->m_serialFrame = b;
}
bool Launcher::startServer(QString *errorMessage)
{
if (d->m_verbose) {
@@ -239,6 +249,27 @@ bool Launcher::openTrkPort(const QString &port, QString *errorMessage)
*errorMessage = QString::fromLatin1("Cannot open %1: %2").arg(port, d->m_file.errorString());
return false;
}
struct termios termInfo;
if (tcgetattr(d->m_file.handle(), &termInfo) < 0) {
*errorMessage = QString::fromLatin1("Unable to retrieve terminal settings: %1 %2").arg(errno).arg(QString::fromAscii(strerror(errno)));
return false;
}
// Turn off terminal echo as not get messages back, among other things
termInfo.c_cflag|=CREAD|CLOCAL;
termInfo.c_lflag&=(~(ICANON|ECHO|ECHOE|ECHOK|ECHONL|ISIG));
termInfo.c_iflag&=(~(INPCK|IGNPAR|PARMRK|ISTRIP|ICRNL|IXANY));
termInfo.c_oflag&=(~OPOST);
termInfo.c_cc[VMIN]=0;
termInfo.c_cc[VINTR] = _POSIX_VDISABLE;
termInfo.c_cc[VQUIT] = _POSIX_VDISABLE;
termInfo.c_cc[VSTART] = _POSIX_VDISABLE;
termInfo.c_cc[VSTOP] = _POSIX_VDISABLE;
termInfo.c_cc[VSUSP] = _POSIX_VDISABLE;
if (tcsetattr(d->m_file.handle(), TCSAFLUSH, &termInfo) < 0) {
*errorMessage = QString::fromLatin1("Unable to apply terminal settings: %1 %2").arg(errno).arg(QString::fromAscii(strerror(errno)));
return false;
}
return true;
#endif
}
@@ -324,7 +355,7 @@ void Launcher::tryTrkWrite()
void Launcher::trkWrite(const TrkMessage &msg)
{
QByteArray ba = frameMessage(msg.code, msg.token, msg.data);
QByteArray ba = frameMessage(msg.code, msg.token, msg.data, d->m_serialFrame);
d->m_writtenTrkMessages.insert(msg.token, msg);
d->m_trkWriteBusy = true;
@@ -364,10 +395,11 @@ void Launcher::tryTrkRead()
while (TryReadFile(d->m_hdevice, buffer, BUFFERSIZE, &charsRead, NULL)) {
d->m_trkReadQueue.append(buffer, charsRead);
if (isValidTrkResult(d->m_trkReadQueue))
if (isValidTrkResult(d->m_trkReadQueue, d->m_serialFrame))
break;
}
if (!isValidTrkResult(d->m_trkReadQueue)) {
const ushort len = isValidTrkResult(d->m_trkReadQueue, d->m_serialFrame);
if (!len) {
logMessage("Partial message: " + stringFromArray(d->m_trkReadQueue));
return;
}
@@ -377,7 +409,8 @@ void Launcher::tryTrkRead()
return;
const QByteArray data = d->m_file.read(size);
d->m_trkReadQueue.append(data);
if (!isValidTrkResult(d->m_trkReadQueue)) {
const ushort len = isValidTrkResult(d->m_trkReadQueue, d->m_serialFrame);
if (!len) {
if (d->m_trkReadQueue.size() > 10) {
logMessage(QString::fromLatin1("Unable to extract message from '%1' '%2'").
arg(QLatin1String(d->m_trkReadQueue.toHex())).arg(QString::fromAscii(d->m_trkReadQueue)));
@@ -385,8 +418,8 @@ void Launcher::tryTrkRead()
return;
}
#endif // Q_OS_WIN
logMessage("READ: " + stringFromArray(d->m_trkReadQueue));
handleResult(extractResult(&d->m_trkReadQueue));
logMessage(QString::fromLatin1("READ: %1 bytes %2").arg(len).arg(stringFromArray(d->m_trkReadQueue)));
handleResult(extractResult(&d->m_trkReadQueue, d->m_serialFrame));
d->m_trkWriteBusy = false;
}

3
tests/manual/trk/launcher.h
View File

@@ -51,7 +51,8 @@ public:
void setCopyFileName(const QString &srcName, const QString &dstName);
void setInstallFileName(const QString &name);
bool startServer(QString *errorMessage);
void setVerbose(int v);
void setVerbose(int v);
void setSerialFrame(bool b);
signals:
void copyingStarted();

6
tests/manual/trk/main_launcher.cpp
View File

@@ -6,7 +6,8 @@
static const char *usageC =
"\nUsage: %1 <trk_port_name> [-v] [-i remote_sis_file | -I local_sis_file remote_sis_file] <remote_executable_name>\n"
"\nOptions:\n -v verbose\n\n"
"\nOptions:\n -v verbose\n"
" -f turn serial message frame off\n\n"
"\nPing:\n"
"%1 COM5\n"
"\nRemote launch:\n"
@@ -40,6 +41,9 @@ static bool parseArguments(const QStringList &arguments, trk::Launcher &launcher
case 'v':
verbosity++;
break;
case 'f':
launcher.setSerialFrame(false);
break;verbosity++;
case 'i':
install = true;
break;

22
tests/manual/trk/trkserver.cpp
View File

@@ -52,9 +52,10 @@ void signalHandler(int)
using namespace trk;
struct TrkOptions {
TrkOptions() : verbose(1) {}
TrkOptions() : verbose(1), serialFrame(true) {}
int verbose;
bool serialFrame;
QString serverName;
QString dumpName;
QStringList additionalDumps;
@@ -191,6 +192,7 @@ public:
void setServerName(const QString &name) { m_serverName = name; }
void setMemoryDumpName(const QString &source) { m_memoryDumpName = source; }
void setVerbose(int v) { m_verbose = v; }
void setSerialFrame(bool b) { m_serialFrame = b; }
bool readDump(const QString &fn);
bool startServer();
@@ -218,12 +220,15 @@ private:
Inferior m_inferior;
byte m_notificationToken;
int m_verbose;
bool m_serialFrame;
};
TrkServer::TrkServer() : m_verbose(1)
TrkServer::TrkServer() :
m_adapterConnection(0),
m_notificationToken(0),
m_verbose(1),
m_serialFrame(true)
{
m_adapterConnection = 0;
m_notificationToken = 0;
}
TrkServer::~TrkServer()
@@ -294,12 +299,12 @@ void TrkServer::readFromAdapter()
logMessage("buffer: " + stringFromArray(m_adapterReadBuffer));
while (!m_adapterReadBuffer.isEmpty())
handleAdapterMessage(extractResult(&m_adapterReadBuffer));
handleAdapterMessage(extractResult(&m_adapterReadBuffer, m_serialFrame));
}
void TrkServer::writeToAdapter(byte command, byte token, const QByteArray &data)
{
QByteArray msg = frameMessage(command, token, data);
QByteArray msg = frameMessage(command, token, data, m_serialFrame);
logMessage("trk: <- " + stringFromArray(msg));
m_adapterConnection->write(msg);
}
@@ -450,7 +455,10 @@ static bool readTrkArgs(const QStringList &args, TrkOptions *o)
o->verbose++;
} else if (*it == QLatin1String("-q")) {
o->verbose = 0;
} else if (*it == QLatin1String("-f")) {
o->serialFrame= false;
}
} else {
switch (argNumber++) {
case 0:
@@ -479,6 +487,7 @@ int main(int argc, char *argv[])
if (!readTrkArgs(app.arguments(), &options)) {
qWarning("Usage: %s [-v|-q] <trkservername> <replaysource> [additional dumps]\n"
"Options: -v verbose\n"
" -f Turn serial message frame off\n"
" -q quiet\n"
" Additional dump names must follow the naming convention '0x4AD.bin", argv[0]);
return 1;
@@ -487,6 +496,7 @@ int main(int argc, char *argv[])
TrkServer server;
server.setServerName(options.serverName);
server.setMemoryDumpName(options.dumpName);
server.setSerialFrame(options.serialFrame);
foreach(const QString &ad, options.additionalDumps)
if (!server.readDump(ad))
return -1;

65
tests/manual/trk/trkutils.cpp
View File

@@ -43,6 +43,13 @@ QByteArray hexNumber(uint n, int digits)
return QByteArray(digits - ba.size(), '0') + ba;
}
TrkResult::TrkResult() :
code(0),
token(0),
isDebugOutput(false)
{
}
QString TrkResult::toString() const
{
QString res = stringFromByte(code) + "[" + stringFromByte(token);
@@ -50,7 +57,7 @@ QString TrkResult::toString() const
return res + "] " + stringFromArray(data);
}
QByteArray frameMessage(byte command, byte token, const QByteArray &data)
QByteArray frameMessage(byte command, byte token, const QByteArray &data, bool serialFrame)
{
byte s = command + token;
for (int i = 0; i != data.size(); ++i)
@@ -66,13 +73,15 @@ QByteArray frameMessage(byte command, byte token, const QByteArray &data)
response.append(char(checksum));
QByteArray encodedData = encode7d(response);
ushort encodedSize = encodedData.size() + 2; // 2 x 0x7e
QByteArray ba;
ba.append(char(0x01));
ba.append(char(0x90));
ba.append(char(encodedSize / 256));
ba.append(char(encodedSize % 256));
if (serialFrame) {
ba.append(char(0x01));
ba.append(char(0x90));
const ushort encodedSize = encodedData.size() + 2; // 2 x 0x7e
ba.append(char(encodedSize / 256));
ba.append(char(encodedSize % 256));
}
ba.append(char(0x7e));
ba.append(encodedData);
ba.append(char(0x7e));
@@ -82,38 +91,48 @@ QByteArray frameMessage(byte command, byte token, const QByteArray &data)
/* returns 0 if array doesn't represent a result,
otherwise returns the length of the result data */
ushort isValidTrkResult(const QByteArray &buffer)
ushort isValidTrkResult(const QByteArray &buffer, bool serialFrame)
{
if (buffer.length() < 4)
return 0;
if (buffer.at(0) != 0x01 || byte(buffer.at(1)) != 0x90)
return 0;
ushort len = extractShort(buffer.data() + 2);
if (buffer.size() < len + 4) {
return 0;
if (serialFrame) {
// Serial protocol with length info
if (buffer.length() < 4)
return 0;
if (buffer.at(0) != 0x01 || byte(buffer.at(1)) != 0x90)
return 0;
const ushort len = extractShort(buffer.data() + 2);
return (buffer.size() >= len + 4) ? len : ushort(0);
}
return len;
// Frameless protocol without length info
const char delimiter = char(0x7e);
const int firstDelimiterPos = buffer.indexOf(delimiter);
// Regular message delimited by 0x7e..0x7e
if (firstDelimiterPos == 0) {
const int endPos = buffer.indexOf(delimiter, firstDelimiterPos + 1);
return endPos != -1 ? endPos + 1 - firstDelimiterPos : 0;
}
// Some ASCII log message up to first delimiter or all
return firstDelimiterPos != -1 ? firstDelimiterPos : buffer.size();
}
TrkResult extractResult(QByteArray *buffer)
TrkResult extractResult(QByteArray *buffer, bool serialFrame)
{
TrkResult result;
ushort len = isValidTrkResult(*buffer);
const ushort len = isValidTrkResult(*buffer, serialFrame);
if (!len)
return result;
// handle receiving application output, which is not a regular command
if (buffer->at(4) != 0x7e) {
const int delimiterPos = serialFrame ? 4 : 0;
if (buffer->at(delimiterPos) != 0x7e) {
result.isDebugOutput = true;
result.data = buffer->mid(4, len);
result.data = buffer->mid(delimiterPos, len);
result.data.replace("\r\n", "\n");
*buffer = buffer->mid(4 + len);
*buffer->remove(0, delimiterPos + len);
return result;
}
// FIXME: what happens if the length contains 0xfe?
// Assume for now that it passes unencoded!
QByteArray data = decode7d(buffer->mid(5, len - 2));
*buffer->remove(0, 4 + len);
const QByteArray data = decode7d(buffer->mid(delimiterPos + 1, len - 2));
*buffer->remove(0, delimiterPos + len);
byte sum = 0;
for (int i = 0; i < data.size(); ++i) // 3 = 2 * 0xfe + sum

11
tests/manual/trk/trkutils.h
View File

@@ -171,7 +171,7 @@ struct Breakpoint
struct TrkResult
{
TrkResult() { code = token = 0; isDebugOutput = false; }
TrkResult();
QString toString() const;
// 0 for no error.
int errorCode() const;
@@ -183,10 +183,11 @@ struct TrkResult
bool isDebugOutput;
};
// returns a QByteArray containing 0x01 0x90 <len> 0x7e encoded7d(ba) 0x7e
QByteArray frameMessage(byte command, byte token, const QByteArray &data);
ushort isValidTrkResult(const QByteArray &buffer);
TrkResult extractResult(QByteArray *buffer);
// returns a QByteArray containing optionally
// the serial frame [0x01 0x90 <len>] and 0x7e encoded7d(ba) 0x7e
QByteArray frameMessage(byte command, byte token, const QByteArray &data, bool serialFrame);
ushort isValidTrkResult(const QByteArray &buffer, bool serialFrame);
TrkResult extractResult(QByteArray *buffer, bool serialFrame);
QByteArray errorMessage(byte code);
QByteArray hexNumber(uint n, int digits = 0);
uint swapEndian(uint in);