Fixes for PVS errors

src/altera.cpp

@@ -54,7 +54,7 @@ Altera::Altera(Jtag *jtag, const std::string &filename,
 					printError("\tplease use rbf or svf file");
 					printError("\tor use --write-flash with: ", false);
 					printError("-b board_name or --fpga_part xxxx");
-					std::runtime_error("Error: wrong file");
+					throw std::runtime_error("Error: wrong file");
 				} else {
 					_mode = Device::SPI_MODE;
 				}

src/anlogicCable.cpp

@@ -93,7 +93,6 @@ int AnlogicCable::setClkFreq(uint32_t clkHZ)
 
 	if (clkHZ > 6000000) {
 		printWarn("Anlogic JTAG probe limited to 6MHz");
-		clkHZ = 6000000;
 	}
 
 	if (clkHZ >= 6000000) {

src/board.hpp

@@ -160,9 +160,9 @@ static std::map <std::string, target_board_t> board_list = {
 	DFU_BOARD("icebreaker-bitsy", "", "dfu", 0x1d50, 0x6146, 0),
 	JTAG_BOARD("kc705",           "", "digilent", 0, 0, CABLE_DEFAULT),
 	JTAG_BOARD("LD-SCHOKO",       "LFE5U-45F-6CABGA256", "", 0, 0, CABLE_MHZ(6)),
-	DFU_BOARD("LD-SCHOKO",        "", "dfu", 0x16d0, 0x116d, 0),
+	DFU_BOARD("LD-SCHOKO-DFU",        "", "dfu", 0x16d0, 0x116d, 0),
 	JTAG_BOARD("LD-KONFEKT",      "LFE5U-12F-6BG256C", "", 0, 0, CABLE_MHZ(6)),
-	DFU_BOARD("LD-KONFEKT",       "", "dfu", 0x16d0, 0x116d, 0),
+	DFU_BOARD("LD-KONFEKT-DFU",       "", "dfu", 0x16d0, 0x116d, 0),
 	JTAG_BOARD("licheeTang",      "", "anlogicCable", 0, 0, CABLE_DEFAULT),
 	/* left for backward compatibility, use tec0117 instead */
 	JTAG_BOARD("littleBee",       "", "ft2232",     0, 0, CABLE_DEFAULT),

src/cmsisDAP.cpp

@@ -95,7 +95,7 @@ CmsisDAP::CmsisDAP(const cable_t &cable, int index, int8_t verbose):_verbose(ver
 	std::vector<struct hid_device_info *> dev_found;
 	_ll_buffer = (unsigned char *)malloc(sizeof(unsigned char) * 65);
 	if (!_ll_buffer)
-		std::runtime_error("internal buffer allocation failed");
+		throw std::runtime_error("internal buffer allocation failed");
 	_buffer = _ll_buffer+2;
 
 	/* only hid support */

src/colognechip.cpp

@@ -6,6 +6,8 @@
 
 #include "colognechip.hpp"
 
+#include <memory>
+
 #define JTAG_CONFIGURE  0x06
 #define JTAG_SPI_BYPASS 0x05
 #define SLEEP_US 500
@@ -125,7 +127,7 @@ bool CologneChip::dumpFlash(uint32_t base_addr, uint32_t len)
 	if (_spi) {
 		/* enable output and hold reset */
 		_spi->gpio_clear(_rstn_pin | _oen_pin);
-	} else {
+	} else if (_ftdi_jtag) {
 		/* enable output and disable reset */
 		_ftdi_jtag->gpio_clear(_oen_pin);
 		_ftdi_jtag->gpio_set(_rstn_pin);
@@ -134,13 +136,9 @@ bool CologneChip::dumpFlash(uint32_t base_addr, uint32_t len)
 	/* prepare SPI access */
 	printInfo("Read Flash ", false);
 	try {
-		SPIFlash *flash;
+		std::unique_ptr<SPIFlash> flash(_spi ?
-		if (_spi) {
+				new SPIFlash(reinterpret_cast<SPIInterface *>(_spi), false, _verbose):
-			flash = new SPIFlash(reinterpret_cast<SPIInterface *>(_spi), false,
+				new SPIFlash(this, false, _verbose));
-					_verbose);
-		} else {
-			flash = new SPIFlash(this, false, _verbose);
-		}
 		flash->reset();
 		flash->power_up();
 		flash->dump(_filename, base_addr, len);
@@ -172,14 +170,14 @@ void CologneChip::program(unsigned int offset, bool unprotect_flash)
 	if (_mode == Device::NONE_MODE || _mode == Device::READ_MODE)
 		return;
 
-	ConfigBitstreamParser *cfg;
+	std::unique_ptr<ConfigBitstreamParser> cfg;
 	if (_file_extension == "cfg") {
-		cfg = new CologneChipCfgParser(_filename);
+		cfg.reset(new CologneChipCfgParser(_filename));
 	} else if (_file_extension == "bit") {
-		cfg = new RawParser(_filename, false);
+		cfg.reset(new RawParser(_filename, false));
 	} else { /* unknown type: */
 		if (_mode == Device::FLASH_MODE) {
-			cfg = new RawParser(_filename, false);
+			cfg.reset(new RawParser(_filename, false));
 		} else {
 			throw std::runtime_error("incompatible file format");
 		}
@@ -192,18 +190,16 @@ void CologneChip::program(unsigned int offset, bool unprotect_flash)
 
 	switch (_mode) {
 		case Device::FLASH_MODE:
-			if (_jtag != NULL) {
+			if (_jtag != NULL)
 				programJTAG_flash(offset, data, length, unprotect_flash);
-			} else if (_jtag == NULL) {
+			else
 				programSPI_flash(offset, data, length, unprotect_flash);
-			}
 			break;
 		case Device::MEM_MODE:
-			if (_jtag != NULL) {
+			if (_jtag != NULL)
 				programJTAG_sram(data, length);
-			} else if (_jtag == NULL) {
+			else
 				programSPI_sram(data, length);
-			}
 			break;
 		default: /* avoid warning */
 			break;
@@ -389,7 +385,7 @@ int CologneChip::spi_wait(uint8_t cmd, uint8_t mask, uint8_t cond,
 						  uint32_t timeout, bool verbose)
 {
 	uint8_t rx[2];
-	uint8_t dummy[2];
+	uint8_t dummy[2] = {0xff};
 	uint8_t tmp;
 	uint8_t tx = ConfigBitstreamParser::reverseByte(cmd);
 	uint32_t count = 0;

src/configBitstreamParser.cpp

@@ -216,6 +216,6 @@ bool ConfigBitstreamParser::decompress_bitstream(string source, string *dest)
 
 	/* clean up and return */
 	(void)inflateEnd(&strm);
-	return ret == Z_STREAM_END;
+	return true;
 #endif
 }

src/dfu.cpp

@@ -561,7 +561,7 @@ int DFU::dfu_detach()
 
 int DFU::get_status(struct dfu_status *status)
 {
-	uint8_t buffer[6];
+	uint8_t buffer[6] = {0};
 	int res;
 
 	res = send(false, DFU_GETSTATUS, 0, buffer, 6);
@@ -586,7 +586,7 @@ int DFU::get_status(struct dfu_status *status)
  */
 char DFU::get_state()
 {
-	char c;
+	char c = 0;
 
 	int res = send(false, DFU_GETSTATE, 0, (unsigned char *)&c, 1);
 

src/ice40.cpp

@@ -89,7 +89,7 @@ bool Ice40::program_cram(const uint8_t *data, uint32_t length)
 	progress.done();
 
 	/* send 48 to 100 dummy bits */
-	uint8_t dummy[12];
+	uint8_t dummy[12] = {0xff};
 	_spi->spi_put(dummy, NULL, 12);
 
 	/* wait CDONE */

src/jedParser.cpp

@@ -187,8 +187,8 @@ void JedParser::parseEField(const vector<string> &content)
 {
 	_featuresRow = 0;
 	string featuresRow = content[0].substr(1);
-	for (size_t i = 0; i < featuresRow.size(); i++)
+	for (size_t i = 0; i < featuresRow.size(); ++i)
-		_featuresRow |= ((featuresRow[i] - '0') << i);
+		_featuresRow |= (uint64_t(featuresRow[i] - '0') << i);
 	string feabits = content[1];
 	_feabits = 0;
 	for (size_t i = 0; i < feabits.size(); i++) {

src/jtag.cpp

@@ -147,6 +147,8 @@ Jtag::Jtag(const cable_t &cable, const jtag_pins_conf_t *pin_conf,
 	}
 
 	_tms_buffer = (unsigned char *)malloc(sizeof(unsigned char) * _tms_buffer_size);
+	if (_tms_buffer == nullptr)
+		throw std::runtime_error("Error: memory allocation failed");
 	memset(_tms_buffer, 0, _tms_buffer_size);
 
 	detectChain(5);
@@ -618,7 +620,7 @@ void Jtag::set_state(tapState_t newState)
 				_state = RUN_TEST_IDLE;
 			} else {
 				tms = 1;
-				_state = SELECT_DR_SCAN;
+				_state = SELECT_IR_SCAN;
 			}
 			break;
 		case UNKNOWN:;

src/lattice.cpp

@@ -765,11 +765,10 @@ bool Lattice::program_flash(unsigned int offset, bool unprotect_flash)
 	} else if (_file_extension == "pub") {
 		/* clear current SRAM content */
 		clearSRAM();
-		retval = program_pubkey_MachXO3D();
+		program_pubkey_MachXO3D();
 	} else {
 		//  machox2 + bit
 		if (_file_extension == "bit" && _fpga_family == MACHXO2_FAMILY) {
-			retval = true;
 			try {
 				LatticeBitParser _bit(_filename, true, _verbose);
 				_bit.parse();
@@ -1357,23 +1356,24 @@ int Lattice::spi_put(uint8_t cmd, const uint8_t *tx, uint8_t *rx, uint32_t len)
 
 int Lattice::spi_put(const uint8_t *tx, uint8_t *rx, uint32_t len)
 {
-	int xfer_len = len;
+	if (len == 0)
-	uint8_t jtx[xfer_len];
+		return 0;
-	uint8_t jrx[xfer_len];
+	uint8_t jtx[len];
+	uint8_t jrx[len];
 
-	if (tx) {
+	for (uint32_t i = 0; i < len; ++i) {
-		for (uint32_t i=0; i < len; i++)
+		jtx[i] = (tx) ? LatticeBitParser::reverseByte(tx[i]) : 0;
-			jtx[i] = LatticeBitParser::reverseByte(tx[i]);
+		jrx[i] = 0;
 	}
 
 	/* send first already stored cmd,
 	 * in the same time store each byte
 	 * to next
 	 */
-	_jtag->shiftDR(jtx, (rx == NULL)? NULL: jrx, 8*xfer_len);
+	_jtag->shiftDR(jtx, (rx) ? jrx : nullptr, 8 * len);
 
-	if (rx != NULL) {
+	if (rx) {
-		for (uint32_t i=0; i < len; i++)
+		for (uint32_t i = 0; i < len; ++i)
 			rx[i] = LatticeBitParser::reverseByte(jrx[i]);
 	}
 	return 0;
@@ -1383,7 +1383,7 @@ int Lattice::spi_wait(uint8_t cmd, uint8_t mask, uint8_t cond,
 		uint32_t timeout, bool verbose)
 {
 	uint8_t rx;
-	uint8_t dummy[2];
+	uint8_t dummy[2] = {0xff};
 	uint8_t tmp;
 	uint8_t tx = LatticeBitParser::reverseByte(cmd);
 	uint32_t count = 0;
@@ -2045,9 +2045,6 @@ bool Lattice::program_pubkey_MachXO3D()
 				printf("%02x", pubkey[j]);
 			}
 			printf("]\n");
-		}
-
-		if (_verbose) {
 			printf("Trailing bytes: [");
 			for (; i < len; i++) {
 				printf("%02x ", data[i]);

src/part.hpp

@@ -179,7 +179,7 @@ static std::map <uint32_t, fpga_model> fpga_list = {
 	/* Lattice MachXO3 */
 	{0x012BB043, {"lattice", "MachXO3LF", "LCMX03LF-1300C", 8}},
 	{0x012B2043, {"lattice", "MachXO3LF", "LCMX03LF-1300E", 8}},
-	{0x012BB043, {"lattice", "MachXO3LF", "LCMX03LF-2100C", 8}},
+	{0x612BB043, {"lattice", "MachXO3LF", "LCMX03LF-2100C", 8}},
 	{0x012B3043, {"lattice", "MachXO3LF", "LCMX03LF-2100E", 8}},
 	{0x012BC043, {"lattice", "MachXO3LF", "LCMX03LF-4300C", 8}},
 	{0x012B4043, {"lattice", "MachXO3LF", "LCMX03LF-4300E", 8}},
@@ -207,8 +207,8 @@ static std::map <uint32_t, fpga_model> fpga_list = {
 	{0x010F1043, {"lattice", "CrosslinkNX", "LIFCL-40", 8}},
 
 	/* Lattice Certus-NX */
-	{0x010F0043, {"lattice", "CertusNX", "LFD2NX-17", 8}},
+	{0x310F0043, {"lattice", "CertusNX", "LFD2NX-17", 8}},
-	{0x010F1043, {"lattice", "CertusNX", "LFD2NX-40", 8}},
+	{0x310F1043, {"lattice", "CertusNX", "LFD2NX-40", 8}},
 
 	/**************************************************************************/
 	/*                             Gowin                                      */

src/svf_jtag.cpp

@@ -142,6 +142,8 @@ void SVF_jtag::parse_XYR(vector<string> const &vstr, svf_XYR &t)
 	}
 	if (write_data != -1) {
 		size_t byte_len = (t.len + 7) / 8;
+		if (byte_len == 0)
+			return;
 		unsigned char *write_buffer = parse_hex(t.tdi, byte_len, 0);
 		if (!t.smask.empty()) {
 			unsigned char *smaskbuff = parse_hex(t.smask, byte_len, 0);
@@ -171,6 +173,8 @@ void SVF_jtag::parse_XYR(vector<string> const &vstr, svf_XYR &t)
 						cerr << uppercase << hex << int(read_buffer[j]);
 					}
 					cerr << " isn't the one expected: " << uppercase << t.tdo << endl;
+					delete[] tdobuf;
+					delete[] maskbuf;
 					throw exception();
 				}
 			}

src/usbBlaster.cpp

@@ -434,7 +434,7 @@ UsbBlasterII::UsbBlasterII(const string &firmware_path)
 {
 	std::string fpath;
 	uint8_t buf[5];
-	if (firmware_path.empty() && BLASTERII_DIR == "") {
+	if (firmware_path.empty() && strlen(BLASTERII_DIR) == 0) {
 		printError("missing FX2 firmware");
 		printError("use --probe-firmware with something");
 		printError("like /opt/intelFPGA/VERSION/quartus/linux64/blaster_6810.hex");

src/xilinx.cpp

@@ -10,6 +10,7 @@
 #include <stdexcept>
 #include <string>
 #include <vector>
+#include <memory>
 
 #include "jtag.hpp"
 #include "bitparser.hpp"
@@ -371,10 +372,11 @@ void Xilinx::program(unsigned int offset, bool unprotect_flash)
 		return;
 
 	if (_mode == Device::FLASH_MODE && _file_extension == "jed") {
-		JedParser *jed;
+		if (_fpga_family != XC95_FAMILY && _fpga_family != XC2C_FAMILY)
+			throw std::runtime_error("Error: jed only supported for xc95 and xc2c");
 		printInfo("Open file ", false);
-
+		
-		jed = new JedParser(_filename, _verbose);
+		std::unique_ptr<JedParser> jed(new JedParser(_filename, _verbose));
 		if (jed->parse() == EXIT_FAILURE) {
 			printError("FAIL");
 			return;
@@ -382,11 +384,9 @@ void Xilinx::program(unsigned int offset, bool unprotect_flash)
 		printSuccess("DONE");
 
 		if (_fpga_family == XC95_FAMILY)
-			flow_program(jed);
+			flow_program(jed.get());
 		else if (_fpga_family == XC2C_FAMILY)
-			xc2c_flow_program(jed);
+			xc2c_flow_program(jed.get());
-		else
-			throw std::runtime_error("Error: jed only supported for xc95 and xc2c");
 		return;
 	}
 
@@ -974,7 +974,7 @@ std::string Xilinx::flow_read()
 	std::string buffer;
 	uint8_t wr_buf[16+2];  // largest section length
 	uint8_t rd_buf[16+2];
-	memset(wr_buf, 0xff, 16);
+	memset(wr_buf, 0xff, sizeof(wr_buf));
 
 	/* limit JTAG clock frequency to 1MHz */
 	if (_jtag->getClkFreq() > 1e6)
@@ -1433,7 +1433,6 @@ std::string Xilinx::xc2c_flow_read()
 
 bool Xilinx::xc2c_flow_program(JedParser *jed)
 {
-	uint8_t wr_buf[249];  // largest section length
 	uint32_t delay_loop = (_jtag->getClkFreq() * 20) / 1000;
 	uint8_t shift_addr = 8 - _cpld_addr_size;
 
@@ -1472,6 +1471,7 @@ bool Xilinx::xc2c_flow_program(JedParser *jed)
 	for (auto row : listfuse) {
 		uint16_t pos = 0;
 		uint8_t addr = _gray_code[iter] >> shift_addr;
+		uint8_t wr_buf[249] = {0};  // largest section length
 		for (auto col : row) {
 			if (col)
 				wr_buf[pos >> 3] |= (1 << (pos & 0x07));
@@ -1577,7 +1577,7 @@ int Xilinx::spi_wait(uint8_t cmd, uint8_t mask, uint8_t cond,
 			uint32_t timeout, bool verbose)
 {
 	uint8_t rx[2];
-	uint8_t dummy[2];
+	uint8_t dummy[2] = {0xff};
 	uint8_t tmp;
 	uint8_t tx = McsParser::reverseByte(cmd);
 	uint32_t count = 0;

src/xvc_server.hpp

@@ -82,8 +82,8 @@ class XVC_server {
 		int _sock;             /*!< server socket descriptor */
 		struct sockaddr_in _sock_addr;
 		std::thread *_thread;  /*!< connection thread */
-		bool _is_stopped;      /*!< true when thread is stopped */
+		volatile bool _is_stopped;      /*!< true when thread is stopped */
-		bool _must_stop;       /*!< true to stop thread */
+		volatile bool _must_stop;       /*!< true to stop thread */
 		uint32_t _buffer_size; /*!< buffer max capacity TDI+TMS */
 		uint8_t *_tmstdi;      /*!< TDI/TMS from client */
 		uint8_t *_result;      /*!< buffer for server -> client */