jlinkserver.cpp

Source Code of jlinkserver for Segger JLink

// JLinkServer.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"

using namespace std;


int _tmain(int argc, _TCHAR* argv[])
{
	SOCKET server;
	char* image = NULL;
	int flash = 1;
	int port = 11444;
	int nodownload = 1;
	int run = 0;

	cerr.setf(ios_base::hex);
	cout.setf(ios_base::hex);

	
	for (int i = 1; i < argc; i++) {
		if (strcmp(argv[i], "-flash") == 0) {
			flash = 1;
		}
		else if (strcmp(argv[i], "-ram") == 0) {
			flash = 0;
		}
		else if (strcmp(argv[i], "-port") == 0) {
			port = strtol(argv[i+1], NULL, 10);
			i++;
		}
		else if (strcmp(argv[i], "-nodownload") == 0) {
			nodownload = 1;
		}
		else if (strcmp(argv[i], "-run") == 0) {
			run = 1;
		}
		else if (argv[i][0] == '-') {
			cerr << "usage: " << argv[0] << " [-flash] [-ram] [-run] [-port <port>] [-nodownload] <image>" << endl;
			goto failed;
		}
		else if (image == NULL) {
			image = argv[i];
			nodownload = 0;
		}
		else {
			cerr << "Cannot specifiy image multiple times" << endl;
			goto failed;
		}
	}


	if (!nodownload && (image == NULL)) {
		cerr << "Must specify the image" << endl;
		goto failed;
	}

	JTAG* jtag = new JTAG();

	if (!nodownload) {
		ELF* elffile = new ELF(image);

//	jtag->StartLogging();

		if (flash) {
			jtag->FlashDownload(elffile);
		}	
		else {
			jtag->RamDownload(elffile);
		}
	}
	else {
		jtag->Initialise();
		jtag->MapRam(!flash);
	}
	
	if (run) {
		jtag->Go();
	}
	else {
		//	jtag->StartLogging();

		server = CreateServerSocket(port);
		if (server == INVALID_SOCKET) {
			cerr << "Failed to create server socket: " << GetLastError() << endl;
			goto failed;
		}

		while (1) {
			SOCKADDR_IN addr;
			int len = sizeof(addr);
			SOCKET client = accept(server, (sockaddr*)&addr, &len);

			if (client == INVALID_SOCKET) {
				cerr << "Failed to accept connection: " << GetLastError() << endl;
				goto failed;
			}


			// Create and run the server
			GdbServer* debugger = new GdbServer(client, jtag);
			debugger->Run();
			delete debugger;

			printf("Session finished - preparing next one\n");

			// Get ready for next time
			jtag->Initialise();
			jtag->MapRam(!flash);

		}
	}


	return 0;

failed:
	return -1;

}