X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=README;h=33258e8aab065391e26c2a47fccaf3b1990b6797;hp=34f790746a1151984bc84337d7e8e5f499a386d0;hb=7f48f463a1441c34790b462add2f43b38b44887b;hpb=ff5170a979221ed5c3962c716f63a5ef3c83d9d5 diff --git a/README b/README index 34f790746a..33258e8aab 100644 --- a/README +++ b/README @@ -64,17 +64,23 @@ you can build the in-tree documentation. Installing OpenOCD ================== +On Linux, you may have permissions problems to address. The best +way to do this is to use the contrib/udev.rules file. It probably +belongs somewhere in /etc/udev/rules.d, but consult your operating +system documentation to be sure. In particular, make sure that it +matches the syntax used by your operating system's version of udev. + A Note to OpenOCD Users ----------------------- If you would rather be working "with" OpenOCD rather than "on" it, your -operating system or interface supplier may provide binaries for you in a -convenient package. +operating system or JTAG interface supplier may provide binaries for +you in a convenient-enough package. -Such packages should be more stable than SVN trunk, where bleeding-edge +Such packages may be more stable than git mainline, where bleeding-edge development takes place. These "Packagers" produce binary releases of -OpenOCD after the developers produces new "stable" versions of the -source code. Previous versions of OpenOCD cannot be used to diagnosed +OpenOCD after the developers produces new "release" versions of the +source code. Previous versions of OpenOCD cannot be used to diagnose problems with the current release, so users are encouraged to keep in contact with their distribution package maintainers or interface vendors to ensure suitable upgrades appear regularly. @@ -119,7 +125,7 @@ Building OpenOCD The INSTALL file contains generic instructions for running 'configure' and compiling the OpenOCD source code. That file is provided by default for all GNU automake packages. If you are not familiar with the GNU -autotools, then you should read those instructions first. +autotools, then you should read those instructions first. The remainder of this document tries to provide some instructions for those looking for a quick-install. @@ -157,7 +163,7 @@ To build OpenOCD (on both Linux and Cygwin), use the following sequence of commands: ./configure [with some options listed in the next section] - make + make make install The 'configure' step generates the Makefiles required to build OpenOCD, @@ -174,7 +180,7 @@ the 'configure' script. For example, you can configure OpenOCD to cross-compile on a x86 Linux host to run on Windows (MinGW32), you could use the following configuration options: - ./configure --build=i686-pc-linux-gnu --host=i586-mingw32msvc ... + ./configure --build=i686-pc-linux-gnu --host=i586-mingw32msvc ... Likewise, the following options allow OpenOCD to be cross-compiled for an ARM target on the same x86 host: @@ -199,7 +205,7 @@ options may be available there: --enable-maintainer-mode enable make rules and dependencies not useful (and sometimes confusing) to the casual installer - NOTE: This option is *required* for SVN builds! + NOTE: This option is *required* for GIT builds! It should *not* be used to build a release. --enable-dummy Enable building the dummy JTAG port driver @@ -209,9 +215,6 @@ options may be available there: FTD2XX --enable-ft2232_ftd2xx Enable building support for FT2232 based devices using the FTD2XX driver from ftdichip.com - --enable-ftd2xx-highspeed - Enable building support for FT2232H and - FT4232H-based devices (requires >=libftd2xx-0.4.16) --enable-gw16012 Enable building support for the Gateworks GW16012 JTAG Programmer @@ -295,12 +298,12 @@ have to use both the --enable-parport AND the --enable-parport-giveio option if you want to use giveio instead of ioperm parallel port access method. -FT2232C Based USB Dongles +FT2232C Based USB Dongles ------------------------- There are 2 methods of using the FTD2232, either (1) using the FTDICHIP.COM closed source driver, or (2) the open (and free) driver -libftdi. +libftdi. Using LIBFTDI ------------- @@ -314,7 +317,7 @@ installed. To use the newer FT2232H chips, supporting RTCK and USB high speed (480 Mbps), you need libftdi version 0.16 or newer. Many Linux distributions provide suitable packages for these libraries. -For Windows, libftdi is supported with versions 0.14 and later. +For Windows, libftdi is supported with versions 0.14 and later. With these prerequisites met, configure the libftdi solution like this: @@ -325,7 +328,7 @@ Then type ``make'', and perhaps ``make install''. Using FTDI's FTD2XX ------------------- -Some claim the (closed) FTDICHIP.COM solution is faster, which +The (closed source) FTDICHIP.COM solution is faster on MS-Windows. That is the motivation for supporting it even though its licensing restricts it to non-redistributable OpenOCD binaries, and it is not available for all operating systems used with OpenOCD. You may, however, build such @@ -334,7 +337,7 @@ copies for personal use. The FTDICHIP drivers come as either a (win32) ZIP file, or a (Linux) TAR.GZ file. You must unpack them ``some where'' convient. As of this writing FTDICHIP does not supply means to install these files "in an -appropriate place." +appropriate place." If your distribution does not package these, there are several './configure' options to solve this problem: @@ -355,7 +358,7 @@ Windows or Linux FTD2xx drivers from the following location: Remember, this library is binary-only, while OpenOCD is licenced according to GNU GPLv2 without any exceptions. That means that _distributing_ copies of OpenOCD built with the FTDI code would violate -the OpenOCD licensing terms. +the OpenOCD licensing terms. Linux Notes *********** @@ -370,32 +373,48 @@ the following: --with-ft2xx-linux-tardir=../libftd2xx0.4.16 \ ... other options ... -================================= -Obtaining OpenOCD From Subversion ---------------------------------- +Note that on Linux there is no good reason to use these FTDI binaries; +they are no faster (on Linux) than libftdi, and cause licensing issues. + +========================== +Obtaining OpenOCD From GIT +========================== + +You can download the current GIT version with a GIT client of your +choice from the main repository: + + git://openocd.git.sourceforge.net/gitroot/openocd/openocd + +You may prefer to use a mirror: + + http://repo.or.cz/r/openocd.git + git://repo.or.cz/openocd.git + +Using the GIT command line client, you might use the following command +to set up a local copy of the current repository (make sure there is no +directory called "openocd" in the current directory): + + git clone git://openocd.git.sourceforge.net/gitroot/openocd/openocd -You can download the current SVN version with an SVN client of your -choice from the following repositories: +Then you can update that at your convenience using - svn://svn.berlios.de/openocd/trunk -or - http://svn.berlios.de/svnroot/repos/openocd/trunk + git pull -Using the SVN command line client, you can use the following command to -fetch the latest version (make sure there is no (non-svn) directory -called "openocd" in the current directory): +There is also a gitweb interface, which you can use either to browse +the repository or to downlad arbitrary snapshots using HTTP: - svn checkout svn://svn.berlios.de/openocd/trunk openocd + http://openocd.git.sourceforge.net/git/gitweb.cgi?p=openocd/openocd + http://repo.or.cz/w/openocd.git -If you prefer GIT based tools, the git-svn package works too: +Snapshots are compressed tarballs of the source tree, about 1.3 MBytes +each at this writing. - git svn clone -s svn://svn.berlios.de/openocd -Tips For Building From The Subversion Repository -************************************************ +Tips For Building From a GIT Repository +--------------------------------------- Building OpenOCD from a repository requires a recent version of the GNU -autotools (autoconf >= 2.59 and automake >= 1.9). +autotools (autoconf >= 2.59 and automake >= 1.9). 1) Run './bootstrap' to create the 'configure' script and prepare the build process for your host system.