diff options
Diffstat (limited to 'target/linux')
| -rw-r--r-- | target/linux/uml/README | 46 | ||||
| -rw-r--r-- | target/linux/uml/README.md | 51 |
2 files changed, 51 insertions, 46 deletions
diff --git a/target/linux/uml/README b/target/linux/uml/README deleted file mode 100644 index aa7bad91ae..0000000000 --- a/target/linux/uml/README +++ /dev/null @@ -1,46 +0,0 @@ -OpenWrt inside a user mode linux. Why would we even want this many ask? - -There are potentially a lot of reasons, one obvious one to me, it allows -folks to 'kick the tires' without actually flashing up any hardware. It's -also a great environment for porting over packages, you can get a package -fully functional in the uclibc root environment inside a uml without actually -disturbing your 'real router', and then rebuild for a specific target once -it's fully tested. - -This is a first stab at a build that 'just works' and there will be more -cleanup to come. The simple directions are:- - -Configure for uml target -Configure with an ext4 root file system -build it all - -In your bin directory you will find a kernel and an ext4 root file system -when it's finished. Just run it like this:- - -bin/targets/uml/generic/lede-uml-vmlinux -ubd0=bin/targets/uml/generic/openwrt-uml-ext4.img - -The uml will start, and eventually the serial console of the uml will be at your -console prompt. If you would like it in xterms, substitute con=xterm and con0=xterm. -No networking is configured, but, it's a starting point. The resulting file system -has just enough free space to start kicking the tires and playing in the world of -'embedded routers' along with all the resource restrictions that come with that -world. - -To configure networking and more, refer to the user mode linux documentation online. -A quick start goes along this line. install the uml-utilities packages so you have -the uml switch in and running, then add a command param to your uml start like this - -eth0=daemon,00:01:01:01:01:01,unix,/<your uml switch control socket here> - -With that in, and uml networking actually functional (can be a challenge at times), -you should be able to ifconfig the interface and talk to the host side, or, if you -bridged the uml switch to your host network, you should be able to run udhcp and be -away with networking off to the world. Again, if you are unfamiliar with uml and -uml networking, please read the docs and how-to stuff available on the net. It does -take some fiddling to get it started and working right the first time, but after that, -it opens up a whole new world of virtual machines. - - - -http://user-mode-linux.sourceforge.net/ diff --git a/target/linux/uml/README.md b/target/linux/uml/README.md new file mode 100644 index 0000000000..63c68db57f --- /dev/null +++ b/target/linux/uml/README.md @@ -0,0 +1,51 @@ +# OpenWrt inside a user mode linux + +> Why would we even want this many ask? + +There are potentially a lot of reasons, one obvious one to me, it allows folks +to 'kick the tires' without actually flashing up any hardware. It's also a +great environment for porting over packages, you can get a package fully +functional in the uclibc root environment inside a uml without actually +disturbing your 'real router', and then rebuild for a specific target once it's +fully tested. + +This is a first stab at a build that 'just works' and there will be more +cleanup to come. The simple directions are:- + +* Configure for uml target +* Configure with an ext4 or squashfs root file system +* Build it all + +In your bin directory you will find a Kernel and an root file system when it's +finished. Just run it like this:- + +```shell +./openwrt-uml-vmlinux ubd0=openwrt-uml-squashfs.img +``` + +The uml will start and eventually the serial console of the uml will be at your +console prompt. If you would like it in xterms, substitute `con=xterm` and +`con0=xterm`. **No networking is configured** but it's a starting point. The +resulting file system has just enough free space to start kicking the tires and +playing in the world of 'embedded routers' along with all the resource +restrictions that come with that world. + +To configure networking and more refer to the *user mode linux* documentation +online. A quick start goes along this line. Install the `uml-utilities` +packages so you have the `uml_switch` in and running, then add a command param +to your uml start like this: + +```shell +eth0=daemon,00:01:01:01:01:01,unix,/<your uml switch control socket here> +``` + +With that in, and uml networking actually functional (can be a challenge at +times), you should be able to `ifconfig` the interface and talk to the host +side or if you bridged the uml switch to your host network, you should be able +to run `udhcp` and be away with networking off to the world. Again, if you are +unfamiliar with uml and uml networking, please read the docs and how-to stuff +available on the net. It does take some fiddling to get it started and working +right the first time, but after that, it opens up a whole new world of virtual +machines. + +http://user-mode-linux.sourceforge.net/ |