L4Linux/ser shm: Difference between revisions
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Created page with "== L4Linux shared memory network == The driver '''l4ser_shm''' can connect two L4Linuxes, providing tty interfaces (ttyLsX) and using a shared memory to exchange data. To use th..." |
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== L4Linux shared memory | == L4Linux shared memory serial communication == | ||
The driver '''l4ser_shm''' can connect two L4Linuxes, providing tty interfaces (ttyLsX) and using a shared memory to exchange data. To use the driver to make sure to include in your L4Linux build, it's available under that L4Linux/stub drivers menu. | The driver '''l4ser_shm''' can connect two L4Linuxes, providing tty interfaces (ttyLsX) and using a shared memory to exchange data. To use the driver to make sure to include in your L4Linux build, it's available under that L4Linux/stub drivers menu. | ||
Revision as of 00:19, 30 November 2011
The driver l4ser_shm can connect two L4Linuxes, providing tty interfaces (ttyLsX) and using a shared memory to exchange data. To use the driver to make sure to include in your L4Linux build, it's available under that L4Linux/stub drivers menu.
For the first Linux add as a kernel parameter:
l4ser_shm.add=shmns,create
For the second add as a kernel parameter:
l4ser_shm.add=shmns
In the start script, add:
local shmns = L4.default_loader:create_namespace({ shm = "placeholder" });
and add shmns with rw rights to both L4Linuxes:
caps = { .... , shmns = shmns:mode("rw"), .... }
You need to add a tty device to both instances:
mknod /dev/ttyLs0 c 204 15
Then run
getty 115200 /dev/ttyLs0
on one instance and
microcom -c 115200 /dev/ttyLs0
to connect to this console from the other instance
