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| 00:16.42 | flyback | http://www.youtube.com/watch?v=3sp7daldn4w# <-- this looks so cool |
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| 14:20.32 | gandhijee | hey do i need to have a /dev/console entry created before even mdev/udev try to populate the device tree |
| 14:22.10 | HcE | most likely, yes |
| 14:22.18 | HcE | and /dev/null is also nice to have |
| 14:22.28 | gandhijee | i'll just let mdev do that |
| 14:30.19 | mnemoc | make those two part of your image, or you may get "unexpected" content inside a /dev/null _file_ :) |
| 14:30.56 | gandhijee | o |
| 14:30.57 | gandhijee | ok |
| 14:38.06 | gandhijee | should i let mdev recreate the /dev/console and null entries |
| 14:38.07 | gandhijee | ? |
| 14:38.39 | HcE | I recommend having /dev as a tmpfs |
| 14:38.49 | gandhijee | yeah i do |
| 14:39.02 | HcE | then you do not need to worry |
| 14:39.05 | gandhijee | i'm using 64k of memory for i |
| 14:39.06 | gandhijee | t |
| 14:39.25 | HcE | just mount a tmpfs on /dev, and it will be empty when you run mdev -s |
| 14:39.40 | HcE | use tmpfs instead of ramfs |
| 14:39.50 | gandhijee | i am |
| 14:39.53 | HcE | then you do not have to worry about allocating memory |
| 14:40.07 | gandhijee | o |
| 14:41.23 | gandhijee | how can i make my whole system run out of an initramfs? |
| 14:41.35 | gandhijee | or do i have to make a ramdisk once its up and copy over to it |
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| 17:06.31 | flyback | http://www.youtube.com/watch?v=-Se3VdKd5Xw# <-- this is so cool :) |
| 17:20.31 | mnemoc | gandhijee: you can run it from initramfs without any trouble |
| 17:20.49 | flyback | has no one here used jtag on a amd elan? |
| 17:20.58 | flyback | is about to give up and just find a way to reflash the bios chips |
| 17:21.18 | mnemoc | gandhijee: except that you will consume from memory the expanded size of the initramfs + normally consumed memory |
| 17:22.15 | gandhijee | mnemoc: i'm not understanding the last statement i don't think |
| 17:22.31 | gandhijee | are you saying that it will consume the mem that its using for the initramfs |
| 17:22.42 | gandhijee | and then consume more for the processes it starts? |
| 17:22.46 | gandhijee | if so that is fine |
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| 17:26.56 | mnemoc | gandhijee: yes, that is what I tried to say |
| 17:27.11 | gandhijee | ok |
| 17:27.28 | gandhijee | and this also means i don't need to try to remount anything or do switch root magic |
| 17:27.46 | gandhijee | after thats done, how would my inittab be run? or would i spec that as a command line arg? |
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| 18:05.04 | mnemoc | gandhijee: from the initramfs you will get /init run, if you want /sbin/init you have to `exec` it |
| 18:05.47 | gandhijee | exec it from inside my /init? |
| 18:05.55 | mnemoc | yup |
| 18:06.12 | mnemoc | exec /sbin/init :) |
| 18:06.15 | gandhijee | so exec /sbin/init 6? |
| 18:06.23 | mnemoc | ehm |
| 18:06.24 | gandhijee | as my last line |
| 18:06.31 | gandhijee | of init |
| 18:06.46 | mnemoc | the '6' is used in sysvinit to request a reboot |
| 18:06.56 | gandhijee | whoops |
| 18:07.18 | gandhijee | i meant 5 |
| 18:07.30 | gandhijee | i guess i only really need to do 3 for what i am trying to do |
| 18:08.04 | mnemoc | if your /sbin/init uses /etc/inittab, it will take the default level from there |
| 18:08.48 | mnemoc | but the idea of "runlevels" in an embedded system is odd |
| 18:09.00 | mnemoc | at least to me |
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| 18:31.37 | gandhijee | i guess i shouldn't have said that |
| 18:31.51 | gandhijee | i'm using the init from busybox anyways so there are no real run levels |
| 18:32.00 | gandhijee | it was just away to connect the idea in my head |
| 18:34.07 | mnemoc | :) |
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| 19:15.24 | gandhijee | is there away to assign the IRQ and stuff to the /dev/ttyS* devices? i have 6 com ports on my board, but can only access the 2 onboard, and i don't have setserial |
| 19:18.20 | mnemoc | gandhijee: get setserial ;-) |
| 19:18.35 | gandhijee | bah, ok |
| 19:19.03 | gandhijee | i guess if i wanted them to come up all the time without setserial, i would have to modify the kernel code that handles the serial ports |
| 19:19.03 | gandhijee | ? |
| 19:21.21 | mnemoc | i don't know if you do that using /etc/modprobe.conf |
| 19:21.45 | mnemoc | for me the right IRQ has always been detected |
| 19:24.33 | gandhijee | well it seems to detect the first 2 no problem |
| 19:24.38 | gandhijee | but doesn't seem to see the rest of it |
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| 20:32.33 | tripzero | anybody fluent with umon (micromonitor) ? |
| 20:33.00 | tripzero | as a bootloader for embedded linux? |
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