forked from izaya/OC-PsychOS2
75 lines
2.5 KiB
Markdown
75 lines
2.5 KiB
Markdown
# Installing PsychOS
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## From OpenOS
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### Requirements
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In general:
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- oppm
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- mtar
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For installing to an unmanaged drive or tape
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- slicer
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- partman
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- rtfs
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- boopu
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### Preparing the target disk
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#### Managed filesystem
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Preparing a managed filesystem is extremely simple: attach it to your computer, and make sure there's nothing that you want to keep in the following locations on the filesystem:
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- init.lua
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- lib/
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- service/
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- doc/
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- pkg/
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- cfg/
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#### Unmanaged drive or tape
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##### Creating partitions
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First, you'll need to find out how many sectors your target device has. `slicer <addr> show` will show you something like this:
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```
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# slicer 9f7 show
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Drive 9f755736 - 1024KiB, 2048 sectors:
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# Name Type Start Len End
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```
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The usable space on the disk is going to be two sectors less than the total size - sectors 2 through 2047, in this case, as you will want to leave space for the OSDI partition table at the start, and the MTPT partition table at the end.
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First, we'll create the boot partition. 64KiB is the recommended size, though 48KiB may be enough. OC disks use 512 byte sectors, so that will work out to 128 sectors.
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```
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# slicer 9f7 add init.lua boot 2 128
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Drive 9f755736 - 1024KiB, 2048 sectors:
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# Name Type Start Len End
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1: 9f755736 mtpt 0 0 -1
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2: init.lua boot 2 128 129
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```
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Next, we need to create an rtfs partition, for the boot filesystem. This can use the rest of the space on the disk, but should be named `<first 8 characters of computer address>-boot`.
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```
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# slicer 9f7 add ffa5c282-boot rtfs 130 1918
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Drive 9f755736 - 1024KiB, 2048 sectors:
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# Name Type Start Len End
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1: 9f755736 mtpt 0 0 -1
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2: init.lua boot 2 128 129
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3: ffa5c282-boot rtfs 130 1918 2047
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```
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Once you're all done, you can restart partman and it should recognise the new partitions.
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```
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# rc partman restart
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# components part
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partition 9f755736-a739-4f45-8c5c-35a66a7f5dbe/2
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```
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##### Formatting the filesystem
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Next, we'll use the mkfs.rtfs utility to format the filesystem partition we just created. Do note that the order of components is not fixed, so using a shortened version can result in unreliable behavior, like, for example, formatting the boot partition.
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```
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# mkfs.rtfs 9f755736-a739-4f45-8c5c-35a66a7f5dbe/2 ffa5c282-boot
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9f755736-a739-4f45-8c5c-35a66a7f5dbe/2
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```
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To make OpenOS mount the filesystem, the simplest way is to restart partman again, as described in the previous section.
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