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https://opencores.org/ocsvn/or1k_old/or1k_old/trunk
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jcastillo |
This directory will contain the code necessary to compile and link the
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/boot program which is necessary to boot on the Sparc. This program
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is real ugly and it knows too much. It must be able to not only boot
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off of the root partition but also be able to netboot. This means
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that it knows about RPC and NFS (bleech, yuck, eeewwwww!!) so that it
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can remote mount the root directory to fetch the kernel. Also it must
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be able to ARP for its IP address and who its boot server is. I
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think I'm getting sick.
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Regardless for now I will concentrate on the low-level stuff necessary
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to get the thing going. This means the low-level entry code, etc.
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The prom knows how to get "us" if we have the proper boot blocks,
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actually the boot blocks live in our logical partition on a hard drive
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whereas over NFS this isn't applicable. We have the boot blocks in
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our data area either way because we can be dual purpose.
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More will come....
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Hopefully I can write this such that it will work on almost all SUN
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machines in existence. We'll see ;(
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