Change bootblocks to be able to read from ffs1, ffs2 and softraid.
ffs2 part from eeh at netbsd. ok deraadt@

Add softraid support to sparc64 first-level boot blocks.
Written with use of the forth by jedi jsing@
For now this only supports 'a' RAID partitions, no other partition letters.

First pass at removing clauses 3 and 4 from NetBSD licenses.

Not sure what's more surprising: how long it took for NetBSD to
catch up to the rest of the BSDs (including UCB), or the amount of
code t

First pass at removing clauses 3 and 4 from NetBSD licenses.

Not sure what's more surprising: how long it took for NetBSD to
catch up to the rest of the BSDs (including UCB), or the amount of
code that NetBSD has claimed for itself without attributing to the
actual authors.

OK deraadt@

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fix for dinode rename, this broke the forth bootblock.s ok jason@ tedu@

Remove the advertising clause in the UCB license which Berkeley
rescinded 22 July 1999. Proofed by myself and Theo.

Enough of NetBSD/sparc64 to get compilable/working bootblk... more to come.