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TODO
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1996-06-22
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+ Clean up NE autoprobe code.
+ Timeout to etherboot or normal boot if ASKBOOT defined.
+ Clean up xstart code in start2.S.
+ Don't know if the ROM startup in start2.S really works. Why does it
hook into locations 0x64 and 0x66?
+ When INT19H is not selected in netboot-32, the return from main goes
to never-never land. Probably a stack problem. To investigate.
+ Is back to back PIO a good idea? Maybe should use versions with delay?
+ Netboot-32 binaries are close to 16kbyte boundary. Work to reduce size
of binaries; speed not so important.
+ Can we ifdef out the freebsd boot code and fit in 8k? Complex startup
code really belongs in the secondary bootstrap, the approach taken by
tagged images.
+ Maybe compress the binary image to fit in smaller PROMS, and/or fit
more code in? Anybody know a good small uncompressor? Emphasis on
small, then compression ratio, and speed last, because it has to fit
into EPROM and not negate the gains of compression.
+ An interesting idea from a commercial boot ROM product: Create a
ramdisk called A: and fill it with whatever OS boot you want, then jump
to the boot sector code. This could be done with the tagged file format;
just load a ramdisk making routine in front of the ramdisk image.
Anybody game?