Changes to locore.S needing review

[Warner Losh]

I'd like to get a review on the locore.S part of the changes that I'm making to support booting from a Linux boot loader directly for the kernel.  My arm assembler knowledge is somewhat weak, so I hope I haven't botched anything.

The changes conditionally save r0, r1 and r2 away for the early boot, then put them in a structure to pass to board_init().  It also tries to clean up the register usage a bit so I can save away these values in registers and I don't have to worry about storing values.

Please let me know what you think.

Warner


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