thorpej
c4e7c88520
Step 1 of the Grand Alpha Pmap Rototill:
- Clean up pmap_bootstrap() some, and make a slight change to how the PROM mappings are saved. - Give each pmap its own level 1 page table, rather than sharing a global level 1 page table. This will eventually allow for Very Large user address spaces. - Keep a list of all pmaps, so that when kernel level 2 page tables are allocated, all level 1 tables may be updated. - Add a couple of functions for allocating and freeing page table pages. - Add a few comments about ASN allocation.
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