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TODO revision 1.29
      1  /* $NetBSD: TODO,v 1.29 2019/02/08 19:55:40 palle Exp $ */
      2 
      3 Things to be done:
      4 
      5 common:
      6 - make %g6 point to curcpu
      7 - make %g7 point to curlwp
      8 - change run-time checks for cpu type to function pointers
      9 
     10 sun4u:
     11 - GENERIC.UP kernel hangs on v445 (missing interrupt?)
     12 
     13 sun4v:
     14  - current status: The kernel boots and starts the init process. 
     15    The following processes seem to crash on and on so more debugging to be done...
     16 
     17 - 64-bit kernel support
     18 - 32-bit kernel support
     19 - libkvm
     20 - ofwboot: tlb_init_sun4v() hardcodes number of slots to 64
     21 - locore.s: sun4v_datatrap missing implementation for trap level 1
     22 - check build without SUN4V defined
     23 - replace relevant references to %ver with GET_MAXCWP
     24 - pmap_mp_init(): sun4v missing handling
     25 - replace constructs like "wrpr %g0, PSTATE_KERN, %pstate" with NORMAL_GLOBALS
     26 - replace constructs line "wrpr %g0, PSTATE_INTR, %pstate" with ALTERNATE_GOBALS
     27 - sun4v tsb no need to lock... per cpu... anyway...
     28 - ci_tsb_desc->td_ctxidx: -1 or 1?
     29 - MP support - currently bypassed in pmap_bootstrap() for sun4v
     30 - vpci.c/vpcivar.h: cleanup FIXMEs
     31 - interrups not handled properly (com at ebus only...)
     32 - mpt(4) complains: mpt0: Phy 0: Link Status Unknown
     33 - man pages for drivers imported from OpenBSD lke vpci, vbus, cbus, vdsk, ldc etc.
     34 - vdsk and ldc drivers: code maked with OPENBSD_BUSDMA - make the bus_dma stuff work properly
     35 - vbus.c: handle prom_getprop() memory leaks
     36 - locore.s: rft_user (sun4v specific manaul fill) - seems to work, but is it good enough (compared to openbsds rft_user?
     37  - platforms tested so far:
     38  -- qemu sun4v/niagara - crash in init process relaed to fork (stack?)
     39  -- T2000 - mmu fault somewhere
     40  -- T5 - stickcmpr is not properly initialized ???
     41