target-sparc/TODO

   1 TODO-list:
   2
   3 CPU common:
   4 - Unimplemented features/bugs:
   5  - Delay slot handling may fail sometimes (branch end of page, delay
   6  slot next page)
   7  - Atomical instructions
   8  - CPU features should match real CPUs (also ASI selection)
   9 - Optimizations/improvements:
  10  - Condition code/branch handling like x86, also for FPU?
  11  - Remove remaining explicit alignment checks
  12  - Global register for regwptr, so that windowed registers can be
  13  accessed directly
  14  - Improve Sparc32plus addressing
  15  - NPC/PC static optimisations (use JUMP_TB when possible)? (Is this
  16  obsolete?)
  17  - Synthetic instructions
  18  - MMU model dependent on CPU model
  19  - Select ASI helper at translation time (on V9 only if known)
  20  - KQemu/KVM support for VM only
  21  - Hardware breakpoint/watchpoint support
  22  - Cache emulation mode
  23  - Reverse-endian pages
  24  - Faster FPU emulation
  25  - Busy loop detection
  26
  27 Sparc32 CPUs:
  28 - Unimplemented features/bugs:
  29  - Sun4/Sun4c MMUs
  30  - Some V8 ASIs
  31
  32 Sparc64 CPUs:
  33 - Unimplemented features/bugs:
  34  - Interrupt handling
  35  - Secondary address space, other MMU functions
  36  - Many V9/UA2005/UA2007 ASIs
  37  - Rest of V9 instructions, missing VIS instructions
  38  - IG/MG/AG vs. UA2007 globals
  39  - Full hypervisor support
  40  - SMP/CMT
  41  - Sun4v CPUs
  42
  43 Sun4:
  44 - To be added
  45
  46 Sun4c:
  47 - A lot of unimplemented features
  48 - Maybe split from Sun4m
  49
  50 Sun4m:
  51 - Unimplemented features/bugs:
  52  - Hardware devices do not match real boards
  53  - Floppy does not work
  54  - CS4231: merge with cs4231a, add DMA
  55  - Add cg6, bwtwo
  56  - Arbitrary resolution support
  57  - PCI for MicroSparc-IIe
  58  - JavaStation machines
  59  - SBus slot probing, FCode ROM support
  60  - SMP probing support
  61  - Interrupt routing does not match real HW
  62  - SuSE 7.3 keyboard sometimes unresponsive
  63  - Gentoo 2004.1 SMP does not work
  64  - SS600MP ledma -> lebuffer
  65  - Type 5 keyboard
  66  - Less fixed hardware choices
  67  - DBRI audio (Am7930)
  68  - BPP parallel
  69  - Diagnostic switch
  70  - ESP PIO mode
  71
  72 Sun4d:
  73 - A lot of unimplemented features:
  74  - SBI
  75  - IO-unit
  76 - Maybe split from Sun4m
  77
  78 Sun4u:
  79 - Unimplemented features/bugs:
  80  - Interrupt controller
  81  - PCI/IOMMU support (Simba, JIO, Tomatillo, Psycho, Schizo, Safari...)
  82  - SMP
  83  - Happy Meal Ethernet, flash, I2C, GPIO
  84  - A lot of real machine types
  85
  86 Sun4v:
  87 - A lot of unimplemented features
  88  - A lot of real machine types