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Annotation of qemu/TODO, revision 1.1

1.1     ! root        1: short term:
        !             2: ----------
        !             3: - debug option in 'configure' script + disable -fomit-frame-pointer
        !             4: - Precise VGA timings for old games/demos (malc patch)
        !             5: - merge PIC spurious interrupt patch
        !             6: - merge Solaris patch
        !             7: - warning for OS/2: must not use 128 MB memory (merge bochs cmos patch ?)
        !             8: - config file (at least for windows/Mac OS X)
        !             9: - commit message if execution of code in IO memory
        !            10: - update doc: PCI infos.
        !            11: - VNC patch + Synaptic patch.
        !            12: - basic VGA optimizations
        !            13: - physical memory cache (reduce qemu-fast address space size to about 32 MB)
        !            14: - better code fetch (different exception handling + CS.limit support)
        !            15: - do not resize vga if invalid size.
        !            16: - avoid looping if only exceptions
        !            17: - cycle counter for all archs
        !            18: - TLB code protection support for PPC
        !            19: - see openMosix Doc 
        !            20: - disable SMC handling for ARM/SPARC/PPC (not finished)
        !            21: - see undefined flags for BTx insn
        !            22: - user/kernel PUSHL/POPL in helper.c
        !            23: - keyboard output buffer filling timing emulation
        !            24: - return UD exception if LOCK prefix incorrectly used
        !            25: - test ldt limit < 7 ?
        !            26: - tests for each target CPU
        !            27: - fix CCOP optimisation
        !            28: - fix all remaining thread lock issues (must put TBs in a specific invalid
        !            29:   state, find a solution for tb_flush()).
        !            30: - fix arm fpu rounding (at least for float->integer conversions)
        !            31: - SMP support
        !            32: 
        !            33: ppc specific:
        !            34: ------------
        !            35: - TLB invalidate not needed if msr_pr changes
        !            36: - SPR_ENCODE() not useful
        !            37: - enable shift optimizations ?
        !            38: 
        !            39: lower priority:
        !            40: --------------
        !            41: - more friendly BIOS (logo)
        !            42: - int15 ah=86: use better timing
        !            43: - suppress shift_mem ops
        !            44: - fix some 16 bit sp push/pop overflow (pusha/popa, lcall lret)
        !            45: - optimize FPU operations (evaluate x87 stack pointer statically)
        !            46: - add IPC syscalls
        !            47: - use -msoft-float on ARM
        !            48: - use kernel traps for unaligned accesses on ARM ?
        !            49: - handle rare page fault cases (in particular if page fault in helpers or
        !            50:   in syscall emulation code).
        !            51: - fix thread stack freeing (use kernel 2.5.x CLONE_CHILD_CLEARTID)
        !            52: - more syscalls (in particular all 64 bit ones, IPCs, fix 64 bit
        !            53:   issues, fix 16 bit uid issues)
        !            54: - use page_unprotect_range in every suitable syscall to handle all
        !            55:   cases of self modifying code.
        !            56: - use gcc as a backend to generate better code (easy to do by using
        !            57:   op-i386.c operations as local inline functions).

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