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Annotation of qemu/TODO, revision 1.1.1.2

1.1       root        1: short term:
                      2: ----------
1.1.1.2 ! root        3: - support variable tsc freq
        !             4: - cpu_interrupt() win32/SMP fix
        !             5: - USB host async
        !             6: - IDE async
1.1       root        7: - debug option in 'configure' script + disable -fomit-frame-pointer
                      8: - Precise VGA timings for old games/demos (malc patch)
                      9: - merge PIC spurious interrupt patch
                     10: - merge Solaris patch
                     11: - warning for OS/2: must not use 128 MB memory (merge bochs cmos patch ?)
                     12: - config file (at least for windows/Mac OS X)
                     13: - commit message if execution of code in IO memory
                     14: - update doc: PCI infos.
                     15: - VNC patch + Synaptic patch.
                     16: - basic VGA optimizations
                     17: - physical memory cache (reduce qemu-fast address space size to about 32 MB)
                     18: - better code fetch (different exception handling + CS.limit support)
                     19: - do not resize vga if invalid size.
                     20: - avoid looping if only exceptions
                     21: - cycle counter for all archs
                     22: - TLB code protection support for PPC
                     23: - see openMosix Doc 
                     24: - disable SMC handling for ARM/SPARC/PPC (not finished)
                     25: - see undefined flags for BTx insn
                     26: - user/kernel PUSHL/POPL in helper.c
                     27: - keyboard output buffer filling timing emulation
                     28: - return UD exception if LOCK prefix incorrectly used
                     29: - test ldt limit < 7 ?
                     30: - tests for each target CPU
                     31: - fix CCOP optimisation
                     32: - fix all remaining thread lock issues (must put TBs in a specific invalid
                     33:   state, find a solution for tb_flush()).
                     34: - fix arm fpu rounding (at least for float->integer conversions)
                     35: 
                     36: ppc specific:
                     37: ------------
                     38: - TLB invalidate not needed if msr_pr changes
                     39: - SPR_ENCODE() not useful
                     40: - enable shift optimizations ?
                     41: 
1.1.1.2 ! root       42: linux-user specific:
        !            43: -------------------
1.1       root       44: - add IPC syscalls
                     45: - handle rare page fault cases (in particular if page fault in helpers or
                     46:   in syscall emulation code).
                     47: - more syscalls (in particular all 64 bit ones, IPCs, fix 64 bit
                     48:   issues, fix 16 bit uid issues)
                     49: - use page_unprotect_range in every suitable syscall to handle all
                     50:   cases of self modifying code.
1.1.1.2 ! root       51: - fix thread stack freeing (use kernel 2.5.x CLONE_CHILD_CLEARTID)
        !            52: - use kernel traps for unaligned accesses on ARM ?
        !            53: 
        !            54: 
        !            55: lower priority:
        !            56: --------------
        !            57: - int15 ah=86: use better timing
        !            58: - suppress shift_mem ops
        !            59: - fix some 16 bit sp push/pop overflow (pusha/popa, lcall lret)
        !            60: - optimize FPU operations (evaluate x87 stack pointer statically)
        !            61: - use -msoft-float on ARM

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