--- qemu/TODO 2018/04/24 16:37:52 1.1 +++ qemu/TODO 2018/04/24 16:47:13 1.1.1.4 @@ -1,22 +1,22 @@ short term: ---------- +- cycle counter for all archs +- cpu_interrupt() win32/SMP fix +- support variable tsc freq +- USB host async +- IDE async - debug option in 'configure' script + disable -fomit-frame-pointer - Precise VGA timings for old games/demos (malc patch) - merge PIC spurious interrupt patch -- merge Solaris patch - warning for OS/2: must not use 128 MB memory (merge bochs cmos patch ?) - config file (at least for windows/Mac OS X) -- commit message if execution of code in IO memory - update doc: PCI infos. -- VNC patch + Synaptic patch. - basic VGA optimizations -- physical memory cache (reduce qemu-fast address space size to about 32 MB) - better code fetch (different exception handling + CS.limit support) - do not resize vga if invalid size. - avoid looping if only exceptions -- cycle counter for all archs - TLB code protection support for PPC -- see openMosix Doc +- see openMosix Doc - disable SMC handling for ARM/SPARC/PPC (not finished) - see undefined flags for BTx insn - user/kernel PUSHL/POPL in helper.c @@ -27,31 +27,29 @@ short term: - fix CCOP optimisation - fix all remaining thread lock issues (must put TBs in a specific invalid state, find a solution for tb_flush()). -- fix arm fpu rounding (at least for float->integer conversions) -- SMP support ppc specific: ------------ - TLB invalidate not needed if msr_pr changes -- SPR_ENCODE() not useful - enable shift optimizations ? -lower priority: --------------- -- more friendly BIOS (logo) -- int15 ah=86: use better timing -- suppress shift_mem ops -- fix some 16 bit sp push/pop overflow (pusha/popa, lcall lret) -- optimize FPU operations (evaluate x87 stack pointer statically) +linux-user specific: +------------------- - add IPC syscalls -- use -msoft-float on ARM -- use kernel traps for unaligned accesses on ARM ? - handle rare page fault cases (in particular if page fault in helpers or in syscall emulation code). -- fix thread stack freeing (use kernel 2.5.x CLONE_CHILD_CLEARTID) - more syscalls (in particular all 64 bit ones, IPCs, fix 64 bit issues, fix 16 bit uid issues) - use page_unprotect_range in every suitable syscall to handle all cases of self modifying code. -- use gcc as a backend to generate better code (easy to do by using - op-i386.c operations as local inline functions). +- fix thread stack freeing (use kernel 2.5.x CLONE_CHILD_CLEARTID) +- use kernel traps for unaligned accesses on ARM ? + + +lower priority: +-------------- +- int15 ah=86: use better timing +- suppress shift_mem ops +- fix some 16 bit sp push/pop overflow (pusha/popa, lcall lret) +- optimize FPU operations (evaluate x87 stack pointer statically) +- use -msoft-float on ARM