X-Git-Url: http://vcs.maemo.org/git/?a=blobdiff_plain;f=TODO;h=8cc9aa55f073887d80a110e87876b367a7d4e2da;hb=0aff66b5c8bbe89cb61df75e0511af2c1802a593;hp=64384834a19da65d0188c34d79d9a3a5094c8ceb;hpb=66fb9763af9cd743158957e8c9c2559d922b1c22;p=qemu diff --git a/TODO b/TODO index 6438483..8cc9aa5 100644 --- a/TODO +++ b/TODO @@ -1,11 +1,61 @@ -- asynchronous signal interrupt / clear synchronous signal handling -- add eflags restore in emulator -- finish signal handing (fp87 state) -- verify thread support (clone() and various locks) -- optimize translated cache chaining (DLL PLT-like system) -- vm86 syscall support -- overrides/16bit for string ops -- more syscalls (in particular all 64 bit ones) -- make it self runnable (use same trick as ld.so : include its own relocator and libc) -- improved 16 bit support -- fix FPU exceptions (in particular: gen_op_fpush not before mem load) +short term: +---------- +- support variable tsc freq +- cpu_interrupt() win32/SMP fix +- 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 +- disable SMC handling for ARM/SPARC/PPC (not finished) +- see undefined flags for BTx insn +- user/kernel PUSHL/POPL in helper.c +- keyboard output buffer filling timing emulation +- return UD exception if LOCK prefix incorrectly used +- test ldt limit < 7 ? +- tests for each target CPU +- 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) + +ppc specific: +------------ +- TLB invalidate not needed if msr_pr changes +- SPR_ENCODE() not useful +- enable shift optimizations ? + +linux-user specific: +------------------- +- add IPC syscalls +- handle rare page fault cases (in particular if page fault in helpers or + in syscall emulation code). +- 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. +- 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