X-Git-Url: http://vcs.maemo.org/git/?a=blobdiff_plain;f=TODO;h=8cc9aa55f073887d80a110e87876b367a7d4e2da;hb=1c46d7139a4d2c4491ce2459f9a32c1be85e23d5;hp=fece491bcb6c922a173e65728d99ebad1f56d495;hpb=285dc330bd28aa0e097106875bb184e2707bbed5;p=qemu diff --git a/TODO b/TODO index fece491..8cc9aa5 100644 --- a/TODO +++ b/TODO @@ -1,29 +1,61 @@ +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 -- ppc qemu test -- optimize FPU operations (evaluate x87 stack pointer statically) and - fix cr0.TS emulation -- fix some 16 bit sp push/pop overflow -- sysenter/sysexit emulation -- finish segment ops (call far, ret far, load_seg suppressed) - fix CCOP optimisation - fix all remaining thread lock issues (must put TBs in a specific invalid state, find a solution for tb_flush()). -- cpu loop optimisation (optimise ret case as the cpu state does not change) - fix arm fpu rounding (at least for float->integer conversions) -lower priority: --------------- +ppc specific: +------------ +- TLB invalidate not needed if msr_pr changes +- SPR_ENCODE() not useful +- enable shift optimizations ? + +linux-user specific: +------------------- - add IPC syscalls -- SMP support -- use -msoft-float on ARM -- use kernel traps for unaligned accesses on ARM ? -- handle rare page fault cases (in particular if page fault in heplers or +- 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). -- add SSE2/MMX operations +- 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