Re: [Qemu-devel] [RFC PATCH v2 0/6] translate: [tcg] Generic translation framework

[Lluís Vilanova]

Lluís Vilanova writes:

> This series proposes a generic (target-agnostic) instruction translation
> framework.

> It basically provides a generic main loop for instruction disassembly, which
> calls target-specific functions when necessary. This generalization makes
> inserting new code in the main loop easier, and helps in keeping all targets 
> in
> synch as to the contents of it.

> I've only ported i386 as an example to get some feedback, but I'm planning on
> porting ARM next to see how well it fits into the current organization.

> Signed-off-by: Lluís Vilanova <address@hidden>
> ---

> Changes in v2
> =============

> * Port ARM and AARCH64 targets.
> * Fold single-stepping checks into "max_insns" [Richard Henderson].
> * Move instruction start marks to target code [Richard Henderson].
> * Add target hook for TB start.
> * Check for TCG temporary leaks.
> * Move instruction disassembly into a target hook.
> * Make breakpoint_hit() return an enum to accomodate target's needs (ARM).
[...]

I'm not sure if I CC'd the appropriate people, but I'd like to know if this
seems like the proper approach to generalizing the main disassembly loop.

Every time someone updates a target it becomes a little cumbersome to keep this
type of patches in synch (for now, only in i386 and arm).


Thanks,
  Lluis