Re: [Qemu-devel] [PATCH v2 00/15] target-sparc improvements

[Mark Cave-Ayland]

On 19/10/16 03:34, Richard Henderson wrote:

> The two main goals in this patch set are:
> 
>  * Make use of the new MO_ALIGN_* flags, to allow less use of
>    check_align, and support partially misaligned fp memory ops.
> 
>  * More cleanups for ASIs, in the end using the new atomic ops.
> 
> The final two patches require the "cmpxchg atomic" v6 patch set.
> Otherwise this patch set should apply to master.  The full tree
> is at
> 
>   git://github.com/rth7680/qemu.git tgt-sparc-6
> 
> Changes since v1:
> 
>   * The "Remove asi helper code handled inline" patch retains the
>     code within ldda to handle asis that must be handled out of line.
> 
>     This fixes the FreeBSD 10.3 boot problem.  While the UA2007 spec
>     (and thus sun4v?) doesn't allow for such, it would seem that US2
>     hardware does.
> 
>   * Dropped the "Optimize writeback of cpu_cond" patch.
> 
>     This fixes the debian 7.8 install.  Not sure exactly what's wrong
>     with it yet, but let's just drop it for now.
> 
> 
> r~
> 
> 
> Richard Henderson (15):
>   target-sparc: Use overalignment flags for twinx and block asis
>   target-sparc: Introduce cpu_raise_exception_ra
>   target-sparc: Add MMU_PHYS_IDX
>   target-sparc: Use MMU_PHYS_IDX for bypass asis
>   target-sparc: Handle more twinx asis
>   target-sparc: Implement swap_asi inline
>   target-sparc: Implement ldstub_asi inline
>   target-sparc: Implement cas_asi/casx_asi inline
>   target-sparc: Implement BCOPY/BFILL inline
>   target-sparc: Remove asi helper code handled inline
>   target-sparc: Implement ldqf and stqf inline
>   target-sparc: Allow 4-byte alignment on fp mem ops
>   target-sparc: Remove MMU_MODE*_SUFFIX
>   target-sparc: Use tcg_gen_atomic_xchg_tl
>   target-sparc: Use tcg_gen_atomic_cmpxchg_tl
> 
>  target-sparc/cpu.h         |  34 +-
>  target-sparc/helper.c      |  52 ++-
>  target-sparc/helper.h      |   7 -
>  target-sparc/ldst_helper.c | 998 
> ++++++++-------------------------------------
>  target-sparc/mmu_helper.c  |  47 ++-
>  target-sparc/translate.c   | 434 +++++++++++++-------
>  target-sparc/win_helper.c  |  37 +-
>  7 files changed, 531 insertions(+), 1078 deletions(-)

Hi Richard,

Great work - this version now passes all my local SPARC32/SPARC64 boot
tests.

Tested-by: Mark Cave-Ayland <address@hidden>


ATB,

Mark.