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Re: [Qemu-devel] [PATCH v3 00/24] target-sparc improvements
From: |
Artyom Tarasenko |
Subject: |
Re: [Qemu-devel] [PATCH v3 00/24] target-sparc improvements |
Date: |
Thu, 2 Jun 2016 14:17:25 +0200 |
On Thu, Jun 2, 2016 at 7:56 AM, Richard Henderson <address@hidden> wrote:
> The primary focus of this patch set is to reduce the number of
> helpers that modify TCG globals, and thus increase the lifetime
> of those globals within each TB, and thus decrease the number
> of times that tcg must spill and fill them from backing store.
>
> As a byproduct, I also implement the bulk of the interesting v9 ASIs
> inline, thus exposing e.g. the little-endian loads and stores as
> simple tcg operations.
>
> The patch set is relative to my outstanding tcg pull request.
> For reference, the complete tree can be found at
>
> git://github.com/rth7680/qemu.git tgt-sparc-2
>
> Changes from v2 to v3:
> * Add ASI_BLK_COMMIT_[PS] to patch 19.
> This fixes the illegal instruction that Artyom reported.
> * Add gen_address_mask calls to all direct accesses.
> This fixes a follow-on segv that affected the debian install.
>
> Changes from v1 to v2:
> * Commit message refers to UA2005 instead of UA2011 when
> introducing new asi.h defines. (Artyom)
Looks like this change is lost in v3.
But it is cosmetic and won't stop me from running the tests.
Thanks for the update,
Artyom
> * Drop the MMU_REAL_IDX, and inline handling of ASI_REAL_*.
> This appears to be the source of the regression that Artyom
> identified wrt ss5 emulation.
>
>
> r~
>
>
>
> Richard Henderson (24):
> target-sparc: Mark more flags for helpers
> target-sparc: Remove softint as a TCG global
> target-sparc: Store mmu index in TB flags
> target-sparc: Create gen_exception
> target-sparc: Unify asi handling between 32 and 64-bit
> target-sparc: Store %asi in TB flags
> target-sparc: Introduce get_asi
> target-sparc: Pass TCGMemOp to gen_ld/st_asi
> target-sparc: Import linux/arch/sparc/include/uapi/asm/asi.h
> target-sparc: Add UA2011 defines to asi.h
> target-sparc: Use defines from asi.h
> target-sparc: Directly implement easy ld/st asis
> target-sparc: Use QT0 to return results from ldda
> target-sparc: Introduce gen_check_align
> target-sparc: Directly implement easy ldd/std asis
> target-sparc: Fix obvious error in ASI_M_BFILL
> target-sparc: Pass TCGMemOp constants to helper_ld/st_asi
> target-sparc: Directly implement easy ldf/stf asis
> target-sparc: Directly implement block and short ldf/stf asis
> target-sparc: Remove helper_ldf_asi, helper_stf_asi
> target-sparc: Use explicit writes to cpu_fsr
> target-sparc: Use cpu_fsr in stfsr
> target-sparc: Use cpu_loop_exit_restore from
> helper_check_ieee_exceptions
> target-sparc: Elide duplicate updates to fprs
>
> target-sparc/asi.h | 311 +++++++++++
> target-sparc/cpu.h | 28 +-
> target-sparc/fop_helper.c | 230 +++-----
> target-sparc/helper.h | 168 +++---
> target-sparc/ldst_helper.c | 696 +++++++++++-------------
> target-sparc/translate.c | 1273
> ++++++++++++++++++++++++++++----------------
> 6 files changed, 1607 insertions(+), 1099 deletions(-)
> create mode 100644 target-sparc/asi.h
>
> --
> 2.5.5
>
--
Regards,
Artyom Tarasenko
SPARC and PPC PReP under qemu blog: http://tyom.blogspot.com/search/label/qemu
- [Qemu-devel] [PATCH v3 18/24] target-sparc: Directly implement easy ldf/stf asis, (continued)
- [Qemu-devel] [PATCH v3 18/24] target-sparc: Directly implement easy ldf/stf asis, Richard Henderson, 2016/06/02
- [Qemu-devel] [PATCH v3 11/24] target-sparc: Use defines from asi.h, Richard Henderson, 2016/06/02
- [Qemu-devel] [PATCH v3 12/24] target-sparc: Directly implement easy ld/st asis, Richard Henderson, 2016/06/02
- [Qemu-devel] [PATCH v3 16/24] target-sparc: Fix obvious error in ASI_M_BFILL, Richard Henderson, 2016/06/02
- [Qemu-devel] [PATCH v3 23/24] target-sparc: Use cpu_loop_exit_restore from helper_check_ieee_exceptions, Richard Henderson, 2016/06/02
- [Qemu-devel] [PATCH v3 22/24] target-sparc: Use cpu_fsr in stfsr, Richard Henderson, 2016/06/02
- [Qemu-devel] [PATCH v3 15/24] target-sparc: Directly implement easy ldd/std asis, Richard Henderson, 2016/06/02
- [Qemu-devel] [PATCH v3 20/24] target-sparc: Remove helper_ldf_asi, helper_stf_asi, Richard Henderson, 2016/06/02
- [Qemu-devel] [PATCH v3 24/24] target-sparc: Elide duplicate updates to fprs, Richard Henderson, 2016/06/02
- [Qemu-devel] [PATCH v3 21/24] target-sparc: Use explicit writes to cpu_fsr, Richard Henderson, 2016/06/02
- Re: [Qemu-devel] [PATCH v3 00/24] target-sparc improvements,
Artyom Tarasenko <=