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[RISU PATCH v4 00/29] risu cleanups and improvements


From: Richard Henderson
Subject: [RISU PATCH v4 00/29] risu cleanups and improvements
Date: Fri, 8 Jul 2022 21:16:31 +0530

If you can imagine, v3 was back in 2020:
https://lore.kernel.org/qemu-devel/20200522023440.26261-1-richard.henderson@linaro.org/

I've refreshed that, not that risu has changed much in that time,
and then also added support for SME to aarch64, i.e. SVCR and ZA
storage are now present in the reginfo, and compared.

I include a small test case, which allows one to see that ZA
storage is being handled properly.  When run with

  ./risu --test-sve=1 --test-za=1 --master -t test_sme_aarch64.{out,bin}
  ./risu --fulldump -t test_sme_aarch64.out

one can see the 16x16 bytes filled with row major then
column major indexes.


r~


Richard Henderson (29):
  Use bool for tracing variables
  Unify master_fd and apprentice_fd to comm_fd
  Hoist trace file and socket opening
  Adjust tracefile open for write
  Use EXIT_FAILURE, EXIT_SUCCESS
  Make some risu.c symbols static
  Add enum RisuOp
  Add enum RisuResult
  Unify i/o functions and use RisuResult
  Pass non-OK result back through siglongjmp
  Always write for --master
  Simplify syncing with master
  Split RES_MISMATCH for registers and memory
  Merge reginfo.c into risu.c
  Rearrange reginfo and memblock buffers
  Split out recv_register_info
  Add magic and size to the trace header
  Compute reginfo_size based on the reginfo
  aarch64: Assume system support for SVE
  aarch64: Reorg sve reginfo to save space
  aarch64: Use arch_init to configure sve
  ppc64: Use uint64_t to represent double
  Standardize reginfo_dump_mismatch printing
  Add --fulldump and --diffdup options
  Remove return value from reginfo_dump
  ppc64: Clean up reginfo handling
  aarch64: Tidy reginfo dumping ahead of ZA state
  aarch64: Add support for ZA storage
  aarch64: Trivial SME test

 Makefile               |   2 +-
 risu.h                 | 103 +++----
 risu_reginfo_aarch64.h |  97 ++++--
 risu_reginfo_ppc64.h   |   3 +-
 comms.c                |  34 +--
 reginfo.c              | 183 -----------
 risu.c                 | 676 ++++++++++++++++++++++++++++++-----------
 risu_aarch64.c         |   6 +-
 risu_arm.c             |   6 +-
 risu_i386.c            |   4 +-
 risu_m68k.c            |   4 +-
 risu_ppc64.c           |   4 +-
 risu_reginfo_aarch64.c | 408 +++++++++++++++----------
 risu_reginfo_arm.c     |  32 +-
 risu_reginfo_i386.c    |  22 +-
 risu_reginfo_m68k.c    |  37 +--
 risu_reginfo_ppc64.c   | 183 +++++------
 test_sme_aarch64.s     |  55 ++++
 18 files changed, 1070 insertions(+), 789 deletions(-)
 delete mode 100644 reginfo.c
 create mode 100644 test_sme_aarch64.s

-- 
2.34.1




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