[PATCH v1 00/19] target/arm: Implement FEAT_LSE2

[Richard Henderson]

Based-on: 20230216025739.1211680-1-richard.henderson@linaro.org
("[PATCH v2 00/30] tcg: Improve atomicity support")

Testing has not been extensive, but it does boot and run stuff.
Suggestions for actually testing atomicity solicited.
I would imagine it would have to involve -semihosting...


r~


Richard Henderson (19):
  target/arm: Make cpu_exclusive_high hold the high bits
  target/arm: Use tcg_gen_qemu_ld_i128 for LDXP
  target/arm: Use tcg_gen_qemu_{st,ld}_i128 for do_fp_{st,ld}
  target/arm: Use tcg_gen_qemu_st_i128 for STZG, STZ2G
  target/arm: Use tcg_gen_qemu_{ld,st}_i128 in gen_sve_{ld,st}r
  target/arm: Sink gen_mte_check1 into load/store_exclusive
  target/arm: Add feature test for FEAT_LSE2
  target/arm: Add atom_data to DisasContext
  target/arm: Load/store integer pair with one tcg operation
  target/arm: Hoist finalize_memop out of do_gpr_{ld,st}
  target/arm: Hoist finalize_memop out of do_fp_{ld,st}
  target/arm: Pass memop to gen_mte_check1*
  target/arm: Pass single_memop to gen_mte_checkN
  target/arm: Check alignment in helper_mte_check
  target/arm: Add SCTLR.nAA to TBFLAG_A64
  target/arm: Relax ordered/atomic alignment checks for LSE2
  target/arm: Move mte check for store-exclusive
  test/tcg/multiarch: Adjust sigbus.c
  target/arm: Enable FEAT_LSE2 for -cpu max

 docs/system/arm/emulation.rst |   1 +
 target/arm/cpu.h              |   8 +-
 target/arm/helper-a64.h       |   3 +
 target/arm/internals.h        |   3 +-
 target/arm/translate-a64.h    |   4 +-
 target/arm/translate.h        |  16 +-
 target/arm/cpu64.c            |   1 +
 target/arm/helper-a64.c       |   7 +
 target/arm/helper.c           |   6 +
 target/arm/mte_helper.c       |  18 ++
 target/arm/translate-a64.c    | 521 ++++++++++++++++++++++------------
 target/arm/translate-sve.c    | 118 ++++++--
 target/arm/translate.c        |   1 +
 tests/tcg/aarch64/mte-7.c     |   3 +-
 tests/tcg/multiarch/sigbus.c  |  13 +-
 15 files changed, 498 insertions(+), 225 deletions(-)

-- 
2.34.1