[PULL 00/30] s390x/tcg update

[David Hildenbrand]

Hi Peter,

here is the updated tcg subset of the s390x update (including one more
test).

The following changes since commit 4300b7c2cd9f3f273804e8cca325842ccb93b1ad:

  Merge remote-tracking branch 'remotes/cleber/tags/python-next-pull-request' 
into staging (2019-09-20 17:28:43 +0100)

are available in the Git repository at:

  https://github.com/davidhildenbrand/qemu.git tags/s390x-tcg-2019-09-23

for you to fetch changes up to 5d69cbdfdd5cd6dadc9f0c986899844a0e4de703:

  tests/tcg: target/s390x: Test MVC (2019-09-23 09:28:29 +0200)

----------------------------------------------------------------
Fix a bunch of BUGs in the mem-helpers (including the MVC instruction),
especially, to make them behave correctly on faults.

----------------------------------------------------------------
David Hildenbrand (30):
  s390x/tcg: Reset exception_index to -1 instead of 0
  s390x/tcg: MVCL: Zero out unused bits of address
  s390x/tcg: MVCL: Detect destructive overlaps
  s390x/tcg: MVCL: Process max 4k bytes at a time
  s390x/tcg: MVC: Increment the length once
  s390x/tcg: MVC: Use is_destructive_overlap()
  s390x/tcg: MVPG: Check for specification exceptions
  s390x/tcg: MVPG: Properly wrap the addresses
  s390x/tcg: MVCLU/MVCLE: Process max 4k bytes at a time
  s390x/tcg: MVCS/MVCP: Check for special operation exceptions
  s390x/tcg: MVCOS: Lengths are 32 bit in 24/31-bit mode
  s390x/tcg: MVCS/MVCP: Properly wrap the length
  s390x/tcg: MVST: Check for specification exceptions
  s390x/tcg: MVST: Fix storing back the addresses to registers
  s390x/tcg: Always use MMU_USER_IDX for CONFIG_USER_ONLY
  s390x/tcg: Fault-safe memset
  s390x/tcg: Fault-safe memmove
  s390x/tcg: MVCS/MVCP: Use access_memmove()
  s390x/tcg: MVC: Fault-safe handling on destructive overlaps
  s390x/tcg: MVCLU: Fault-safe handling
  s390x/tcg: OC: Fault-safe handling
  s390x/tcg: XC: Fault-safe handling
  s390x/tcg: NC: Fault-safe handling
  s390x/tcg: MVCIN: Fault-safe handling
  s390x/tcg: MVN: Fault-safe handling
  s390x/tcg: MVZ: Fault-safe handling
  s390x/tcg: MVST: Fault-safe handling
  s390x/tcg: MVO: Fault-safe handling
  tests/tcg: target/s390x: Test MVO
  tests/tcg: target/s390x: Test MVC

 target/s390x/cpu.h              |   4 +
 target/s390x/helper.h           |   2 +-
 target/s390x/insn-data.def      |   2 +-
 target/s390x/mem_helper.c       | 749 ++++++++++++++++++++++----------
 target/s390x/translate.c        |  12 +-
 tests/tcg/s390x/Makefile.target |   2 +
 tests/tcg/s390x/mvc.c           | 109 +++++
 tests/tcg/s390x/mvo.c           |  25 ++
 8 files changed, 680 insertions(+), 225 deletions(-)
 create mode 100644 tests/tcg/s390x/mvc.c
 create mode 100644 tests/tcg/s390x/mvo.c

-- 
2.21.0