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Thomas Huth e7dc804ef0 gitlab-ci.yml: Install libattr-devel and libcap-devel to test virtio-9p 
So far the gitlab-ci was not testing virtio-9p yet, since we did not
install libattr-devel and libcap-devel in any of the pipelines. Do
it now to get some more test coverage.

Message-Id: <20190905111729.1197-1-thuth@redhat.com>
Acked-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
 2019-09-05 16:00:01 +02:00
Daniel P. Berrangé 9f8efa74d3 docs: split the CODING_STYLE doc into distinct groups 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
 2019-09-05 14:41:00 +01:00
Daniel P. Berrangé 821f296756 docs: document use of automatic cleanup functions in glib 
Document the use of g_autofree and g_autoptr in glib for automatic
freeing of memory.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
 2019-09-05 14:27:06 +01:00
Daniel P. Berrangé 637f39568f docs: merge HACKING.rst contents into CODING_STYLE.rst 
The split of information between the two docs is rather arbitary and
unclear. It is simpler for contributors if all the information is in
one file.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
 2019-09-05 14:27:06 +01:00
Daniel P. Berrangé 336a7451e8 docs: convert README, CODING_STYLE and HACKING to RST syntax 
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
 2019-09-05 14:27:06 +01:00
Richard Henderson eac2f39602 target/arm: Inline gen_bx_im into callers 
There are only two remaining uses of gen_bx_im.  In each case, we
know the destination mode -- not changing in the case of gen_jmp
or changing in the case of trans_BLX_i.  Use this to simplify the
surrounding code.

For trans_BLX_i, use gen_jmp for the actual branch.  For gen_jmp,
use gen_set_pc_im to set up the single-step.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-70-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:04 +01:00
Richard Henderson 0831403b08 target/arm: Clean up disas_thumb_insn 
Now that everything is converted, remove the rest of
the legacy decode.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-69-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:04 +01:00
Richard Henderson 67b54c554b target/arm: Convert T16, long branches 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-68-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:04 +01:00
Richard Henderson 8d4a4dc849 target/arm: Convert T16, Unconditional branch 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-67-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:04 +01:00
Richard Henderson 46beb58efb target/arm: Convert T16, load (literal) 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-66-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:04 +01:00
Richard Henderson 151c2f2841 target/arm: Convert T16, shift immediate 
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-65-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:04 +01:00
Richard Henderson 43f7e42c7d target/arm: Convert T16, Miscellaneous 16-bit instructions 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-64-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:04 +01:00
Richard Henderson 629fcaa71c target/arm: Convert T16, Conditional branches, Supervisor call 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-63-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:04 +01:00
Richard Henderson 564b125fb9 target/arm: Convert T16, push and pop 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-62-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:04 +01:00
Richard Henderson 279de61a21 target/arm: Split gen_nop_hint 
Now that all callers pass a constant value, split the switch
statement into the individual trans_* functions.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20190904193059.26202-61-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:04 +01:00
Richard Henderson 56e6250ede target/arm: Convert T16, nop hints 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20190904193059.26202-60-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:04 +01:00
Richard Henderson ae3002b021 target/arm: Convert T16, Reverse bytes 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-59-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:04 +01:00
Richard Henderson 20556e7bd6 target/arm: Convert T16, Change processor state 
Add a check for ARMv6 in trans_CPS.  We had this correct in
the T16 path, but had previously forgotten the check on the
A32 and T32 paths.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-58-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:04 +01:00
Richard Henderson e6f69612cc target/arm: Convert T16, extract 
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-57-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:04 +01:00
Richard Henderson 2e6a646d7b target/arm: Convert T16 adjust sp (immediate) 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-56-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:04 +01:00
Richard Henderson 90aa042115 target/arm: Convert T16 add, compare, move (two high registers) 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-55-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:04 +01:00
Richard Henderson a0ef077404 target/arm: Convert T16 branch and exchange 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-54-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:04 +01:00
Richard Henderson 6c6d237a86 target/arm: Convert T16 one low register and immediate 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-53-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:04 +01:00
Richard Henderson c4d3095bb6 target/arm: Convert T16 add/sub (3 low, 2 low and imm) 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-52-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:04 +01:00
Richard Henderson 6e8514ba40 target/arm: Convert T16 load/store multiple 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-51-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:03 +01:00
Richard Henderson 1cb1323433 target/arm: Convert T16 add pc/sp (immediate) 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-50-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:03 +01:00
Richard Henderson 07afd747f9 target/arm: Convert T16 load/store (immediate offset) 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-49-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:03 +01:00
Richard Henderson d1d229179c target/arm: Convert T16 load/store (register offset) 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-48-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:03 +01:00
Richard Henderson 080c4eadcb target/arm: Convert T16 data-processing (two low regs) 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-47-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:03 +01:00
Richard Henderson f97b454e9e target/arm: Add skeleton for T16 decodetree 
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-46-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:03 +01:00
Richard Henderson 590057d969 target/arm: Simplify disas_arm_insn 
Fold away all of the cases that now just goto illegal_op,
because all of their internal bits are now in decodetree.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-45-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:03 +01:00
Richard Henderson f843e77144 target/arm: Simplify disas_thumb2_insn 
Fold away all of the cases that now just goto illegal_op,
because all of their internal bits are now in decodetree.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-44-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:03 +01:00
Richard Henderson d449f174e8 target/arm: Convert TT 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-43-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:03 +01:00
Richard Henderson 35d240acf1 target/arm: Convert SG 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-42-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:03 +01:00
Richard Henderson 808092bbe3 target/arm: Convert Table Branch 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-41-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:03 +01:00
Richard Henderson 610f4e1764 target/arm: Convert Unallocated memory hint 
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-40-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:03 +01:00
Richard Henderson beb595f657 target/arm: Convert PLI, PLD, PLDW 
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-39-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:03 +01:00
Richard Henderson 48c04a5dfa target/arm: Convert SETEND 
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-38-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:03 +01:00
Richard Henderson 52f83b9c68 target/arm: Convert CPS (privileged) 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-37-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:03 +01:00
Richard Henderson 519b84711e target/arm: Convert Clear-Exclusive, Barriers 
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-36-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:03 +01:00
Richard Henderson 885782a78c target/arm: Convert RFE and SRS 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-35-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:03 +01:00
Richard Henderson 542f5188a1 target/arm: Convert SVC 
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-34-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:03 +01:00
Richard Henderson 360144f3b9 target/arm: Convert B, BL, BLX (immediate) 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-33-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:03 +01:00
Richard Henderson b0e382b8cf target/arm: Diagnose base == pc for LDM/STM 
We have been using store_reg and not store_reg_for_load when writing
back a loaded value into the base register.  At first glance this is
incorrect when base == pc, however that case is UNPREDICTABLE.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-32-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:03 +01:00
Richard Henderson 4b222545db target/arm: Diagnose too few registers in list for LDM/STM 
This has been a TODO item for quite a while.  The minimum bit
count for A32 and T16 is 1, and for T32 is 2.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-31-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:03 +01:00
Richard Henderson 3949f4675d target/arm: Diagnose writeback register in list for LDM for v7 
Prior to v7, for the A32 encoding, this operation wrote an UNKNOWN
value back to the base register.  Starting in v7 this is UNPREDICTABLE.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-30-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:03 +01:00
Richard Henderson c5c426d4c6 target/arm: Convert LDM, STM 
This includes a minor bug fix to LDM (user), which requires
bit 21 to be 0, which means no writeback.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-29-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:03 +01:00
Richard Henderson 8f4451274b target/arm: Convert MOVW, MOVT 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-28-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:03 +01:00
Richard Henderson 2c7c4e0904 target/arm: Convert Signed multiply, signed and unsigned divide 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-27-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:03 +01:00
Richard Henderson 46497f6af7 target/arm: Convert packing, unpacking, saturation, and reversal 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190904193059.26202-26-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2019-09-05 13:23:03 +01:00