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14 Commits
Author SHA1 Message Date
Michael Tokarev 96420a30e0 tests/: spelling fixes 
with some rewording in
 tests/qemu-iotests/298
 tests/qtest/fuzz/generic_fuzz.c
 tests/unit/test-throttle.c
as suggested by Eric.

Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Eric Blake <eblake@redhat.com>
 2023-09-08 13:08:52 +03:00
Richard Henderson c6a5fc2ac7 decodetree: Add --output-null for meson testing 
Using "-o /dev/null" fails on Windows.  Rather that working
around this in meson, add a separate command-line option so
that we can use python's os.devnull.

Reported-by: Thomas Huth <thuth@redhat.com>
Fixes: 656666dc7d ("tests/decode: Convert tests to meson")
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20230531232510.66985-1-richard.henderson@linaro.org>
 2023-05-31 19:56:42 -07:00
Peter MaydellandRichard Henderson 276d77de50 tests/decode: Add tests for various named-field cases 
Add some tests for various cases of named-field use, both ones that
should work and ones that should be diagnosed as errors.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230523120447.728365-7-peter.maydell@linaro.org>
 2023-05-30 10:55:39 -07:00
Richard Henderson 656666dc7d tests/decode: Convert tests to meson 
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2023-05-30 10:55:39 -07:00
Richard Henderson af93ccacc7 decodetree: Extend argument set syntax to allow types 
Rather than force all structure members to be 'int',
allow the type of the member to be specified.

Reviewed-by: Luis Pires <luis.pires@eldorado.org.br>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2021-05-01 11:45:35 -07:00
Richard HendersonandPeter Maydell acfdd2398d decodetree: Improve identifier matching 
Only argument set members have to be C identifiers, everything
else gets prefixed during conversion to C.  Some places just
checked the leading character, and some places matched a leading
character plus a C identifier.

Convert everything to match full identifiers, including the
[&%@&] prefix, and drop the full C identifier requirement.

Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200903192334.1603773-1-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2020-09-14 14:23:19 +01:00
Richard Henderson fe079aa13d decodetree: Drop check for less than 2 patterns in a group 
While it makes little sense for the end product to have a group
containing only a single pattern, avoiding this case within an
incremental patch set is troublesome.

Because this is expected to be a transient condition, do not
bother "optimizing" this case, e.g. by folding away the group.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2020-06-09 09:19:48 -07:00
Richard Henderson 33c0f25bfd tests/decode: Test non-overlapping groups 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2020-06-08 11:09:48 -07:00
Richard Henderson b44b3449a0 decodetree: Allow group covering the entire insn space 
This is an edge case for sure, but the logic that disallowed
this case was faulty.  Further, a few fixes scattered about
can allow this to work.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2020-06-08 10:36:47 -07:00
Richard Henderson 94597b6146 decodetree: Allow !function with no input bits 
Call this form a "parameter", returning a value extracted
from the DisasContext.

Reviewed-by: Philippe Mathieu-Daude <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2019-08-19 08:03:41 -07:00
Richard Henderson 2decfc9558 decodetree: Properly diagnose fields overflowing an insn 
Previously this would result in an exception for shifting
the field mask by a negative number.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2019-03-12 09:46:58 -07:00
Bastian KoppelmannandRichard Henderson bf92118fa9 test/decode: Add tests for PatternGroups 
This adds one test that supposed to succeed to test deep nesting
of pattern groups which is rarely exercised by targets using decode
tree. The remaining tests exercise various fail conditions.

Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Message-Id: <20190227120217.20794-1-kbastian@mail.uni-paderborn.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2019-03-12 09:46:58 -07:00
Richard Henderson 0eff2df4a2 decodetree: Allow grouping of overlapping patterns 
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2019-03-12 09:46:58 -07:00
Richard Henderson 568ae7efae scripts: Add decodetree.py 
To be used to decode ARM SVE, but could be used for any fixed-width ISA.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2018-02-22 15:44:07 -08:00