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hmp: Add 'one-insn-per-tb' command equivalent to 'singlestep'

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The 'singlestep' HMP command is confusing, because it doesn't
actually have anything to do with single-stepping the CPU.  What it
does do is force TCG emulation to put one guest instruction in each
TB, which can be useful in some situations.

Create a new HMP command  'one-insn-per-tb', so we can document that
'singlestep' is just a deprecated synonym for it, and eventually
perhaps drop it.

We aren't obliged to do deprecate-and-drop for HMP commands,
but it's easy enough to do so, so we do.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20230417164041.684562-9-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2023-04-17 17:40:39 +01:00
parent e726acd5b8
commit e9ccfdd91d
5 changed files with 33 additions and 6 deletions
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9
docs/about/deprecated.rst
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@ -199,6 +199,15 @@ accepted incorrect commands will return an error. Users should make sure that
all arguments passed to ``device_add`` are consistent with the documented
property types.
Human Monitor Protocol (HMP) commands
-------------------------------------
``singlestep`` (since 8.1)
''''''''''''''''''''''''''
The ``singlestep`` command has been replaced by the ``one-insn-per-tb``
command, which has the same behaviour but a less misleading name.
Host Architectures
------------------