Re: [PATCH v6 2/7] plugins: save value during memory accesses

["Alex Bennée" <alex.bennee@linaro.org>]

Pierrick Bouvier <pierrick.bouvier@linaro.org> writes:

> Different code paths handle memory accesses:
> - tcg generated code
> - load/store helpers
> - atomic helpers
>
> This value is saved in cpu->neg.plugin_mem_value_{high,low}. Values are
> written only for accessed word size (upper bits are not set).
>
> Atomic operations are doing read/write at the same time, so we generate
> two memory callbacks instead of one, to allow plugins to access distinct
> values.
>
> For now, we can have access only up to 128 bits, thus split this in two
> 64 bits words. When QEMU will support wider operations, we'll be able to
> reconsider this.
>
> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
> Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>

-- 
Alex Bennée
Virtualisation Tech Lead @ Linaro