Pierrick Bouvier <pierrick.bouv...@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.hender...@linaro.org>
> Signed-off-by: Pierrick Bouvier <pierrick.bouv...@linaro.org>
Reviewed-by: Alex Bennée <alex.ben...@linaro.org>
--
Alex Bennée
Virtualisation Tech Lead @ Linaro
