On 12/11/21 20:11, Peter Maydell wrote:
> Currently the ITS code that reads and writes DTEs uses open-coded
> shift-and-mask to assemble the various fields into the 64-bit DTE
> word.  The names of the macros used for mask and shift values are
> also somewhat inconsistent, and don't follow our usual convention
> that a MASK macro should specify the bits in their place in the word.
> Replace all these with use of the FIELD macro.
> 
> Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
> ---
>  hw/intc/gicv3_internal.h |  7 ++++---
>  hw/intc/arm_gicv3_its.c  | 20 +++++++++-----------
>  2 files changed, 13 insertions(+), 14 deletions(-)
> 
> diff --git a/hw/intc/gicv3_internal.h b/hw/intc/gicv3_internal.h
> index 5a63e9ed5ce..6a3b145f377 100644
> --- a/hw/intc/gicv3_internal.h
> +++ b/hw/intc/gicv3_internal.h
> @@ -393,9 +393,10 @@ FIELD(ITE_H, VPEID, 16, 16)
>   * Valid = 1 bit,ITTAddr = 44 bits,Size = 5 bits
>   */
>  #define GITS_DTE_SIZE                 (0x8ULL)
> -#define GITS_DTE_ITTADDR_SHIFT           6
> -#define GITS_DTE_ITTADDR_MASK         
> MAKE_64BIT_MASK(GITS_DTE_ITTADDR_SHIFT, \
> -                                                      ITTADDR_LENGTH)

Side note, both ITTADDR_LENGTH & ITTADDR_MASK definitions are now unused.

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