Re: [Xen-devel] [PATCH v4 04/11] arm: processor.h: add definition for immediate value mask

[Julien Grall <julien.grall@xxxxxxx>]

Hi Volodymyr,

Title: It is a too generic, you may want to rename to: "Define HVC/SMC 
immediate mask"
On 21/08/17 21:27, Volodymyr Babchuk wrote:
> This patch adds definition HSR_XXC_IMM_MASK. It can be used to extract
s/adds definition/define/

> immediate value for trapped HVC32, HVC64, SMC64, SVC32, SVC64 instructions,
> as described at ARM ARM (ARM DDI 0487B.a pages D7-2270, D7-2272).
s/at/in the/

> Signed-off-by: Volodymyr Babchuk <volodymyr_babchuk@xxxxxxxx>
> ---
>  xen/include/asm-arm/processor.h | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/xen/include/asm-arm/processor.h b/xen/include/asm-arm/processor.h
> index 51ce802..89752a7 100644
> --- a/xen/include/asm-arm/processor.h
> +++ b/xen/include/asm-arm/processor.h
> @@ -580,6 +580,9 @@ union hsr {
>                                HSR_SYSREG_CRN_MASK|HSR_SYSREG_CRM_MASK|\
>                                HSR_SYSREG_OP2_MASK)
>
> +/* HSR.EC == HSR_{HVC32, HVC64, SMC64, SVC32, SVC64} */
> +#define HSR_XXC_IMM_MASK     (0xffff)
> +
>  /* Physical Address Register */
>  #define PAR_F           (_AC(1,U)<<0)
Cheers,

--
Julien Grall

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