Re: [Xen-devel] [PATCH] xen: arm: correct definition of DCISW (data cache invalidate by set/way)

[Julien Grall <julien.grall@xxxxxxxxxx>]

On 12/06/2013 02:29 PM, Ian Campbell wrote:
> We don't actually use this but I was using it locally for debugging and it
> tripped me up.
>
> Also add DCCIMVAC "data cache clean and invalidate by MVA" which is the only
> cache op missing from cpregs.h.
>
> Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
Acked-by: Julien Grall <julien.grall@xxxxxxxxxx>
> ---
>   xen/include/asm-arm/cpregs.h |    3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/xen/include/asm-arm/cpregs.h b/xen/include/asm-arm/cpregs.h
> index 2960492..29cd9d7 100644
> --- a/xen/include/asm-arm/cpregs.h
> +++ b/xen/include/asm-arm/cpregs.h
> @@ -154,7 +154,7 @@
>   #define BPIALL          p15,0,c7,c5,6   /* Invalidate entire branch predictor 
> array */
>   #define BPIMVA          p15,0,c7,c5,7   /* Invalidate MVA from branch 
> predictor array */
>   #define DCIMVAC         p15,0,c7,c6,1   /* Invalidate data cache line by MVA 
> to PoC */
> -#define DCISW           p15,0,c7,c2,1   /* Invalidate data cache line by 
> set/way */
> +#define DCISW           p15,0,c7,c6,2   /* Invalidate data cache line by 
> set/way */
>   #define ATS1CPR         p15,0,c7,c8,0   /* Address Translation Stage 1. 
> Non-Secure Kernel Read */
>   #define ATS1CPW         p15,0,c7,c8,1   /* Address Translation Stage 1. 
> Non-Secure Kernel Write */
>   #define ATS1CUR         p15,0,c7,c8,2   /* Address Translation Stage 1. 
> Non-Secure User Read */
> @@ -166,6 +166,7 @@
>   #define DCCMVAC         p15,0,c7,c10,1  /* Clean data or unified cache line 
> by MVA to PoC */
>   #define DCCSW           p15,0,c7,c10,2  /* Clean data cache line by set/way */
>   #define DCCMVAU         p15,0,c7,c11,1  /* Clean data cache line by MVA to 
> PoU */
> +#define DCCIMVAC        p15,0,c7,c14,1  /* Data cache clean and invalidate by 
> MVA */
>   #define DCCISW          p15,0,c7,c14,2  /* Clean and invalidate data cache 
> line by set/way */
>   #define ATS1HR          p15,4,c7,c8,0   /* Address Translation Stage 1 Hyp. 
> Read */
>   #define ATS1HW          p15,4,c7,c8,1   /* Address Translation Stage 1 Hyp. 
> Write */
--
Julien Grall

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