Re: [Xen-devel] [RFC 06/16] xen/arm64: Add an helper to invalidate all instruction caches

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

On Thu, 5 May 2016, Julien Grall wrote:
> Signed-off-by: Julien Grall <julien.grall@xxxxxxx>

Acked-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>


>  xen/include/asm-arm/arm64/page.h | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/xen/include/asm-arm/arm64/page.h 
> b/xen/include/asm-arm/arm64/page.h
> index 29a32cf..fbdc8fb 100644
> --- a/xen/include/asm-arm/arm64/page.h
> +++ b/xen/include/asm-arm/arm64/page.h
> @@ -24,6 +24,12 @@ static inline void write_pte(lpae_t *p, lpae_t pte)
>   * inline asm operand) */
>  #define __clean_and_invalidate_dcache_one(R) "dc  civac, %" #R ";"
>  
> +/* Invalidate all instruction caches in Inner Shareable domain to PoU */
> +static inline void invalidate_icache(void)
> +{
> +    asm volatile ("ic ialluis");
> +}
> +
>  /*
>   * Flush all hypervisor mappings from the TLB of the local processor.
>   *
> -- 
> 1.9.1
> 

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