Re: [Xen-devel] [PATCH 6/7] xen/arm: Adapt smccc.h to be able to use it in assembly code

[Volodymyr Babchuk <vlad.babchuk@xxxxxxxxx>]

Hi,

On 5 February 2018 at 15:20, Julien Grall <julien.grall@xxxxxxx> wrote:
> Signed-off-by: Julien Grall <julien.grall@xxxxxxx>
Reviewed-by: Volodymyr Babchuk <volodymyr_babchuk@xxxxxxxx>

> ---
>  xen/include/asm-arm/smccc.h | 16 ++++++++++------
>  1 file changed, 10 insertions(+), 6 deletions(-)
>
> diff --git a/xen/include/asm-arm/smccc.h b/xen/include/asm-arm/smccc.h
> index b790fac17c..d24ccb51d8 100644
> --- a/xen/include/asm-arm/smccc.h
> +++ b/xen/include/asm-arm/smccc.h
> @@ -25,18 +25,20 @@
>   * http://infocenter.arm.com/help/topic/com.arm.doc.den0028a/index.html
>   */
>
> -#define ARM_SMCCC_STD_CALL              0U
> -#define ARM_SMCCC_FAST_CALL             1U
> +#define ARM_SMCCC_STD_CALL              _AC(0,U)
> +#define ARM_SMCCC_FAST_CALL             _AC(1,U)
>  #define ARM_SMCCC_TYPE_SHIFT            31
>
> -#define ARM_SMCCC_CONV_32               0U
> -#define ARM_SMCCC_CONV_64               1U
> +#define ARM_SMCCC_CONV_32               _AC(0,U)
> +#define ARM_SMCCC_CONV_64               _AC(1,U)
>  #define ARM_SMCCC_CONV_SHIFT            30
>
> -#define ARM_SMCCC_OWNER_MASK            0x3FU
> +#define ARM_SMCCC_OWNER_MASK            _AC(0x3F,U)
>  #define ARM_SMCCC_OWNER_SHIFT           24
>
> -#define ARM_SMCCC_FUNC_MASK             0xFFFFU
> +#define ARM_SMCCC_FUNC_MASK             _AC(0xFFFF,U)
> +
> +#ifndef __ASSEMBLY__
>
>  /* Check if this is fast call. */
>  static inline bool smccc_is_fast_call(register_t funcid)
> @@ -62,6 +64,8 @@ static inline uint32_t smccc_get_owner(register_t funcid)
>      return (funcid >> ARM_SMCCC_OWNER_SHIFT) & ARM_SMCCC_OWNER_MASK;
>  }
>
> +#endif
> +
>  /*
>   * Construct function identifier from call type (fast or standard),
>   * calling convention (32 or 64 bit), service owner and function number.
> --
> 2.11.0
>
>
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-- 
WBR Volodymyr Babchuk aka lorc [+380976646013]
mailto: vlad.babchuk@xxxxxxxxx

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