Re: [Minios-devel] [UNIKRAFT PATCHv4 42/43] plat/kvm: Implement time_block_until for arm64

[Julien Grall <julien.grall@xxxxxxxxxx>]

Hi Wei,

On 06/07/18 10:03, Wei Chen wrote:
> As we haven't implement full functions for timer for arm64.
> But this function is needed by Unikraft. So we impplement
s/impplement/implement/

Cheers,

> a temporary function to make compiler happy. >
> Signed-off-by: Wei Chen <Wei.Chen@xxxxxxx>
> ---
>   plat/kvm/arm/time.c | 11 +++++++++++
>   1 file changed, 11 insertions(+)
>
> diff --git a/plat/kvm/arm/time.c b/plat/kvm/arm/time.c
> index ab4968f..5c0757c 100644
> --- a/plat/kvm/arm/time.c
> +++ b/plat/kvm/arm/time.c
> @@ -34,6 +34,7 @@
>   #include <stdlib.h>
>   #include <uk/assert.h>
>   #include <uk/plat/time.h>
> +#include <uk/arch/atomic.h>
>   
>   static uint64_t cntvct_at_init;
>   static uint32_t counter_freq;
> @@ -125,3 +126,13 @@ void ukplat_time_fini(void)
>   {
>         /* TODO */
>   }
> +
> +long sched_have_pending_events;
> +
> +void time_block_until(__snsec until)
> +{
> +       while ((__snsec) ukplat_monotonic_clock() < until) {
> +               if (ukarch_test_and_clr_bit(0, &sched_have_pending_events))
> +                       break;
> +       }
> +}

--
Julien Grall

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