Re: [Minios-devel] [UNIKRAFT PATCHv5 4/6] plat/kvm: Implement intctrl APIs for Arm64

[Sharan Santhanam <sharan.santhanam@xxxxxxxxx>]

Hello Jia He,

This patch seems fine but there are compiler error. Please find them inline.

Thanks & Regards
Sharan

On 6/28/19 9:09 AM, Jia He wrote:
> Before GICv2 become ready, we had marked the intctrl APIs as TODO.
> Now, we have enabled the GICv2, we can implement intctrl APIs with
> related GIC APIs.
>
> Signed-off-by: Wei Chen <wei.chen@xxxxxxx>
> Signed-off-by: Jia He <justin.he@xxxxxxx>
> ---
>   plat/kvm/arm/intctrl.c | 20 ++++++++++++++++----
>   plat/kvm/arm/setup.c   |  4 ++++
>   2 files changed, 20 insertions(+), 4 deletions(-)
>
> diff --git a/plat/kvm/arm/intctrl.c b/plat/kvm/arm/intctrl.c
> index ac604a7..401b2a3 100644
> --- a/plat/kvm/arm/intctrl.c
> +++ b/plat/kvm/arm/intctrl.c
> @@ -31,24 +31,36 @@
>    *
>    * THIS HEADER MAY NOT BE EXTRACTED OR MODIFIED IN ANY WAY.
>    */
> +#include <uk/assert.h>
> +#include <kvm/sections.h>
fatal error: kvm/sections.h: No such file or directory

>   #include <kvm/intctrl.h>
> +#include <arm/cpu.h>
> +#include <arm/irq.h>
> +#include <gic/gic-v2.h>
> +#include <kvm/config.h>
>   
>   void intctrl_init(void)
>   {
> -       // TO DO
> +       int ret;
> +
> +       /* Initialize GIC from DTB */
> +       ret = _dtb_init_gic(_libkvmplat_cfg.dtb);
> +       if (ret)
> +               UK_CRASH("Initialize GIC from DTB failed, ret=%d\n", ret);
> +
>   }
>   
>   void intctrl_ack_irq(unsigned int irq)
>   {
> -       // TO DO
> +       //NOP
>   }
>   
>   void intctrl_mask_irq(unsigned int irq)
>   {
> -       // TO DO
> +       gic_disable_irq(irq);
>   }
>   
>   void intctrl_clear_irq(unsigned int irq)
>   {
> -       // TO DO
> +       gic_enable_irq(irq);
>   }
> diff --git a/plat/kvm/arm/setup.c b/plat/kvm/arm/setup.c
> index 301b5a1..b8148f9 100644
> --- a/plat/kvm/arm/setup.c
> +++ b/plat/kvm/arm/setup.c
> @@ -24,6 +24,7 @@
>   #include <kvm/config.h>
>   #include <uk/assert.h>
>   #include <kvm-arm/mm.h>
> +#include <kvm/intctrl.h>
>   #include <arm/cpu.h>
>   #include <uk/arch/limits.h>
>   
> @@ -214,6 +215,9 @@ void _libkvmplat_start(void *dtb_pointer)
>         /* Initialize memory from DTB */
>         _init_dtb_mem();
>   
> +	/* Initialize interrupt controller */
> +       intctrl_init();
> +
>         uk_pr_info("pagetable start: %p\n",
>                    (void *) _libkvmplat_cfg.pagetable.start);
>         uk_pr_info("     heap start: %p\n",
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