>>> On 04.01.18 at 14:05, <[email protected]> wrote:
> --- a/xen/arch/x86/guest/xen.c
> +++ b/xen/arch/x86/guest/xen.c
> @@ -72,6 +72,30 @@ void __init probe_hypervisor(void)
> xen_guest = true;
> }
>
> +static void map_shared_info(struct e820map *e820)
> +{
> + paddr_t frame = 0xff000000; /* TODO: Hardcoded beside magic frames. */
What are the plans here?
> + struct xen_add_to_physmap xatp = {
> + .domid = DOMID_SELF,
> + .idx = 0,
> + .space = XENMAPSPACE_shared_info,
> + .gpfn = frame >> PAGE_SHIFT,
> + };
> +
> + if ( !e820_add_range(e820, frame, frame + PAGE_SIZE, E820_RESERVED) )
> + panic("Failed to reserve shared_info range");
> +
> + if ( xen_hypercall_memory_op(XENMEM_add_to_physmap, &xatp) )
> + panic("Failed to map shared_info page");
Also report the error code?
Jan
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