Re: [Xen-devel] [PATCH] xen/hvc-console: Make it work with HVM guests.

[Julien Grall <julien.grall@xxxxxxxxxx>]

On 09/27/2013 10:25 PM, Konrad Rzeszutek Wilk wrote:

> @@ -641,7 +641,20 @@ struct console xenboot_console = {
>
>   void xen_raw_console_write(const char *str)
>   {
> -       dom0_write_console(0, str, strlen(str));
> +       ssize_t len = strlen(str);
> +       int rc = 0;
> +
> +       if (xen_domain()) {
> +               dom0_write_console(0, str, len);
> +               if (rc == -ENOSYS && xen_hvm_domain())
> +                       goto outb_print;
> +
> +       } else if (xen_cpuid_base()) {
> +               int i;
> +outb_print:
> +               for (i = 0; i < len; i++)
> +                       outb(str[i], 0xe9);
> +       }
>   }
xen_cpuid_base and outb(0xe9) is x86 specific and won't compile on ARM.
You need to add ifdef around.

--
Julien Grall

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