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Re: [PATCH 12/15] x86/hyperlaunch: specify dom0 mode with device tree
- To: "Daniel P. Smith" <dpsmith@xxxxxxxxxxxxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 2 Dec 2024 13:06:58 +0100
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- Cc: jason.andryuk@xxxxxxx, christopher.w.clark@xxxxxxxxx, stefano.stabellini@xxxxxxx, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Mon, 02 Dec 2024 12:07:08 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 23.11.2024 19:20, Daniel P. Smith wrote:
> --- a/xen/arch/x86/domain_builder/fdt.c
> +++ b/xen/arch/x86/domain_builder/fdt.c
> @@ -141,6 +141,25 @@ static int __init process_domain_node(
> bd->domid = (domid_t)val;
> printk(" domid: %d\n", bd->domid);
> }
> + if ( match_fdt_property(fdt, prop, "mode" ) )
> + {
> + if ( fdt_prop_as_u32(prop, &bd->mode) != 0 )
> + {
> + printk(" failed processing mode for domain %s\n",
> + name == NULL ? "unknown" : name);
> + return -EINVAL;
> + }
> +
> + printk(" mode: ");
> + if ( !(bd->mode & BUILD_MODE_PARAVIRT) ) {
> + if ( bd->mode & BUILD_MODE_ENABLE_DM )
> + printk("HVM\n");
> + else
> + printk("PVH\n");
> + }
> + else
> + printk("PV\n");
Oh, and: What about BUILD_MODE_ENABLE_DM also being set here?
Jan
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