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Re: [Xen-devel] [PATCH v3 17/62] arm/acpi: Print GIC information when MADT is parsed



On Tue, 17 Nov 2015, shannon.zhao@xxxxxxxxxx wrote:
> From: Naresh Bhat <naresh.bhat@xxxxxxxxxx>
> 
> When MADT is parsed, print GIC information to make the boot
> log look pretty.
> 
> Signed-off-by: Hanjun Guo <hanjun.guo@xxxxxxxxxx>
> Signed-off-by: Tomasz Nowicki <tomasz.nowicki@xxxxxxxxxx>
> Signed-off-by: Naresh Bhat <naresh.bhat@xxxxxxxxxx>
> Signed-off-by: Shannon Zhao <shannon.zhao@xxxxxxxxxx>
> ---
>  xen/drivers/acpi/tables.c | 24 ++++++++++++++++++++++++
>  1 file changed, 24 insertions(+)
> 
> diff --git a/xen/drivers/acpi/tables.c b/xen/drivers/acpi/tables.c
> index 60c4ab1..6573175 100644
> --- a/xen/drivers/acpi/tables.c
> +++ b/xen/drivers/acpi/tables.c
> @@ -189,6 +189,30 @@ void __init acpi_table_print_madt_entry(struct 
> acpi_subtable_header *header)
>               }
>               break;
>  
> +     case ACPI_MADT_TYPE_GENERIC_INTERRUPT:
> +             {
> +                     struct acpi_madt_generic_interrupt *p =
> +                             (struct acpi_madt_generic_interrupt *)header;
> +                     printk(KERN_INFO PREFIX
> +                            "GICC (acpi_id[0x%04x] address[%llx] 
> MPIDR[0x%llx] %s)\n",
> +                            p->uid, (long long unsigned int)p->base_address,
> +                            (long long unsigned int)p->arm_mpidr,
> +                            (p->flags & ACPI_MADT_ENABLED) ? "enabled" : 
> "disabled");

PRIx64?


> +             }
> +             break;
> +
> +     case ACPI_MADT_TYPE_GENERIC_DISTRIBUTOR:
> +             {
> +                     struct acpi_madt_generic_distributor *p =
> +                             (struct acpi_madt_generic_distributor *)header;
> +                     printk(KERN_INFO PREFIX
> +                            "GIC Distributor (gic_id[0x%04x] address[%llx] 
> gsi_base[%d])\n",
> +                            p->gic_id, (long long unsigned 
> int)p->base_address,
> +                            p->global_irq_base);

ditto


> +             }
> +             break;
> +
>       default:
>               printk(KERN_WARNING PREFIX
>                      "Found unsupported MADT entry (type = %#x)\n",
> -- 
> 2.1.0
> 

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