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

Message ID 1447753261-7552-18-git-send-email-shannon.zhao@linaro.org
State New
Headers show

Commit Message

Shannon Zhao Nov. 17, 2015, 9:40 a.m. UTC 
From: Naresh Bhat <naresh.bhat@linaro.org>


When MADT is parsed, print GIC information to make the boot
log look pretty.

Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>

Signed-off-by: Tomasz Nowicki <tomasz.nowicki@linaro.org>

Signed-off-by: Naresh Bhat <naresh.bhat@linaro.org>

Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>

---
 xen/drivers/acpi/tables.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

-- 
2.1.0


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Patch

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