Hi Parth,
On 04/02/2015 14:02, parth.di...@linaro.org wrote:
From: Parth Dixit <parth.di...@linaro.org>
Enable PSCI and hvc flags in FADT table so that dom0 uses PSCI to
boot vcpu's
VCPUs
Signed-off-by: Parth Dixit <parth.di...@linaro.org>
---
xen/arch/arm/arm64/acpi/arm-core.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/xen/arch/arm/arm64/acpi/arm-core.c
b/xen/arch/arm/arm64/acpi/arm-core.c
index 6707e4c..9a26202 100644
--- a/xen/arch/arm/arm64/acpi/arm-core.c
+++ b/xen/arch/arm/arm64/acpi/arm-core.c
@@ -28,6 +28,7 @@
#include <xen/errno.h>
#include <xen/stdbool.h>
#include <xen/cpumask.h>
+#include <acpi/actables.h>
#include <asm/cputype.h>
#include <asm/acpi.h>
@@ -242,6 +243,19 @@ static int __init acpi_parse_fadt(struct acpi_table_header
*table)
return 0;
}
+static void set_psci_fadt(void)
+{
+ struct acpi_table_fadt *fadt=NULL;
+ struct acpi_table_header *table=NULL;
+ u8 checksum;
+
+ acpi_get_table(ACPI_SIG_FADT, 0, &table);
+ fadt = (struct acpi_table_fadt *)table;
+ fadt->arm_boot_flags |= ( ACPI_FADT_PSCI_COMPLIANT |
ACPI_FADT_PSCI_USE_HVC );
+ checksum = acpi_tb_checksum(ACPI_CAST_PTR(u8, fadt), fadt->header.length);
+ fadt->header.checksum = (u8)( fadt->header.checksum-checksum );
+}
+
int acpi_map_tables(struct domain *d)
{
int i,res;
@@ -263,6 +277,8 @@ int acpi_map_tables(struct domain *d)
return res;
}
+ set_psci_fadt();
+
With this change, the name of the function (acpi_map_tables) doesn't
seem correct.
for( i = 0; i < acpi_gbl_root_table_list.count; i++ )
{
addr = acpi_gbl_root_table_list.tables[i].address;
Regards,
--
Julien Grall
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