From 5dbc9a27856b7b345c6cbd47eba0d730d9852ce1 Mon Sep 17 00:00:00 2001 From: Miguel Luis Date: Tue, 20 Sep 2022 16:21:36 +0000 Subject: acpi: arm/virt: build_gtdt: fix invalid 64-bit physical addresses Per the ACPI 6.5 specification, on the GTDT Table Structure, the Counter Control Block Address and Counter Read Block Address fields of the GTDT table should be set to 0xFFFFFFFFFFFFFFFF if not provided, rather than 0x0. Fixes: 41041e57085 ("acpi: arm/virt: build_gtdt: use acpi_table_begin()/acpi_table_end() instead of build_header()") Signed-off-by: Miguel Luis Message-Id: <20220920162137.75239-3-miguel.luis@oracle.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Reviewed-by: Ani Sinha --- hw/arm/virt-acpi-build.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'hw/arm/virt-acpi-build.c') diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index 9b3aee0..13c6e3e 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -592,8 +592,7 @@ build_gtdt(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) acpi_table_begin(&table, table_data); /* CntControlBase Physical Address */ - /* FIXME: invalid value, should be 0xFFFFFFFFFFFFFFFF if not impl. ? */ - build_append_int_noprefix(table_data, 0, 8); + build_append_int_noprefix(table_data, 0xFFFFFFFFFFFFFFFF, 8); build_append_int_noprefix(table_data, 0, 4); /* Reserved */ /* * FIXME: clarify comment: @@ -618,7 +617,7 @@ build_gtdt(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) /* Non-Secure EL2 timer Flags */ build_append_int_noprefix(table_data, irqflags, 4); /* CntReadBase Physical address */ - build_append_int_noprefix(table_data, 0, 8); + build_append_int_noprefix(table_data, 0xFFFFFFFFFFFFFFFF, 8); /* Platform Timer Count */ build_append_int_noprefix(table_data, 0, 4); /* Platform Timer Offset */ -- cgit v1.1