From 7fe4c35ceae7e366649e88e1d17ad892b4b4c04f Mon Sep 17 00:00:00 2001 From: Miguel Luis Date: Tue, 11 Oct 2022 18:17:29 +0000 Subject: [PATCH] acpi: arm/virt: madt: bump to revision 4 accordingly to ACPI 6.0 Errata A MADT has been updated with the GIC Structures from ACPI 6.0 Errata A and so MADT revision and GICC Structure must be updated also. Fixes: 37f33084ed2e ("acpi: arm/virt: madt: use build_append_int_noprefix() API to compose MADT table") Signed-off-by: Miguel Luis Reviewed-by: Ani Sinha Message-Id: <20221011181730.10885-4-miguel.luis@oracle.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/arm/virt-acpi-build.c | 16 +++++++--------- 1 file changed, 7 insertions(+), 9 deletions(-) diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index e5377744f3..da9e41e72b 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -685,7 +685,7 @@ build_dbg2(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) }; /* - * ACPI spec, Revision 5.1 Errata A + * ACPI spec, Revision 6.0 Errata A * 5.2.12 Multiple APIC Description Table (MADT) */ static void build_append_gicr(GArray *table_data, uint64_t base, uint32_t size) @@ -704,7 +704,7 @@ build_madt(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) int i; VirtMachineClass *vmc = VIRT_MACHINE_GET_CLASS(vms); const MemMapEntry *memmap = vms->memmap; - AcpiTable table = { .sig = "APIC", .rev = 3, .oem_id = vms->oem_id, + AcpiTable table = { .sig = "APIC", .rev = 4, .oem_id = vms->oem_id, .oem_table_id = vms->oem_table_id }; acpi_table_begin(&table, table_data); @@ -739,7 +739,7 @@ build_madt(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) /* 5.2.12.14 GIC Structure */ build_append_int_noprefix(table_data, 0xB, 1); /* Type */ - build_append_int_noprefix(table_data, 76, 1); /* Length */ + build_append_int_noprefix(table_data, 80, 1); /* Length */ build_append_int_noprefix(table_data, 0, 2); /* Reserved */ build_append_int_noprefix(table_data, i, 4); /* GIC ID */ build_append_int_noprefix(table_data, i, 4); /* ACPI Processor UID */ @@ -759,6 +759,10 @@ build_madt(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) build_append_int_noprefix(table_data, 0, 8); /* GICR Base Address*/ /* MPIDR */ build_append_int_noprefix(table_data, armcpu->mp_affinity, 8); + /* Processor Power Efficiency Class */ + build_append_int_noprefix(table_data, 0, 1); + /* Reserved */ + build_append_int_noprefix(table_data, 0, 3); } if (vms->gic_version != VIRT_GIC_VERSION_2) { @@ -770,12 +774,6 @@ build_madt(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms) } if (its_class_name() && !vmc->no_its) { - /* - * FIXME: Structure is from Revision 6.0 where 'GIC Structure' - * has additional fields on top of implemented 5.1 Errata A, - * to make it consistent with v6.0 we need to bump everything - * to v6.0 - */ /* * ACPI spec, Revision 6.0 Errata A * (original 6.0 definition has invalid Length)