diff options
Diffstat (limited to 'hw/arm/virt-acpi-build.c')
| -rw-r--r-- | hw/arm/virt-acpi-build.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index 2cf2cc5f09..079150103c 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -137,6 +137,31 @@ static void acpi_dsdt_add_virtio(Aml *scope, } } +/* FADT */ +static void +build_fadt(GArray *table_data, GArray *linker, unsigned dsdt) +{ + AcpiFadtDescriptorRev5_1 *fadt = acpi_data_push(table_data, sizeof(*fadt)); + + /* Hardware Reduced = 1 and use PSCI 0.2+ and with HVC */ + fadt->flags = cpu_to_le32(1 << ACPI_FADT_F_HW_REDUCED_ACPI); + fadt->arm_boot_flags = cpu_to_le16((1 << ACPI_FADT_ARM_USE_PSCI_G_0_2) | + (1 << ACPI_FADT_ARM_PSCI_USE_HVC)); + + /* ACPI v5.1 (fadt->revision.fadt->minor_revision) */ + fadt->minor_revision = 0x1; + + fadt->dsdt = cpu_to_le32(dsdt); + /* DSDT address to be filled by Guest linker */ + bios_linker_loader_add_pointer(linker, ACPI_BUILD_TABLE_FILE, + ACPI_BUILD_TABLE_FILE, + table_data, &fadt->dsdt, + sizeof fadt->dsdt); + + build_header(linker, table_data, + (void *)fadt, "FACP", sizeof(*fadt), 5); +} + /* DSDT */ static void build_dsdt(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info) @@ -183,6 +208,7 @@ static void virt_acpi_build(VirtGuestInfo *guest_info, AcpiBuildTables *tables) { GArray *table_offsets; + unsigned dsdt; GArray *tables_blob = tables->table_data; table_offsets = g_array_new(false, true /* clear */, @@ -202,8 +228,13 @@ void virt_acpi_build(VirtGuestInfo *guest_info, AcpiBuildTables *tables) */ /* DSDT is pointed to by FADT */ + dsdt = tables_blob->len; build_dsdt(tables_blob, tables->linker, guest_info); + /* FADT MADT GTDT pointed to by RSDT */ + acpi_add_table(table_offsets, tables_blob); + build_fadt(tables_blob, tables->linker, dsdt); + /* Cleanup memory that's no longer used. */ g_array_free(table_offsets, true); } |