[PATCH 2/3] hw/acpi: Add standalone function to build MADT

[Oliver Steffen <osteffen@redhat.com>]

Add a fuction called `acpi_build_madt_standalone()` that builds a MADT
without the rest of the ACPI table structure.

Signed-off-by: Oliver Steffen <osteffen@redhat.com>
---
 hw/i386/acpi-build.c | 8 ++++++++
 hw/i386/acpi-build.h | 2 ++
 2 files changed, 10 insertions(+)

diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 9446a9f862..e472876567 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -2249,3 +2249,11 @@ void acpi_setup(void)
      */
     acpi_build_tables_cleanup(&tables, false);
 }
+
+GArray *acpi_build_madt_standalone(MachineState *machine) {
+  X86MachineState *x86ms = X86_MACHINE(machine);
+  GArray *table = g_array_new(false, true, 1);
+  acpi_build_madt(table, NULL, x86ms, x86ms->oem_id,
+                  x86ms->oem_table_id);
+  return table;
+}
diff --git a/hw/i386/acpi-build.h b/hw/i386/acpi-build.h
index 8ba3c33e48..00e19bbe5e 100644
--- a/hw/i386/acpi-build.h
+++ b/hw/i386/acpi-build.h
@@ -8,4 +8,6 @@ extern const struct AcpiGenericAddress x86_nvdimm_acpi_dsmio;
 void acpi_setup(void);
 Object *acpi_get_i386_pci_host(void);
 
+GArray *acpi_build_madt_standalone(MachineState *machine);
+
 #endif
-- 
2.52.0