diff --git a/lib/acpi/acpi_writer.c b/lib/acpi/acpi_writer.c
index 59f951c..9b0aa23 100644
--- a/lib/acpi/acpi_writer.c
+++ b/lib/acpi/acpi_writer.c
@@ -102,6 +102,14 @@
 	return 0;
 }
 ACPI_WRITER(8dev, NULL, write_dev_tables, 0);
+
+ulong acpi_get_rsdp_addr(void)
+{
+	if (!gd->acpi_ctx)
+		return 0;
+
+	return map_to_sysmem(gd->acpi_ctx->rsdp);
+}
 #endif /* QEMU */
 
 void acpi_setup_ctx(struct acpi_ctx *ctx, ulong start)